(19)

(11)

EP 1 737 617 A2

(12)

(88) Date of publication A3: 03.11.2005 (43) Date of publication: 03.01.2007 Bulletin 2007/01 (21) Application number: 04820091.9 (22) Date of filing: 10.12.2004

(51) International Patent Classification (IPC):  B24C 5/02(2006.01) B24C 9/00(2006.01) B24C 7/00(2006.01) B24C 3/06(2006.01) B24C 1/04(2006.01) F04F 5/20(2006.01) (86) International application number: PCT/GB2004/050039 (87) International publication number: WO 2005/056237 (23.06.2005 Gazette 2005/25)

(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: 12.12.2003 GB 0328860 (71) Applicant: Pentagon Glass Tech Limited The Vale, London W3 7QE (GB)	(72) Inventor: FINSTER, Paul Southport, Queensland 4215 (AU) (74) Representative: Brookes Batchellor LLP  102-108 Clerkenwell Road London EC1M 5SA London EC1M 5SA (GB)