Patents by Inventor Carl L. Buchanan

Carl L. Buchanan 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).

  • Web dryer apparatus having ventilating and impingement air bar assemblies
    Patent number: 5105562
    Abstract: A ventilating and impingement air bar assembly for floatingly suspending a running web and comprising a direct impingement air bar for directing air directly against the coated side of the running web, a dilution air bar mounted along each side of the impingement air bar and in parallelism therewith. The dilution air bars have an air nozzle slot directed generally parallel to and along the web and in a direction away from the direct impingement air bar. The dilution air bars also have a coanda corner over which the air from the slot is directed away from the web. An air supply is provided for supplying air selectively to the impingement air bar or to the dilution air bars.
    Type: Grant
    Filed: December 26, 1990
    Date of Patent: April 21, 1992
    Assignee: Advance Systems, Inc.
    Inventors: Terry A. Hella, Carl L. Buchanan