(19)

(11)

EP 2 346 363 A2

(12)

(88) Date of publication A3: 15.07.2010 (43) Date of publication: 27.07.2011 Bulletin 2011/30 (21) Application number: 09785600.9 (22) Date of filing: 09.09.2009

(51) International Patent Classification (IPC):  A24B 7/12(2006.01) B24B 3/36(2006.01) (86) International application number: PCT/GB2009/051144 (87) International publication number: WO 2010/029348 (18.03.2010 Gazette 2010/11)

(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 SM TR Designated Extension States: AL BA RS (30) Priority: 09.09.2008 GB 0816491 (71) Applicant: Dickinson Legg Limited Winchester, Hampshire SO23 7SS (GB)	(72) Inventor: WHITE, Thomas, Henry Winchester Hampshire SO23 7AY (GB) (74) Representative: Bonner, Catherine Louise  Chapman Molony 20 Staple Gardens GB-Winchester SO23 8SR GB-Winchester SO23 8SR (GB)