Pressure development apparatus for imaging sheets
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United States of America Patent
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-
Sep 6, 1988
Grant Date -
N/A
app pub date -
Apr 23, 1987
filing date -
Apr 23, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Roll-type pressure-treating apparatus, for subjecting sheet or web material to a uniformly high and uniform pressure across a nip, includes a pair of annular pressure rolls mounted in nip-defining relation to each other. Each of the pressure rolls has received internally thereto a crowned loading roll. The crowned loading rolls have ends which are received in journal blocks through which the pressure rolls are loaded, by compression springs. The crowned loading rolls apply a loading force to the respective inside surfaces of the pressure rolls in immediate adjacent relation to the opposite sides of the nip formed therebetween.
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