(19)

(11)

EP 1 224 072 A1

(12)

(43) Date of publication: 24.07.2002 Bulletin 2002/30 (21) Application number: 00966300.6 (22) Date of filing: 09.10.2000

(51) International Patent Classification (IPC)7: B29D 11/00 (86) International application number: PCT/GB0003/875 (87) International publication number: WO 0130/559 (03.05.2001 Gazette 2001/18)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL Designated Extension States: AL LT LV MK RO SI (30) Priority: 25.10.1999 GB 9925202 (71) Applicant: Hydron Limited Farnborough, Hants GU14 8EQ (GB)	(72) Inventors: SUTTON, Howard Stephen Winchester SO21 1AH (GB) TIPTON, Wade Marcel Petersfield,Hampshire GU32 3BA (GB) (74) Representative: Alcock, David  D Young & Co,21 New Fetter Lane London EC4A 1DA London EC4A 1DA (GB)