Self-sealing fastener
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United States of America Patent
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Jun 30, 2015
Grant Date -
Jul 5, 2012
app pub date -
Nov 2, 2011
filing date -
Feb 20, 2007
priority date (Note) -
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Abstract
An apparatus for making and using a fastener suitable for use in airplane manufacture or repair that is coated with a pre-mixed moisture cure sealant. The sealant layer is coated with a frangible moisture barrier that will break apart when the fastener is installed, thus exposing the sealant to a moisture source. Once exposed to moisture, the sealant will begin to cure. Preferred embodiments also provide a premature cure indicator that provides a visual indication that the outer moisture resistant layer has been damaged.
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