Lift brake for exhaust water for a vertical drain pipe system
CA 1069412 A · Owner: Geberit Ag · Inventors: Stahli, Paul
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to a lift brake for exhaust water capable of installation in a vertical drain pipe system. In the vertical drain pipes of multi-story buildings the, speed of fall of effluent water can become very great causing, a partial vacuum which can lead to the emptying of the siphon drain traps of attached plumbing installations. To prevent this from occurring lift brakes have been installed, at the lateral attachment location of the drain pipe on each floor, in order to dissipate at least part of the kinetic energy of the water. For example, the branching members can be provided with water deflecting devices, and with auxiliary connections in the area of the lateral …
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 January 8, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 8, 1997.
- 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.