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EP 3 612 659 A1

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(43) Date of publication: 26.02.2020 Bulletin 2020/09 (21) Application number: 18708240.9 (22) Date of filing: 30.01.2018

(51) International Patent Classification (IPC):  C23C 4/02(2006.01) C23C 4/10(2016.01) C22C 47/16(2006.01) B29C 65/00(2006.01) C23C 4/12(2016.01) (86) International application number: PCT/US2018/015946 (87) International publication number: WO 2018/200053 (01.11.2018 Gazette 2018/44)

(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 TN (30) Priority: 26.04.2017 US 201762490416 P (71) Applicant: Fisher-Barton Inc. Watertown, WI 53094 (US)	(72) Inventors: CRAWMER, Daryl, E. Columbus WI 53925 (US) DOWNS, Irina, P. Madison WI 53703 (US) WATTS, James, M. Columbus WI 53925 (US) MEUER, Raymond, A. Watertown WI 53098 (US) (74) Representative: Prüfer & Partner mbB Patentanwälte · Rechtsanwälte  Sohnckestraße 12 81479 München 81479 München (DE)