サイフォン雨樋システム

Japanese Patent JP7060391

B2

To make it easier to obtain a sufficient drainage capacity by siphon phenomenon.SOLUTION: A funnel 16 comprises a body part 17 extending in the horizontal direction and having ends connected with an eaves gutter 11, a suspended cylinder part 18 extending downward from a chute 24a formed in a bottom wall part 24 of the body part 17, and a net member 50 overlapping with the chute 24a in a plan view of the body part 17. The suspended cylinder part 18 comprises a large diameter part 19 connected to the opening peripheral part of the chute 24a in the bottom wall part 24, a diameter reduced part 20 connected to the lower end of the large diameter part 19 and whose diameter is reduced downward, a small diameter part 21 connected to the lower end of the diameter reduced part 20, a first connection part 29 for connecting the large diameter part 19 with the diameter reduced part 20, and a second connection part 30 for connecting the diameter reduced part 20 with the small diameter part 21. The second connection part 30 is formed in a curve shape projecting to the inside of the radial direction of the suspended cylinder part 18, in a longitudinal section S1 including the axis line of the suspended cylinder part 18, and the opening ratio of the net member 50 in a plan view is 50% or more and 99% or less.SELECTED DRAWING: Figure 2

Mototaka
Shinji Teraji
Masanari Tanaka

JP2018023365A

April 26, 2022

February 13, 2018

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Sekisui Chemical Co.,Ltd.

E04D13/068; E04D13/08

JP2010013843A

CN202248580U

Kazuzumi Nishizawa
Yuichiro Kawagoe
Makiko Otsuki
Hiroshi Yamaguchi

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