Method and apparatus for filtering magnetic debris out of work-f

Details Method and apparatus for filtering magnetic debris out of work-f Method and apparatus for filtering magnetic debris out of work-f

1978-11-21

1980-06-03

Fisher, Richard V.

Cleaning and liquid contact with solids

Processes

Including regeneration, purification, recovery or separation...

134 34, 210 77, 210 81, 210222, 210242R, B08B 704, B01D 3506

Patent

active

042060001

ABSTRACT:
A floatable magnetic filter screen (10, 40, 52, 60) for removing metallic debris from work-functioning baths (26, 26') comprises a tubular rectangular outer frame (11, 11', 14, 14', 16, 61) that supports a plurality of magnet-forming webs (18, 18', 62), in a predetermined array, within the central opening thereof. The magnets (23, 23', 64) of each web, when required, are encapsulated within a protective material covering (e.g., 19, 19') so as to physically isolate them from a given bath (26, 26') within which the filter screen (10, 40, 52, 60) is to be employed. While the filter screen is adapted to normally float on the surface of a given bath, through piece part (33, 33', 53) initiated immersion of the filter screen in the bath, preferably using a piece part-carrying basket (36, 36', 51), the bath solution is effectively forced through the filter screen during both the downward and subsequent upward displacement of the latter. As a result of such reciprocal displacement, any loose metallic debris (38) in the bath is magnetically drawn against magnet-defined sites on the filter screen, and may be readily removed periodically therefrom, such as with a simple water spray (39).

REFERENCES:
patent: 2094616 (1937-10-01), Parker
patent: 2374535 (1945-04-01), Gibson
patent: 2436740 (1948-02-01), Brooks
patent: 3136720 (1964-06-01), Baermann
patent: 3206657 (1965-09-01), Moriya
patent: 3326374 (1967-06-01), Jones
patent: 3477948 (1969-11-01), Inoue
patent: 3657119 (1972-04-01), Turbeville
patent: 3712472 (1973-01-01), Elliott

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