(19)

(11)

EP 0 478 633 A1

(12)

(43) Date of publication: 08.04.1992 Bulletin 1992/15 (21) Application number: 90909479.0 (22) Date of filing: 22.06.1990

(51) International Patent Classification (IPC):  A24B 3/ 06( . ) B26D 3/ 28( . ) B26D 1/ 02( . ) (86) International application number: PCT/GB1990/000965 (87) International publication number: WO 1991/000029 (10.01.1991 Gazette 1991/02)

(84) Designated Contracting States: DE GB IT (30) Priority: 23.06.1989 GB 19890014447 (71) Applicant: THE CARDWELL MACHINE COMPANY (UK) Hants GU14 7QU (GB)	(72) Inventors: OWEN, Roy, Arthur Hants GU14 7BQ (GB) KIRKMAN, Douglas Surrey GU9 8PX (GB) GIRLING, Alan, Michael Hants SP10 1JN (GB) (74) Representative: Valentine, Francis Anthony Brinsley, et al  REDDIE & GROSE 16 Theobalds Road London WC1X 8PL London WC1X 8PL (GB)