(19)

(11)

EP 0 603 297 A1

(12)

(43) Date of publication: 29.06.1994 Bulletin 1994/26 (21) Application number: 92919822.0 (22) Date of filing: 11.09.1992

(51) International Patent Classification (IPC):  F26B 3/ 00( . ) C04B 35/ 101( . ) F26B 23/ 06( . ) B28B 11/ 24( . ) F26B 3/ 353( . ) (86) International application number: PCT/SE1992/000628 (87) International publication number: WO 1993/005354 (18.03.1993 Gazette 1993/08)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB GR IE IT LI LU NL SE (30) Priority: 11.09.1991 SE 19910002625 (71) Applicant: HOGANAS ELDFAST AB S-263 83 Hoganas (SE)	(72) Inventor: BLOM, Ingvar S-260 41 Nyhamnsläge (SE) (74) Representative: Burman, Tore  Awapatent AB Box 45086 S-104 30 Stockholm S-104 30 Stockholm (SE)