Joining process for hollow strip and coupling or flange element, involving pressing two parts together so that projection on one fits in groove in other

摘要

The joining process involves fitting a projecting ridge (44) on one part (22) in a corresponding receiving groove (38) in the other part (46) by pressing it in using a tool to deforming under pressure along the longitudinal axis and then deforming the wall sector (28a) of the first part in the axial direction.