Helical-ribbon mixer

Details Helical-ribbon mixer Helical-ribbon mixer

2006-11-07

2006-11-07

Sorkin, David (Department: 1723)

Agitating

With heating or cooling

Fluid-filled jacket

C366S291000, C366S320000, C366S323000

Reexamination Certificate

active

07131765

ABSTRACT:
A helical-ribbon mixer having a rotation-symmetrical inner mixing vessel wall (2), a motor-driven central agitator axis (3) therein, on which, on lateral agitator arms (5), at least one helical ribbon (4) is held close to the vessel wall downwardly sloping with a circular slope (SZ) in a direction of rotation (D), wherein the helical ribbon (4), vectorially combined circularly and radially, has a helical ribbon angle of slope (SN) relative to the horizontal that is greater than a gliding angle (G) on the helical ribbon (4) of a material (M) to be mixed.

REFERENCES:
patent: 1422102 (1922-07-01), Hutchinson
patent: 1713886 (1929-05-01), Benzon
patent: 1734632 (1929-11-01), Merrill
patent: 2247439 (1941-07-01), Hawes
patent: 2679982 (1954-06-01), Thyle
patent: 5299865 (1994-04-01), Presnell
patent: 5382092 (1995-01-01), Okamoto et al.
patent: 2001/0019515 (2001-09-01), Schmidt et al.

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