JPS6360698B2 - - Google Patents

Info

Publication number
JPS6360698B2
JPS6360698B2 JP12213882A JP12213882A JPS6360698B2 JP S6360698 B2 JPS6360698 B2 JP S6360698B2 JP 12213882 A JP12213882 A JP 12213882A JP 12213882 A JP12213882 A JP 12213882A JP S6360698 B2 JPS6360698 B2 JP S6360698B2
Authority
JP
Japan
Prior art keywords
diameter
tube
hollow body
expander
fins
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
JP12213882A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5912811A (ja
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 JP12213882A priority Critical patent/JPS5912811A/ja
Publication of JPS5912811A publication Critical patent/JPS5912811A/ja
Publication of JPS6360698B2 publication Critical patent/JPS6360698B2/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
    • B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
    • B29C55/22—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of tubes
    • B29C55/24—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of tubes radial
    • 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
    • B29C61/00—Shaping by liberation of internal stresses; Making preforms having internal stresses; Apparatus therefor
    • B29C61/06—Making preforms having internal stresses, e.g. plastic memory
    • B29C61/08—Making preforms having internal stresses, e.g. plastic memory by stretching tubes

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
JP12213882A 1982-07-15 1982-07-15 管材用拡径子 Granted JPS5912811A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12213882A JPS5912811A (ja) 1982-07-15 1982-07-15 管材用拡径子

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12213882A JPS5912811A (ja) 1982-07-15 1982-07-15 管材用拡径子

Publications (2)

Publication Number Publication Date
JPS5912811A JPS5912811A (ja) 1984-01-23
JPS6360698B2 true JPS6360698B2 (2) 1988-11-25

Family

ID=14828548

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12213882A Granted JPS5912811A (ja) 1982-07-15 1982-07-15 管材用拡径子

Country Status (1)

Country Link
JP (1) JPS5912811A (2)

Also Published As

Publication number Publication date
JPS5912811A (ja) 1984-01-23

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