Patent ID: 6062950
Filing Date: 2000-05-16
Classification: B24B,B29D

Abstract:
A tire grinding apparatus for grinding the surface of a rotating tire, said apparatus comprising:a support arm;a leading grinding wheel rotatably carried by said support arm, said leading grinding wheel adapted to contact the tire;a trailing grinding wheel rotatably carried by said support arm, said trailing grinding wheel adapted to contact the tire behind said leading grinding wheel as the tire rotates with respect to said support arm; andmeans for rotating said grinding wheels;each of said grinding wheels having a rotational axis, said rotational axes of said grinding wheels being substantially parallel to each other;said rotational axes being substantially parallel to the rotational axis of the tire;said means for rotating causing said leading grinding wheel to rotate in an opposite direction from said trailing grinding wheel;said leading and trailing grinding wheels having a roughness, said roughness of said leading grinding wheel being different than said roughness of said trailing grinding wheel.