Seal between two parts of a conduit coupling which are rotatable with respect to each other
CA 1324397 C · Owner: Single Buoy Moorings Inc. · Inventors: Franken, Wouter Adriaan Gerardus; Adang, Francois Marie Jacques
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Sealing between two parts of a conduit coupling which are rotatable with respect to each other and between which there exists a small clearance and in which the medium flowing through the conduits is sealed with respect to the environments by means of sealing rings present in grooves on both sides of the medium to be sealed, said sealing having on each side of the medium conduit a groove with two sealing rings, said groove having a width which is larger than the space taken by the two sealing rings which sealing, rings are U-shaped in cross-section and placed inside each groove with the openings towards each other, the space between said rings being filled with a liquid under pressure which …
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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 November 16, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 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.