Coupling
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Feb 16, 2016
Grant Date -
Oct 24, 2013
app pub date -
Apr 18, 2013
filing date -
Apr 23, 2012
priority date (Note) -
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status (Latency Note)
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Abstract
A plumbing fitting for coupling a water supply line to a second plumbing fitting includes a polymeric tailpiece having one end for coupling to a conduit and an opposite end with an outwardly extending annular flange having an annular face surface. A circular recess is formed in the face surface for receiving a seal. A nut is positioned over the tailpiece and has an inwardly extending annular rim engaging a side of the flange opposite the face surface. The nut is formed of a polymeric material having internal threads and integrally includes a metal insert extending in concentric spaced relationship to the threads of the nut. The insert includes an end which is threaded and forms a lead-in thread that is coaxial with the threads of the nut.
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