To provide a drain collection device promoting the facilitation and quickness of work to make it possible to surely close an opening section and to collect a drain.
In a drain collection device used for the closing of a piping work sleeve hole 2 bored in a floor slab 1 of a building, a drain outlet 13 is provided in a disk plate 16 so as to cover the lower surface of the sleeve hole 2 in the floor slab 1, a packing 6 is provided to the upper surface of the disk plate 16 so as to surround the outside of a sleeve hole 12 in the floor slab 1, and an interlocking piece 12 interlocked with the upper surface 11 of the floor slab and the disk plate 16 are clamped with a bolt and nut 9 so that the disk plate 16 can be pushed against the lower surface of the floor slab. By the constitution, the sleeve hole can be closed by clamping only the bolt and nut, and since drainage can be simultaneously completed, drain settled on the floor slab in every story can be naturally drained out, and work excellent in safety, facilitation and quickness can be executed at a low construction cost.
KURASHIMA HIROYUKI
IZAWA TOSHIHIRO
KURASHIMA HIROYUKI
IZAWA TOSHIHIRO