Apparatus for cleaning air ports of a chemical recovery furnace
CA 1291851 C · Owner: Bergemann U.S.A. Inc. · Inventors: Goodspeed, Byron L.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract, Apparatus for cleaning air ports in a chemical recovery furnace includes a plurality of rods each, having a cleaning tip thereon, mounted on a wind box adjacent the furnace. The rods are longitudinally slidable to insert the cleaning tips into the air ports, and are rotatable about an axis perpendicular to the longitudinal axis of the rods so as to index the cleaning tips to a new point of insertion into the air port opening. An air cylinder actuator is employed to insert the cleaning tips into the openings in a ramming motion to dislodge residual buildup in the air port opening retract, the cleaning tips from the air port openings and, index the tips to a new point of insertion. …
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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 November 12, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 12, 2008.
- 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.