| CPC B21B 1/227 (2013.01) [B21B 2001/225 (2013.01); B21B 2003/001 (2013.01); B21B 2205/00 (2013.01); B21B 2261/14 (2013.01); B21B 2267/10 (2013.01)] | 15 Claims |

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1. A sheet metal plate for making flooring, said sheet metal plate having on an upper face thereof a plurality of raised patterns, each raised pattern comprising one or more protruding portion(s), said raised patterns being arranged periodically, discreetly and in orderly fashion, the height h of said raised patterns being comprised between 0.3 and 3 mm, wherein said sheet metal plate has on a lower face thereof, intended to be bonded to a support, a rough surface whose roughness Rmax is comprised between 10 μm and 250 μm.
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