Title:
VERSATILE UNDERFLOOR VENTILATION HOLE DEVICE
Document Type and Number:
Japanese Patent JP2023111794
Kind Code:
A
Abstract:
To provide an underfloor ventilation hole and a building for installing an underfloor ventilation hole device basically in a cylinder shape at a foundation concrete part of an existing or new construction building easily and at a low cost, for being utilized for prevention of water immersion such as a flood, drainage, sterilization or drying during water immersion when necessary and further for being utilized for an opening from the outside an underfloor storage or pet bleeding.SOLUTION: An underfloor ventilation device is at a low price and in a simple structure composed of an underfloor ventilation hole body 3, an underfloor water immersion prevention member 4 and an outer periphery auxiliary member 5 for fixing, and it can be installed by an easy fitting work, allowing for underfloor storage by moving an underfloor water immersion member such as the underfloor water immersion prevention member 4 from the inside the underfloor ventilation hole body 3 to or out of the underfloor.SELECTED DRAWING: Figure 3
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Inventors:
MARUYAMA YOSHIYUKI
Application Number:
JP2022023306A
Publication Date:
August 10, 2023
Filing Date:
January 31, 2022
Export Citation:
Assignee:
MARUYAMA KAYO
International Classes:
E04H9/14; E04B1/70; E04H1/02