JPS5649739B2 - - Google Patents

Info

Publication number
JPS5649739B2
JPS5649739B2 JP12766372A JP12766372A JPS5649739B2 JP S5649739 B2 JPS5649739 B2 JP S5649739B2 JP 12766372 A JP12766372 A JP 12766372A JP 12766372 A JP12766372 A JP 12766372A JP S5649739 B2 JPS5649739 B2 JP S5649739B2
Authority
JP
Japan
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
Application number
JP12766372A
Other languages
Japanese (ja)
Other versions
JPS4985149A (sv
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 filed Critical
Priority to JP12766372A priority Critical patent/JPS5649739B2/ja
Publication of JPS4985149A publication Critical patent/JPS4985149A/ja
Publication of JPS5649739B2 publication Critical patent/JPS5649739B2/ja
Expired 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
    • B29C48/337—Multiple annular extrusion nozzles in coaxial arrangement, e.g. for making multi-layered tubular articles the components merging at a common location
    • B29C48/338—Multiple annular extrusion nozzles in coaxial arrangement, e.g. for making multi-layered tubular articles the components merging at a common location using a die with concentric parts, e.g. rings, cylinders
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
JP12766372A 1972-12-21 1972-12-21 Expired JPS5649739B2 (sv)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12766372A JPS5649739B2 (sv) 1972-12-21 1972-12-21

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12766372A JPS5649739B2 (sv) 1972-12-21 1972-12-21

Publications (2)

Publication Number Publication Date
JPS4985149A JPS4985149A (sv) 1974-08-15
JPS5649739B2 true JPS5649739B2 (sv) 1981-11-25

Family

ID=14965633

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12766372A Expired JPS5649739B2 (sv) 1972-12-21 1972-12-21

Country Status (1)

Country Link
JP (1) JPS5649739B2 (sv)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6354634U (sv) * 1986-09-30 1988-04-12
JPH0235331Y2 (sv) * 1983-12-03 1990-09-25
JPH0584631U (ja) * 1992-04-20 1993-11-16 凸版印刷株式会社 包装用容器

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0235331Y2 (sv) * 1983-12-03 1990-09-25
JPS6354634U (sv) * 1986-09-30 1988-04-12
JPH0584631U (ja) * 1992-04-20 1993-11-16 凸版印刷株式会社 包装用容器

Also Published As

Publication number Publication date
JPS4985149A (sv) 1974-08-15

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