B - Operations – Transporting – 26 – D
Patent
B - Operations, Transporting
26
D
146/55
B26D 1/26 (2006.01) A22C 17/04 (2006.01)
Patent
CA 1232514
ABSTRACT OF THE DISCLOSURE A separating machine for separating meat and other soft components from bone and other relatively hard components of meat, fish and other food materials, the machine comparison a hopper for receiving the pieces, a pair of overlapping oppositely rotating left and right hand feed screws for feeding the pieces from the hopper, a pump casing having overlapping pump bores for receiving the pieces from the feed screws, a pair of overlapping oppositely rotating left and right hand pump screws rotatable in the pump bores for pumping the pieces along the bores to develop pumping pressure, a hollow separator casing for receiving the pumped pieces from the pump bores, the separator casing having a tubular tapering separator screen with a multiplicity of perforations therein, a tapered pressure auger rotatable in the screen for pressing meat and other soft components through the perforations while transporting bone and other hard components past the screen, a drive for rotating the feed screws, pump screws and pressure auger, and a discharge device beyond the separator screen for discharging the hard components while maintaining pressure in the separator casing. The discharge device may grind up the hard components and discharge them through a restricted annular orifice. The machine may include a pair of oppositely rotating closely spaced disjointer screws of the same hand disposed ahead of the feed screws for dis- jointing neck bones and the like and supplying the disjointed bones to the feed screws. The pump screws may have tapered exit ends affording increased clearances to reduce the buildup of pump pressure.
472251
Mcfarland Archie R.
Preece Bruce L.
Beehive Machinery Inc.
Smart & Biggar
LandOfFree
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