Patents by Inventor Noriaki Uneda

Noriaki Uneda 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).

  • Ultrasonic sealing device for packaging material
    Patent number: 6599389
    Abstract: A belt-like film 18 is moved along a plate 15 folded to be rectangular in section, so that the film 18 is formed into a continuous tube by a tubular frame of the plate 15. A spring piece 30 having an anvil 31 bulged out therefrom is securely held on the inner side edge 16 of the aforementioned plate 15, and an ultrasonic hammer 32 is located face to face with said anvil 31, so that both side edges of the belt-like film 18 formed into a tube are placed on the anvil 31 to be melded by the ultrasonic vibration of the hammer 32.
    Type: Grant
    Filed: May 23, 2001
    Date of Patent: July 29, 2003
    Assignee: Furukawa Mfg. Co., Ltd.
    Inventor: Noriaki Uneda