Reinforcement cord
AssigneeE. I. Du Pont de Nemours and Company
InventorJal N. Kerawalla
Life of this patent
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Abstract
A cord useful for mechanical rubber goods, e.g. tires, V-belts, conveyor belts, composed of twisted plies of poly(p-phenyleneterephthalamide) continuous filaments and nylon or polyester continuous filaments.
Claims3
A cord for reinforcement of mechanical rubber goods comprising a cabled yarn of one or two ends of poly(p-phenyleneterephthalamide) continuous filament yarn and one end of nylon or polyester continuous filament yarn, each end having a denier between 500 and 3000, the ends being approximately equal in size and twisted in the same direction, the combined ends being twisted approximately the same amount in the opposite direction to form a cabled yarn having a twist multiplier of between about 6 and 10.
Dependencies are inferred from the claim text.