(19)

(11)

EP 0 756 522 A1

(12)

(43) Date of publication: 05.02.1997 Bulletin 1997/06 (21) Application number: 95917534.0 (22) Date of filing: 20.04.1995

(51) International Patent Classification (IPC):  B02C 18/ 00( . ) B02C 18/ 14( . ) (86) International application number: PCT/SE1995/000431 (87) International publication number: WO 1995/029011 (02.11.1995 Gazette 1995/47)

(84) Designated Contracting States: BE CH DE DK ES FR GB IT LI NL (30) Priority: 21.04.1994 SE 19940001352 (71) Applicant: Ohlson, Arne 212 35 Malmö (SE)	(72) Inventor: Ohlson, Arne 212 35 Malmö (SE) (74) Representative: Wallin, Bo-Göran, et al  AWAPATENT AB, Box 5117 200 71 Malmö 200 71 Malmö (SE)