(19)

(11)

EP 0 805 725 A1

(12)

(43) Date of publication: 12.11.1997 Bulletin 1997/46 (21) Application number: 96900650.0 (22) Date of filing: 23.01.1996

(51) International Patent Classification (IPC):  B22D 18/ 02( . ) (86) International application number: PCT/GB1996/000137 (87) International publication number: WO 1996/022851 (01.08.1996 Gazette 1996/35)

(84) Designated Contracting States: CH DE DK ES FR GB IT LI SE (30) Priority: 23.01.1995 GB 19950001261 (71) Applicant: HI-TEC METALS LIMITED Chandlers Ford, Eastleigh, Hampshire SO53 4BZ (GB)	(72) Inventor: CHADWICK, Geoffrey, Allan Hampshire SO23 0JJ (GB) (74) Representative: Bayliss, Geoffrey Cyril, et al  BOULT WADE TENNANT, 27 Furnival Street London EC4A 1PQ London EC4A 1PQ (GB)