JPS48100468A - - Google Patents

Info

Publication number
JPS48100468A
JPS48100468A JP47032608A JP3260872A JPS48100468A JP S48100468 A JPS48100468 A JP S48100468A JP 47032608 A JP47032608 A JP 47032608A JP 3260872 A JP3260872 A JP 3260872A JP S48100468 A JPS48100468 A JP S48100468A
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.)
Granted
Application number
JP47032608A
Other versions
JPS5515293B2 (ja
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 (ja)

Priority Applications (1)

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

Applications Claiming Priority (1)

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

Publications (2)

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

Family

ID=12363557

Family Applications (1)

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

Country Status (1)

Country Link
JP (1) JPS5515293B2 (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51106164A (ja) * 1975-03-17 1976-09-20 Japan Steel Works Ltd
JPS5262375A (en) * 1975-11-18 1977-05-23 Toppan Printing Co Ltd Device for large blow molding multiilayer parison
JPH0649317B2 (ja) * 1986-06-26 1994-06-29 ゼネラル・エレクトリック・カンパニイ モジュラー押出ヘッド

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4806289A (en) * 1987-01-16 1989-02-21 The Dow Chemical Company Method of making a hollow light pipe
JPH02118143A (ja) * 1988-10-27 1990-05-02 Du Pont Toray Co Ltd 弾性一重丸編地

Citations (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

Patent Citations (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 (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51106164A (ja) * 1975-03-17 1976-09-20 Japan Steel Works Ltd
JPS5262375A (en) * 1975-11-18 1977-05-23 Toppan Printing Co Ltd Device for large blow molding multiilayer parison
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
JPH0649317B2 (ja) * 1986-06-26 1994-06-29 ゼネラル・エレクトリック・カンパニイ モジュラー押出ヘッド

Also Published As

Publication number Publication date
JPS5515293B2 (ja) 1980-04-22

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