Granted Patent B1

US 7,690,512 · App. 10/683,538 · Granted Apr 6, 2010

Abstract

Claims (11)

1. A mechanical method for separating shredded vegetable pieces comprising:

a) providing a vegetable having a leaf portion and a core portion;

b) cutting the leaf and core portions into a plurality of leaf pieces and core pieces to form a mixture of leaf and core pieces;

c) feeding the mixture to a sorting mechanism having an infeed end, a discharge end, and one or more screens, wherein the one or more screens have a plurality of screen apertures; and

d) separating core pieces form the mixture based on their dimensions using the one or more screens.

2. The mechanical method of claim 1 wherein the plurality of screen apertures are rectangular in shape.

3. The mechanical method of claim 2 wherein the rectangular apertures measure about 2.5 cm (about 1 inch) in length to about 1.6 cm (about ⅝ inch) in width.

4. The mechanical method of claim 1 wherein the one or more screens comprises a series of screens having a plurality of apertures between the infeed end and the discharge end, and wherein the apertures of one or more screens differ in shape and size from the apertures of other screens in the series.

5. The mechanical method of claim 1 wherein the step of separating comprises passing leaf pieces through the apertures into a collection pan, and thereafter, into a first tank, and channeling core pieces that remain on the one or more screens to a second tank.

6. The mechanical method of claim 1 further comprising the step of packaging the mixture without the core pieces.

7. The mechanical method of claim 1 wherein the vegetable is a cabbage.

Assignments (28)