(19)

(11)

EP 0 159 324 A1

(12)

(43) Date of publication: 30.10.1985 Bulletin 1985/44 (21) Application number: 84903271.0 (22) Date of filing: 04.09.1984

(51) International Patent Classification (IPC):  F16L 17/ 035( . ) (86) International application number: PCT/AU1984/000168 (87) International publication number: WO 1985/001094 (14.03.1985 Gazette 1985/07)

(84) Designated Contracting States: AT BE CH DE FR GB LI LU NL SE (30) Priority: 07.09.1983 AU 19830001281 (71) Applicant: FINRING MANUFACTURING PTY. LTD. Sunnybank, Queensland, 4109 (AU)	(72) Inventor: WILSON, Ralph Sunnybank, QLD 4109 (AU)