Steel cord
AssigneeHiroyuki Kanai
InventorsFumio Yamashita, Hideharu Kurobe
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Abstract
A steel cord composed of a plurality of material wires intertwisted, having loosely intertwisted portions and tightly intertwisted portions alternately at regular intervals so as to facilitate penetration of a rubber compound into the central part thereof throughout its whole length and to ensure stability of twist.
Claims1
A steel cord composed of a plurality of material wires intertwisted, wherein loosely intertwisted portions and tightly intertwisted portions alternate with each other, and wherein a distance between loosely intertwisted portions is made one pitch or two pitches and wherein the ratio of the cord diameter at a loosely intertwisted portion D.sub.1 to the cord diameter at a tightly intertwisted portion D.sub.2 is in the range of from 1.15 to 1.4.
Dependencies are inferred from the claim text.