Developing tray
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United States of America Patent
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-
Aug 23, 1988
Grant Date -
N/A
app pub date -
Apr 20, 1987
filing date -
Apr 28, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A developing tray for feeding a sheet of positive material and a sheet of negative material through a bath of developer. A lid is mounted above the bath for reducing the evaporation of developer. Feed rollers are provided both at the input opening and at the output opening. The bottom of the tray is provided with ribs extending substantially in the feeding direction of the sheets. A wetting roller at the output opening is actuated by the feed rollers and is partly immersed in the developer. The evaporation from the output rollers and the wetting roller thereby provides a cooling compensating for the heat produced by the motor during the developing process. In this way a substantially constant temperature is maintained in the bath without special temperature adjusting devices as the cooling is proportional to the period of operation of the motor.
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