×

Grinding wheel for shaping flat glass

  • US 9,649,747 B2
  • Filed: 08/14/2012
  • Issued: 05/16/2017
  • Est. Priority Date: 09/09/2011
  • Status: Active Grant
First Claim
Patent Images

1. A grinding wheel, comprising:

  • at least one abrasive portion comprising at least one metallic binder and diamonds distributed in the metallic binder,wherein the metallic binder comprises;

    from 58 to 75% by weight of tungsten;

    from 30 to 37% by weight of bronze, wherein the bronze comprises from 75 to 85% by weight of copper and from 15 to 25% by weight of tin;

    from 0.5 to 5% by weight of chrome; and

    from 0.5 to 5% by weight of nickel,wherein the metallic binder has a Rockwell B hardness of between 95 and 105, andwherein the diamonds have a size of between 75 and 95 μ

    m and a concentration of between 2.2 ct/cm3 and 2.64 ct/cm3.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×