(19)

(11)

EP 1 629 200 A1

(12)

(43) Date of publication: 01.03.2006 Bulletin 2006/09 (21) Application number: 04734867.7 (22) Date of filing: 26.05.2004

(51) International Patent Classification (IPC):  F04B 41/06(1968.09) F04B 39/14(1968.09) F04B 41/00(1968.09) (86) International application number: PCT/GB2004/002247 (87) International publication number: WO 2004/106741 (09.12.2004 Gazette 2004/50)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR (30) Priority: 30.05.2003 GB 0312442 (71) Applicant: Arctic Circle Limited Hereford HR2 6JL (GB)	(72) Inventor: GITTOES, Edwin, Arthur Herefordshire HR9 6LZ (GB) (74) Representative: Jones, Graham Henry et al Graham Jones & Company Blackheath 77 Beaconsfield Road London SE3 7LG London SE3 7LG (GB)