Adapter for an extruder for producing plastic profiles
CA 2402824 A1 · Owner: Schwaiger, Meinhard · Inventors: Schwaiger, Meinhard; Smutka, Franz
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to an adapter for an extruder for producing plastic profiles, which is provided for the purpose of being disposed between an extrusion cylinder and an extrusion die, with the basic body of the adapter comprising a flow channel which is delimited at one outer side by a wall surface of the basic, body and at one inner side by a deflection body which is rigidly connected with, the basic body. A careful homogenization of the melt can be achieved in such a way that the deflection body is provided with a substantially spherical arrangement and is exclusively held by a holding pin which is situated downstream and is connected via bridges with the adapter.
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 September 11, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended September 11, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 11, 2024.
- 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.