Apparatus for mixing materials in molding machines

Dispensing – Snap-acting outlet element – Axially movable tube – sleeve – or apertured cap

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222240, B29B 110

Patent

active

039984397

ABSTRACT:
This invention relates generally to plastic molding machines and more particularly to a mixing chamber connected to a main hopper which is fed by an auxiliary hopper for mixing the materials from the main hopper and auxiliary hopper together wherein the mixing chamber includes a rotatable shaft extending across the chamber, a pair of ring elements symmetrically carried by the shaft closely adjacent the interior surface of the mixing chamber for removing and cleaning materials therefrom, and a plurality of outwardly extending mixing arms carried by the shaft for mixing the materials together within the volume of the ring elements.

REFERENCES:
patent: 2064131 (1936-12-01), Tuscan
patent: 2176528 (1939-10-01), Gilchrist
patent: 2382655 (1945-08-01), Nichols
patent: 3164860 (1965-01-01), Oxel
patent: 3476523 (1969-11-01), Leybourne

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