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US 2016/0236960 A1Published application
Method for manufacturing float glass, and float glass
AssigneeAsahi Glass Company, Limited
InventorsShiro TANII, Takenori MIURA
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AssigneeAsahi Glass Company, Limited
InventorsShiro TANII, Takenori MIURA
Estimating the term…
The present invention provides a tin alloy bath for a float bath, an apparatus for manufacturing a float glass, a method for manufacturing a float glass that can provide a high quality float glass in which defects due to coagulation and falling of a volatile tin component have been suppressed, and a float glass manufactured using those. The above-mentioned tin alloy bath for a float bath is a molten metal bath to be placed in the float bath for supplying molten glass to a liquid surface of the molten metal bath, thereby forming into a glass ribbon, and includes 1 mass % or more of copper with the remainder being unavoidable impurities and tin.
A method for manufacturing a float glass, comprising:
A float glass wherein a concentration of copper at a depth of 30 μm on a surface side of the float glass, which has been in contact with a molten metal bath, is 5 mass ppm or more and 50 mass ppm or less, and a concentration of copper on an outermost surface on a surface side of the float glass, which has not been in contact with the molten metal bath, is 1 mass ppm or less.
Dependencies are inferred from the claim text.