1975-01-06
1976-01-20
Jenkins, Robert W.
259147, 259149, 259154, 259165, B01F 1306, B01F 1504, B01F 1502
Patent
active
039333400
ABSTRACT:
A method and apparatus for mixing fine powdered materials without creating an objectionable dusty environment, which consists in placing an open-topped container on a scale, placing a hood over the open-topped container, and with the hood interior connected to a source of suction, successively pouring the materials to be mixed into the container through a hole in the top of the hood and proportioning the materials by means of the scale. With the container thus filled, its open-topped upper portion is inserted into the downwardly facing mouth of a tiltable mixing drum and secured thereto in such a manner that the container tightly closes the mouth of the mixing drum so that admixture of the drum contents during rotation of the drum can take place without dispersing dust or fine powder into the atmosphere.
REFERENCES:
patent: 2494119 (1950-01-01), Essick
patent: 3164378 (1965-01-01), Hager
patent: 3266779 (1966-08-01), Fischer
patent: 3279763 (1966-10-01), Seman
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