Patents by Inventor Frank D. Nicoll

Frank D. Nicoll 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).

  • Manufacture of continuous plastic sheets
    Patent number: 4311658
    Abstract: In the manufacture of continuous sheets or films of plastic material, especially by calendering, an improved stripping process and apparatus are disclosed whereby the degree of residual strain in such sheets and films can be controlled and production rates increased. In preferred embodiments of the process and apparatus, sheets and films of substantially uniform side-to-side texture are obtained.
    Type: Grant
    Filed: May 2, 1980
    Date of Patent: January 19, 1982
    Assignee: Tenneco Chemicals, Inc.
    Inventor: Frank D. Nicoll