Shearing and mixing tool

Agitating – Stirrer within stationary mixing chamber – Rotatable stirrer

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Details

3663255, 3663293, 3663303, B01F 704

Patent

active

058104763

ABSTRACT:
An apparatus for shearing and mixing a product in an at least partially cylindrical trough has a shaft which is rotatably and concentrically supported in the trough. At least one support extends radially from the shaft and supports a tool which forms a rotor together with said shaft. The tool includes a shearing throwshovel which extends in circumferential direction of the rotor along a longitudinal axis and has a sickle tip on one end and a spoon-like formation on its opposite end. This shearing throwshovel forms a first angle by being bent, when seen in cross-section, from its sickle tip towards the opposite end, so as to deviate from the direction of the longitudinal axis; a second angle between a tangent to said inner surface of said trough and a tangent to said circumferential direction so as to have an increasing distance to the inner surface of the trough from said sickle tip towards the opposite end; and a third angle between said longitudinal axis and said shaft axis.

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patent: 4469445 (1984-09-01), Wurtz
patent: 4941750 (1990-07-01), Bouchez et al.
patent: 5055273 (1991-10-01), Wilhelm et al.
patent: 5061082 (1991-10-01), Steele, Jr.

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