Patents Assigned to Vereinigte Schmirgel- und Machinen Fabriken Aktiengesellschaften
  • Treated polyester fabric for use in flexible abrasives
    Patent number: 4386943
    Abstract: A treated polyester fabric for use as a carrier for a flexible abrasive is impregnated with a substance which comprises at least one amine formaldehyde resin. Preferably, in the dry state, the impregnating substance comprises at least 10% by weight of the resin(s), and weighs at least 20% of the weight of the fabric alone. Urea and melamine formaldehyde resins are particularly useful.
    Type: Grant
    Filed: June 30, 1980
    Date of Patent: June 7, 1983
    Assignee: Vereinigte Schmirgel- und Machinen Fabriken Aktiengesellschaften
    Inventors: Harald Gumbel, Gunter Bigorajski