(19)

(11)

EP 1 278 961 A1

(12)

(43) Date of publication: 29.01.2003 Bulletin 2003/05 (21) Application number: 01928264.9 (22) Date of filing: 03.05.2001

(51) International Patent Classification (IPC)7: F04B 15/08 // F17C9:00 (86) International application number: PCT/SE0100/945 (87) International publication number: WO 0108/3989 (08.11.2001 Gazette 2001/45)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR Designated Extension States: AL LT LV MK RO SI (30) Priority: 03.05.2000 SE 0001618 (71) Applicant: AGA AKTIEBOLAG 181 81 Lidingö (SE)	(72) Inventor: ORSEN, Mikael S-184 32 Akersberga (SE) (74) Representative: Estreen, Lars et al Kransell & Wennborg ABP.O. Box 27834 115 93 Stockholm 115 93 Stockholm (SE)