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Method of and apparatus for injection molding with pressurized-fluid assist

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • B29C-045/00
  • B29C-045/34
  • B29C-045/76
  • B29C-067/20
출원번호 US-0277233 (1988-12-01)
발명자 / 주소
  • Loren Norman S. (Warren MI)
출원인 / 주소
  • Michael Ladney (Sterling Heights MI 04)
인용정보 피인용 횟수 : 36  인용 특허 : 6

초록

An injection molding method and nozzle for use therein wherein first and second variable pressures are applied to a piston of a valve mechanism of the nozzle so that a differential fluid pressure on the piston causes a tip portion of the valve mechanism to alternately open and close. In this way, th

대표청구항

A method for making a structural foam article from a foamable resin having a softening point in an injection molding system including a pressurized fluid source, a mold having interior surfaces and an injection nozzle having a nozzle body for establishing a flow path for molten resin and a valve mea

이 특허에 인용된 특허 (6)

  1. Yasuike ; Akio ; Kataoka ; Hiroshi ; Fujikawa ; Tutomu ; Suzuki ; Naoto, Apparatus for injection molding synthetic resin materials.
  2. Yasuike Akio (Yokohama JA) Shibuya Takehiro (Yokohama JA) Toyouchi Kaoru (Yokohama JA) Imai Susumu (Kanagawa JA), Injection molding apparatus for forming a composite, foam-skin, article.
  3. Hendry James W. (Englewood TN), Injection molding nozzle.
  4. Friederich ; Ernst, Method for injection molding of hollow shaped bodies from thermoplastic resins.
  5. Yasuike ; Akio ; Kataoka ; Hiroshi ; Toyouchi ; Kaoru, Method for producing foamed moldings from synthetic resin materials.
  6. Kataoka Hiroshi (Tokyo JPX), Process for producing moldings.

이 특허를 인용한 특허 (36)

  1. Stumpf, William E.; Schoenfelder, Rodney C.; Chadwick, Donald; Keller, Carolyn; Coffield, Timothy P.; Sayers, Randy J.; Bruner, Jeffrey W.; Cammenga, Eric, Backrest.
  2. Stumpf, William E.; Schoenfelder, Rodney C.; Chadwick, Donald; Keller, Carolyn; Coffield, Timothy P.; Sayers, Randy J.; Bruner, Jeffrey W.; Miles, George A.; Cammenga, Eric; Crossman, Philip, Chair with a linkage assembly.
  3. Stumpf, William E.; Schoenfelder, Rodney C.; Chadwick, Donald; Maalouf, Carolyn; Coffield, Timothy P.; Sayers, Randy J.; Bruner, Jeffrey W.; Cammenga, Eric, Contoured seating structure.
  4. Blankenburg Karl, Gas assist injection molding apparatus and method with multiple temperature gas supply.
  5. McKaig, Andrew, Gas assist mold dump valve.
  6. Guergov Milko G., Gas assisted injection molding with controlled internal melt pressure.
  7. Guergov, Milko G., Gas assisted injection molding with controlled internal melt pressure.
  8. Seres, Tristan, Gas valve pin mechanism.
  9. Sanchez,Gary L., Health chair a dynamically balanced task chair.
  10. Guergov Milko G., Injection control system.
  11. Guergov Milko G. (615 Washington ; #5 Monroe MI 48161), Method and apparatus for injecting a molten material into a mold cavity.
  12. Splain, William D.; Peota, Robert D.; Hennen, Alexandre; Cameron, Allan; Ryan, Mark T.; Pruitt, Jr., David L., Method of assembling a shopping cart.
  13. DeCost, Norman, Method of molding a cart using molding processes.
  14. 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.
  15. Hori Yasunori,JPX, Method of producing molded resin product.
  16. Murphy John F., Mold for use in a gas-assisted injection molding system and runner shut-off subsystem for use therein.
  17. Habibi Naini,Sasan, Needle shut-off nozzle for an injection molding machine.
  18. Nelson William A. (New Baltimore MI), Nozzle for gas-assisted injection molding.
  19. Stumpf William E. ; Schoenfelder Rodney C. ; Chadwick Donald ; Keller Carolyn ; Coffield Timothy P. ; Sayers Randy J. ; Bruner Jeffrey W. ; Cammenga Eric, Office chair.
  20. William E. Stumpf ; Rodney C. Schoenfelder ; Donald Chadwick ; Carolyn Keller ; Timothy P. Coffield ; Randy J. Sayers ; Jeffrey W. Bruner ; George A. Miles ; Eric Cammenga ; Philip Crossman, Office chair.
  21. Hardgrove William, Pressure-activated gas injection valve for an injection molding apparatus.
  22. Stumpf William E. ; Schoenfelder Rodney C. ; Chadwick Donald ; Keller Carolyn ; Coffield Timothy P. ; Sayers Randy J. ; Bruner Jeffrey W. ; Cammenga Eric, Process for making an office chair.
  23. Curatolo Benedict S. ; Fox Thomas J., Radiation-curable release coating compositions.
  24. Stumpf, William E.; Schoenfelder, Rodney C.; Chadwick, Donald; Keller, Carolyn; Coffield, Timothy P.; Sayers, Randy J.; Bruner, Jeffrey W.; Cammenga, Eric, Seating structure having a backrest with a bowed section.
  25. Stumpf, William E.; Schoenfelder, Rodney C.; Chadwick, Donald; Keller, Carolyn; Coffield, Timothy P.; Sayers, Randy J.; Bruner, Jeffrey W.; Cammenga, Eric, Seating structure having a backrest with a flexible membrane and a moveable armrest.
  26. Stumpf, William E.; Schoenfelder, Rodney C.; Chadwick, Donald; Keller, Carolyn; Coffield, Timothy P.; Sayers, Randy U.; Bruner, Jeffrey W.; Cammenga, Eric, Seating structure having a fabric with a weave pattern.
  27. Splain,William D.; Peota,Robert D.; Hennen,Alexandre; Cameron,Allan; Ryan,Mark T.; Pruitt, Jr.,David L., Shopping cart.
  28. Splain, William D.; Peota, Robert D.; Hennen, Alexandre; Cameron, Allan; Ryan, Mark T.; Pruitt, Jr., David L., Shopping cart base.
  29. Peota, Robert D.; Splain, William D.; Tharp, Robert D., Shopping cart handle.
  30. Peota,Robert D.; Splain,William D.; Tharp,Robert D., Shopping cart seat member.
  31. Peota,Robert D.; Splain,William D.; Tharp,Robert D., Shopping cart support assembly.
  32. Dominka, John, Shutoff valve assembly.
  33. Stumpf, William E.; Schoenfelder, Rodney C.; Chadwick, Donald; Keller, Carolyn; Coffield, Timothy P.; Sayers, Randy J.; Bruner, Jeffrey W.; Cammenga, Eric, Support assembly for a seating structure.
  34. Sanchez, Gary L., Task chair.
  35. Sanchez,Gary L., Task chair.
  36. Stumpf William E. ; Schoenfelder Rodney C. ; Chadwick Donald ; Keller Carolyn ; Coffield Timothy P. ; Sayers Randy J. ; Bruner Jeffrey W. ; Cammenga Eric, Woven fabric membrane for a seating surface.
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