Patents by Inventor Patrick P. Shea

Patrick P. Shea 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).

  • Method using a cam for folding a seal removal tab on a collapsible tube
    Patent number: 5340421
    Abstract: The present invention is for a method and cam for folding a tab for removing a seal that has been affixed to a collapsible tube in accordance with the method shown in U.S. Pat. No. 4,938,818. A laminate removal tab is cut integral with the seal when the seal is cut, as disclosed in U.S. Pat. No. 5,209,795 and then, in accordance with the present invention, bent back over the neck after the seal is welded to the tube mouth, by means of a cam. The tab is easily lifted and grasped by the fingers to pull the seal off the mouth.
    Type: Grant
    Filed: November 18, 1993
    Date of Patent: August 23, 1994
    Assignee: Teledyne Industries, Inc.
    Inventors: Patrick P. Shea, Henry S. Darlington