Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Liheng Chen0
Robert W. F. Wellwood0
Date of Patent
February 9, 2010
Patent Application Number
11944561
Date Filed
November 23, 2007
Patent Citations Received
Patent Primary Examiner
Patent abstract
A low density oriented strand board has an average density of less than about 1.5 times the density of wood species used in the board and a homogenous vertical density profile. Low density OSB may be formed by preheating the wood finish prior to pressing, controlling the moisture content such that the core layer has a higher moisture content than the face layers, or a combination of pre-heating and moisture content control.
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