PNEUMATIC TIRE FOR TWO-WHEELED MOTOR VEHICLE

A pneumatic tire for motorcycles is provided which can improve the traction performance especially during sharp cornering by largely leaning a vehicle (motorbike) followed by acceleration, and the stability during leaning of a vehicle in addition to enhancing the steering stability at high speed. A...

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Bibliographische Detailangaben
1. Verfasser:	KATAYAMA, Shinsaku
Format:	Patent
Sprache:	eng ; fre ; ger
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:	A pneumatic tire for motorcycles is provided which can improve the traction performance especially during sharp cornering by largely leaning a vehicle (motorbike) followed by acceleration, and the stability during leaning of a vehicle in addition to enhancing the steering stability at high speed. A pneumatic tire for motorcycles having a tread portion 11 formed in a circular shape, the tread portion 11 having a crown portion which has a spiral belt layer 3 in its inside in the radial direction of the tire, the spiral belt layer having an angle of 0 to 5° with respect to the circumferential direction of the tire and an arrangement width 0.5 to 0.8 times as large as the tread width, wherein the spiral belt layer is arranged in such a manner that the center of the transverse direction of the spiral belt layer coincides with the tire equator and the curvature radius (R1) from the end portion of the spiral belt layer to the end portion of the tread portion is larger than the curvature radius (R2) from the end portion of the spiral belt layer to the tire equatorial plane.