Patents by Inventor Touichi Isonaga

Touichi Isonaga 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).

  • Patent number: 4683031
    Abstract: A hot coke receiving device of a type having a coke bucket body which has a cylindrical or polygonal form with a discharge gate provided in the bottom thereof, and having the coke bucket turnably mounted on a bucket car, said receiving device comprising: a ring-like horizontal frame surrounding the outer periphery of the coke bucket body without contact therebetween, said frame being connected to the discharge gate by means of a pair of rods and a pair of pins; a pair of outwardly projecting trunnions disposed at opposing points on the said ring-like horizontal frame; a pair of vertical hanger beams secured at opposing positions near but apart from the positions of said trunnions; said vertical beams having a projecting block which engages with said trunnion.
    Type: Grant
    Filed: March 13, 1986
    Date of Patent: July 28, 1987
    Assignees: Nippon Steel Corp., Fujicar Manu. Co. Ltd.
    Inventors: Shoji Kutsumura, Touichi Isonaga
  • Patent number: 4681662
    Abstract: An assembly of a rotary coke bucket and a bucket car for transporting hot coke to a dry quenching facility comprising: at least three rollers arranged on the upper surface of the bucket car in a circular configuration; and a rotary arm with the rotating axis being identical to the center of the circular configuration of said rollers, said rotary arms having a both ends upward projections; driving means for rotating the rotary arm; a pair of semicircular rails, provided on each of two gate members forming the discharge gate provided on the bottom surface of the coke bucket; and a plurality of recesses formed on the bottom surface of the discharge gate members to loosely engage with the upward projections of the rotary arms.
    Type: Grant
    Filed: September 24, 1984
    Date of Patent: July 21, 1987
    Assignees: Nippon Steel Corp., Fujicar Manu. Co. Ltd.
    Inventors: Shoji Kutsumura, Touichi Isonaga