(19)

(11)

EP 2 991 509 A2

(12)

(88) Date of publication A3: 24.12.2014 (43) Date of publication: 09.03.2016 Bulletin 2016/10 (21) Application number: 14711576.0 (22) Date of filing: 13.03.2014

(51) International Patent Classification (IPC):  A24B 3/04(2006.01) (86) International application number: PCT/GB2014/050763 (87) International publication number: WO 2014/177833 (06.11.2014 Gazette 2014/45)

(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 RS SE SI SK SM TR Designated Extension States: BA ME (30) Priority: 01.05.2013 GB 201307860 (71) Applicant: Dickinson Legg Limited Winchester, Hampshire SO23 7SS (GB)	(72) Inventor: WHITE, Thomas Henry Winchester Hampshire SO23 7SS (GB) (74) Representative: chapman + co  18 Staple Gardens Winchester, Hampshire SO23 8SR Winchester, Hampshire SO23 8SR (GB)