Electric resistance heating devices – Heating devices – Radiant heater
Reexamination Certificate
2006-07-25
2006-07-25
Pelham, Joseph (Department: 3742)
Electric resistance heating devices
Heating devices
Radiant heater
C219S388000, C219S411000, C065S103000, C065S114000, C065S104000
Reexamination Certificate
active
07082260
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. A ceramic (e.g., aluminosilicate) filter or baffle may be used in certain embodiments in order to reduce the amount of mid-IR and/or far-IR radiation reaching the glass to be tempered and/or bent.
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Heyen Andre
Longobardo Anthony V.
Neuman George
Prone Daniel F.
Centre Luxembourgeois de Recherches pour le Verre et la Ceramiqu
Guardian Industries Corp.
Nixon & Vanderhye P.C.
Pelham Joseph
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