Patents Assigned to Tokyo Sintered Metals Corporation
  • Patent number: 7459032
    Abstract: A pressurizing forming process includes the steps of applying a higher fatty acid-based lubricant on a surface of a metallic workpiece and/or a forming surface of a forming tool, and forming, wherein a lubricating film including metallic soap is formed on a pressurized-and-contacted interface, at which the surface of the metallic workpiece and the surface of the forming tool are pressed against and are brought into contact with each other, in forming the metallic workpiece by pressurizing with the forming tool. The metallic workpiece and/or the forming tool can be heated prior to or in the forming step.
    Type: Grant
    Filed: June 12, 2002
    Date of Patent: December 2, 2008
    Assignees: Kabushiki Kaisha Toyota Chuo Kenkyusho, Toyota Jidosha Kabushiki Kaisha, Tokyo Sintered Metals Corporation
    Inventors: Mikio Kondo, Akira Sekiguchi, Naoki Miyagawa, Shigehide Takemoto, Hiroshi Okajima