Method for electrodeposition coating
CA 1294917 C · Owner: Toyota Jidosha Kabushiki Kaisha · Inventors: Takahashi, Yoshinobu; Hibino, Ikukazu; Mori, Takanobu
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method for the electrodeposition coating of workpieces,conveyed in an electrodeposition bath wherein, voltage applying means is provided in a plurality of stages of not less than three in the conveying direction of the workpieces. Voltage is increased at the first stage and, the multiple staged voltage applying means is initiated after the workpieces reach a submersion area where the workpieces are completely submerged in the paint contained in the electrodeposition bath. Voltage application at the final stage of the voltage applying means is terminated before the workpieces exit from the submersion area. By this method, the thickness of the electrodeposition film can be made uniform so …
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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
- Granted January 28, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 28, 2009.
- 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.