Static structures (e.g. – buildings) – With synthetic resinous component – Foam
Patent
1975-03-05
1977-08-02
Faw, Jr., Price C.
Static structures (e.g., buildings)
With synthetic resinous component
Foam
52438, 52441, 264 465, 264 466, E04C 140, E04B 220, B29B 720, B29B 2300
Patent
active
040387984
ABSTRACT:
A lightweight, thermally insulated block form for reinforced concrete construction, having voids extending between the top and bottom for the reception of concrete, is formed with a sheath of a non-combustible porous material, and a core of foamed plastic. The concrete receiving voids in the core are lined with circular cardboard tubes. In the finished construction the organically based plastic foam is enclosed in the inorganic non-combustible sheath and the surface of the sheath is sufficiently non-resilient so that when properly coated to seal and protect the surface it may act as a finished building surface. The cardboard tubes contain the concrete slurry so as to isolate the low tensile strength, low modulus of elasticity block against forces which might crack or distort the block.
The block is formed by joining four rectangular slabs of the sheath material at their ends to form an open-ended rectangular tube. This tube and the cardboard tubes are placed as inserts in a mold and the mold is filled with self-foaming plastic which forms a core between the exterior walls of the circular cardboard tubes and the interior walls of the surrounding sheath, adhering to those surfaces, integrating the whole.
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Faw Jr. Price C.
Ridgill, Jr. James L.
U-Forms International, Inc.
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