Water-permeable floor covering boards

Details Water-permeable floor covering boards Water-permeable floor covering boards

1974-08-12

1976-08-31

Whitby, Edward G.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Composite having voids in a component

156 79, 156254, 156331, 156338, 260 25BE, 260 25AT, 264 453, 264 465, 264160, 264DIG7, 428310, 428327, B32B 518

Patent

active

039782638

ABSTRACT:
Disclosed is a process for manufacturing elastic floor covering boards comprising a lower, water-permeable layer of natural or synthetic rubber particles bound together by an adhesive and a cover layer of non-woven synthetic textile fibers, which process comprises placing into a mold the cover layer of non-woven synthetic textile fibers, impregnating this layer with a resilient, heat-curable adhesive, placing the particles of natural or synthetic rubber which are likewise impregnated with said adhesive on top of the fibrous layer and subsequently compressing both layers in the mold at a temperature below 100.degree.C. and at a pressure of from 40 to 100 metric tons per square meter until the adhesive is cured. Advantageously, a woven reinforcing layer is interposed between the two layers prior to molding to provide an exceptionally strong and stable product.

REFERENCES:
patent: 3240855 (1966-03-01), Voelker
patent: 3251916 (1966-05-01), Newnham et al.
patent: 3537929 (1970-11-01), Keith et al.

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