Patents by Inventor Kazuo Arimura

Kazuo Arimura 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).

  • Extrusion method using hot lubricant
    Patent number: 4445350
    Abstract: There is disclosed a method for hot lubricated metal extrusion in which a billet is extruded into a solid or tubular form by means of a die and/or a mandrel with an organic lubricant interposed within a container, the method comprising feeding a combustion improver or a mixture of a combustion improver and water into an extruded product thereby burning off the carbide of the lubricant deposited on the surfaces of the extruded product.
    Type: Grant
    Filed: November 27, 1981
    Date of Patent: May 1, 1984
    Assignee: Kabushiki Kaisha Kobe Seiko Sho
    Inventors: Masao Nishihara, Tomiharu Matsushita, Masataka Noguchi, Kazuo Arimura, Akira Ohte, Tetsuo Kimura, Akira Iwai, Nobuo Hayashida