PNEUMATIC RADIAL TIRE

In a pneumatic tire, a plurality of belt layers disposed on an outer circumferential side of a carcass layer in a tread portion are formed of steel cords each having a 1×M structure formed of a number of wire strands. The number of wire strands corresponds to one to six wire strands. A tensile modul...

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Bibliographische Detailangaben
Hauptverfasser:	SUZUKI, Asuka, HARIKAE, Shinya
Format:	Patent
Sprache:	eng
Schlagworte:	DEVICES OR ARRANGEMENTS RELATED TO TYRES PERFORMING OPERATIONS REPAIRING, OR CONNECTING VALVES TO, INFLATABLE ELASTIC BODIESIN GENERAL TRANSPORTING TYRE CHANGING OR REPAIRING TYRE INFLATION VEHICLE TYRES VEHICLES IN GENERAL
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Beschreibung
Zusammenfassung:	In a pneumatic tire, a plurality of belt layers disposed on an outer circumferential side of a carcass layer in a tread portion are formed of steel cords each having a 1×M structure formed of a number of wire strands. The number of wire strands corresponds to one to six wire strands. A tensile modulus of elasticity of the steel cords under 5 N to 50 N load is 130 GPa or more. The steel cords are arranged inclined with respect to a tire circumferential direction to intersect each other in layers of the belt layers. The belt cover layer disposed on an outer circumferential side of the belt layers is formed of organic fiber cords having elongation of 2.0% to 4.0% under 2.0 cN/dtex load. The organic fiber cords are wound helically along the tire circumferential direction.