Stable metal-sheathed thermocouple cable
CA 1291228 C · Owner: Commonwealth Scientific And Industrial Research Organisation · Inventors: Bentley, Robin Eric
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A thermocouple cable has a positive and a negative thermoelement conforming to the standard emf-temperature specification for type K thermocouples a sheath through, which the thermocouples extend and compacted ceramic, insulating the thermoelements from each other and from the sheath. The sheath comprises an oxidation-resistant alloy having a thermal coefficient substantially the same as that of the negative thermoelement and a melting point in excess of 1300°C; the sheath preferably being formed from a nickel based alloy, such as a nickel-chromium alloy. The positive and negative thermoelements preferably also comprise nickel-based alloys.
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 October 22, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 22, 2008.
- 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.