(19)

(11)

EP 0 356 485 A1

(12)

(43) Date of publication: 07.03.1990 Bulletin 1990/10 (21) Application number: 89902421.0 (22) Date of filing: 12.01.1989

(51) International Patent Classification (IPC):  E06B 9/ 324( . ) (86) International application number: PCT/US1989/000121 (87) International publication number: WO 1989/007187 (10.08.1989 Gazette 1989/18)

(84) Designated Contracting States: DE GB IT (30) Priority: 04.02.1988 US 19880152261 (71) Applicant: Cooper Industries Inc. Houston TX 77210 (US)	(72) Inventor: WAGER, John, E. Sturgis, MI 49091 (US) (74) Representative: Jackson, Peter Arthur, et al  GILL JENNINGS & EVERY Broadgate House 7 Eldon Street London EC2M 7LH London EC2M 7LH (GB)