JPH0376646B2 - - Google Patents

Info

Publication number
JPH0376646B2
JPH0376646B2 JP59043070A JP4307084A JPH0376646B2 JP H0376646 B2 JPH0376646 B2 JP H0376646B2 JP 59043070 A JP59043070 A JP 59043070A JP 4307084 A JP4307084 A JP 4307084A JP H0376646 B2 JPH0376646 B2 JP H0376646B2
Authority
JP
Japan
Prior art keywords
preform
thickness
intermediate layer
layer
gas barrier
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.)
Expired - Lifetime
Application number
JP59043070A
Other languages
English (en)
Japanese (ja)
Other versions
JPS60187513A (ja
Inventor
Naoteru Hirotomi
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.)
Mitsubishi Chemical Corp
Original Assignee
Mitsubishi Plastics Industries 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 Mitsubishi Plastics Industries Ltd filed Critical Mitsubishi Plastics Industries Ltd
Priority to JP59043070A priority Critical patent/JPS60187513A/ja
Publication of JPS60187513A publication Critical patent/JPS60187513A/ja
Publication of JPH0376646B2 publication Critical patent/JPH0376646B2/ja
Granted 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/30—Extrusion nozzles or dies
    • B29C48/32—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles
    • B29C48/335—Multiple annular extrusion nozzles in coaxial arrangement, e.g. for making multi-layered tubular articles
    • B29C48/336—Multiple annular extrusion nozzles in coaxial arrangement, e.g. for making multi-layered tubular articles the components merging one by one down streams in the die
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/16—Articles comprising two or more components, e.g. co-extruded layers
    • B29C48/18—Articles comprising two or more components, e.g. co-extruded layers the components being layers
    • B29C48/21—Articles comprising two or more components, e.g. co-extruded layers the components being layers the layers being joined at their surfaces
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/30—Extrusion nozzles or dies
    • B29C48/32—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles
    • B29C48/335—Multiple annular extrusion nozzles in coaxial arrangement, e.g. for making multi-layered tubular articles

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Laminated Bodies (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
JP59043070A 1984-03-07 1984-03-07 多層プリフォ−ム Granted JPS60187513A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP59043070A JPS60187513A (ja) 1984-03-07 1984-03-07 多層プリフォ−ム

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59043070A JPS60187513A (ja) 1984-03-07 1984-03-07 多層プリフォ−ム

Publications (2)

Publication Number Publication Date
JPS60187513A JPS60187513A (ja) 1985-09-25
JPH0376646B2 true JPH0376646B2 (en]) 1991-12-06

Family

ID=12653589

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59043070A Granted JPS60187513A (ja) 1984-03-07 1984-03-07 多層プリフォ−ム

Country Status (1)

Country Link
JP (1) JPS60187513A (en])

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4745013A (en) * 1983-04-13 1988-05-17 American National Can Company Multi-layer molded articles
JPS6299115A (ja) * 1985-10-25 1987-05-08 Mazda Motor Corp 多層パリソンの押出成形装置
US5186875A (en) * 1987-04-17 1993-02-16 Mazda Motor Corporation Method of manufacturing of a novel hollow multi-layer article
DE3831837A1 (de) * 1988-09-20 1990-03-22 Kautex Maschinenbau Gmbh Verfahren und vorrichtung zum herstellen von hohlkoerpern aus thermoplastischem kunststoff
DE3831836A1 (de) * 1988-09-20 1990-03-22 Kautex Maschinenbau Gmbh Verfahren und vorrichtung zum herstellen von hohlkoerpern aus thermoplastischem kunststoff
US5156857A (en) * 1988-11-23 1992-10-20 American National Can Company Extrusion die for extrusion blow molding equipment
FR2751913B1 (fr) * 1996-08-02 1998-10-30 Mesnel Procede et dispositif de fabrication par extrusion d'un profile a section variable localement, et profile ainsi realise
JP4547843B2 (ja) * 2001-08-30 2010-09-22 株式会社吉野工業所 二軸延伸ブロー成形壜体の一次成形品及び壜体

Also Published As

Publication number Publication date
JPS60187513A (ja) 1985-09-25

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