CONSECUTIVE MOLDING METHOD FOR CRYSTALLIZED GLASS AND DEVICE THEREOF
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United States of America Patent
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Issued Date -
Nov 22, 2012
app pub date -
Mar 9, 2012
filing date -
May 16, 2011
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Abstract
A consecutive molding method for crystallized glass comprises: a process to obtain molten glass by melting glass raw materials; a process to obtain a band-shaped plate glass by roll forming the molten glass; a crystallization process to obtain a band-shaped crystallized glass plate by conducting thermal treatment on the band-shaped plate glass to crystallize it; and a process to cut the band-shaped crystallized glass plate, wherein the crystallization process includes: a process to form crystal nuclei in the band-shaped plate glass by disposing it in the atmosphere of a crystal nucleus-formation temperature and retaining it at the temperature; a process to raise the temperature of the band-shaped plate glass with crystal nuclei to a crystal-growth temperature; a process to retain the band-shaped plate glass with crystal nuclei at the crystal-growth temperature to produce a band-shaped crystallized glass plate; and a process to slowly cool down the band-shaped crystallized glass plate.
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