Patents Assigned to ECS Corp.
  • Vacuum packaging method and apparatus
    Patent number: 4754596
    Abstract: In a vacuum packaging apparatus for packaging relatively large articles, a rotary valve is provided over a turntable having a plurality of vacuum chambers at its periphery so that an amount of air is supplementarily discharged from a vacuum chamber into one of other vacuum chambers before a complete vacuum is made and that a small amount of atmospheric air is sucked into the chamber to shrink preliminarily a packaging bag before its open end is sealed.
    Type: Grant
    Filed: January 28, 1987
    Date of Patent: July 5, 1988
    Assignees: Furukawa Mfg. Co., Ltd., ECS Corp.
    Inventors: Masaru Yasumune, Junsaku Yamada