Steam cooled spout
CA 1235863 A · Owner: Domtar Inc. · Inventors: Paldy, Ivan V.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A substantially energy saving steam cooled spout offering reduced explosion hazards, the invention includes a heat resistant heat exchanging metallic wall having one surface to convey a flow of molten smelt. A second heat resistant wall joins the heat exchanging metallic wall to define with the opposite surface thereof a passage for a, flow of steam, against the heat exchanging metallic wall. The heat exchanging metallic wall thereby provides a heat exchange from the flow of molten smelt to the flow of steam. Baffles are mounted in the passage to define a tortuous path therein in order to increase the path of the steam over the heat exchanging metallic wall thereby in-, creasing the …
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 May 3, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 3, 2005.
- 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.