Title:
開閉体装置の防火構造
Document Type and Number:
Japanese Patent JP6739229
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a fire preventive construction of an opening/closing body device that can prevent ignition which is not direct firing of a resin-made component when a fire takes place, and secure performance as a fire-proof window shutter.SOLUTION: A fire preventive construction of an opening/closing body device is provided with: a shutter curtain 11 which opens and closes an opening part of a building; a seat plate 21 constituting the shutter curtain 11; a space formation part (third space formation groove 63) formed on an interior surface side of the seat plate 21; a lock device 29 as a resin-made component fixed to the seat plate 21 across the space formation part; and a heating foam material 65 accommodated in a space of the space formation part and expanding when heated to a predetermined temperature to be retained state having heat insulating properties between the seat plate 21 and the lock device 29.SELECTED DRAWING: Figure 5
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Inventors:
Masahiro Watanabe
Application Number:
JP2016101653A
Publication Date:
August 12, 2020
Filing Date:
May 20, 2016
Export Citation:
Assignee:
Bunka Shutter Co., Ltd.
International Classes:
E06B9/17; A62C2/06; E06B9/80
Domestic Patent References:
| JP2014077324A | ||||
| JP2014080760A |
Foreign References:
| US20110036509 |
Attorney, Agent or Firm:
Norimitsu Nishimura
Noriyuki Suzuki
Noriyuki Suzuki