(19)

(11)

EP 0 942 795 A1

(12)

(43) Date of publication: 22.09.1999 Bulletin 1999/38 (21) Application number: 96922708.0 (22) Date of filing: 18.07.1996

(51) International Patent Classification (IPC):  B22D 11/ 06( . ) (86) International application number: PCT/CA1996/000473 (87) International publication number: WO 1998/003286 (29.01.1998 Gazette 1998/04)

(84) Designated Contracting States: AT DE FR GB IT (71) Applicant: Sherwood, William Lyon Vancouver British Columbia V6P 5M2 (CA)	(72) Inventor: Sherwood, William Lyon Vancouver British Columbia V6P 5M2 (CA) (74) Representative: Benedum, Ulrich Max, Dr., et al  Haseltine Lake Partners Motorama Haus 502 Rosenheimer Strasse 30 81669 München 81669 München (DE)