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 (enrdf_load_html_response
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 (enrdf_load_html_response)

Priority Applications (1)

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

Applications Claiming Priority (1)

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

Publications (2)

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

Family

ID=28719776

Family Applications (1)

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

Country Status (1)

Country Link
JP (1) JPS5538659Y2 (enrdf_load_html_response)

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 (enrdf_load_html_response) * 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

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4814672U (enrdf_load_html_response) * 1971-06-25 1973-02-19
JPS5137938B2 (enrdf_load_html_response) * 1971-12-29 1976-10-19

Also Published As

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

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