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Abstract

The installation for the heat-setting of textile yarns comprises a tubular heating and steam-treatment chamber (1) partially filled with water and connected at its opposite ends to two tubular cooling chambers, these chambers being traversed longitudinally by a movable belt (4) conveying the yarn to be treated. The belt (4) extends at a distance (D) above the longitudinal axis (X-X') of the heating and treatment chamber (1) which is between 1/10 and 1/6 of the diameter of the chamber. The width of said belt (4) is greater than 60% of the diameter of the chamber (1), and the water level (N) in the chamber (1) is situated at more than 1/10 of its diameter beneath the longitudinal axis (X-X') of this chamber (1). Use for increasing the productivity of the installation and for improving the quality of the treated yarn.

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