Furnace skewback support with buckstay pivot
CA 1062316 A · Owner: Lectromelt Corporation · Inventors: Wynne, Peter J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A refractory lined electric arc furnace has a hearth sidewalls and an arched roof. Skewback refractories are disposed between the roof and the sidewalls and are pivotally coupled to vertical support posts which bear against the sidewalls so that the skewbacks may change their angular relation to the sidewalls without inducing undue stresses in the roof as the lower ends of the side walls move inwardly and outwardly as the result of unequal expansion of the hearth relative to the roof.
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 11, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 11, 1996.
- 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.