Tire steel cords and method of manufacturing thereof
AssigneeKokoku Steel Wire Ltd.
InventorHidenori Watakabe
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Abstract
A tire steel cord formed of more than three strands twisted together, at least one of the strands being marked so as to formed therein with zig-zagging marked parts which form gaps between strands, rubber accordingly immersing the steel cord into its center part through the thus formed gaps so as to fill in a cavity in the center part of the steel cord.
Claims1
A steel tire cord comprising more than three strands of wire, each strand extending in a longitudinal direction thereof, said strands of wire being twisted together, and at least one of said strands extending in a zig-zagging manner along the longitudinal direction thereof so as to form sharp angles therealong, said tire cord having gaps in a center thereof corresponding to positions of the angles.
Dependencies are inferred from the claim text.