(19)

(11)

EP 1 761 737 A1

(12)

(43) Date of publication: 14.03.2007 Bulletin 2007/11 (21) Application number: 05717835.2 (22) Date of filing: 01.03.2005

(51) International Patent Classification (IPC):  F42B 39/14(2006.01) F42D 5/04(2006.01) F42B 39/24(2006.01) F42D 5/045(2006.01) (86) International application number: PCT/GB2005/000756 (87) International publication number: WO 2005/085746 (15.09.2005 Gazette 2005/37)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU MC NL PL PT RO SE SI SK TR (30) Priority: 02.03.2004 GB 0404634 16.03.2004 GB 0405860 (71) Applicant: CINTEC INTERNATIONAL LIMITED Newport, South Wales NP20 4PH (GB)	(72) Inventor: JAMES, Peter Gwent NP6 6QP (GB) (74) Representative: Jones, Ithel Rhys  Wynne-Jones, Laine & James, Morgan Arcade Chambers, 33 St Mary Street Cardiff CF10 1AF Cardiff CF10 1AF (GB)