Patents Assigned to Societe Industrielle de Decoration et Application "Sida"
  • Patent number: 4385588
    Abstract: A device for depositing an electrifiable material, e.g. cut strands, fleece, flock, upon an adhesive-coated surface comprises a vibrating sieve which is formed by a multiplicity of cylindrical parallel elements in line contact along respective generatrices and in line contact with an enclosure. In the interstices between these elements the electrifiable material passes through a grid on the bottom of this sieve which is connected to a high voltage source so that electrostatic forces assist in a transfer of the material to the adhesive. The application pattern is determined by a mask on the upper portion of the sieve and a complementary mask on a similar sieve through which excess particles are evacuated from the application region.
    Type: Grant
    Filed: November 26, 1980
    Date of Patent: May 31, 1983
    Assignee: Societe Industrielle de Decoration et Application "Sida"
    Inventor: Remy J. P. Bennetot