Patent ID: 7490644

Claim:
A pneumatic tire comprising a main body including: a tread portion, a pair of sidewall portions, a pair of bead portions each having a bead core therein, a carcass extending between the bead portions through the sidewall portions and the tread portion, a light spot in the tire circumferential direction and an opposite spot separated from the light spot at an angle of 180 degrees in the tire circumferential direction, and a noise damper made of a spongy material having a specific gravity in the range of from 0.005 to 0.060 and attached to an inner surface of the tread portion of the main body, the noise damper extending in the tire circumferential direction so as to form a gap part between ends thereof, a center of the gap part being placed within an angle of 60 degrees from the opposite spot in the tire circumferential direction, and at least one end of the noise damper tapering with a taper angle of from 15 to 70 degrees so that a length of the gap part in the tire circumferential direction is gradually decreased toward the inner surface of the tread portion of the main body.