Method of manufacturing press felt, and press felt

Details Method of manufacturing press felt, and press felt Method of manufacturing press felt, and press felt

D - Textiles, Paper

21

F

D21F 7/08 (2006.01)

Patent

CA 2334357

The invention ralates to a method of manufacturing a press felt, according to which method a press felt is manufactured which has a good initial density by means a water soluble material, such as polymer, preferably polyvinyl alcohol (PVAL), applied to the texture of the press felt. Furthermore, the invention relates to a press felt comprising a body (2) and a crill layer (1) arranged thereto. Furthermore, the press felt comprises a portion of a water soluble material, such as water soluble polymer, arranged to dissolve from the texture after the initial density obtained by means of it is no longer needed.

L'invention concerne un procédé de fabrication d'un feutre de presse ayant une bonne densité initiale conférée par un matériau soluble dans l'eau, tel qu'un polymère, de préférence un polyalcool de vinyle (PVAL) appliqué sur la texture du feutre de presse. L'invention concerne en outre un feutre de presse comprenant un corps (2) sur lequel est disposée une couche de "crill" (1). Le feutre de presse comprend une partie d'un matériau soluble dans l'eau, tel qu'un polymère soluble dans l'eau, arrangé pour se dissoudre de la texture une fois la densité initiale obtenue, ledit matériau n'étant plus nécessaire.

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