Hydraulic and earth engineering – Earth treatment or control
Reexamination Certificate
2005-12-13
2005-12-13
Chapman, Jeanette E (Department: 3635)
Hydraulic and earth engineering
Earth treatment or control
C405S264000, C405S128100, C405S229000, C405S270000, C405S302400, C405S302700
Reexamination Certificate
active
06974278
ABSTRACT:
In this invention, after the grade at a construction site has been excavated and/or graded to its preliminary rough grade, re-enforcing material, typically synthetic in nature, such as nylon or polypropylene mesh or rods, fiber-glass rods or mesh, or other specified re-enforcing material is laid across soil at the construction site and a reinforced base is formed by covering the reinforcing material with a polymeric resin, whereby upon curing, the polymeric resin and reinforcing material forms a contiguous thermo-structural base. Re-enforcement material comprising synthetic and/or non-synthetic components in the form of rods, rope, strapping, mesh, netting, geotextile fabrics or other dimensional forms laid longitudinally, or in a grid pattern, in single or multiple layers, tied or not tied all in situ sprayed with a high density closed cell, water resistant expanding two component polyurethane foam system. The reinforcing material may be nylon, polypropylene, fiberglass, other synthetic or non-synthetic materials or combinations of these materials.
REFERENCES:
patent: 4358223 (1982-11-01), Jahns et al.
patent: 5494514 (1996-02-01), Goodson et al.
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