ANNEALING APPARATUS AND METHOD FOR FLOAT GLASS
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United States of America Patent
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app pub date -
May 29, 2014
filing date -
May 31, 2010
priority date (Note) -
Abandoned
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Abstract
An annealing apparatus for a float glass continuously anneals a glass ribbon molded in a float bath. The annealing apparatus includes a lehr housing having an inlet and an outlet for the glass ribbon, a plurality of lehr rolls rotatably installed to the lehr housing in a width direction of the lehr housing, and labyrinth seals installed between the lehr rolls and sidewalls of the lehr housing, respectively, to prevent sulfurous acid gas supplied into the lehr housing from discharging out.
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