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(11)

EP 3 590 146 A1

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(43) Date of publication: 08.01.2020 Bulletin 2020/02 (21) Application number: 18712364.1 (22) Date of filing: 05.03.2018

(51) International Patent Classification (IPC):  H01M 10/04(2006.01) H01M 10/12(2006.01) H01M 10/18(2006.01) (86) International application number: PCT/US2018/020902 (87) International publication number: WO 2018/161075 (07.09.2018 Gazette 2018/36)

(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: KH MA MD TN (30) Priority: 03.03.2017 US 201715449238 (71) Applicant: East Penn Manufacturing Co. Lyon Station, PA 19536 (US)	(72) Inventors: FAIRCHILD, Stephen K. Kutztown, PA 19530 (US) DENGLER, Kenneth R. Jr. New Tripoli, PA 18066 (US) (74) Representative: Grünecker Patent- und Rechtsanwälte PartG mbB  Leopoldstraße 4 80802 München 80802 München (DE)