Patents Assigned to Dispak Pty. Ltd.
  • Pressure supply unit
    Patent number: 5215217
    Abstract: A pressure supply unit to supply pressure to a dispensing can, the unit being attached to a gas bulb containing gas under a predetermined pressure. The unit has a chamber pressurized to the desired can pressure, and one wall of the chamber is a diaphragm connected to a needle valve for regulating gas flow from the bulb. A reduction of can pressure causes the diaphragm to move the needle to release gas from the bulb.
    Type: Grant
    Filed: June 3, 1991
    Date of Patent: June 1, 1993
    Assignee: Dispak Pty. Ltd.
    Inventor: Michael J. Leslie