(19)

(11)

EP 1 342 057 A1

(12)

(43) Date of publication: 10.09.2003 Bulletin 2003/37 (21) Application number: 01983063.7 (22) Date of filing: 15.11.2001

(51) International Patent Classification (IPC)7: G01F 1/66, G01P 5/24 (86) International application number: PCT/SE0102/541 (87) International publication number: WO 0204/0948 (23.05.2002 Gazette 2002/21)

(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: 15.11.2000 SE 0004219 (71) Applicant: Strömberg, Per-Ake 820 11 Vallsta (SE)	(72) Inventor: Strömberg, Per-Ake 820 11 Vallsta (SE) (74) Representative: Rosenquist, Per Olof  Bergenstrahle & Lindvall AB,P.O. Box 17704 118 93 Stockholm 118 93 Stockholm (SE)