Reform manner null of the lumber which buckles

摘要

PURPOSE: To effectively utilize wood by correcting wood curved during growth or after lumbering. ;CONSTITUTION: Curved wood 1 is softened under heating to be forcibly pushed in a correction mold 4 to correct the curve of the wood 1 and the corrected wood is treated with high pressure stream at high temp. for a definite time in a high temp. and high pressure container 8 to fix correction. Further, the pressure difference of high temp. and high pressure steam is provided between the base port and terminal port of the correction mold 4.;COPYRIGHT: (C)1995,JPO