SEALING TYPE SCREEN DOOR DEVICE
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United States of America Patent
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Issued Date -
Dec 18, 2014
app pub date -
Dec 15, 2011
filing date -
Sep 30, 2011
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The present invention relates to a sealing type screen door device, wherein a screen door is provided so as to be encompassed by a door of a train entering a station building, and an adsorption means is provided at the screen door so as to allow the screen door to be completely sealed and fixed to the body of the train, thereby completely blocking a change in air pressure (pressure wave) generated by the entering of the train so as to prevent the inflow of pressure waves into the station building. According to the present invention, the screen door device comprises: a sliding unit provided at a screen so as to cover a screen door; and an adsorption unit provided at the sliding unit so as to be adsorbed on an outer surface of a train.
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