(19)

(11)

EP 2 437 915 A2

(12)

(88) Date of publication A3: 27.01.2011 (43) Date of publication: 11.04.2012 Bulletin 2012/15 (21) Application number: 10755217.6 (22) Date of filing: 28.05.2010

(51) International Patent Classification (IPC):  B24B 3/42(2006.01) (86) International application number: PCT/GB2010/050906 (87) International publication number: WO 2010/139986 (09.12.2010 Gazette 2010/49)

(84) Designated Contracting States: AL 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 (30) Priority: 01.06.2009 GB 0909336 (71) Applicant: Albrion Sales Limited London NW9 6LH (GB)	(72) Inventor: EDGERLEY, David Anthony Greater London NW3 2NH (GB) (74) Representative: Gallafent, Richard John  GALLAFENTS LLP 27 Britton Street London EC1M 5UD London EC1M 5UD (GB)