at approximately 140 u00b0 f for two seconds thereby setting the twist of the yarn after spinning and winding application_number US 97423292 A description in accordance with this invention it has been found that an efficient process for conditioning cotton yarn can be provided which utilizes individual treatment of yarn packages a typical yarn package is comprised of a central core upon which cotton yarn is wound the core is typically cardboard but may be constructed of any material resistant to the heat pressure and temperature of the conditioning process such cores traditionally employ several shapes such as cones cheeses or cylinders it has been found that individual conditioning chambers can be used to accommodate individual yarn packages as seen in fig1 through 5 a preferred embodiment of the conditioning process and apparatus is illustrated as best seen in fig1 and 2 a yarn package 1 is supplied along a first conveyor 3 along the path indicated by the directional arrows near the terminus of conveyor 3 there is a first hydraulic piston 5 which controls the movement of an engaging arm 7 as best seen in fig3 arm 7 is used to position package 1 from the terminus of conveyor 3 to an adjacent conditioning apparatus 11 conditioning apparatus 11 is comprised of a steel platform 13 the center of which defines a plurality of openings 15 openings 15 are in communication with a vacuum source via vacuum line 17 and are in further communication with a drainage line 19 through which liquids may be removed as arm 7 places yarn package 1 over openings 15 a double walled chamber 21 is lowered by a second hydraulic piston 23 such that yarn package 1 is now positioned within the interior of chamber 21.