(19)

(11)

EP 3 200 944 A1

(12)

(43) Date of publication: 09.08.2017 Bulletin 2017/32 (21) Application number: 15847168.0 (22) Date of filing: 30.09.2015

(51) International Patent Classification (IPC):  B23B 27/16(2006.01) B23C 5/20(2006.01) B23C 5/06(2006.01) (86) International application number: PCT/US2015/053130 (87) International publication number: WO 2016/054154 (07.04.2016 Gazette 2016/14)

(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: 30.09.2014 US 201414502035 (71) Applicant: Eip Holdings LLC Houghton, Michigan 49931 (US)	(72) Inventors: ENDRES, William J. Houghton, Michigan 49931 (US) WOODRUFF, Douglas J. Atlantic Mine, Michigan 49905 (US) KROLL, Ryan R. Hancock, Michigan 49930 (US) (74) Representative: GPI & Associés  EuroParc de Pichaury Bâtiment B2 - 1er Etage 1330, rue Guillibert de la Lauzière 13856 Aix-en-Provence Cedex 3 13856 Aix-en-Provence Cedex 3 (FR)