(19)

(11)

EP 0 065 548 A1

(12)

(43) Date of publication: 01.12.1982 Bulletin 1982/48 (21) Application number: 81903228.0 (22) Date of filing: 26.11.1981

(51) International Patent Classification (IPC):  B27K 3/ 06( . ) B27K 3/ 08( . ) B27K 3/ 00( . ) B27K 3/ 32( . ) (86) International application number: PCT/AU1981/000172 (87) International publication number: WO 1982/001848 (10.06.1982 Gazette 1982/15)

(84) Designated Contracting States: AT DE FR GB SE (30) Priority: 26.11.1980 AU 19800006644 (71) Applicant: SCHRODER, John Gilbert Roseville, N.S.W. 2069 (AU)	(72) Inventor: SCHRODER, John Gilbert Roseville, N.S.W. 2069 (AU) (74) Representative: Wotherspoon, Graham, et al  FITZPATRICKS 4 West Regent Street Glasgow G2 1RS Scotland Glasgow G2 1RS Scotland (GB)