Method and apparatus for vertical die casting
CA 1190021 A · Owner: Toyota Jidosha Kabushiki Kaisha · Inventors: Masaoka, Toshika; Ito, Takeharu; Tokui, Masaaki
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A vertical die casting method comprising the steps of initially charging molten metal into a cavity in a mold by the weight of the molten metal itself; and then completing the charging of the molten metal into the cavity under pressure and the apparatus for carrying out the method.
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
- Granted July 9, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 9, 2002.
- 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.