Pre-treatment of a thixotropic metal bolt
CA 2395161 A1 · Owner: Alcan Technology & Management Ltd. · Inventors: Plata, Miroslaw; Bagnoud, Christophe; Arnold, Gregoire
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to a pre-treatment device and method for production of a thixotropic metal bolt (10), in a casting chamber (30) of a thixo-moulding unit. The pre-treatment device comprises a container (14) for accommodating a , metal bolt (10), an oven (20) for converting the metal bolt (10) in the container (14) into a partly fluid thixotropic state and a transport unit for transporting and feeding the thixotropic metal bolt (10) into the casting , chamber (30). The container (14) is a cylinder-shape heating tube (14) with , closable sides. Furthermore, the pre-treatment device is so arranged that during the entire pre-treatment, namely the heating process in the oven (20) 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 December 12, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 12, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 12, 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
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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.