Shaped pouring brick and production thereof
CA 1102088 A · Owner: Didier-Werke A.G. · Inventors: Luhrsen, Ernst
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A shaped pouring brick is disclosed which is useful in metallurgical processes such as continuous casting. The pouring bricks of the invention are particularly useful in the continuous casting of aluminium killed steels. The pouring brick has an inlet funnel and flow passage for the casting of metals and a gas chamber connected to a gas supplied duct and surrounding the flow passage. The gas chamber is connected to the flow passage by at least one annular channel. At least one circumferential discharge slot opens up into the flow channel.
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 2, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 2, 1998.
- 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.