Process and system for fining glass
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United States of America Patent
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Jan 6, 2015
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N/A
app pub date -
Nov 4, 2008
filing date -
Nov 8, 2007
priority date (Note) -
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Abstract
A glass making process comprising a step of fining the molten glass in a fining vessel comprising a top wall portion not in direct contact with the molten glass, and a side wall portion in direct contact with the molten glass, wherein the top wall portion has a temperature T(top), the side wall portion has a temperature T(side), and T(top)−T(side)≦10° C., and a glass fining system. The invention is particularly useful for glass fining systems comprising a metal fining vessel made of precious metals such as Pt and/or Pt—Rh alloys.
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