Agitating – Mortar mixer type – With gas incorporating; fluid mixing – delivering – or conveying
Patent
1981-10-30
1984-05-22
Simone, Timothy F.
Agitating
Mortar mixer type
With gas incorporating; fluid mixing, delivering, or conveying
366 15, 366 28, 366 42, 366 66, 366104, 366195, 366329, B28C 116, B28C 514
Patent
active
044498268
ABSTRACT:
The percentage of entrapped air in mortar, plaster, concrete or a like building material which is prepared on a continuous basis is increased, preferably by at least 100 percent, by providing a mixing chamber with one or more barriers which oppose the progress of a mixture of solid and liquid constituents toward the outlet so that each increment of the mixture dwells in the mixing chamber for a relatively long interval of time which exceeds 15 seconds and can even exceed 40 or 50 seconds. The mixing chamber defines a sump for a supply of the mixture, and the rate at which the material leaves the chamber equals or approximates the rate of admission of constituents into the chamber so that the quantity of material which forms the supply is constant. Such supply is agitated by blades, paddles, vanes, grates, lattices or like devices to ensure continuous penetration of air into the material which dwells in, as well as the material which advances through, the mixing chamber. The barrier or barriers may form part of the mixing chamber or they may constitute discrete parts in the form of rings, discs, vanes, paddles or the like, normally in the region of the outlet. Each barrier may but need not rotate with the agitating elements in the interior of the mixing chamber. The mixing chamber can be used in lieu of conventional mixing devices or at the discharge end of a conventional mixing device.
REFERENCES:
patent: 2320469 (1943-06-01), Rasmussen
patent: 2445928 (1948-07-01), Sommer
patent: 4117547 (1978-09-01), Mathis et al.
patent: 4223996 (1980-09-01), Mathis et al.
Mathis Paul
Wachter Anton
Kontler Peter K.
Mathis Systemtechnik GmbH
Simone Timothy F.
Wachter KG Baustoffwerk
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