Proportioning systems

Details Proportioning systems Proportioning systems

1975-05-21

1977-01-11

Tollberg, Stanley H.

Dispensing

Plural sources, compartment, containers and/or spaced jacket

Interconnected discharge volume varying means

222145, 222148, B67D 564

Patent

active

040022714

ABSTRACT:
Pistons of one pair of double-acting cylinders are connected to opposite sides of one point of a lever, one being driven by one chemical and the other supplying the chemical to a mixing and applying gun. A second pair of pistons of a second pair of double-acting cylinders are connected to the lever at a second point on the lever, a distance from the pivot point of the lever either the same or a predetermined fraction of the distance of the first-mentioned point from the pivot point of the lever, and are driven by a second chemical and supplying the second chemical to the gun, the cylinders all being of the same diameter. Valving actuated by the lever reverses the drives of the pistons automatically. In an alternate embodiment, supplies of the chemicals to the gun may be cut off and a solvent supplied to the gun to prevent the chemicals in the gun from setting up.

REFERENCES:
patent: 1964028 (1934-06-01), Boynton et al.
patent: 3790030 (1974-02-01), Ives
patent: 3876114 (1975-04-01), Hicks et al.

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