Patents Assigned to Mil Mutzarim Techniim (1971) B.M.
  • Patent number: 4824072
    Abstract: There is disclosed a tub diaphragm valve for controlling hydraulic flow therethrough. The valve includes a diaphragm composed of innermost and outermost layers formed of elastic resiliently distortable fluid tight material and an intermediate layer of mesh material of relatively limited stretchability being unbonded to the innermost and outermost layers.
    Type: Grant
    Filed: July 21, 1987
    Date of Patent: April 25, 1989
    Assignee: Mil Mutzarim Techniim (1971) B.M.
    Inventor: Avi Zakai
  • Patent number: 4451023
    Abstract: A tube valve having a tube that closes the valve by being moved to a position juxtaposed to an impervious support structure having a traversing impervious barrier and that opens the valve by being moved away from the support structure wherein the "water hammer" effect is minimized by tube movement resistance generated by the barrier configuration.
    Type: Grant
    Filed: September 8, 1981
    Date of Patent: May 29, 1984
    Assignee: Mil Mutzarim Techniim (1971) B.M.
    Inventor: Avi Zakai