End-fitting for pipe connection having proper insertion indicator
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United States of America Patent
Stats
-
Dec 5, 1995
Grant Date -
N/A
app pub date -
Jun 24, 1994
filing date -
Jun 24, 1994
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
For use in push-in-and-snap pipe connectors, the region of the pipe behind the integral end-flange is raised in diameter. If the pipe is properly inserted, the raised region is concealed inside the body of the fitting; but if the pipe is not pushed fully home into the body, the raised region is visible, and serves to alert the production-line inspector that the joint is not sealed. A snap-in sping clip holds the pipe in the body, and the clip rests against the raised protion to minimise the chance of vibration noise. The flange and raised region are formed in the pipe by axial-press punches and dies.
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