Pneumatic tire
AssigneeThe Goodyear Tire & Rubber Company
InventorsSaburo Miyabe, Tadao Matsumoto
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AssigneeThe Goodyear Tire & Rubber Company
InventorsSaburo Miyabe, Tadao Matsumoto
Estimating the term…
A tread surface 2 is divided by inner and outer longitudinal grooves 3a and 3b located on opposite sides of the tire equator into a central land portion 4i, intermediate land portions 4m and shoulder land portions 4o. The intermediate land portion 4i includes an inclined grooves 9 having an angle θ with respect to the circumferential direction of the tire, and the angle is increased from an inner end (mi) away from the inner longitudinal grooves 3a by a small distance La to an outer end (mo) where the intermediate land portion intersects with the outer longitudinal grooves 3b. An angle θi in the inner end (mi) is 0 to 25°, and an angle θo in the outer end (mo) is 60 to 80°. A pitch P1 of the inclined grooves 9 in the circumferential direction is greater than a pitch P2 of lug grooves 5 provided in the shoulder land portion 4o in the circumferential direction.
A pneumatic tire in which a tread surface thereof is divided into a central land portion between inner longitudinal grooves, intermediate land portions between the inner and outer longitudinal grooves, and shoulder land portions axially outside the outer longitudinal grooves, by being provided with the inner longitudinal grooves extending on both sides of a tire equator in a circumferential direction of the tire and the outer longitudinal grooves extending on both sides thereof in the circumferential direction of the tire, wherein
Dependencies are inferred from the claim text.