(19)

(11)

EP 1 623 141 A2

(12)

(88) Date of publication A3: 13.01.2005 (43) Date of publication: 08.02.2006 Bulletin 2006/06 (21) Application number: 04730599.0 (22) Date of filing: 30.04.2004

(51) International Patent Classification (IPC):  F16H 1/46(1968.09) B04B 1/20(1968.09) F16H 57/02(1968.09) (86) International application number: PCT/GB2004/001918 (87) International publication number: WO 2004/097255 (11.11.2004 Gazette 2004/46)

(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: 02.05.2003 GB 0310157 (71) Applicant: Incentra Limited Builth Wells, Powys LD2 3BA (GB)	(72) Inventors: MICHAELSEN, Jan Builth Wells, Powys LD2 3BA (GB) HICKS, Raymond, John Llangammarch Wells, Powys LD4 4BS (GB) (74) Representative: Long, Edward Anthony  Hulse & Co, St. James House, 8th Floor, Vicar Lane Sheffield S1 2EX Sheffield S1 2EX (GB)