Abandonment plug for concrete floors

Details Abandonment plug for concrete floors Abandonment plug for concrete floors

H - Electricity

02

G

347/13

H02G 3/14 (2006.01) E04B 1/68 (2006.01)

Patent

CA 2014424

An abandonment plug assembly for limiting heat and fire passage through an opening formed through a floor, comprises a cover for disposition atop the floor and configured to extend beyond the opening and engage the floor, first and second cup members dependant from the cover and mutually displaceable toward one another to force a substance disposed therebetween into contiguity with the sidewall bounding the opening, an actuator for effecting the displacement of the first and second cup members and intumescent discs depending from the second cup member.

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