Mannesmann
/ˈmanəsmən/Engineering
noun
Attributive Designating or relating to a method of making thick-walled seamless metal tubes by drawing a heated cylinder of metal between two inclined rollers which cause it to separate and flow round a pointed mandrel aligned with its axis.
Origin
1920s; earliest use found in Journal of the Iron and Steel Institute. From the name of Reinhard M. Mannesmann, German industrialist and inventor.