Screen crusher for soil materials

Details Screen crusher for soil materials Screen crusher for soil materials

1993-03-22

1995-04-11

Reese, Randolph A.

Solid material comminution or disintegration

Processes

Subjecting material to impact by moving comminuting surface

37403, 37443, 299 70, 2411017, B02C 110

Patent

active

054050928

ABSTRACT:
Soil materials are screened and crushed simultaneously in a bucket of an excavating machine having its back wall replaced by rotatable crushing and screening elements. The crushed and screened materials fall down through the back wall and the non-crushable materials with size exceeding the size of screen openings remain in the bucket for dumping in the pile of a coarse pieces.

REFERENCES:
patent: 3987971 (1976-10-01), McClure
patent: 4196862 (1980-04-01), Tagawa
patent: 4369927 (1983-01-01), Rozeboom
patent: 4776524 (1988-10-01), Sakato
patent: 4852277 (1989-08-01), Ward
patent: 4943165 (1990-07-01), Boggs
patent: 5060732 (1991-10-01), Baskett
patent: 5172498 (1992-12-01), Wack

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