Title:
排水配管
Document Type and Number:
Japanese Patent JP6682065
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide drain piping forming an overflow mechanism with an overflow hole not installed in a tank wall surface and capable of being attached to equipment which cannot adopt a conventional drain piping due to structural or design reasons.SOLUTION: In drain piping, a drain flow passage 1 comprises a first drain flow passage having a water cut-off valve 17 and a second drain flow passage branching from the upstream side of the water cut-off valve 17 and having the water amount control valve 10. The water cut-off valve 17 can store water discharge and others in a tank B by blocking the first drain flow passage, and the water amount control valve 10 opens the second drain flow passage when the water level in the tank B is at a constant level or above.SELECTED DRAWING: Figure 3
Inventors:
To Ki Tsuyoshi
Yoshinori Hirai
Daisuke Hattori
Fujita Genki
Yoshinori Hirai
Daisuke Hattori
Fujita Genki
Application Number:
JP2015085296A
Publication Date:
April 15, 2020
Filing Date:
April 17, 2015
Export Citation:
Assignee:
Maruichi Co., Ltd.
International Classes:
E03C1/22; E03C1/12; E03C1/232
Domestic Patent References:
| JP52045529U | ||||
| JP2013117154A | ||||
| JP2012102576A |