Title:
DOUBLE SASH
Document Type and Number:
Japanese Patent JP2019116765
Kind Code:
A
Abstract:
To provide a double sash that can prevent a sliding door of an inner window from slipping out when negative pressure is generated.SOLUTION: A double sash is installed in an opening of a building and is the double sash that has an outer window and an inner window 4. In the outer window, air can circulate from the indoor side to the outdoor side when pressure from the indoor side to the outdoor side is generated. The inner window 4 has a frame body constituted by assembling an upper frame 41, a lower frame and left and right vertical frames with each other, and an outer sliding door 50A and an inner sliding door 50B arranged to be slidable in the longitudinal direction in the frame body. The upper frame 41 is arranged to have a space at the lower part of the top edge in the opening. In the upper frame 41, in a closed state where the outer sliding door and the inner sliding door 50B are closed, ventilation holes 431A and 432A each communicating with the space are formed on the indoor side of the outer sliding door and the outdoor side of the inner sliding door 50B.SELECTED DRAWING: Figure 7
Inventors:
HIRAMATSU SEIJI
Application Number:
JP2017250975A
Publication Date:
July 18, 2019
Filing Date:
December 27, 2017
Export Citation:
Assignee:
LIXIL CORP
International Classes:
E06B7/10; E06B1/36
Domestic Patent References:
| JP2013209876A | 2013-10-10 | |||
| JPH0368292U | 1991-07-04 | |||
| JPS5592866U | 1980-06-27 | |||
| JP2014167212A | 2014-09-11 | |||
| JPH09152156A | 1997-06-10 | |||
| JPH04120887U | 1992-10-28 | |||
| JPS61102789U | 1986-06-30 |
Attorney, Agent or Firm:
Sumio Tanai
Suzuki Mitsuyoshi
Kenichi Kawabuchi
Yuichiro Shimizu
Suzuki Mitsuyoshi
Kenichi Kawabuchi
Yuichiro Shimizu