Pneumatic tire
阅读：556发布：2021-01-03
专利汇可以提供Pneumatic tire专利检索，专利查询，专利分析的服务。并且A radial tire with a pair of folded breaker strips for annularly reinforcing the tire. An unfolded breaker strip, laterally spanning the folded breaker strips, is positioned between the carcass plies and nearest folded breaker. The unfolded breaker includes reinforcing cords having an angular disposition between the angles of the cords reinforcing the carcass plies and folded breakers.，下面是Pneumatic tire专利的具体信息内容。
1. A pneumatic tire, comprising: a. at least one carcass ply reinforced with cords disposed at angles in the range of from 70*-90* measured from the centerplane (CP) of the tire; b. a pair of folded breakers disposed between the carcass ply and tread of the tire for annularly reinforcing the tire, each folded breaker including at least one pair of strips, each of which has reinforcement cords disposed at similar angles, the cord angles of the reinforcement cords of adjacent strips being in the range of from 10*-25* measured in opposite directions from the centerplane (CP) of the tire, the folded edge of each folded breaker being in farther spaced relation from the centerplane (CP) than free ends of the adjacent folded breaker; and c. a single other breaker with reinforcing cords, interposed between the carcass ply and closest strip of the nearest folded breaker, said single breaker having latEral edges in farther spaced relation from the centerplane (CP) of the tire than the folded edges of the folded breakers, the reinforcement cords of the carcass ply, single breaker, and closest strip of the nearest breaker, extending in the same direction relative to the centerplane such that the cord angles of the cords are measured in the same direction from the centerplane, and the cord angle of said single breaker being, numerically, between the cord angles of the carcass ply and closest strip of the nearest folded breaker.
2. The pneumatic tire of claim 1, wherein the single other breaker is an unfolded breaker with reinforcing cords disposed at angles in the range of from 25*-65* measured from the centerplane (CP) of the tire.
3. The pneumatic tire of claim 2, wherein the unfolded breaker includes reinforcing cords angularly disposed in bisecting relation to the angle between correspondingly measured cords of the nearest carcass ply and closest strip of the nearest folded breaker.
4. The pneumatic tire of claim 2, wherein the folded breakers include reinforcing cords composed of material selected from the group consisting of rayon, nylon, and polyester.
5. The pneumatic tire of claim 4, wherein the unfolded breaker includes reinforcing cords composed of material selected from the group consisting of rayon, nylon, and polyester.
6. The pneumatic tire of claim 5, wherein the carcass ply includes reinforcing cords composed of material selected from the group consisting of rayon, nylon, and polyester.
7. The pneumatic tire of claim 2, wherein lateral edges of the unfolded breaker are spaced from the centerplane (CP) a distance (S) of at least 5 millimeters more than adjacent folded edges of the folded breakers.
8. The pneumatic tire of claim 7, wherein the spacing (S) is in the preferred range of from 10-30 millimeters.
9. A pneumatic tire, comprising: a. at least one carcass ply reinforced with cords disposed at angles in the range of from 70*-90* measured from the centerplane (CP) of the tire; b. a pair of folded breakers disposed between the carcass ply and tread of the tire for annularly reinforcing the tire, each folded breaker including at least one pair of strips each of which has reinforcement cords disposed at similar angles, the cord angles of the reinforcement cords of adjacent strips being in the range of from 10*-25* measured in opposite directions from the centerplane (CP) of the tire, the folded edges of each folded breaker being in farther spaced relation from the centerplane (CP) than free ends of the adjacent folded breaker; and c. at least one other unfolded breaker interposed between the carcass ply and closest strip of the nearest folded breaker, the unfolded breaker having lateral edges which are spaced a distance (S), measured from the centerplane (CP), of at least 5 millimeters more than adjacent folded edges of the folded breakers, the reinforcement cords of the carcass ply, unfolded breaker, and closest strip of the nearest breaker, extending in the same direction relative to the centerplane such that the cord angles of said cords are measured in the same direction from the centerplane, the cord angle of the unfolded breaker being, numerically, between the cord angles of the carcass ply and closest strip of the nearest breaker, and the unfolded breaker having reinforcing cords disposed at angles in the range of from 25*-65* measured from the centerplane (CP) of the tire.
10. The pneumatic tire of claim 9, wherein the reinforcing cords of the carcass, folded and unfolded breakers, are composed of material selected from the group consisting of rayon, nylon, and polyester.
11. The pneumatic tire of claim 10, wherein the spacing (S) is in the range of from 10-30 millimeters.
12. The pneumatic tire of claim 11, wherein the reinforcing cords of the unfolded breaker are disposed in bisecting relAtion to the angle between correspondingly measured cords of the nearest carcass ply and closest strip of the nearest folded breaker.
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