IMPREGNATED YARN, RIBBED THIN-WALLED COMPOSITE PRODUCT COMPRISING SUCH AN IMPREGNATED YARN, AND METHOD FOR MANUFACTURING THIS YARN AND THIS COMPOSITE PRODUCT
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United States of America Patent
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Issued Date -
Dec 22, 2022
app pub date -
Nov 13, 2020
filing date -
Nov 13, 2020
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Abstract
The invention relates to an impregnated yarn, a ribbed thin-walled composite product comprising such an impregnated yarn, and a method of making them. Such an impregnated yarn (10d; 10e) comprises at least two continuous strands (10a; 10b) comprising plant fibers (11), said strands (10a; 10b) being impregnated with thermoplastic material (12a) in at least 60% of their volume, each of said strands (10a; 10b) being individually twisted and all of said strands (10a; 10b) also being twisted in a configuration (10d) held by the thermoplastic material (12a).
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