Classifying – separating – and assorting solids – Fluid suspension – Gaseous
Patent
1978-11-15
1980-08-26
Sever, Frank
Classifying, separating, and assorting solids
Fluid suspension
Gaseous
209136, 209147, B07B 704
Patent
active
042194105
ABSTRACT:
Separation of heavy tramp metal pieces from lighter weight machine tool turnings and chips is accomplished by apparatus and method in which turnings or chips containing tramp objects are moved along a conveying path and across an elongate free-fall area or region which is generally transverse to the conveying path. A stream of gas is directed through the free-fall area to blow the chips and turnings away from the free-fall area and into a separate processing path while the tramp objects fall through the free-fall area under the influence of gravity. In order to ensure than the tramp objects are properly dumped into the elongate free-fall area and do not bridge the free-fall area in the conveying path, an abutment member is placed along the elongate free-fall area for deflecting a leading portion of an elongate tramp metal object upwardly and/or sidewardly with respect to the conveying path. The tramp object thus becomes oriented so that it fits endwise and/or lengthwise within the elongate free-fall area and drops therethrough.
REFERENCES:
patent: 1987640 (1935-01-01), Rothbarn
patent: 2162392 (1939-06-01), Solomon et al.
Prab Conveyors, Inc.
Sever Frank
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