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United States Patent Application

View the Complete Application at the US Patent & Trademark Office
In one embodiment, a fiber treatment system includes a rotatable nubbed roller including an axis 5 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 10 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)
14/ 626,015
February 19, 2015
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT [0002] The present invention was made with Government support under Department of Energy Cooperative Agreement No. DE-FC26-020R22910.