Fabrication of electrophotographic imaging members

Details Fabrication of electrophotographic imaging members Fabrication of electrophotographic imaging members

1992-05-01

1993-12-28

Jones, W. Gary

Coating apparatus

Control means responsive to a randomly occurring sensed...

Condition of coated material

118712, 427 8, 137 3, 366 17, B05C 1100

Patent

active

052735834

ABSTRACT:
Apparatus for the continuous coating of charge transport solutions onto a substrate to form an electrophotographic imaging member, including a pump to a flow of a first highly doped charge transport solution and a pump to a flow of a second undoped or lowly doped charge transport solution at predetermined rates to a common junction at which the flows intermix into a common flow upon contacting each other; piping connecting the pumping means to the common junction; and mixing device associated with the junction for continuously mixing the common flow during its movement through the mixing device, the mixing device having a short spiral flow path of less than about 200 cm for the solutions sufficient to substantially complete mix the common flow during its movement through the mixing means.

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