Patents by Inventor Tomotoshi Ouya

Tomotoshi Ouya 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 for welding a packing band of thermoplastic resin and a welded band resulting therefrom
    Patent number: 5542239
    Abstract: A packing band having a superior weld is disclosed. The band can be made of a stretched thermoplastic resin having a flat cross section. The weld is formed by overlapping ends of the band extending in the lengthwise direction thereof. The weld portion of the band includes a plurality of welded sections separated by at least one non-welded section along the lengthwise direction of the band. The welding of the packing band can be accomplished by overlapping parts of the band in a lengthwise direction thereof; melting discontinuous portions of the parts in a pattern along the length of the band parts of a melted portion, an unmelted portion and a melted portion; and then pressing the parts together so that the melted and unmelted portions of the parts contact each other and form a weld.
    Type: Grant
    Filed: April 1, 1993
    Date of Patent: August 6, 1996
    Assignee: Sekisui Jushi Kabushiki Kaisha
    Inventors: Noboru Fujii, Kenji Kawabata, Masaaki Hashi, Junji Niikura, Tomotoshi Ouya