Patents by Inventor Zbigniew Swierczek

Zbigniew Swierczek 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).

  • Press-on, twist-off plastisol-lined metal closure
    Patent number: 4863030
    Abstract: A plastisol-lined metal closure of the press-on, twist-off type and having improved top load resistance to permit containers capped with such closures to be packaged in open top trays, the plastisol lining having a density of at least approximately 58 pounds per cubic foot, and in a closure for a 51 millimeter container, a thickness in the container rim engaging portion thereof, before application to the container, of at least approximately 0.024 inch, a thickness in the portion thereof which engages the portion of the container finish below the threaded portion of the finish, before application to the container, of at least approximately 0.025 inch, and a thickness in the portion thereof which engages the portion of the container finish above the threaded portion, before application to the container, of no greater than approximately 0.026 inch.
    Type: Grant
    Filed: August 1, 1988
    Date of Patent: September 5, 1989
    Assignee: Anchor Hocking Corporation
    Inventors: John W. Bayer, Paul W. Dullabaun, Zbigniew Swierczek