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Process for pre-drying textile filaments after wet treatment and device for practicing this method

  • US 20020182792A1
  • Filed: 07/12/2002
  • Published: 12/05/2002
  • Est. Priority Date: 04/30/1999
  • Status: Active Grant
First Claim
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1. Process for pre-drying textile filaments after wet treatment comprising the steps of:

  • applying a mechanical squeeze-drying action to a layer of wet filaments (3) passing by on a conveyor (4) with a permeable conveying surface, on the one hand, simultaneously with the mechanical squeeze-drying, applying a pressure difference by circulation of air through said layer (3), and recovering moisture expelled from the filaments, wherein the mechanical squeeze-drying is performed by a squeeze-drying means comprising;

    a permeable cloth guided on guide cylinders disposed above the conveyor, wherein the permeable cloth of the squeeze-drying means is driven around the guide cylinders only by being pressed against the driven conveyor, the permeable cloth being drawn toward the driven conveyor by the applied pressure difference.

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