Patents Assigned to Koyusha Co.
  • Patent number: 4995311
    Abstract: A device for making or preparing liquid coffee comprises a main body having a pair of support rails, a dripper suspended from these rails. The dripper have a filter attached thereto and an outlet formed at the bottom thereof and containing coffee powder therein. A pot is located under the dripper and have an opening which is opposed to the outlet of the dripper at a certain interval. Hot water is supplied into the dripper to make liquid coffee, which is collected in the pot, passing through the outlet of the dripper and the opening of the pot. The dripper includes a holder attached to the paired support rails, a member connected to the holder and movable up and down. The movable member is mounted on the top of the pot to enclose the space between the outlet of the dripper and the opening of the pot to thermally shield liquid coffee flowing through the space from outside air when it is at its lower positions.
    Type: Grant
    Filed: September 5, 1989
    Date of Patent: February 26, 1991
    Assignees: Kabushiki Kaisha Toshiba, Koyusha Co., Kanazawa Industry Co. Ltd.
    Inventors: Masaru Naya, Masayuki Kuzumaki, Susumu Ishikawa