JPH0627202Y2 - 継目無鋼管製造用マンドレルバー - Google Patents

継目無鋼管製造用マンドレルバー

Info

Publication number
JPH0627202Y2
JPH0627202Y2 JP11580589U JP11580589U JPH0627202Y2 JP H0627202 Y2 JPH0627202 Y2 JP H0627202Y2 JP 11580589 U JP11580589 U JP 11580589U JP 11580589 U JP11580589 U JP 11580589U JP H0627202 Y2 JPH0627202 Y2 JP H0627202Y2
Authority
JP
Japan
Prior art keywords
mandrel bar
wear
seamless steel
steel pipe
mandrel
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
JP11580589U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0357401U (en]
Inventor
眞二 小溝
賢宏 小石原
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 JP11580589U priority Critical patent/JPH0627202Y2/ja
Publication of JPH0357401U publication Critical patent/JPH0357401U/ja
Application granted granted Critical
Publication of JPH0627202Y2 publication Critical patent/JPH0627202Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Metal Extraction Processes (AREA)
JP11580589U 1989-10-03 1989-10-03 継目無鋼管製造用マンドレルバー Expired - Lifetime JPH0627202Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11580589U JPH0627202Y2 (ja) 1989-10-03 1989-10-03 継目無鋼管製造用マンドレルバー

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11580589U JPH0627202Y2 (ja) 1989-10-03 1989-10-03 継目無鋼管製造用マンドレルバー

Publications (2)

Publication Number Publication Date
JPH0357401U JPH0357401U (en]) 1991-06-03
JPH0627202Y2 true JPH0627202Y2 (ja) 1994-07-27

Family

ID=31664123

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11580589U Expired - Lifetime JPH0627202Y2 (ja) 1989-10-03 1989-10-03 継目無鋼管製造用マンドレルバー

Country Status (1)

Country Link
JP (1) JPH0627202Y2 (en])

Also Published As

Publication number Publication date
JPH0357401U (en]) 1991-06-03

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