Circulation device
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United States of America Patent
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Issued Date -
Mar 25, 2004
app pub date -
Sep 11, 2003
filing date -
Sep 20, 2002
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A circulation device for circulating a liquid in a treatment vessel, in particular in a treatment vessel for treating light-sensitive material. The circulation device has a feed pipe arranged roughly vertically in the treatment vessel, through which liquid from a feed line can flow into the treatment vessel. The flow cross-section (A) of the feed pipe is dimensioned so that the liquid flowing in from the feed line backs up in the feed pipe and produces a hydrostatic pressure that is such that the liquid flowing from the outlet opening of the feed pipe produces a circulation movement of the liquid in the treatment vessel.
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