Method for producing mold-shaped ceramic bodies
CA 1308884 C · Owner: Lanxide Technology Company, Lp · Inventors: Laroche, Evans Allen, Jr.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Evans Allen LAROCHE, JR. ABSTRACT A method of producing shaped, self-supporting ceramic bodies includes preparing a mold by applying a gas-permeable conformable material to a shape-defining surface of a shaped parent metal. The gas-permeable material when set or, stable, provides a mold with a shaped surface which is defined by, and is therefore substantially congruent to the, shape-defining surface. Upon heating the parent metal melts, and flows from the mold into a receptacle without disturbing the mold. Oxidation reaction product is then grown by oxidation of the molten parent metal with a vapor-phase oxidant to form an oxidation reaction product which grows into the mold cavity and is …
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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 October 20, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 20, 2009.
- 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.