Patents by Inventor Masaaki Hashi

Masaaki Hashi 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: 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
  • Patent number: 4451422
    Abstract: A polyethylene terephthalate packing band is provided which is made of a polyethylene terephthalate resin having an intrinsic viscosity of 0.90 to 1.20 and has been longitudinally stretched to an overall draft of 3 to 6 times. There is also provided a packing band of the above construction in which the longitudinal orientation of the resin molecules has been randomized by embossing. There is further provided a method by which the above-mentioned packing band is efficiently manufactured.
    Type: Grant
    Filed: April 28, 1982
    Date of Patent: May 29, 1984
    Assignee: Sekisui Jushi Kabushiki Kaisha
    Inventors: Ryosuki Yui, Ketsuke Kume, Masaaki Hashi, Junji Niikura