Adapter seal
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United States of America Patent
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-
May 1, 1990
Grant Date -
N/A
app pub date -
Aug 8, 1988
filing date -
Aug 8, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A seal for a fitting adapter for fluid couplings wherein a coupling probe is received within a recess within the other coupling half and the seal prevents the creation of subatmospheric pressures during withdrawal of the probe. The seal includes a lip or flapper valve component which establishes sealing during coupling pressurization, and permits atmospheric pressure to flow around the lip during coupling disconnection.
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