Title:
扉の機器取付部の防火構造
Document Type and Number:
Japanese Patent JP7089980
Kind Code:
B2
Abstract:
To provide a fireproof structure for a device attaching portion of a door, having a simple structure and capable of improving fireproof performance.SOLUTION: A fireproof structure for a device attaching portion of a door comprises indoor and outdoor installation devices 2, 3 installed on indoor and outdoor side wall surfaces of a door 1, a metallic back plate 4 fixed to at least one of the indoor and outdoor installation devices 2, 3, and wiring means 6 passing through a wiring opening 5 disposed on the back plate 4 and wiring the indoor and outdoor installation devices 2, 3 to each other. A metallic fire-blocking cap 9, which is opened ona bottom wall part, has a back wall 7 facing the wiring opening 5 at an appropriate interval and a peripheral wall 8 adjacent to the back wall 7, is attachably/detachably connected to the back plate 4.SELECTED DRAWING: Figure 2
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Inventors:
Nozomi Yoshimori
Application Number:
JP2018149428A
Publication Date:
June 23, 2022
Filing Date:
August 08, 2018
Export Citation:
Assignee:
Alpha Co., Ltd.
International Classes:
E06B5/16; A62C2/06; E05B49/00
Domestic Patent References:
| JP2011231595A | ||||
| JP2009228293A | ||||
| JP2017072002A |
Foreign References:
| KR200465836Y1 | ||||
| KR101114558B1 | ||||
| KR200452050Y1 | ||||
| DE102005034325A1 |
Attorney, Agent or Firm:
Masao Yamakawa