Title:
DEVICE FOR BLOCKING SEWAGE AND ODOR BACKFLOW OF MANHOLE
Document Type and Number:
WIPO Patent Application WO/2024/085478
Kind Code:
A1
Abstract:
The present invention relates to a device for blocking the sewage and odor backflow of a manhole, the device being provided below a grating provided on a manhole or at the upper portion of a sewage/waste water catch basin so as to smoothly drain rainwater during rainfall and prevent the backflow of odor or sewage/waste water, and comprising: a body, which is positioned below the grating provided on the manhole, so as to be pressed and fixed by the weight of the grating; and a drain hole blocking member, that is larger than the drain hole, for blocking or opening a drain hole.
Inventors:
LEE SUN-OK (KR)
Application Number:
PCT/KR2023/014384
Publication Date:
April 25, 2024
Filing Date:
September 21, 2023
Export Citation:
Assignee:
GREENINNOTEK CO LTD (KR)
International Classes:
E03F5/06; E02D29/12; E03F5/02; E03F5/04
Foreign References:
| KR20210131713A | 2021-11-03 | |||
| KR20050118075A | 2005-12-15 | |||
| KR101860890B1 | 2018-05-24 | |||
| KR100813225B1 | 2008-03-13 | |||
| KR101034495B1 | 2011-05-17 | |||
| US5323804A | 1994-06-28 |
Attorney, Agent or Firm:
SHINSEGI PATENT LAW FIRM (KR)
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