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Title:
POSITIVE AND NEGATIVE PRESSURE RELAXATION DEVICE FOR DRAIN FACILITY SYSTEM, AND BUILT-IN KITCHEN USING THE SAME
Document Type and Number:
Japanese Patent JP2009057780
Kind Code:
A
Abstract:

To provide a positive and negative pressure relaxation device for a drain facility system, which can smoothly drain water even if the drain facility system has a trap structures on an upstream side and a downstream side, by relaxing positive and negative pressures in a drain pipe between the traps, and imparts high functionality to the traps while maintaining the smooth draining performance, to thereby achieve the drain facility system of various modes.

The drain facility system 1 has the upstream-side trap 3 structure formed in a drain facility 2, and the downstream-side trap 9 structure located at an intermediate location of the drain pipe 8. The positive and negative pressure relaxation device for the drain facility system has a positive and negative pressure relaxation mechanism 11 for relaxing the positive and negative pressures in the drain pipe 8 in the upstream-side trap 3 structure.


Inventors:
KAWASAKI KOICHI
Application Number:
JP2007000227413
Publication Date:
March 19, 2009
Filing Date:
September 03, 2007
Export Citation:
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Assignee:
KITZ CORP
International Classes:
E03C1/122; E03C1/28
Domestic Patent References:
JP2008163634A2008-07-17
JPH08226153A1996-09-03
JP2001140313A2001-05-22
JPH0642018A1994-02-15
JP2003082722A2003-03-19
JPH03158533A1991-07-08
Attorney, Agent or Firm:
小林 哲男