Patents by Inventor Isamu Hoshina

Isamu Hoshina 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: 4656818
    Abstract: A packaging machine is described which comprises a pair of squeezing guide rolls opposite each other and movable to and from a tubular plastic film, perpendicularly thereto; a pair of heat-sealing members located under the guide rolls and operating in the same manner; and a multi-purpose unit consisting of a compressing component, a cooling component and a cutting component. This unit is divided into two members operating similarly to the other parts of the machine. The film container, after having been charged is moved downwardly and guided first to the heat-sealing members, then to the compressing-cooling-cutting unit by drive rollers means. The displacements are effected for predetermined distances, so as to insure perfect sealing and severing of the containers.
    Type: Grant
    Filed: January 4, 1985
    Date of Patent: April 14, 1987
    Assignee: Orihiro Kabushiki Kaisha
    Inventors: Mamoru Shimoyama, Isamu Hoshina
  • Patent number: 4506494
    Abstract: A cutter is provided with a pair of squeezing rolls which is oppositely located and horizontally movable, and a pair of heat sealing means which is oppositely located under the squeezing rolls at a distance necessary for heat sealing and horizontally movable. A cutting means is provided immediately underneath the heat sealing means at a distance equivalent to the width of a sealed portion. The pair of squeezing rolls is provided with a means to intermittently rotate the rolls to move a packed bag.
    Type: Grant
    Filed: April 18, 1983
    Date of Patent: March 26, 1985
    Inventors: Mamoru Shimoyama, Isamu Hoshina