Ground sand maker

Details Ground sand maker Ground sand maker

1989-10-10

1991-02-26

Rosenbaum, Mark

Solid material comminution or disintegration

Apparatus

Including means applying fluid to material

241 793, 241178, 241183, 241DIG10, B02C 1702

Patent

active

049955616

ABSTRACT:
A ground sand maker which includes a grinding drum (2); a mass of working pebbles (25) placed within the grinding drum; a driving device (7) for rotating the grinding drum; an inlet port (17) provided on a first end (2b) of the grinding drum for supplying rock fragments (28) and water (26) into the grinding drum; and an outlet sieve (20) provided on a circumferential surface (2a) of the grinding drum adjacent a second end (2c) opposite to the first end for discharging ground sand and water.

REFERENCES:
patent: 788675 (1905-05-01), Rissmuller
patent: 1095071 (1914-04-01), Beer
patent: 2242109 (1941-05-01), Camphuis
patent: 2268661 (1942-01-01), Kennedy
patent: 2819130 (1958-01-01), Kaminsky
patent: 3998262 (1976-12-01), Didion
patent: 4013233 (1977-03-01), Nylund
patent: 4154290 (1979-05-01), Weststrate et al.
patent: 4687146 (1987-08-01), Sundman
patent: 4848681 (1989-07-01), Eriksson et al.

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