Steel cord for tire and radial tire
AssigneeThe Yokohama Rubber Co., Ltd.
InventorsMinoru Hirachi, Susumu Imamiya
Life of this patent
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Abstract
A steel cord for a tire which increases a corrosion resistance and durability and improves the energy efficiency during curing of the tire and a radial tire using the same. This steel cord has an m+n twist structure comprising a core containing m pieces of wires and a sheath containing n pieces of wires, in which a rubber compound or an elastomer compound is filled into a space between the core and the sheath. Otherwise, the steel cord has a 1×N twist structure containing N pieces of wires, in which a rubber compound or an elastomer compound is filled into a space at a cord center surrounded by the N pieces of wires.
Claims10
A steel cord for a tire having an m+n twist structure comprising a core containing m pieces of wires and a sheath containing n pieces of wires, wherein an unvulcanized rubber compound is filled into a space between said core and said sheath.
A steel cord for a tire having the m+n twist structure comprising a core containing m pieces of wires and a sheath containing n pieces of wires, wherein a thermoplastic elastomer compound is filled into a space between said core and said sheath.
A steel cord for a tire with a 1×N twist structure containing N pieces of wires, wherein an unvulcanized rubber compound is filled into a space at a cord center surrounded by said N pieces of wires.
A steel cord for a tire with the 1×N twist structure containing N pieces of wires, wherein a thermoplastic elastomer compound is filled into a space at a cord center surrounded by said N pieces of wires.
Dependencies are inferred from the claim text.