Magnetic drum materials separator

Details Magnetic drum materials separator Magnetic drum materials separator

1975-11-28

1977-09-06

Halper, Robert

Classifying, separating, and assorting solids

Magnetic

209221, B03C 112

Patent

active

040466795

ABSTRACT:
Materials separating apparatus comprising an inclined drum rotatable about its longitudinal axis and having an inner surface comprised of an array of permanent magnets arranged in parallel strips extending circumferentially at an angle to the drum axis, and means for depositing commingled materials within the drum upon the magnet array whereby as the drum and magnet array rotate the magnetic field of the magnets will induce eddy currents in conductive items causing them to move progressively upward and out the upper end of the drum, while nonconductive items will slide downwardly out the lower end of the drum. In another embodiment of the invention a liner is provided over the magnet array to carry magnetic items upwardly to be deposited separately in a chute or the like.

REFERENCES:
patent: 223901 (1880-01-01), Fritz
patent: 1417189 (1922-05-01), McCartny
patent: 2827168 (1958-03-01), Bowers
patent: 2913113 (1959-11-01), Gillette
patent: 3021951 (1962-02-01), Holt
patent: 3024910 (1962-03-01), Dulasvirta
patent: 3087616 (1963-04-01), Pierson
patent: 3133015 (1964-05-01), Cavanagh
patent: 3856666 (1974-12-01), Yashima

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