Reusable union coupling

Details Reusable union coupling Reusable union coupling

1995-11-20

1997-12-09

Nicholson, Eric K.

Pipe joints or couplings

Connector for conduit housing electromagnetic line:

Underground

285354, 62525, F16L 1900

Patent

active

056952252

ABSTRACT:
A connector assembly with an integral connector body of a specified size and shape. The connector body has a substantially hexagonal upper section connected to a first, unthreaded cylindrical section, which in turn is connected to a second threaded cylindrical section, which in turn is connected to a third unthreaded cylindrical section with substantially the same diameter, which in turn is connected is connected to a bottom, undercut, unthreaded section. The assembly also contains an adaptor having a central channel and an external annular sealing groove, a washer disposed within a seal cavity for forming a sealed connection when the body and adaptor are engaged, and a collar for movably connecting the connector body to the adaptor and selectively positioning the external sealing groove with respect to the internal sealing groove.

REFERENCES:
patent: D341409 (1993-11-01), Wiser
patent: 3120743 (1964-02-01), Wilson
patent: 3563055 (1971-02-01), Owens
patent: 3745787 (1973-07-01), Ponziani
patent: 3877248 (1975-04-01), Honnold, Jr.
patent: 3992898 (1976-11-01), Dufu et al.
patent: 4643222 (1987-02-01), Wiser
patent: 4674673 (1987-06-01), Parrish
patent: 5131695 (1992-07-01), Wiser
patent: 5564754 (1996-10-01), Grenga

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