Title:
SEALED DRAINAGE CHANNEL COVER
Document Type and Number:
WIPO Patent Application WO/2010/104260
Kind Code:
A1
Abstract:
The present invention relates to a sealed drainage channel cover, and more specifically to a drainage channel cover which is provided on the upper part of a drainage channel so as to be able to seal the upper part of the drainage channel during normal times and only to open and allow the smooth drainage of water during times when there is rainwater; being a sealed drainage channel cover characterised in that, during normal times, the drainage channel cover seals the upper part of the drainage channel by means of an opening and shutting member which rotates due to a hinge part, whereas, during times when there is rainwater, the opening and shutting member opens by means of a floating means positioned on the lower part of the opening and shutting member.
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Inventors:
OH WOONG BAE (KR)
Application Number:
PCT/KR2009/006662
Publication Date:
September 16, 2010
Filing Date:
November 13, 2009
Export Citation:
Assignee:
WOOCHANG GRATING CO LTD (KR)
OH WOONG BAE (KR)
OH WOONG BAE (KR)
International Classes:
E03F5/14; E03F5/04
Foreign References:
| JP2001220765A | 2001-08-17 | |||
| KR200427257Y1 | 2006-09-22 | |||
| KR100741695B1 | 2007-07-23 | |||
| KR20080006707A | 2008-01-17 | |||
| KR100700019B1 | 2007-03-26 |
Attorney, Agent or Firm:
L&K PATNET FIRM (KR)
특허법인 엘엔케이 (KR)
특허법인 엘엔케이 (KR)
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