Title:
THERMAL-BREAK TYPE ALUMINUM-ALLOY FIRE-PROOF WINDOW
Document Type and Number:
Japanese Patent JP2023171335
Kind Code:
A
Abstract:
To provide a thermal-break type aluminum-alloy fire-proof window excellent in fire resistance performance.SOLUTION: A thermal-break aluminum-alloy fire-proof window includes a window frame, a sash, and a glass, in which the window frame and the sash are each provided with an opening for attaching the glass, the window frame includes a window frame indoor shape member, a window frame outdoor shape member, and a window frame heat insulation bridge for connecting the window frame indoor shape member and the window frame outdoor shape member, the sash includes a sash indoor shape member, a sash outdoor shape member, and a sash heat insulation bridge for connecting the sash indoor shape member and the sash outdoor shape member, a glass inner edge sealing member is provided between the inner edge of the glass and the opening, a first thermal expansion fire prevention sheet is provided on the side of the glass inner edge sealing member facing the glass, a second thermal expansion fire prevention sheet is provided on the sash heat insulation bridge, and a third thermal expansion fire prevention sheet is provided on the window frame heat insulation bridge.SELECTED DRAWING: Figure 2
Inventors:
LU LIN
ZHUJIA WANGWEI
ZHUJIA WANGWEI
Application Number:
JP2023081864A
Publication Date:
December 01, 2023
Filing Date:
May 17, 2023
Export Citation:
Assignee:
YKK ARCHITECTURAL
International Classes:
E06B5/16; E06B1/18; E06B3/263
Attorney, Agent or Firm:
Sakai International Patent Office
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