US Patent 11993876 Synthetic fiber ball

A synthetic fiber ball and method of manufacturing the same is disclosed. The fiber ball includes a plurality of fibers having a predetermined length bound together with a fastening fiber at a central core. The plurality of fibers extend outwardly from the fastening fiber at the central core to form a generally spherical shaped ball. The plurality of fibers are heat shrunk in a spinning oven from a generally cylindrical shaped fiber bundle having a predetermined diameter to form the fiber ball.