Method and apparatus for friction sorting of particulate materia

Details Method and apparatus for friction sorting of particulate materia Method and apparatus for friction sorting of particulate materia

1991-04-16

1992-04-28

Hajec, Donald T.

Classifying, separating, and assorting solids

Sorting special items, and certain methods and apparatus for...

Separating means

209691, B07C 900

Patent

active

051079917

ABSTRACT:
Processes by which a mixture of two or more discrete particulate materials, each of said materials having a different sliding coefficient of friction, can be separated using methods which take advantage of velocity differences generated by the application of a force to said mixture to create movement of said mixture over a surface as a function of its sliding coefficient of friction. Various apparatus to effect such processes are also disclosed.

REFERENCES:
patent: 897489 (1908-09-01), Prinz
patent: 1190926 (1916-07-01), Lotozky
patent: 2068146 (1937-01-01), Medcalf
patent: 2612269 (1952-09-01), Vogel
patent: 4059189 (1977-11-01), John
patent: 4068759 (1978-01-01), Abdul-Rahman
patent: 4118309 (1978-10-01), Myers et al.

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