Agitating – Mortar mixer type – With dynamic charging
Patent
1994-07-01
1995-11-28
Jenkins, Robert W.
Agitating
Mortar mixer type
With dynamic charging
366 35, 366 38, 366 40, 366 64, 3661561, 3661581, B28C 714, B01F 1502
Patent
active
054701473
ABSTRACT:
A portable continual mixer blends dry powdered material with an aggregate and a liquid. The ingredients may be cement, sand, and water. The batch mixer has two screw augers. The first auger feeds dry mix into an elongated mixing chamber, and has its own electric motor and speed control. The second auger mixes the dry and liquid mix constituents, and conducts blended mixture to a discharge port located at the end of the elongated mixing chamber. The blade of the second auger is formed in three sections. In respective order, these sections include a first section wherein the blade is configured as a screw auger; a second section wherein the blade has paddles pitched to urge the mixture onward to the third section; and a third section which, like the first section, includes a blade configured as a screw auger. The liquid is metered by a valve controlled in accordance with the feed rate of the solid constituents. A predetermined proportion of dry and liquid constituents is thus maintained. The second auger mixes dry and liquid constituents, and discharges a final blended mixture. The housing of the mixing chamber is longitudinally split, so that it is readily opened and quickly cleaned after operation is complete. The novel batch mixer is particularly suited for preparing small quantities of mixture, and produces little waste. The housing of the mixing chamber is split for ready separation and cleaning.
REFERENCES:
patent: 1753716 (1930-04-01), Owen
patent: 2276237 (1942-03-01), Lowry
patent: 3469824 (1969-09-01), Futty
patent: 4298288 (1981-11-01), Weisbrod
patent: 4566799 (1986-01-01), Ito
patent: 5213414 (1993-05-01), Richard
Jenkins Robert W.
Siemens Terrance L.
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