(19)

(11)

EP 0 879 197 A1

(12)

(43) Date of publication: 25.11.1998 Bulletin 1998/48 (21) Application number: 96928615.0 (22) Date of filing: 27.08.1996

(51) International Patent Classification (IPC):  B26F 1/ 44( . ) B31F 1/ 08( . ) (86) International application number: PCT/GB1996/002131 (87) International publication number: WO 1997/028074 (07.08.1997 Gazette 1997/34)

(84) Designated Contracting States: AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 30.01.1996 GB 19960001827 (71) Applicant: Trimplex Limited London SE28 0AQ (GB)	(72) Inventor: BEST, Thomas Pirchington, Kent CT7 9LB (GB) (74) Representative: Fry, Alan Valentine, et al  FRY HEATH & SPENCE The Old College 53 High Street Horley Surrey RH6 7BN Horley Surrey RH6 7BN (GB)