• 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:
    Method for forming glass containers by the blow and blow process in which a parison mold having a plurality of cavities is centrally positioned relative to a pair of blow molds having a plurality of cavities. The parisons are formed with their necks down in the parison mold from a charge of glass delivered to each cavity. Vacuum is applied to the neck area of the mold to form the finish portion of the container. A neck pin is pulled and air under pressure is fed to the interior of the area from which the neck pin is drawn to expand the glass within the parison mold at a continuous rate until the glass within the parison mold comes in contact with a baffle which closes the upper end of the parison mold. The parison mold is then opened and the parisons are transferred alternately from the parison mold to the blow molds where they are expanded into final shape. During the transfer of the parisons from the parison mold to the blow mold, air under pressure is maintained within the hollow interior of the parison. The parison transfer is carried out by the neck molds with parison counterblow pressure delivering means as well as puff or low pressure means for either puffing the parison during its invert movement from the parison mold to the upright position at the blow mold or to help sustain the parison against collapse during invert. The ability to apply puffing air to the parison during transfer is a significant step in the forming process.
    公开号:SU953976A3
    申请号:SU782568201
    申请日:1978-01-26
    公开日:1982-08-23
    发明作者:Деметр Колчагоф Роберт；Венделл Фортнер Пол；Томас Киркман Ричард；Дж.Ногтон Томас；Зиммерман Джордж
    申请人:Оуэнс-Иллинойс,Инк (Фирма)；
    IPC主号:
    专利说明:

    The aim of the invention is to obtain glass containers of a given capacity from a smaller portion of glasses with uniform wall thickness and increased strength. The goal is achieved in that according to the method of molding glass containers by double blowing by feeding a portion of glass into a rough mold to form the preform and the Throat, settling it using vacuum, pre-blowing, tilting the vanilla, transferring the blank to a pure form and swelling the preform to the eye. During the tilting and transfer of the workpiece into the finishing form, the pressure inside the workpiece is kept at a pressure of 0.2109-0.7 kg / cm and removed after the completion of the transfer. FIG. 1 shows a glass forming machine for carrying out the process, top view in FIG. 2 - section Ana of FIG. one; in fig. 3 section bb in fig. 2; in fig. - section BB in FIG. 3; in fig. 5 a section of YYY in FIG. one; in fig. 6 is a section showing the plunger or throat head stud in the designated position; in fig. 7-21 are schematic views illustrating the process of forming the preform and bottle. The device performs the process according to the invention, the method and manufactures glass products, for example bottle and jars, which have a very uniform radial distribution of glass in the walls. The improved radial distribution of the glass makes it possible to significantly reduce the weight of the glass without reducing the strength of the product. According to a known method, counter-blowing of the workpiece is carried out with air pressure sufficient to effect a delayed counter-blow in a relatively short period of time, and the glass is blown up to contact with the walls of the mold and the stopper with considerable force, and when the glass contacts the walls and the stopper due to their thermal conductivity is a large amount of heat. This leads to the appearance of a thick and viscous cooled surface, or the so-called glaze, or peel, which gives the workpiece some hardness, which makes it possible not to keep the workpiece in an inverted position after the rough shape is removed from it. and traffic jams. In this case, the workpiece can be turned over by means of gears, which transfer the workpiece to the blow mold. With a relatively thick crust on the preform, the reheat period necessary to allow the heat inside the preform to melt again or soften the peel on the preform is long, which slows down the process at the blow position. Repeated reheating must be completed completely, otherwise it will not be possible to obtain a uniform distribution of wall thickness when blowing up the preform. With a poor distribution, the container is opposed only to such pressure (or mistreatment) that its thinnest section can withstand. The proposed method has several advantages compared with the known molding methods, one of which is that a hotter portion of glass of lower weight can be used. More mountains - I feel a portion of the glass is served in the form and immediately precipitate it in the form using a vacuum. The contact time of the glass portion with the walls of the mold is minimal and the forces involved, except for the throat forming zone, are the forces of gravity. Counter-blowing starts immediately, without wasting time to re-heat, since the glass has a higher temperature, and the contact time of the plunger with the glass is short. The total contact time between the glass and the form can be 1.6 seconds for a rough mold compared to 2.1 seconds for standard 1.S. . The counterblow pressure is maintained at a low level in order to obtain a soft counterblow, when the glass preform is inflated as much as the walls of the mold and the cork allow, but the glass is in contact with these surfaces very easily. That is, counter-blowing is never accompanied by a significant force of contact of the workpiece with the walls of the rough form. This has the advantage of reducing the heat removal from the workpiece caused by heat conduction. As a result, the blank is obtained without a thick crust of chilled glass. To transfer the bushing from the open-cut rough form to the blown one, support of preparation is required, which is provided by air trapped inside the billet having a pressure higher than atmospheric. The magnitude of the trapped air pressure depends on the degree of stiffness that is not circumvented to maintain the workpiece during rolling and transfer. Sometimes pressure is blown into the inside of the air stream to make the workpiece harder or to force it to become inflated during transfer. One of the advantages of using hotter portions of glass and maintaining the temperature of the walls of the workpiece is somewhat higher than what is currently accepted. that the surface of the resulting product has fewer ions. after forming, the result is that the glass product is more abrasion resistant and has improved strength properties. The molding machine contains (FIG. 1 3) a horizontal table 1, raised above the base 2 by means of side walls 3 and 4 and end walls 5 and 6. The side wall 3 has an outwardly extending part in which motors 7 with reciprocating are placed movement- A roof 8 is attached to the protruding part of the wall 3, which can be removed for o6efc access to the space oi, which is located on the base 2, side and end walls and the horizontal table 1. On the table .1 there is a section 9 for forming blanks so that the vertical plane. 10, which defines the parting line between the semi-molds 11 and 12, runs in the middle of the table 1 in the transverse direction. On the opposite sides and at the same distance from the preform molding section 9, two blow moldings or sections 13 and Ii of the final blowout were installed. The blowout section 13 contained a pair of blown half-molds 15 and 1b, and the blow section 1 - a pair of blown b-shapes 17 and 18 The connector line between the half-molds of both blown sections 13 and 14 defines vertical planes, which are parallel to the vertical PLANE 1 O, the defining line of the connector of draft half-shapes. Rough half molds are mounted on holders 19 and 20, extending along the entire length of the half molds. Holders 19 and 20. supported in the middle by vertical axes 21 and 22 swings. Axes 21 and 22 pass through bushings 23 and 2A in the upper cast parts 25 and 26 of the four-link articulated lever mechanism that supports the rough half-molds. The upper casting parts 25 and 2b run in a horizontal plane parallel to the plane of the 10 half-molds and their ends are hinged b the upper ends of the connecting links 27. The connecting links 27 go down and have a slightly curved shape, and their lower ends are mounted on the keys on the shafts 28 and 29- The upper cast parts 25 and 26 also have 21 and 22 parts extending outwards at right angles to the axle, split into two parts. by the Horizontal axes 30 and 31.; Swings pivotally connect the bifurcated parts of the upper casting parts 25 and 2b with the upper ends of the connecting links 31, the lower ends of which are pivotally connected to the fixed fastening elements 33. The fastening elements 33 are mounted on the upper surface of the table 1. - The horizontal axes of the shafts 28 and 29 are parallel to the horizontal axis of the horizontal joints of the links 32. With the fastening elements 33 (Fig. 2). The relative displacement of these two axes is equal to the useful length of the upper cast parts 25 and 2b between the upper axes 30 and 31 of the swing and the corresponding upper ends of the connecting links 27. Link 27, upper part 2b, link 32 and the fixed fastening of the shaft 29 and the fastening elements 33 relative to each other a four-link articulated lever mechanism is provided that effectively ensures the movement of the half-mold 12 when opened in such a way that the working surface of the half-mold 12 remains parallel to the plane 10. In a similar way, the working poverhnost.poluformy 11, when moving relative to the other mold parts 12, 10 remains parallel to the plane. . Blow mold halves 15 and 1b are mounted on holders 3 and 35, which can be moved relative to each other with the help of an articulated four-sided design. identical to the four-link design, which supports, draft half-molds 11 and 12. Blow-on half-shapes 17 and 18 are installed on the bases Zb and 37, and they, in turn, are also supported by four-link lever mechanisms, identical to the one used by to maintain roughing semi; forms 11 and 12 and other semi blown forms 15 and 1b. In all the supports, the half-molds of the hinge four-shafts two shafts, which correspond to the shafts 28 and 29 at the forming position of the blanks, are the driving elements. These shafts are driven by hydromotors 38. The hydromotor 38. when actuated, opens and closes the blow molds 17 and 18. A similar hydromotor is available to drive the rolls 28 and 29 in the forming section 9 of the blanks and the corresponding shafts in the blow section 13- Shafts 39 and 0 are connected with the blower section I. The shafts 39 and 30 are equipped with crank arms tl and 42, which move downwards. Those parts, shafts39, to which crank levers are attached, are fitted with covers 3, the purpose of which is to prevent broken glass or other material from interfering with the operation of the hydraulic motor. A similar cover is also found in sections 9 and 13. The upper end of the hydraulic motor 38 is hinged. connected with fingers and 45 to a downwardly moving downwardly fixed supporting element 46. Supporting element 46 (Fig. 3) consists of two separated parts with vertical longitudinal grooves 47, in which the ends of the horizontal swing axis 48 are mounted for movement. Ooh 48 Kachani passes through the plug 49, to which the piston rod of the hydraulic motor 38 is connected. Thus, the operation of the hydraulic motor 38 causes the piston rod 50 to move back and forth, which, in its OWN turn, moves the plug 49 up and down. A pair of Enevens 51 and 52 is connected at one end with the axis 48 of the swing, and the other end with the crank levers 41 and 42.
    obtuse movement of the piston rod 50 leads to a rotational-rocking movement of the shafts 39 and 40. Rotate, 9
    to carry out the movement of the coup. The movement of the rails 65 and b9 is carried out through links 70 and 71 of the Motor 69 of the shafts 39 and 4 o, leading to the opening and / or closing of the blown half-shapes 17 in the blowing section 14. The ends of the shaft 40 rest on the bearings 53 and 54 (FIG. 3). Other mechanisms to support their operation are essentially the same as those described for section 14 (Figs. 3 and 4). At a specific position of the device (Figs. 1 and 2), two supporting throat formation rings (or shapes) mechanisms 53 are visible, one of which is on the preform molding section 9, and the other on the blow section 13 These mechanisms for maintaining the forefoot rings L and means for turning and transferring the molded stocks from the rough to the blown molds. Mechanisms for maintaining the throat-forming rings include several split-type throating rings or forms 5b (see Fig. 5 and 6) and centrally located plunger rings 57. Each separate throat-forming form has a plunger installed along its axis and each turning mechanism carries four sets of gromoform rings and plungers. In addition, the mechanism 55 for supporting the throat-forming rings is mounted on two separated turning consoles 5B and 59. The turning consoles are connected with the possibility of their removal with the gantry shaft 60 by means of the mounting bracket 61. The shaft 60 is equipped with ring bearings B2 and 63. Near the end bearing 63, gear 64 is mounted on shaft 60. Gear 64 is in engagement with a vertical rail B5, during reciprocating movement of which consoles 5B and 59 transfer workpieces held by the throat from section 9 of forming a workpiece OK to the blowing section 14. The mechanism 66 at the blowing section 13, which is in the positions at which the transfer of the workpieces is completed, works in the same way and supports the throat-forming rings. A gear 6B is mounted on the left shaft B7, with which the rail B9 is engaged with, so that support mechanism 66 can sors 7 and 72, which are double-acting hydraulic motors or with reciprocating movement, output shafts 73 and 7 rotate. Output shafts 73 and 7 are connected to cranks 75 and 76, which, in turn, are pivotally connected to the lower ends of the bonds 70 and 71; Cree-bolt 75 moves upwards and the rail 65 is in its upper extreme position (Fig. 2); The rail B9 is in the lower end position and the crank 76 moves vertically downwards. A motor 72 associated with the output shaft .7 moves the crank 76 along the mass arrow, allowing the reverse arm 77 to move backwards from the blowing section 13 to the section 9 for forming blanks. Blow sections 13 and support elements 78 and 79 for the bottom plate are provided. The device can mold containers of various sizes, so the blow molds vary depending on the configuration of the finished product to be manufactured. In view of this, it is necessary to ensure the possibility of adjusting the position of the vertical plate of the lower plate, which remains in the blowing position. The bottom plate can be replaced on its support with bottom plates of other sizes. The support members 78 and 79 are designed in which the height of the support mechanism can be adjusted by rotating the conical gears 80 and 81 in the usual manner, as in the known devices. The bevel gears 80 and 81 are engaged with the bevel gears (not proven) with a manual drive, since this adjustment is made during the initial set-up of the machine. This adjustment remains unchanged during the operation of the machine during the manufacture of the product. The preform molding section 9 shows a support element 82, the upper end of which is provided with a vacuum chamber 83. An opening 85 is made in the upper wall 84 of the vacuum chamber 83 (Fig. 5 and 6). The vacuum chamber 83 extends along the entire length occupied by several design cavities in the forming section of the preform, an opening 85 is provided for each of the said cavities. an upward annular element 86 having an inner wall 87 sloped downwards and inwards. An element 86 with a conical wall 87 is designed to engage the lower annular conical end 88 of the plunger 57. The chamber 83 must take the uppermost position and come into contact with the end 88 of the plunger in beginning of the cycle of forming blanks. When moving the inversion consoles 5B and 59 (Figs. 1 and 2), the upper wall 8 of the vacuum chamber 83 occupies a position where the end 88 of the plunger 57 comes into contact with the ring elementon 86 on the upper wall of the chamber 83. Plunger 57 has a vertical channel 89 extending from the lower end to about half the length of the plunger. The vertical position of the plunger 57. is provided by the guide 90. The pressure spring 91 pushes the plunger 57 in a downward direction relative to the guide 90. When the plunger is in contact with the ring member 86 (Fig. 5), it occupies the uppermost position, while the channel 89 communicates with the vacuum chamber 83. The vacuum through the channel 89 and the side holes 92 passes into the annular chamber 83 within the guide 90. The chamber 93 allows vacuum around the upper end of the plunger 57 to be created in the area of the throat forming ring, thanks to provided mu vacuum squat portions of the molten glass around the tip of the plunger 57 within the throat of the molding ring or form 6. After completion of vacuum Vani upset preform molding cycle in the vacuum chamber is lowered (Figure 6). In this case, the supply of vacuum in the chamber 83 may be terminated. Under the action of the pressure spring 91, the plunger 57 moves downward and the lower step on the plunger comes into contact with the inner annular step 95 at the lower end of the guide 90 for the plunger. The manifold 96 is connected by a pipe 97 to a compressed air source and has a series of holes 98 that communicate with the individual channels 99 in the guide 90. The channels 99 (Fig. 6) communicate with the camera inside the guide 90, in which (the camera) P9 plunger. When the plunger is in the fully retracted position (Fig. 6), the channel 100 in the plunger 57 is aligned with the channel 99, while the air under relatively low pressure enters the channel 100, passes through the annular chamber 93 and, rounding the tip of the plunger 57, begins blow the molten glass to form a bubble 101, which gradually expands until the glass melts in contact with all the walls of the half-molds 11 and 12 and the stopper 102. When the plunger moves (Fig.6), the vacuum holes 92 overlap the chamber 93 in an effective seal guide This prevents leakage through the channel 89. The plug 102 is mounted on the support 103, on which four separate plugs are installed in this case (Fig. 2). The mechanism for mounting and moving the support 103 is not shown, but the plugs 102 must be are located out of alignment with the cavity of the mold when the cavity is loaded with a portion of molten glass and in such a way as not to interfere with the transfer of the molded blanks from the molding position of the blanks to the blow position. The plunger guide 90 also carries an elongated casing 10 on the opposite side of the guide rail from the collector 9b, substantially opposite the collector. The housing 104 covers the shaft 105, which is the drive shaft of the opening and closing mechanism of the throat forming forms. The shaft 105 extends between and through the consoles 58 and 59 and can activate a mechanism inside the consoles 58 and 59 for opening the throat forms in order to free the throat of the blanks at the blow position. At one end of the shaft 105, a crank lever 107 is installed, to which a link 107 is pivotally attached. The link 107 is connected to the output shaft 108 of the romotor 109, and the hydraulic motor 109 is attached to a bracket 110 fixed on the side of the console 58. Actuation of the motor 109 causes rotation shaft 105, as a result of which the throat forming molds or rings are opened and closed in a preselected sequence dictated by the molding cycle. 612 After transferring the blanks from the preform molding section 9 to one or the other of the blown sections 13 or 1, the throat forms or rings are opened, releasing the preforms, which, when suspended by the throat, can reheat and flow under the force of gravity. Then move the blow heads 111 and 112 and. having covered the throats of the blanks, air is injected into the blanks under pressure, which inflates the blanks to the final shape defined by the cavity profile in the blown mold. When actuating a vertical motor 113 or 11, the rail 115 or 116 meshes with the gear 117 or 118, actuates the four-arm hinge 119 or 120, the blow head 111 or 112 is attached to the cotbrom using the support frame 121 or 122. After the bottles are fully molded, the forms, for example, in the blow section 14, open, the finished container of the plates 123, which are attached to them, activates the unloading mechanism 124, which transfers the molded bottles from the lower plates 123 to the external machine, where it is placed on the fixed cooling plate 125 (Fig. 20 ). The unloading mechanism 124 consists of an elongated head .126, which bears on itself several (in this case, four) ticks 127, which are captured by a WATER ready container by the neck below the upper end of the container. In its middle part, the head 12b is supported by the shaft 128, passing through the mechanical arm 129. Inside, in the mechanical arm 129, which has a box shape, there is an asterisk on the shaft 128. This sprocket supports the chain 130, which encloses the second sprocket 131 mounted on the shaft 132. The shaft 132 is driven by the rotation of the stubs 133, which is in engagement with the rail 134, which is capable of moving reciprocally in the vertical direction. The rail 134 is connected at its lower end to a link 135, the lower end of which is connected to a crank 136 mounted on a drive shaft 37. The shaft 137 is the output shaft of a hydraulic motor 138 with a reciprocating movement, which has
    the same configuration as the motors 7 or 72.. Thus, during the reciprocating movement of the rail 13, the products are transferred from the blowing section, remaining upright. The tongs are opened and closed in the usual way, and the signals to the tongs come from the common timing system of the forming machine.
    At the beginning of the molding process, the rough molds 11 and 12 are closed around the throat forming molds or rings 5b, and the mechanism 55 supporting the mouth shaping rings is in the forming position of the blanks (Fig. 7). The support element 82 for the vacuum chamber is in a raised position, with the vacuum chamber 83 in communication with the inner channel 89 in the plunger 57. At this point in the molding cycle, the molten portion 139 is at the entrance to the open upper end of the rough mold. When the portion enters the mold, the vacuum in the chamber 83 provides the draft of the portion 139 around the raised plunger 57 or the throat shaping pin (Fig. 8). When the supporting element 82 is lowered, the spring 91 pushes the plunger 57 backwards, and the air from the manifold 9b begins to inflate the portion 139, forming an air g. Gyrr 101 in it (Fig. 9). At this point, the stopper 102 closes the open upper end of the draft form. Bubble 101 is larger due to pressure from the pressurized air from the manifold 9b, which has a relatively low pressure compared to the pressures previously used to produce the preform or counter-blow the preform. Air under low pressure in the manifold 9b enters the billet until it is completely molded (Fig. 11). After this: the stopper 102 is raised (Fig. 12) and once the rough molds 11 and 12 are closed, the resulting billet 140 is in a vertical position relative to the throat forming ring, ca 55. The inward stockpile enters. Yo air from collector 9b remains under higher than atmospheric pressure, maintaining the workpiece. Throat forming rings 5b are supported by mechanism 55, which, in turn, is supported by a flip console 58, another flip console 59 is associated with supports. The swivel arm 58 swings around the horizontal axis of the shaft 60, transferring the blanks to the blowing section I (Fig. 13). FIG. The l4 billet is located at the center of the transfer point of the billet with ipeBopoTOM from the billet molding section 9 into the blow molding section 14. Here, in the inner cavity 101 of the billet YO, air is also kept under low pressure. In fact, it is possible to slightly inflate the workpiece during its flip, comprising the steps shown in FIG. 1315 if it is found desirable to obtain a billet having the proper shape and temperature.
    After the billet enters the blown section I (Fig. 15), the outer crust on it is reheated from the internal heat of the 3 rotobki, and low pressure air is released, and the billet sags under its own weight as a result of gravity. The blow molds 17 and 18 are closed around the blank and the plate 123; as a result, they occupy the position shown in FIG. 1b. The throat-forming rings are opened and the workpiece is released, after which it is suspended by the throat to the outer surface of the blown half-shapes 17 and l8 on the blowing section I (Fig. 1b). The turning console 58 is returned to the section 9 for forming blanks. As the billet continues to flow and reheat, the blowing molds 17 and 18 impose a blow head 111 through which pressure is injected into the workpiece and inflates it to the floor of the final shape of the bottle (Fig. 17). Then the blow head 111 they lift and retract from the It section of the blow molding, while the half-molds 17 and 18 are diluted (Fig. 19), and the container is blown out to stand on the bottom plate 123. The tongs 127 grab the container by the throat and transfer it from the bottom plate 123 to the upper surface of the fixed cooling 125 (Fig. 20), through to toruyu air passes, providing a container bottom solidification and cooling it sufficient to o6ecne4ej: no possibility of handling with it during annealing. The pliers 127 is opened and the empty container is placed on the fixed cooling plate 125.
    on the top surface of the conveyor. This completes one full cycle of forming the container, starting from the moment of supplying the portion of glass to the rough form and ending with moving the fully molded glass container to the conveyor, which transfers the container from the forming machine to the place where it is transferred to
    annealing.
    According to the proposed method, counter-blowing of the billet can be started earlier than under the same conditions in the known method, where the billet is deposited around the throat shaping pin or plunger, supplying pressurized air into the space above the portion of the melted glass, vacuum happens more quickly. The counterblow, being soft, continues throughout the entire counterblowing period of the workpiece. The term soft is synonymous with low pressure. It is better to carry out a soft counter-blown vigod but by allowing a higher temperature of the glass portion and, due to the mechanism of flipping (or transfer) of throat-forming rings, at which excessive internal pressure is preserved inside the billet, preventing the billet from forming during the flipping, provides a more uniform distribution of the radial dimensions of the glass walls.
    A more controlled reheat also contributes to obtaining finished packages having a very uniform distribution of glass in the walls. This improved distribution significantly reduces the weight of glass containers without reducing their strength.
    权利要求:
    Claims (1)
    [1]
    Invention Formula
    The method of forming glass containers by double blowing by feeding a portion of glass into a rough mold, to form the preform and throat, precipitating it with vacuum, pre-blowing, tilting, transferring the blank to final shape and blowing the blank to a final shape, characterized in that The purpose of obtaining a glass container of a given capacity from a smaller Portion of glass with a uniform wall thickness and increased strength, during tipping and transferring the workpiece to the finishing form, is kept inside the workpiece. e 0.21090, 7 kg / cm and remove it after completion of the transfer.
    Sources of information taken into account during the examination 1. V. Gigerich and V. Trier. Glass machines. M., Mechanical Engineering, 1968, p. 309-311.
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    类似技术:
    公开号 | 公开日 | 专利标题
    US4070174A|1978-01-24|Glassware forming machine of the I.S. type with in-line mold motion
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    同族专利:
    公开号 | 公开日
    FR2383135B1|1983-02-04|
    BR7801293A|1978-10-03|
    PT67490A|1978-02-01|
    NL7713276A|1978-09-11|
    JPS5542935B2|1980-11-04|
    DE2807447A1|1978-09-14|
    PL110674B1|1980-07-31|
    BG30469A3|1981-06-15|
    IT1103599B|1985-10-14|
    GB1590211A|1981-05-28|
    NL165133C|1981-03-16|
    AR213138A1|1978-12-15|
    CH632473A5|1982-10-15|
    DD137701A5|1979-09-19|
    NL165133B|1980-10-15|
    DE2807447C3|1981-11-26|
    AU511422B2|1980-08-21|
    PH14837A|1981-12-16|
    SE7712877L|1978-09-08|
    ES466096A1|1978-10-16|
    HU177017B|1981-06-28|
    IT7847516D0|1978-01-03|
    CA1116405A|1982-01-19|
    US4094656A|1978-06-13|
    MX145898A|1982-04-19|
    JPS53110615A|1978-09-27|
    ES469478A1|1979-09-16|
    PL204963A1|1978-11-20|
    SE430497B|1983-11-21|
    CS207717B2|1981-08-31|
    AU3386178A|1979-09-13|
    PT67490B|1979-06-08|
    BE864634A|1978-07-03|
    GR68690B|1982-02-01|
    DE2807447B2|1980-12-18|
    FR2383135A1|1978-10-06|
    ZA776817B|1979-06-27|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    RU2535570C2|2012-08-21|2014-12-20|Общество с ограниченной ответственностью "БУЛАТ" |Glass flask semiautomatic moulding machine|US1527556A|1910-07-06|1925-02-24|Westlake Machine Company|Glass-working machine|
    US1385428A|1912-06-04|1921-07-26|Charles F Cox|Machine for making glass bottles|
    US1680544A|1923-12-06|1928-08-14|Hartford Empire Co|Method of blowing glassware|
    US1826019A|1924-08-11|1931-10-06|Hartford Empire Co|Method of and apparatus for transferring glass parisons|
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    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    US05/775,131|US4094656A|1977-03-07|1977-03-07|Method for forming glass containers|
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