Pressure equalizing rotary joint
CA 1296032 C · Owner: Ocean Works International, Inc. · Inventors: Nuytten, R.T. Phil
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
This invention pertains to a novel rotary joint which seeks to equalize exterior-interior pressure. This rotary joint is useful in permitting free rotary motion between two components connected by the joint in conditions where unequal pressures exist at the interior and exterior of the joint. It includes a rotary joint comprising: (a) first annular member means adapted to be connected to the end of a first tube-like object; (b) second annular member means adapted to be connected to the end of a second tube-like object; (c) intermediate member means adapted to be positioned between the first annular member means and the second annular member means and being capable of moving independently of …
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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 February 18, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 18, 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.