Patent ID: 8167014

Claim:
A manufacturing method of a pneumatic tire having a plurality of first and second positions, respectively, at intervals along a tire circumferential direction and including a tread forming step of forming a non-conductive tread rubber, wherein the tread forming step includes a first step of forming the tread rubber in such a manner that a shoulder portion becomes smaller in diameter toward the outside in the tire width direction, a second step of setting up a conductive layer extending along a tire circumferential direction while alternately passing through the plurality of first positions which are exposed to a tread surface of the shoulder portion, and the plurality of the second positions which are outside of the first positions in the tire width direction, and which come into contact with a rim or a conductive rubber portion being capable of conducting from the rim, and a third step of forming a finish cross sectional shape of the tread rubber by adding a non-conductive rubber to the shoulder portion of the tread rubber.