Electric furnace station noise and smoke pollution control system
CA 1101476 A · Owner: Obenchain Corporation · Inventors: Bonistalli, Raymond J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A pollution control system for an electric furnace station which provides for noise abatement and the collection and discharge of pollutant gases during charging refining, and tapping stages of electric furnace operations. A housing surrounds the electric furnace which is sized so as to enable tilting of the furnace during tapping, the housing having movable sections to enable entry of charging means for the furnace and entry of personnel, with an exhaust means in the upper region of the housing. In addition a tapping shield, is provided having a supplementary exhaust system to remove pollutant gases during tapping and additive deposition. Air curtain or other means are provided to preclude …
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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 May 19, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 19, 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.