(19)

(11)

EP 0 570 525 A1

(12)

(43) Date of publication: 24.11.1993 Bulletin 1993/47 (21) Application number: 92907270.0 (22) Date of filing: 05.02.1992

(51) International Patent Classification (IPC):  F16C 32/ 04( . ) H01L 39/ 00( . ) F16C 39/ 06( . ) H01L 39/ 12( . ) (86) International application number: PCT/US1992/000889 (87) International publication number: WO 1992/014271 (20.08.1992 Gazette 1992/22)

(84) Designated Contracting States: DE FR GB (30) Priority: 06.02.1991 US 19910651719 06.02.1991 US 19910652341 06.02.1991 US 19910651839 (71) Applicant: AlliedSignal Inc. Morristown, New Jersey 07962-2245 (US)	(72) Inventors: ARMSTRONG, Timothy, R. Palos Verdes Estates, CA 90274 (US) ESOPA, John, R. Hermosa Beach, CA 90278 (US) RIGNEY, Thomas, K., II Torrance, CA 90504 (US) SAVILLE, MArshall, P. Lawndale, CA 90260 (US) (74) Representative: Poidatz, Emmanuel  Conseil en Brevets d'Invention 96, Boulevard Malesherbes F-75017 Paris F-75017 Paris (FR)