US 11,859,404 B2
Fire resistant shelter
Akihiko Yano, Shizuoka (JP)
Assigned to SHELTER JAPAN CO., LTD., Shizuoka (JP)
Appl. No. 17/601,451
Filed by SHELTER JAPAN Co., Ltd., Shizuoka (JP)
PCT Filed Mar. 25, 2020, PCT No. PCT/JP2020/013183
§ 371(c)(1), (2) Date Oct. 5, 2021,
PCT Pub. No. WO2020/203512, PCT Pub. Date Oct. 8, 2020.
Claims priority of application No. 2019-072413 (JP), filed on Apr. 5, 2019.
Prior Publication US 2022/0195747 A1, Jun. 23, 2022
Int. Cl. E04H 9/14 (2006.01); E04H 9/12 (2006.01); E04H 9/08 (2006.01)
CPC E04H 9/14 (2013.01) [E04H 9/08 (2013.01); E04H 9/12 (2013.01)] 13 Claims
OG exemplary drawing
 
1. A fire resistant shelter, comprising:
a shelter main body having a bottom plate, a side wall that attaches an underground door and a ceiling, the shelter main body defining an underground evacuation space;
a heat insulating housing having an elevating device and defining a heat insulating space that is capable of storing water and is connected to the underground door; and
a water supply device that is configured to supply water to the heat insulating space,
wherein the water supply device includes a water tank for storing water and a water supply pipe for supplying the water in the water tank to the heat insulating space, and
a water amount capacity of the water tank is more than an amount that the water is supplied to a height of an upper surface of the underground evacuation space.