| 摘要 |
PCT No. PCT/EP90/01971 Sec. 371 Date Jun. 5, 1992 Sec. 102(e) Date Jun. 5, 1992 PCT Filed Nov. 19, 1990 PCT Pub. No. WO91/08878 PCT Pub. Date Jun. 27, 1991.Wooden boards which are deformably twisted about their longitudinal axes are straightened by being passed through a path that is twisted in a direction opposite that of the boards. The degree of twist of the boards is automatically adjusted as a function of the humidity of the boards and possibly also as a function of the temperature of the boards.
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