Dual auger shredder

Details Dual auger shredder Dual auger shredder

1989-04-19

1990-07-03

Gorski, Joseph M.

Solid material comminution or disintegration

Apparatus

Cooperating comminuting surfaces

241235, 2412601, 241285A, B02C 1822, B02C 430

Patent

active

049384260

ABSTRACT:
A dual auger shredder having a grinding chamber within which is mounted a pair of screw augers, each having tapered flights and oriented opposite to each other, and a bottom including a pair of closure doors. The tapered auger screws provide an uneven surface to material fed downwardly from above the grinding chamber and the working edges of the tapered flights are exposed so that the corners and edges of large-surfaced materials such as wood pallets or wooden crates are engaged by the flights and compressed towards the center of the grinding chamber. The bottom closure panels are positioned beneath the screw augers, extend axially relative to them and are akewed so that they follow the tapered contour of the flights. The closure panels are selectively positionable to form an opening of a variable and predetermined size such that material deposited within the grinding chamber is retained therein and reduced in size until sufficiently small to pass through the opening.

REFERENCES:
patent: 344472 (1886-06-01), Bauer
patent: 2539317 (1951-01-01), Nickle et al.
patent: 4253615 (1981-03-01), Koenig
patent: 4632317 (1986-12-01), Wexell et al.

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