Adaptor and method for converting standard tube fitting/port to push-to-connect tube fitting/port
CA 2578446 C · Owner: Weil, Andreas · Inventors: Ehrke, Dieter; Weil, Andreas; Moreiras, Luis
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An adaptor (45) for converting to a push-to-connect tube fitting/port a standard tube fitting/port body (10, 110 210, 310, 410, 510, 610) having a , threaded portion (11) for threaded attachment of a nut/plug (12) comprises a , coupling nut/plug (12,112 212, 312, 412, 512, 612) having an axially inner threaded end portion for threaded attachment to the threaded portion (11) of the fitting/port body (10); a tube sealing member (15 115, 215, 315, 415, 515, 615) contained within the nut/plug (12) for sealing to a tube (19) having a locking surface (22) spaced from the end of the tube (19) ; and a retention device (23) retained in the nut/plug (12) which nut/plug (12) has at an , axially …
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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
- Filed July 21, 2005 and granted February 12, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended July 21, 2025.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- 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.