RAPID FABRIC FORMING FOR PENETRATION RESISTANT FABRIC

A flexible penetration resistant stabilized composite, comprising: an interlaced yarn structure of yarns having a tenacity of at least 8 g/d, a tensile modules of at least 150 g/d and an energy to break of at least 10 j/g, the yarn structure further comprising: a plurality of first yarn subgroups (3...

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Bibliographische Detailangaben
Hauptverfasser:	TAM, ALBERT, WALKER, WILLIAM CHARLES, POPPER, PETER, YNGVE, PAUL WESLEY
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	ACCESSORIES ARMOUR ARMOURED OR ARMED VEHICLES ARMOURED TURRETS BLASTING BRAIDING COTTON-WOOL FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS,NON-WOVEN FABRICS HEATING HUMAN NECESSITIES KNITTING LACE-MAKING LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM LIGHTING MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARYMATERIAL MARINE PROPULSION OR STEERING MEANS OF ATTACK OR DEFENCE, e.g. CAMOUFLAGE, IN GENERAL MECHANICAL ENGINEERING NON-WOVEN FABRICS OUTERWEAR PERFORMING OPERATIONS PROTECTIVE GARMENTS RELATED EQUIPMENT SHIPS OR OTHER WATERBORNE VESSELS TEXTILES TRANSPORTING TRIMMINGS WADDING WEAPONS WEARING APPAREL
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Beschreibung
Zusammenfassung:	A flexible penetration resistant stabilized composite, comprising: an interlaced yarn structure of yarns having a tenacity of at least 8 g/d, a tensile modules of at least 150 g/d and an energy to break of at least 10 j/g, the yarn structure further comprising: a plurality of first yarn subgroups (30, 32, 44, 46, 52, 54, 60, 62) having a plurality of yarns oriented in a first angular direction free of crossings, the first yarn subgroups forming a stack with a plurality of second yarn subgroups (36, 38, 48, 50, 56, 58, 64, 66) having a plurality of yarns oriented in a second angular direction free of crossings; the yarns in each subgroup following substantially parallel paths that are spaced apart in a repeating pattern to sparsely cover a common predetermined area; the yarn subgroups are alternately staked with a first subgroup next to a second subgroup, wherein the yarns in the first subgroup cross the yarns in the second subgroup. A first polymeric web may be bound to a first surface of the stack, a second to a second surface. The yarns of the top subgroup can be connected to the bottom subgroup by ultrasonic welding (68, 70, 72, 74).