Patent ID: 8281828

Claim:
A pneumatic tire comprising: at least one circumferential main groove formed in a tread portion and extending in the tire-circumferential direction; a plurality of columns of land areas defined in the tread portion by the circumferential main groove; a plurality of lug grooves formed in at least one of the plurality of land-area columns, each of the lug grooves extending in the tire-width direction and having at least one end formed as a dead end located in the corresponding land area; and a plurality of sipes each extending so as to surround the corresponding lug groove, each sipe intersecting with the lug groove in question in an area adjacent to the dead end of the lug groove, but without communicating with adjacent ones of the lug groove, and each sipe communicating with the corresponding single one of the circumferential main grooves at the two ends of the sipe.