METHOD OF FORMING WOODEN PIECE
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United States of America Patent
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app pub date -
Sep 30, 2011
filing date -
Apr 2, 2009
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Abandoned
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Abstract
A method of forming a wooden piece forms the wooden piece into a predetermined three-dimensional shape by compressing the wooden piece. The method includes attaching an elastic reinforcing member to an area of an inner surface of a wooden piece that is cut out to be substantially bowl-shaped, the area including a point where a change in curvature before and after compression is largest and separation of grain is largest; softening the wooden piece to which the reinforcing member is attached in a water-vapor atmosphere at a higher temperature and pressure than those in an atmospheric air; and compressing the softened wooden piece in the water-vapor atmosphere so as to deform the wooden piece into a predetermined three-dimensional shape.
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