Conduit apparatus

Details Conduit apparatus Conduit apparatus

1974-09-11

1976-06-29

Purser, Ernest R.

Static structures (e.g., buildings)

Tensioned or flexed sheet facing

52220, 85 83, 52704, E04B 548, E04B 138

Patent

active

039656292

ABSTRACT:
Conduit apparatus providing a fire resistant passageway, for an elongate member such as wire, through a hole in a barrier such as a floor, wall or the like may comprise: a tubular core member through the interior of which the elongate member may pass; friction surfaces surrounding the exterior of the core member for frictional and sealing engagement with the barrier hole; and a seal member engageable with the interior of the core member and the exterior of the elongate member.

REFERENCES:
patent: 824250 (1906-06-01), Knapp
patent: 1760618 (1930-05-01), Woodhead
patent: 2738892 (1956-03-01), Wiesman
patent: 2958548 (1960-11-01), DeVienne et al.
patent: 3177284 (1965-04-01), Stuessei
patent: 3199398 (1965-08-01), Weisz
patent: 3380208 (1968-04-01), Cook
patent: 3395243 (1968-07-01), Kelly
patent: 3483787 (1969-12-01), Saunders

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