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US 5,342,680 AGranted
Glass mat with reinforcing binder
AssigneeGeorgia-Pacific Corporation
InventorBrian G. Randall
Life of this patent
Estimating the term…
Abstract
In gypsum board faced with a fibrous mat, for example, a mat of glass filaments adhesively bound together, improvements are realized by the use of a reinforcing resinous binder in the mat.
Claims5
A gypsum board faced with a fibrous mat having a predetermined thickness comprising glass fibers bound together with an adhesive and including also a reinforcing resinous binder extending but part-way through the thickness of the mat into the interstices thereof, the amount of reinforcing resinous binder being at least about 3 g/m.sup.2 of mat.
Dependencies are inferred from the claim text.