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Method for making multi-layer plastic preform for blow molding 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • B29C-049/22
  • B65D-001/02
  • B32B-027/36
  • B29K-067/00
출원번호 US-0903447 (1997-07-30)
발명자 / 주소
  • Slat William A.
출원인 / 주소
  • Plastipak Packaging, Inc.
대리인 / 주소
    Brooks & Kushman P.C.
인용정보 피인용 횟수 : 3  인용 특허 : 37

초록

A method for making a multi-layer plastic preform 14 with an inner layer 28 that is extrusion blow molded from a resin having an intrinsic viscosity greater than 0.90, and an outer layer 44 that is injection molded around the inner layer from a resin having an intrinsic viscosity that is at least 0.

대표청구항

[ What is claimed is:] [1.] A method for making a multi-layer plastic preform for blow molding a container, comprising:extruding a resin having an intrinsic viscosity greater than 0.90 as a parison of a tubular shape;blow molding the parison to provide an inner layer that is no greater than 20% by w

이 특허에 인용된 특허 (37)

  1. Kushida Hideo (Yachiyo JPX) Itakura Takeshi (Tokyo JPX), Article of polyethylene terephthalate resin.
  2. Krishnakumar Suppayan M. (Nashua) Collette Wayne N. (Merrimack) Nahill Thomas E. (Amherst NH), Blow mold for forming a refillable polyester container.
  3. Okudaira Tadashi (Otsu JPX) Tsuboi Akio (Otsu JPX) Hama Yoshihisa (Otsu JPX) Hara Mamoru (Otsu JPX), Blow-molded multi-ply vessel.
  4. Valyi ; Emery I., Composite plastic container.
  5. Stibal Werner (Trimmis CHX) Kaegi Werner (Domat/Ems CHX) Ensinger Joachim (Thusis CHX) Nothhelfer Klaus (Thusis CHX), Condensation injection molding process for producing bottle preforms of polyethylene terephthalate and/or its copolyeste.
  6. Hashimoto Mikio (Iwakuni JPX) Kaneshige Norio (Iwakuni JPX), Copolyester having gas-barrier property.
  7. Hashimoto Mikio (Iwakuni JPX) Kaneshige Norio (Iwakuni JPX), Copolyester, polyester composition containing the copolyester, and polyester laminated structure having layer composed o.
  8. Edelman Robert (Staten Island NY) Berardinelli Frank M. (Millington NJ) Wissbrun Kurt F. (Short Hills NJ), Extrusion grade polyethylene terephthalate.
  9. Tanaka Katsuji (Machida JPX) Matsumoto Hitoshi (Machida JPX) Hirahara Takuji (Kawasaki JPX) Kishiro Osamu (Atsugi JPX), Hollow container and stretched film made of a copolyester.
  10. Nohara Shigezo (Yokohama JPX) Sugimoto Takeshi (Yokohama JPX) Sakano Kozaburo (Kawasaki JPX) Ohkubo Yoshimichi (Fujisawa JPX) Matsuo Junichi (Yokohama JPX), Laminate preform for a multi-layer polyester bottle.
  11. Schrenk Walter J. (Midland MI) Roehrs Herbert C. (Beaverton MI) Shastri Ranganath K. (Midland MI) Ayres Ralph E. (Midland MI) Barger Mark A. (Midland MI) Bremmer Jeffrey N. (Midland MI), Method and apparatus for producing multilayer plastic articles.
  12. Niimi Hiroji (Kuga JPX) Satake Takashi (Kuga JPX) Tomita Kunio (Kuga JPX), Method for molding saturated crystalline polyesters.
  13. Niimi Hiroji (Yamaguchi JPX) Satake Takashi (Yamaguchi JPX) Tomita Kunio (Yamaguchi JPX), Method for molding saturated crystalline polyesters and molding equipment therefor.
  14. Valyi ; Emery I., Method for obtaining multilayered hollow plastic article.
  15. Collette Wayne N. (Merrimack NH) Nahill Thomas E. (Amherst NH) Krishnakumar Suppayan M. (Nashua NH), Method of cooling multilayer preforms.
  16. Collette Wayne N. (Merrimack NH) Krishnakumar Suppayan M. (Nashua NH) Lin Chih C. (Nashua NH), Method of forming a container having a low crystallinity.
  17. Slat William A. (Brooklyn MI) Darr Richard C. (Seville OH), Method of making multi-layer preform used for plastic blow molding.
  18. Valyi ; Emery I., Method of making multilayered containers.
  19. Yamada, Tsutoo; Morizumi, Kenichi; Kamegai, Yuji; Kanno, Yasushi; Shibuya, Takemi, Multi-layer parison, multi-layer bottle and apparatus for and method of manufacturing parison and bottle.
  20. Nohara Shigezo (Yokohama JPX), Multi-layer preform for draw-blow forming a bottle.
  21. Slat William A. ; Darr Richard C., Multi-layer preform used for plastic blow molding.
  22. Okudaira Tadashi (Otsu JPX) Tsuboi Akio (Otsu JPX) Sugihara Shigeharu (Otsu JPX) Hama Yoshihisa (Otsu JPX), Multi-ply vessel and method for production thereof.
  23. Ajmera Prakash R. (Toledo OH), Multilayer biaxially oriented heat set articles.
  24. Klerks Thomas M. (Bergen op Zoom MA NLX) Thayer Robert S. (Pittsfield MA) Willard G. Fred (Parkersburg WV) Dunton Thomas P. (Lebanon Springs NY) Young John H. C. (Jisp NLX), Multilayer container of polycarbonate and amorphous polyamide of improved barrier and stress crack resistant properties.
  25. Schmidt Steven L. ; Krishnakumar Suppayan M. ; Collette Wayne N., Multilayer container resistant to elevated temperatures and pressures, and method of making the same.
  26. Mihalich James M. (Rexford NY), Multilayered articles formed by coextrusion of polycarbonate and polyester.
  27. Shimizu Senzo (Odawara JPX) Momose Yoshiaki (Hadano JPX) Yoshida Yozo (Hiratsuka JPX), Multilayered container.
  28. Shimizu Senzo (Odawara JPX) Nagano Mitsuyasu (Hiratsuka JPX) Ishizeki Tsutomu (Hiratsuka JPX) Momose Yoshiaki (Hadano JPX), Multilayered container.
  29. Shimizu Senzo (Odawara JPX) Momose Yoshiaki (Hadano JPX) Yoshida Yozo (Hiratsuka JPX) Ohta Takao (Hiratsuka JPX), Parison and blow-molded container and processes for production thereof.
  30. Valyi Emery I. (5200 Sycamore Ave. Riverdale NY 10471), Plastic article and method for making same.
  31. Taira Kazuo (Tokyo JPX) Sakamoto Akira (Yokohama JPX) Yamada Muneki (Fujisawa JPX) Aizawa Masanori (Yokohama JPX) Ueno Hiroshi (Yokosuka JPX), Plastic laminate structure and vessel.
  32. Collette Wayne N. (Merrimack NH) Krishnakumar Suppayan M. (Nashua NH), Plastic preform having reinforced container base forming portion and container formed therefrom.
  33. Yatsu Tadao (Iwakuni JPX) Akana Yoshinori (Iwakuni JPX), Polyester composition, molded polyester laminate and use thereof.
  34. Hashimoto Mikio (Ootake JPX) Niimi Hiroji (Iwakuni JPX) Yatsu Tadao (Iwakuni JPX) Shiraki Shigemi (Iwakuni JPX), Polyethylene terephthalate and uses thereof.
  35. Nilsson Claes T. (Lddekpinge SEX), Preform of a thermoplastic.
  36. Collette Wayne N. (Merrimack NH), Refillable polyester beverage bottle and preform for forming same.
  37. Nilsson Torsten (Loddekopinge SEX) Jakobsen Kjell M. (Skanor SEX), Thermoplastic container having a ring-shaped reinforcing zone at its bottom.

이 특허를 인용한 특허 (3)

  1. Chen,Chi Chin; Kezios,Peter S.; Codd,Helen; Buchanan,Karl, Manufacturing method of co-polyester resins for clear mono-layer containers with improved gas barrier characteristics.
  2. Slat William A., Multi-layer plastic preform for blow molding.
  3. Schmidt, Steven L.; Krishnakumar, Suppayan M.; Collette, Wayne N., Multilayer container resistant to elevated temperatures and pressures, and method of making the same.
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