Comminuting machine with feed worm, especially for comminuting f

Solid material comminution or disintegration – Apparatus – Helical pusher inside tube moves material toward perforated...

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241247, 2412601, B02C 1830

Patent

active

046130853

ABSTRACT:
A feed worm located at the bottom of an infeeding hopper is shaped in the form of at least one convolution or turn, without a central core or shaft. The sharp edge or knife edge of the feed worm lying forwardmost in the direction of rotation attacks a block of frozen meat at a location higher than by using previously known feed worms having a central shaft and core. The central shaft or core prevents the frozen block from moving in the downward direction as far as is possible with a feed worm devoid of a core or central shaft. The feed worm includes a thick-walled tube of steel in which over one-half of the tube has been cut away along helical surfaces forming sharp edges with the outside surface of the tube.

REFERENCES:
patent: 984406 (1911-02-01), Wiestner
patent: 2216023 (1940-09-01), Schmidt
patent: 2282521 (1942-05-01), Kaptuller
patent: 2796901 (1957-06-01), Autio
patent: 3213911 (1965-10-01), Seydelmann
patent: 3380503 (1968-04-01), Rees

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