Hover furnaces
CA 1077265 A · Owner: British Steel Corporation · Inventors: Jackson, George
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A furnace for continuously heat treating metallic strip comprises a substantially flat horizontal entry floatation table having a trailing portion which inclines downwardly towards the base of a floatation trough. The trough extends along substantially the full length of the heating zone furnace. An exit table includes a leading portion which inclines upwardly from the base of the trough to a generally horizontal flat floatation surface. Entry and exit seals are positioned above the entry and exit tables respectively. .
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 May 13, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 13, 1997.
- 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.