(19)

(11)

EP 1 232 025 A1

(12)

(43) Date of publication: 21.08.2002 Bulletin 2002/34 (21) Application number: 00977733.5 (22) Date of filing: 27.11.2000

(51) International Patent Classification (IPC)7: B08B 1/04 (86) International application number: PCT/GB0004/493 (87) International publication number: WO 0103/8015 (31.05.2001 Gazette 2001/22)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE Designated Extension States: AL LT LV MK RO SI (30) Priority: 26.11.1999 GB 9927829 (71) Applicants: Woolford, Peter M. Herts WD7 7LA (GB) Thorn, Jeremy Richard Watford WD1 5HF (GB)	(72) Inventors: Woolford, Peter M. Herts WD7 7LA (GB) Thorn, Jeremy Richard Watford WD1 5HF (GB) (74) Representative: Coates, Ian Harold et al Sommerville & Rushton,45 Grosvenor Road St. Albans, Hertfordshire AL1 3AW St. Albans, Hertfordshire AL1 3AW (GB)