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FIBER TOW TREATMENT APPARATUS AND SYSTEM

United States Patent Application

20120213997
A1
View the Complete Application at the US Patent & Trademark Office
U.S. Department of Energy - Visit the Office of the Assistant General Counsel for Technology Transfer & Intellectual Property Website
In one embodiment, a fiber treatment system includes a rotatable nubbed roller including an axis of rotation, a surface, and a number of spaced apart nubs projecting away from the surface, the number of spaced apart nubs imparting a number of spaced apart openings in a fiber tow. In another embodiment, the fiber treatment system further includes an optionally rotatable spreader roller for flattening the fiber tow. In yet another embodiment, the loosened, but still continuous fiber tow is chopped by a downstream chopper to form short fibers with reduced tow sizes.
Wang, Chen-Shih (Troy, MI), Knakal, Charles William (Grosse Ile, MI), Dahl, Jeffrey Scott (Livonia, MI), Shah, Bhavesh Suresh (Troy, MI)
UNITED STATES COUNCIL FOR AUTOMOTIVE RESEARCH (Southfield MI)
13/ 031,360
February 21, 2011
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT [0001] The present invention was made with Government support under Department of Energy Cooperative Agreement No. DE-FC26-02OR22910. The Government has certain rights to the invention.