(19)

(11)

EP 0 734 302 A1

(12)

(43) Date of publication: 02.10.1996 Bulletin 1996/40 (21) Application number: 95904356.0 (22) Date of filing: 16.12.1994

(51) International Patent Classification (IPC):  B23D 53/ 00( . ) B23D 59/ 00( . ) B23D 53/ 04( . ) (86) International application number: PCT/AU1994/000778 (87) International publication number: WO 1995/016536 (22.06.1995 Gazette 1995/26)

(84) Designated Contracting States: AT DE ES FR GB IT (30) Priority: 17.12.1993 AU 1993PM03028 (71) Applicant: ROBERT CAMERON & CO. PTY. LTD. Burswood. W.A. 6100 (AU)	(72) Inventor: CAMERON, Robert, George Applecross, W.A. 6153 (AU) (74) Representative: McCarthy, Denis Alexis, et al  MacLachlan & Donaldson 47 Merrion Square Dublin 2 Dublin 2 (IE)