Method for the manufacture of thermoplastic heat exchangers
CA 1329472 C · Owner: Shuster, Jerry Paul · Inventors: Cesaroni, Anthony Joseph; Shuster, Jerry Paul
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method is disclosed for the manufacture of panel heat exchangers from thermoplastic polymers. At least one sheet is coated with a coating that facilitates bonding of the polymer to itself under the influence of heat. Two sheets, at least one of which has been coated, are placed between moulds in a press. At least one of the moulds has grooves corresponding to the pattern of fluid flow passages to be provided in the panel heat exchanger. The moulds are heated and an inert gas e.g. nitrogen is, applied and passed through the fluid flow passages to assist in the formation of the passages and to remove any volatile material from the coating. The preferred polymer is polyamide and the …
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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 May 17, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 17, 2011.
- 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.