(19)

(11)

EP 1 252 418 A2

(12)

(88) Date of publication A3: 14.03.2002 (43) Date of publication: 30.10.2002 Bulletin 2002/44 (21) Application number: 01902531.1 (22) Date of filing: 31.01.2001

(51) International Patent Classification (IPC)7: F01L 1/20 (86) International application number: PCT/GB0100/410 (87) International publication number: WO 0105/7367 (09.08.2001 Gazette 2001/32)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR Designated Extension States: AL LT LV MK RO SI (30) Priority: 02.02.2000 GB 0003300 25.10.2000 GB 0026081 (71) Applicant: McKechnie Specialist Products Limited Aldrige, Walsall,West Midlands WS9 8DS (GB)	(72) Inventor: McKechnie Specialist Products Limited Aldrige, Walsall,West Midlands WS9 8DS (GB) (74) Representative: Lally, William  FORRESTER & BOEHMERTPettenkoferstrasse 20-22 80336 München 80336 München (DE)