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GRINDING DIAMOND WHEEL, AND METHOD OF MAKING SAME

  • US 3,830,020 A
  • Filed: 01/27/1972
  • Issued: 08/20/1974
  • Est. Priority Date: 10/22/1969
  • Status: Expired due to Term
First Claim
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1. A grinding wheel for forming a generally convex peripheral surface from a generally flat peripheral surface in a glass plate whereby the amount of materials that have to be ground away from the generally flat peripheral surface varies from a minimum at the center of the peripheral surface to a maximum at its edges, a generally concave grinding layer of a selected thickness disposed about the periphery of said wheel and having a shape the complement of that to be imparted to said flat peripheral surface, said layer being comprised of a binder and diamond particles and the amount of said diamond particles varying uniformly and evenly in distribution throughout said thickness from a minimum concentration at the center of said concave surface to a maximum at its edges and in proportion to the amount of materials that have to be ground away from said flat peripheral surface to form said convex peripheral surface.

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