Patents by Inventor Thomas E. Brady, Jr.

Thomas E. Brady, Jr. 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).

  • Methods for reducing post-mold shrinkage of hollow oriented polyethylene terephthalate containers
    Patent number: 4482518
    Abstract: A method is disclosed for reducing post-molding shrinkage of a hollow oriented polyethylene terephthalate container; the method including the steps of:(1) bringing a polyethylene terephthalate parison to orientation temperature,(2) blow molding the parison to provide a biaxially oriented container with larger dimensions than desired in the final container,(3) heating the blow molded container for a time and temperature sufficient to shrink the container to the desired size whereby substantially all the time-temperature dependent shrinkage is accomplished.
    Type: Grant
    Filed: February 9, 1983
    Date of Patent: November 13, 1984
    Assignee: Owens-Illinois, Inc.
    Inventor: Thomas E. Brady, Jr.