Static structures (e.g. – buildings) – Facers; e.g. – modules – mutually bonded by internal settable... – Laterally related modules; e.g. – back-to-back
Reexamination Certificate
1998-03-17
2001-09-25
Safavi, Michael (Department: 3635)
Static structures (e.g., buildings)
Facers; e.g., modules, mutually bonded by internal settable...
Laterally related modules; e.g., back-to-back
C052S442000
Reexamination Certificate
active
06293067
ABSTRACT:
BACKGROUND AND SUMMARY OF THE INVENTION
This invention pertains to forms for holding poured concrete being used as basement or other concrete walls, and more particularly to a system for providing such forms quickly, conveniently and at relatively low cost.
Poured concrete walls have been used for many years. Forms into which to pour the concrete to form the walls have undergone many changes during that time. At first, with inexpensive carpenter labor, it was easiest to simply build wooden walls forming a trench between those walls into which the newly-mixed concrete could be poured. Later, re-usable sheet metal forms were developed. These forms could be placed, the concrete poured, and the forms removed so they could be reused.
More recently, systems have been proposed by which slabs of foamed plastic material are held in parallel spaced relation while the concrete is poured into the space between the slabs. With such walls, the plastic forms remain as insulation.
This invention pertains to the latter type of system and provides a much quicker, simpler way of putting the forms together for the preparation of the form for the pouring of the concrete, and a wall more rigid and supportive than previous walls of its type.
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Gilchrist Michael C.
Laurenzo Brian L.
Safavi Michael
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