High speed rate method for manufacturing plastic assembly parts
CA 2257925 A1 · Owner: Schneider, Bernard · Inventors: Rebeyrolle, Michel; Joyeux, Marc; Schneider, Bernard
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention features the manufacture of assembly parts comprising two plastic workpieces mutually movable with at least one configuration where their contact surfaces conform to complementary shapes. It comprises the following steps: a) forming a first piece (3') by bringing closer an external tooling (50 51), the impression of which defines a generally convex surface and an internal tooling (40 41) comprising at least one core (40) fitting into the internal surface volume; b) moving the first external tooling (50 51) away and maintaining the internal tooling (40 41); c) positioning a second external tooling (55) the impression of which defines with, the generally convex surface of the …
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 June 3, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 3, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 3, 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.