Title:
DRAIN CONNECTION PIPE
Document Type and Number:
Japanese Patent JP2020148021
Kind Code:
A
Abstract:
To provide a drain connection pipe for suppressing the filling of drain water in a drain flow path from a Western style toilet bowl in a renovated toilet bowl structure in which a Western style toilet bowl is installed using an existing Japanese style toilet bowl, and also suppressing the running out of sealing water in the Western style toil bowl.SOLUTION: A drain connection pipe 5 for connecting a drain port of the Western style toilet bowl installed using the existing Japanese style toilet bowl to a drain port of the Japanese style toil bowl, includes an upstream side vertical pipe part 31 to be connected at its upper side to the drain port of the Western style toilet bowl, and a horizontal pipe part 32 provided on the downstream side of the upstream side vertical pipe part 31 to form a right angle shaped upstream side bent part 38 together with the upstream side vertical pipe part 31, the horizontal pipe part 32 having a swollen portion 50 on the upstream side, of which the flow path cross section facing the internal of the flow path of the upstream side bent part 38 is expanded to the upper side.SELECTED DRAWING: Figure 4
Inventors:
KIMURA TOMOYUKI
Application Number:
JP2019046917A
Publication Date:
September 17, 2020
Filing Date:
March 14, 2019
Export Citation:
Assignee:
TOTO LTD
International Classes:
E03D11/16; E03C1/12; F16L43/00
Domestic Patent References:
| JP2010133201A | 2010-06-17 | |||
| JP2001059256A | 2001-03-06 | |||
| JP2017101556A | 2017-06-08 |
Attorney, Agent or Firm:
Kenichiro Matsuo
Yasuo Ichikawa
Yasuo Ichikawa