JPS579526A - Manufacture of square shaped metallic tube through convex roll - Google Patents

Manufacture of square shaped metallic tube through convex roll

Info

Publication number
JPS579526A
JPS579526A JP8445180A JP8445180A JPS579526A JP S579526 A JPS579526 A JP S579526A JP 8445180 A JP8445180 A JP 8445180A JP 8445180 A JP8445180 A JP 8445180A JP S579526 A JPS579526 A JP S579526A
Authority
JP
Japan
Prior art keywords
roll
welding
square shaped
rolls
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.)
Granted
Application number
JP8445180A
Other languages
English (en)
Japanese (ja)
Other versions
JPS643568B2 (enrdf_load_stackoverflow
Inventor
Shozo Watanabe
Seiichiro Ogawa
Hisashi Sogawa
Eikichi Kaji
Akio Akahori
Hirotaku Onda
Hirotsugu Haga
Kazuo Aoki
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.)
Nippon Steel Corp
Nippon Steel Metal Products Co Ltd
Original Assignee
Nippon Steel Corp
Nippon Steel Metal Products 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 Nippon Steel Corp, Nippon Steel Metal Products Co Ltd filed Critical Nippon Steel Corp
Priority to JP8445180A priority Critical patent/JPS579526A/ja
Publication of JPS579526A publication Critical patent/JPS579526A/ja
Publication of JPS643568B2 publication Critical patent/JPS643568B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Bending Of Plates, Rods, And Pipes (AREA)
JP8445180A 1980-06-21 1980-06-21 Manufacture of square shaped metallic tube through convex roll Granted JPS579526A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8445180A JPS579526A (en) 1980-06-21 1980-06-21 Manufacture of square shaped metallic tube through convex roll

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8445180A JPS579526A (en) 1980-06-21 1980-06-21 Manufacture of square shaped metallic tube through convex roll

Publications (2)

Publication Number Publication Date
JPS579526A true JPS579526A (en) 1982-01-19
JPS643568B2 JPS643568B2 (enrdf_load_stackoverflow) 1989-01-23

Family

ID=13830974

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8445180A Granted JPS579526A (en) 1980-06-21 1980-06-21 Manufacture of square shaped metallic tube through convex roll

Country Status (1)

Country Link
JP (1) JPS579526A (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58224084A (ja) * 1982-06-21 1983-12-26 Teruyoshi Imamura 角形電縫鋼管の製造方法
KR100332736B1 (ko) * 1999-09-16 2002-04-17 김민 각형 파이프의 성형장치

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58224084A (ja) * 1982-06-21 1983-12-26 Teruyoshi Imamura 角形電縫鋼管の製造方法
KR100332736B1 (ko) * 1999-09-16 2002-04-17 김민 각형 파이프의 성형장치

Also Published As

Publication number Publication date
JPS643568B2 (enrdf_load_stackoverflow) 1989-01-23

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