Patent ID: 6688358
Filing Date: 2004-02-10
Classification: B60C,Y10T

Abstract:
A pneumatic tire comprisinga pair of sidewall portions each provided on the axially outer surface thereof with a side protector, the side protector comprising at least three concentric ribs and at least two circumferential grooves, each defined between the adjacent two ribs, wherein each said circumferential groove has a bottom which is waved so that the depth thereof varies cyclically in the tire circumferential direction and the circumferential groove is composed of a series of deep parts and shallow parts which alternate in the tire circumferential direction, and the shallow parts connect the adjacent ribs with each other, wherein the variation of the depth is in a range of from 0.5 to 2.0 mm and the maximum depth is in a range of from 3 to 5 mm so that the circumferential grooves are circumferentially continuous.