(19)

(11)

EP 0 537 152 A1

(12)

(43) Date of publication: 21.04.1993 Bulletin 1993/16 (21) Application number: 91906718.0 (22) Date of filing: 03.04.1991

(51) International Patent Classification (IPC):  E05D 15/ 48( . ) E05D 15/ 22( . ) E05D 15/ 06( . ) (86) International application number: PCT/CA1991/000111 (87) International publication number: WO 1991/015648 (17.10.1991 Gazette 1991/24)

(84) Designated Contracting States: DE FR GB IT (30) Priority: 03.04.1990 CA 19902013774 (71) Applicant: Goldenberg, Shaul Richmond Hill Ontario L4C 7ZI (CA)	(72) Inventor: Goldenberg, Shaul Richmond Hill Ontario L4C 7ZI (CA) (74) Representative: Ritter, Stephen David, et al  Mathys & Squire 100 Grays Inn Road London WC1X 8AL London WC1X 8AL (GB)