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.
Patent No.:
Date of Patent:
Dec. 04, 2012
Filed:
Mar. 16, 2005
Toivo Janhunen, Kangasala, FI;
Tarmo Pesonen, Lempäälä, FI;
Toivo Janhunen, Kangasala, FI;
Tarmo Pesonen, Lempäälä, FI;
Glaston Services Ltd. Oy, Tampere, FI;
Abstract
The invention relates to a method of heating glass panels for tempering. The horizontal glass panels are heated in a lehr by upper and lower convection blast and by upper and lower radiation heating, information representing a load of the glass panels and used for the control and/or regulation of heating is read, the upper radiation heating is controlled and/or regulated in the way of a matrix by a profiling both in a conveying direction and a direction lateral thereto. At least the upper convection blast is controlled and/or regulated in various sections of the lehr in the way of a matrix by a profiling both in a conveying direction and a direction lateral thereto, and the relative blast effects of convection blowing elements successive in the conveying direction are regulated for a profiling in the conveying direction. The invention relates also to an apparatus applying the method.