Structural sheathing panels

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 6620487
SERIAL NO

09721188

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A reinforced, lightweight, dimensionally stable panel capable of resisting shear loads when fastened to framing equal to or exceeding shear loads provided by plywood or oriented strand board panels. The panels employ a core of a continuous phase resulting from the curing of an aqueous mixture of calcium sulfate alpha hemihydrate, hydraulic cement, an active pozzolan and lime, the continuous phase being reinforced with alkali-resistant glass fibers and containing ceramic microspheres, or a blend of ceramic and polymer microspheres, or being formed from an aqueous mixture having a weight ratio of water-to-reactive powder of 0.6/1 to 0.7/1 or a combination thereof. At least one outer surface of the panels may include a cured continuous phase reinforced with glass fibers and containing sufficient polymer spheres to improve nailability or made with a water-to-reactive powders ratio to provide an effect similar to polymer spheres, or a combination thereof.

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First Claim

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Patent Owner(s)

Patent OwnerAddress
UNITED STATES GYPSUM COMPANY550 WEST ADAMS STREET CHICAGO IL 60661

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bonen, David M Skokie, IL 1 104
Dubey, Ashish Grayslake, IL 61 1638
Natesaiyer, Kumar C Grayslake, IL 2 109
Tonyan, Timothy D Wheaton, IL 16 753

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