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특허 상세정보

Process for the molding of plastic structural web and the resulting articles

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B32B-003/00    B29C-017/06   
미국특허분류(USC) 428/35 ; 264/504 ; 264/572 ; 428/166
출원번호 US-0705101 (1976-07-14)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 27  인용 특허 : 1

Process and resulting article are disclosed wherein plastic material is passed into a mold cavity; pressurizing fluid is injected into the plastic material under controlled pressure and at a controlled rate to cause the plastic material to flow out and assume the contour of the cavity, the gas pressure being maintained until the plastic material is self-supporting. The resulting article has an outer skin and a generally hollow center containing skin-connecting structural “webs”.


A molded structural web article of plastic material comprising a substantially continuous molded integral, strong, enveloping exterior skin having major sections and connecting side wall sections, a generally continuous hollow center therein, and a plurality of integral skin-connecting webs positioned in said hollow center and projecting from the interior of a side wall section into the hollow interior of said article to connect and support portions of the major sections of the structural web article, said skin-connecting webs not interconnecting with ea...

이 특허를 인용한 특허 피인용횟수: 27

  1. Hendry, James W.. Apparatus for making a twin-wall, internally corrugated plastic structural part with a smooth non-cellular skin. USP1985114555225.
  2. Nichols James M. ; Moore ; Jr. Roy E.. Corrugated leaching chamber with hollow ribbing. USP1998025716163.
  3. Daniels Vernon Arthur. Gas assisted injection molding system. USP1999126000925.
  4. Erikson Jon R.. Gas nozzle for a gas assisted injection molding system. USP1998105820889.
  5. Jolliffe, Garry Christopher; Pocknett, Chai Zachary; Ang, Sam Shehyee; Downs-Honey, Richard Alden; Bodoff, Matthew Evan. Housing components of handheld electronic devices. USP2016099451714.
  6. Baxi Indra R. (Troy MI). Injection molding apparatus for making a hollow object. USP1991055015166.
  7. Horikoshi Maki,JPX ; Tanaka Yuji,JPX ; Nishiura Keiji,JPX. Injection-molded hollow article, hollow injection molding method and metal mold therefor. USP1998125849377.
  8. Addeo Antonio,ITX ; Bacci Dino,ITX ; Bonvini Alberto,ITX. Injection-molded refrigerator liners. USP2001026190755.
  9. Sayer Matthew E. (Tamworth GB2). Method and apparatus for injection moulding. USP1990054923667.
  10. Kauer Hubert (Warren MI). Method and system for making a hollow-shaped body from molten resin by injection molding. USP1989054830812.
  11. Hendry James W. (Brooksville FL). Method for injection molding of plastic article. USP1997035607640.
  12. Hendry James W.. Method for injection molding utilizing a variable volume spill area within an article-defining mold cavity and article p. USP1999035885518.
  13. Stieler,Ulrich. Method for producing physically foamed injection moulded parts. USP2006027001549.
  14. Hendry James W. (Spring Hill FL). Method of injection molding with pressurized-fluid assist and variable-volume reservoir. USP1991075032345.
  15. Yamazaki Kunio (Takatsuki JPX) Watanabe Tetsuzi (Toyonaka JPX). Method of injection moulding. USP1990054923666.
  16. Hendry James W. (Spring Hill FL). Method of molding thermoplastic material. USP1990074944910.
  17. Winget Larry J. ; Murphy John F.. Mold for use in a gas-assisted injection molding system and gas pin assembly for use therein. USP2000046053720.
  18. Olabisi Olagoke (Plainfield NJ). Molded plastic structural web articles. USP1980114234642.
  19. Hendry, James; Homann, Gregory A.; Turczynski, David. Open mold molding. USP2005056890478.
  20. Pearson, Terrence C.. Plastic expulsion process. USP2004076767487.
  21. Pearson, Terrence C.. Plastic expulsion process for forming hollow tubular products. USP2005106953546.
  22. Homann, Gregory A.; Turczynski, David. Plastic injection molded articles with hollow rib members. USP2005056890477.
  23. Homann, Gregory A.; Hendry, James; Turczynski, David. Plastic injection molding with moveable insert members. USP2005096939504.
  24. Homann, Gregory A.. Plastic injection molding with moveable mold members forming speaker grill. USP2005056899843.
  25. Hendry James W. (Spring Hill FL) Cahan Geoffery D. (Little Kingshill GB2). Process and apparatus for injection moulding and mouldings produced thereby. USP1989044824732.
  26. Baxi Indra R. (Troy MI). Process of insection molding with pressurized gas assist. USP1990064935191.
  27. Hendry James W.. System for injection molding of plastic article utilizing a variable volume spill cavity. USP1998035728410.