JPS5515293B2 - - Google Patents

Info

Publication number
JPS5515293B2
JPS5515293B2 JP3260872A JP3260872A JPS5515293B2 JP S5515293 B2 JPS5515293 B2 JP S5515293B2 JP 3260872 A JP3260872 A JP 3260872A JP 3260872 A JP3260872 A JP 3260872A JP S5515293 B2 JPS5515293 B2 JP S5515293B2
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
JP3260872A
Other languages
Japanese (ja)
Other versions
JPS48100468A (enrdf_load_stackoverflow
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 JP3260872A priority Critical patent/JPS5515293B2/ja
Publication of JPS48100468A publication Critical patent/JPS48100468A/ja
Publication of JPS5515293B2 publication Critical patent/JPS5515293B2/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
    • B29C48/336—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
    • B29C48/3363—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 using a layered die, e.g. stacked discs
    • 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)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
JP3260872A 1972-04-03 1972-04-03 Expired JPS5515293B2 (enrdf_load_stackoverflow)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3260872A JPS5515293B2 (enrdf_load_stackoverflow) 1972-04-03 1972-04-03

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3260872A JPS5515293B2 (enrdf_load_stackoverflow) 1972-04-03 1972-04-03

Publications (2)

Publication Number Publication Date
JPS48100468A JPS48100468A (enrdf_load_stackoverflow) 1973-12-18
JPS5515293B2 true JPS5515293B2 (enrdf_load_stackoverflow) 1980-04-22

Family

ID=12363557

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3260872A Expired JPS5515293B2 (enrdf_load_stackoverflow) 1972-04-03 1972-04-03

Country Status (1)

Country Link
JP (1) JPS5515293B2 (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1988005381A1 (en) * 1987-01-16 1988-07-28 The Dow Chemical Company A hollow light conductor, method and apparatus for manufacturing the same
JPH02118143A (ja) * 1988-10-27 1990-05-02 Du Pont Toray Co Ltd 弾性一重丸編地

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51106164A (enrdf_load_stackoverflow) * 1975-03-17 1976-09-20 Japan Steel Works Ltd
JPS6059132B2 (ja) * 1975-11-18 1985-12-24 凸版印刷株式会社 大型ブロー成形用多層パリソン成形装置
WO1988000125A1 (en) * 1986-06-26 1988-01-14 General Electric Company Modular extrusion head, method, intermediate product and product

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2790202A (en) * 1952-03-31 1957-04-30 Lorenian Zareh Method and apparatus for manufacturing pencils

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1988005381A1 (en) * 1987-01-16 1988-07-28 The Dow Chemical Company A hollow light conductor, method and apparatus for manufacturing the same
JPH02118143A (ja) * 1988-10-27 1990-05-02 Du Pont Toray Co Ltd 弾性一重丸編地

Also Published As

Publication number Publication date
JPS48100468A (enrdf_load_stackoverflow) 1973-12-18

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