Ultrasonic grinder

Details Ultrasonic grinder Ultrasonic grinder

1977-09-15

1978-12-26

Goldberg, Howard N.

Solid material comminution or disintegration

Processes

Miscellaneous

241 1, 241212, 241227, 2412601, 241283, B02C 1918

Patent

active

041312384

ABSTRACT:
Materials such as coal, rock, etc. are comminuted by a combination of mechanical comminution forces and ultrasonic vibratory energy which creates cyclic fatigue stresses in the material being treated.

REFERENCES:
patent: 3107063 (1963-10-01), Nyberg
patent: 3197147 (1965-07-01), Krohne
patent: 3284010 (1966-11-01), Bodine, Jr.
patent: 3473741 (1969-10-01), Bodine
patent: 3682397 (1972-08-01), Bodine

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