Method and apparatus for molding composite articles
CA 2184945 C · Owner: Windsor Mold Inc. · Inventors: Mcbride, Leonard
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An injection molding process for the manufacture of composite molded, thermoplastic, articles comprising an insert member contiguous with a second body of molded thermoplastic material, is carried out in a mold assembly comprising a core member and a cavity member engageable therewith. The core and cavity members cooperate to define a first molding station having a first cavity for molding am insert member and a second molding station which is configured to receive and support an insert member therein and to provide a second molding cavity contiguous with the insert member for molding a thermoplastic body contiguous with the insert. At the start of the process, an insert is supported in 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 September 6, 1996 and granted May 15, 2001. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended September 6, 2016.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 6, 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.