Pack, comprising a stack of abutting rectangular plates, intended for a regenerative heat exchanger and a method of manufacturing such a pack
CA 1096852 A · Owner: Wiking, Lars · Inventors: Johnsson, Bo; Wiking, Hakan
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
In a pack of rectangular plates to be used in a regenerative heat exchanger the plates are kept in position by a plurality of mutually parallel tension rods passing through registering openings in the plates. Each tension rod has at its ends securing means co-operating with the outer plates of the stack for holding the plates pressed against each other. At least one of the tension rods is provided with a lifting eye device which can be moved into the pack and out of the pack, respectively.
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 March 3, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 3, 1998.
- 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.