Machine and method for the manufacture of fiber material web

Details Machine and method for the manufacture of fiber material web Machine and method for the manufacture of fiber material web

D - Textiles, Paper

21

F

D21F 3/02 (2006.01) D21F 7/08 (2006.01) D21F 11/14 (2006.01)

Patent

CA 2293215

A fiber material is formed by a method in which the fiber material web to be to be dewatered is passed through a pressing gap together with a band, wherein the fiber material web to be dewatered is subjected to a pressing pressure of at most 2MPa in the pressing gap for a time duration of at least 3.5 ms. This procedure enables as high a dry content and/or specific volume to be achieved while avoiding a high investment and operating costs and produces a high quality web.

Un matériau fibreux est obtenu par une méthode dans laquelle le voile de carde à déshydrater traverse un espace de pressage avec une bande, où le voile de carde à déshydrater est soumis à une pression d'au plus 2 Mpa dans l'espace de pressage pendant au moins 3,5 ms. Ce procédé permet d'obtenir le contenu sec et/ou le volume spécifique maximal, tout en évitant un investissement important et des frais d'exploitation élevés, et produit un voile de haute qualité.

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