Method of locating a slab of refractory heat- insulating or exothermic material on a molten metal surface
CA 1086470 A · Owner: Foseco Trading A.G. · Inventors: Willard, David C.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to a method of locating a slab of refractory heat-insulating and/or exothermic material on the surface of a molten metal in an ingot mould or other vessel. The slab has at least one prongreceiving socket, accessible from an edge or the top of the slab, the socket or sockets having an upper bearing surface in the plane of the slab. The locating method involves advancing a pronged tool having an elongate handle to the slab, engaging the prong or prongs of the tool in a respective socket of the slab and, moving the slab by means Or the tool to overlie the molten metal. The slab is then released from the tool to fall on to the molten metal and there to assume a generally …
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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 September 30, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 30, 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.