Method and apparatus for breaking up and separating waste glass

Details Method and apparatus for breaking up and separating waste glass Method and apparatus for breaking up and separating waste glass

1976-09-20

1978-04-18

Custer, Jr., Granville Y.

Solid material comminution or disintegration

Apparatus

Comminuting surface provided with openings to permit...

241 96, 241274, 241284, B02C 1900

Patent

active

040847551

ABSTRACT:
Waste glass containing three-dimensional extraneous matter to be removed is dropped onto a grizzly and is thereby broken up by gravity and separated into an undersize portion containing planar fragments of waste glass and of extraneous matter and an oversize portion containing three-dimensional large pieces of waste glass and unbreakable extraneous matter, the grizzly comprising parallel bars arranged at a spacing smaller than the minimum width of projection of the three-dimensional extraneous matter. The oversize portion is repeatedly subjected to the same procedure as above to break up the waste glass to an undersize material within a specified range of sizes and to remove the three-dimensional extraneous matter from the waste glass. A breaking and separating apparatus comprises grizzlies arranged in multi-stage fashion within a passage for dropping the waste glass or a rotatable drum-shaped grizzly having scraping plates.

REFERENCES:
patent: 772377 (1904-10-01), Rowland et al.
patent: 2820595 (1958-01-01), Schumacher
patent: 3491958 (1970-01-01), Zucchini
patent: 3614003 (1971-10-01), Tremolada
patent: 3946953 (1976-03-01), Hato

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