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(11)

EP 3 676 428 A1

(12)

(43) Date of publication: 08.07.2020 Bulletin 2020/28 (21) Application number: 18850619.0 (22) Date of filing: 29.08.2018

(51) International Patent Classification (IPC):  D01F 6/58(2006.01) D03D 3/04(2006.01) D04B 1/16(2006.01) D03D 1/00(2006.01) D03D 15/12(2006.01) (86) International application number: PCT/US2018/048451 (87) International publication number: WO 2019/046369 (07.03.2019 Gazette 2019/10)

(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: 29.08.2017 US 201762551563 P (71) Applicant: Advanced Flexible Composites, Inc. Lake In The Hills, IL 60156 (US)	(72) Inventors: LEWIS, William, Christopher Saint Charles IL 60175 (US) LEWIS, Barton, Roy Algonquin IL 60102 (US) LEWIS, William, James Naples FL 34119 (US) (74) Representative: Rentsch Partner AG  Bellerivestrasse 203 Postfach 8034 Zürich 8034 Zürich (CH)