Pressure coupling for cleaning water lines
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United States of America Patent
Stats
-
Jul 18, 1995
Grant Date -
N/A
app pub date -
Apr 5, 1994
filing date -
Apr 5, 1994
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A pressure coupling for facilitating connection of an air pump with a water faucet to expel water from water lines connected with the faucet by operation of the air pump. In a preferred embodiment the pressure coupling includes a valve stem threadably seated in a metal cap which threads on the spout of the faucet. The hose of a manual or automatic air pump is threaded on the valve stem to pump air from the air pump into the faucet and through the water pipes connected to the faucet to clear the pipes of water and prevent the pipes from freezing and bursting in freezing weather.
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