Flexible seal and groove assembly
CA 1136666 A · Owner: Paptzun, George J. · Inventors: Paptzun, George J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A groove in one of a pair of members to be associated in a sealed connection receives a flexible seal having one endprojecting through the opening of the groove for sealing engagement with the other member. An intermediate portion of the seal is sinuous-like in shape whereby upon being subjected to pressure from one side it is urged toward a straightened condition to increase the sealing engagement. In one construction of the invention the sealing end of, the seal has an enlarged head which provides a widened sealing surface and also insures-against blowout. Fluid escape ports are provided in the sealing end to prevent pressure build-up on the low pressure side of the seal. The side walls …
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 November 30, 1982. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 30, 1999.
- 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.