EP 0342408 A1 19891123 - Rolling method and rolling machine.
Title (en)
Rolling method and rolling machine.
Title (de)
Walzverfahren und Walzwerk.
Title (fr)
Procédé de laminage et train de laminage.
Publication
Application
Priority
JP 11931388 A 19880518
Abstract (en)
A workpiece to be rolled is formed in its surface with a large number of recesses for retaining a lubricating fluid therein, and then the workpiece is rolled while the lubricating fluid is confined in the recesses. A rolling machine comprising a rolling mill further includes a recess impressing unit for forming a large number of recesses in the surface of the workpiece, which is provided on the inlet side of the rolling mill. The recess impressing unit includes a pair of pinch rolls formed with a large number of projections. The rolling machine further includes a nozzle for spraying the lubricating fluid which is provided on the inlet side of work rolls for rolling.
IPC 1-7
IPC 8 full level
B21B 39/08 (2006.01); B21B 1/22 (2006.01); B21B 15/00 (2006.01); B21B 27/00 (2006.01); B21B 45/02 (2006.01); B21H 7/00 (2006.01)
CPC (source: EP KR)
B21B 15/00 (2013.01 - EP); B21B 27/00 (2013.01 - KR); B21B 27/005 (2013.01 - EP); B21B 45/0251 (2013.01 - EP); B21H 8/00 (2013.01 - EP); B21B 45/0242 (2013.01 - EP)
Citation (search report)
- [X] WO 8203575 A1 19821028 - BADGER PHILIP O
- [Y] DE 635220 C 19360912 - C T PETZOLD & CO
- [Y] FR 2290623 A1 19760604 - LORRAINE LAMINAGE [FR]
- [A] US 1960958 A 19340529 - SARGENT JAMES A
- [A] US 2361039 A 19441024 - LANGEL ADRIEN L
- [A] US 1490944 A 19240422 - SIMPSON ROBERT W
Designated contracting state (EPC)
DE FR GB IT
DOCDB simple family (publication)
EP 0342408 A1 19891123; EP 0342408 B1 19930811; BR 8902304 A 19900109; CN 1020552 C 19930512; CN 1038601 A 19900110; DE 68908264 D1 19930916; DE 68908264 T2 19931216; JP 2563478 B2 19961211; JP H01289503 A 19891121; KR 900017674 A 19901219; KR 930008326 B1 19930830
DOCDB simple family (application)
EP 89107705 A 19890427; BR 8902304 A 19890517; CN 89103335 A 19890515; DE 68908264 T 19890427; JP 11931388 A 19880518; KR 890006654 A 19890518