JPS53142964A - Working method for pipe - Google Patents

Working method for pipe

Info

Publication number
JPS53142964A
JPS53142964A JP5772477A JP5772477A JPS53142964A JP S53142964 A JPS53142964 A JP S53142964A JP 5772477 A JP5772477 A JP 5772477A JP 5772477 A JP5772477 A JP 5772477A JP S53142964 A JPS53142964 A JP S53142964A
Authority
JP
Japan
Prior art keywords
pipe
working method
loading
force
workpiece
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.)
Pending
Application number
JP5772477A
Other languages
Japanese (ja)
Inventor
Kazuo Sato
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP5772477A priority Critical patent/JPS53142964A/en
Publication of JPS53142964A publication Critical patent/JPS53142964A/en
Pending legal-status Critical Current

Links

Landscapes

  • Bending Of Plates, Rods, And Pipes (AREA)

Abstract

PURPOSE: To apply the cold work to the pipe which is given with a variation in its wall thickness at a required section, by loading a force inthe axial direction while loading a force to the inner plane of the workpiece in the direction for expanding.
COPYRIGHT: (C)1978,JPO&Japio
JP5772477A 1977-05-20 1977-05-20 Working method for pipe Pending JPS53142964A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5772477A JPS53142964A (en) 1977-05-20 1977-05-20 Working method for pipe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5772477A JPS53142964A (en) 1977-05-20 1977-05-20 Working method for pipe

Publications (1)

Publication Number Publication Date
JPS53142964A true JPS53142964A (en) 1978-12-13

Family

ID=13063877

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5772477A Pending JPS53142964A (en) 1977-05-20 1977-05-20 Working method for pipe

Country Status (1)

Country Link
JP (1) JPS53142964A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02268927A (en) * 1989-04-10 1990-11-02 Masao Nakamura Method for bending circular tube

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02268927A (en) * 1989-04-10 1990-11-02 Masao Nakamura Method for bending circular tube

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