JPS51106164A - - Google Patents

Info

Publication number
JPS51106164A
JPS51106164A JP50031079A JP3107975A JPS51106164A JP S51106164 A JPS51106164 A JP S51106164A JP 50031079 A JP50031079 A JP 50031079A JP 3107975 A JP3107975 A JP 3107975A JP S51106164 A JPS51106164 A JP S51106164A
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.)
Pending
Application number
JP50031079A
Other languages
Japanese (ja)
Inventor
Hiroyoshi Shiomi
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.)
NIPPON SEIKOSHO KK
Japan Steel Works Ltd
Original Assignee
NIPPON SEIKOSHO KK
Japan Steel Works 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 NIPPON SEIKOSHO KK, Japan Steel Works Ltd filed Critical NIPPON SEIKOSHO KK
Priority to JP50031079A priority Critical patent/JPS51106164A/ja
Publication of JPS51106164A publication Critical patent/JPS51106164A/ja
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
    • 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)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
JP50031079A 1975-03-17 1975-03-17 Pending JPS51106164A (el)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50031079A JPS51106164A (el) 1975-03-17 1975-03-17

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50031079A JPS51106164A (el) 1975-03-17 1975-03-17

Publications (1)

Publication Number Publication Date
JPS51106164A true JPS51106164A (el) 1976-09-20

Family

ID=12321410

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50031079A Pending JPS51106164A (el) 1975-03-17 1975-03-17

Country Status (1)

Country Link
JP (1) JPS51106164A (el)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS48100468A (el) * 1972-04-03 1973-12-18
JPS4945163A (el) * 1972-09-06 1974-04-30
JPS4931979B1 (el) * 1969-01-28 1974-08-27

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4931979B1 (el) * 1969-01-28 1974-08-27
JPS48100468A (el) * 1972-04-03 1973-12-18
JPS4945163A (el) * 1972-09-06 1974-04-30

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