Method for removing bubbles from molten glass and process for producing glass
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United States of America Patent
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Feb 7, 2012
Grant Date -
May 7, 2009
app pub date -
Nov 6, 2008
filing date -
May 11, 2006
priority date (Note) -
Expired
status (Latency Note)
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Abstract
It is an object of the present invention to provide a method and apparatus for efficiently remove bubbles present on a surface of molten glass, which can solve a problem that bubbles remaining on a surface of molten glass are get inside at a time of forming the glass to cause inside bubbles, to thereby provide a glass substrate of good quality, and which can improve productivity of glass substrates; and to provide a process for producing glass employing the above method for removing bubbles. The present invention provides a method for removing bubbles from molten glass, which is a method for removing floating bubbles on a surface of molten glass, wherein a floating bubble on the surface of molten glass is irradiated with at least one laser beam.
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