Patents by Inventor Yoshimitsu Yokoyama

Yoshimitsu Yokoyama 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).

  • Device for attaching a straw to a carton container
    Patent number: 5037366
    Abstract: A straw applicator to seal an encapsulated straw to the side of a carton container which employs a rotating drum having concave sections to pick up the straw and carry it to the severing and sealing position.
    Type: Grant
    Filed: May 17, 1990
    Date of Patent: August 6, 1991
    Assignee: Gilliland Industrials Corporation
    Inventor: Yoshimitsu Yokoyama
  • Mandrel insertion mechanism in a carton container-forming device
    Patent number: 4934994
    Abstract: A method and apparatus to form tubular shaped individual cartons from a web of flat tubular material. The flat tubular material is advanced to a tube forming station whereat a portion thereof is bulged so that it can be inserted on a mandrel to maintain its shape. After insertion on the mandrel it is cut to form an individual carton separate from the web of flat tubular material.
    Type: Grant
    Filed: November 22, 1988
    Date of Patent: June 19, 1990
    Assignee: Milliken Packaging
    Inventor: Yoshimitsu Yokoyama
  • Corner-forming unit of a carton container-forming machine
    Patent number: 4908009
    Abstract: A corner forming unit of a package forming machine which employs an H-shaped guide over which the packaging material passes after it has been longitudinally sealed. A pair of rollers outside of the tube of material forms the edges of the packaging material into the H-shaped guide to form the corners of the material from which individual filled rectangular packages will be formed.
    Type: Grant
    Filed: November 22, 1988
    Date of Patent: March 13, 1990
    Assignee: Milliken Research Corporation
    Inventor: Yoshimitsu Yokoyama
  • Method of forming a parallelepiped container made of machine-glazed paper to be filled with liquid
    Patent number: 4870804
    Abstract: Method of forming a parallelepiped container from a roll of packaging material by sequentially folding and sealing the longitudinal edge of the paper material, forming corners in the web of material, cutting the material into flat tubes, sealing the bottom of the tubes on a mandrel, filling the bottom sealed tube and sealing the top of the filled tube.
    Type: Grant
    Filed: November 22, 1988
    Date of Patent: October 3, 1989
    Assignee: Milliken Research Corporation
    Inventor: Yoshimitsu Yokoyama