(19)

(11)

EP 0 393 076 A1

(12)

(43) Date of publication: 24.10.1990 Bulletin 1990/43 (21) Application number: 88909587.0 (22) Date of filing: 02.11.1988

(51) International Patent Classification (IPC):  E05C 17/ 36( . ) (86) International application number: PCT/GB1988/000940 (87) International publication number: WO 1989/004414 (18.05.1989 Gazette 1989/11)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI NL SE (30) Priority: 02.11.1987 GB 19870025634 (71) Applicant: ROBERTS WEAVER DESIGN LIMITED London W11 2SA (GB)	(72) Inventor: CANNING, Reginald, Paul Hertfordshire AL3 5PP (GB) (74) Representative: Brunner, Michael John, et al  GILL JENNINGS & EVERY Broadgate House 7 Eldon Street London EC2M 7LH London EC2M 7LH (GB)