Method for eliminating carbon contamination of platinum-containing components for a glass making apparatus
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United States of America Patent
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Dec 24, 2013
Grant Date -
Mar 29, 2012
app pub date -
Mar 29, 2011
filing date -
Aug 30, 2010
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Abstract
In the formation of sheet material from molten glass, molten glass is formed in a melting furnace and transported through a precious metal delivery system to the forming apparatus. Disclosed herein is a method to mitigate carbon contamination of individual components of the precious metal delivery system prior to and/or during their use. The method involves positioning an oxygen generating material within portions of a precious metal component, and may comprise one or more heat treating steps of the component in an oxygen-containing atmosphere.
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