Solid material comminution or disintegration – Processes – By contact between relatively moving portions of material
Patent
1982-10-26
1986-12-30
Rosenbaum, Mark
Solid material comminution or disintegration
Processes
By contact between relatively moving portions of material
241 30, 241170, 241284, 51 7, B02C 1700
Patent
active
046323163
ABSTRACT:
A method and apparatus for processing substances electromagnetically having a container for receiving conductive working pieces and substances to be processed and magnetic field generators located adjacent said container to generate violent random motion of said working pieces is disclosed. The method comprises the steps of operating said apparatus at a first magnetic field intensity level slightly greater than the minimum intensity level required to generate random motion of said working pieces, and then periodically either increasing or decreasing the intensity level from said first intensity level to maintain random motion of said working pieces. Similarly, the apparatus comprises a timing mechanism which periodically either increases or decreases the intensity level from said first intensity level.
REFERENCES:
patent: 2852586 (1958-09-01), Steele
patent: 2880554 (1959-04-01), Simjian
patent: 3423880 (1969-01-01), Hershler
patent: 3848363 (1974-11-01), Louness et al.
patent: 3987967 (1976-10-01), Kuznetsov et al.
Nakamura Mitsuhiro
Watanabe Yasuo
Fuji Electric & Co., Ltd.
Rosenbaum Mark
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