ENHANCED ENERGY ABSORBING MATERIALS

Dense, highly stable, high performance ballistic material comprises at least one woven layer of ballistic grade fiber (preferably a stack of such layers) and at least one nonwoven layer of fabric which is entangled with the woven or unidirectional layer by needle felting. The resulting core material...

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Bibliographische Detailangaben
Hauptverfasser:	ERB, DAVID F., JR, RITTER, ERIC D, PRICE, ALLEN L
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	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 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 MEANS OF ATTACK OR DEFENCE, e.g. CAMOUFLAGE, IN GENERAL MECHANICAL ENGINEERING NON-WOVEN FABRICS PERFORMING OPERATIONS TEXTILES TRANSPORTING TRIMMINGS WADDING WEAPONS
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Beschreibung
Zusammenfassung:	Dense, highly stable, high performance ballistic material comprises at least one woven layer of ballistic grade fiber (preferably a stack of such layers) and at least one nonwoven layer of fabric which is entangled with the woven or unidirectional layer by needle felting. The resulting core material does not require assembly of individual woven layers during subsequent manufacture of ballistic articles and exhibits excellent ballistic performance at low areal densities and thicknesses. L'invention concerne un matériau balistique à performance et stabilité élevées, dense, comprenant au moins une couche tissée de fibre de qualité balistique (de préférence, un empilement de ces couches) et au moins une couche non tissée de tissu enchevêtré dans la couche unidirectionnelle ou tissée par feutrage d'aiguille. Le matériau noyau qui en résulte ne nécessite pas d'assemblage de couche tissée individuelle durant la fabrication ultérieure d'articles balistiques et présente d'excellentes performances balistiques à des densités de superficie et des épaisseurs faibles.