PROCESS FOR MAKING UNIFORM HIGH STRENGTH YARNS AND FIBROUS SHEETS

Methods for preparation of high strength yarns having superior yarn-to-ya rn uniformity of denier, tenacity and tensile modulus and uniform unidirecti onal fibrous sheets. Ballistic composites prepared from these yarns and fibr ous sheets have improved uniformity of ballistic resistance. The drawn y...

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Bibliographische Detailangaben
Hauptverfasser:	TAN, CHOK B, TAM, THOMAS Y-T, ARVIDSON, BRIAN D
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBONFILAMENTS CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS,THREADS, FIBRES, BRISTLES OR RIBBONS CONVEYING FINISHING OR DRESSING OF FILAMENTS, YARNS, THREADS, CORDS,ROPES OR THE LIKE HANDLING THIN OR FILAMENTARY MATERIAL HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS,CABLES MECHANICAL FINISHING OF YARNS OR ROPES NATURAL OR ARTIFICIAL THREADS OR FIBRES PACKING PERFORMING OPERATIONS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS SPINNING STORING TEXTILES TRANSPORTING WARPING OR BEAMING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL YARNS
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Beschreibung
Zusammenfassung:	Methods for preparation of high strength yarns having superior yarn-to-ya rn uniformity of denier, tenacity and tensile modulus and uniform unidirecti onal fibrous sheets. Ballistic composites prepared from these yarns and fibr ous sheets have improved uniformity of ballistic resistance. The drawn yarns , fibrous sheets and articles made therefrom are more uniform than the prior art and are useful in applications requiring impact absorption and ballisti c resistance, such as body armor, helmets, breast plates, helicopter seats, spall shields; composite sports equipment such as kayaks, canoes, bicycles a nd boats; and in fishing line, sails, ropes, sutures and fabrics.