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특허 상세정보

Process for the injection molding of fluid-filled plastic bodies

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B29C-045/00    B29C-045/34    B29D-022/00   
미국특허분류(USC) 264/572 ; 264/3288 ; 264/32812 ; 264/32813
출원번호 US-0511764 (1990-04-20)
우선권정보 DE-3913109 (1989-04-21)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 26  인용 특허 : 0
초록

The invention relates to a process for the injection molding of fluid-filled plastic bodies and a device to carry out this process, wherein a pressurized, flowable plastic melt is first injected by means of at least one nozzle into a mold cavity clamped by a two-part or multi-part mold until the mold cavity is completely filled. Next, after cooling of the plastic melt on the mold cavity walls has set in, a pressurized fluid is injected in such manner into the interior of the plastic melt located in the mold cavity that the still melted center of the resu...

대표
청구항

A process for the injection molding of fluid filled plastic bodies, comprising the steps of: injecting a pressurized, flowable plastic melt into an interior of a mold cavity defined by walls to completely fill the mold cavity; cooling part of the plastic melt along the walls, thereby providing an interior of flowable, plastic melt; then providing at least one side cavity in communication with the mold cavity; injecting a pressurized fluid into the interior of flowable, plastic melt formed by cooling part of the plastic melt along the walls; expelling the...

이 특허를 인용한 특허 피인용횟수: 26

  1. Rogers,Dennis R.; Card,Gary A.; McDonnell,Jonathan. Airbag module door assembly. USP2006077073817.
  2. Moldovanyi Jay F. (Brecksville OH). Gas assisted injection molding apparatus utilizing sleeve and pin arrangement. USP199712RE35705.
  3. Hurst,William Todd. Instrument panel adapter for airbag mount. USP2006087093847.
  4. Tatham Glenn L.. Method and apparatus for plastic injection molding flow control. USP1998125849236.
  5. Mikael Hildesson SE; Tor Hesselgren SE; Lars Odelmark SE. Method and device for manufacturing a hollow plastic component. USP2002046372177.
  6. Groleau Rodney J.. Method for improving knit line strength in polymeric materials. USP2001096290893.
  7. Steinbichler Georg,ATX. Method for processing plastic material. USP1998065759476.
  8. Splain, William D.; Peota, Robert D.; Hennen, Alexandre; Cameron, Allan; Ryan, Mark T.; Pruitt, Jr., David L.. Method of assembling a shopping cart. USP2010097793948.
  9. Pruitt, Jr., David L.; Ryan, Mark T.; Shell, Charles E.; Peota, Robert D.; Crow, Kenneth R.; Sayer, Matthew E.. Method of molding a shopping cart. USP2010087780902.
  10. Krajcir Dezi A. (330 Ramsey Drive Dunnville ; Ontario CAX N1A 2X1 ). Methods for the production of resilient molded heels for boots and shoes. USP1997095667738.
  11. Hendry, James; Homann, Gregory A.; Turczynski, David. Open mold molding. USP2005056890478.
  12. Pearson, Terrence C.. Plastic expulsion process. USP2004076767487.
  13. Pearson, Terrence C.. Plastic expulsion process for forming hollow tubular products. USP2005106953546.
  14. Homann, Gregory A.; Turczynski, David. Plastic injection molded articles with hollow rib members. USP2005056890477.
  15. Homann, Gregory A.; Hendry, James; Turczynski, David. Plastic injection molding with moveable insert members. USP2005096939504.
  16. Homann, Gregory A.. Plastic injection molding with moveable mold members forming speaker grill. USP2005056899843.
  17. Thomas, Ronald. Process for gas assisted and water assisted injection molding. USP2003066579489.
  18. Thomas, Ronald. Process for gas assisted and water assisted injection molding. USP2005056896844.
  19. Thomas, Ronald. Process for pressure assisted molding of hollow articles. USP2004046716387.
  20. Matsumoto Masahito,JPX ; Funakoshi Satoru,JPX ; Matsubara Shigeyoshi,JPX. Process for producing thermoplastic resin hollow molded article. USP2000116146579.
  21. Shah Suresh D. (Troy MI) Wenzel Edward J. (Troy MI). Pulsating gas-assisted injection molding apparatus. USP1997065637328.
  22. Splain,William D.; Peota,Robert D.; Hennen,Alexandre; Cameron,Allan; Ryan,Mark T.; Pruitt, Jr.,David L.. Shopping cart. USP200812D582122.
  23. Splain, William D.; Peota, Robert D.; Hennen, Alexandre; Cameron, Allan; Ryan, Mark T.; Pruitt, Jr., David L.. Shopping cart base. USP201009D623374.
  24. Peota, Robert D.; Splain, William D.; Tharp, Robert D.. Shopping cart handle. USP200904D591474.
  25. Peota,Robert D.; Splain,William D.; Tharp,Robert D.. Shopping cart seat member. USP200903D588774.
  26. Peota,Robert D.; Splain,William D.; Tharp,Robert D.. Shopping cart support assembly. USP200903D588775.