Static structures (e.g. – buildings) – Wall – ceiling – or floor designed for utilities – Load-bearing – prefabricated – abutting units with aligned...
Patent
1987-06-19
1989-04-04
Raduazo, Henry E.
Static structures (e.g., buildings)
Wall, ceiling, or floor designed for utilities
Load-bearing, prefabricated, abutting units with aligned...
52707, 285 64, E04B 548
Patent
active
048173487
ABSTRACT:
The duct forming sleeve assembly is used in a process for providing passageways in concrete structures for routing of pipes, cables or conduits therethrough. The assembly comprises a rectangular base plate member which is positioned within the concrete in a plane parallel to a surface of the concrete and attached to a wooden or metal floor deck, prior to pouring the concrete. The base plate has screw holes used for mounting the base plate to the deck and is provided with a plurality of cutout areas each of which is capable of accepting a cylindrical sleeve member therein. A plurality of cylindrical rigid sleeve members, equal to the number of cutout areas within the base plate are received in the cutout areas of the base plate along an axis which is perpendicular to the plane of the base plate.
A reinforcing rod system, comprising a plurality of elongate metal rods welded at points along their length to each of the plurality of sleeve members at an identical position on each of the sleeve members is also provided.
The method for utilizing the duct forming sleeve assembly described above comprises the steps of: constructing a concrete form by arranging forming frame members into a framework; placing the duct forming sleeve assemblies at predetermined positions along the framework and attaching each assembly to the forming frame members; and pouring the concrete into the framework.
REFERENCES:
patent: 3009167 (1961-11-01), Leonard
patent: 3810339 (1974-05-01), Russo
patent: 4272643 (1981-06-01), Carroll
Raduazo Henry E.
Vigil Thomas R.
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