Roof for working area, melting area or gob feeder of a glass melting furnace
CA 1330164 C · Owner: Bucar, Matjaz · Inventors: Sorg, Helmut; Bucar, Matjaz
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Roof of a working tank or of a glass melting furnace having a basin containing molten glass and covered by the radiation roof of highly refractory firebrick material in which the, roof is constructed with horizontal supporting elements in the form of straight arches (3) bearing the load of the roof (1) and spanning the tank at intervals and with horizontal, slabs (4) covering the open intervals between the supporting elements (3) and laid crosswise between the supporting elements(3).
Read the whole patent
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
- Granted June 14, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 14, 2011.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.