Method and device for the homogeneous heating of glass and/or glass-ceramic articles using infrared radiation
CA 2368018 A1 · Owner: Carl-Zeiss-Stiftung Trading As Schott Glas · Inventors: Hoppe, Bernd; Garsche-Andres, Markus; Esemann, Hauke
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to a method for the homogeneous heating of semitransparent and/or transparent glass and/or glass-ceramic articles using infrared radiation so that the glass and/or glass-ceramic articles undergo heat treatment at between 20 and 3000 ~C notably at between 20 and 1705 ~C. , The invention is characterized in that heating is achieved by a component of infrared radiation which acts directly on the glass and/or glass-ceramic articles and by a component of infrared radiation which acts indirectly on said glass and/or glass-ceramic articles. The radiation component indirectly acting on the glass and/or glass-ceramic articles accounts for more than 50 % of total …
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Filed March 22, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 22, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 22, 2022.
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Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.