Method and mechanism for the installation of plastic pipes in sewage piping
CA 1237285 A · Owner: Wiik & Hoglund Gmbh · Inventors: Schroder, Gunter; Jurgenlohmann, Peter
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Summary:, In the procedure for the installation of plastic pipe pieces with lateral branch openings into sewage pipes to be repaired the, first step is the measuring in the longitudinal axis direction of the branch of the sewage pipe from the inside with respect to the already installed piece of plastic pipe. After that the, lateral opening in the plastic pipe is made above the ground and outside of the sewage pipe that is to be repaired. After this the already prepared plastic pipe is joined in an aligned position with the already installed plastic pipe with the help of a mov-, able transportation device inside of the sewage pipe.
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 May 31, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 31, 2005.
- 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.