| 摘要 |
PROBLEM TO BE SOLVED: To provide a woody material having straight grain which is formed by binding a large number of woody material pieces by a binder and used as a decorative material for a wall material, a flooring material, a ceiling material, etc. SOLUTION: A large number of the woody material pieces are made to be the woody material having straight grain by mixing a conifer and a broadleaf tree or mixing sapwood and heartwood. Since the woody material pieces are stacked while being oriented within±15°, longitudinal streaks are formed. COPYRIGHT: (C)2005,JPO&NCIPI
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