(19)

(11)

EP 0 237 558 A1

(12)

(43) Date of publication: 23.09.1987 Bulletin 1987/39 (21) Application number: 86905974.0 (22) Date of filing: 15.09.1986

(51) International Patent Classification (IPC):  B22D( . ) B22D 11/ 04( . ) B22D 11/ 045( . ) B22D 11/ 10( . ) B22D 11/ 115( . ) B22D 11/ 12( . ) B22D 27/ 02( . ) B21B 1/ 46( . ) B22D 11/ 041( . ) B22D 11/ 047( . ) B22D 11/ 103( . ) B22D 11/ 119( . ) B22D 11/ 14( . ) (86) International application number: PCT/SE1986/000411 (87) International publication number: WO 1987/001632 (26.03.1987 Gazette 1987/07)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI LU NL SE (30) Priority: 13.09.1985 SE 19850004252 (71) Applicant: ERIK OLSSON AG CH-8603 Schwerzenbach (CH)	(72) Inventor: OLSSON, Erik, Allan CH-8702 Zollikon (CH) (74) Representative: Stolt, Lars C., et al  L.A. Groth & Co KB P.O. Box 6107 S-102 32 Stockholm S-102 32 Stockholm (SE)