(19)

(11)

EP 0 644 832 A1

(12)

(43) Date of publication: 29.03.1995 Bulletin 1995/13 (21) Application number: 93913753.0 (22) Date of filing: 16.06.1993

(51) International Patent Classification (IPC):  B60C 23/ 02( . ) B60C 23/ 04( . ) (86) International application number: PCT/SE1993/000532 (87) International publication number: WO 1993/025399 (23.12.1993 Gazette 1993/30)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB GR IE IT LI NL PT SE (30) Priority: 17.06.1992 SE 19920001863 (71) Applicant: SMITH, Göran S-585 92 Linköping (SE)	(72) Inventor: SVENSSON, Lars S-582 68 Linköping (SE) (74) Representative: Berglund, Erik Wilhelm  Berglunds Patentbyra AB Aspebraten S-590 54 Sturefors S-590 54 Sturefors (SE)