U.S. Patent and Trademark Office
The invention describes an air channel that propels heated, ionized air through a Venturi nozzle, from which it picks up powder and blows a powder-air mixture into the chamber to coat continuous fiber strands.
Manufacturing

Patent Report: Invention improves fiber-reinforced plastics

April 7, 2022
Kraussmaffei Technologies method and apparatus optimize homogenous application of powder coating to fiber strands.

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