| 摘要 |
PROBLEM TO BE SOLVED: To provide a corner form for placing concrete, which prevents the concrete from leaking from a joint part of the form in the placing of the concrete. SOLUTION: This corner form 30 comprises a bent sheathing board part 32, one side of which serves as a concrete placing surface 31, and a side plate part 33 which is perpendicularly bent to the other side of the surface 31 of the board part 32 from both side edges of the sheathing board part 32; and a vertically elongated protrusive streak part 41, the one-side surface of which is made flush with the surface 31 of the board part 32, is protrusively provided on an outside surface 38 of at least one side plate part 33. COPYRIGHT: (C)2005,JPO&NCIPI
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