JPH0442974B2 - - Google Patents

Info

Publication number
JPH0442974B2
JPH0442974B2 JP8345784A JP8345784A JPH0442974B2 JP H0442974 B2 JPH0442974 B2 JP H0442974B2 JP 8345784 A JP8345784 A JP 8345784A JP 8345784 A JP8345784 A JP 8345784A JP H0442974 B2 JPH0442974 B2 JP H0442974B2
Authority
JP
Japan
Prior art keywords
synthetic resin
pressure
resin pipe
bending
pipe
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
JP8345784A
Other languages
English (en)
Japanese (ja)
Other versions
JPS60225731A (ja
Inventor
Yoshiro Koyama
Tadao Ando
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.)
Mitsubishi Chemical Corp
Original Assignee
Mitsubishi Plastics Industries 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 Mitsubishi Plastics Industries Ltd filed Critical Mitsubishi Plastics Industries Ltd
Priority to JP8345784A priority Critical patent/JPS60225731A/ja
Publication of JPS60225731A publication Critical patent/JPS60225731A/ja
Publication of JPH0442974B2 publication Critical patent/JPH0442974B2/ja
Granted 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
    • B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
    • B29C53/80—Component parts, details or accessories; Auxiliary operations
    • B29C53/82—Cores or mandrels
    • 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
    • B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
    • B29C53/02—Bending or folding
    • B29C53/08—Bending or folding of tubes or other profiled members
    • B29C53/083—Bending or folding of tubes or other profiled members bending longitudinally, i.e. modifying the curvature of the tube axis
    • 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
    • B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
    • B29C53/80—Component parts, details or accessories; Auxiliary operations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2023/00—Tubular articles
    • B29L2023/22—Tubes or pipes, i.e. rigid

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
JP8345784A 1984-04-25 1984-04-25 合成樹脂管の曲げ加工法 Granted JPS60225731A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8345784A JPS60225731A (ja) 1984-04-25 1984-04-25 合成樹脂管の曲げ加工法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8345784A JPS60225731A (ja) 1984-04-25 1984-04-25 合成樹脂管の曲げ加工法

Publications (2)

Publication Number Publication Date
JPS60225731A JPS60225731A (ja) 1985-11-11
JPH0442974B2 true JPH0442974B2 (OSRAM) 1992-07-15

Family

ID=13802986

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8345784A Granted JPS60225731A (ja) 1984-04-25 1984-04-25 合成樹脂管の曲げ加工法

Country Status (1)

Country Link
JP (1) JPS60225731A (OSRAM)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008021294B4 (de) * 2008-04-29 2012-03-29 Preh Gmbh Verfahren zum Formen von Schläuchen

Also Published As

Publication number Publication date
JPS60225731A (ja) 1985-11-11

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