Process and apparatus for producing flat glass
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United States of America Patent
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Mar 29, 2011
Grant Date -
May 22, 2008
app pub date -
Oct 26, 2007
filing date -
Jun 24, 2002
priority date (Note) -
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Abstract
The present invention relates to production of a flat glass, which can improve the surface smoothness of a flat glass in the moving direction and which prevents formation of stripes on the flat glass. A fixed bed 15 comprising a plurality of supports 12 arranged in such a state that they will not move at least in a direction in parallel with the moving direction of a glass ribbon 13, and having grooves 12B to let loose the steam generated by vaporization of a steam film forming agent formed between the respective supports 12, is used, and the amount of the steam let loose from the grooves is adjusted in accordance with the glass temperature distribution in the moving direction of the glass ribbon 13 which moves on the fixed bed 15.
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