(19)

(11)

EP 0 248 848 A1

(12)

(43) Date of publication: 16.12.1987 Bulletin 1987/51 (21) Application number: 87900013.0 (22) Date of filing: 11.12.1986

(51) International Patent Classification (IPC):  B21D 1/ 14( . ) (86) International application number: PCT/AU1986/000378 (87) International publication number: WO 1987/003549 (18.06.1987 Gazette 1987/13)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI LU NL SE (30) Priority: 11.12.1985 AU 19850003830 (71) Applicant: WALL, Rodney Darcy Tumbi Umbi, NSW 2261 (AU)	(72) Inventor: WALL, Rodney Darcy Tumbi Umbi, NSW 2261 (AU)