Toner conveyance device and image forming apparatus equipped...

Details Toner conveyance device and image forming apparatus equipped... Toner conveyance device and image forming apparatus equipped...

2006-03-07

2006-03-07

Brase, Sandra L. (Department: 2852)

Electrophotography

Image formation

Development

Reexamination Certificate

active

07010251

ABSTRACT:
A toner conveyance device for conveying toner particles including: a toner mixing unit having a toner introducing portion to introduce toner particles, for mixing the toner particles from the toner introducing portion with air to make a toner fluid; a first conveyor for receiving the toner fluid in the toner mixing unit and conveying; a toner separation unit for separating the toner fluid conveyed by the first conveyor into air and toner particles, the toner separation unit having a toner discharging portion for discharging the separated toner particles to an outside; a second conveyor for conveying the air separated by the toner separation unit back to the toner mixing unit; and a tightly closed circulation path of air, formed starting at the toner mixing unit which leads to the toner separation unit through the first conveyor and returning back to the toner mixing unit through the second conveyor.

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