Plywood and method of manufacturing the building board and wood soundproof flooring and plywood using this

摘要

PROBLEM TO BE SOLVED: To provide a plywood capable of enhancing dimensional stability and, at the same time, preventing the occurrence of cracks, making a recess over load small and suppressing the occurrence of bending in a product state after completion of production.;SOLUTION: In a plywood A having a plurality of veneers 1 laminated and unified, a thermosetting-resin impregnated sheet bonding veneer 3 is arranged on the top-most layer of the plywood A. The thermosetting-resin impregnated sheet bonding veneer 3 is constituted of at least a veneer 12 (1) and a thermosetting-resin impregnated sheet 2, which are unified in advance by heating and pressing treatment, forming the curing layer B of the thermosetting resin by the impregnation of the thermosetting resin into the veneer 12 (1) in the thermosetting resin impregnated sheet 2.;COPYRIGHT: (C)2008,JPO&INPIT