Method of welding together two incompatible moulded parts with the aid of a film
CA 2630660 C · Owner: Evonik Degussa Gmbh · Inventors: Goering, Rainer; Monsheimer, Sylvia; Baumann, Franz-Erich
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Two shaped articles A and B which are not directly weldable to one another can be welded to, one another with the aid of a film C if the material of the first surface of this film is, compatible with the material of the shaped article A and the material of the second surface of, this film is compatible with the material of the shaped article B and if either the film C or a, surface region in contact therewith absorbs electromagnetic radiation. The welding is carried, out by brining the first surface of the film C into contact with the shaped article A and the, second surface of the film C into contact with the shaped article B and inputting, electromagnetic radiation.
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
- Filed August 11, 2006 and granted May 29, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended August 11, 2026.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- 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.