Title:
RAIL COVER FOR BLOCKING FINE DUST
Document Type and Number:
WIPO Patent Application WO/2020/166884
Kind Code:
A1
Abstract:
A rail cover for blocking fine dust according to one aspect of the present invention may comprise: a cover for surrounding rails of a double window provided with window frames on the indoor and outdoor sides, respectively; a tube which is inserted into the inside of the cover and intakes and discharges air; and a pump which is coupled to the tube and blocks fine dust by discharging, in the outdoor side, the air intaken from the indoor side by means of a solar charging device and external power.
Inventors:
LEE CHANG GOOK (KR)
Application Number:
PCT/KR2020/001713
Publication Date:
August 20, 2020
Filing Date:
February 06, 2020
Export Citation:
Assignee:
LEE CHANG GOOK (KR)
International Classes:
E06B7/28; F04B35/04
Foreign References:
| US6210267B1 | 2001-04-03 | |||
| KR20070078667A | 2007-08-01 | |||
| KR200387105Y1 | 2005-06-17 | |||
| JP2012122203A | 2012-06-28 | |||
| JP2001003659A | 2001-01-09 |
Attorney, Agent or Firm:
PATENT LAW FIRM GRAND KOREA (KR)
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