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Comminution process to produce engineered wood particles of uniform size and shape with disrupted grain structure from veneer

United States Patent

July 30, 2013
View the Complete Patent at the US Patent & Trademark Office
Comminution process of wood veneer to produce wood particles, by feeding wood veneer in a direction of travel substantially normal to grain through a counter rotating pair of intermeshing arrays of cutting discs arrayed axially perpendicular to the direction of veneer travel, wherein the cutting discs have a uniform thickness (Td), to produce wood particles characterized by a length dimension (L) substantially equal to the Td and aligned substantially parallel to grain, a width dimension (W) normal to L and aligned cross grain, and a height dimension (H) substantially equal to the veneer thickness (Tv) and aligned normal to W and L, wherein the W.times.H dimensions define a pair of substantially parallel end surfaces with end checking between crosscut fibers.
Dooley; James H. (Federal Way, WA), Lanning; David N. (Federal Way, WA)
Forest Concepts, LLC (Auburn, WA)
13/ 690,986
November 30, 2012
STATEMENT OF GOVERNMENT LICENSE RIGHTS This invention was made with government support by the Small Business Innovation Research program of the U.S. Department of Energy, Contract SC0002291. The government has certain rights in the invention.