(19)

(11)

EP 1 006 803 A1

(12)

(43) Date of publication: 14.06.2000 Bulletin 2000/24 (21) Application number: 98940386.0 (22) Date of filing: 26.08.1998

(51) International Patent Classification (IPC)7: A21D 15/02, F25D 13/06 (86) International application number: PCT/GB9802/560 (87) International publication number: WO 9911/135 (11.03.1999 Gazette 1999/10)

(84) Designated Contracting States: AT BE CH DE DK ES FR IE IT LI NL PT SE (30) Priority: 28.08.1997 GB 9718226 (71) Applicant: Triphase Limited Bingley,West Yorkshire BD16 2DU (GB)	(72) Inventors: NORFOLK, Michael Paul Otley,North Yorkshire LS21 2EH (GB) GRIEVE, Alexander Duncan Berwick o Tweed,Northumberland TD15 2BS (GB) (74) Representative: Robson, Aidan John et al Reddie & Grose16 Theobalds Road London WC1X 8PL London WC1X 8PL (GB)