Assertion: radial tire's reinforcement layer | /r/MadeOf | a layer of steel cords
Facets:
Source sentences:
text: This invention relates to a pneumatic radial tire, which has a belt reinforcement layer consisting of a layer of steel cords and a layer of aromatic polyamide fiber cords having its side ends turned over toward each other, and which is characterized in that the diameter of the cords in the layer of aromatic polyamide fiber cords, the number of these cords in use and the properties of covering rubber are specifically set to thereby improve the durability of the tire, especially, the durability in bent portions of the aromatic polyamide fiber cords.