(19)

(11)

EP 3 117 179 A1

(12)

(43) Date of publication: 18.01.2017 Bulletin 2017/03 (21) Application number: 15716109.2 (22) Date of filing: 05.03.2015

(51) International Patent Classification (IPC):  G01B 3/22(2006.01) G01B 7/06(2006.01) G01B 5/06(2006.01) G01D 5/14(2006.01) (86) International application number: PCT/GB2015/050633 (87) International publication number: WO 2015/136243 (17.09.2015 Gazette 2015/37)

(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 Designated Validation States: MA (30) Priority: 11.03.2014 GB 201404284 (71) Applicant: Product Innovation Limited London NW2 4DT (GB)	(72) Inventor: FRANK, Peter London Greater London NW2 4DT (GB) (74) Representative: Whitlock, Holly Elizabeth Ann et al Maucher Jenkins 26 Caxton Street London SW1H 0RJ London SW1H 0RJ (GB)