(19)

(11)

EP 1 080 346 A1

(12)

(43) Date of publication: 07.03.2001 Bulletin 2001/10 (21) Application number: 99927041.6 (22) Date of filing: 07.05.1999

(51) International Patent Classification (IPC)7: G01G 19/18, B66C 1/40, G01L 5/12 (86) International application number: PCT/SE9900/774 (87) International publication number: WO 9960/350 (25.11.1999 Gazette 1999/47)

(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: 19.05.1998 SE 9801768 (71) Applicant: Hammarqvist, Peter 184 40 Akersberga (SE)	(72) Inventor: Hammarqvist, Peter 184 40 Akersberga (SE) (74) Representative: Sundström, Per Olof et al Stenhagen Patentbyra ABP.O. Box 4630 116 91 Stockholm 116 91 Stockholm (SE)