Extrusion device for compacting metal parts, in particular shavings
CA 2278298 A1 · Owner: Schwaiger, Helmut · Inventors: Schwaiger, Helmut
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 pressing facility (1) for compressing metal parts in particular chips (3), consisting, for example of Fe, Cu, Mg, or alloys of , these elements or other metals with a low melting temperature or alloys of , these other metals, into homogeneous pressed parts. Said pressing facility comprises at least one pressing device with a pressing tool (5) formed by a tool housing (9), which forms a mould cavity (8) and comprises a guiding system for a press element (7) which can be adjusted via a drive device (6) as well as an inlet opening (28) for the chips (3) in the tool housing (9). In addition, a compression channel (18) is positioned adjacent to a frontal face of …
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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 January 16, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended January 16, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 16, 2020.
- 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.