Patents by Inventor Tetsuo Nakazato

Tetsuo Nakazato 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 sealing the heads of containers
    Patent number: 4139979
    Abstract: The apparatus for sealing the heads of containers with a biaxially oriented plastic film comprises a horizontal conveyor for conveying the containers to be sealed, and a horizontal endless belt disposed above the conveyor in parallel thereto and including a lower traveling portion adapted to be driven in the same direction as the conveyor at a speed equal to the speed of the conveyor.
    Type: Grant
    Filed: June 7, 1977
    Date of Patent: February 20, 1979
    Assignee: Sumitomo Bakelite Company Limited
    Inventors: Tetsuo Nakazato, Hiroaki Nishihara, Koichi Tokuda, Ryuzo Sukeyasu
  • Apparatus for sealing the heads of containers
    Patent number: 4035987
    Abstract: The apparatus for sealing the heads of containers comprises means for cutting out from a continuous plastic film a sealing sheet, means for folding the peripheral portion of the sealing sheet toward the outer peripheral surface of the container and means for applying hot air against the folded peripheral portion of the sheet to heat-shrink the same.
    Type: Grant
    Filed: January 23, 1976
    Date of Patent: July 19, 1977
    Assignee: Sumitomo Bakelite Company, Limited
    Inventors: Tetsuo Nakazato, Shunji Kamon, Koichi Tokuda, Keisuke Honma