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1. WO2004108614 - METHOD FOR OBSERVING A GLASS AND CONTROLLING HEATING EFFECT IN A HARDENING OVEN FOR A GLASS SHEET

Publication Number WO/2004/108614
Publication Date 16.12.2004
International Application No. PCT/FI2004/000355
International Filing Date 10.06.2004
IPC
C03B 29/08 2006.1
CCHEMISTRY; METALLURGY
03GLASS; MINERAL OR SLAG WOOL
BMANUFACTURE OR SHAPING OF GLASS, OR OF MINERAL OR SLAG WOOL; SUPPLEMENTARY PROCESSES IN THE MANUFACTURE OR SHAPING OF GLASS, OR OF MINERAL OR SLAG WOOL
29Reheating glass products for softening or fusing their surfaces; Fire-polishing; Fusing of margins
04in a continuous way
06with horizontal displacement of the products
08Glass sheets
CPC
C03B 27/044
CCHEMISTRY; METALLURGY
03GLASS; MINERAL OR SLAG WOOL
BMANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
27Tempering ; or quenching; glass products
04using gas
044for flat or bent glass sheets being in a horizontal position
C03B 29/00
CCHEMISTRY; METALLURGY
03GLASS; MINERAL OR SLAG WOOL
BMANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
29Reheating glass products for softening or fusing their surfaces; Fire-polishing; Fusing of margins
C03B 29/08
CCHEMISTRY; METALLURGY
03GLASS; MINERAL OR SLAG WOOL
BMANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
29Reheating glass products for softening or fusing their surfaces; Fire-polishing; Fusing of margins
04in a continuous way
06with horizontal displacement of the products
08Glass sheets
Applicants
  • GLASSROBOTS OY [FI]/[FI] (AllExceptUS)
  • LAMMI, Petri [FI]/[FI] (UsOnly)
Inventors
  • LAMMI, Petri
Agents
  • NIEMINEN, Taisto
Priority Data
2003087511.06.2003FI
Publication Language English (en)
Filing Language Finnish (FI)
Designated States
Title
(EN) METHOD FOR OBSERVING A GLASS AND CONTROLLING HEATING EFFECT IN A HARDENING OVEN FOR A GLASS SHEET
(FR) PROCEDE D'OBSERVATION DU VERRE ET DE REGULATION DE LA PRODUCTION DE CHALEUR DANS UN FOUR DE CUISSON DE FEUILLES DE VERRE
Abstract
(EN) A method to observe glass (1) and to regulate the heating effect of heating elements (5) in a sheet glass hardening furnace, which furnace comprises a glass heating sector, a transportation rail (3) to transport glass (1) to and from the said heating section and said heating elements (5) to heat the glass by means of radiation and air blast, and a furnace control system to carry out the hardening process of glass (1). The location area in the furnace of one or several glass sheets (1), watched from the glass sheet level, is observed with measuring instruments (6), by means of which air temperatures in the heating section above glass (1) transportation rail (3) is measured and the heating effect of their heating elements (5) raised by regulation, at which the location of glass sheet (1) is observed by means of the method.
(FR) L'invention concerne un procédé permettant d'observer du verre (1) et de réguler la production de chaleur par des éléments chauffants (5) dans un four de cuisson de feuilles de verre. Ce four comprend un secteur de chauffage du verre, un rail de transport (3) destiné au transport du verre (1) vers et depuis ladite section de chauffage, des éléments chauffants (5) destinés au chauffage du verre par rayonnement et par air pulsé, ainsi qu'un système de régulation du four destiné à la mise en oeuvre du processus de cuisson du verre (1). L'emplacement dans le four d'une ou plusieurs feuilles de verre (1), au niveau de la feuille de verre, est observé à l'aide d'instruments de mesure (6) permettant de mesurer les températures de l'air dans la section de chauffage au-dessus du rail de transport (3) du verre (1) et de réguler la production de chaleur par les éléments chauffants (5).
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