(19)

(11)

EP 0 245 235 A1

(12)

(43) Date of publication: 19.11.1987 Bulletin 1987/47 (21) Application number: 85900790.0 (22) Date of filing: 14.01.1985

(51) International Patent Classification (IPC):  C21C 1/ 02( . ) C21C 1/ 04( . ) (86) International application number: PCT/SE1985/000011 (87) International publication number: WO 1986/004096 (17.07.1986 Gazette 1986/17)

(84) Designated Contracting States: AT BE CH DE FR GB LI LU NL SE (71) Applicant: UDDEHOLM INTERNATIONAL AKTIEBOLAG S-683 05 Hagfors (SE)	(72) Inventors: LUNDSTRÖM, Per-A oke S-683 00 Hagfors (SE) JOHNSSON, Mats, Klaes, Olof S-693 00 Degerfors (SE)