Modular element heat exchanger, particularly for extrusion cylinders, injection molding machines, drawing machines and the like plastics processing machines
CA 1292983 C · Owner: Piazzola, Gaetano · Inventors: Piazzola, Gaetano
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 modular element heat exchanger, specifically designed for extrusion cylinders, injection molding machines, drawing machines and the like plastics material processing machines. The heat exchanger comprises a plurality of segments which are shaped as a circular semi-crown and are coupled so as to substantially define a circular crown which may be applied about the body to be thermally controlled. The segments may be axially stacked and are provided with radially extending fins the fins, including throughgoing holes. In the two faces of the segments there are moreover provided recesses for housing an electric resistance. An outer casing is moreover provided which …
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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 December 10, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 10, 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.