Patent ID: 6212736
Filing Date: 2001-04-10
Classification: D01B

Abstract:
A tube density separator for use in a cotton gin, comprising:a pipe for pneumatically conveying a supply of air having cotton and foreign material mixed therein;a generally vertical tube having a side wall, a bottom and a top, said side wall enclosing an interior space;an inlet at said bottom of said tube, said inlet configured to receive said supply of air from said pipe, a cross-sectional area of said bottom of said tube being larger than a cross-sectional area of said pipe at said inlet;an outlet at said top of said tube, said outlet configured to discharge said supply of air out of said tube;means below said inlet of said tube for receiving foreign material that drops out of said supply of air;a waste conveying air stream; andmeans connected to the receiving means for conveying the foreign material away from said tube with said waste conveying air stream.