Title:
DRAINAGE DEVICE
Document Type and Number:
Japanese Patent JP2018119327
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a drainage device which can more securely prevent flooding of bubbles out of an overflow port and can improve sanitation and comfort in use.SOLUTION: A drainage device 1 comprises an overflow pipe 5 that is disposed from an overflow port 31B provided on a peripheral wall portion 103 of a washbasin 100 to a pipe 28 through which waste water passing a discharge port 102 of the washbasin 100 flows, and that guides water flowing through the overflow port 31B to the pipe 28. The drainage device 1 includes a predetermined blocking wall portion 41A, and a blocking mechanism 41 in which the blocking wall portion 41A is made to be in a proximity state or a contact state to a predetermined blocking object portion 5A, to be able to block a water channel in the overflow pipe 5. Thus, movement of bubbles to the overflow port 31B can be prevented effectively.SELECTED DRAWING: Figure 1
Inventors:
OTA SHINICHI
KITAGAWA KOHEI
KITAGAWA KOHEI
Application Number:
JP2017011887A
Publication Date:
August 02, 2018
Filing Date:
January 26, 2017
Export Citation:
Assignee:
NIPPON ALPHA KK
International Classes:
E03C1/22; A47K1/14; E03C1/23; E03C1/24
Attorney, Agent or Firm:
Mitsuo Kawaguchi