(19)

(11)

EP 0 153 323 A1

(12)

(43) Date of publication: 04.09.1985 Bulletin 1985/36 (21) Application number: 84902434.0 (22) Date of filing: 18.06.1984

(51) International Patent Classification (IPC):  B21C 37/ 28( . ) B21D 7/ 025( . ) B21C 37/ 29( . ) B21J 9/ 08( . ) (86) International application number: PCT/AU1984/000108 (87) International publication number: WO 1985/000023 (03.01.1985 Gazette 1985/01)

(84) Designated Contracting States: AT BE CH DE FR GB LI LU NL SE (30) Priority: 16.06.1983 AU 19830009842 16.06.1983 AU 19830009843 26.09.1983 AU 19830001560 (71) Applicant: ENACO (AUSTRALIA) PTY. LTD. East Melbourne, VIC 3002 (AU)	(72) Inventor: BERGER, Pierre, Emile Park Orchards, VIC 3114 (AU)