JPS621814B2 - - Google Patents

Info

Publication number
JPS621814B2
JPS621814B2 JP56181652A JP18165281A JPS621814B2 JP S621814 B2 JPS621814 B2 JP S621814B2 JP 56181652 A JP56181652 A JP 56181652A JP 18165281 A JP18165281 A JP 18165281A JP S621814 B2 JPS621814 B2 JP S621814B2
Authority
JP
Japan
Prior art keywords
film
wall layer
tube wall
curved
tube
Prior art date
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
JP56181652A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5882721A (ja
Inventor
Hisao Morimoto
Toshiaki Shirakawa
Hiroshi Ishida
Takashi Shimizu
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.)
Sekisui Chemical Co Ltd
Original Assignee
Sekisui Chemical Co 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 Sekisui Chemical Co Ltd filed Critical Sekisui Chemical Co Ltd
Priority to JP56181652A priority Critical patent/JPS5882721A/ja
Publication of JPS5882721A publication Critical patent/JPS5882721A/ja
Publication of JPS621814B2 publication Critical patent/JPS621814B2/ja
Granted legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C53/00Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
    • B29C53/56Winding and joining, e.g. winding spirally
    • B29C53/58Winding and joining, e.g. winding spirally helically
    • B29C53/581Winding and joining, e.g. winding spirally helically using sheets or strips consisting principally of plastics material
    • B29C53/582Winding and joining, e.g. winding spirally helically using sheets or strips consisting principally of plastics material comprising reinforcements, e.g. wires, threads
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C53/00Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
    • B29C53/02Bending or folding
    • B29C53/08Bending or folding of tubes or other profiled members
    • B29C53/083Bending or folding of tubes or other profiled members bending longitudinally, i.e. modifying the curvature of the tube axis
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C53/00Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
    • B29C53/80Component parts, details or accessories; Auxiliary operations
    • B29C53/82Cores or mandrels
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C61/00Shaping by liberation of internal stresses; Making preforms having internal stresses; Apparatus therefor
    • B29C61/006Shaping by liberation of internal stresses; Making preforms having internal stresses; Apparatus therefor the force created by the liberation of the internal stresses being used for compression moulding or for pressing preformed material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29LINDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2023/00Tubular articles
    • B29L2023/22Tubes or pipes, i.e. rigid
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29LINDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00Other particular articles
    • B29L2031/24Pipe joints or couplings
    • B29L2031/243Elbows

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
  • Moulding By Coating Moulds (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
JP56181652A 1981-11-11 1981-11-11 強化樹脂曲管の成形方法 Granted JPS5882721A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56181652A JPS5882721A (ja) 1981-11-11 1981-11-11 強化樹脂曲管の成形方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56181652A JPS5882721A (ja) 1981-11-11 1981-11-11 強化樹脂曲管の成形方法

Publications (2)

Publication Number Publication Date
JPS5882721A JPS5882721A (ja) 1983-05-18
JPS621814B2 true JPS621814B2 (US07943777-20110517-C00090.png) 1987-01-16

Family

ID=16104483

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56181652A Granted JPS5882721A (ja) 1981-11-11 1981-11-11 強化樹脂曲管の成形方法

Country Status (1)

Country Link
JP (1) JPS5882721A (US07943777-20110517-C00090.png)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10305481A (ja) * 1997-05-07 1998-11-17 Sapporo Sanki Kk Frp製曲管の製造方法
CN110815797A (zh) * 2019-09-26 2020-02-21 宜宾天亿新材料科技有限公司 Pvc-o管弯头的制作方法及用于制作pvc-o管弯头的弯头模具

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7758785B2 (en) * 2002-12-27 2010-07-20 National University Of Singapore Fiber reinforced composite and methods of forming the same
PT1779995E (pt) * 2005-10-31 2009-06-04 Eugene Hong Cana composta e método para fabricar a mesma
CN100455190C (zh) * 2006-07-20 2009-01-28 宁波羚祐渔具有限公司 钓竿的竿体及其制造方法

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10305481A (ja) * 1997-05-07 1998-11-17 Sapporo Sanki Kk Frp製曲管の製造方法
CN110815797A (zh) * 2019-09-26 2020-02-21 宜宾天亿新材料科技有限公司 Pvc-o管弯头的制作方法及用于制作pvc-o管弯头的弯头模具
CN110815797B (zh) * 2019-09-26 2021-04-20 宜宾天亿新材料科技有限公司 Pvc-o管弯头的制作方法及用于制作pvc-o管弯头的弯头模具

Also Published As

Publication number Publication date
JPS5882721A (ja) 1983-05-18

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