Expansion repair coupling
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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N/A
Issued Date -
Oct 16, 2008
app pub date -
Apr 16, 2007
filing date -
Apr 16, 2007
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
An expansion repair coupling for interconnecting two facing ends of a cut pipe comprises a tubular body, a spigot slidably and rotatably received therein and a locking mechanism to selectively lock or unlock the rotation of the tubular body relative to the spigot. An end of the spigot extends outward from the tubular body to receive a coupling that connects to one end of the cut pipe. A radially enlarged section on the spigot has a sealing mechanism that sealably engages an interior surface of the tubular body. The locking mechanism, engaged by collapsing the spigot into the tubular body or disengaged by extending the spigot therefrom, facilitates a push and twist connection at both ends of the pipe to wipe the adhesive disposed therebetween and obtain a better seal. Preferably, the locking mechanism comprises a socket having spigot engaging members that cooperatively engage socket engaging members on the spigot.
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