(19)

(11)

EP 1 242 746 A1

(12)

(43) Date of publication: 25.09.2002 Bulletin 2002/39 (21) Application number: 00983611.5 (22) Date of filing: 29.11.2000

(51) International Patent Classification (IPC)7: F15B 3/00 (86) International application number: PCT/SE0002/366 (87) International publication number: WO 0104/2662 (14.06.2001 Gazette 2001/24)

(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: 07.12.1999 SE 9904464 (71) Applicant: J-Tec 784 63 Borlange (SE)	(72) Inventor: ERICSSON, Jan S-781 35 Borlänge (SE) (74) Representative: Hedman, Anders et al Aros Patent ABP.O. Box 1544 751 45 Uppsala 751 45 Uppsala (SE)