Program-controlled feeding of molten metal into the dies of an automatic continuous casting plant
CA 2038233 A1 · Owner: Theler, Jean-Jaques · Inventors: Theler, Jean-Jaques; Jordan, Jean-Francois; Rey, Edmond
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Upstream of the dies (14) internally insulated in the upper region is casting furnace and a runner system which latter comprises a distributor trough feeding all the dies (14) with metal at an identical level (60). In the region situated below an inner ring (32) a gas, cushion (54) which prevents direct contact of the die (14) with the molten metal (30) is maintained and oil is, injected into this region. A joint main having distribution lines conducts air or an inert gas having the same, slight overpressure into all the dies (14). The relative pressure between a desired value dependent on the metal level (H1) and computed by program and an actual value measured in the main (62) serves for …
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
- Filed March 14, 1991. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 14, 2011.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 14, 2013.
- 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.