Yes. The whole theory of a patent is that someone reasonably skilled in the art can build or develop whatever you're proposing to be patented, so yes, there is disclosure.
I'm not a patent counsel, but I believe that in Canada the publication of the application occurs earlier than it does in the U.S. In the U.S. it is 18 months; it used to be that you didn't know anything about a patent that was filed in the U.S. until pretty close to the patent being issued. There is a difference, but yes, there is disclosure.