Patents Assigned to ECC International Ltd.
  • Screening system
    Patent number: 5382370
    Abstract: A process for continuously separating relatively coarse particles from a suspension of a mixture of particles in a liquid wherein the suspension is caused to pass through a screening medium which is rotating in its own plane so that the coarse particles are retained on the surface of the screening medium; characterized in that atmospheric pressure above the screening medium is caused to be in excess of the pressure below that medium.
    Type: Grant
    Filed: April 7, 1993
    Date of Patent: January 17, 1995
    Assignee: ECC International Ltd.
    Inventors: Thomas R. Jones, Reginald L. Phillips, Hugh R. Falcon-Steward
  • Process of separating using a rotating screen
    Patent number: 5366639
    Abstract: A method of and apparatus for continuously separating relatively coarse particles from a suspension of mixture of particles in a liquid by impinging the suspension upon the surface of a rotating screen so that liquid containing the relatively fine particles passes through the screen and the relatively coarse particles are flung radially outwardly to the periphery of the screen the preferred screen is a woven wire mesh with aperture sizes conveniently in the size range from about 0.020 mm to about 2.00 mm.
    Type: Grant
    Filed: July 14, 1992
    Date of Patent: November 22, 1994
    Assignee: ECC International Ltd.
    Inventors: Thomas R. Jones, Reginald L. Phillips