Patents by Inventor Yoshimitu Ichikawa

Yoshimitu Ichikawa 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 automatic packing of articles capable of providing plastics packing bag with reinforced handle portion
    Patent number: 4566252
    Abstract: An improved method for the automatic packing of articles in which bag sections are successively made of tubular plastics bag material which is intermittently conveyed. Goods are charged into a bag section formed at the leading end of the bag material. Thereafter the goods-charged bag section is heat-sealed at an opening portion thereof and separated from a subsequent bag section of the bag material. In accordance with the invention, before charging the bag section with goods, a piece of reinforcing sheet is inserted in and secured to the foremost bag section to form a reinforced handle portion having an opening for suspension of the finished bag.
    Type: Grant
    Filed: March 14, 1984
    Date of Patent: January 28, 1986
    Assignee: Taiyo Shokai Co., Ltd.
    Inventors: Hideyuki Watanabe, Yoshimitu Ichikawa