Title:
WATER STOP DEVICE
Document Type and Number:
Japanese Patent JP2023157496
Kind Code:
A
Abstract:
To raise a water stop height according to the rise in water level.SOLUTION: A water stop device includes a main water stop plate 11 provided so as to cross the flow of water, and an auxiliary water stop plate 12 provided so as to be movable upward with respect to the main water stop plate 11. The auxiliary water stop plate 12 moves upward due to buoyancy to increase a water stop height of the main water stop plate 11.SELECTED DRAWING: Figure 4
Inventors:
IWASE KENSHO
Application Number:
JP2022067440A
Publication Date:
October 26, 2023
Filing Date:
April 15, 2022
Export Citation:
Assignee:
BUNKA SHUTTER
International Classes:
E04H9/14; E06B5/00
Attorney, Agent or Firm:
Patent Attorney Corporation Wisdom International Patent and Trademark Office