Patents Assigned to Marubishi Yuha Kogyo Kabushiki Kaisha
  • Method of bending metallic pipe
    Patent number: 5555762
    Abstract: A filling material such as a fatty acid is filled into a metallic pipe in a molten state. The metallic pipe is then bent at a room temperature in a condition in which the filling material is solidified. After the bending work has been finished, the filling material is melted and discharged out of the pipe. The filling material may be a mixture of a fatty acid and a powdery additive.
    Type: Grant
    Filed: March 29, 1995
    Date of Patent: September 17, 1996
    Assignees: Honda Giken Kogyo Kabushi Kaisha, Marubishi Yuha Kogyo Kabushiki Kaisha
    Inventors: Yoshiro Kawamura, Isao Manabe, Shingo Nakashima