Gasket with high temperature coating
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United States of America Patent
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Nov 8, 2016
Grant Date -
Aug 7, 2014
app pub date -
Feb 7, 2014
filing date -
Feb 7, 2013
priority date (Note) -
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Abstract
A method of making a gasket having a high temperature coating that includes obtaining a substrate formed from a metallic material and having the shape of a gasket, applying a nanoparticle suspension over the outer surfaces of the substrate, and heating the substrate to a first elevated temperature to form an undercoat layer of a self-protective oxide coating. The method also includes applying a liquid comprising boron nitride over the undercoat layer and drying the boron nitride liquid at a second elevated temperature to form an overcoat layer.
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