ATE70746T1 - FORMING ROLLER AND THEIR USE IN PIPE ROLLING PROCESSES AND APPARATUS. - Google Patents

FORMING ROLLER AND THEIR USE IN PIPE ROLLING PROCESSES AND APPARATUS.

Info

Publication number
ATE70746T1
ATE70746T1 AT86904360T AT86904360T ATE70746T1 AT E70746 T1 ATE70746 T1 AT E70746T1 AT 86904360 T AT86904360 T AT 86904360T AT 86904360 T AT86904360 T AT 86904360T AT E70746 T1 ATE70746 T1 AT E70746T1
Authority
AT
Austria
Prior art keywords
forming roller
rolling processes
pipe rolling
processes
pipe
Prior art date
Application number
AT86904360T
Other languages
German (de)
Inventor
Ryosuke Kuramoto
Atumu Okamoto
Takashi Tomino
Original Assignee
Nakata Mfg
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
Priority claimed from JP29944485A external-priority patent/JPS62158528A/en
Priority claimed from JP60297290A external-priority patent/JPS62158529A/en
Priority claimed from JP61005560A external-priority patent/JPS62166027A/en
Application filed by Nakata Mfg filed Critical Nakata Mfg
Priority claimed from EP86904360A external-priority patent/EP0250594B2/en
Application granted granted Critical
Publication of ATE70746T1 publication Critical patent/ATE70746T1/en

Links

AT86904360T 1985-12-28 1986-06-30 FORMING ROLLER AND THEIR USE IN PIPE ROLLING PROCESSES AND APPARATUS. ATE70746T1 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP29944485A JPS62158528A (en) 1985-12-28 1985-12-28 Forming method for strip steel end part in pipe mill and its device
JP60297290A JPS62158529A (en) 1985-12-30 1985-12-30 Forming method for strip steel center part in pipe mill and its device
JP61005560A JPS62166027A (en) 1986-01-14 1986-01-14 Forming roll for pipe mill
EP86904360A EP0250594B2 (en) 1985-12-28 1986-06-30 Forming roll for pipe mills and forming method and apparatus using same
PCT/JP1986/000337 WO1987004096A1 (en) 1985-12-28 1986-06-30 Forming roll for pipe mills and forming method and apparatus using same

Publications (1)

Publication Number Publication Date
ATE70746T1 true ATE70746T1 (en) 1992-01-15

Family

ID=27441149

Family Applications (1)

Application Number Title Priority Date Filing Date
AT86904360T ATE70746T1 (en) 1985-12-28 1986-06-30 FORMING ROLLER AND THEIR USE IN PIPE ROLLING PROCESSES AND APPARATUS.

Country Status (1)

Country Link
AT (1) ATE70746T1 (en)

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Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
UEP Publication of translation of european patent specification
EELA Cancelled due to lapse of time