Magnetic roll-type separator

Details Magnetic roll-type separator Magnetic roll-type separator

1985-09-30

1988-03-01

Reeves, Robert B.

Classifying, separating, and assorting solids

Magnetic

Paramagnetic

335286, B03C 112

Patent

active

047284196

ABSTRACT:
The invention provides a magnet roll for separation purposes which is made up of a number of axially disposed substantially cylindrical permanent magnets each of which constitutes a segment of the roll. Adjacent segment ends in the roll are of like polarity with pole pieces being defined between the segments. The pole pieces preferably comprise a laminate of two wafer-like discs of no more than 1.5 mm thickness. The pole pieces preferably have flanges projecting beyond the exposed surfaces of the segments to define peripheral extremities which form ridges of frusto-triangular sections. In the preferred arrangments the wafer-like discs are mounted back-to-back with each disc providing half the frusto-triangular profile of a ridge. Preferably the discs include recesses which snugly accommodate the ends of the permanent magnet segments.

REFERENCES:
patent: 832823 (1906-10-01), Wait
patent: 1515719 (1924-11-01), Bethke et al.
patent: 2678729 (1954-05-01), Spodig
patent: 2808932 (1957-10-01), Merwin et al.
patent: 2901108 (1959-08-01), Spodig
patent: 3039026 (1962-06-01), Levesque
patent: 3163596 (1964-12-01), Ferris et al.
patent: 3293126 (1966-12-01), Palm
patent: 3394807 (1968-07-01), Fritz et al.
patent: 3552565 (1968-05-01), Fritz

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