(19)

(11)

EP 3 397 420 A1

(12)

(43) Date of publication: 07.11.2018 Bulletin 2018/45 (21) Application number: 16823524.0 (22) Date of filing: 22.12.2016

(51) International Patent Classification (IPC):  B23K 9/32(2006.01) H05H 1/34(2006.01) B23K 35/02(2006.01) (86) International application number: PCT/US2016/068251 (87) International publication number: WO 2017/116967 (06.07.2017 Gazette 2017/27)

(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 MD (30) Priority: 29.12.2015 US 201514982014 (71) Applicant: Camarc LLC Westland, MI 48185 (US)	(72) Inventor: HUGHES, Russell, Vernon Plymouth MI 48170 (US) (74) Representative: Rankin, Douglas  Marks & Clerk LLP Aurora 120 Bothwell Street Glasgow G2 7JS Glasgow G2 7JS (GB)