PARTITION PLATE AND SIDE PLATE FOR RAINWATER STORAGE/PERMEATION FACILITY, STRUCTURE FOR RAINWATER STORAGE/PERMEATION FACILITY, AND RAINWATER STORAGE/PERMEATION FACILITY

WIPO Patent Application WO/2021/166055

A1

[Problem] To further reduce the weight of a rainwater storage/permeation facility to improve the earthquake resistance and workability, and to reduce the manufacturing and installation costs. [Solution] A partition plate 2 for a rainwater storage/permeation facility, the partition plate comprising: a rectangular surface plate 2a; a frame 2b having four sides that surround the surface plate; a rounded hexagonal opening (first opening) 2c that is present in the center of the surface plate; edges 2e of the opening that respectively oppose the corners of the frame; and ribs (first ribs) 2g that are each interposed between a pair of sides 2f that sandwich the corner. The partition plate may also comprise: second ribs 2h that are each interposed between the corner of the frame and the first rib; and second openings 2i that are smaller than the first opening and that are each provided in a portion of the surface plate surrounded by the second rib, the frame, and the first rib. The partition plate may further comprise third openings 2j that are smaller than the second openings and that are each provided in a portion of the surface plate surrounded by the frame, the edges of the first opening, and the first ribs.

TORIGOE MASAKI (JP)
KITAHARA TOMOKO (JP)

PCT/JP2020/006151

August 26, 2021

February 18, 2020

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EBATA CORP (JP)

E03F1/00

WO2010041297A1	2010-04-15
WO2017214664A1	2017-12-21

JP2005133376A	2005-05-26
JP4526317B2	2010-08-18
JP2008082007A	2008-04-10

NAKAI Jun (JP)

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