(19)

(11)

EP 0 084 028 A1

(12)

(43) Date of publication: 27.07.1983 Bulletin 1983/30 (21) Application number: 82901101.0 (22) Date of filing: 27.04.1982

(51) International Patent Classification (IPC):  B21D 5/ 16( . ) (86) International application number: PCT/AU1982/000065 (87) International publication number: WO 1982/003805 (11.11.1982 Gazette 1982/27)

(84) Designated Contracting States: AT CH DE FR GB LI NL SE (30) Priority: 27.04.1981 AU 19810008591 24.06.1981 AU 19810009417 (71) Applicant: BROWNE, Douglas Macarthur Dunbogan, N.S.W. 2443 (AU)	(72) Inventor: BROWNE, Douglas Macarthur Dunbogan, N.S.W. 2443 (AU)