Patents by Inventor Masashi Mamura

Masashi Mamura 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: 4358920
    Abstract: A wrapping device in which two rotating drums (18, 20) of identical circumferential velocities are arranged symmetrically and one of the rotating drums (18) is provided around its circumference with a number of recesses (36) adapted to receive the sheet articles from an open bottom (32) of the hopper (16) in which a number of the sheet articles are stored in superposition whereas the opposite rotating drum (20) is provided around its circumference with a number of receivers (78) which first hold the wrapping paper and then catch the sheet article transmitted from the rotating drum (18), so that the wrapping operation is continuously performed by the synchronous rotation of the wrapping drums (18, 20) with folding of the wrapping paper.
    Type: Grant
    Filed: June 4, 1980
    Date of Patent: November 16, 1982
    Assignee: Lotte Co., Ltd.
    Inventors: Kiyoshi Kanai, Masashi Mamura