Pipe connection
CA 1322563 C · Owner: Nock, Ernst · Inventors: Nock, Ernst
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract, The invention relates to a pipe connection in which an intermediate ring which is provided or its end faces with, sealing lips is inserted between the widened pipe ends and clamping means are provided which brace the widened pipe ends and the intermediate ring together in a forcelocking manner the sealing lips of the intermediate ring being plastically deformed.
Read the whole patent
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 28, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 28, 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.