(19)

(11)

EP 0 764 064 A1

(12)

(43) Date of publication: 26.03.1997 Bulletin 1997/13 (21) Application number: 95921901.0 (22) Date of filing: 09.06.1995

(51) International Patent Classification (IPC):  B21B 37/ 38( . ) B21B 27/ 10( . ) B21B 37/ 28( . ) (86) International application number: PCT/GB1995/001354 (87) International publication number: WO 1995/034388 (21.12.1995 Gazette 1996/02)

(84) Designated Contracting States: AT BE DE FR GB IT NL SE (30) Priority: 13.06.1994 GB 19940011820 (71) Applicant: DAVY McKEE (POOLE) LIMITED Poole Dorset BH12 5AG (GB)	(72) Inventor: ROBERT, John, Beattie Dorset BH18 9NB (GB) (74) Representative: Kirk, Geoffrey Thomas  BATCHELLOR, KIRK & CO. 2 Pear Tree Court Farringdon Road London EC1R 0DS London EC1R 0DS (GB)