(19)

(11)

EP 0 232 301 A1

(12)

(43) Date of publication: 19.08.1987 Bulletin 1987/34 (21) Application number: 86904277.0 (22) Date of filing: 07.07.1986

(51) International Patent Classification (IPC):  A61F 5/ 00( . ) (86) International application number: PCT/GB1986/000392 (87) International publication number: WO 1987/000034 (15.01.1987 Gazette 1987/01)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI LU NL SE (30) Priority: 05.07.1985 GB 19850017092 (71) Applicant: TAYLOR, Thomas Vincent Bowdon, Cheshire WA14 3JY (GB)	(72) Inventor: TAYLOR, Thomas Vincent Bowdon, Cheshire WA14 3JY (GB) (74) Representative: Marsh, Roy David, et al  Urquhart-Dykes & Lord Midsummer House 411C Midsummer Boulevard Central Milton Keynes MK9 3BN Central Milton Keynes MK9 3BN (GB)