Patents by Inventor Etsuo Shimamura

Etsuo Shimamura 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).

  • Method of sterilizing laminated packaging material
    Patent number: 5262126
    Abstract: A method for sterilizing a liquid packaging sleeve-like blank having two open ends and made of a laminated material including a paper layer, includes the steps of sterilizing the blanks by circulating a circulating unit holding a large number of blanks in a sterilizing tank which contains a sterilizing agent, to dip the blanks in the sterilizing agent, and removing the sterilizing agent by circulating another circulating unit holding the large number of blanks in a hot air drying tank in which hot air is blown, to dry the blanks.
    Type: Grant
    Filed: March 10, 1992
    Date of Patent: November 16, 1993
    Assignee: Toppan Printing Co., Ltd.
    Inventors: Etsuo Shimamura, Sukenori Ito, Yuji Kawamura, Takuya Adachi, Atsushi Yuzawa, Masaaki Takada
  • Method of sterilizing laminated packaging material
    Patent number: 5122340
    Abstract: A method for sterilizing a liquid packaging sleeve-like blank having two open ends and made of a laminated material including a paper layer, includes the steps of sterilizing the blanks by circulating a circulating unit holding a large number of blanks in a sterilizing tank which contains a sterilizing agent, to dip the blanks in the sterilizing agent, and removing the sterilizing agent by circulating another circulating unit holding the large number of blanks in a hot air drying tank in which hot air is blowed, to dry the blanks.
    Type: Grant
    Filed: May 10, 1989
    Date of Patent: June 16, 1992
    Assignee: Toppan Printing Co., Ltd.
    Inventors: Etsuo Shimamura, Sukenori Ito, Yuji Kawamura, Takuya Adachi, Atsushi Yuzawa, Masaaki Takada