Patent ID: 9109328
Filing Date: 2015-08-18
Classification: B60C,D02G,D07B,D10B,Y10T

Abstract:
1. A steel cord comprising a plurality of steel filaments arranged in parallel without twisting, said steel cord further comprising a wrapping filament twisted around said steel filaments, said plurality of steel filaments being flat wires having flat surfaces, said plurality of steel filaments being in contact with each other along said flat surfaces, the lateral bending stiffness (in a horizontal plane) is greater than the radial bending stiffness (in a vertical plane), wherein the cross-section of said steel cord is substantially round, wherein said steel filaments have different cross-sectional areas, wherein said steel filament near the center of said steel cord has the bigger cross-sectional area, and said steel filament further away from the center of said steel cord has the smaller cross-sectional area.