Method of making a molded article having a film layer
CA 2182727 C · Owner: Camoplast Inc. · Inventors: Khennache, Omar
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The disclosure describes a method of making a molded article having a film layer on its exterior surface that provides a surface finish to the article; the method consists in first placing a thermoplastic film in a two-partmold having a negative recessed border undercut in one of its part and in vacuum forming, under heat conditions, the film to make a preform having inward folded edge having a shape corresponding to that of the recessed border undercut. After removing the preform from the mold part of the, preform edge is trimmed to leave an inward peripheral edge along the preform which is then placed in a second mold wherein molten plastic is blown or injected; the plastic of the …
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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 August 5, 1996 and granted April 25, 2000. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended August 5, 2016.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 5, 2018.
- 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.