Device for the introduction and/or the removal, in an airtight manner of solid bodies across one aperture at least of an enclosure treatment, more particularly under low pressure
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United States of America Patent
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Jan 22, 1985
Grant Date -
N/A
app pub date -
Feb 10, 1983
filing date -
Feb 11, 1982
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A seal permitting wire, rod or the like to fed into a chamber at low prese comprising a Venturi tube constituting in its interior and in succession a convergence a neck and a divergence. The tube has a coaxial sleeve on its convergence side into which the solid to be treated can be introduced. This sleeve is partially engaged inside the Venturi tube over a length determined so as to create a rapid change of section which defines a dynamic joint zone in combination with the pressure, flow and speed of the fluid injected toward the inside of the Venturi tube.
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