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US 8,708,013 B2Granted
Pneumatic tires including short fibers
AssigneeBridgeston Americas Tire Operations, LLC
InventorsKatharine M. Cowger, Richard J. Wright, John P. Rodak, Carolyn W. Bernstorf
Life of this patent
Estimating the term…
Abstract
A pneumatic tire comprising a body, a tread, a pair of bead assemblies disposed in the lower section of the body, where said bead assemblies include a bead core and a bead filler, and a pair of sidewalls, where the bead assemblies and pair of sidewalls include vulcanizated rubber, and where at least one of said bead assemblies, or at least one of said sidewalls, or both said bead assemblies and sidewalls include short fibers.
Claims12
A pneumatic tire comprising:
- a body;
- a tread;
- a pair of bead assemblies disposed in the lower section of the body, where said bead assemblies include a bead core and a bead filler;
- and
- a pair of sidewalls extending radially inwardly from the tread and forming axial side exterior surfaces of the tire, where the bead assemblies and pair of sidewalls include vulcanized rubber, and where said vulcanized rubber composition in said sidewalls forms said axial side exterior surfaces of the tire and includes at least 60 parts by weight carbon black per hundred parts by weight rubber and includes at least 5 parts by weight and less than 10 parts by weight per hundred parts by weight rubber of aramid short fibers in a matrix of said vulcanized rubber.
2 more elements
Dependencies are inferred from the claim text.