Method and apparatus for regulating the temperature during the production of building-material compositions
CA 1194184 A · Owner: Kallinger, Walter · Inventors: Howanietz, Friedrich; Kallinger, Walter
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method for regulating the temperature during the production of a building-material composition wherein the, substances corresponding to a particular formula are mixed with one another and heat is supplied or removed during the preparation of the composition. During the whole preparation the temperature of the mix is measured at short intervals in the region of 0.5 to 30 sec or continuously with high accu-, racy, without contact and the amount: of heat to be added, or subtracted in order to reach the required processing temperature of the composition is calculated. An amount of heat slightly below the calculated value is always supplied or removed, the amount of heat to be supplied or …
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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 24, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 24, 2002.
- 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
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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.