(19)

(11)

EP 2 864 523 A1

(12)

(43) Date of publication: 29.04.2015 Bulletin 2015/18 (21) Application number: 13732606.2 (22) Date of filing: 20.06.2013

(51) International Patent Classification (IPC):  C23F 13/06(2006.01) C23F 13/10(2006.01) E02B 17/00(2006.01) B63B 59/00(2006.01) C23F 13/18(2006.01) (86) International application number: PCT/GB2013/051627 (87) International publication number: WO 2013/190314 (27.12.2013 Gazette 2013/52)

(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: 20.06.2012 GB 201210929 (71) Applicant: E M&I (Maritime) Limited Wilmslow, Cheshire SK9 5ND (GB)	(72) Inventors: MORTLOCK, David Wilmslow Cheshire SK9 5ND (GB) CONSTANTINIS, Daniel Wilmslow Cheshire SK9 5ND (GB) (74) Representative: HGF Limited  Belgrave Hall Belgrave Street Leeds LS2 8DD Leeds LS2 8DD (GB)