The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Aug. 31, 2004

Filed:

May. 28, 2003
Applicant:
Inventors:

Troy R. Lewandowski, Maumee, OH (US);

Donivan M. Shetterly, Rudolph, OH (US);

Assignee:

Glasstech, Inc., Perrysburg, OH (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F27B 9/00 ;
U.S. Cl.
CPC ...
F27B 9/00 ;
Abstract

A furnace ( ) and a method for heating coated glass sheets by radiant heating also provides convective heating by hot air jets that entrain hot air within the furnace so the combined flow of hot air heats an upwardly facing coated glass surface in addition to the radiant heating, and a control ( ) increases this convective heating during the conveyance to balance the heating and the resultant temperature of the upwardly facing coated surface and a downwardly facing uncoated surface of each conveyed glass sheet. A hot air distributing system ( ) includes an array ( ) of hot air distributors ( ) constructed to effectively supply the convective heating. The hot air distributors ( ) have heat exchangers ( ) that heat pressurized air that provides the hot air jets. The furnace ( ) conveys the glass sheets either in an oscillating manner or a continuous one direction manner during the heating.


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