EP 0057983 A3 19830112 - METHOD FOR PRODUCING COATED GRAIN ORIENTED SILICON STEEL
Title (en)
METHOD FOR PRODUCING COATED GRAIN ORIENTED SILICON STEEL
Publication
Application
Priority
US 23234181 A 19810206
Abstract (en)
[origin: EP0057983A2] A method for coating grain oriented silicon steel to improve its magnetic properties; the method including the steps of preparing a melt of said silicon steel, casting said steel, hot rolling said steel, cold rolling said steel and decarburizing said steel, and being characterised by applying to the surface of said steel a coating of Mg(OH)2 and SiO2 and thereafter final texture annealing said steel in the conventional manner with said coating thereon.
IPC 1-7
IPC 8 full level
C23C 22/00 (2006.01); C21D 1/70 (2006.01); C21D 8/12 (2006.01); C21D 9/46 (2006.01); C22C 38/02 (2006.01); C25D 5/50 (2006.01); C25D 9/10 (2006.01)
CPC (source: EP)
C21D 1/70 (2013.01); C21D 8/1283 (2013.01); C25D 5/50 (2013.01); C25D 9/10 (2013.01); C21D 8/1272 (2013.01)
Citation (search report)
- [X] FR 1321837 A 19630322 - THOMSON HOUSTON COMP FRANCAISE
- [X] GB 922521 A 19630403 - GEN ELECTRIC
- [X] FR 1100181 A 19550916 - WESTINGHOUSE ELECTRIC CORP
Designated contracting state (EPC)
BE DE FR GB IT SE
DOCDB simple family (publication)
EP 0057983 A2 19820818; EP 0057983 A3 19830112; CA 1197757 A 19851210; JP S57145935 A 19820909; KR 830009247 A 19831219; PL 234964 A1 19820913; RO 84030 A 19840512; RO 84030 B 19840630
DOCDB simple family (application)
EP 82300236 A 19820118; CA 393646 A 19820106; JP 1471282 A 19820201; KR 820000200 A 19820119; PL 23496482 A 19820205; RO 10644582 A 19820126