Floor slab penetration structure and floor slab penetration hole repair method
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United States of America Patent
Stats
-
Jul 31, 2012
Grant Date -
Feb 3, 2011
app pub date -
Mar 23, 2009
filing date -
Mar 26, 2008
priority date (Note) -
In Force
status (Latency Note)
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Abstract
As a temporary drainage equipment, a penetration hole is formed to a floor slab of a building under construction, the penetration hole is provided with a substantially cylindrical funnel portion opened to a floor surface of a room, a connection pipe is communicated to a bottom portion of the funnel portion, and a hose guide pipe is inserted to the lower end portion of the connection pipe. An inner flange portion is provided to the lower end portion of the hose guide pipe so as to be flush with a ceiling surface of the downfloor room.
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Cited Art Landscape
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