Agitating – Mortar mixer type – Methods
Patent
1990-06-13
1993-04-20
Stinson, Frankie L.
Agitating
Mortar mixer type
Methods
366 20, 366 40, B01F 1310
Patent
active
052036286
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. The water storage portion is provided with a simplified, floatless fill level control system and an improved water heating system which significantly reduces water temperature stratification. A specially designed pressurized shaft bearing/seal structure provided on the batch mixer portion of the mixing machine reduces grease and seal maintenance and functions to essentially preclude entry of cementitious material into the shaft bearing. The cement reservoir hopper portion of the batch mixing machine has incorporated therein a cement conditioning system providing improved cement discharge metering accuracy, the conditioning system including a vertical air discharge pipe connected at its lower end to an air gatherer disposed above air discharge members which fluff the cement located above the bottom hopper outlet and below the air gatherer. In an alternate embodiment, the cement reservoir hopper and its associated cement conditioning system are removed from the mixing machine and incorporated in the cement storage silo.
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The Magazine of Masonry Construction Jul. 1988.
Hamm Family Partnership
Stinson Frankie L.
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