Smooth-sided integral composite engineered panels and methods for producing same

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United States of America Patent

PATENT NO 6461743
SERIAL NO

09641550

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Abstract

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A method is provided for forming a durable, smooth-sided, multi-layer integral, composite engineered panel. The method typically is directed to first forming a mat comprising a plurality of layers of lignocellulosic strands or wafers. The plurality of layers of lignocellulosic strands or wafers are bonded together by an adhesive material. Then, at least one layer of smaller particles of lignocellulosic material is formed on the mat. This layer of smaller particles is blended together with an adhesive material thereby joining the layer of smaller particles to at least one outer surface of the mat. Next, at least one sheet of paper is joined to an outer layer of smaller particles of lignocellulosic material. This step takes place during the formation of the multi-layer integral, composite engineered panel. Finally, a substantially smooth outer surface is formed, upon pressing, in at least one surfaces of the multi-layer integral, composite engineered panel.

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Patent Owner(s)

Patent OwnerAddress
LOUISIANA-PACIFIC CORPORATION A DE CORP111 SOUTHWEST FIFTH AVENUE PORTLAND OR 97204

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ritter, David C West Linn, OR 7 46
Tanzer, Jay West Linn, OR 6 43

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