Patents by Inventor Haruo Furukawa

Haruo Furukawa 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: 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