Apparatus and method for transporting finely powdered toner mate

Details Apparatus and method for transporting finely powdered toner mate Apparatus and method for transporting finely powdered toner mate

1997-12-18

1999-03-16

Pendergrass, Joan

Electrophotography

Image formation

Development

399254, 406 89, G03G 1508

Patent

active

058841261

ABSTRACT:
For transporting finely powdered toner material from a reservoir to a delivery opening, a porous bed that forms a down grade is charged with compressed air proceeding from below, whereby the toner material mixes with air to form a liquid-like mixture. This mixture flows along the down grade from the reservoir to the delivery opening.

REFERENCES:
patent: 2527455 (1950-10-01), Schemm
patent: 3024071 (1962-03-01), Morrow
patent: 4027607 (1977-06-01), Pan et al.
patent: 4926217 (1990-05-01), Bares
Japanese patent abstract, 08198202, Aug. 6, 1996.

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