D - Textiles – Paper – 21 – D
Patent
D - Textiles, Paper
21
D
D21D 5/06 (2006.01) B07B 1/18 (2006.01) B07B 1/46 (2006.01) B21F 15/08 (2006.01) D21D 5/16 (2006.01)
Patent
CA 2238510
The present invention relates to a method of manufacturing a wire screen product and a wire screen product which is especially suitable for screening fiber suspensions of the wood processing industry. It is a characteristic feature of the method according to the invention of manufacturing a wire screen product, which is comprised of screen wires arranged crosswise respective to each other and connected with each other and of a support arrangement comprising at least one support wire that, at the first stage, the screen wire is welded by a button spot weld to the support arrangement and, at the second stage, the screen wire is welded at another point to the same support structure.
Cette invention porte sur un procédé de fabrication de crible en fils métalliques et sur un crible en fils métalliques convenant tout particulièrement au criblage de suspensions fibreuses dans le cadre de l'industrie de transformation du bois. Le procédé selon l'invention, permettant la fabrication d'un crible en fils métalliques, se caractérise par le fait que ce crible, constitué d'une part, de fils métalliques disposés en croix et reliés les uns aux autres et d'autre part, d'une structure de support comportant au moins un fil de support, est soudé, dans un premier temps à la structure de support par soudage par points à bossage et qu'il est, dans un second temps, soudé à un autre point de la même structure de support.
Ahlstrom Machinery Oy
Andritz Oy
Bereskin & Parr
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