Mattson Spray Equipment, Inc.

Charles O Breitsprecher

An air-operated spray gun for spraying two fluid components in proportional amounts has the fluids fed separately from a pair of fluid cylinders each containing a fluid-operated double-acting piston with the volumes of each cylinder being in accord with the desired proportion of the fluids. The fluids are fed from the cylinders through fluid flow control valves which are switchable between a first position for directing fluid from a fluid source into one end of its associated cylinder and out the opposite end of the cylinder to the spray gun and a second position for directing the fluid out of the one end of the cylinder to the spray gun and into the opposite end of the cylinder from the fluid source. Air control valves instantaneously switch the fluid flow control valves from one position to the other. Sensing devices operate the air control valves when the cylinder pistons reach the ends of their strokes.

Proportioner for fluid spray gun with air valve control

An air-operated fluid spray gun for mixing multiple fluids together almost simultaneously with depositing the mixture on a surface by directing an atomized stream of one fluid out the end of the gun barrel toward the surface and injecting an atomized stream of another fluid generally radially into the first stream so that the streams mix thoroughly and the mixture is almost simultaneously deposited on the surface.

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Plymouth, MN, United States of America

Charles O Breitsprecher