Title:
PARTITION WALL
Document Type and Number:
WIPO Patent Application WO/2020/070938
Kind Code:
A1
Abstract:
Provided is a partition wall which uses as small as possible as number of fire resistant cover materials, thereby making the partition wall easily workable, and in which the leakage of hot air from lateral joints are effectively prevented to make the partition wall highly fire resistant. A partition wall 100 has: a plurality of intermediate columns 10; and a pair of walls sandwiching the plurality of intermediate columns 10 and having a first wall 30A and a second wall 30B, which are formed by vertically and horizontally arranging a plurality of plasterboards 20. Each of the first wall 30A and the second wall 30B is a single-layer wall comprising a plurality of plasterboards 20. The first wall 30A and the second wall 30B have longitudinal joints 60 and lateral joints 70, and the intermediate columns 10 are present on the rear surfaces of the longitudinal joints 60. Joint base materials 40 which have a T-shaped lateral cross-sectional shape, have rear surface pieces 41, have protrusion pieces 42 protruding in the thickness direction of plasterboards 20, and have flame shielding properties are provided at the lateral joints 70. The plasterboards 20, the joint base materials 40, and the intermediate columns 10 are not fastened by common screws 50.
Inventors:
OHUCHI WATARU (JP)
YAMAKATA KOUJI (JP)
ICHINO YUSUKE (JP)
HATAKEYAMA SHUNICHI (JP)
YAMAKATA KOUJI (JP)
ICHINO YUSUKE (JP)
HATAKEYAMA SHUNICHI (JP)
Application Number:
PCT/JP2019/026625
Publication Date:
April 09, 2020
Filing Date:
July 04, 2019
Export Citation:
Assignee:
YOSHINO GYPSUM CO (JP)
International Classes:
E04B2/74; E04B1/94
Foreign References:
| JP2018091123A | 2018-06-14 | |||
| JP2000297492A | 2000-10-24 | |||
| JP2012144962A | 2012-08-02 |
Other References:
EASY WALL 25'' CATALOG, April 2018 (2018-04-01)
Attorney, Agent or Firm:
ITOH, Tadashige et al. (JP)
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