Device for transporting sticky or wet material

Details Device for transporting sticky or wet material Device for transporting sticky or wet material

2011-04-12

2011-04-12

Sorkin, David L (Department: 1774)

Agitating

Stirrer within stationary mixing chamber

Rotatable stirrer

C198S657000, C198S673000

Reexamination Certificate

active

07922384

ABSTRACT:
The invention concerns a device for transporting sticky and/or wet material in horizontal direction comprising a shaftless spiral or screw having an outside diameter and an inside diameter, a stationary trough having a prismatic shape with at least at its underside a cylindrical part with a liner for supporting the outside diameter of the shaftless spiral or screw, and drive means for rotating the shaftless spiral or screw around a stationary straight centerline, the stationary trough having an inlet opening for receiving transportable material and at its underside an outlet opening for discharging transported material. According to the invention the shaftless spiral or screw is provided over its active length between the inlet opening and the outlet opening along the centreline with a pipe which is rotatable in the inside diameter of the shaftless spiral or screw.

REFERENCES:
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patent: 2835589 (1958-05-01), Whitefield
patent: 2836401 (1958-05-01), Phelan
patent: 2847197 (1958-08-01), Thompson
patent: 3845856 (1974-11-01), Hume
patent: 3999921 (1976-12-01), Thor et al.
patent: 4232973 (1980-11-01), Ligouzat
patent: 4383764 (1983-05-01), Sloin
patent: 4900158 (1990-02-01), Ugolini
patent: 6283275 (2001-09-01), Morris et al.
patent: 6745818 (2004-06-01), Fan et al.
patent: 2002/0104739 (2002-08-01), Yoshikawa
International Search Report, Apr. 11, 2006, 2 pages.

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