FLOOR JOIST AND FLOOR STRUCTURE

Japanese Patent JP2017002635

A

PROBLEM TO BE SOLVED: To provide a floor joist and a floor structure using the same, capable of improving soundproof performance, and also easy in a length adjustment, without heightening a height up to a floor surface from a floor backing.SOLUTION: A board 41 and a floor finishing material 42 are supported by a floor joist 30 arranged-installed in a plurality on a floor backing 20. The floor joist 30 comprises a long plate-like lower plate 31 fastened by a machine screw to the floor backing 20, a long plate-like upper plate 32 for fastening the board 41 by the machine screw and a cushion material layer 33 laid on the lower plate 31 and the upper plate 32 and provided over the total length between the lower plate 31 and the upper plate 32. The lower plate 31 and the upper plate 32 provide a floor structure formed of one or more selected from a wooden plate, resin, resin wood, a calcium silicate board and a gypsum board, and also provide the floor joist 30 being wider in a width in the lower plate 31 than the upper plate 32 in the above-mentioned floor joist 30.SELECTED DRAWING: Figure 1

TANAKA KENJI
MATSUSHITA MINORU
WATABE KAZUYOSHI
SAKUMA TOSHIAKI
OGAWA KIMPEI
MIYAGAWA NAOTERU

JP2015119513A

January 05, 2017

June 12, 2015

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SHIZUOKA REKISEI KOGYO KK
ASAHI KASEI HOMES CO
SEKISUI POLYMATECH CO LTD
KOSHO:KK

E04F15/00

JPS62117952A	1987-05-29
JPH03123038U	1991-12-16
JP2012077600A	2012-04-19
JPH0610475U	1994-02-10
JPH06229101A	1994-08-16
JPH08128177A	1996-05-21
JP2012107378A	2012-06-07
JPH0882080A	1996-03-26

Masatake Shiga
Tadashi Takahashi
Suzuki Mitsuyoshi

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