Patents Assigned to Toyofumi Watanabe
  • Method for cleaning wire and device therefor
    Patent number: 10689765
    Abstract: This method for cleaning wires enables effective descaling and removal of smuts from wires, prevents yellowing after cleaning, and significantly reduces the amount of water discharged as a result of cleaning, said method including, in the stated order: (A) pickling a wire; (B) cleaning the wire with acidic pressurized water, the concentration of which is adjusted with water and collected pickle solution which has adhered to and been recovered by the wire after use in Step (A); and (C) cleaning the wire with water.
    Type: Grant
    Filed: September 10, 2014
    Date of Patent: June 23, 2020
    Assignees: Nakagawa Special Steel Inc., Toyofumi Watanabe
    Inventor: Toyofumi Watanabe