Solid material comminution or disintegration – Apparatus – With temperature modification of material
Patent
1988-07-19
1989-02-28
Rosenbaum, Mark
Solid material comminution or disintegration
Apparatus
With temperature modification of material
2412601, B02C 1922
Patent
active
048078166
ABSTRACT:
An apparatus for grinding the crusts of seeds, trunks, branches and leaves of any plant of a family of grasses, particularly rice hulls, includes an outer cylinder having an inner surface which is similar to that of a mortar, and a screw having a spiral screw thread and extending through the cylinder. The cylinder and the screw are rotatable relative to each other. They define therebetween a space having a gradually decreasing inner cross-sectional area in which the material to be ground is progressively compressed and heated, whereby the material has its structure destroyed and produces fine particles. The apparatus has a high degree of efficiency and a high degree of durability. The ground product has only a low content of lignin having an adverse effect on its compatibility with a synthetic high molecular compound or its dispersibility therein and is, therefore, useful as a filler or modifier therefor. It is also useful as a food filler or a culture medium, as it can easily be divided into still finer particles which can easily be absorbed into the body of an animal or a plant.
REFERENCES:
patent: 970240 (1910-09-01), Kilborn
patent: 3102694 (1963-09-01), Frenkel
patent: 3912179 (1975-10-01), Hartig et al.
patent: 4408725 (1983-10-01), Wenger et al.
patent: 4645445 (1987-02-01), Takanashi
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