Apparatus and method for bending and/or tempering glass

Details Apparatus and method for bending and/or tempering glass Apparatus and method for bending and/or tempering glass

2007-06-19

2007-06-19

Griffin, Steven P. (Department: 1731)

Glass manufacturing

Processes

Reshaping or surface deformation of glass preform

C065S273000, C065S288000, C065S268000, C065S060200, C065S106000, C065S107000, C065S104000, C065S114000, C392S408000

Reexamination Certificate

active

10101516

ABSTRACT:
An apparatus and method for bending and/or tempering glass substrate(s) are provided. The amount of near-IR radiation which reaches the glass to be bent and/or tempered is limited (e.g., via filtering or any other suitable technique). Thus, the IR radiation (used for heating the glass) which reaches the glass to be bent and/or tempered includes mostly mid-IR and/or far-IR radiation, and not much near-IR. In such a manner, coating(s) provided on the glass can be protected and kept at lower temperatures so as to be less likely to be damaged during the bending and/or tempering process. Heating efficiency can be improved.

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