| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a manufacturing process of a flat square wooden material by which the flat square wooden material constituted of two coreless right square timbers bonded together on the inner side of the timber and having an aesthetic appearance are efficiently manufactured in a reduced manufacturing time. Ž<P>SOLUTION: The manufacturing process of the flat square wooden material comprises the step of getting one or two coreless right square timbers 2A and 2B out of a log 1, the step of drying the sawn coreless right square timbers 2A and 2B, and the bonding step of bonding the inner sides of the dried coreless right square timbers. In sawing the two coreless right square timbers 2A and 2B, a log 1 is sawn at two mutually parallel planes 14 and 15 with the heart 1a of the lgn in between to form the inner sides of the sawn timbers 21 and 21. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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