(19)

(11)

EP 2 844 420 A1

(12)

(43) Date of publication: 11.03.2015 Bulletin 2015/11 (21) Application number: 12876053.5 (22) Date of filing: 03.05.2012

(51) International Patent Classification (IPC):  B23K 31/02(2006.01) (86) International application number: PCT/US2012/036224 (87) International publication number: WO 2013/165418 (07.11.2013 Gazette 2013/45)

(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: 30.04.2012 US 201213460303 (71) Applicant: Mercier, Craig Harmans, MD 21077 (US)	(72) Inventor: Mercier, Craig Harmans, MD 21077 (US) (74) Representative: Harris, Ian Richard  D Young & Co LLP 120 Holborn London EC1N 2DY London EC1N 2DY (GB)