(19)

(11)

EP 0 113 356 A1

(12)

(43) Date of publication: 18.07.1984 Bulletin 1984/29 (21) Application number: 83901312.0 (22) Date of filing: 29.04.1983

(51) International Patent Classification (IPC):  C08G 81/ 00( . ) C09J 177/ 00( . ) F16L 47/ 02( . ) C09J 161/ 12( . ) F16C 33/ 20( . ) (86) International application number: PCT/AU1983/000051 (87) International publication number: WO 1983/003835 (10.11.1983 Gazette 1983/26)

(84) Designated Contracting States: AT BE CH DE FR GB LI LU NL SE (30) Priority: 30.04.1982 AU 19820003802 (71) Applicant: ESDAN EXTRUSION PTY. LIMITED Kirrawee, NSW 2232 (AU)	(72) Inventor: REYNOLDS, Gregg North Strathfield, NSW 2137 (AU)