Patent ID: 6763867
Filing Date: 2004-07-20
Classification: B60C,D02G,Y10T

Abstract:
A pneumatic radial tire having a carcass layer mounted between a pair of right and left bead portions and a belt layer embedded in the outer peripheral side of the carcass layer in a tread portion, wherein a belt cover layer comprising fiber cords made of filaments of polyolefin ketone having a structure represented by the following formula is disposed around the outer peripheral side of the belt layer, and an elongation rate of the fiber cords composing the belt cover layer is equal or inferior to 2.5% in the tire;â€”(CH2â€”CH2â€”CO)nâ€”(Râ€”CO)mâ€”â€ƒâ€ƒ(1) where, 1.05&gE;(n+m)/n&gE;1.00,R is an alkylene group having three or more carbons.