Patents Represented by Attorney Willim T. McClain

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  • Shrinkage reduction of blow molded oriented pet bottle
    Patent number: 4260567
    Abstract: A process and apparatus for heat setting side walls of biaxially oriented thermoplastic resin containers to reduce shrinkage of the container and container treated by the process. Heating is by infrared radiation while shielding portions of the container. The apparatus comprises container handling systems to provide a fully automated system capable of being incorporated in present container production lines.
    Type: Grant
    Filed: February 26, 1979
    Date of Patent: April 7, 1981
    Assignee: Standard Oil Company (Indiana)
    Inventors: Wassily Poppe, Charles F. Craddock, Robert W. Gutekunst, Robert G. Ladd, Sue A. Mager