Patents Represented by Attorney Eugene Renz, Jr.

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  • Bridge design for tamper evident closures
    Patent number: 5152413
    Abstract: A device for forming a closure, including first and second dies for cooperatively forming the closure. The dies come into mutual contact against both sides of an annular disc. The dies form a center hole and cooperatively operate to form a shoulder and skirt on the outer part of the closure. The annular center section and bridges are formed by action of a plurality of die stems which form a recessed dependent lip on the shoulder and which form frangible bridges connecting the lip to the central section.
    Type: Grant
    Filed: July 26, 1990
    Date of Patent: October 6, 1992
    Assignee: The West Company, Incorporated
    Inventor: William A. Conrad