(19)

(11)

EP 0 670 977 A1

(12)

(43) Date of publication: 13.09.1995 Bulletin 1995/37 (21) Application number: 93921316.0 (22) Date of filing: 01.09.1993

(51) International Patent Classification (IPC):  F16J 15/ 34( . ) (86) International application number: PCT/US1993/008289 (87) International publication number: WO 1995/006212 (02.03.1995 Gazette 1995/10)

(84) Designated Contracting States: DE FR GB IT NL SE (71) Applicant: DURAMETALLIC CORPORATION Kalamazoo Michigan 49001-4163 (US)	(72) Inventor: SEDY, Josef Mount Prospect, IL 60056 (US) (74) Representative: Valentine, Francis Anthony Brinsley  REDDIE & GROSE 16 Theobalds Road London WC1X 8PL London WC1X 8PL (GB)