Ladle heating system
CA 1137302 A · Owner: Cadre Corporation (The) · Inventors: Battles, Donald D.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure Prior to the receipt of a charge of molten metal a ladle is heated by a direct flame, by applying a seal to the rim of the ladle and directing air through a heat exchanger and to the ladle, mixing fuel with the air and igniting the mixture and directing the flame in to the ladle chamber, and exhausting the gases of combustion from the ladle chamber back through the heat exchanger. The seal applied to the rim of the ladle comprises a network of refractory fibers mounted in a common plane. In one embodiment the fibers are formed in modules and the modules each comprise a rectangular block formed in an accordion folded arrangement and the modules, are mounted with …
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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
- Granted December 14, 1982. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 14, 1999.
- 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.