METHOD OF MANUFACTURING METAL SHEET WITH RIDGES, METAL SHEET WITH RIDGES AND CONSTRUCTIVE ELEMENT Russian patent published in 2019 - IPC B21B1/08 

FIELD: metallurgy.

SUBSTANCE: invention relates to the manufacture and use of metal sheet. In the method of manufacturing a metal sheet, a rolling mill is used which includes a working stand, and a metal sheet is produced, having on each of the upper and lower surfaces a plurality of ridges extending in the rolling direction. Method comprises a preparation step, an installation step and a molding step. At the preparation stage, calibrated rolls are prepared, each of which has many streams on the outer peripheral surface. At the installation stage, the calibrated rolls are installed in the working stand as the upper roll and the lower roll, respectively. At the molding stage, the workpiece is rolled using a rolling mill and turned into a metal sheet with ridges formed in accordance with the grooves of calibrated rolls.

EFFECT: invention provides the possibility of improving product quality and reducing production costs.

9 cl, 22 dwg, 1 tbl