Production of a metallic vessel body used as a cooking vessel comprises pressing annular elements of a staring part against the surface of a pressing lining using a pressing roller to produce the inner contour of the body

摘要

Production of a metallic vessel body comprises pressing annular elements of a staring part against the surface of a rotational symmetrical pressing lining using a pressing roller to produce the inner contour of the vessel body. The pressing lining has protrusions or depressions on its surface.