(19)

(11)

EP 0 196 329 A1

(12)

(43) Date of publication: 08.10.1986 Bulletin 1986/41 (21) Application number: 85905268.0 (22) Date of filing: 09.10.1985

(51) International Patent Classification (IPC):  A61F 13/ 15( . ) A61F 13/ 62( . ) (86) International application number: PCT/US1985/001952 (87) International publication number: WO 1986/002263 (24.04.1986 Gazette 1986/09)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI LU NL SE (30) Priority: 12.10.1984 US 19840660062 (71) Applicant: McCOY, Ernest H. Oakland, CA 94612 (US)	(72) Inventor: MITCHELL, Debra, J. Greenbrae, CA 94904 (US) (74) Representative: Williams, Trevor John, et al  J.A. KEMP & CO. 14 South Square Gray's Inn London WC1R 5EU London WC1R 5EU (GB)