Patents by Inventor Ryoichi Kawajiri

Ryoichi Kawajiri 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: 5069372
    Abstract: A carton container to be filled with liquids such as beverages, comprises a wall structure of liquid impermeable property, a liquid pouring-out device fixed to a mounting aperture of the wall structure through which device the liquid is poured out, a gas barrier layer provided in said wall structure to prevent gas within the container from passing through the wall structure to the outside, and a gas barrier film provided across the liquid pouring-out device to prevent gas within the container from escaping through the pouring-out device, the gas barrier layer and the gas barrier film being overlapped or continuous when seen in outside-to-inside direction with respect to said wall structure, whereby gas within the container does not escape to the outside even after elapse of a prolonged period of time.
    Type: Grant
    Filed: April 20, 1990
    Date of Patent: December 3, 1991
    Assignee: Dai Nippon Insatsu Kabushiki Kaisha
    Inventors: Ryoichi Kawajiri, Hiroshi Uematsu, Takahisa Kato
  • Patent number: 5027979
    Abstract: A carton container to be filled with liquids such as beverages, comprises a wall structure of liquid impermeable property, a liquid pouring-out device fixed to a mounting aperture of the wall structure through which device the liquid is poured out, a gas barrier layer provided in said wall structure to prevent gas within the container from passing through the wall structure to the outside, and a gas barrier film provided across the liquid pouring-out device to prevent gas within the container from escaping through the pouring-out device, the gas barrier layer and the gas barrier film being overlapped or continuous when seen in outside-to-inside direction with respect to said wall structure, whereby gas within the container does not escape to the outside even after elapse of a prolonged period of time.
    Type: Grant
    Filed: June 4, 1990
    Date of Patent: July 2, 1991
    Assignee: Dai Nippon Insatsu Kabushiki Kaisha
    Inventors: Ryoichi Kawajiri, Hiroshi Uematsu, Takahisa Kato
  • Patent number: 4948015
    Abstract: A carton container to be filled with liquids such as beverages, comprises a wall structure of liquid impermeable property, a liquid pouring-out device fixed to a mounting aperture of the wall structure through which device the liquid is poured out, a gas barrier layer provided in said wall structure to prevent gas within the container from passing through the wall structure to the outside, and a gas barrier film provided across the liquid pouring-out device to prevent gas within the container from escaping through the pouring-out device, the gas barrier layer and the gas barrier film being overlapped or continuous when seen in outside-to-inside direction with respect to the wall structure, whereby gas within the container does not escape to the outside even after elapse of a prolonged period of time.
    Type: Grant
    Filed: September 21, 1988
    Date of Patent: August 14, 1990
    Assignee: Dai Nippon Insatsu Kabushiki Kaisha
    Inventors: Ryoichi Kawajiri, Hiroshi Uematsu, Takahisa Kato
  • Patent number: 4788811
    Abstract: The invention relates to an apparatus for the successive production of a number of paper packages fitted with respective spouts on a part of the top end portion thereof and charged with a liquid drink. The spout includes a spout proper having a general cylindrical outer configuration and formed generally therethrough with a liquid spouting passage provisionally closed or valved, and an attaching flange permanently fixed to the root end of the spout proper. For better sanitary purposes, the spout is introduced into the open end of a semipackage from inside thereof. The spout introduction and attaching job is carried out directly before charging with liquid. Only thereafter, liquid charging-in and top-closing jobs are carried out in a sterilized atmosphere. Within the sanitary execution of these jobs, the spout introducing and sealing attachment are included for increasing the sanitary safety.
    Type: Grant
    Filed: May 13, 1987
    Date of Patent: December 6, 1988
    Assignee: Dai Nippon Insatsu Kabushiki Kaisha
    Inventors: Ryoichi Kawajiri, Masahiro Honda, Haruo Furukawa
  • Patent number: 4669640
    Abstract: A gable top carton for containing a beverage or like liquid product is diosed which comprises a boxlike body having a closed bottom and a double sloping top. The top has an aperture defined in one of its sloping sides for pouring out the contained liquid. Closing this aperture is a plastic mouthpiece of one piece construction, which is fused to otherwise watertightly attached to the edge portion of the top around the aperture. The mouthpiece includes a lid having a pull tab protruding therefrom. The lid can be torn open upon exertion of a pull on the pull tab. Preferably, the pull tab is formed integral with a hook capable of engaging the ridge of the gable top when the lid is torn open, so that the lid may be held fully open as the liquid is poured out.
    Type: Grant
    Filed: June 21, 1985
    Date of Patent: June 2, 1987
    Assignee: Dai Nippon Insatsu Kabushiki Kaisha Meiji Milk Products Company Limited
    Inventors: Michihiro Ando, Ryoichi Kawajiri, Hiroshi Uematsu