Tire
AssigneeBridgestone Corporation
InventorTakahisa Shizuku
Life of this patent
Estimating the term…
Abstract
Provided is a tire in which a steel cord applied to a carcass ply has improved corrosion resistance to water penetration, fretting resistance, and cord untwisting resistance. Provided is a tire including a carcass ply (1) as a skeleton. The carcass ply is reinforced by a steel cord including no wrapping filament. The steel cord is composed of a plurality of steel filaments having 3 or more core filaments, at least a part of the surface of each of the plurality of steel filaments is coated with a resin material containing at least an ionomer, and when a resin component contained in the resin material is composed of a single resin, the melting point of the resin material is 150° C. or less, and when the resin component is composed of a composition containing two or more resins, the softening point of the resin material is 150° C. or less.
Claims16
A tire comprising a carcass ply as a skeleton, wherein
- the carcass ply is reinforced by a steel cord including no wrapping filament, the steel cord is composed of a plurality of steel filaments having 3 or more core filaments, at least a part of a surface of each of the plurality of steel filaments is coated with a resin material containing at least an ionomer, and when a resin component contained in the resin material is composed of a single resin, a melting point of the resin material is 150° C. or less, and when the resin component is composed of a composition containing two or more resins, a softening point of the resin material is 150° C. or less, and
- wherein the resin material further contains a resin modified with an acid anhydride.
Dependencies are inferred from the claim text.