Process and equipment for hot moulding of articles made of thermoplastic material
CA 2344776 A1 · Owner: Crs Srl Centro Ricerche E Sperimentazioni · Inventors: Cesano, Franco
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A process for the hot moulding of articles (L) made of thermoplastic material, comprising the steps of: - heating at least one plate of thermoplastic material (L) to a plasticizing temperature;, - compressing said heated plate (L) between two moulding surfaces (14, 16), set opposite one another of a pair of half-moulds (10, 12); and - forming, by injection moulding, at least one component (22) anchored to a surface of the plate (L) while the plate is being compressed between said moulding surfaces (14, 16).
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 20, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended April 20, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 20, 2023.
- 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.