Title:
通気一体型継手
Document Type and Number:
Japanese Patent JP6779003
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a compact ventilation-integrated joint installed between a vertical drain pipe and a horizontal pipe, capable of reducing negative pressure in draining time, capable of smoothly draining water while preventing clogging by securing a flow by a swirling flow in draining time even in the case of the pipe having risk of reducing carrying force, and capable of surely preventing reduction and stopping of the valve function by a backflow of drain water.SOLUTION: A ventilation-integrated joint comprises a vertical drain pipe connection part 24 and a horizontal pipe connection part 27 provided in an eccentric position to the axis P of this vertical drain pipe connection part 24, and ventilates in draining time via a vent valve part 40 provided on the inside of a joint body 20. The vent valve part 40 normally holds a closing state without projecting from the upper end of the joint body 20, and when the joint body 20 becomes negative pressure, a valve element 31 of the vent valve part 40 is openably driven to the inner side of the joint body 20. A shielding part 50 is provided for shielding a bore hole 52 formed in a valve stem storage part 41 provided in the vent valve part 40.SELECTED DRAWING: Figure 1
Inventors:
Suzuki Satoshi
Application Number:
JP2015214831A
Publication Date:
November 04, 2020
Filing Date:
October 30, 2015
Export Citation:
Assignee:
KITZ CORPORATION
International Classes:
E03C1/12; E03C1/122; F16K24/06
Domestic Patent References:
| JP2013024010A | ||||
| JP2004100802A | ||||
| JP2014074483A | ||||
| JP2012013097A | ||||
| JP2010024618A | ||||
| JP2001140313A |
Attorney, Agent or Firm:
Tetsuo Kobayashi