Koehring Company

Hach Chemical Company

Wayne P Zemke

Clifford C Hach

Clyde M Maki

Brian J Smith

The present invention relates to a method and apparatus for applying a thin film of a liquid to a vibratory plate arranged on an edge of a vibratory compactor. The apparatus for applying the thin film of liquid includes a container assembly for holding the liquid adjacent the plate. Liquid is preferably supplied to the container assembly under the influence of gravity. An element for maintaining intimate contact between a thin liquid film and a front surface of the plate as the thin film moves downwardly along the plate surface is arranged within a lower portion of the container assembly. The element is arranged adjacent to an outlet from the container provided along substantially the entire width of the front plate. The thin liquid film flows from the container as a low velocity laminar flow along the surface of the plate in the form of a liquid sheet. The liquid remains in contact with the plate surface due primarily to surface tension as the liquid moves downwardly.

Method and apparatus for applying a thin liquid film to a vibratory plate

A mechanical strainer having a stack of alternate discs and blades biased together, the discs being slowly driven by a motor and the blades being anchored on the strainer frame, which discs and blades are perforated so that water surrounding the strainer can leak into the perforations of the stack. A passage is formed in the frame communicating with the perforations of the stack, and a tube leading to where the water is desired is coupled to the frame passage. The result is a kind of labyrinth rotary seal having intended leakage.

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Port Washington, WI, United States of America

Wayne P Zemke