Patents Assigned to Volstatic Limited
  • Powder deposition apparatus
    Patent number: 5152839
    Abstract: Sheet material is fed from a sheet supply station to a sheet receiving station and is guided by guiding means which defines a downwardly converging spray chamber floor and spray chamber side walls. The sheet material can be replaced when soiled by advancing a new length from the supply station to the receiving station.
    Type: Grant
    Filed: September 10, 1990
    Date of Patent: October 6, 1992
    Assignee: Volstatic Limited
    Inventors: Geoffrey M. Boyce, Ferdinando Trevisan
  • Improved spray chamber for powder deposition
    Patent number: 4934308
    Abstract: Sheet material is fed from a sheet supply station to a sheet receiving station and is guided by guiding means which define the floor as well as the side walls of a spray chamber. The sheet material can be replaced when soiled by advancing a new length from the supply station to the receiving station.
    Type: Grant
    Filed: January 6, 1989
    Date of Patent: June 19, 1990
    Assignee: Volstatic Limited
    Inventors: Geoffrey M. Boyce, Ferdinando Trevisan