(19)

(11)

EP 1 377 987 A1

(12)

(43) Date of publication: 07.01.2004 Bulletin 2004/02 (21) Application number: 02704007.0 (22) Date of filing: 07.03.2002

(51) International Patent Classification (IPC)7: H01B 13/34 (86) International application number: PCT/SE2002/000423 (87) International publication number: WO 2002/073635 (19.09.2002 Gazette 2002/38)

(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: 09.03.2001 SE 0100782 (71) Applicant: Hedman, Ake 931 64 Skelleftea (SE)	(72) Inventor: Hedman, Ake 931 64 Skelleftea (SE) (74) Representative: Aslund, Roland  Avesta PatentbyraP.O. Box 99 77501 Krylbo 77501 Krylbo (SE)