JPS52101657A - Method of manufacturing spiral steel pipe - Google Patents

Method of manufacturing spiral steel pipe

Info

Publication number
JPS52101657A
JPS52101657A JP1787976A JP1787976A JPS52101657A JP S52101657 A JPS52101657 A JP S52101657A JP 1787976 A JP1787976 A JP 1787976A JP 1787976 A JP1787976 A JP 1787976A JP S52101657 A JPS52101657 A JP S52101657A
Authority
JP
Japan
Prior art keywords
steel pipe
spiral steel
manufacturing spiral
manufacturing
pipe
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
JP1787976A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5342742B2 (2
Inventor
Hiroshi Oonishi
Masayuki Maruyama
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
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 Nippon Kokan Ltd filed Critical Nippon Kokan Ltd
Priority to JP1787976A priority Critical patent/JPS52101657A/ja
Publication of JPS52101657A publication Critical patent/JPS52101657A/ja
Publication of JPS5342742B2 publication Critical patent/JPS5342742B2/ja
Granted legal-status Critical Current

Links

JP1787976A 1976-02-23 1976-02-23 Method of manufacturing spiral steel pipe Granted JPS52101657A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1787976A JPS52101657A (en) 1976-02-23 1976-02-23 Method of manufacturing spiral steel pipe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1787976A JPS52101657A (en) 1976-02-23 1976-02-23 Method of manufacturing spiral steel pipe

Publications (2)

Publication Number Publication Date
JPS52101657A true JPS52101657A (en) 1977-08-25
JPS5342742B2 JPS5342742B2 (2) 1978-11-14

Family

ID=11955967

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1787976A Granted JPS52101657A (en) 1976-02-23 1976-02-23 Method of manufacturing spiral steel pipe

Country Status (1)

Country Link
JP (1) JPS52101657A (2)

Also Published As

Publication number Publication date
JPS5342742B2 (2) 1978-11-14

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