Pipe joints or couplings – Packed – Wedge
Patent
1975-10-10
1977-06-21
Callaghan, Thomas F.
Pipe joints or couplings
Packed
Wedge
174 65SS, 2853827, H02G 300
Patent
active
040307425
ABSTRACT:
A liquid-tight fitting is provided to connect generally non-compressible plastic conduit and electrical cable to a connection of some type. The fitting has a self-adjusting rigid plastic gland, which has a body portion with a relatively thin sleeve extending axially away from the body portion for encircling the conduit or cable. A nut threaded on the body of the fitting compresses the sleeve into sealing engagement with the conduit and fitting and to positively interconnect the conduit and connection to provide strain relief therewith.
REFERENCES:
patent: 2355166 (1944-08-01), Johanson
patent: 2522785 (1950-09-01), Hanson
patent: 2640716 (1953-06-01), Bigelow
patent: 2941025 (1960-06-01), Wayman
patent: 3040120 (1962-06-01), Berry
patent: 3109052 (1963-10-01), Dumire et al.
patent: 3476412 (1969-11-01), Demler
patent: 3501177 (1970-03-01), Jacobs
patent: 3913956 (1975-10-01), Eidelberg et al.
Eidelberg Jonah
Mooney Thomas
Callaghan Thomas F.
I-T-E Imperial Corporation
Miskin Howard C.
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