Patent ID: 8407977
Filing Date: 2013-04-02
Classification: B60C,D07B,Y10T

Abstract:
1. A steel cord having a carbon content above 0.60% for reinforcing rubber products, said steel cord with an oval cross-section having a structure of m+n, said m being the number of the core wires ( 26 ) and ranging from 1 to 4, said n being the number of the outer layer wires ( 22 ) and ranging from 4 to 15, wherein said core wire ( 26 ) is untwisted while m is 1 or said core wires ( 26 ) are untwisted and aligned in parallel while m is between 2 and 4, said outer layer wires ( 22 ) are twisted around said core wires ( 26 ), said core wires ( 26 ) has an oval cross-section, and said outer layer wires ( 22 ) have a round cross-section, said wires in said steel cord have carbon content not less than 0.60%.