Method of fine and very fine comminution of materials having bri

Details Method of fine and very fine comminution of materials having bri Method of fine and very fine comminution of materials having bri

1980-05-23

1982-11-02

Hall, James R.

Plastic and nonmetallic article shaping or treating: processes

With step of cleaning, polishing, or preconditioning...

264 82, 264109, 264115, 264118, B28B 704

Patent

active

043572871

ABSTRACT:
In order to carry out a fine and very fine comminution of brittle material, a bed of bulk material to be comminuted is first stressed between two practically non-yielding hard surfaces with a compression of at least 500 kg/cm.sup.2 to result in energy sufficiently high not only to cause comminution, but to also cause a distinct agglomeration or briquetting of the particles, whereafter the resulting agglomerates or briquettes are disintegrated by further mechanical stressing in a separate device.

REFERENCES:
patent: 2729855 (1956-10-01), Titus et al.
patent: 3255285 (1966-06-01), Chilson
patent: 3490702 (1970-01-01), Dore
patent: 3797758 (1974-03-01), Cherdron et al.
patent: 3860682 (1975-01-01), Reinhardt et al.
patent: 3986864 (1976-10-01), Hofmann et al.

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