US 12,226,812 B2
Sheet metal plate with raised areas for creating industrial flooring with improved adhesive properties
Pablo Lorenzino, Saint Cassien (FR)
Assigned to CONSTELLIUM ISSOIRE, Issoire (FR)
Appl. No. 18/247,884
Filed by CONSTELLIUM ISSOIRE, Issoire (FR)
PCT Filed Oct. 4, 2021, PCT No. PCT/FR2021/051712
§ 371(c)(1), (2) Date Apr. 5, 2023,
PCT Pub. No. WO2022/074320, PCT Pub. Date Apr. 14, 2022.
Claims priority of application No. 2010325 (FR), filed on Oct. 9, 2020.
Prior Publication US 2023/0415210 A1, Dec. 28, 2023
Int. Cl. B21B 1/22 (2006.01); B21B 3/00 (2006.01)
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
OG exemplary drawing
 
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.