Title:
建具
Document Type and Number:
Japanese Patent JP7301006
Kind Code:
B2
Abstract:
To improve fire resistance and strength for a sash with multiple windows placed across a vertical material.SOLUTION: A fixture comprises a frame body, a sash installed in an inner periphery of the frame body, and an operator who opens and closes the sash, where the sash has a reinforcing member extending over almost the entire width of the depth surface of a stile, and is supported with a rotation shaft installed between a bottom rail and a bottom rail of the frame body in a freely open and close manner, the operator has a wire that communicates between a door head of the frame body and the top rail of the sash and maintains the sash that rotates in the open direction around the rotation shaft in the closed state, the vertical frame of the frame body has a depth wall and a front wall facing the front surface of the vertical frame of the sash, a heating expansion material facing the front surface of the sash is arranged in the front wall, and a heating expansion material expanded by heating is disposed in at least an upper part of the inner peripheral surface on the open side of the depth wall in a depth direction.SELECTED DRAWING: Figure 4
Inventors:
Satoshi Mimuro
Masayoshi Yamada
Masayoshi Yamada
Application Number:
JP2020007158A
Publication Date:
June 30, 2023
Filing Date:
January 20, 2020
Export Citation:
Assignee:
Sankyo Tateyama Co., Ltd.
International Classes:
E06B5/16; E05F11/04; E06B3/38
Domestic Patent References:
| JP2014074316A | ||||
| JP2018127792A | ||||
| JP2016061020A | ||||
| JP2019218789A | ||||
| JP5078890U | ||||
| JP2020063652A |
Attorney, Agent or Firm:
Yasushi Miyazaki
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