SEISMIC ISOLATION APPARATUS
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United States of America Patent
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Issued Date -
Jul 9, 2015
app pub date -
Jun 11, 2013
filing date -
Sep 3, 2012
priority date (Note) -
Abandoned
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Abstract
A seismic isolation apparatus 1 includes an upper flange plate 2 which is connected to a superstructure; a lower flange plate 3 which is connected to a substructure; a laminated rubber body 7 which is provided between the upper flange plate 2 and the lower flange plate 3 and has rubber elastic material layers 4 and rigid material layers 5, both of which are alternately laminated in a vertical direction V; a columnar hole 8 provided in the laminated rubber body 7; and a vibrational energy absorbing body 9 disposed in the columnar hole 8.
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