Patent ID: 7891394
Filing Date: 2011-02-22
Classification: B60C,C08K,C08L,Y10T

Abstract:
1. A pneumatic tire having a rubber sidewall comprised of, based upon parts by weight per 100 parts by weight rubber (phr): (A) an outer, visible annular configured sidewall rubber layer which comprises, based upon parts by weight per 100 parts by weight rubber (phr): (B) an inner non visible annular configured sidewall rubber layer integral with and underlying said outer sidewall layer where said inner sidewall rubber layer is comprised of multiple separate adjoining thin layers of a rubber composition which comprises, based upon parts by weight per 100 parts by weight rubber (phr): wherein said short fibers are substantially aligned in a parallel relationship to each other and substantially parallel to said annular configured inner sidewall rubber layer, and wherein said tire further is comprised of a carcass which contains a rubber carcass ply comprised of a rubber encapsulated cord reinforcement of a plurality of cords, wherein said cords extend in a radial direction outward from a bead portion of the tire to its circumferential tread, wherein said cords are spaced apart in a substantially parallel relationship to each other, wherein said rubber carcass ply is integral with and underlies said inner rubber sidewall layer and where said short fibers of said inner rubber sidewall layer are substantially aligned in a perpendicular direction to said cords of said underlying carcass ply.