Floor covering for athletic facility
AssigneeJ. P. Stevens & Co., Inc.
InventorsJoseph L. Zuckerman, Carl R. Eckardt, Robert V. Bertotti
Life of this patent
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Abstract
A multilayer floor covering is provided which is suitable for use as a playing surface of an athletic facility. The floor covering comprises a composite needlepunched material in which a fiber batt bottom layer is needled into a support layer so that a portion of the fiber batt protrudes through the top of the support layer, a layer of polyurethane elastomer adhered to the composite needlepunched material and a top wear coating of polyurethane adhered to the layer of urethane elastomer.
Claims6
A multilayer product suitable for use as a floor covering of an athletic facility comprising a composite needlepunched material having a fiber batt bottom layer at 10 to 80 ounces per square yard needled into a support layer of fabric or film so that a minor portion of the fiber batt protrudes through the top of said support layer and a major portion of the fiber batt remains as a fibrous layer at least 1/16 inch thick attached to the bottom of said support layer;
- a layer of polyurethane elastomer of from 3/64 inch to 3/8 inch thick adhered to the top of said composite needlepunched material, said polyurethane elastomer having a Shore A hardness of 30 to 90, a resilience of 20 to 50 percent rebound, a compression set of not greater than 35 percent, an ultimate elongation of at least 80 percent, an ultimate tensile strength of at least 200 p.s.i., a density of 0.5 to 1.6 gm./cm..sup. 3 and a tear strength of at least 50 p.l.i,;
- and a wear coating of polyurethane having a high abrasion resistance adhered to the top of said layer of urethane elastomer said wear coating providing said multilayer product with a smooth surface.
Dependencies are inferred from the claim text.