Agitating – Mortar mixer type – Methods
Patent
1991-07-19
1994-01-11
Stinson, Frankie L.
Agitating
Mortar mixer type
Methods
366331, 366314, 277 68, 277101, B01F 1304
Patent
active
052774899
ABSTRACT:
A portable system for on-site batch mixing of cementitious materials, such as mortar and grout, includes a batch mixing machine for metering and mixing cement, sand and water, a cement storage silo sized to hold at least one commercial delivery truckload of cement, and a pair of sand supporting ground pads. The large cement storage silo significantly reduces the manpower and equipment costs associated with the overall batch mixing process, and the sand support pads operate to prevent dirt contamination of the cementitious mixture. A specially designed pressurized shaft bearing/seal structure provided on the batch mixer portion of the mixing machine reduces grease seal and bearing maintenance by essentially precluding entry of cementitious material into the seal and bearing. The pressurized system utilizes either a spring or air under pressure to establish a higher pressure in the grease supply than that in the mortar.
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Hamm Family Partnership
Stinson Frankie L.
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