(19)

(11)

EP 0 772 755 A1

(12)

(43) Date of publication: 14.05.1997 Bulletin 1997/20 (21) Application number: 95923500.0 (22) Date of filing: 05.07.1995

(51) International Patent Classification (IPC):  B21D 53/ 02( . ) F24H 9/ 12( . ) F24D 19/ 08( . ) F28F 9/ 26( . ) (86) International application number: PCT/GB1995/001581 (87) International publication number: WO 1996/001399 (18.01.1996 Gazette 1996/04)

(84) Designated Contracting States: AT BE CH DE ES FR IT LI NL SE (30) Priority: 05.07.1994 GB 19940013554 (71) Applicant: ITW Limited Windsor Berkshire SL4 3BD (GB)	(72) Inventor: Burton, Douglas Charles Brownshill, West Midlands WS8 7PJ (GB) (74) Representative: Leach, John Nigel, et al  FORRESTER & BOEHMERT Franz-Joseph-Strasse 38 80801 München 80801 München (DE)