Title:
天井下地構造
Document Type and Number:
Japanese Patent JP7093178
Kind Code:
B2
Abstract:
To provide a ceiling substrate structure drastically improving connection strength with a connection member of a ceiling frame side at a lower end of a brace member.MEANS FOR SOLVING THE PROBLEM: Ceiling frames consisting of ceiling joists made of square steel tubes and the square steel tubes on which the ceiling joists are attached are formed by integrating each other at vertically crossed parts of the ceiling joists and ceiling joist receiving parts with predetermined joint metal fittings through combining those ceiling joists and ceiling joist receiving parts in a grating configuration, and are suspended from a building structure by connecting the ceiling joist receiving parts of the ceiling frames through suspending metal fittings with lower ends of suspending bolts as well as connecting lower ends of brace members on reinforcement steel tubes by arranging the reinforcement steel tubes made of square steel tubes with large thickness at the side of connection parts of the brace members of ceiling frame sides in a ceiling substrate structure arranged with the brace members between upper ends of the suspending bolts and the ceiling frames.SELECTED DRAWING: Figure 7
Inventors:
Kimiaki Sato
Application Number:
JP2017237888A
Publication Date:
June 29, 2022
Filing Date:
December 12, 2017
Export Citation:
Assignee:
Sato Type Steel Mfg. Co., Ltd.
International Classes:
E04B9/18
Domestic Patent References:
| JP2017122388A | ||||
| JP2016169558A | ||||
| JP2014080803A | ||||
| JP2013181342A | ||||
| JP2015017390A |
Attorney, Agent or Firm:
Koji Shirakawa