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EP 3 930 977 A1

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(43) Date of publication: 05.01.2022 Bulletin 2022/01 (21) Application number: 19916654.7 (22) Date of filing: 23.07.2019

(51) International Patent Classification (IPC):  B29C 39/02(2006.01) B32B 27/30(2006.01) E04F 15/10(2006.01) B29C 49/24(2006.01) C08L 27/06(2006.01) (52) Cooperative Patent Classification (CPC): B32B 2307/10; B32B 2264/102; B32B 2264/104; B32B 27/08; B32B 5/18; B32B 3/06; B32B 9/02; B32B 25/08; B32B 27/20; B32B 9/045; B32B 27/16; B32B 2266/0221; E04F 15/105; E04F 15/107; B32B 2419/04; B32B 2307/412; B32B 2255/26; B32B 2307/7265; B32B 2307/75; B32B 27/065; B32B 2255/10; B32B 27/304; B32B 2274/00; B32B 2307/402; B32B 27/308; B32B 2250/03; B32B 2266/08; B32B 2266/06; B32B 2307/41; B32B 2307/554; B32B 2307/40 (86) International application number: PCT/US2019/043026 (87) International publication number: WO 2020/176127 (03.09.2020 Gazette 2020/36)

(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: 27.02.2019 US 201916287840 (71) Applicant: SUNRISE SPC TECHNOLOGY, LLC Houston, TX 77041 (US)	(72) Inventors: TROENDLE, John B. Harahan, Louisiana 70123 (US) QIFENG, Mo Hangzhou City, Jiangsu (CN) (74) Representative: Schmidbauer, Andreas Konrad  Wagner & Geyer Partnerschaft mbB Patent- und Rechtsanwälte Gewürzmühlstrasse 5 80538 München 80538 München (DE)