Gasket for sealing valve or pipe, determination method of deterioration and damages of gasket, and high-pressure gas supplying equipment
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United States of America Patent
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Dec 3, 2013
Grant Date -
Aug 13, 2009
app pub date -
May 30, 2007
filing date -
Jun 20, 2006
priority date (Note) -
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Abstract
A gasket according to the present invention is for sealing a valve or pipe used in a high-pressure gas supplying equipment, which is comprised of a polymer material containing magnetic particles. Also, in a determination method of deterioration and damages of a gasket according to the present invention, the aforementioned gasket is used as the gasket for sealing a valve or pipe in a high-pressure gas supplying equipment, and the magnetic force of the gasket is measured to determine the deterioration and the damages of the gasket.
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