JPS643571B2 - - Google Patents

Info

Publication number
JPS643571B2
JPS643571B2 JP1001680A JP1001680A JPS643571B2 JP S643571 B2 JPS643571 B2 JP S643571B2 JP 1001680 A JP1001680 A JP 1001680A JP 1001680 A JP1001680 A JP 1001680A JP S643571 B2 JPS643571 B2 JP S643571B2
Authority
JP
Japan
Prior art keywords
welded pipe
mandrel
welded
roller
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.)
Expired
Application number
JP1001680A
Other languages
English (en)
Japanese (ja)
Other versions
JPS56109111A (en
Inventor
Koichi Kawatani
Keiji Minami
Takeo Kitaoka
Nobuyoshi Rokusha
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 JP1001680A priority Critical patent/JPS56109111A/ja
Publication of JPS56109111A publication Critical patent/JPS56109111A/ja
Publication of JPS643571B2 publication Critical patent/JPS643571B2/ja
Granted legal-status Critical Current

Links

JP1001680A 1980-02-01 1980-02-01 Remover for internal bead of welded pipe Granted JPS56109111A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1001680A JPS56109111A (en) 1980-02-01 1980-02-01 Remover for internal bead of welded pipe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1001680A JPS56109111A (en) 1980-02-01 1980-02-01 Remover for internal bead of welded pipe

Publications (2)

Publication Number Publication Date
JPS56109111A JPS56109111A (en) 1981-08-29
JPS643571B2 true JPS643571B2 (en]) 1989-01-23

Family

ID=11738589

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1001680A Granted JPS56109111A (en) 1980-02-01 1980-02-01 Remover for internal bead of welded pipe

Country Status (1)

Country Link
JP (1) JPS56109111A (en])

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6390387A (ja) * 1986-10-03 1988-04-21 Nisshin Steel Co Ltd 電縫造管の内面ビ−ト処理方法
CN106694719B (zh) * 2016-12-30 2018-11-20 浙江久立特材科技股份有限公司 一种待焊钢管边缘后弯工装以及后弯方法
CN109550815A (zh) * 2018-12-06 2019-04-02 有研工程技术研究院有限公司 一种精密铝合金管材校圆装置及校圆方法
WO2020202296A1 (ja) * 2019-03-29 2020-10-08 三菱電機株式会社 溶接ビード潰し治具、及び圧縮機の製造方法

Also Published As

Publication number Publication date
JPS56109111A (en) 1981-08-29

Similar Documents

Publication Publication Date Title
EP0754503B1 (en) Method and apparatus for piercing seamless metal pipe
US3071993A (en) Tube joints and means and method of making the same
JP2817620B2 (ja) メカニカル拡管機ヘッド
JPS643571B2 (en])
US20080209715A1 (en) Manufacturing Equipment of Electric Resistance Welding Pipes Having Excellent Characterization of Welded Seam
EP0519705B2 (en) Mandrel mill capable of preventing stripping miss
JPS643573B2 (en])
US11745243B2 (en) Multi-axis roll-forming of stepped-diameter cylinder
JPS643572B2 (en])
JPH0142768B2 (en])
CN103917308A (zh) 穿孔装置、穿孔装置所使用的芯棒以及无缝钢管的制造方法
US3650456A (en) Apparatus for welding
JPH0229439B2 (en])
JPH01181905A (ja) 継目無管の製造方法
RU2084300C1 (ru) Линия для производства труб повышенной точности
JPS62187509A (ja) 継目無複合鋼管の製造方法
JP2007160383A (ja) 溶接部特性の良好な電縫管の製造方法
JPH0440090B2 (en])
JP7549212B2 (ja) 継目無金属管の製造方法
JP4117955B2 (ja) ビレットの穿孔方法
SU1118446A1 (ru) Роликовое устройство дл деформировани внутреннего грата в электросварных трубах
JP3083392B2 (ja) 金属複合管の製造方法
JP2996124B2 (ja) 継目無金属管の穿孔圧延方法
JPH04118119A (ja) 金属管のフランジング加工装置
JP2010005679A (ja) センタンリング装置におけるポンチ形状