Forced convection heating apparatus and process for heating glas

Glass manufacturing – Glassworking or preform by or with reheating means – Planar sheet preform

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432133, C03B 2908

Patent

active

056721919

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 which is to be distributed toward and into contact with the top and/or bottom surfaces of a glass sheet within the apparatus housing. The velocity of the distributed hot combustion gases which eventually impinges upon the top surface of the glass sheet is controllable independently of the impingement velocity of the hot combustion gases being distributed, and, in turn, directed toward and into contact with the bottom surface of the glass sheet.

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Article entitled, "Horizontal Toughening Design Features Convective Heating", report by Carl Kramer and Guido Becker, published in Glass International, Sep. 1993 issue.
"Convective Heating of Flat Glass in Thermal Loading/Tempering Installations--Advantages and Possibilities", Carl Kramer and Guido Becker, Presented at Glastech 92, Schleiden, Germany 1992.

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