Agitating – Mortar mixer type – With dynamic charging
Patent
1979-08-29
1981-08-04
Coe, Philip R.
Agitating
Mortar mixer type
With dynamic charging
366 66, 366150, 366300, 366301, 366326, B28C 514, B28C 706, B01F 704, B01F 1502
Patent
active
042819342
ABSTRACT:
The present mixer for construction materials, such as a bituminous sludge, has a trough with an inlet and an outlet and two mixing shafts equipped with blades rotatably supported in the trough in parallel to each other. The blades are uniformly spaced along both shafts and staggered by 90.degree. around each shaft whereby the blades of each shaft follow one another in helical succession. Simultaneously the blades form four in line rows on each shaft. The arrangement of the blades is identical on each shaft except that the helix formed by the blades on one shaft has preferably a pitch direction opposite to that formed by the blades on the other shaft since the shafts rotate in opposite directions but convey in the same direction. The spacing between adjacent blades on both shafts is the same. However, blades located in the same plane extending perpendicularly to the longitudinal axes of the shafts are always spaced by 90.degree. and blades which face each other extend in parallel to each other when pointing in the opposite directions toward the respective other shaft.
REFERENCES:
patent: 1355137 (1920-10-01), Frick
patent: 1419397 (1922-06-01), Marsh
patent: 1964523 (1934-06-01), McConnaughay
Krause Peter
Krause Ulrich
Coe Philip R.
Fasse W. G.
Gould D. F.
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