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(11)

EP 3 638 843 A2

(12)

(88) Date of publication A3: 14.03.2019 (43) Date of publication: 22.04.2020 Bulletin 2020/17 (21) Application number: 18817116.9 (22) Date of filing: 15.06.2018

(51) International Patent Classification (IPC):  D06M 23/00(2006.01) D02G 3/00(2006.01) D02J 1/14(2006.01) D04H 3/14(2012.01) D01F 11/00(2006.01) D02J 1/04(2006.01) D04H 1/54(2012.01) (86) International application number: PCT/US2018/037906 (87) International publication number: WO 2018/232344 (20.12.2018 Gazette 2018/51)

(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: 15.06.2017 US 201762520056 P (71) Applicant: Natural Fiber Welding, Inc. Peoria, IL 61614 (US)	(72) Inventors: HAVERHALS, Luke Michael Peoria, IL 61614 (US) AMSTUTZ, Aaron Kenneth Peoria, IL 61606 (US) CHOI, Jonglak Peoria, IL 61615 (US) TANG, Xiling Peoria, IL 61615 (US) MOLTER, Michael Dunlap, IL 61525 (US) NULL, Spencer Jacob Peoria, IL 61606 (US) (74) Representative: Stevenson-Hill, Jack Patrick  Marks & Clerk LLP 1 New York Street Manchester M1 4HD Manchester M1 4HD (GB)