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특허 상세정보

Injection moulding apparatus

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B29C-045/00   
미국특허분류(USC) 425/542 ; 264/513 ; 264/572 ; 425/557
출원번호 US-0048862 (1987-05-12)
우선권정보 GB-0006204 (1987-03-16)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 57  인용 특허 : 0
초록

Apparatus for producing an injection moulding of plastics material comprises means for introducing a supply of plastics material, passage means for communicating the supply means to a mould space, and means for introducing a pressurized gas into the plastics material filling the mould space whereby the gas creates a gas containing cavity in the plastics material and for thereafter relieving the gas pressure within the gas containing cavity before the mould is opened. The gas supply/pressure relieving means comprise valve means including a valve port open...

대표
청구항

Apparatus for producing an injection moulding of plastics material comprising means for introducing a supply of plastics material, passage means for communicating the supply means to a first opening in a mould space, and means for introducing a pressurized gas through a second opening in the mould space into the plastics material filling the mould space whereby the gas creates a gas containing cavity in the plastics material and for thereafter relieving the gas pressure within the gas containing cavity before the mould is opened, said gas supply/pressure...

이 특허를 인용한 특허 피인용횟수: 57

  1. Rogers,Dennis R.; Card,Gary A.; McDonnell,Jonathan. Airbag module door assembly. USP2006077073817.
  2. Beuerlein, Werner. Casting mold comprising a breather. USP2016059327428.
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  8. Guergov Milko G.. Gas assisted injection molding with controlled internal melt pressure. USP2000026019918.
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  10. Chen Yung-Chih,TWX ; Liu Wen-Liang,TWX ; Cheng Cheng-Lung,TWX ; Wu Chin-Yung,TWX ; Wang Shian-Yih,TWX. Gas injection mold structure for a gas auxiliary injection molding equipment. USP2001116315542.
  11. Erikson Jon R.. Gas nozzle for a gas assisted injection molding system. USP1998105820889.
  12. Guergov Milko G.. Injection control system. USP1998025716561.
  13. Baxi Indra R. (Troy MI). Injection molding apparatus for making a hollow object. USP1991055015166.
  14. Maus Steven M. (Henp MN) Galic George J. (Anoka County MN). Injection molding process operating without opening the mold to airborne contaminants. USP1991014981634.
  15. Hurst,William Todd. Instrument panel adapter for airbag mount. USP2006087093847.
  16. Guergov Milko G. (615 Washington ; #5 Monroe MI 48161). Method and apparatus for injecting a molten material into a mold cavity. USP1997095662841.
  17. Sayer Matthew E. (Tamworth GB2). Method and apparatus for injection moulding. USP1990054923667.
  18. Miyamoto, Tuguhisa; Ogawa, Junichi; Kaneko, Mitsuharu; Nakajima, Yukinori. Method and apparatus for molding resin foam product. USP2012128337186.
  19. De'ath Roderick Michael,GBX. Method and apparatus for preventing sink marks in the injection moulding of thermoplastic polymers. USP2000066071463.
  20. Sayer Matthew Emmett,GBX ; Crow Kenneth Richard,GBX. Method and apparatus for producing an injection moulding of plastics material using gas assistance and a valve to contro. USP1998065770237.
  21. Kauer Hubert (Warren MI). Method and system for making a hollow-shaped body from molten resin by injection molding. USP1989054830812.
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  23. Ronald W. Thomas. Method for gas assist injection molding. USP2002046375892.
  24. Hendry James W. (Brooksville FL). Method for injection molding of plastic article. USP1997035607640.
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  26. Hendry James W.. Method for injection molding utilizing a variable volume spill area within an article-defining mold cavity and article p. USP1999035885518.
  27. Hendry James W. (Spring Hill FL). Method for the injection molding of plastic articles using fluid pressure. USP1989084855094.
  28. Hendry James W. (Brooksville FL). Method of and apparatus for injection molding with pressurized fluid assist. USP1990074943407.
  29. Hendry James W. (Spring Hill FL). Method of injection molding with pressurized-fluid assist and variable-volume reservoir. USP1991075032345.
  30. Yamazaki Kunio (Takatsuki JPX) Watanabe Tetsuzi (Toyonaka JPX). Method of injection moulding. USP1990054923666.
  31. Ohtake, Shinichi; Tamura, Tatsuya. Method of manufacturing windows having an integral hollow body frame member. USP2004056730258.
  32. Winget Larry J. ; Murphy John F.. Mold for use in a gas-assisted injection molding system and gas pin assembly for use therein. USP2000046053720.
  33. Murphy John F.. Mold for use in a gas-assisted injection molding system and runner shut-off subsystem for use therein. USP2000056062842.
  34. Bernhardt Achim (Heinburg DEX). Nozzle for injection molding machines. USP1991024990083.
  35. Spear Kenneth J ; Czerwinski Frank G. One-piece hand-held gardening tool. USP1999115975601.
  36. Hendry, James; Homann, Gregory A.; Turczynski, David. Open mold molding. USP2005056890478.
  37. Ronald Thomas. Pin for gas assisted injection molding system. USP2002036354826.
  38. Pearson, Terrence C.. Plastic expulsion process. USP2004076767487.
  39. Pearson, Terrence C.. Plastic expulsion process for forming hollow tubular products. USP2005106953546.
  40. Homann, Gregory A.; Turczynski, David. Plastic injection molded articles with hollow rib members. USP2005056890477.
  41. Homann, Gregory A.; Hendry, James; Turczynski, David. Plastic injection molding with moveable insert members. USP2005096939504.
  42. Homann, Gregory A.. Plastic injection molding with moveable mold members forming speaker grill. USP2005056899843.
  43. Frankenberg Jason R.. Plastic tote box improvements. USP2001116318586.
  44. Jason R. Frankenberg. Plastic tote box improvements. USP2002086431394.
  45. Hardgrove William. Pressure-activated gas injection valve for an injection molding apparatus. USP2000086099284.
  46. Eckardt Helmut,DEX ; Gosdin Michael,DEX. Process for controlling gas blanket extent in plastics injection molding. USP2001096294126.
  47. Thomas, Ronald. Process for gas assisted and water assisted injection molding. USP2003066579489.
  48. Thomas, Ronald. Process for gas assisted and water assisted injection molding. USP2005056896844.
  49. Karunaratne Palitha Mahendra S.,SGX ; Srinivasan Visveswaran,SGX ; Chua ; Jr. Manuel Alameda,SGX ; Chin Neep Hing,SGX ; Rounds Nicholas Andrew. Process for making preforms useful for encapsulating semiconductors. USP1998095804126.
  50. Thomas, Ronald. Process for pressure assisted molding of hollow articles. USP2004046716387.
  51. Jason R. Frankenberg. Rackable molded pallet. USP2002036357366.
  52. Borsboom Antonius H. (Pittsfield MA) Gennari Anthony A. (Pittsfield MA) Rudolph Kenneth G. (Dalton MA) Zuber Peter J. (Pittsfield MA). Reinforced material handling container. USP1996125586675.
  53. Frankenberg Jason R.. Structural channel pallet. USP2001046216609.
  54. Kauer Hubert (Warren MI). System for making a hollow-shaped body from molten resin by injection molding. USP1990044913644.
  55. Deaville, Todd; Mori, Steven J.; Schrempf, Rudolf Allan. Valve for an injection molding manifold. USP2005096945769.
  56. Fernandez Vernon ; Seres Eric J.. Valve-gate bushing for gas-assisted injection molding. USP2001066250903.
  57. Ohtake Shinichi,JPX ; Tamura Tatsuya,JPX. Windows for automobiles and the like. USP2001056223497.