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:
Nov. 11, 2008
Filed:
Mar. 30, 2004
Jouko Järvinen, Tampere, FI;
Petri Lammi, Tampere, FI;
Kari Väh{hacek Over (A)}-antila, Nokia, FI;
Glassrobots OY, Pirkkala, FI;
Abstract
A convection furnace for a tempered glass sheet (), into which furnace the glass sheet arrives along a hauling track, as on turning rolls (), and the furnace has also heating resistances () against glass sheet () for heating the blast air, a blast apparatus and blast channelling (), () for blasting said air against the glass sheet. The blast channelling comprises elongated channels () in the glass sheet () direction, inside of which there is at least a part of each blast air heating resistance () and each channel () has below the resistance line a broadening and in the broadening a bottom part (), whereby bottom part () is furnished with blast holes ().