Apparatus for mechanical separation of a combination of meat and

Details Apparatus for mechanical separation of a combination of meat and Apparatus for mechanical separation of a combination of meat and

1979-12-03

1982-07-20

Abercrombie, Willie G.

Solid material comminution or disintegration

Apparatus

Helical pusher inside tube moves material toward perforated...

A22C 1700, B02C 2316

Patent

active

043401848

ABSTRACT:
The invention provides processes and apparatus for the mechanical separation of a combination of meat and bone into useful fractions, the combination being conveyed by a screw of new cross-section profile through a screen, which comprises a portion of an elongated cylindrical conduit, softer components, i.e. the meat, being expressed through the screen, while harder components, i.e. the bone, are contained by the screen and fed out of the conduit. The screen is constituted by alternate flat and configured annular discs, the latter providing the necessary large plurality of small apertures through which the softer components can be expressed. The screw is designed to develop a radially-outward pulsing action of the combination against the interior wall of the screen to produce the desired separation at a lower pressure than with prior art apparatus and minimization of shear of the combination against the screen interior wall. The apparatus is provided with a spring controlled throat that permits automatic control of the pressure applied to the separating combination of meat and bone, and that also permits adjustment of that pressure to suit the type of meat in the combination that is being separated.

REFERENCES:
patent: 529149 (1894-11-01), Woodruff
patent: 3384138 (1968-05-01), Johnson et al.
patent: 3432344 (1969-03-01), Farmer
patent: 3739994 (1973-06-01), McFarland
patent: 3943034 (1976-03-01), Wallen
patent: 4024168 (1977-05-01), Homann et al.
patent: 4025001 (1977-05-01), Yarem et al.
patent: 4042176 (1977-08-01), Beck et al.
patent: 4077089 (1978-03-01), Dutaud
patent: 4189104 (1980-02-01), Santos

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