(19)

(11)

EP 0 854 766 A1

(12)

(43) Date of publication: 29.07.1998 Bulletin 1998/31 (21) Application number: 96932742.0 (22) Date of filing: 11.10.1996

(51) International Patent Classification (IPC):  B23B 47/ 28( . ) (86) International application number: PCT/GB1996/002478 (87) International publication number: WO 1997/013608 (17.04.1997 Gazette 1997/17)

(84) Designated Contracting States: AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 13.10.1995 GB 19950021039 (71) Applicant: Capper, John Leeds, West Yorkshire LS7 4NJ (GB)	(72) Inventor: Capper, John Leeds, West Yorkshire LS7 4NJ (GB) (74) Representative: Watson, Anthony Stephen  2 Lea Croft Clifford Wetherby, LS23 6EY Wetherby, LS23 6EY (GB)