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(11)

EP 0 950 136 A1

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(43) Date of publication: 20.10.1999 Bulletin 1999/42 (21) Application number: 97952166.0 (22) Date of filing: 23.12.1997

(51) International Patent Classification (IPC):  D21C 9/ 147( . ) D21C 11/ 00( . ) D21C 9/ 10( . ) (86) International application number: PCT/SE1997/002214 (87) International publication number: WO 1998/029598 (09.07.1998 Gazette 1998/27)

(84) Designated Contracting States: AT DE FI FR SE (30) Priority: 27.12.1996 SE 19960004802 (71) Applicant: AGA AKTIEBOLAG(publ) 181 81 Lidingö (SE)	(72) Inventors: BOKSTRÖM, Monica S-860 25 Kovland (SE) HARDMEIER, Peter S-182 49 Enebyberg (SE) JANSSON, Björn S-185 93 Vaxholm (SE) PETERSSON, Martin S-181 63 Lidingö (SE) TIGERSTRÖM, Anna S-116 21 Stockholm (SE) (74) Representative: Berglund, Stefan, et al  Bjerkéns Patentbyra KB, Östermalmsgatan 58 114 50 Stockholm 114 50 Stockholm (SE)