Patent ID: 7874335
Filing Date: 2011-01-25
Classification: B60C,Y10T

Abstract:
1. A pneumatic tire comprising a tread, a carcass having at least one belt ply disposed below the tread, and a cap ply located between the carcass and the tread, wherein the cap ply comprises: a first layer of an open construction leno weave tape having warp yarns in the longitudinal direction and weft yarns in the weft direction, disposed in a flat helical pattern around the circumference of the carcass in the area of the belt ply, wherein the leno weave tape has a width in a range of from about 5 mm to about 25 mm, wherein the leno weave tape makes more than three full revolutions around the circumference of the tire carcass; a second layer of an open construction leno weave tape having warp yarns in the longitudinal direction and weft yarns in the weft direction, disposed in a flat helical pattern around the circumference of the carcass in the area of the belt ply, wherein the leno weave tape has a width in a range of from about 5 mm to about 25 mm, wherein the leno weave tape makes more than three full revolutions around the circumference of the tire carcass; and, wherein the first and second layers of leno weave tape are staggered so that the leno weave tape in the second layer cover the edges of the leno weave tape in the first layer, wherein the weft yarns in the first layer of leno weave tape comprise hybrid yarns.