Self cleaning mixer and dispenser of fluid materials

Dispensing – Plural sources – compartment – containers and/or spaced jacket – With common discharge

Patent

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Details

222135, 222149, 366187, B67D 108

Patent

active

046887024

ABSTRACT:
A dispenser for mixing fluid materials and dispensing the mixture includes a common passage having an output or dispensing nozzle end and an input end into which the separate fluid materials are injected from separate passages, the common passage being essentially straight and of constant cross section shape and size from end to end, a clean out plunger projecting into the input end of the common passage closing that end when the plunger is at its withdrawn position, a drive for the plunger for driving it through the common passage from the input end to the output end, forcing any material in the common passage out of the dispensing nozzle, so that the common passage is cleaned out and drive for withdrawing the plunger through the common passage back to its withdrawn position so that the materials can again be injected into the common passage and dispensed from the nozzle.

REFERENCES:
patent: 2722357 (1955-11-01), Whitecar
patent: 3353537 (1967-11-01), Knox et al.
patent: 4252255 (1981-02-01), Henderson
patent: 4452917 (1984-06-01), Proksa et al.
patent: 4467943 (1984-08-01), Carse
patent: 4471887 (1984-09-01), Decker
patent: 4523696 (1985-06-01), Commette et al.

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