PNEUMATIC TIRE AND MANUFACTURING METHOD FOR THE SAME

PROBLEM TO BE SOLVED: To provide a pneumatic tire that can reduce electric resistance of the tire while suppressing disconnection of an electrical conductivity system, and a manufacturing method for the same.SOLUTION: The pneumatic tire has a carcass including a carcass ply 6A leading from a tread part 2 through side wall parts 3 to bead cores 5 of bead parts 4. On at least one surface of the carcass ply 6A is arranged at least one electrical conductivity system 10 extending continuously from one of the bead parts 4 to the other of the bead parts 4. The electrical conductivity system 10 includes first parts 21 extending linearly over buttress parts 20 and second parts 22 extending in a wavelike fashion at tire equator sides or the bead part 4 sides of the first parts 21.SELECTED DRAWING: Figure 3 【課題】導電性糸の断線を抑制しつつタイヤの電気抵抗を小さくし得る空気入りタイヤ及びその製造方法を提供する。【解決手段】トレッド部２からサイドウォール部３をへてビード部４のビードコア５に至るカーカスプライ６Ａを含むカーカスを有する空気入りタイヤである。カーカスプライ６Ａの少なくとも一方の面に、一方のビード部４から他方のビード部４まで途切れることなくのびる少なくとも１本の導電性糸１０が配置されている。導電性糸１０は、バットレス部２０を直線状にのびる第１部分２１と、第１部分２１のタイヤ赤道側又はビード部４側で波状にのびる第２部分２２とを含む。【選択図】図３