• 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 relates to a method for manufacturing support tabs (1) on an electro-formed clockwork structure component (2): a sacrificial substrate complementary to the profile of said structural component (2) is produced; there are created on said substrate as many bearings (4) as support tabs (1); adequate savings are available on said substrate used as a core; an electro-forming process is used to obtain a raw electro-formed component with the required sections of material; the nucleus is destroyed and the savings are freed; finishing of said structural component (2) is carried out, during which the zones corresponding to said bearings are disengaged in order to obtain the desired geometries of support lugs (1), and those which are to be drilled are pierced. The invention also relates to an electro-formed clockwork structure component (2) produced according to this method and a timepiece comprising a caseband made by this method.
    公开号:CH709854A2
    申请号:CH01030/14
    申请日:2014-07-08
    公开日:2016-01-15
    发明作者:Carlo Albisetti；François Maire
    申请人:Swatch Group Man Serv Ag；
    IPC主号:
    专利说明:

    Field of the invention
    The invention relates to a method of manufacturing support brackets at specific locations on a component of electro-formed clockwork structure.
    The invention also relates to an electro-formed clockwork structure component produced according to such a method.
    The invention also relates to a timepiece, comprising a middle consisting of such a component and in which middle is mounted a clockwork movement, directly or via an intermediate support, fixed by said means fixing through said support legs.
    The invention relates to the field of cases of timepieces, including watches.
    Background of the invention
    The holding of a watch movement in a watch case requires special precautions, because of the high stresses to which the components of a watch are subjected, especially in the event of an impact, where accelerations of 5000 g can take place. occur during a fall at height of man, which can happen by inattention or during a bad closing of a bracelet.
    Also the bearing surfaces and the movement of the maintenance (or the casing circle that surrounds generally during its assembly in the box) require careful development, especially when the box is made of a low material. section.
    [0007] In particular, the manufacture of electro-formed shells, in particular of noble metal, is appreciated in the fields of watchmaking, jewelery, and jewelery, since it allows the supply of components complying with the prescribed regulatory rates. noble metal in alloys, while achieving significant material savings thanks to sections much lower than those of machined boxes. Such shells still have the advantage of excellent surface conditions and high reproducibility of dimensions, which are obtained with high geometric precision.
    However, it is difficult to achieve an electro-shaped middle well adapted to a mounting of the movement from above, that is to say the side of the upper ice, unlike the machined middle that have bearing surfaces obtained by turning or any conventional machining process.
    Summary of the invention.
    The invention proposes to provide electro-formed components comprising supporting support tabs capable of safely ensuring the support and fixing of a watch movement in a watch.
    For this purpose, the invention relates to a method of manufacturing supporting support tabs at specific locations on a component of an electro-formed clockwork structure, characterized in that:a sacrificial substrate is produced according to a profile complementary to the internal or external profile of said structural component;there are created on said sacrificial substrate as many bearings as support support legs (desired at the corresponding locations;there are available, on said sacrificial substrate used as nucleus, adequate savings for obtaining a crude electro-formed component;an electroforming process is used to obtain a raw electro-formed component by growth of material at least outwardly, or inwardly, of said sacrificial substrate, with the required sections of material;these savings are released;destroying all or part of said sacrificial nucleus;finishing of said structural component is carried out, during which the zones corresponding to said bearings are disengaged in order to obtain the desired geometries of support lugs, and those which are to be drilled are broken.
    The invention also relates to an electro-formed clockwork structure component produced according to such a method, characterized in that said support lugs comprise first bearing surfaces for receiving in support of a movement of watchmaking or an intermediate support of a said movement, and, on the opposite side, second bearing surfaces for receiving support means for fixing said movement or said intermediate support, and further characterized in that has at least a first continuous closed surface for housing a peripheral seal.
    The invention also relates to a timepiece, comprising a middle part constituted by such a component and in which middle part is mounted a clockwork movement, directly or via an intermediate support, fixed by said means. fastening through said support legs, characterized in that it comprises a bottom cooperating with a bearing surface in abutment with at least one bottom bearing surface of said middle part, and arranged to exert, by a second continuous surface that comprises said bottom, a crushing force of said peripheral seal that includes said timepiece, said bottom remaining at a distance from said fastening means when said bottom is in a bearing position on said middle part.
    Brief description of the drawings
    Other features and advantages of the invention will appear on reading the detailed description which follows, with reference to the accompanying drawings, in which:<tb> fig. 1 <SEP> represents, schematically and in section, a sacrificial substrate made for the implementation of the method according to the invention;<tb> fig. 2 <SEP> shows, schematically and in a view from below, a sacrificial substrate corresponding to FIG. 1 for producing an electro-formed watch case according to the invention, with four substantially radial bearings;<tb> fig. 3 <SEP> represents, schematically and in perspective seen from below, the substrate of FIG. 2;<tb> fig. 4 <SEP> represents, schematically and in perspective seen from above, the substrate of FIG. 2;<tb> fig. <SEP> is a schematic sectional view of a crude electro-formed component obtained by electroforming from the substrate of FIGS. 1 to 4;<tb> fig. 6 <SEP> shows, schematically and in a view from below, the crude electro-formed component of FIG. 5;<tb> fig. 7 <SEP> shows, schematically and in plan view, the raw electro-formed component of FIG. 5;<tb> fig. 8 <SEP> shows, schematically and in perspective from below, the crude electro-formed component of FIG. 5;<tb> fig. 9 <SEP> shows, schematically and in perspective from above, the raw electro-formed component of FIG. 5;<tb> fig. 10 <SEP> shows, schematically and in section, a finite structure component, in this case a watch middle, obtained by machining the raw electro-formed component of FIGS. 5 to 9, and with console and U-shaped support legs;<tb> fig. 11 <SEP> shows, schematically and in a view from below, the finite structure component of FIG. 10;<tb> fig. 12 <SEP> represents, schematically and in perspective from below, the finite structure component of FIG. 10;<tb> fig. 13 <SEP> shows, schematically and in perspective from above, the finite structure component of FIG. 10;<tb> fig. 14 <SEP> shows, schematically and in section, a watch comprising the middle part of FIGS. 10 to 13, on which is assembled by screws, at the level of the support legs, a casing ring bearing itself a watch movement; this middle still carries, by an upper bore, the same casing ring and a flange and a seal for holding an ice, the middle part still constituting a support for a bottom mounted sealing support through a tight seal on the middle part;<tb> fig. <SEP> represents a detail of FIG. 14;<tb> fig. 16 <SEP> represents, schematically and in plan view from below, the watch of FIGS. 14 and 15;<tb> fig. 17 <SEP> represents, schematically and in section, a watch with a middle part made according to a variant comprising the same radial support legs, but carrying, in the upper part, a bezel, the upper bore of this middle case receiving the casing ring and a bezel seal;<tb> fig. 18 <SEP> shows, schematically and in section, a watch with a case made according to yet another variant having the same radial support tabs, and having a lower protrusion arranged to cooperate with a clearance of the box bottom;<tb> fig. 19 <SEP> shows, schematically, partially and in view from below, the bracket of the middle part of the watch of FIG. 17.
    Detailed Description of the Preferred Embodiments
    The invention proposes to provide electro-formed components comprising supporting support tabs capable of safely ensuring the support and fixing of a watch movement in a watch.
    Thus, the invention relates to a method of manufacturing supporting support tabs 1 at specific locations on a component of electro-formed clockwork structure 2.
    According to the invention, the following operations are carried out:a sacrificial substrate 3 is produced according to a profile complementary to the internal or external profile of the structural component 2;on the sacrificial substrate 3 are created as many bearings 4 as support lugs 1 desired at the corresponding locations;there are available on the sacrificial substrate 3 used as a core, adequate savings 9 to obtain a crude electro-formed component 5;an electroforming method is used to obtain a crude electro-formed component by growth of material at least outwardly or inwardly of the sacrificial substrate 3 with the required material sections;the savings are released 9;all or part of the sacrificial core 3 is destroyed;the finishing component of the structural component 2 is made, during which the zones corresponding to the bearings 4 are disengaged in order to obtain the desired geometries of support lugs 1 and the holes which are to be drilled are punched out.
    Indeed some support tabs 1 may comprise on one side of the first surfaces 11 of simple support of a massive structure such as a movement, and others may comprise, in addition to such first surfaces of support 11, and on the opposite side, second bearing surfaces 12 for cooperating with fastening means 50 such as screws 51 or the like.
    Depending on the function of the component, the electro-forming can be performed from the inside or outside.
    In a variant of this method, the electroforming process is used to obtain a crude electro-formed component 5 by growth of material both outwardly and inwardly of the sacrificial substrate 3. , with the required sections of matter.
    In a variant of this method, an electrically conductive material, or coated with a conductive layer of electricity, is chosen as the material of the sacrificial substrate 3.
    In a particular variant, a brass or a zamak or a charged plastic material is chosen as the material of the sacrificial substrate 3.
    In a variant of this method, the material chosen from the sacrificial substrate 3 is an alloy of at least one metal chosen from among a first family or from a second family, the first family comprising gold, silver, silver or silver. platinum, rhodium, osmium, palladium, ruthenium, iridium, titanium, zirconium, and tantalum, and the second family comprising copper, tin, nickel, zinc, aluminum , magnesium, lead, manganese, chromium, arsenic and iron.
    In a particular variant, a gold or platinum alloy is chosen as the material of the sacrificial substrate 3.
    In a variant of this method, is chosen as the material of the electro-formed component 2 an alloy of at least one metal selected from a first family or from a second family, the first family comprising gold, silver , platinum, rhodium, osmium, palladium, ruthenium, iridium, titanium, zirconium, and tantalum, and the second family comprising copper, tin, nickel, zinc, aluminum, magnesium, lead, manganese, chromium, arsenic and iron.
    In a particular variant, a gold or platinum alloy is chosen as the material of the electro-formed component 2.
    In a variant of this method, the entire sacrificial substrate 3 is destroyed and the crude electro-formed component 5 is produced with sections of material between 0.10 and 0.50 mm. More particularly, the crude electro-formed component 5 is made with sections of material between 0.25 and 0.35 mm. Naturally, other thicknesses can be used, especially for thin-film applications, or for decoration purposes, this essentially concerning multi-layer electro-formed components.
    In a variant of this method, part of the sacrificial substrate 3 is retained, and the crude electro-formed component 5 is produced, at least locally, in the form of a multi-layer compound with sections of material between 0.10 and 0.50 mm. Such a sandwich-like structure preferably comprises gold or platinum noble metal alloys or the like on the remaining external surfaces. In another variant, the noble metal alloy is in an inner layer and is revealed by machining an outer layer covering it. In a particular variant, the crude electro-formed component 5 is produced with sections of material between 0.25 and 0.35 mm.
    In a variant of this method, the support lugs 1 are formed in the form of consoles protruding internally in the structural component 2, and each having at least one face 11 parallel to a plane P, which substantially extends the structure component 2. These consoles can have different profiles, for example with an L section in a first direction, and a U section in a second direction orthogonal to the first.
    In a variant of this method, at least one support lug 1 is produced in the form of a profile comprising at least one stiffening flange substantially perpendicular to the plane P.
    In a variant of this method, it is applied to the manufacture of a middle part 20 whose support legs 1 are arranged and dimensioned for receiving a stop abutment of a clockwork movement 30 or an intermediate support 31 of such a movement 30.
    In a variant of this method, the middle part 20 is made with a profile locally complementary to that of a bottom 40 of given geometry, and the shape and the implantation of the support legs 1 are determined with a sufficient axial clearance. , in a direction D perpendicular to a plane P in which substantially extends the middle part 20, to accommodate a peripheral seal 60 resting on a first continuous surface 21 of the middle part 20 and on a second continuous surface 41 of the bottom 40.
    The sizing of the support legs 1 is adapted to the functions for which they are designed: simple support, and / or screw head support or the like.
    In a variant of this method, the shape and the implantation of the support lugs 1 are determined with sufficient axial clearance, to still accommodate the fixing means 50 of the clockwork 30 or the intermediate support 31. on the support lugs 1, and secondly, in withdrawal of the fixing means 50 and the opposite side to the movement 30, for accommodating such a peripheral seal 60.
    The invention also relates to an electro-formed clock structure component 2 made according to such a method. According to the invention, the support lugs 1 comprise first bearing surfaces 11 for reception in support of a clockwork movement 30 or of an intermediate support 31 of such a movement 30, and, on the opposite, second bearing surfaces 12 for receiving support of fixing means 50 of the movement 30 or the intermediate support 31. Or this component 2 comprises at least a first continuous closed surface 21 for the housing of a peripheral seal 60.
    In particular, the first continuous closed surface 21 is arranged near the second bearing surfaces 12, and at a distance sufficient to accommodate the fixing means 50, for fixing through the support legs 1 of the movement 30. or intermediate support 31 without interference with the peripheral seal 60.
    In a particular embodiment, the first continuous closed surface 21 is a bore.
    In a particular embodiment, the component 2 comprises, on the side of the first bearing surfaces 11, at least one bore 23 arranged for guiding an intermediate support 31 of movement and / or a flange 32.
    In a particular embodiment, the support lugs 1 comprise, at their distal end, centering surfaces 13 defining together sectors of the same bore for centering an intermediate support 31 of movement or a casing ring.
    In a particular embodiment, the support lugs 1 each comprise two lateral bearing faces 14 developing substantially radially and substantially parallel to one another, for the centering guide and the holding in position of an intermediate support 31 of movement or a casing ring.
    In a particular embodiment, the support lugs 1 are made in the form of U-shaped profiles comprising two stiffening wings 15 substantially perpendicular to the plane P, developing substantially radially and substantially parallel to one another, for the centering guide and the holding in position of an intermediate support 31 of movement or a casing ring.
    The invention also relates to a timepiece 100, comprising a middle part 20 constituted by such a component 2, and in which middle 20 is mounted a clockwork movement 30, directly or via a support intermediate 31, fixed by the fixing means 50 through these support tabs 1. According to the invention the piece 100 comprises a bottom 40 cooperating with a bearing surface 43 in abutment with at least one bottom support surface 22 of the middle part 20, and which is arranged to exert, by a second continuous surface 41 that comprises the bottom 40, a compressive force of the peripheral seal 60 that includes the timepiece 100, the bottom 40 remaining at a distance from the fastening means 50 when the bottom 40 is in the bearing position on the middle part 20.
    In a particular embodiment, the peripheral seal 60 is supported on a first continuous surface 21 of the middle part 20, and the bottom support surface 22 of the caseband 20 is flat, and the bottom 40 includes an annular bearing surface. 42 delimited, internally by a bore 65 arranged to remain set back from the first continuous surface 21, and externally by the second continuous surface 41 which is a cylindrical surface which is contiguous with a flat surface 42 for supporting the gasket 60 parallel to the bottom support surface 22.
    In a particular embodiment, the support lugs 1 extend far enough inwardly of the middle part 20 to ensure the housing the fastening means 50 inside the first continuous surface 21 without contact with the background 40.
    In a particular embodiment, the middle 20 carries an intermediate support 31 of the movement 30 guided in the bore 23 and carried by the first bearing surfaces 11 of the support legs 1, and still carries a flange 32 guided in the bore 23 and bearing on the intermediate support 31.
    权利要求:
    Claims (28)
    [1]
    A method of manufacturing support brackets (1) at specified locations on an electro-formed clockwork component (2), characterized in that:A sacrificial substrate (3) is produced according to a profile complementary to the internal or external profile of said structural component (2);On said sacrificial substrate (3), as many bearings (4) are created as there are support legs (1) desired at the corresponding locations;- on said sacrificial substrate (3) used as a core, there are adequate savings (9) for obtaining a crude electro-formed component (5);An electro-forming method is used to obtain a crude electro-formed component (5) by growth of material at least outwards, or inwardly, of said sacrificial substrate (3), with the sections of matter required;- Said savings (9) are released;Destroying all or part of said sacrificial nucleus (3);- Finishing machining of said structural component (2), in which the zones corresponding to said bearings (4) are released to obtain the desired geometries of support legs (1), and those which are to 'to be.
    [2]
    2. Method according to claim 1, characterized in that implements said electroforming process to obtain a raw electro-formed component (5) by growth of material both outwards and towards the interior of said sacrificial substrate (3), with the required material sections.
    [3]
    3. Method according to claim 1 or 2, characterized in that one chooses an electrically conductive material, or coated with a conductive layer of electricity, as a material of said sacrificial substrate (3).
    [4]
    4. Method according to claim 3, characterized in that a brass or a zamak or a charged plastic material is chosen as the material of said sacrificial substrate (3).
    [5]
    5. Method according to claim 3, characterized in that the material chosen from said sacrificial substrate (3) is an alloy of at least one metal selected from a first family or from a second family, said first family comprising gold, silver, platinum, rhodium, osmium, palladium, ruthenium, iridium, titanium, zirconium, and tantalum, and said second family comprising copper, tin, nickel, zinc, aluminum, magnesium, lead, manganese, chromium, arsenic and iron.
    [6]
    6. Process according to claim 5, characterized in that a gold or platinum alloy is chosen as the material of said sacrificial substrate (3).
    [7]
    7. Method according to one of the preceding claims, characterized in that the material chosen for said electro-formed component (2) is an alloy of at least one metal selected from a first family or from a second family, said first family comprising gold, silver, platinum, rhodium, osmium, palladium, ruthenium, iridium, titanium, zirconium, and tantalum, and said second family comprising copper, tin , nickel, zinc, aluminum, magnesium, lead, manganese, chromium, arsenic and iron.
    [8]
    8. Process according to claim 7, characterized in that a gold or platinum alloy is chosen as the material of said electro-formed component (2).
    [9]
    9. Method according to one of claims 7 or 8, characterized in that destroys all of said sacrificial substrate (3) and in that said raw electro-formed component (5) with sections of material included between 0.10 and 0.50 mm.
    [10]
    10. The method of claim 9, characterized in that said raw electro-formed component (5) with sections of material between 0.25 and 0.35 mm.
    [11]
    11. Method according to one of the preceding claims, characterized in that a portion of said sacrificial substrate (3) is preserved, and said crude electro-formed component (5) is produced, at least locally, in the form of a multi-layer compound with sections of material between 0.10 and 0.50 mm.
    [12]
    12. The method of claim 11, characterized in that said raw electro-formed component (5) is made with sections of material between 0.25 and 0.35 mm.
    [13]
    13. Method according to one of the preceding claims, characterized in that it carries said support brackets (1) in the form of consoles protruding internally in said structural component (2), and each having at least one face (11). parallel to a plane (P) according to which substantially extends said structural component (2).
    [14]
    14. Method according to the preceding claim, characterized in that carries out at least one said support lug (1) in the form of a profile comprising at least one stiffening flange substantially perpendicular to the plane (P).
    [15]
    15. Method according to one of the preceding claims, characterized in that it is applied to the manufacture of a middle part (20), said support tabs (1) are arranged and dimensioned for receiving abutment abutment. a clockwork movement (30) or an intermediate support (31) of a said movement (30).
    [16]
    16. Method according to the preceding claim, characterized in that said middle part (20) is made with a profile locally complementary to that of a bottom (40) of given geometry, and in that the shape and the shape are determined. implantation of said support tabs (1) with a sufficient axial clearance, in a direction (D) perpendicular to a plane (P) in which said middle part (20) extends, to accommodate a peripheral seal (60) supporting on a first continuous surface (21) of said middle part (20) and on a second continuous surface (41) of said bottom (40).
    [17]
    17. Method according to the preceding claim, characterized in that determines the shape and the implantation of said support tabs (1) with sufficient axial clearance, to further accommodate means for fixing (50) said movement of watchmaker (30) or said intermediate support (31) on said support lugs (1), and secondly, in withdrawal of said fixing means (50) and on the opposite side to the movement (30), for accommodating said peripheral seal (60).
    [18]
    18. Component of electro-formed clockwork structure (2) made according to one of the preceding claims, characterized in that said support lugs (1) comprise first bearing surfaces (11) for receiving support. a clockwork movement (30) or an intermediate support (31) of a said movement (30), and, on the opposite side, second bearing surfaces (12) for the reception in support of means fixing (50) said movement (30) or said intermediate support (31), and further characterized in that it comprises at least a first continuous closed surface (21) for accommodating a peripheral seal (60).
    [19]
    19. Component (2) according to the preceding claim, characterized in that said first continuous closed surface (21) is arranged close to said second bearing surfaces (12) and at a distance sufficient to accommodate said fixing means (50). for fixing through said support tabs (1) of said movement (30) or said intermediate support (31) without interference with said peripheral seal (60).
    [20]
    20. An electro-formed clockwork component (2) according to claim 18 or 19, characterized in that said first continuous closed surface (21) is a bore.
    [21]
    21. component electro-formed clockwork structure (2) according to one of claims 18 to 20, characterized in that said component (2) comprises, on the side of said first bearing surfaces (11), at least one bore (23) arranged for guiding an intermediate support (31) and / or a flange (32).
    [22]
    22. Electro-formed clockwork component (2) according to one of claims 18 to 21, characterized in that said support lugs (1) comprise, at their distal end, centering surfaces (13). defining together sectors of the same bore for centering an intermediate support (31) of movement or a casing ring.
    [23]
    23. component electro-shaped clockwork structure (2) according to one of claims 18 to 22, characterized in that said support lugs (1) each comprise two lateral bearing faces (14) developing substantially radially and substantially parallel to each other, for the centering guide and the holding in position of an intermediate support (31) of movement or a casing ring.
    [24]
    24. component of electro-formed clockwork structure (2) according to one of claims 18 to 23, characterized in that said support lugs (1) are made in the form of U-shaped profiles comprising two stiffening wings ( 15) substantially perpendicular to the plane (P), developing substantially radially and substantially parallel to each other, for the centering guide and the holding in position of an intermediate support (31) of movement or a circle casing.
    [25]
    25. Timepiece (100), comprising a middle part (20) constituted by a said component (2) according to one of claims 18 to 24, and wherein the middle (20) is mounted a clockwork movement (30), directly or via an intermediate support (31), fixed by said fixing means (50) through said support legs (1), characterized in that it comprises a bottom (40) cooperating with a bearing surface (43) bearing with at least one bottom bearing surface (22) of said middle part (20), and arranged to exert, by a second continuous surface (41) that comprises said bottom (40), a crushing force of said peripheral seal (60) that includes said timepiece (100), said bottom (40) remaining at a distance from said fastening means (50) when said bottom (40) is in a bearing position on said middle part (20).
    [26]
    26. Timepiece (100) according to the preceding claim, characterized in that said peripheral seal (60) bears on a first continuous surface (21) of said middle part (20), characterized in that said surface of bottom support (22) of said middle (20) is flat, and in that said bottom (40) has an annular bearing surface (42) delimited internally by a bore (65) arranged to remain set back from said first continuous surface (21), and externally by said second continuous surface (41) which is a cylindrical bearing which is contiguous with a flat bearing surface (42) of said seal (60) parallel to said bottom bearing surface (22).
    [27]
    27. Timepiece (100) according to the preceding claim, characterized in that said support lugs (1) extend sufficiently far inwardly of said middle part (20) to accommodate said fixing means ( 50) within said first continuous surface (21) without contact with said bottom (40).
    [28]
    28. Timepiece (100) according to claims 21 and 25, characterized in that said middle (20) carries a said intermediate support (31) of said movement (30) guided in said bore (23) and carried by said first bearing surfaces (11) of said support lugs (1), and a flange (32) guided in said bore (23) and bearing on said intermediate support (31).
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    同族专利:
    公开号 | 公开日
    CH709854B1|2018-08-15|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    CH01030/14A|CH709854B1|2014-07-08|2014-07-08|A method of manufacturing an electro-formed clockwork component comprising support tabs.|CH01030/14A| CH709854B1|2014-07-08|2014-07-08|A method of manufacturing an electro-formed clockwork component comprising support tabs.|
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