... of the special production process.2.5 Circular weld: State-of-the-art welding technology ensures ... Welding in the necks: The necks are automatically welded in the top keg halves using a special ... and bottom keg halves by special welding methods.3.8 Circumferential welding of the two keg halves: ... obtain the complete keg on fully automatic circumferential welding machines. Hygienic, smooth, narrow, flat ...