Patents by Inventor Kikuo Kawamukai

Kikuo Kawamukai has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Method and apparatus for making a can body
    Patent number: 4675496
    Abstract: A method of making a can body is provided. The method comprises forming a ferromagnetic metal blank into a can body preform having adjacent confronting side edges whose edge faces are spaced, magnetizing the confronting edges to have a reverse polarity to each other, so that the confronting edge faces be attracted to each other and brought into abutting relationship to form an abutting portion, and joining the abutting portion. An apparatus for making a can body according to the method is also provided.
    Type: Grant
    Filed: February 18, 1986
    Date of Patent: June 23, 1987
    Assignee: Toyo Seikan Kaisha, Limited
    Inventors: Makoto Toyoshima, Kikuo Kawamukai
  • Method and apparatus for forming openings in a can end and applying a sealant to the inside surfaces of the openings
    Patent number: 3999494
    Abstract: A press-forming operation to form opening portions in can ends having a curled portion for seaming and an operation of applying a sealant on the opening portions have been coupled into an integrated system, thus allowing them to be performed consecutively. Can ends are supported at predetermined intervals by a can end-supporting disc so as to move them intermittently.
    Type: Grant
    Filed: May 30, 1975
    Date of Patent: December 28, 1976
    Assignee: Toyo Seikan Kaisha Limited
    Inventors: Yasunori Miyamatsu, Kikuo Kawamukai