Patents by Inventor Seigo Tabuchi

Seigo Tabuchi 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).

  • Apparatus for soaking steel pieces
    Patent number: 4614495
    Abstract: An apparatus for soaking steel pieces including cold steel pieces and hot steel pieces. The apparatus is of the type which includes: a soaking furnace for subjecting the steel pieces to a soaking treatment; a preheating chamber for preheating the cold steel pieces before the cold steel pieces are introduced into the soaking furnace, the preheating chamber being connected to the soaking furnace for receiving waste heat from the soaking furnace for the preheating treatment and having an outlet portion for discharging the cold steel pieces; and a mechanism for introducing the steel pieces into the soaking furnace and for advancing the steel pieces through the soaking furnace.
    Type: Grant
    Filed: January 3, 1985
    Date of Patent: September 30, 1986
    Assignee: Kabushiki Kaisha Itoh Seitetsusho
    Inventor: Seigo Tabuchi
  • Method of soaking steel pieces
    Patent number: 4311454
    Abstract: A heated soaking furnace, a chamber for preheating cold steel pieces in communication with said soaking furnace, means for transferring a portion of the heat from the furnace to the chamber, means for moving the steel pieces through the chamber to preheat the steel pieces and means for conveying the steel pieces from the outlet of the chamber to the inlet of the furnace.
    Type: Grant
    Filed: January 28, 1980
    Date of Patent: January 19, 1982
    Assignee: Itoh Iron & Steel Works Co. Ltd.
    Inventor: Seigo Tabuchi
  • Method of and an apparatus for soaking steel pieces
    Patent number: 4214868
    Abstract: A heated soaking furnace, a chamber for preheating cold steel pieces in communication with said soaking furnace, means for transferring a portion of the heat from the furnace to the chamber, means for moving the steel pieces through the chamber to preheat the steel pieces and means for conveying the steel pieces from the outlet of the chamber to the inlet of the furnace.
    Type: Grant
    Filed: November 27, 1978
    Date of Patent: July 29, 1980
    Assignee: ITOH Iron & Steel Works Co. Ltd.
    Inventor: Seigo Tabuchi