JPS53113755A - Method and apparatus for manufacture of thick walled steel pipe - Google Patents

Method and apparatus for manufacture of thick walled steel pipe

Info

Publication number
JPS53113755A
JPS53113755A JP2807777A JP2807777A JPS53113755A JP S53113755 A JPS53113755 A JP S53113755A JP 2807777 A JP2807777 A JP 2807777A JP 2807777 A JP2807777 A JP 2807777A JP S53113755 A JPS53113755 A JP S53113755A
Authority
JP
Japan
Prior art keywords
steel pipe
walled steel
thick walled
manufacture
upunch
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
JP2807777A
Other languages
Japanese (ja)
Inventor
Tadaaki Taira
Toshiro Ishihara
Hiroyoshi Matsubara
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.)
JFE Engineering Corp
Original Assignee
NKK Corp
Nippon Kokan 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 NKK Corp, Nippon Kokan Ltd filed Critical NKK Corp
Priority to JP2807777A priority Critical patent/JPS53113755A/en
Publication of JPS53113755A publication Critical patent/JPS53113755A/en
Pending legal-status Critical Current

Links

Landscapes

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

Abstract

PURPOSE: To enable the formation of the thick walled steel pipe with a reduced load, a simple operation, without causing any irregular deformation, by bending inward the end face portions on both sides of U-type blank formed using the Upunch, along the inclined plate of the push-type guide plate.
COPYRIGHT: (C)1978,JPO&Japio
JP2807777A 1977-03-16 1977-03-16 Method and apparatus for manufacture of thick walled steel pipe Pending JPS53113755A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2807777A JPS53113755A (en) 1977-03-16 1977-03-16 Method and apparatus for manufacture of thick walled steel pipe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2807777A JPS53113755A (en) 1977-03-16 1977-03-16 Method and apparatus for manufacture of thick walled steel pipe

Publications (1)

Publication Number Publication Date
JPS53113755A true JPS53113755A (en) 1978-10-04

Family

ID=12238698

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2807777A Pending JPS53113755A (en) 1977-03-16 1977-03-16 Method and apparatus for manufacture of thick walled steel pipe

Country Status (1)

Country Link
JP (1) JPS53113755A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2021062379A (en) * 2019-10-10 2021-04-22 株式会社キーレックス Metallic plate machining device
JP2021062378A (en) * 2019-10-10 2021-04-22 株式会社キーレックス Metallic plate machining device and metallic plate machining method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2021062379A (en) * 2019-10-10 2021-04-22 株式会社キーレックス Metallic plate machining device
JP2021062378A (en) * 2019-10-10 2021-04-22 株式会社キーレックス Metallic plate machining device and metallic plate machining method

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