Stock material or miscellaneous articles – Two dimensionally sectional layer – Next to unitary web or sheet of equal or greater extent
Patent
1990-06-20
1993-08-24
Lesmes, George F.
Stock material or miscellaneous articles
Two dimensionally sectional layer
Next to unitary web or sheet of equal or greater extent
428219, 428246, B32B 314
Patent
active
RE0343579
ABSTRACT:
The present invention concerns loose-lay floor structures comprising at least two layers of reinforcing material and processes to design and produce them. Loose-lay floors may be designed which will be suitable for use over stable subfloors, or which will accommodate the movement of very unstable subfloors. Flooring constructed according to this invention will have the ability to resist buckling, curling and doming, and will resist moving under a rolling load. A process is also provided for modifying structures comprising a single reinforcing layer in situ so as to convert structures with unacceptable buckling characteristics into structures with acceptable buckling characteristics. As an alternative, the reinforcing layer may be premodified such that, when used to provide a surface covering, the covering will have acceptable buckling characteristics. In appropriate circumstances, surface coverings of the present invention may also be adhered to subsurfaces, and processes are described wherein the required adhesive capacity of an adhesive can be calculated.
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Eckert Donald C.
George J. Richard
Lilley George L.
Sensenig Darryl L.
Tshudy James A.
Armstrong World Industries Inc.
Lesmes George F.
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