JPS56109113A - Remove for internal bead of welded pipe - Google Patents

Remove for internal bead of welded pipe

Info

Publication number
JPS56109113A
JPS56109113A JP1001880A JP1001880A JPS56109113A JP S56109113 A JPS56109113 A JP S56109113A JP 1001880 A JP1001880 A JP 1001880A JP 1001880 A JP1001880 A JP 1001880A JP S56109113 A JPS56109113 A JP S56109113A
Authority
JP
Japan
Prior art keywords
pipe
roll
mandrel
rolling bar
welded 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
JP1001880A
Other languages
English (en)
Japanese (ja)
Other versions
JPS643573B2 (enrdf_load_stackoverflow
Inventor
Koichi Kawatani
Keiji Minami
Takeo Kitaoka
Nobuyoshi Rokushiya
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 Nisshin Co Ltd
Original Assignee
Nisshin Steel 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 Nisshin Steel Co Ltd filed Critical Nisshin Steel Co Ltd
Priority to JP1001880A priority Critical patent/JPS56109113A/ja
Publication of JPS56109113A publication Critical patent/JPS56109113A/ja
Publication of JPS643573B2 publication Critical patent/JPS643573B2/ja
Granted legal-status Critical Current

Links

JP1001880A 1980-02-01 1980-02-01 Remove for internal bead of welded pipe Granted JPS56109113A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1001880A JPS56109113A (en) 1980-02-01 1980-02-01 Remove for internal bead of welded pipe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1001880A JPS56109113A (en) 1980-02-01 1980-02-01 Remove for internal bead of welded pipe

Publications (2)

Publication Number Publication Date
JPS56109113A true JPS56109113A (en) 1981-08-29
JPS643573B2 JPS643573B2 (enrdf_load_stackoverflow) 1989-01-23

Family

ID=11738648

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1001880A Granted JPS56109113A (en) 1980-02-01 1980-02-01 Remove for internal bead of welded pipe

Country Status (1)

Country Link
JP (1) JPS56109113A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPS643573B2 (enrdf_load_stackoverflow) 1989-01-23

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