Electrophotographic liquid developing apparatus and method
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United States of America Patent
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Jan 7, 1986
Grant Date -
N/A
app pub date -
Jan 16, 1984
filing date -
May 19, 1982
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method of applying liquid toner to a predetermined part (4,5) of an electrophotographic film (1) is disclosed. The film is supported at a predetermined distance from an electrode (25) having a toner supply orifice (7). A predetermined quantity of liquid toner (13) is delivered, preferably by a metering cylinder (10) and piston (19) disposed between two valves (9,11), to the orifice (7). The quantity is such that surface tension forces retain the liquid toner in the desired region (24). A method of processing an electrostatic image is also disclosed, as well as an assembly for applying liquid toner. The latter is preferably electrode (25) positioned in a recess in a support surface (3) for the film (1) to be processed.
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