Fire-blocking textile fabric
AssigneeE. I. Du Pont de Nemours and Company
InventorsMichael A. Blaustein, Dennis A. Nollen, Loretta A. G. Page
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Abstract
A textile fabric suitable for use as a fire-blocking sheet in aircraft seat cushion comprises three to seven, fastened together nonwoven layers of hydarulically needled batts of aramid staple fibers.
Claims12
A textile fabric suitable for use as a fire-blocking sheet comprising three to seven, fastened together nonwoven layers, each layer being a non-apertured, hydraulically needled batt weighing in the range of 1 to 3 oz/yd.sup.2 and consisting essentially of 25 to 100 weight percent of poly(p-phenylene terephthalamide) staple fibers and 0 to 75 weight percent of poly(m-phenylene isophthalamide) staple fibers, the total weight of all the layers being at least 6 oz/yd.sup.2.
Dependencies are inferred from the claim text.