JPS5538659Y2 - - Google Patents

Info

Publication number
JPS5538659Y2
JPS5538659Y2 JP1976109875U JP10987576U JPS5538659Y2 JP S5538659 Y2 JPS5538659 Y2 JP S5538659Y2 JP 1976109875 U JP1976109875 U JP 1976109875U JP 10987576 U JP10987576 U JP 10987576U JP S5538659 Y2 JPS5538659 Y2 JP S5538659Y2
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
JP1976109875U
Other languages
Japanese (ja)
Other versions
JPS5328263U (de
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 JP1976109875U priority Critical patent/JPS5538659Y2/ja
Publication of JPS5328263U publication Critical patent/JPS5328263U/ja
Application granted granted Critical
Publication of JPS5538659Y2 publication Critical patent/JPS5538659Y2/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
    • B29C48/10—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels flexible, e.g. blown foils

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
JP1976109875U 1976-08-16 1976-08-16 Expired JPS5538659Y2 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1976109875U JPS5538659Y2 (de) 1976-08-16 1976-08-16

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1976109875U JPS5538659Y2 (de) 1976-08-16 1976-08-16

Publications (2)

Publication Number Publication Date
JPS5328263U JPS5328263U (de) 1978-03-10
JPS5538659Y2 true JPS5538659Y2 (de) 1980-09-10

Family

ID=28719776

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1976109875U Expired JPS5538659Y2 (de) 1976-08-16 1976-08-16

Country Status (1)

Country Link
JP (1) JPS5538659Y2 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4465449A (en) * 1982-12-06 1984-08-14 Borg-Warner Chemicals, Inc. Coextrusion feedblock for making lightweight, rigid thermoplastic pipe
JPS61196050A (ja) * 1985-02-26 1986-08-30 日本コンクリ−ト工業株式会社 偏心プレストレス合成桁
JPH0723638B2 (ja) * 1985-08-14 1995-03-15 オリエンタル建設株式会社 Ｐｃ中空構造部材
JPH0192412U (de) * 1987-12-11 1989-06-16
JPH0728270Y2 (ja) * 1990-03-26 1995-06-28 至郎 美坂 鉄筋用ｐｃコンクリートの柱

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4814672U (de) * 1971-06-25 1973-02-19
JPS4873463A (de) * 1971-12-29 1973-10-03

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4814672U (de) * 1971-06-25 1973-02-19
JPS4873463A (de) * 1971-12-29 1973-10-03

Also Published As

Publication number Publication date
JPS5328263U (de) 1978-03-10

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