(19)

(11)

EP 0 552 220 A1

(12)

(43) Date of publication: 28.07.1993 Bulletin 1993/30 (21) Application number: 91917759.0 (22) Date of filing: 09.10.1991

(51) International Patent Classification (IPC):  A47C 27/ 00( . ) A47C 27/ 08( . ) (86) International application number: PCT/CA1991/000362 (87) International publication number: WO 1992/006624 (30.04.1992 Gazette 1992/10)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB IT LI NL SE (30) Priority: 10.10.1990 CA 19902034041 (71) Applicant: WEST, Gordon W. Brampton, Ontario L6W 1G1 (CA)	(72) Inventor: WEST, Gordon W. Brampton, Ontario L6W 1G1 (CA) (74) Representative: Shortt, Peter Bernard, et al  TOMKINS & CO., 5 Dartmouth Road Dublin 6 Dublin 6 (IE)