• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    The invention provides a part (160), a watch with this piece (160) and a method of manufacturing the same piece (160). The part (160) according to the invention comprises a first element (164) and a second conductive element (166). The first element is anodized. The first element and the second conductive element are fixed to each other. An insulative member (62) is interposed between the first member and the second conductive member.
    公开号:CH704290B1
    申请号:CH01997/11
    申请日:2011-12-16
    公开日:2017-01-31
    发明作者:Araki Akiko；Murazumi Takuya；Niwa Takashi；Kishi Matsuo
    申请人:Seiko Instr Inc；
    IPC主号:
    专利说明:

    Background of the invention
    1. Field of the invention
    The present invention relates to a part, a watch using the workpiece and a method of manufacturing the workpiece.
    2. Description of the state of the art
    In general, since pure titanium (hereinafter referred to only as "titanium") or a titanium alloy is a metal that has characteristics such as low weight and high specific strength and is excellent in terms of corrosion resistance or the like, the use of titanium or a titanium alloy has increased over a wide range.
    For example, since in a room that is used in a mechanical watch, a high impact resistance against falls or the like, high resistance to stress, high elasticity, high vibration absorption and the like are necessary. , titanium or a titanium alloy is suitable for use. In addition, since titanium or a titanium alloy has sufficient corrosion resistance, aftertreatments such as antirust treatment are required. Alternatively, in the case where the piece is a metal other than titanium or a titanium alloy, for example such as iron, a rust prevention treatment is necessary.
    As a rust prevention treatment, for example, treatments such as plating are considered. Yet when plating is a thin layer, pitting occurs easily, and there is a concern that durability can be diminished. On the other hand, when the veneer is a thick layer, there is a concern that the dimensional error may increase in the watch part which has a strict tolerance. Therefore, by forming the part with titanium or a titanium alloy and performing its anodization, coloring is obtained, and the decorative character can be increased without the need for a rust prevention treatment. In this way, a technique which comes to color the room and increase its decorative character has been proposed (for example see JP-A-62-278 872 (patent reference 1)).
    However, in the case where the anodizing is applied to the room, since the room is immersed in chemicals and an electric current is applied, besides the room to be colored, the other room to to which it is attached must be an element capable of withstanding chemicals and the application of electric current, or an anodisable element. When an anodisable element is used as the part to be colored, a non-anodisable element is used as the other part to which it is attached, and anodization is carried out with these parts in the fixed state, non-anodizable materials dissolve in the chemicals, and as a result, the anodizing of the anodizable part that is to be colored can not be performed.
    Therefore, the element that is used is subject to limitation, and therefore there is the problem that the design possibilities are limited.
    In addition, it was considered that the colored piece can be attached to the other piece after the anodizing of the piece to be colored is performed. In this case, the work is complicated, and there is the problem that limitations of the manufacturing process occur. In addition, there are problems such as changes in the color of the part subjected to anodization, the appearance of negative effects such as scraping or dents or a deterioration of the attractiveness of the appearance.
    Summary of the invention
    According to one aspect of the present invention, there is provided a part, a watch and a manufacturing process of the part, which can avoid the limitations of any element used, to extend the possibilities of design, design and construction. 'be easily manufactured and improve the aesthetic appearance.
    [0009] A part according to the present invention comprises at least two elements fixed to each other, namely a first element and a second conductive element. In this piece, the first element is an anodized element. In addition, the part according to the invention comprises an insulating element which, so as to prevent a current from the first element to the second conductive element, is interposed between the first element and the second conductive element.
    In this way, by interposing the insulating element between the first element and the second conductive element, same as the anodization of the first element is performed in the state where the two are fixed to one another, it is possible to avoid a current towards the second conductive element. As a result, whether the second conductive element is an anodizable element or a non-anodizable element, the anodization can only be performed on the first element. Thus, the number of materials that can be selected as the second conductive element can be increased, and the variation of the part and the design possibilities can be improved.
    In addition, since the anodization can be performed after the first element and the second conductive element are attached to each other, the manufacture of the part can be performed easily. In addition, a change in the color of the anodized portion can be avoided, and scratching or dents can be avoided. Therefore, the aesthetic appearance can be improved.
    In addition, since the first element and the second conductive element are attached to each other before the anodizing is performed, a slot or a step or the like between the elements can be provided in a manner deliberate, the decorative character is improved and the design possibilities can be further increased.
    According to one embodiment of the present invention, the first element and the second conductive element may be attached to each other via a fastener, and the fastener may be anodized, the element insulation which can also be interposed between the fixing element and the second conductive element.
    In this configuration, the first element and the second conductive element can be easily attached to one another. In addition, when the fastener element is also an anodisable element, such as the first element, since anodization can be performed on the fastener element even in the state where the fastener element is exposed from the first element. , the aesthetic appearance is not damaged, and the color scheme can be changed.
    According to one embodiment of the present invention, the first element may be formed of titanium or titanium alloy.
    In this configuration, the strength, elasticity, shock absorption or the like of the part can be increased, and products with high reliability can be produced.
    According to one embodiment of the present invention, the second conductive element is formed of non-anodizable material.
    Similarly, in this configuration, the anodization can be performed only on the first element after the first element and the second conductive element have been fixed to one another.
    According to one embodiment of the present invention, at least one surface of the first element may have a color obtained by anodizing.
    In this configuration, a part having an excellent aesthetic appearance can be produced. In addition, since the coloring is done by anodizing, aging degradation or spontaneous peeling of the color can be avoided. In addition, since the anodic oxide film is a film in the nanometer range, the dimensional change of the part can be strongly suppressed.
    According to one embodiment of the present invention, a surface and another surface among the surfaces of the first element may have different colors.
    In this configuration, a part having several color variations can be produced, and products that meet the needs of users can be produced.
    A watch according to the present invention comprises the part according to one of claims 1 to 6.
    In this configuration, a watch likely to extend the possibilities of design, to be easily manufactured and to improve the aesthetic appearance can be produced.
    A method of manufacturing a part according to the present invention, by fixing a first element, which is anodisable and to which anodization can be applied, and a second conductive element to one another, comprises a step of forming an insulating element, in which the insulating element is formed, in advance, in a place intended to come into contact with at least the first element, on the surfaces of the second conductive element, a fixing step in which the first element is fixed to the second conductive element subjected beforehand to the step of forming an insulating element, and an anodizing step in which anodization is carried out on the first element which is fixed to the second conductive element.
    According to this method, the part that can expand the design possibilities and be easily manufactured can be produced.
    In addition, a room that can improve the aesthetic appearance while avoiding the limitations of the elements used can be produced.
    A method of manufacturing a part according to the present invention, by fixing a first element, which is anodisable and to which anodization can be applied, and a second conductive element to one another, comprises a first anodizing step in which anodizing is carried out in a place intended to come into contact with at least the second conductive element, on the surfaces of the first element, so as to form an insulating film, a fixing step in which the second conducting element is fixed to the first element previously subjected to the first anodizing step, and a second anodizing step in which anodizing is again carried out on the first element fixed to the second conductive element.
    According to this method, the variation of the manufacturing process of the workpiece can be increased, and appropriate treatments according to the use can be made on the workpiece.
    With the present invention, by interposing the insulating element between the first element and the second conductive element, even when the anodizing of the first element is carried out in the state where the two elements are fixed one to one. other, it is possible to prevent electrical current from flowing to the second conductive element. As a result, whether the second conductive element is an anodizable element or a non-anodizable element, anodization can be performed only on the first element. Thus, the number of materials that can be selected as the second conductive element can be increased, and room variations and design possibilities can be increased.
    In addition, since the anodization can be performed after the first element and the second conductive element are attached to each other, the manufacture of the part can be performed. In addition, a color change subjected to anodization can be avoided, and scratching or dents can be avoided. Therefore, the aesthetic appearance can be improved.
    In addition, since the first element and the second element are fixed to each other before the anodization is performed, a slot or a step or the like between the elements can be provided in a deliberate manner. , the decorative character can be improved, and the design possibilities can be further increased.
    Brief description of the drawings
    [0033]<tb> Fig. 1 <SEP> is a plan view when looking at a watch movement on the front side in a state where an automatic winding according to a first embodiment of the present invention is removed;<tb> fig. 2 <SEP> is a schematic configuration illustrating the automatic winding according to the first embodiment of the present invention;<tb> fig. <SEP> is a plan view illustrating an oscillating mass according to the first embodiment of the present invention;<tb> fig. <SEP> is a longitudinal sectional view illustrating the oscillating mass according to the first embodiment of the present invention;<tb> figs. 5A and 5B <SEP> are explanatory views illustrating a method of manufacturing a body of the oscillating mass and a weight according to the first embodiment of the present invention, FIGS. 5A and 5B each illustrating a step;<tb> figs. 6A and 6B <SEP> are explanatory views illustrating a first modification of the method of manufacturing the body of the oscillating mass and the weight of the present invention, FIGS. 6A and 6B each illustrating a step;<tb> figs. 7A and 7B <SEP> are explanatory views illustrating a second modification of the method of manufacturing the body of the oscillating mass and the weight of the present invention, FIGS. 7A and 7B each illustrating a step;<tb> fig. <SEP> is a longitudinal sectional view illustrating an oscillating mass according to a second embodiment of the present invention;<tb> fig. <SEP> is a longitudinal sectional view illustrating an oscillating mass according to a modification of the second embodiment of the present invention;<tb> fig. <SEP> is a longitudinal sectional view illustrating an oscillating mass according to a third embodiment of the present invention; and<tb> fig. <SEP> is a longitudinal sectional view illustrating an oscillating mass according to a modification of the third embodiment of the present invention.
    Detailed Description of the Preferred Embodiments
    First embodiment
    Self-winding watch
    Next, a first embodiment of the present invention will be described with reference to FIGS. 1 to 5.
    FIG. 1 is a plan view when looking at a watch movement on the front side in a state where an automatic winding mechanism, i.e. an automatic winding, is removed, and FIG. 2 is a schematic configuration illustrating the automatic winding. As illustrated in figs. 1 and 2, the self-winding watch 10 in which a part according to the present invention (for example an oscillating mass 160 described below) is integrated, is constituted by a movement 100 and a housing (not shown) in which the movement 100 is housed. In addition, a dial (not shown) is mounted on the movement 100. The movement 100 contains a main plate 102 which constitutes a support, a barrel and gear bridge 105, a central wheel bridge 106, a balance bridge 108, and a pallet bridge 109. The central wheel axle 106 is arranged between the barrel and gear deck 105 and the main platen 102. A winding stem guide hole 103 is formed at the main platen 102, and a winding stem 110 is rotatably mounted in the winding stem guide hole.
    Here, from the two sides of the main plate 102, the side (the rear side of the paper surface in FIGS. 1 and 2) where the dial is located is referred to as the "rear side" of the movement 100, and the side (the front side of the paper surface in FIGS. 1 and 2) opposite the side where the dial is located is referred to as the "front side" of the movement 100. A switch device which comprises a wheel referred to as "rear wheel", or a pull tab 140, a rocker 142 and a pull spring 144 are disposed on the rear side of the movement 100. A position in a shaft direction of the winding stem 110 is determined by the switch device.
    On the other side, a wheel called "front wheel", an exhaust and a regulator device 40 for controlling the rotation of the front wheel, an automatic winding 60 and the like are integrated on the front side of the movement 100.
    The front wheel is constituted by a barrel drum 120, a central mobile 124, a third mobile 126, and a second mobile 128. The barrel drum 120 is supported rotatably by the barrel bridge and gear 105 and the main plate 102, and encloses a motor spring (not shown). In addition, when the winding stem 110 is rotated, a sliding pinion is rotated. In addition, the mainspring is raised via a winding pinion, a crown wheel (not shown), and a ratchet 118.
    In addition, a ratchet 117 in the form of a plate meshes with a toothed portion of the ratchet 118, whereby the rotation of the ratchet 118 is regulated.
    On the other side, the barrel drum 120 is rotated by the rotational force generated when the mainspring is raised, and the central mobile 124 is rotated. The central mobile 124 is rotatably supported by the central wheel axle 106 and the main platen 102. When the central mobile 124 is rotated, the third mobile 126 is rotated.
    The third mobile 126 is rotatably supported by the barrel bridge and gear 105 and the main plate 102. When the third mobile 126 is rotated, the second mobile 128 is rotated. The second mobile 128 is rotatably supported by the barrel and gear bridge 105 and the central wheel axle 106. Due to the fact that the second wheel 128 is rotated, the exhaust and the regulating device 40 are rotated.
    Exhaust and regulating device
    The escapement and the regulator device 40 comprise a rocker arm 136, an escapement wheel 134 and a fork 138. The fork 138 is supported rotatably by the pallet bridge 109 and the main plate 102. The balance spring 136 is rotatably supported by the balance bridge 108 and the main plate 102. The balance with spiral 136 includes a balance shaft 136a, a balance wheel 136b and a balance spring 136c.
    According to this configuration, the exhaust and the regulator device 40 control the central mobile 124 to be rotated once per hour. A roadway (not shown) is formed to rotate simultaneously based on the rotation of the central mobile 124, and a minute hand (not shown) mounted on the road indicates the minutes.
    In addition, in the roadway, a sliding mechanism is installed relative to the central mobile 124. By the rotation of a minute wheel based on the rotation of the roadway, an hour wheel (not shown) is made to turn once every twelve hours. In addition, an hour hand (not shown) that is mounted on the hour wheel indicates hours.
    In addition, by the rotation of the third mobile 126 by the rotation of the central mobile 124, the second mobile 128, that is to say the mobile seconds, is formed to rotate once per minute. A second hand (not shown) is mounted on the second mobile 128.
    Automatic winding mechanism
    In the automatic winding 60, the oscillating mass 160 constituting the automatic winding 60 is stirred by the movement of the arm of the user, and a motor spring (not shown) of the barrel drum 120 is raised. The oscillating mass 160 encloses a ball bearing 162, a body 164 and a weight 166. The ball bearing 162 encloses an inner ring, an outer ring, a plurality of balls (not shown) which is installed between the outer ring and the inner ring, and the inner ring is attached to the barrel and gear bridge 105 via a ball bearing lock screw 168.
    Oscillating mass body and weight
    FIG. 3 is a plan view illustrating the oscillating mass, and FIG. 4 is a longitudinal sectional view illustrating the oscillating mass.
    Referring to FIGS. 2 to 4, the body 164 of the oscillating mass is formed substantially fan-shaped according to the plan view, either titanium (Ti) or titanium alloy, to which anodizing is applied. The ball bearings 162 are arranged on a center of rotation of the body 164 of the oscillating mass, and the outer ring of the ball bearings 162 and the body 164 of the oscillating mass are fixed to each other.
    In addition, the weight 166 is attached to the outer peripheral edge of the body 164 of the oscillating mass by fastening elements 61. The weight 166 is formed by shaping and baking a composition having as a main component a metal powder heavy, for example a powder that contains nickel (Ni) or copper (Cu) together with tungsten (W). In other words, the weight 166 is conductive and is formed of a heavy metal.
    The weight 166 is curved so as to correspond to the outer peripheral edge of the body 164 of the oscillating mass, and encloses a bearing surface 63a which can be placed on the body 164 of the oscillating mass and an outer peripheral wall 63b which is formed to be erected at the outer periphery of the bearing surface 63a and covers the outer peripheral edge of the body 164 of the oscillating mass. A plurality of through holes 166a (three in the first embodiment) in which the fasteners 61 are inserted is formed on the bearing surface 63a. On the other side, through holes 164a are formed at the locations corresponding to the through holes 166a of the weight 166 in the outer periphery 46 of the body 164 of the oscillating mass so that the fasteners 61 can be inserted and pass therethrough. In addition, in a manner similar to the body 164 of the oscillating mass, the fasteners 61 are formed of either titanium or titanium alloy, to which anodization may be applied.
    According to this configuration, the outer periphery 46 of the body 164 of the oscillating mass is placed on the bearing surface 63a of the weight 166 and the ends of the fastening elements 61 are deformed by buckling after the fastening elements 61 have been inserted into each opening hole 164a and 166a. Therefore, the body 164 of the oscillating mass and the weight 166 are integrated.
    Here, an insulating layer 62 is formed at a place where the weight 166 comes into contact with the body 164 of the oscillating mass. In other words, the insulating layer 62 is formed on the bearing surface 63a of the weight 166, on the inner peripheral surface of the outer peripheral wall 63b, and on the through holes 166a. On the other side, an anodic oxide film 64 is formed on the surface of the body 164 of the oscillating mass and on the part where the fasteners 61 are exposed, and the surface of the body 164 of the oscillating mass is colored. . The anodic oxide film 64 is deposited on the surface of the body 164 of the oscillating mass and on the part where the fastening elements are exposed, in a sufficient thickness, for example in a range of several tens to several hundred microns. The manufacturing process will be described below.
    Referring again to FIG. 2, an oscillating weight gear 178 is installed in the outer race of the ball bearing 162. The oscillating weight gear 178 meshes with the transmission gear 182a of the first gear wheel 182. The first gear gear 182a is rotatably supported by the barrel and gear axle 105 and the main platen 102. In addition, a leg lever 180 is constructed between the first gear wheel 182 and the barrel and gear axle 105. The lever tabs 180 is mounted with a shape that is eccentric with respect to an axis center of the first transmission wheel 182 and includes a pull tab 180a and a push tab 180b. The pull tab 180a and the push tab 180b meshing with a second transmission gear 184a of a second transmission wheel 184.
    The second transmission wheel 184 includes a second transmission pinion 184b, in addition to the second transmission gear 184a. The second gear wheel 184a is arranged between the body 164 of the oscillating mass and the barrel and gear bridge 105. On the other side, the second gear 184b engages with the ratchet wheel 118.
    In addition, the pull tab 180a and the push tab 180b of the lever tab 180 which meshes with the second gear wheel 184a are biased towards the center of the second gear wheel 184a by an elastic force .
    According to this configuration, when the oscillating mass 160 is rotated, the oscillating weight pinion 178 is also rotated simultaneously, and the first transmission wheel 182 is rotated by the rotation of the oscillating weight pinion 178. The lever with legs 180 which is mounted with a shape which is eccentric with respect to the center of the axis of the first transmission wheel 182, reciprocates by the rotation of the first transmission wheel 182. In addition, the second wheel transmission 184 is rotated in a constant direction by the pull tab 180a and the push tab 180b. As a result, the ratchet wheel 118 is rotated by the rotation of the second transmission wheel 184, and a motor spring (not shown) of the barrel drum 120 is raised.
    Method of manufacturing the oscillating mass body and the weight
    Then, with reference to FIGS. 5A and 5B, the method of manufacturing the body 164 of the oscillating weight and the weight 166 in the oscillating mass will be described.
    Figs. 5A and 5B are explanatory views illustrating the method of manufacturing the body of the oscillating weight and weight, and FIGS. 5A and 5B each illustrate a step.
    First, with reference to FIG. 5A, the insulating layer 62 is previously formed on the parts of the weight 166 with which the body 164 of the oscillating mass will come into contact, i.e. on the bearing surface 63a of the weight 166, on the peripheral surface inside the outer peripheral wall 63b, and on the through holes 166a. This is a step of forming an insulating element.
    In addition, the outer periphery of the body 164 of the oscillating mass is placed on the bearing surface 63a and the fastening elements 61 are inserted from the side of the body 164 of oscillating weight to each opening hole 164a and 166a.
    Here, as a method for forming the insulating layer 62, there is, for example, a method in which the insulating layer is formed by printing processes, such as immersion, a process in which the insulating layer is formed by coating, such as electrodeposition deposition, a process in which an oxide film (SiO2) or a nitride film (Si3N4) is formed by dry plating, such as ion plating, or the like.
    In addition, when the insulating layer 62 is formed only on the bearing surface 63a, the inner peripheral surface of the outer peripheral wall 63b and the through holes 166a of the weight 166, a mask in a pattern is deposited so that the Bearing surface 63a, the inner peripheral surface of the outer peripheral wall 63b and the through holes 166a are exposed, and the insulating layer 62 is formed only on the bearing surface 63a, the inner peripheral surface of the outer peripheral wall 63b and the through holes 166a. However, the present invention is not limited to this, and the insulating layer 62 may be deposited on the entire surface of the weight 166.
    In addition, in the first embodiment, the case where the insulating layer 62 is formed only on the bearing surface 63a, on the inner peripheral surface of the outer peripheral wall 63b and on the through holes 166a of the weight 166 , is described.
    [0065] Continuously, with reference to FIG. 5B, those ends of the fasteners 61 which protrude from the weight side 166 are buckled deformed, and the body 164 of the oscillating weight and the weight 166 are integrated. This is a fixing step.
    At this time, a slot can be formed between the body 164 of the oscillating weight and the weight 166, and the two elements 164 and 166 can adhere completely to one another. In addition, in the first embodiment, the case where a slot between the body 164 of the oscillating weight and the weight 166 is formed, is described.
    After the body 164 of the oscillating weight and the weight 166 are integrated, anodizing is performed on them. This is an anodizing step.
    Concretely, for example, a titanium plate is immersed in an electrolytic solution consisting of an aqueous solution of phosphoric acid and becomes a cathode. In addition, the integrated body 164 of the oscillating weight and the weight 166 is immersed, an electrolysis voltage is applied to the body 164 of the oscillating mass, and it becomes an anode. As a result, the anodic oxide film 64 of a titanium oxide is uniformly formed on the surface of the body 164 of the oscillating mass as a whole, and the surface of the body 164 of the oscillating mass is colored.
    Here, the weight 166 is formed by shaping and baking a composition having a heavy metal powder as the main component, and therefore, it is conductive. However, the insulating layer 62 is formed on the bearing surface 63a, on the inner peripheral surface of the outer peripheral wall 63b and on the through holes 166a of the weight 166. In other words, since the insulating layer 62 is interposed between the body 164 of the oscillating mass and the weight 166, an electric current does not flow to the weight 166. As a result, the anodic oxide film 64 having an approximately uniform film thickness is formed only on the body 164 of the oscillating mass.
    In addition, since a slot is formed between the body 164 of the oscillating mass and the weight 166, the anodic oxide film 64 is formed on the entire surface of the body 164 of the oscillating mass. In other words, the anodic oxide film 64 is also formed on the surface by which the body 164 of the oscillating mass is in contact with the weight 166. Even in the aforementioned state, since the insulating layer 62 is formed on the bearing surface 63a, on the inner peripheral surface of the outer peripheral wall 63b and on the through holes 166a of the weight 166, the anodic oxide film 64 is not formed on the weight 166.
    In addition, in the case where the body 164 of the oscillating mass and the weight 166 are adhered to one another, the anodic oxide film 64 is not formed on the entire surface of the body 164 of the oscillating mass, and it goes without saying that the anodic oxide film 64 is not formed where the body 164 of the oscillating mass is in contact with the weight 166.
    Effect
    Therefore, according to the first embodiment described above, even if the anodization is performed in the state where are fixed to each other the body 164 of the oscillating mass, which is formed of titanium or titanium alloy to which anodization can be applied, and the weight 166, which is conductive and is formed of material to which anodization is not applied, the anodic oxide film 64 can be reliably made only on the body 164 of the oscillating mass.
    In addition, for example, since the insulating layer 62 is interposed between the body 164 of the oscillating mass and the weight 166, even in the case where the weight 166 is formed of material to which the anodization can be applied, it is possible to prevent an electrical current from flowing to and from the weight 166. As a result, the number of materials that can be selected as the weight element 166 can be increased, and a variation of the workpiece and a design variation can be increased.
    In addition, since the anodization can be performed after the body 164 of the oscillating weight and the weight 166 have been fixed to one another, it is possible to easily make the workpiece . In addition, compared to the case where the body 164 of the oscillating mass is attached to the weight 166 after the anodic oxide film 64 has been formed on the body 164 of the oscillating mass, it is possible to prevent the body 164 the oscillating weight is damaged. In other words, a color change of the anodized portion can be avoided, and scratching or dents can be avoided. Therefore, the aesthetic appearance can be improved.
    In addition, since the body 164 of the oscillating weight and the weight 166 are fixed to each other before the anodization is performed, a slot or a step or the like between the two elements can be produced. deliberately, the decorative character is improved, and the design possibilities can be further increased.
    In addition, by adopting anodizing as a means for coloring the body 164 of the oscillating mass, the dimensional change of the body 164 of the oscillating mass can be strongly suppressed. In other words, since the anodic oxide film 64 is of the order of one nanometer, the dimensional change of the part can be strongly suppressed.
    In addition, by using the fasteners 61 to secure the body 164 of the oscillating weight and the weight 166, the two elements 164 and 166 can be easily integrated. In addition, in a manner similar to the body 164 of the oscillating mass, since the fastening elements 61 are formed of either titanium or titanium alloy, the anodic oxide film 64 is also formed on the fastening elements 61, and therefore it is possible to prevent the entire aesthetic appearance of the oscillating mass 160 from being damaged.
    In addition, since the body 164 of the oscillating mass and the fastening elements 61 are formed of either titanium or titanium alloy, the resistance to stress, elasticity, impact resistance, and the like. the entire oscillating mass 160 can be improved, the corrosion resistance can be increased, and the reliability can be improved.
    In addition, in the first embodiment described above, the case where the fasteners 61 are formed of either titanium or titanium alloy is described. Yet the present invention is not limited to this. For example, in a case where it is attempted to prevent the anodic oxide film 64 from forming on the fasteners 61, it is also possible to form the fasteners 61 by a non-anodizable material.
    In addition, in the first embodiment described above, the case where the fasteners 61 are used as a fastener for fixing the body 164 of the oscillating weight and the weight 166, is described. Yet, the fastener is not limited to the fasteners 61, and anything that can secure the body 164 of the oscillating mass and the weight 166 to each other, can be applied. For example, the body 164 of the oscillating mass and the weight 166 can be fixed using screws instead of the fasteners 61.
    In addition, in the first embodiment described above, as a method for forming the insulating layer 62, for example printing processes, such as immersion, coatings, such as electroplating coatings, dry plating, such as ionic plating, are described. Yet the manufacturing process is not limited to this. The anodization is performed on at least the bearing surface 63a and the through holes 166a of the weight 166, and an oxide film is formed, and the oxide film can be formed as an insulating layer. In this case, after the anodic oxide film is formed on the weight 166 as the insulating layer, the weight 166 and the body 164 of the oscillating mass are fixed to each other.
    In addition, in the first embodiment described above, in the method of manufacturing the body 164 of the oscillating weight and the weight 166, as illustrated in FIGS. 5A and 5B, the case where the anodization is performed after the body 164 of the oscillating mass and the weight 166 are fixed to each other, is described. However, the present invention is not limited thereto, and the following manufacturing methods can be adopted.
    First modification of the manufacturing method of the first embodiment
    Figs. 6A and 6B are explanatory views illustrating a first modification of the method of manufacturing the body of the oscillating weight and the weight, FIGS. 6A and 6B each illustrating a step.
    Here, with reference to FIGS. 5A and 5B of the first embodiment described above, the anodic oxide film 64 is not formed on the body 164 of the oscillating mass before fixing the body 164 of the oscillating mass and the weight 166 (see FIG. 5A). However, in the first modification, the anodizing is carried out beforehand on the surfaces of the body 164 of the oscillating mass and on the fastening elements 61 in the state where the fastening elements 61 are inserted into the through holes 164a of the body 164 of the oscillating mass, and the anodic oxide film 64 is formed. This is a first anodizing step (see Fig. 6A).
    On the other side, the insulating layer 62 is formed beforehand on the bearing surface 63a, on the inner peripheral surface of the outer peripheral wall 63b and on the through holes 166a of the weight 166. In addition, the body 164 of the oscillating mass and the fastening elements 61 on which the anodic oxide film 64 is previously formed are placed on the bearing surface 63a and on the inner peripheral surface of the outer peripheral wall 63b of the weight 166 on which the insulating layer 62 is formed, the ends of the fasteners 61 are deformed by buckling, and the body 164 of the oscillating mass and the weight 166 are integrated. This is a fixing step.
    In this way, when the body 164 of the oscillating mass and the weight 166 are integrated, there are cases where the anodic oxide film 64 is damaged, where the color of the part on which the anodic film The oxide 64 is formed or changed where the anodic oxide film 64 has peeled.
    [0087] Thus, with reference to FIG. 6B, anodizing is again performed after the body 164 of the oscillating weight and the weight 166 have been fixed to each other. This is a second step of anodizing.
    In other words, for example, the integrated body 164 of the oscillating weight and the weight 166 are immersed in an electrolytic solution consisting of an aqueous solution of phosphoric acid, and an electrolysis voltage is applied to the body 164 of the oscillating mass which becomes an anode. As a result, a new oxide anode film 64a is formed on the surfaces of the body 164 of the oscillating mass and on the fasteners 61, and the damaged surfaces are coated with the new anodic oxide film 64a.
    Therefore, according to the first modification described above, effects similar to those of the first modification described above can be obtained.
    Second modification of the manufacturing method of the first embodiment
    Figs. 7A and 7B are explanatory views illustrating a second modification of the method of manufacturing the body of the oscillating weight and the weight, FIGS. 7A and 7B each illustrating a step.
    Referring to FIG. 7A, the second modification is similar to the first modification in that the anodizing is carried out beforehand on the surfaces of the body 164 of the oscillating mass and on the fastening elements 61 in the state where the fastening elements 61 are inserted into the through holes 164a of the body 164 of the oscillating mass (first anodizing step), and the anodizing is again performed after the body 164 of the oscillating weight has been set to the weight 166 (second step of anodizing).
    Here, in the first anodizing step, the anodic oxide film 64b which is formed on the surfaces of the body 164 of the oscillating mass and on the fastening elements 61 has insulation properties. In addition, the value of the electrolysis voltage that is applied to the body 164 of the oscillating mass in the first anodizing step is set to be greater than the value of the electrolysis voltage that is applied to the body. of the oscillating mass in the second anodizing step.
    In addition, the body 164 of the oscillating mass and the fastening elements 61 on which the anodic oxide film 64b is formed are put on the weight 166. Here, since the anodic oxide film 64b is a film which has insulation properties, it is not necessary to form the insulating layer 62 on the weight 166 in the second modification, while the insulating layer 62 is formed in the first embodiment and the first modification described herein. -above.
    Referring to FIG. 7B, after the body 164 of the oscillating mass and the fastening elements 61 are put on the body 166, the ends of the fastening elements 61 are deformed by buckling, and the body 164 of the oscillating mass and the weight 166 are integrated .
    Continuously, the oxide anode film 64b which is formed on a surface 164b of the body 164 of the oscillating mass, is removed by a physical process. It is preferred that a surface where the anodic oxide film is removed is the surface (e.g., the top surface in Fig. 7B) that a user can easily see from the outside.
    In addition, after the oxide film is removed from a surface 164b of the body 164 of the oscillating mass, the second anodizing step is performed, and the anodic oxide film 64c is formed. At this moment, the value of the electrolysis voltage which is applied to the body 164 of the oscillating mass in the second anodizing step is less than the value of the electrolysis voltage which is applied to the body 164 of the oscillating mass in the first step of anodizing. As a result, the thickness of the anodic oxide film 64c in the second anodizing step is less than the thickness of the oxide anodic film 64b in the first anodizing step. In addition, since the voltage applied in the second anodizing step is lower than the voltage applied in the first anodizing step, the anodic oxide film 64c is not formed again where the film Anodic oxide 64b is formed in the first anodizing step. As a result, the anode oxide film 64c in the second anodizing step is formed only on a surface 164b of the body 164 of the oscillating mass on which the oxide film is removed.
    Therefore, according to the second modification described above, effects similar to those of the first embodiment described above can be obtained. In addition, since different anodic oxide films 64b and 64c can be formed on a surface 164b of the body 164 of the oscillating mass and on the other surfaces, the color can be changed between a surface 164b and the other surfaces. As a result, a color variation of the oscillating mass 160 can be increased and the choice of the user can be expanded.
    Second embodiment
    Then, a second embodiment of the invention will be described based on FIG. 8 and with reference to FIGS. 1 and 2 . In addition, the same reference signs are assigned to parts similar to those of the first embodiment and described (similarly applied also to the embodiments below).
    FIG. 8 is a longitudinal section illustrating an oscillating mass according to the second embodiment of the present invention.
    In the second embodiment, the basic configurations such as the configuration according to which the self-winding watch 10 comprises the movement 100, the wheel referred to as the "front wheel", the escapement and the regulator device 40 to control the rotation of the front wheel, the automatic winding 60 or similar are integrated on the front side of the movement 100, the configuration according to which the oscillating mass 260 of the automatic winding 60 comprises ball bearings 162, the body 164 of the oscillating weight and the weight 266 the configuration in which the body 164 of the oscillating mass is substantially fan-shaped in a plan view of either titanium or titanium alloy, to which anodization can be applied, the configuration according to which the weight 266 is formed by forming and firing a composition having a heavy metal powder as its main component, is conductive and is formed into non-anodizable material or the like, are similar to those of the first embodiment described above (similarly applied also to the embodiments below).
    Here, with reference to FIG. 8, the differences between the second embodiment and the first embodiment are as follows. That is, the body 164 of the oscillating mass and the weight 166 are secured to each other by fasteners 61 in the oscillating mass 160 of the first embodiment. On the other side, the body 164 of the oscillating mass and the weight 266 are fixed to each other by plugging in the oscillating mass 260 of the second embodiment.
    Specifically, in the weight 266, a concave portion 266a capable of receiving the outer periphery 46 is formed at a location corresponding to the outer periphery 46 of the body 164 of the oscillating mass. The concave portion 266a is formed to be plastically deformed and clogged after the outer periphery 46 of the body 164 of the oscillating mass has been inserted into the concave portion 266a. As a result, the body 164 of the oscillating mass and the weight 266 are integrated. At this time, a slot may be formed or may occur between the body 164 of the oscillating weight and the weight 266, and both 164 and 266 may adhere completely to each other.
    In addition, in the second embodiment, the case where the slot is formed between the body 164 of the oscillating weight and the weight 266, is described.
    In addition, the insulating layer 62 is formed beforehand in the concave portion 266a of the weight 266.
    According to this configuration, the anodizing is performed after the body 164 of the oscillating weight and the weight 266 have been integrated. In other words, for example, the integrated body 164 of the oscillating mass and the weight 266 are immersed in the electrolytic solution consisting of an aqueous solution of phosphoric acid, and when an electrolysis voltage is applied to the body. 164 of the oscillating mass which becomes an anode, the anodic oxide film 64 is formed over the entire surface of the body 164 of the oscillating mass. On the other side, an electric current is caused to the weight 266 due to the insulating layer 62, and the anode oxide film is not formed.
    Therefore, according to the second embodiment described above, effects similar to those of the first embodiment described above can be obtained. In addition, in the second embodiment, since the body 164 of the oscillating mass and the weight 266 can be integrated without using the fastening elements 61, unlike the first embodiment described above, the number of parts can be reduced, and manufacturing cost reductions can be improved.
    Modification of the second embodiment
    In addition, in the second embodiment described above, the case where the insulating layer 62 is formed beforehand on the concave portion 266a of the weight 266 and where the anodization is performed after the weight 156 and the body 164 of the oscillating mass have been integrated, is described. However, the invention is not limited to this, and the configuration illustrated in FIG. 9 can be applied.
    [0108] FIG. 9 is a longitudinal sectional view illustrating the oscillating weight according to a modification of the second embodiment.
    [0109] Referring to FIG. 9, the insulating layer 62 is not formed in the concave portion 266a of the weight 266. On the other side, the insulating layer 65 is formed on the outer periphery 46 of the body 164 of the oscillating mass, that is to say ie where the body of the oscillating mass is inserted into the concave portion 266a. In addition, the anodic oxide film 64 is formed at a location other than the outer periphery 46 of the body 164 of the oscillating mass, i.e. on the surface where the body 164 of the oscillating mass is exposed.
    In the method of manufacturing the body 164 of the oscillating weight and the weight 266 in the case of the configuration, the insulating film 65 is first formed on the body 164 of the oscillating mass before setting the weight 266 to body 164 of the oscillating mass. As a method for forming the insulating film 65, for example, the insulating film 65 may be formed by anodizing, but otherwise, a printing process such as immersion, a coating method such as electrodeposition deposition , a dry veneer such as ionic plating or the like may be applied.
    Here, the insulating film 65 may be formed on the entire surface of the body 164 of the oscillating mass, and the insulating film 65 may be formed only on the outer periphery 46 of the body 164 of the oscillating mass (it is it is possible to form the insulating film 65 only on the outer periphery 46 of the body 164). In the case where the insulating film 65 is formed only on the outer periphery 46 of the body 164 of the oscillating mass, the insulating film 65 is formed while a mask has been deposited on the part other than the outer periphery 46 of the body 164 of the oscillating mass.
    Continuously, the outer periphery 46 of the body 164 of the oscillating mass is inserted into the concave portion 266a of the weight 266, and the two elements 266 and 164 are fixed by plugging. In addition, the anodization is carried out on the integral body 164 of the oscillating mass and the weight 266. At this moment, although an electrolysis voltage is applied to the body 164 of the oscillating mass immersed in the electrolytic solution to make an anode, there is no electric current to and in the weight 266 of the insulating film 65, and the anode oxide film is not formed.
    In addition, even in the case where the insulating film 65 is formed on the entire surface of the body 164 of the oscillating mass, at least in the body part 164 of the oscillating mass at which the electrolysis voltage is applied, the surface of the body 164 of the oscillating mass must be exposed. In addition, in the case where the insulating film 65 is formed by performing the anodization, the value of the electrolysis voltage in the anodization performed thereafter must be set to a value greater than the value of the electrolysis voltage. in the case of the formation of the insulating film 65. According to this configuration, the anodic oxide film 64 may further be formed on the surface of the insulating film 65.
    Therefore, according to the modification described above, of the second embodiment, effects similar to those of the second embodiment described above can be obtained. In addition, the variation of the anodizing in the integrated body of the oscillating mass 164 and the weight 266 can be increased, and the method of the anodizing can be chosen according to the use.
    Third embodiment
    Then, a third embodiment of the invention will be described based on FIG. 10.
    [0116] FIG. 10 is a longitudinal sectional view illustrating an oscillating mass according to the third embodiment.
    [0117] Referring to FIG. 10, the differences between the third embodiment and the first embodiment are as follows. That is, the body 164 of the oscillating mass and the weight 166 are secured to each other by fasteners 61 in the oscillating mass 160 of the first embodiment. On the other side, the body 164 of the oscillating mass and the weight 366 are affixed to each other using an adhesive agent 66 in the oscillating mass 360 of the third embodiment.
    A bearing surface 67a which can place the body 164 of the oscillating mass, and an outer peripheral wall 67b which is erected at the outer periphery of the bearing surface 67a and covers the outer peripheral edge of the body 164 of the mass oscillating, are formed in the weight 366. In addition, the adhesive agent 66 having insulation properties is deposited on the bearing surface 67 and on the inner peripheral surface of the outer peripheral wall 67b. In addition, the outer periphery 46 of the body 164 of the oscillating mass is placed on the adhesive agent 66 and fixed, and therefore, the body 164 of the oscillating mass and the weight 366 are integrated.
    In this way, after the integration is performed by the adhesive agent 66, the anodizing is performed on the body 164 of the oscillating mass. At this time, although an electrolysis voltage is applied to the body 164 of the oscillating mass immersed in the electrolytic solution to make an anode, it is possible to avoid an electric current to and in the weight 366 due to the adhesive agent 66 having insulation properties. As a result, the anode oxide film is not formed on the weight 366, and the anodic oxide film 64 having a substantially uniform film thickness can be formed on the body 164 of the oscillating mass.
    Therefore, according to the third embodiment described above, effects similar to those of the second embodiment described above can be obtained.
    In addition, in the third embodiment described above, the case where the body 164 of the oscillating weight and the weight 366 are integrated only by the adhesive agent 66, is described. Still, the invention is not limited thereto, and the adhesive agent 66 and the fasteners 61 (see Fig. 4) of the first embodiment described above may be used together. In other words, the adhesive agent 66 is deposited on the bearing surface 63a of the weight 166 in the first embodiment described above, and the deposited adhesive agent functions as an insulating layer 62. In addition, after the body 164 of the oscillating mass and the weight 166 are integrated using the adhesive agent 66, the fasteners 61 are used. According to this configuration, the adhesion between the body 164 of the oscillating mass and the weight 166 can be increased.
    In addition, in the third embodiment described above, the case where the anodic oxide film 64 having a substantially uniform thickness is formed over the entire surface of the body 164 of the oscillating mass, is described. . However, the invention is not limited thereto, and the thickness of the anodic oxide film 64 can be changed on the surface of the body 164 of the oscillating mass. A more detailed description will be produced based on FIG. 11 below.
    Modification of the third embodiment
    [0123] FIG. 11 is a longitudinal sectional view illustrating an oscillating mass according to a modification of the third embodiment.
    [0124] Referring to FIG. 11, an oxide anode film 74a is formed on a surface 164b of the body 164 of the oscillating mass, and an oxide anode film 74b, which has a film thickness greater than that of the oxide anode film 74a, is formed on the surface other than the surface 164b to which the body 164 of the oscillating mass is exposed.
    Next, the method of manufacturing the body of the oscillating weight and the weight in the modification of the third embodiment will be described.
    Here, after the body 164 of the oscillating weight and the weight 366 are integrated, two anodizing steps of the first anodizing step and the second anodizing step are performed. Concretely, first, after the body 164 of the oscillating mass and the weight 366 are integrated, the first anodizing step is performed, and the anodic oxide film 74b is formed on the entire surface at the which body 164 of the oscillating mass is exposed. The value of the electrolysis voltage applied to the body 164 of the oscillating mass in the first anodizing step is set to be greater than that of the second anodizing step which is the subsequent step.
    Continuously, the oxide anode film 74b formed on a surface 164b of the body 164 of the oscillating mass is removed by a physical process. Here, it is preferred that a surface where a grinding is made is the surface (e.g., the top surface in Fig. 11) that a user can easily see from the outside.
    In addition, after the rectification of a surface 164b of the body 164 of the oscillating mass has been performed, the second anodizing step is performed. At this time, the value of the electrolysis voltage in the second anodizing step is less than the value of the electrolysis voltage in the first anodizing step. As a result, a new oxide film is not formed on the oxide anode film 74b formed in the first anodizing step.
    On the other hand, the new oxide anode film 74a is formed on the surface 164b where the oxide anode film 74b has been removed by a physical process. The anode oxide film 74a is a thinner film, compared to the oxide anode film 74b, depending on the value of the electrolysis voltage which is lower in the second anodizing step. As a result, the thickness of each of the oxide anode films 74a and 74b can be changed at the front surface and at the rear surface of the body 164 of the oscillating mass, i.e. at the surface 164b and the other surface 164c.
    Therefore, according to the modification described above, of the third embodiment, in addition to the effects similar to those of the third embodiment described above, the colors of the front and rear surfaces of the body 164 of the oscillating mass. can be changed. As a result, an oscillating mass 160 having different color variations can be produced, and products that meet the needs of users can be provided.
    In addition, in the modification described above, of the third embodiment, the case where two anodizing steps of the first anodizing step and the second anodizing step are performed during the fixing of the The body 164 of the oscillating weight and the weight 366 using the adhesive agent 66 is described.
    However, the invention is not limited to this, and two anodizing steps of the first anodizing step and the second anodizing step can be applied to the body 164 of the oscillating weight and the weight 166 of the first embodiment described above, or the body 164 of the oscillating weight and the weight 266 of the second embodiment.
    In addition, the present invention is not limited to the embodiments described above, but rather covers those in which different modifications are applied to the embodiments described above within the scope of the claims. independent without departing from the essence of the present invention.
    For example, in the embodiments described above, the case where the body 164 of the oscillating mass is formed substantially fan-shaped according to a plan view, either of titanium or of titanium alloy, is described. However, the invention is not limited to this. That is, the body 164 of the oscillating mass can be formed of any material if the anodization can be applied. For example, magnesium (Mg), a magnesium alloy, lithium (Li), aluminum (Al), tungsten (W), molybdenum (Mo), or the like can be used instead of titanium and the titanium alloy.
    In addition, the body 164 of the oscillating mass is not substantially limited to its fan shape according to a plan view, and, for example, may be substantially circular in plan view.
    In addition, in the embodiments described above, for example, the case where the weights 166, 266 and 366 are formed by shaping and baking the powder which contains nickel or copper with tungsten, is described. . However, the invention is not limited to this. That is, the weights 166, 266 and 366 can be formed of any conductive material.
    In addition, the case where the weights 166, 266 and 366 are formed by shaping and baking a heavy metal powder, or are conductive and are formed of non-anodizable material, is described. However, the invention is not limited to this. That is, the weights 166, 266 and 366 can be formed from a material to which the anodic oxide treatment can be applied. Even in this case, by interposing the insulating layers 62 and 65 or the adhesive agent 66 having insulation properties between the body 164 of the oscillating mass and the weights 166, 266 and 366, the anodic oxide films 64 to 74b can be formed only on the body 164 of the oscillating mass.
    In addition, in the embodiments described above, the case where anodizing is performed on the integrated body 164 of the oscillating masses and weights 166, 266 and 366, which constitute the oscillating weights 160, 260, 360 incorporated in the movement 100 of the self-winding watch 10, has been described. However, the invention is not limited to this. In other words, the anodization in the embodiments described above can be carried out on various parts which have at least one element to which anodization can be applied as well as a conductive element and in which the elements are fixed. one to another.
    权利要求:
    Claims (9)
    [1]
    1. Part having at least two elements attached to each other, namely a first member (164) and a second conductive member (166; 266; 366), wherein the first member is an anodized member, the piece having an insulative member (62; 65; 64b; 66) interposed between the first member and the second conductive member to prevent electrical current from flowing from the first member to the second conductive member.
    [2]
    2. Part according to claim 1, wherein the first element and the second conductive element are fixed to each other via an anodized fixing element (161), the insulating element being also interposed between the fixing element. anodized and the second conductive element.
    [3]
    3. Part according to claim 1 or 2, wherein the first element is formed of titanium or titanium alloy.
    [4]
    4. Part according to one of claims 1 to 3, wherein the second conductive element is formed of non-anodizable material.
    [5]
    5. Part according to one of claims 1 to 4, wherein at least one surface of the first element has a color obtained by anodization.
    [6]
    6. Part according to claim 5, wherein a surface (164b) and another surface among the surfaces of the first element have different colors.
    [7]
    7. Watch comprising the piece (160; 260; 360) according to one of claims 1 to 6.
    [8]
    A method of manufacturing a workpiece (160; 260; 360) according to one of claims 1 to 6 by attaching a first member (164) which is anodisable and to which anodization can be applied and a second conductive element (166; 266; 366) to each other comprising:a step of forming an insulative member (62; 66), wherein the insulative member is previously formed at a location to contact at least the first member on the surfaces of the second conductive member;a fixing step in which the first element is fixed to the second conductive element subjected beforehand to the step of forming an insulating element; andan anodizing step in which anodization is performed on the first element which is attached to the second conductive element.
    [9]
    9. A method of manufacturing a workpiece (160; 260; 360) according to one of claims 1 to 6, by fixing a first element (164) which is anodisable and to which anodization can be applied and a second conductive element (166; 266; 366) to each other comprising:a first anodizing step in which anodizing is performed at a location to contact at least the second conductive member on the surfaces of the first member to form an insulating film (64b);a fixing step in which the second conductive element is fixed to the first element previously subjected to the first anodizing step; anda second anodizing step in which anodizing is performed again on the first element attached to the second conductive element.
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    同族专利:
    公开号 | 公开日
    US20120152748A1|2012-06-21|
    JP5595254B2|2014-09-24|
    CH704290A2|2012-06-29|
    CN102540847A|2012-07-04|
    JP2012126978A|2012-07-05|
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    法律状态:
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    优先权:
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