Papermaking screen

Details Papermaking screen Papermaking screen

D - Textiles, Paper

21

F

D21F 1/10 (2006.01) D21D 5/16 (2006.01) E02B 5/08 (2006.01)

Patent

CA 2194107

A papermaking screen of the invention is formed of first and second annular supporting members having a plurality of first and second recesses, and space holding members fixed to the first and second annular supporting members to establish a predetermined distance therebetween. In the invention, one or more elongated member groups having a plurality of elongated members are disposed between the first and second annular supporting members. The elongated members are disposed in the recesses and arranged parallel to each other to form a space between two elongated members situated adjacent to each other. Also, one or more intermediate supporting members may be situated between the first and second annular supporting members. The elongated member group may be situated between the first and second annular supporting members, between the intermediate supporting members, and between the intermediate supporting member and the first or second annular supporting member. The papermaking screen having good performance can be manufactured easily.

Toile pour la fabrication du papier, comprenant un premier et un deuxième dispositifs d'appui annulaires sur lesquels se trouvent plusieurs rainures et des pièces d'espacement fixées sur les deux dispositifs d'appui annulaires en vue de les maintenir à une distance déterminée. Un ou plusieurs ensembles composés de pièces allongées sont placés entre les deux dispositifs d'appui. Les pièces allongées sont parallèles et espacées les unes par rapport aux autres et se logent dans les rainures. En outre, un ou plusieurs dispositifs d'appui intermédiaires peuvent être placés entre le premier et le deuxième dispositif d'appui. Un ensemble de pièces allongées peut être placé entre le premier et le deuxième dispositif d'appui annulaire, entre les dispositifs d'appui intermédiaires et entre les dispositifs d'appui intermédiaires et le premier ou le deuxième dispositif d'appui. La présente toile donne de bons résultats et peut être fabriquée facilement.

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