Title:
空気抜き排水管カバー及び雨水排水システム
Document Type and Number:
Japanese Patent JP6798807
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide an air bleeder drain pipe cover for improving drainage capacity of rainwater by discharging air in a drain pipe.SOLUTION: An air bleeder drain pipe cover comprises a cylindrical upper side connection part 40 connected to a lower part of a down-pipe and a cylindrical lower side connection part 60 provided under the upper side connection part and connecting a lower end part to an upper end part of a bent pipe, and the lower side connection part comprises a cylindrical peripheral wall part 62, and the upper side connection part comprises a cylindrical cover part 44 for covering the periphery of the peripheral wall part, and is formed of the peripheral wall part and the cover part, and comprises an air deriving passage 63a constituted of the cylindrical inside of the upper side connection part and the cylindrical inside of the lower side connection part and deriving air to the outside of a rainwater flow passage from the rainwater flow passage of making rainwater flow down in normal time and an air discharge passage 63b for discharging the air derived by the air deriving passage from a lower part of the cover part.SELECTED DRAWING: Figure 8
Inventors:
Satoshi Takayanagi
Application Number:
JP2016132270A
Publication Date:
December 09, 2020
Filing Date:
July 04, 2016
Export Citation:
Assignee:
Sekisui Chemical Co.,Ltd.
International Classes:
E04D13/064
Domestic Patent References:
| JP4030628U | ||||
| JP2008144532A | ||||
| JP2013002144A | ||||
| JP2012193583A | ||||
| JP2004251075A |
Foreign References:
| US4798028 |
Attorney, Agent or Firm:
Yoshihiro Fujimoto
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