LARGE-OPENING SASH

WIPO Patent Application WO/2017/110473

A1

[Problem] To impart high airtightness and water-tightness to a large-opening sash. [Solution] A large-opening sash is provided with: a four-sided frame 15 which is installed in a window opening portion of a building, and which is provided with a lower frame 11, an upper frame 12, and a pair of vertical frames 13, 14; a plurality of door wheels 31 rotatably disposed in the lower frame 11; a flat sheet-like cover material 32 covering the door wheels 31; a plurality of opening portions 33 for permitting protrusion of an upper end portion of the door wheels 31; an externally sliding screen 16 mounted on the cover material 32 in a reciprocally movable manner; a first gap closing material 41 which is disposed on the four-sided frame 15 side, and which is in contact with an outer surface peripheral portion of the externally sliding screen 16; and a second gap closing material 43 in contact with an inner surface peripheral portion, wherein the second gap closing material 43 is configured from a rubber material having flexibility.

NAKAMURA NAOKI (JP)
SHIMIZU CHIAKI (JP)

PCT/JP2016/086359

June 29, 2017

December 07, 2016

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WATAHAN SOLUTIONS CO LTD (JP)

E06B1/22; E05D15/06; E06B1/04; E06B1/18; E06B1/34; E06B3/46; E06B3/70; E06B7/22; E06B7/26

WO2010024703A1

2010-03-04

JPS5433724Y2	1979-10-17
JPS54183950U	1979-12-27
JPS5885075U	1983-06-09
JPS641427Y2	1989-01-12
JP2002349143A	2002-12-04
JP2014109090A	2014-06-12
JPS5723668Y2	1982-05-22
US20060000146A1	2006-01-05
CH445087A	1967-10-15
EP2093364A1	2009-08-26

OKUDA Hiroyuki et al. (JP)

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