Patents by Inventor C. Walter Burgess

C. Walter Burgess 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).

  • Cap liner and process for using cap liner to seal containers
    Patent number: 5057365
    Abstract: The present invention provides a process for hermetically sealing a container having an open top. The process of this invention employs a novel cap liner comprising a backing layer consisting of thermoplastic material, a sealing layer and a bond layer between the backing layer and the sealing layer. The process comprises the steps of: providing a cap adapted to engage the open top of a container; providing a novel cap liner of this invention; inserting the cap liner into the cap; securing the cap to the container such that the sealing layer of the cap liner contacts the container and extends across the open top of the container; and bonding the sealing layer of the cap liner to the container to produce a hermetically sealed container.
    Type: Grant
    Filed: July 12, 1989
    Date of Patent: October 15, 1991
    Assignee: 501 Tri-Seal International, Inc.
    Inventors: Harvey Finkelstein, C. Walter Burgess