Pneumatic tire and manufacturing method of the same

DRIVE March 27, 2013
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A pneumatic tire has a tread rubber made of a nonconductive rubber. The tread rubber (10) is provided with a first and second conductive portions (13, 14) made of a conductive rubber. The first conductive portion (13) extends radially inwardly from a ground-contacting surface, extends to one side in tire width direction, and reaches a carcass layer (7) or a side wall rubber (9). An exposed position of the first conductive portion (13) is separated from a tire equator (C) at a distance is equal to or more than 10 % of a ground-contacting width. The second conductive portion (14) extends radially inwardly from the ground-contacting surface, extends to the other side in tire width direction, and reaches the carcass layer (7) or the side wall rubber (9). An exposed position of the second conductive portion (14) is separated from the tire equator (C) at a distance is equal to or more than 10 % of the ground-contacting width.

Discussion in the ATmosphere

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