(19)

(11)

EP 3 973 099 A1

(12)

(43) Date of publication: 30.03.2022 Bulletin 2022/13 (21) Application number: 20728561.0 (22) Date of filing: 20.05.2020

(51) International Patent Classification (IPC):  D06N 7/00(2006.01) B60N 3/04(2006.01) D04H 5/12(2012.01) B32B 5/26(2006.01) A47G 27/00(2006.01) D04H 5/00(2012.01) B32B 5/02(2006.01) (52) Cooperative Patent Classification (CPC): D04H 5/00; D04H 5/12; D06N 7/0068; D06N 7/0071; D06N 7/0081 (86) International application number: PCT/IB2020/054758 (87) International publication number: WO 2020/234784 (26.11.2020 Gazette 2020/48)

(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: 22.05.2019 EP 19175831 (71) Applicant: Low & Bonar Inc. Enka, North Carolina 28728 (US)	(72) Inventor: TYLER, Rob Canton, North Carolina 28716 (US) (74) Representative: CPW GmbH  Kasinostraße 19-21 42103 Wuppertal 42103 Wuppertal (DE)