Method and apparatus for improved activation of services in an o

Details Method and apparatus for improved activation of services in an o Method and apparatus for improved activation of services in an o

1992-03-13

1995-11-21

Friedman, Carl D.

Static structures (e.g., buildings)

Wall, ceiling, or floor designed for utilities

522208, 174 49, E04B 548

Patent

active

054675650

ABSTRACT:
This patent discloses a method and apparatus for activation of services in a concrete floor of an office building from below floor slab distribution systems. Void-forming boxes that are secured to a conventional metal deck sheet and surrounded by the concrete floor slab provide chambers in which in-floor activations are mounted. An insulating block in the void-forming box restores fire resistance, prior to installation of an activation kit, that is lost by displacement of concrete by the void-forming box. An in-floor activation kit may be installed within the void-forming box and connected to a below floor slab distribution system through an activation opening cut in the metal deck sheet. Connection hardware is secured to the metal deck sheet for connection to a conventional below-floor slab service distribution system providing communication from the interior of the void-forming box to the below-floor slab service distribution system. Void-forming boxes mounted to the metal deck sheet may be connected by conduit in a conventional manner allowing conductors to be routed from a void-forming box connected to a below floor slab service distribution system to another void-forming box through connecting conduit.

REFERENCES:
patent: 3932696 (1976-01-01), Fork et al.
patent: 3973366 (1976-08-01), Balane et al.
patent: 4012874 (1977-03-01), Brogan et al.
patent: 4529833 (1985-07-01), Weis
patent: 5195288 (1993-03-01), Penczak

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