(19)

(11)

EP 0 264 387 A1

(12)

(43) Date of publication: 27.04.1988 Bulletin 1988/17 (21) Application number: 87902010.0 (22) Date of filing: 11.03.1987

(51) International Patent Classification (IPC):  A61F 13/ 49( . ) A61F 13/ 58( . ) A61F 13/ 56( . ) (86) International application number: PCT/US1987/000520 (87) International publication number: WO 1987/005471 (24.09.1987 Gazette 1987/21)

(84) Designated Contracting States: BE DE FR GB IT NL SE (30) Priority: 14.03.1986 US 19860840429 (71) Applicant: AVERY INTERNATIONAL CORPORATION Pasadena California 91103 (US)	(72) Inventors: BORGERS, Leo B-2460 Kasterlee (BE) DHONDT, Paul, J. B-2350 Vosselaar (BE) (74) Representative: Holdcroft, James Gerald, Dr., et al  Graham Watt & Co., Riverhead Sevenoaks, Kent TN13 2BN Sevenoaks, Kent TN13 2BN (GB)