Static structures (e.g. – buildings) – Opaque stonelike module – With traversing passage
Reexamination Certificate
1998-08-28
2001-04-10
Friedman, Carl D. (Department: 3635)
Static structures (e.g., buildings)
Opaque stonelike module
With traversing passage
C052S606000, C052S144000, C052S145000, C052S309120, C052S309150
Reexamination Certificate
active
06212845
ABSTRACT:
FIELD OF INVENTION
This invention relates to novel wall structures for housing and other buildings and novel components therefor.
More particularly the invention relates to the creation of a wall structure of confined poured concrete which is fully insulated at the time of its erection and novel components for use in forming same.
BACKGROUND OF THE INVENTION
Conventionally poured concrete walls used, for example, as basement and other exterior walls for housing and other building structures involve the erection of suitable form work defining the wall shape, pouring concrete into the form work, and, when same is sufficiently set, removing the form work.
It has been proposed in European Patent Application EP O 1320 745 to erect a wall of hollow interlocking thermoplastic components which then can be filled with cementitious material if desired.
In my early PCT application PCT/CA94/00274, I disclosed an arrangement of extruded thermoplastic components which can be interlocked together to form a wall structure for receiving concrete therein with internal communication provided between the interlocking components so that concrete poured therein can flow therebetween to provide a thermoplastic wall structure held in interlocked relation and converted to a permanent wall by the concrete confined therein.
In all such previous wall structures, the need to insulate the walls against heat transfer requires the carrying out of entirely separate operations and procedures usually by different trades which add significantly to the building costs.
SUMMARY OF THE INVENTION
The present invention is directed to eliminating the aforesaid need to separately insulate building walls by creating the walls as fully insulated walls at the time of their erection.
According to the present invention, the novel insulated wall structure is formed with upright hollow thermoplastic extrusions connected together in a row, with the extrusions presenting a row of compartments adapted to receive concrete extending along the length of the wall structure and a row of compartments containing or adapted to receive insulation material also extending along the length of the wall along side or in parallel with said row of concrete receiving compartments whereby when said compartments adapted to receive concrete are filled with concrete and said insulation receiving compartments are filled with insulation, the insulation in said insulation receiving compartments is positioned to block heat transfer through the wall.
According to the preferred embodiment of the invention, the hollow thermoplastic extrusions are provided with interlocking means to interlock with adjoining extrusions and the row of concrete receiving compartments are in internal communication so that concrete can flow between compartments.
As will be understood, any suitable insulating material such as fiberglass or the like may be introduced into the insulation receiving compartments or the insulation receiving compartments may be filled with foamed insulation such as polyurethane foam or the like as desired.
The present invention also resides in providing novel wall forming units or components in the form of elongated hollow thermoplastic extrusions adapted to be assembled into a wall structure and having internal walls to provide the requisite concrete receiving and insulation receiving or containing compartments.
In this aspect of the invention, the novel wall forming units or components are in the form of an elongated hollow thermoplastic extrusion presenting two spaced walls which, when the unit or component is incorporated in an upright position into a wall structure, form upright exterior wall segments of the wall structure, the spaced walls being held in spaced relation by at least two transverse walls extending therebetween with at least one internal wall extending between the at least two transverse walls intermediate of the spaced walls to divide the interior of said unit or component into at least two compartments, one to receive concrete or the like, the other to receive insulating material to block heat transfer between said spaced walls.
In the preferred embodiment of the invention, the units or components are provided with interlocking means to interlock with adjoining components and the transverse walls of the component have openings therein providing communication with the interior of the concrete receiving compartment.
REFERENCES:
patent: 4819396 (1989-04-01), Cruise
patent: 5193318 (1993-03-01), D'Antonio et al.
patent: 5615529 (1997-04-01), Johnson et al.
patent: 957816 (1974-11-01), None
patent: 2107725 (1973-05-01), None
patent: 2721054 (1994-06-01), None
patent: WO 94/28262 (1993-05-01), None
patent: WO 95/00724 (1995-01-01), None
Chavez Patrick J.
Friedman Carl D.
Royal Building Systems (CDW) Limited
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