(19)

(11)

EP 0 470 091 A1

(12)

(43) Date of publication: 12.02.1992 Bulletin 1992/07 (21) Application number: 90906092.0 (22) Date of filing: 23.04.1990

(51) International Patent Classification (IPC):  A43B 5/ 00( . ) A43B 5/ 04( . ) (86) International application number: PCT/CA1990/000128 (87) International publication number: WO 1990/012515 (01.11.1990 Gazette 1990/25)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB IT LI LU NL SE (30) Priority: 25.04.1989 US 19890342971 29.09.1989 CA 19890615324 (71) Applicant: MACPHAIL, David, M. Whistler, Britsh Colombia V0N 1B0 (CA)	(72) Inventor: MACPHAIL, David, M. Whistler, Britsh Colombia V0N 1B0 (CA) (74) Representative: Gilding, Martin John  Eric Potter & Clarkson St. Mary's Court St. Mary's Gate Nottingham NG1 1LE Nottingham NG1 1LE (GB)