Apparatus for controlling airborne particle emission

Agitating – In vacuum chamber

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366325, B01F 1306

Patent

active

041006119

ABSTRACT:
A system for minimizing free airborne particles generated by movement of a two component powder material within a partially open container. The two component material includes a relatively large component and a relatively small component as is used in carrier and toner for developing electrostatographic images. A filter with predetermined pore size is positioned across the flow of the two component material and connected to a source of negative pressure.

REFERENCES:
patent: 3306193 (1967-02-01), Rarey
patent: 3696785 (1972-10-01), Andrus
patent: 3697050 (1972-10-01), Stanley
patent: 3920329 (1975-11-01), Pennie

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