Patents Assigned to Sunne Gummifabrik AB
  • Noise-reducing blowing nozzle
    Patent number: 3973642
    Abstract: A jet nozzle is described in which the noise is greatly reduced. It comprises a tapering thick-walled tube of rubber or plastic, to the wider end of which a pressurized fluid is supplied through a porous filter body retained by a cup-shaped bowl having a perforated bottom.
    Type: Grant
    Filed: April 1, 1975
    Date of Patent: August 10, 1976
    Assignee: Sunne Gummifabrik AB
    Inventor: Lars Christer Dahlquist