Patents by Inventor Daisuki SUGIYAMA

Daisuki SUGIYAMA 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).

  • ONE-SIDE SUBMERGED ARC WELDING METHOD AND ONE-SIDE SUBMERGED ARC WELDING DEVICE
    Publication number: 20210046573
    Abstract: A one-side submerged arc welding method includes setting: a welding speed transition section, in which welding is performed such that a welding speed is lowered from a welding speed of main welding to a welding speed being 80% or less of the welding speed of main welding; and a low welding speed section, in which welding is performed at a welding speed being 80% or less of the welding speed of main welding. A length of the welding speed transition section is set to be more than 200 mm and 1,000 mm or less. The low welding speed section is set as a section from a position of 100 mm or more and less than 1,000 mm in front of the end part of the steel plates to the end part.
    Type: Application
    Filed: January 25, 2019
    Publication date: February 18, 2021
    Applicant: Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
    Inventors: Hiroyoshi YOKOTA, Masaharu KOMURA, Daisuki SUGIYAMA, Koji SATO