Title:
天井健全性評価機構及び天井構造
Document Type and Number:
Japanese Patent JP7228394
Kind Code:
B2
Abstract:
To provide a ceiling soundness evaluation mechanism and a ceiling structure capable of reliably evaluating the soundness of a ceiling of a building while simplifying the device configuration without requiring a power source and reducing the construction cost.SOLUTION: The ceiling soundness evaluation mechanism of the present invention comprises a light emitting portion 10 that emits light or colors by chemically reacting with a light emitting substance when receiving an external force, a mounting portion 20 that fixes the light emitting portion to a wall P or a ceiling Q, and a pressing portion 30 that is provided on a wall or ceiling and presses the light emitting portion to apply an external force to emit light or color when a relative displacement occurs between the wall and the ceiling.SELECTED DRAWING: Figure 1
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Inventors:
Naotaka Ikutomi
Rie Okazawa
Yuji Morii
Rie Okazawa
Yuji Morii
Application Number:
JP2019015525A
Publication Date:
February 24, 2023
Filing Date:
January 31, 2019
Export Citation:
Assignee:
Shimizu Construction Co., Ltd.
International Classes:
E04B9/00; G01M99/00; G08B21/10; G08B23/00
Domestic Patent References:
JP2012252460A | ||||
JP2009187367A | ||||
JP2018189578A |
Attorney, Agent or Firm:
Yasushi Matsunuma
Kenichi Kawabuchi
Kazuzumi Nishizawa
Kenichi Kawabuchi
Kazuzumi Nishizawa
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