Dust retention device

Details Dust retention device Dust retention device

B - Operations, Transporting

65

G

201/149

B65G 69/18 (2006.01)

Patent

CA 1151582

TITLE: DUST RETENTION DEVICE ABSTRACT OF THE DISCLOSURE The present invention provides a dust retention device for a passage to a container for particulate material, the dust retention means comprising a plurality of openings, a restrictor for each such opening so mounted as to normally restrict the respective opening and wherein each restrictor is such that when loaded by particulate material in excess of a predetermined amount it will move independently of the other restrictors to open the respective opening and dump the material thereon and thereafter return to restrict the respective opening while the other restrictors not so loaded remain in restricting condition to restrict egress of dust through their respective said openings.

345516

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