Disposable filter cartridge
CA 1092525 A · Owner: Standard Havens, Inc. · Inventors: Bundy, Richard P.; Rheinfrank, Lamson, Jr.; Clements, Jack T.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A disposable filter cartridge for suspension from the tube sheet in a baghouse. A wire mesh cylindrical cage is rigidly fitted with a diffuser having a plurality of flexible fingers which sealingly encircle the tube sheet collar. A fabric filter sleeve encases the cage and has an upper sea skirt of greater diameter than the outside diameter of the diffuser. The cage may be equipped with a bottom end cap having an annular groove adjacent the cage to facilitate crimping thereon. The bottom of an open filter sleeve may be provided with a cuff having a continuous sealing band disposed therein of slightly larger diameter than the bottom end cap.
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 December 30, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 30, 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.