Title:
DRAIN TRAP AND DEVICE FOR OPENING/CLOSING DRAIN TRAP
Document Type and Number:
WIPO Patent Application WO/2010/147322
Kind Code:
A3
Abstract:
Disclosed are a drain trap and a device for opening/closing a drain trap. The drain trap of the present invention comprises: a first inlet pipe for guiding waste water flowing from a first direction to drain downward; a second inlet pipe for guiding waste water flowing from a second direction to drain downward; and a drain body unit through which waste water flowing from the first and second directions passes before being drained into a sewage system, wherein the diameter of the second inlet pipe increases in a stepwise manner towards the drain body unit. The device for opening/closing a drain trap of the present invention comprises: a drain pipe for guiding waste water flowing from an upper side to drain downward; an opening/closing plate which is coupled with an outlet of the drain pipe, and which is opened by the weight of waste water which is discharged via the outlet; and a recovery member which is coupled with the opening/closing plate and allows the opening/closing plate to close the outlet when the weight of waste water is relieved. The present invention provides a drain trap in which transfer pipes of various sizes can be coupled with each other, and a device for opening/closing a drain trap for preventing seepage of sewer odor indoors.
Inventors:
KIM KI SUNG (KR)
Application Number:
PCT/KR2010/003571
Publication Date:
March 31, 2011
Filing Date:
June 03, 2010
Export Citation:
Assignee:
KIM KI SUNG (KR)
International Classes:
E03C1/28; E03C1/288; F16K15/00
Foreign References:
| KR200403172Y1 | 2005-12-08 | |||
| KR200388690Y1 | 2005-07-01 | |||
| JP2001214485A | 2001-08-07 | |||
| US4246664A | 1981-01-27 |
Attorney, Agent or Firm:
MAC PATENT & LAW FIRM (#15-3 Yangjae-dong, Seocho-gu, Seoul 137-130, KR)
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