Title:
トンネルの防災設備及び仕切装置
Document Type and Number:
Japanese Patent JP7303057
Kind Code:
B2
Abstract:
To reliably partition a fire generation area in a tunnel to thereby perform smoke shield, heat shield and flame shield, and extinguish and suppress fire while securing an evacuation environment.SOLUTION: In the fire, a partition sheet 16a is unfolded by swiveling a swiveling type partition device 16 positioned in the boundary between the upstream side and the downstream side of an area F of the fire side including a position where a fire source 100 exists in the direction of crossing a road 12 from an initial position along a watchman passage 14. A gap area caused by the unfolding of the partition sheet 16a is extinguished and suppressed in the fire by unfolding the partition sheets 18a, 20a, 22a of a partition device 18 for a ceiling, a partition device 20 for the watchman passage and a partition device 22 for a sidewall arranged in the wall surface side to thereby form a partition section 15, and the fire extinguishing water is spread from a fire extinguishing head 26, while securing smoke shield property, heat shield property and flame shield property.SELECTED DRAWING: Figure 11
Inventors:
Hiroshi Umehara
Application Number:
JP2019137341A
Publication Date:
July 04, 2023
Filing Date:
July 26, 2019
Export Citation:
Assignee:
Hochiki Co., Ltd.
International Classes:
A62C2/06; A62C3/02; E21F11/00
Domestic Patent References:
| JP2005245683A | ||||
| JP2004313753A | ||||
| JP2006101928A | ||||
| JP49134425U | ||||
| JP10127804A | ||||
| JP2013202102A | ||||
| JP2002035147A | ||||
| JP2007211536A | ||||
| JP8299484A | ||||
| JP2004313490A |
Foreign References:
| US20050039931 |
Attorney, Agent or Firm:
Susumu Takeuchi