Patents by Inventor Jun Kaimori

Jun Kaimori 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).

  • Easy open can lid
    Patent number: 7891519
    Abstract: An easy open can lid having: a panel portion, which is formed of an approximate disc shape, and in which a flange portion for fixing a can trunk is formed integrally on an outer circumference; a score line, which is formed near the periphery of the panel portion along the outer circumference of the panel portion; an opening piece, which is defined by the score line; and an opening tab, which is fixed near the periphery of the opening piece. This easy open can lid of the invention is characterized in that the score line is formed of an arcuate along periphery of the panel portion and both ends thereof are separated, and comprises a connecting portion connecting the opening piece with the panel portion, which is formed between the both ends of the score line, and a strength incrementing portion, in which a rupture strength thereof increases gradually toward the end portion of the score line.
    Type: Grant
    Filed: June 1, 2006
    Date of Patent: February 22, 2011
    Assignee: Daiwa Can Company
    Inventors: Yoshihiko Matsukawa, Wataru Hasegawa, Masahiro Shiotani, Jun Kaimori
  • Easy open can lid
    Publication number: 20070131693
    Abstract: An easy open can lid having: a panel portion, which is formed of an approximate disc shape, and in which a flange portion for fixing a can trunk is formed integrally on an outer circumference; a score line, which is formed near the periphery of the panel portion along the outer circumference of the panel portion; an opening piece, which is defined by the score line; and an opening tab, which is fixed near the periphery of the opening piece. This easy open can lid of the invention is characterized in that the score line is formed of an arcuate along periphery of the panel portion and both ends thereof are separated, and comprises a connecting portion connecting the opening piece with the panel portion, which is formed between the both ends of the score line, and a strength incrementing portion, in which a rupture strength thereof increases gradually toward the end portion of the score line.
    Type: Application
    Filed: June 1, 2006
    Publication date: June 14, 2007
    Applicant: DAIWA CAN COMPANY
    Inventors: Yoshihiko Matsukawa, Wataru Hasegawa, Masahiro Shiotani, Jun Kaimori