Patents Assigned to Flexcon Industries Trust
  • Expansion tank with double diaphragm
    Patent number: 7322488
    Abstract: A double-diaphragm bladder. The bladder comprises a non-flexible diaphragm having a peripheral edge and a flexible diaphragm having a peripheral edge. The non-flexible diaphragm has an aperture adapted and constructed to be connected to a liquid port, and the peripheral edges of the non-flexible diaphragm and the flexible diaphragm are sealed together. The bladder is suitable for use in an expansion tank.
    Type: Grant
    Filed: October 12, 2005
    Date of Patent: January 29, 2008
    Assignee: Flexcon Industries Trust
    Inventors: Robert Lombari, David van Houten