Sectional ingot mold
CA 1109228 A · Owner: Bowman, Harold M. · Inventors: Bowman, Harold M.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A sectional ingot mold formed of a plurality of side wall sections which when assembled define at least the side periphery of a mold cavity, with means on the side wall sections for coaction with means on the adjacent sections for coupling the wall sections together into an integral unitary ingot mold. Connecting means are provided coacting with the wall sections and automatically compensating for the expansion and retraction of the mold sections during heating and cooling of the mold. The interior surface of each mold section may be sinuous for aiding in stress relief of the formed ingot, and aiding in preventing molten metal leakage from the mold.
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 22, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 22, 1998.
- 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.