Wall feedthrough fitting

Details Wall feedthrough fitting Wall feedthrough fitting

1978-03-09

1979-11-13

Arola, Dave W.

Pipe joints or couplings

Connector for conduit housing electromagnetic line:

Having box and connector

285348, 285353, 285356, F16L 500

Patent

active

041741269

ABSTRACT:
A wall feedthrough fitting comprises a feedthrough tube that is embedded in a wall and has a pair of opposite ends each exposed to the respective face of the wall. An annular seal surrounds this tube adjacent one of the ends and radially inwardly bears on the tube and radially outwardly bears on a holding ring embedded in the wall and spacedly surrounding the tube. This holding ring extends axially toward one end of the tube beyond the seal and has between the seal and this one end an internal screwthread. A pressure ring is threaded into this holding ring and may bear directly via an axial face or indirectly via an intermediate ring on the seal. The tube may be provided at its one end with an external thread that engages a complementary thread inside the pressure ring.

REFERENCES:
patent: 503433 (1893-08-01), McIntyre
patent: 1138946 (1915-05-01), Elliott
patent: 1538395 (1925-05-01), Gone
patent: 2560263 (1951-07-01), Wiegand et al.
patent: 2941025 (1960-06-01), Wayman
patent: 2958548 (1960-11-01), DeVienne et al.
patent: 3055972 (1962-09-01), Peterson

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