Process for heating glass sheets within a forced convection heat

Details Process for heating glass sheets within a forced convection heat Process for heating glass sheets within a forced convection heat

1996-12-19

1998-06-09

Chin, Peter

Glass manufacturing

Processes

Glass preform treating

65104, 65119, C03B 2508

Patent

active

057626774

ABSTRACT:
A forced convection heating apparatus and process for heating glass sheets therewithin. The apparatus includes at least one gas burner for producing hot combustion gases to be distributed toward and into contact with the top and/or bottom surfaces of a glass sheet within the apparatus housing. The temperature of the hot combustion gases which is distributed to the top surface of the glass sheet is adjustable independently of the temperature of the hot combustion gases being distributed to the bottom surface of the glass sheet to, in turn, enable independent control of convection heat transfer to both surfaces of the glass sheet.

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"Convective Heating of Flat Glass In Thermal Loading/Tempering Installations--Advantages and Possibilities", Carl Kramer and Guido Becker, Presented at GLASTECH 92, Schleden, Germany (no month avail.).
Article entitled, "Horizontal Toughening Design Features Convective Heating", report by Carl Kramer and Guido Becker, published in Glass International, Sep. 1993 issue.

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