Non-reversible sliding gate valve and method
CA 1340029 C · Owner: Flo-Con Systems, Inc. · Inventors: King, Patrick D.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method of and change to the lower portion of the slide gate to be asymmetrical in the gate loading direction such that altering the supporting loading rail portions of the frame on the mechanism to prevent loading of the gate in the incorrect orientation is disclosed. The frame for the existing sliding gate valve is asymmetrical about the gate change axis which thereby eliminates the requirement or left and righthanded frames to make left and righthanded mechanisms. The method to change a mechanism from a left to a righthand load requires two additional parts. In this change the frame is changed to be asymmetrical and yet require only the same two additional parts to change from left to …
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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 September 8, 1998. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 8, 2015.
- 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.