Reinforcing bar coupling system
CA 1314404 C · Owner: Ancon Ccl Inc. · Inventors: Young, Brian Walter
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A coupling fitting for making joints in reinfocing bars or wires for structural concrete aims to provide a mechanical strength of the coupling virtually equal to the full design strength whilst providing the ability to increase the strength upto and beyond ultimate tensile strength of the rebar by the addition of resin. To that end the coupling comprises a sleeve (1) for fitting in spaced relation around adjacent portions of rebars to be joined and having positively adjustable engagers (3) threaded through the wall of the sleeve, and profiled engagers (17) to engage said portions. The engagers serve for centring the rebars and the profiling serves to provide a key preferably with both 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 16, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 16, 2010.
- 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.