(19)

(11)

EP 2 300 174 A2

(12)

(88) Date of publication A3: 04.11.2010 (43) Date of publication: 30.03.2011 Bulletin 2011/13 (21) Application number: 09750104.3 (22) Date of filing: 22.05.2009

(51) International Patent Classification (IPC):  B07B 1/00(2006.01) B02C 21/02(2006.01) B07B 1/46(2006.01) B60P 3/00(2006.01) (86) International application number: PCT/GB2009/001294 (87) International publication number: WO 2009/141626 (26.11.2009 Gazette 2009/48)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK TR Designated Extension States: AL BA RS (30) Priority: 23.05.2008 GB 0809380 16.08.2008 GB 0815005 (71) Applicant: Ballard, Tobias B. Dartford, Kent DA1 2EH (GB)	(72) Inventor: Ballard, Tobias B. Dartford, Kent DA1 2EH (GB) (74) Representative: Adams, Harvey Vaughan John et al Mathys & Squire LLP 120 Holborn London EC1N 2SQ London EC1N 2SQ (GB)