Multitube heat exchanger
CA 1079262 A · Owner: Borg-Warner Corporation · Inventors: Kuzel, Josef J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method of sealing round tubes of a tube and fin bundle to a tube header wherein the tube and fin bundle and opposite headers are assembled into opposed header tanks to form a radiator or heat exchanger. The method includes the steps of rolling the tube ends, positioning a grommet over the curled tube end, and inserting the tube and grommet into an opening in the tube header.
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 June 10, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 10, 1997.
- 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.