| 摘要 |
PROBLEM TO BE SOLVED: To provide a three-dimensional structure having a shape which has a part needing drawing by a forming plywood. SOLUTION: A shell structure S to be a three-dimensional structure using a plywood which is composed of a plurality of laminating single plates is provided with two half-forming plywood to be a seat shell 1 and a back shell 2 which are bent and formed in a range that contraction and expansion are not forced to an extent that the respective single plates are destroyed. The seat shell 1 and the back shell 2 are joined by facing its end faces 1a and 2a to each other. COPYRIGHT: (C)2008,JPO&INPIT
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