Patent ID: 6119747
Filing Date: 2000-09-19
Classification: B60C,D07B,Y10S

Abstract:
A steel cord for the reinforcement of rubber articles, the steel cord having a two-layer construction, which steel cord comprises a cord consisting of two steel filaments and a sheath arranged around the core and consisting of nine steel filaments, wherein a twisting pitch of the two steel filaments constituting the core is not less than 30 mm on average, and a ratio (ds/dc) of the diameter ds of each steel filament constituting the sheath to the diameter dc of each steel filament constituting the core is within a range of 35-80%, and a ratio (a/b) of the minor diameter a to the major diameter b of the cord cross-section in an arbitrary position in the longitudinal direction of the cord is within a range of 63-100%.