Method of manufacture of manifolds and manifold provided by such method
CA 1280106 C · Owner: Clausen, Edvin List · Inventors: Clausen, Edvin List
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A new method of manufacturing of integrated manifolds for heat exchangers is disclosed. A hollow shape (2) with a plurality of individual risers (23) having a substantially solid cross-section is provided and subsequently the risers are reshaped by means of a reverse impact extrusion process into hollow risers (3). Finally by, perforating the hollow shapes's wall under the hollow risers (3) apertures are provided constituting inlets connecting the cavity of the hollow shape (2) with the individual hollow risers.
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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 February 12, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 12, 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.