(19)

(11)

EP 1 159 777 A1

(12)

(43) Date of publication: 05.12.2001 Bulletin 2001/49 (21) Application number: 00908151.4 (22) Date of filing: 31.01.2000

(51) International Patent Classification (IPC)7: H02G 3/02 (86) International application number: PCT/SE0000/188 (87) International publication number: WO 0048/280 (17.08.2000 Gazette 2000/33)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 12.02.1999 SE 9900480 (71) Applicant: AB WIBE 792 01 Mora (SE)	(72) Inventor: HED, Olle S-792 34 Mora (SE) (74) Representative: Janson, Ronny et al Ehrner & Delmar Patentbyra AB,Box 10316 100 55 Stockholm 100 55 Stockholm (SE)