JPS5515861A - Multi-layer hollow body and manufacturing method - Google Patents

Multi-layer hollow body and manufacturing method

Info

Publication number
JPS5515861A
JPS5515861A JP8938278A JP8938278A JPS5515861A JP S5515861 A JPS5515861 A JP S5515861A JP 8938278 A JP8938278 A JP 8938278A JP 8938278 A JP8938278 A JP 8938278A JP S5515861 A JPS5515861 A JP S5515861A
Authority
JP
Japan
Prior art keywords
parison
relief face
metallic mold
caught
layer
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP8938278A
Other languages
Japanese (ja)
Inventor
Tomomasu Nagai
Sumio Nagai
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
KIYOOKURA KK
Kyoraku Co Ltd
Original Assignee
KIYOOKURA KK
Kyoraku Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by KIYOOKURA KK, Kyoraku Co Ltd filed Critical KIYOOKURA KK
Priority to JP8938278A priority Critical patent/JPS5515861A/en
Publication of JPS5515861A publication Critical patent/JPS5515861A/en
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/42—Component parts, details or accessories; Auxiliary operations
    • B29C49/48—Moulds
    • B29C49/4802—Moulds with means for locally compressing part(s) of the parison in the main blowing cavity
    • B29C49/4817—Moulds with means for locally compressing part(s) of the parison in the main blowing cavity with means for closing off parison ends
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/22—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor using multilayered preforms or parisons

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)

Abstract

PURPOSE:To form a pinch-off section of a multi-layer hollow body substantially flat by pushing out a placticised multi-layer parison, holding this multi-layer parison in a metallic mold, consisting of 2 divided parts facing each other, and forming it by blow forming process. CONSTITUTION:A multi-layer parison 6, prior to being caught between cutting blades 12 and 13 formed on metallic molds 7 and 8, is caught between a projected strip 16 provided on one relief face 14 and the other relief face 15. And at the stage when the metallic mold is closed to such an extent that the top surface of the projected strip 16 becomes level with the relief face 15, the parison 6 is separated toward cavity side and outside by the projected strip 16's top surface and the relief face 15. Further, by closing of the metallic mold, the parison 6 is caught and squeezed between the cutting blades 12 and 13, and by conducting blow forming process after complete closing of the metallic mold, a pinch-off section 5 becomes able to be formed into a flat shape.
JP8938278A 1978-07-24 1978-07-24 Multi-layer hollow body and manufacturing method Pending JPS5515861A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8938278A JPS5515861A (en) 1978-07-24 1978-07-24 Multi-layer hollow body and manufacturing method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8938278A JPS5515861A (en) 1978-07-24 1978-07-24 Multi-layer hollow body and manufacturing method

Publications (1)

Publication Number Publication Date
JPS5515861A true JPS5515861A (en) 1980-02-04

Family

ID=13969113

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8938278A Pending JPS5515861A (en) 1978-07-24 1978-07-24 Multi-layer hollow body and manufacturing method

Country Status (1)

Country Link
JP (1) JPS5515861A (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0308668A2 (en) * 1987-09-22 1989-03-29 Daimler-Benz Aktiengesellschaft Multilayered coextrusion-blow-moulded plastics container
JPH04290724A (en) * 1991-03-20 1992-10-15 Nissan Motor Co Ltd Blow molding apparatus
EP0756928A1 (en) * 1995-02-16 1997-02-05 Yoshino Kogyosho Co., Ltd. Blown container and blow mold
JP2002187294A (en) * 2000-10-05 2002-07-02 Canon Inc Liquid storing container, method for manufacturing the container, and mold used for the method
WO2007008651A2 (en) * 2005-07-08 2007-01-18 Graham Packaging Company, L.P. Mold knife preservation system and method
EP1803541A1 (en) * 2004-09-30 2007-07-04 Yoshino Kogyosho Co., Ltd. Blow molded container
JP2018108824A (en) * 2016-12-28 2018-07-12 株式会社吉野工業所 Double container

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0308668A2 (en) * 1987-09-22 1989-03-29 Daimler-Benz Aktiengesellschaft Multilayered coextrusion-blow-moulded plastics container
JPH04290724A (en) * 1991-03-20 1992-10-15 Nissan Motor Co Ltd Blow molding apparatus
EP0756928A1 (en) * 1995-02-16 1997-02-05 Yoshino Kogyosho Co., Ltd. Blown container and blow mold
EP0756928A4 (en) * 1995-02-16 1999-01-20 Yoshino Kogyosho Co Ltd Blown container and blow mold
JP2002187294A (en) * 2000-10-05 2002-07-02 Canon Inc Liquid storing container, method for manufacturing the container, and mold used for the method
EP1803541A1 (en) * 2004-09-30 2007-07-04 Yoshino Kogyosho Co., Ltd. Blow molded container
EP1803541A4 (en) * 2004-09-30 2009-12-23 Yoshino Kogyosho Co Ltd Blow molded container
WO2007008651A2 (en) * 2005-07-08 2007-01-18 Graham Packaging Company, L.P. Mold knife preservation system and method
WO2007008651A3 (en) * 2005-07-08 2007-07-19 Graham Packaging Co Mold knife preservation system and method
JP2018108824A (en) * 2016-12-28 2018-07-12 株式会社吉野工業所 Double container

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