US 12,466,147 B2
Pressing tool, workpiece, method for producing a pressing tool, and method for producing a workpiece
Berthold Tholen, Viersen (DE); Jorg Albrecht, Viersen (DE); and Thorsten Hagedorn, Viersen (DE)
Assigned to HUECK Rheinische GmbH, Viersen (DE)
Appl. No. 17/640,700
Filed by HUECK Rheinische GmbH, Viersen (DE)
PCT Filed Sep. 2, 2020, PCT No. PCT/EP2020/025398
§ 371(c)(1), (2) Date Mar. 4, 2022,
PCT Pub. No. WO2021/043445, PCT Pub. Date Mar. 11, 2021.
Claims priority of application No. 10 2019 124 004.2 (DE), filed on Sep. 6, 2019.
Prior Publication US 2022/0347957 A1, Nov. 3, 2022
Int. Cl. B30B 15/06 (2006.01); B44B 5/02 (2006.01); B44C 1/22 (2006.01)
CPC B30B 15/062 (2013.01) [B44B 5/026 (2013.01); B44C 1/228 (2013.01)] 14 Claims
OG exemplary drawing
 
1. A pressing tool comprising a structured pressing surface which is provided for producing, by pressing a workpiece having a structured surface wherein at least one region of the pressing surface has a peg-shaped structure with pegs protruding from the pressing surface at a height of 1 μm to 50 μm,
wherein the pegs have a density per area between 6.25×104 pegs per cm2 and 109 pegs per cm2, the height of the pegs is larger than a maximum diameter of their cross-sectional surface.