E.i. Dupont De Nemours and Company

George L Vaughn

Adrian C Snyder

Ball-shaped and other rounded fiber clusters that have a density that may be controlled, as desired, with good uniformity of size and density, may be obtained from staple fiber that has been crimped mechanically, as well as from spirally crimped polyester staple fiber, by an new process and apparatus at a high throughput. The process including feeding a uniform layer of staple fiber onto a peripheral surface of a rotating main cylinder covered with card clothing and rolling the fiber into rounded clusters.

Growing community of inventors

Taylors, SC, United States of America

George L Vaughn