Patents by Inventor Tatsuaki Urata

Tatsuaki Urata 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).

  • Tubular shape finishing apparatus for an electro-resistance-welded pipe
    Patent number: 5607098
    Abstract: A tubular shape finishing apparatus in a steel pipe manufacturing system which molds band steel in a tubular shape while passing through a plurality of sets of forming roll stands and welds the butt portion by a seam welding unit, the tubular shape finishing apparatus welding the pipe by a seam welding unit, cutting off padding by a bead cutter, finishing and shaping the same into a shape of a desired diameter, and to be about an complete round, and comprising one or two of 3-roll forcible drive type stand or 3 or more roll forcible drive type stands disposed in series.
    Type: Grant
    Filed: January 4, 1996
    Date of Patent: March 4, 1997
    Assignee: Kusakabe Electric & Machinery Co., Ltd.
    Inventors: Ryoji Kusakabe, Tatsuaki Urata