(19)

(11)

EP 0 513 270 A1

(12)

(43) Date of publication: 19.11.1992 Bulletin 1992/47 (21) Application number: 91919955.0 (22) Date of filing: 13.11.1991

(51) International Patent Classification (IPC):  B29C 45/ 00( . ) F16J 15/ 10( . ) B29K 105/ 16( . ) C09K 3/ 10( . ) F16J 15/ 12( . ) B29L 31/ 26( . ) (86) International application number: PCT/GB1991/001997 (87) International publication number: WO 1992/008917 (29.05.1992 Gazette 1992/12)

(84) Designated Contracting States: DE ES FR IT (30) Priority: 13.11.1990 GB 19900024678 (71) Applicant: T&N TECHNOLOGY LIMITED Rugby Warwickshire, CV22 7SB (GB)	(72) Inventor: FERDANI, Philip Rugby, Warwickshire CV33 6QD (GB) (74) Representative: Crux, John Anthony T&N plc, Group Patent Department, et al  Bowdon House Ashburton Road West Trafford Park Manchester M17 1RA Manchester M17 1RA (GB)