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(11)

EP 3 174 658 A1

(12)

(43) Date of publication: 07.06.2017 Bulletin 2017/23 (21) Application number: 15826535.5 (22) Date of filing: 29.07.2015

(51) International Patent Classification (IPC):  B23B 51/04(2006.01) B27B 5/12(2006.01) E21B 10/02(2006.01) B23B 47/00(2006.01) B27B 5/29(2006.01) E21B 25/00(2006.01) (86) International application number: PCT/US2015/042682 (87) International publication number: WO 2016/019032 (04.02.2016 Gazette 2016/05)

(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: 29.07.2014 US 201414446164 (71) Applicant: Western Saw Manufacturers, Inc. Oxnard, CA 93030-8998 (US)	(72) Inventor: BARATTA, Anthony Oak Park, CA 91377 (US) (74) Representative: Viering, Jentschura & Partner mbB Patent- und Rechtsanwälte  Am Brauhaus 8 01099 Dresden 01099 Dresden (DE)