Patents Assigned to H & W Systems Corporation
  • Fluid coolant cleaning system for machine tool applications
    Patent number: 5167839
    Abstract: An improved conveyor system for machine tool cleaning applications comprises a sump internal to a machine tool, a recirculating system in fluid communication with the sump, a hinge belt conveyor, portions of which are interposed between the sump and the recirculating system for removing coarse solids from the fluid, and a fine filter interposed between the sump and the recirculating system for removing fine solids from the fluid.
    Type: Grant
    Filed: July 23, 1991
    Date of Patent: December 1, 1992
    Assignee: H & W Systems Corporation
    Inventors: Kemble Widmer, II, George F. Coogan, Bobby L. Heffner, Bryce E. Bairey