Patent ID: 8899007
Filing Date: 2014-12-02
Classification: D07B,Y10T

Abstract:
1. A steel cord adapted for the reinforcement of rubber products, said steel cord being a multi-strand structure that includes a core strand and multiple peripheral strands concentrically surrounding said core strand; each of said core and peripheral strands comprising a centre of two or more centre filaments and two layers of filaments surrounding the centre; the core strand having a diameter D1 which is greater than the diameter D2 of the peripheral strands; a radially outer layer having a twist angle which is greater than a twist angle of a radially inner layer of the same strand; wherein said cord comprises six of said peripheral strands concentrically surrounding said core strand, and wherein in said cord each of the strands is composed of no more than twenty-six filaments being twisted together, and in each strand the diameter of the filaments in the centre are greater than or equal to the diameter of the filaments of the radially inner layer.