(19)

(11)

EP 0 651 669 A1

(12)

(43) Date of publication: 10.05.1995 Bulletin 1995/19 (21) Application number: 93917894.0 (22) Date of filing: 22.07.1993

(51) International Patent Classification (IPC):  A62C 2/ 10( . ) (86) International application number: PCT/GB1993/001550 (87) International publication number: WO 1994/002208 (03.02.1994 Gazette 1994/04)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 23.07.1992 GB 19920015686 (71) Applicant: ENVIRONMENTAL SEALS LIMITED Dover, Kent, CT15 5HR (GB)	(72) Inventor: WARD, Derek Alfred Maydensole, Dover, Kent CT15 5HR (GB) (74) Representative: Hutchins, Michael Richard, et al  FRY HEATH & SPENCE The Old College 53 High Street Horley Surrey RH6 7BN Horley Surrey RH6 7BN (GB)