System for simultaneously heating and cooling glass

Details System for simultaneously heating and cooling glass System for simultaneously heating and cooling glass

2008-05-06

2008-05-06

Lopez, Carlos (Department: 1791)

Glass manufacturing

Product cooling means

With preceding reheater

C065S348000, C065S273000, C065S274000

Reexamination Certificate

active

07367205

ABSTRACT:
A system and method for heating, forming, and tempering a glass sheet includes pre-heating the glass sheet to at least a first predetermined temperature. The system and method includes also applying radio-frequency energy to the glass sheet to heat it to at least a second predetermined temperature and cooling at least one outer surface of the glass sheet to at least a third predetermined temperature to temper the glass sheet.

REFERENCES:
patent: 3545951 (1970-12-01), Nedelec
patent: 4900984 (1990-02-01), Iton et al.
patent: 5782947 (1998-07-01), Boaz
patent: 5827345 (1998-10-01), Boaz et al.
patent: 6000244 (1999-12-01), Boaz
patent: 6408649 (2002-06-01), Sklyarevich et al.
patent: 2002/0162610 (2002-11-01), Shrout et al.

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