MANUFACTURING PROCESS OF A METAL SHEET WITH AT LEAST ONE AREA OF INCREASED THICKNESS INTEGRATED FOR A TIGHT METALLIC JOINT, NAMELY A HEAD GASKET AND THE RESULTING SHEET

摘要

the object of the invention is a process for the manufacture of a sheet (10).metal containing at least one area of the crown, characterized in thatheincludes the following steps:- completion of at least one cuts (20) in the metal sheet (10).in order to obtain at least one shell (22).deformation and elongation and bending of the at least one shell (22).ofin order to obtain an overlap.- resolution and size of the protruding height of the at least oneshell (22) to obtain an area (24) of the crown of height h, as appropriate.