JPH0373371B2 - - Google Patents

Info

Publication number
JPH0373371B2
JPH0373371B2 JP60163700A JP16370085A JPH0373371B2 JP H0373371 B2 JPH0373371 B2 JP H0373371B2 JP 60163700 A JP60163700 A JP 60163700A JP 16370085 A JP16370085 A JP 16370085A JP H0373371 B2 JPH0373371 B2 JP H0373371B2
Authority
JP
Japan
Prior art keywords
bending
turk
sizing mill
state
heads
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 - Lifetime
Application number
JP60163700A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6224821A (ja
Inventor
Matsuo Adaka
Satoru Matoba
Yutaka Watanabe
Takenao Nagao
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
Original Assignee
Nippon Steel Corp
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 filed Critical Nippon Steel Corp
Priority to JP16370085A priority Critical patent/JPS6224821A/ja
Publication of JPS6224821A publication Critical patent/JPS6224821A/ja
Publication of JPH0373371B2 publication Critical patent/JPH0373371B2/ja
Granted legal-status Critical Current

Links

JP16370085A 1985-07-24 1985-07-24 電縫管の曲がり矯正方法 Granted JPS6224821A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16370085A JPS6224821A (ja) 1985-07-24 1985-07-24 電縫管の曲がり矯正方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16370085A JPS6224821A (ja) 1985-07-24 1985-07-24 電縫管の曲がり矯正方法

Publications (2)

Publication Number Publication Date
JPS6224821A JPS6224821A (ja) 1987-02-02
JPH0373371B2 true JPH0373371B2 (OSRAM) 1991-11-21

Family

ID=15778951

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16370085A Granted JPS6224821A (ja) 1985-07-24 1985-07-24 電縫管の曲がり矯正方法

Country Status (1)

Country Link
JP (1) JPS6224821A (OSRAM)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5636317A (en) * 1979-09-03 1981-04-09 Nippon Steel Metal Prod Co Ltd Manufacture of welded steel pipe

Also Published As

Publication number Publication date
JPS6224821A (ja) 1987-02-02

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees