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Method for extruding cellular thermoplastic products 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • B29D-027/00
  • B29F-003/10
출원번호 US-0440412 (1974-02-07)
발명자 / 주소
  • Taylor John James (Northampton Township
  • Bucks County PA)
출원인 / 주소
  • Western Electric Company, Inc. (New York NY 02)
인용정보 피인용 횟수 : 37  인용 특허 : 0

초록

A product comprising a cellular plastic material is extruded from a modified conventional extrusion head by injecting a gaseous expanding medium into advancing fluent plastic material through porous material forming at least a portion of a section of the core tube in an extrusion chamber. By control

대표청구항

A method of providing a layer of thermoplastic material, including at least a cellular portion, around a wire, said method comprising: a. providing an extrusion hEad having an inlet opening, a longitudinal axis extending therethrough, and an outlet opening; b. providing a core tube extending longitu

이 특허를 인용한 특허 (37)

  1. Scheidecker,Ralf; Reinhard,Horst; Schwirblies,Peter; Armstrong,Hal; Aitken,Hal, Cable with an external extruded sheath and method of manufacturing of the cable.
  2. Bonvin,Pierre Yves; Evangelisti,Giancarlo; Gerhard,Philippe, Capacitance controlling process.
  3. Wickhorst, Dave; Stutzman, Spring; Stutzman, Jeff; Juengst, Scott; Johnston, Fred; Dickman, Jim L.; Kenny, Robert, Communication wire.
  4. Wiekhorst, David; Kenny, Robert; Stutzman, Jeff; Dickman, Jim L.; Juengst, Scott; Johnston, Fred; Stutzman, Spring, Communication wire.
  5. Wiekhorst, David; Kenny, Robert; Stutzman, Jeff; Dickman, Jim L.; Juengst, Scott; Johnston, Fred; Stutzman, Spring, Communication wire.
  6. Wiekhorst, David; Kenny, Robert; Stutzman, Jeff; Dickman, Jim L.; Juengst, Scott; Johnston, Fred; Stutzman, Spring, Communication wire.
  7. Wiekhorst, David; Kenny, Robert; Stutzman, Jeff; Dickman, Jim L.; Juengst, Scott; Johnston, Fred; Stutzman, Spring, Communication wire.
  8. Wiekhorst, David; Kenny, Robert; Stutzman, Jeff; Dickman, Jim L.; Juengst, Scott; Johnston, Fred; Stutzman, Spring, Communication wire.
  9. Wiekhorst, David; Stutzman, Spring; Stutzman, Jeff; Juengst, Scott Avery; Johnston, Frederick W.; Dickman, Jim L.; Kenny, Robert, Communication wire.
  10. Wiekhorst, David; Stutzman, Spring; Stutzman, Jeff; Juengst, Scott Avery; Johnston, Frederick W.; Dickman, Jim L.; Kenny, Robert, Communication wire.
  11. Wiekhorst,David; Kenny,Robert, Communication wire.
  12. Wiekhorst,David; Kenny,Robert; Stutzman,Jeff; Dickman,Jim L.; Juengst,Scott; Johnston,Fred; Stutzman,Spring, Communication wire.
  13. Wiekhorst,David; Stutzman,Spring; Stutzman,Jeff; Juengst,Scott; Johnston,Fred; Dickman,Jim L.; Kenny,Robert, Communication wire.
  14. Wiekhorst,David; Stutzman,Spring; Stutzman,Jeff; Juengst,Scott; Johnston,Fred; Dickman,Jim L.; Kenny,Robert, Communication wire.
  15. Wiekhorst,David; Stutzman,Spring; Sutzman,Jeff; Juengst,Scott; Johnston,Fred; Dickman,Jim L.; Kenny,Robert, Communication wire.
  16. McIntyre William D. ; Alire Roderick R. ; Clazie Ronald N., Composition and blowing agent for making foamed polyethylene material.
  17. Schlummer,Christian, Device for producing physically expanded structural foams during an injection molding process involving the use of dynamic mixing elements.
  18. Simpson, John T.; Cunningham, Joseph P.; D'Urso, Brian R.; Hendricks, Troy R.; Schaeffer, Daniel A., Electrically isolated, high melting point, metal wire arrays and method of making same.
  19. Lee Shau-Tarng, Extruded polyolefin foam in thicker grades and plank and process therefor.
  20. Reed, Donald A.; Lunk, Hans E., Foamed fluoropolymer articles having low loss at microwave frequencies and a process for their manufacture.
  21. Kanotz William M. (Baldwin MD), Hybrid apparatus for insulating conductors.
  22. Habibi Naini,Sasan; Pfannschmidt,Oliver; Schlummer,Christian, Injection molding machine and injection molding method for manufacturing foamed shaped parts.
  23. Hunerberg Edward C. (Tecumseh MI), Method and apparatus for injection molding plastic articles having solid exterior surfaces and porous interior cores.
  24. McIntyre William D. ; Alire Roderick R. ; Clazie Ronald N., Method and composition for making foamed polyethylene material.
  25. Landgraf Helmut (Duisburg DEX) Stucke Walter (Ratingen DEX), Method and device for jacketing a steel pipe with several plastic materials.
  26. Schlienkamp Hubert (Witten DEX), Method and system for sealing the edges of insulating-glass panels.
  27. Knaus Dennis A. (West Barnstaple MA), Method for making multicolored foam.
  28. Roe ; Norman P., Method of making a strain member for use in an electromechanical cable.
  29. Hanning ; Robert, Method of making thermoplastic articles with porous cores.
  30. Stutzman, Spring; Wiekhorst, Dave; Johnston, Frederick W.; Patel, Kamlesh, Multi-pair cable with channeled jackets.
  31. Stutzman,Spring; Wiekhorst,Dave; Johnston,Fred; Patel,Kamlesh, Multi-pair cable with channeled jackets.
  32. Chen, Ligin; Blizard, Kent; Kim, Roland; Burnham, Ted, Polymer processing system and apparatus.
  33. Shimano Takashi (Ichihara JPX) Masukata Yoshimasa (Ichihara JPX) Sato Hiromitsu (Ichihara JPX), Process of producing a foamed plastic insulated conductor and an apparatus therefor.
  34. Wiekhorst, David, Telecommunication wire with low dielectric constant insulator.
  35. Juengst, Scott Avery, Telecommunications wire having a channeled dielectric insulator and methods for manufacturing the same.
  36. Juengst, Scott Avery, Telecommunications wire having a channeled dielectric insulator and methods for manufacturing the same.
  37. Juengst, Scott Avery, Telecommunications wire having a channeled dielectric insulator and methods for manufacturing the same.
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