Method and means for fire-sealing a penetration for a conduit

Details Method and means for fire-sealing a penetration for a conduit Method and means for fire-sealing a penetration for a conduit

1979-09-11

1981-12-01

Faw, Jr., Price C.

Static structures (e.g., buildings)

Tensioned or flexed sheet facing

523094, 52577, 52741, 248 56, E04B 548

Patent

active

043029175

ABSTRACT:
A fire-seal for a cable penetration is provided with a pre-fabricated fire-sealing body comprising a corrugated tubular casing filled with a pre-compressed fire resisting elastic silicon foam. The body is placed in a site-poured concrete wall before pouring, or in an aerated concrete block from which a fire wall is then built. A tubular tool with a removable tip is driven through the foam so that one or more conduits can be threaded through the tool and foam. The tool is thereafter withdrawn from the foam and opened along an axial slit so that it can be removed transverse to the conduit.

REFERENCES:
patent: 3276176 (1966-10-01), Jonsson et al.
patent: 3655907 (1972-04-01), Philibert et al.
patent: 3976825 (1976-08-01), Anderberg
patent: 4035976 (1977-07-01), Downey
patent: 4061344 (1977-12-01), Bradley et al.
patent: 4086736 (1978-05-01), Landrigan
patent: 4221092 (1980-09-01), Johnson

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