Apparatus for distributing a fluid substance

Details Apparatus for distributing a fluid substance Apparatus for distributing a fluid substance

1988-05-25

1990-11-20

Hoag, Willard

Plastic article or earthenware shaping or treating: apparatus

Control means responsive to or actuated by means sensing or...

425143, 425547, 425560, B29C 4503

Patent

active

049715470

ABSTRACT:
A system for distributing wax or a similar substance in semi-solid form is provided which includes a liquid wax supply system, a wax conditioning system including a heat exchanger which cools the wax to a semi-solid state and an accumulator for storing conditioned wax until needed, and a die press or similar work station which receives semi-solid wax from the accumulator in a continuous stream or flow. Such a system allows a lost wax die press to operate without need to manually open and reload the press with wax. An automated control system according to the invention allows die press reloading to occur automatically when needed, and operates the wax conditioning system as needed to maintain a supply of wax in the accumulator. Wax tunneling problems are avoided by means of a piston disposed in the heat exchanger which is movably interposed between hot liquid wax entering the heat exchanger and cooler, semi-solid wax leaving the heat exchanger.

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