Device for connecting flanged pipes
CA 1202047 A · Owner: Weinhold, Karl · Inventors: Weinhold, Karl
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure The invention relates to a device for connecting flanged pipes. For this purpose a multiple-section clamp is mainly used which includes inwardly protruding flanges engaging beyond the collars of the pipe ends. An annular profiled seal forms an approximately U-shaped hollow profile with the shanks which are formed as sealing lips and which abut against the peripheral surfaces of the collars. The assembly of the profiled seal is difficult. The sealing effect is often impaired by the peripheral surfaces of the collars being no longer sufficiently even and smooth. These drawbacks are removed by the invention such that the profiled seal has inner profiled section …
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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 March 18, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 18, 2003.
- 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.