Combustion apparatus for a refuse incinerator
CA 2054804 A1 · Owner: Nkk Corporation · Inventors: Yamagishi, Miki; Suzuki, Sadao; Doi, Shigeyuki
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A combustion apparatus for a refuse incinerator has a plurality of rows of grates arranged in parallel in the directions of breadth and in series in the longitudinal directions of a combustion zone and a post-combustion zone of the combustion apparatus. The rows consist of immobile grates and mobile grates alternately arranged. Immobile girders support the immobile grates. Mobile girders support the mobile grates. A partition wall divides the combustion apparatus into the combustion zone and the post-combustion zone. Seals cooperates with the mobile girders and are located on the partition wall. A hydraulic cilinder shuttles the mobile girders. Bearing housings are mounted on upper …
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
- Filed November 1, 1991. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 1, 2011.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 1, 2013.
- 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.