Method of recycling steel belted tires
CA 1338567 C · Owner: Westinghouse Electric Corporation · Inventors: Dighe, Shyam Vasant
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A process for recycling steel belted tires by shredding the tires in multiple stages and separating the rubber from the rubber encrusted steel until the rubber encrusted steel is about 50% steel and charging a plasma fired cupola with the rubber encrusted steel coke, and, limestone, melting the steel and adding dolomite as a desulfurizing agent in the plasma torch feed nozzle to make a low sulfur iron.
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 September 3, 1996. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 3, 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.