Quick removal apparatus and method for lantern rings and packing in pumpassemblies
CA 1309301 C · Owner: Zee Impeller Breaker Inc. · Inventors: Mintenko, William; Protz, Frank
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Quick Removal Apparatus and Method for Lantern Rings and Packing in Pump Assemblies, ABSTRACT OF THE DISCLOSURE The present invention provides a system for facilitating the removal of the lantern ring and packing in pump assemblies. Previously a steel hook was used to scrape away the worn packing. The present invention provides a series of cables extending through the lantern ring which permit the lantern ring and packing to be easily pulled out when replacement is required.
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 October 27, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 27, 2009.
- 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.