EP 0342408 B1 19930811 - ROLLING METHOD AND ROLLING MACHINE
Title (en)
ROLLING METHOD AND ROLLING MACHINE
Publication
Application
Priority
JP 11931388 A 19880518
Abstract (en)
[origin: EP0342408A1] 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)
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