Method and apparatus for texturing a metal sheet or strip

Details Method and apparatus for texturing a metal sheet or strip Method and apparatus for texturing a metal sheet or strip

B - Operations, Transporting

21

B

B21B 1/22 (2006.01) B21B 3/00 (2006.01) B21B 13/14 (2006.01) B41N 3/04 (2006.01) B21B 1/38 (2006.01) B21B 13/02 (2006.01) B41N 3/03 (2006.01)

Patent

CA 2439696

There is provided a method of texturing a metal sheet or strip (8), which method comprises a plurality oF sequential texturing passes each of which is performed by passing the sheet or strip (8) between at least one pair of rollers (7), wherein at least one of each pair of rollers (7) has a textured pattern on the surface thereof and the textured patterns is transferred to the sheet or strip (8) during each texturing pass, and wherein the textured surface on the sheet or strip (8) resulting from each pass overlaps with that from the one or more other passes to form a final textured pattern. There is also provided an apparatus for texturing a metal sheet or strip (8).

L'invention se rapporte à un procédé de texturation d'une feuille ou d'une bande métallique (8). Ce procédé comprend plusieurs traitements de texturation séquentiels, chaque traitement consistant à faire passer la feuille ou la bande (8) entre au moins une paire de cylindres (7), au moins une des paires de cylindres (7) présentant un motif texturé sur leur surface. Ce motif texturé est reproduit sur la feuille ou la bande (9) lors de chaque traitement de texturation, la surface texturée sur la feuille ou la bande (8) résultant de chaque superposition de traitement avec au moins un des autres traitements afin de former un motif texturé final. L'invention concerne également un appareil de texturation d'une feuille ou d'une bande métallique (8).

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