(19)

(11)

EP 0 380 630 A1

(12)

(43) Date of publication: 08.08.1990 Bulletin 1990/32 (21) Application number: 89908610.0 (22) Date of filing: 06.07.1989

(51) International Patent Classification (IPC):  C22C 38/ 00( . ) C22C 38/ 06( . ) C22C 38/ 04( . ) C22C 38/ 38( . ) (86) International application number: PCT/US1989/002950 (87) International publication number: WO 1990/000629 (25.01.1990 Gazette 1990/03)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI LU NL SE (30) Priority: 08.07.1988 US 19880218695 20.04.1989 US 19890341117 (71) Applicant: FAMCY STEEL CORPORATION Pittsburg, PA 15238 (US)	(72) Inventor: WAN, Chi-Meen Hacienda Heights, CA 91745 (US) (74) Representative: Silverman, Warren, et al  HASELTINE LAKE & CO. Hazlitt House 28 Southampton Buildings Chancery Lane London WC2A 1AT London WC2A 1AT (GB)