Machine usable for washing scraps of fibrous material, which have been impregnated with resin
CA 2303680 A1 · Owner: Vetrotex France S.A. · Inventors: Gondra Zubieta, Koldo; Prellezo Arrieta, Augustin
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention concerns a machine that can be used for washing scraps of fibrous materials, such as fibreglass, carbon fibre polyamide, or the like, which have been impregnated with resin for allowing the extraction of the , resin with the use of the appropriate solvents. The machine comprises a closed, hollow container having one inlet and one outlet the container , enclosing at least one conveyor belt over which is situated at least one overhead spraying means which delivers solvent contained in at least one tank wherein a drying means is installed at the end of a conveyer belt upstream the outlet. The invention also concerns a process for washing scraps of fibrous material …
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 April 3, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended April 3, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 3, 2022.
- 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.