| 摘要 |
PROBLEM TO BE SOLVED: To provide a concrete form which can be reduced in weight and reused and cope with a situation where the shape of a structure is changed halfway. SOLUTION: The concrete form includes a long plastic pipe, an edge fastening member and a planar sheathing board. The plastic pipe and edge fastening member are connected with bolt and nut into integration to reinforce the back face of the sheathing board, allowing a reduction in weight and coping with a change in the shape of the structure halfway. Furthermore, the concrete form can be reused to attain an effective utilization of natural resources. COPYRIGHT: (C)2011,JPO&INPIT
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