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Apparatus for producing and collecting a liquid extract and a dry by-product from a mash
| Details |
Inventors: Burgin, Kermit H.;
Assignee:
Primary Examiner: Feldman; Peter
Assistant Examiner:
Attorney, Agent or Firm: Barnes & Thornburg
An apparatus for producing and collecting a liquid extract and a pressed dry by-product from a mash of fibrous material includes an extraction chamber, a movable piston for compressing the mash of fibrous material, an agitator coupled to the piston so that the agitator moves coincident with the piston, and a drive mechanism for rotating the agitator to mix the mash. The extraction chamber includes an open end for expelling the by-product, a material inlet opening in proximity to the open end for filling the chamber with the mash, and a liquid outlet opening for collecting the liquid extract. A gate closes the open end to form a work station within the extraction chamber which is filled with the mash. The mash is agitated and compressed within the work station to extract the liquid and form a pressed dry product therefrom, and the gate is removed to open the end of the chamber to allow the dry product to be expelled. |
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DETAILED DESCRIPTION What is claimed is: 1.
An apparatus for producing and collecting a liquid extract and a dry by-product from a mash of material, comprising: an extraction chamber having at least one open end, the chamber including a material inlet opening in proximity to the open end for filling the chamber with the mash and a liquid outlet opening for collecting the liquid extract, a by-product outlet opening for collecting the dry by-product, a piston, a plunger movable in the chamber to compress the mash, first means for coupling the plunger to the piston, enclosure means for closing the open end, first drive means for moving the piston to compress the mash within the extraction chamber and to expel the by-product therefrom, agitating means for agitating the mash, second means for coupling the agitating means to the piston, and second drive means for rotating the agitating means with respect to the plunger to agitate the mash.
2.
The apparatus of claim 1, wherein the first coupling means includes an elongated hollow shaft coupling the plunger to the piston.
3.
The apparatus of claim 2 wherein the second coupling means includes an elongated shaft extending axially through the hollow shaft, plunger, and piston, the elongated shaft being coupled to the piston for relative rotation thereto.
4.
The apparatus of claim 3 wherein the agitator is a conical-shaped member which includes a plurality of grooves in its peripheral surface.
5.
The apparatus of claim 4 wherein the extraction chamber includes a housing having two open ends, the plunger being slidably receivable in a first open end of the chamber, and the filler opening being located in proximity to a second open end of the chamber.
6.
The apparatus of claim 5 wherein the plunger includes a head mounted to the hollow shaft, the head having a thickness which is greater than the cross-sectional dimension of the filler opening to close the filler opening when the head is moved in proximity to the second open end of the chamber.
7.
The apparatus of claim 6 wherein the closure means includes a second piston, a second plunger coupled to the second system, the second plunger being slidably receivable in the second open end of the chamber for closing the second open end of the housing and closing the filler opening during compression of the mash
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