Device for welding molded parts
CA 2201392 C · Owner: Porfido, Erasmo · Inventors: Steiner, Jurg; Porfido, Erasmo
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A device is proposed for welding molded parts made of plastic with at least one welding section having a heating element of a resistive wire for the purpose of producing a welded joint with at least one additional plastic section, such as a pipeline element wherein the, molded part has a resistor identifying the molded part type, characterized in that means are provided which permit the simultaneous identification and control of a variety of welding parameters, so that several welding processes can be carried out simultaneously mutually independently. It is possible at any time to store welding parameters in the welding device which have been actualized at a later time. The data input takes …
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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
- Filed March 27, 1997 and granted February 20, 2001. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended March 27, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 27, 2019.
- 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.