Technique for producing recycled article comprising pouring molding of molten waste plastic
CA 2488016 A1 · Owner: Matsuo, Toshizumi · Inventors: Matsuo, Toshizumi
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method for producing a recycled article involving the pouring molding of a molten waste plastic, which comprises a step of feeding two or more types of waste plastic including a material with contaminants a printed matter, or a , colored material to a melting device to melt them together a step of pouring , the molten resin into a preheated mold by its own weight to thereby mold the resin, a step of forcedly cooling the mold having the molten resin therein and the resin with cooling water, and then a step of releasing the resulting molded article. The method has accomplished the technique wherein two or more types of plastic, which may be stained colored or printed, may have …
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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 May 27, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 27, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 27, 2025.
- 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.