Plenum starter piece

Details Plenum starter piece Plenum starter piece

1974-06-13

1976-05-04

Arola, Dave W.

Pipe joints or couplings

Connector for conduit housing electromagnetic line:

Having box and connector

285424, F16L 304

Patent

active

039542890

ABSTRACT:
Disclosed is a plenum starter piece useful for attaching conduit to a planar plenum. The starter piece includes a body member which is a relatively short cylindrical piece having an external flange adapted to fit against the surface of the plenum and to accommodate fastening means. The outer end of the body member is proportioned for telescoping engagement with a conduit. Telescoped into the flanged end of the body member is an insert having a projecting end which is proportioned to fit through and engage the edges of a hole cut in the plenum.

REFERENCES:
patent: 961685 (1910-06-01), Cosgrove
patent: 2456195 (1948-12-01), Jackson
patent: 3095219 (1963-06-01), Tutty
patent: 3430990 (1969-03-01), Nelson

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