Patent ID: 8042582

Claim:
A pneumatic tire equipped with at least a tread part, a sidewall part, a bead part, and a carcass extending from said tread part through said sidewall part to said bead part, and provided with a breaker part on the outside of said carcass in the radial direction of the tire, wherein volume resistivity of each of a tread rubber, a sidewall rubber, a breaker rubber, and a carcass rubber formed in said tread part, said sidewall part, said breaker part, and said carcass respectively is set to 1×10 12 Ω·cm or more, a conductive layer having volume resistivity of 1×10 11 Ω·cm or less is provided between a carcass ply constituting said carcass and said sidewall rubber, said conductive layer has an exposed part to the tire surface, a rubber cement layer contacting with at least a part of said exposed part of said conductive layer and at least a part of the region that becomes a grounding surface in said tread part to the road surface is provided, wherein said conductive layer and said rubber cement layer include 100 parts by mass of a diene rubber and 1 to 30 parts by mass per 100 parts by mass of the diene rubber of a compound having an oxyethylene unit, said conductive layer includes a filler, and said filler includes 50% by mass or more of silica.