Gasholder sealing member and gasholder sealing structure
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United States of America Patent
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Dec 18, 2018
Grant Date -
Oct 1, 2015
app pub date -
Oct 23, 2013
filing date -
Nov 2, 2012
priority date (Note) -
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Abstract
In a cylindrically-formed gasholder sealing member interposed between an inner circumferential surface of a tank constituting a gasholder and an outer edge of a shock-absorbing member that rises and falls within the tank along with a movable piston that rises and falls within the tank at an outer circumferential side of the movable piston, both surfaces of at least a tank-ward end, out of a tank-ward end on a side anchored to the inner circumferential surface of the tank and a shock-absorbing member-ward end on a side anchored to the outer edge of the shock-absorbing member, are covered by ethylene propylene diene rubber, and a portion other than the tank-ward end and the shock-absorbing member-ward end is not covered by ethylene propylene diene rubber.
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