Electric arc resistant lightweight fabrics
AssigneeE. I. Du Pont de Nemours and Company
InventorJames R. Green
Life of this patent
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Abstract
Woven fabrics wherein the warp yarns contain specified amounts of heat resistant fibers blended with cotton fiber provide protection against radiation given off by electric arcs.
Claims6
A woven fabric having both warp and fill yarns and a basis weight of 135 to 203 g./m suitable for use in clothing having resistance to radiant energy from electric arcs yet offering a high degree of comfort to the wearer comprising warp yarns which contain a blend of 15-50% heat resistant staple fibers having a Limited Oxygen Index of at least 25 and 50-85% of flame retardant cotton and fill yarns comprising 0 to 50% of heat resistant fibers and 50 to 100% of cotton in the case of 2.times.1 and 3.times.1 twill fabrics and 50 to 85% of cotton in the case of plain weave fabrics, the yarns having a linear-density of 215.550 dtex.
Dependencies are inferred from the claim text.