(19)

(11)

EP 0 452 372 A1

(12)

(43) Date of publication: 23.10.1991 Bulletin 1991/43 (21) Application number: 90901516.0 (22) Date of filing: 02.01.1990

(51) International Patent Classification (IPC):  A47L 13/ 18( . ) (86) International application number: PCT/CA1990/000001 (87) International publication number: WO 1990/007296 (12.07.1990 Gazette 1990/16)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB IT LI LU NL SE (30) Priority: 03.01.1989 US 19890292943 (71) Applicant: MURRAY, Ellen Barrie, Ontario L4N 4H6 (CA)	(72) Inventor: MURRAY, Ellen Barrie, Ontario L4N 4H6 (CA) (74) Representative: Pacitti, Pierpaolo A.M.E., et al  Murgitroyd and Company 373 Scotland Street Glasgow G5 8QA Glasgow G5 8QA (GB)