| 摘要 |
PROBLEM TO BE SOLVED: To easily release a die from a cured concrete without accompany troublesome operations for recycling in a cutting die for drain used for forming a groove with a drain at a place where a roof drain is formed by placing a concrete. SOLUTION: This cutting die for drain comprises a cutting die body 10 and a fixed plate 20. The cutting die body 10 is placed on a drain body 4 disposed at the place where the drain A is formed, has a handhold hole 11 formed therein at a position to which the centerline of the drain body 4 is extended, and has a pair of locking holes 12, 12 formed symmetrically with respect to the handhold hole 11. The fixed plate 20 is formed detachable from the cutting die body 10, has an insertion hole 21 formed therein at a position to which the centerline of the drain body 4 is extended, and has projections 22, 22 engaged with the locking holes 12, 12. COPYRIGHT: (C)2007,JPO&INPIT
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