Solid material comminution or disintegration – Apparatus – Helical pusher inside tube moves material toward perforated...
Patent
1999-01-26
2000-11-21
Husar, John M.
Solid material comminution or disintegration
Apparatus
Helical pusher inside tube moves material toward perforated...
2411865, 241247, 2412601, B02C 1830
Patent
active
061490830
ABSTRACT:
A combination of screening structure for a composite usually food material made up, for example, of a relatively soft flesh component to be recovered and of relatively hard components usually disposed of as waste, and of dual material conveying and discharging screws having overlapped and intermeshed helical flights as discharge structure for the relatively hard components which provide a running series of compartments for receiving, carrying, and discharging such relatively hard components as well as providing useful back pressure on the composite material travelling along and against the entry face of the screening structure. Termination of the overlapping relationship of the helical flights of the material conveying screws within a discharge area for the relatively hard material carried by such compartments facilitates discharge of such relatively hard material. The screening structure may be a flat screen usually of disc configuration, or a tubular screen within which a material conveying auger screw rotates.
REFERENCES:
patent: Re33752 (1991-11-01), Poss
patent: 3739994 (1973-06-01), McFarland
patent: 4566640 (1986-01-01), McFarland et al.
patent: 5443214 (1995-08-01), Lesar
patent: 5452650 (1995-09-01), Lee
patent: 5580305 (1996-12-01), McFarland
Husar John M.
Mallinckrodt Philip A.
Mallinckrodt Robert R.
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