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Process for injection molding and hollow plastic article produced thereby 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • B29C-045/00
  • B29C-045/34
  • B29D-022/00
출원번호 US-0217175 (1988-07-11)
발명자 / 주소
  • Hendry James W. (Brooksville FL)
출원인 / 주소
  • Milad Limited Partnership (Naples FL 02)
인용정보 피인용 횟수 : 42  인용 특허 : 0

초록

A process for injection molding hollow plastic articles includes the steps of sequentially injecting fluent plastic and gas into a mold cavity. A quantity of fluent plastic is initially injected to substantially fill the mold cavity. A charge of pressurized gas is then injected into the mold cavity

대표청구항

A process for injection molding a hollow plastic article comprising the steps of: injecting a quantity of fluent plastic into a mold cavity having a shape defining at least a portion of the article; displacing a portion of the plastic from the mold cavity into a spill cavity flow coupled to the mold

이 특허를 인용한 특허 (42)

  1. Gosdin Michael,DEX, Apparatus for producing hollow plastic objects with pressurized gas injection after overflow cut-off.
  2. Jeffs, Joseph H., Beverage bottle.
  3. Mori,Tatsuro, Cowl cover with integrated washer fluid passageway.
  4. Blankenburg Karl, Gas assist injection molding apparatus and method with multiple temperature gas supply.
  5. Guergov Milko G., Gas assisted injection molding with controlled internal melt pressure.
  6. Erikson Jon R., Gas nozzle assembly for a gas assisted injection molding system.
  7. Erikson Jon R., Gas nozzle for a gas assisted injection molding system.
  8. Nunnery, Len; Zappitelli, Francis; Riddle, Jody, Gas-assisted injection molding of thermosetting polymers.
  9. Guergov Milko G., Injection control system.
  10. Guergov Milko G., Method and apparatus for injecting a molten material into a mold cavity.
  11. Guergov Milko G. (615 Washington ; #5 Monroe MI 48161), Method and apparatus for injecting a molten material into a mold cavity.
  12. Tatham Glenn L., Method and apparatus for plastic injection molding flow control.
  13. De'ath Roderick Michael,GBX, Method and apparatus for preventing sink marks in the injection moulding of thermoplastic polymers.
  14. Gosdin Michael,DEX, Method and apparatus for producing hollow plastic objects with pressurized gas injection after overflow cut-off.
  15. Hendry James W. (Brooksville FL), Method for injection molding of plastic article.
  16. Hendry James W., Method for injection molding utilizing a variable volume spill area within an article-defining mold cavity and article p.
  17. Driessen Marcellis H. J.,NLX ; Lock Willem,NLX, Method for injection-moulding a hollow product using a pressure variation between two gas volumes.
  18. Erikson Jon R. (Rochester Hills MI), Method for providing selective control of a gas assisted plastic injection apparatus.
  19. Splain, William D.; Peota, Robert D.; Hennen, Alexandre; Cameron, Allan; Ryan, Mark T.; Pruitt, Jr., David L., Method of assembling a shopping cart.
  20. Ohtake, Shinichi; Tamura, Tatsuya, Method of manufacturing windows having an integral hollow body frame member.
  21. 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.
  22. Betters James E. ; Smith Michael, Method of using a sequential fill valve gated injection molding system.
  23. Murphy John F. ; Porter Randolph S., Mold for use in a gas-assisted injection molding system and adjustable overflow pin assembly for use therein.
  24. Murphy John F., Mold for use in a gas-assisted injection molding system and ejector pin subsystem including a blocking pin assembly for use therein.
  25. Murphy John F. ; Porter Randolph S., Mold for use in a gas-assisted injection molding system and ejector pin subsystem including a split pin for use therein.
  26. Murphy John F., Mold for use in a gas-assisted injection molding system and runner shut-off subsystem for use therein.
  27. Kurihara Tsuneo (Sayama JPX) Kusaka Katsushige (Sayama JPX) Ichikawa Teruo (Sayama JPX) Tanaka Hiromi (Sayama JPX) Higashi Toshiyuki (Sayama JPX), Molding apparatus for producing synthetic resin molded product.
  28. Darius J. Preisler ; Jason T. Murar ; Bradley Kusky, Motor vehicle trim assembly including a hollow plastic panel for a side impact inflatable air bag system.
  29. Kownacki, Charles D.; Mansfield, Stephen T.; Lawson, Craig J; Crooks, Charline W., One-piece injection molded window frame and sash.
  30. Hendry, James; Homann, Gregory A.; Turczynski, David, Open mold molding.
  31. Pearson, Terrence C., Plastic expulsion process.
  32. Pearson, Terrence C., Plastic expulsion process for forming hollow tubular products.
  33. Homann, Gregory A.; Turczynski, David, Plastic injection molded articles with hollow rib members.
  34. Homann, Gregory A.; Hendry, James; Turczynski, David, Plastic injection molding with moveable insert members.
  35. Homann, Gregory A., Plastic injection molding with moveable mold members forming speaker grill.
  36. Dickson Floyd R.,CAX ; Mallia Lino C., Process for making a vehicle grille guard.
  37. Vecchiarino Luigi,ITX ; Siano Dante,ITX, Process for the manufacture of trim panels for motorvehicles.
  38. Shah Suresh D. (Troy MI) Wenzel Edward J. (Troy MI), Pulsating gas-assisted injection molding apparatus.
  39. Hirose Toshio,JPX, Rocker panel construction.
  40. Dickson Floyd R.,CAX ; Mallia Lino C., Structural web automotive grill guard.
  41. Fernandez Vernon ; Seres Eric J., Valve-gate bushing for gas-assisted injection molding.
  42. Ohtake Shinichi,JPX ; Tamura Tatsuya,JPX, Windows for automobiles and the like.
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