Title:
止水ユニット
Document Type and Number:
Japanese Patent JP7203413
Kind Code:
B2
Abstract:
To provide a water cut-off unit capable of improving watertight performance while adopting general one as a packing.SOLUTION: A water cut-off unit comprises: a first water storage portion 20 disposed in a width direction of a passage, dug down from a ground surface or a floor face, and comprising a first water discharge port 21 for discharging water; a water cut-off plate 40 stored inside the first water storage portion, and ascending by obtaining buoyance from stored water when water of amount more than discharging property of the first water discharge port flows into the first water storage portion to be stored; guide portions 50 erected at both ends of the first water storage portion in a longer direction and preventing the ascending water cut-off plate from tilting and falling; hollow and long packings 60, 61 with D-shaped cross section which are stuck to at least one of a face facing the water cut-off plate and a face facing an indoor side of the water cut-off plate in an indoor side of the first water storage portion and the guide portion; and a fixing long material 65 inserted into the packing, and a part of which is joined to a side where the packing is stuck, to press down a flat face of the packing.SELECTED DRAWING: Figure 4
Inventors:
Kayoko Ito
Application Number:
JP2018220835A
Publication Date:
January 13, 2023
Filing Date:
November 27, 2018
Export Citation:
Assignee:
Hokusei Corporation
International Classes:
E02B7/22; E06B5/00; E06B7/23
Domestic Patent References:
| JP2014163124A | ||||
| JP62108494U | ||||
| JP59160446U | ||||
| JP2015113603A |
Attorney, Agent or Firm:
Sakaoka Nori