Patents by Inventor Mituo Naoi

Mituo Naoi 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: 5822949
    Abstract: A multiple automatic packing machine packs a material by continuously and repeatedly slitting a wide sheet-like packing material into a predetermined number of packing films fed from a take-up roll, seal-molding each of the packing films into a bag-like configuration by a vertical sealer and a lateral sealer, filling the material to be packed into each of the packing films, withdrawing each of the packing films by lowering the lateral sealer a portion equal to the length of the bag to be formed, raising the lowered lateral sealer back to a location before the lateral sealing by laterally opening the lateral sealer, and cutting a center line portion of the lateral seal of each of the packing films.
    Type: Grant
    Filed: November 22, 1996
    Date of Patent: October 20, 1998
    Assignee: Sanko Machinery Co., Ltd.
    Inventor: Mituo Naoi