Adjustable clamping band for gaskets and method for using same
CA 1296872 C · Owner: Westhoff, James · Inventors: Kelly, James A.; Westhoff, James
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A clamping band for clamping a resilient gasket against an opening within a wall to provide a fluid-tight seal therebetween. The clamping band is generally circular-shaped and has an elongated slot extending inwardly from one free end of the clamping band and cooperates with an elongated projection of reduced cross section as compared with the nominal cross section of the clamping band and which is provided at the opposite end of the band. The projection is inserted into the slot, the clamping band is placed against the gasket arranged within the aforesaid opening and the gasket is expanded a predetermined amount by an hydraulic expander to exert the desired clamping pressure upon the …
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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 March 10, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 10, 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.