D - Textiles – Paper – 21 – G
Patent
D - Textiles, Paper
21
G
D21G 3/00 (2006.01)
Patent
CA 2672556
The invention relates to a scraping apparatus for the paper industry, including a scraping blade (I) and a means (s) for supporting the scraping blade (I) with a pivot pin (e) for pivoting in relation to a tray (4) which engages with the casing (b) of the apparatus. The invention is characterised in that it includes magnetic means for exerting magnetic forces between the tray (4) or the element secured thereto and the casing (b) and means for actuating same in order to activate/deactivate the magnetic forces between the tray (4) and the casing (b). The magnetic means consist of at least one area (z) of ferromagnetic material and permanent magnets or electromagnets (1) which are fitted together or aligned in the tray (4)/casing (b) assembly.
L'invention concerne un appareil de raclage pour l'industrie papetière, du type comprenant une lame de raclage (I), un support (s) de la lame de raclage (I) présentant un axe de pivotement (e) par rapport à un plateau (4), ledit plateau (4) appuyant sur le bâti (b) de l'appareil. L'invention se caractérise en ce qu'on utilise des moyens magnétiques destinés à exercer des forces magnétiques entre le plateau (4) ou un élément fixé à celui-ci et le bâti (b), ainsi que des moyens destinés à agir sur ces moyens magnétiques en vue de l'activation/désactivation des forces magnétiques entre le plateau (4) et le bâti (b). Les moyens magnétiques se caractérisent en ce qu'ils comprennent au moins une zone (z) de matériau ferromagnétique et des aimants permanents ou électroaimants (1) disposés en association/correspondance dans l'ensemble plateau (4) et bâti (b).
Amonarriz Azcolain Jose Joaquin
Echeberria Goicoechea Jose Miguel
Amonarriz Azcolain Jose Joaquin
Echeberria Goicoechea Jose Miguel
Robic
LandOfFree
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