Pipe joints or couplings – With assembly means or feature – Inserted section
Patent
1983-11-28
1986-06-03
Arola, Dave W.
Pipe joints or couplings
With assembly means or feature
Inserted section
285355, 285388, 285915, 29434, F16L 1900
Patent
active
045925747
ABSTRACT:
A conduit coupling assembly for connecting the end portions of two lengths of conduit in coaxial, abutting relationship. The coupling assembly includes an abutment ring, an outer coupling, retainer means and resilient means. The ring has an internal thread sized for threading onto the end portion of one of the lengths of conduit. The coupling has a first end and a second end with a bore extending therebetween sized to slidably, rotatably receive the abutment ring. The coupling first end has an inside dimension smaller than an outside dimension of the ring so that the ring is unable to move past the first end, and the first end is provided with an internal thread sized for threading onto the ends of the lengths of conduit. The retainer means is carried by the outer coupling adjacent its second end for preventing escape of the ring from the bore. The resilient means is disposed between the abutment ring and the coupling first end and serves as a one way coupling device to install the ring on one length of conduit.
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Porthan Robert J.
Vollmuth Lawrence P.
Allied Tube & Conduit Corporation
Arola Dave W.
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