A STEEL CORD FOR RUBBER REINFORCEMENT
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United States of America Patent
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Issued Date -
Mar 7, 2024
app pub date -
Nov 30, 2021
filing date -
Dec 21, 2020
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Abstract
The invention is relating to a steel cord for rubber reinforcement. The steel cord has a construction comprising an outer layer and an inner strand surrounded by and adjacent to the outer layer, the inner strand comprises at least one steel filament with a number of N1 and an average diameter of d1 expressed in mm, the outer layer comprises steel filaments with a number of N2 and an average diameter of d2 expressed in mm, the inner strand has a torque T1 and the outer layer has a torque T2, the relation between T1 and T2 are defined. By doing this, the tip rise problem of the rubber ply reinforced by steel cords is reduced.
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