
EP 3 248 477 B1 relates to an insertion device and to a rod making machine for the tobacco processing industry.
The insertion device=a trough, minimises the risk that, if a rod-shaped article, such as a filter segment, is missing in a trough of the insertion device, the suction air collapses in such a way that other rod-shaped articles arranged or picked up in the trough can no longer be held or can no longer be held precisely,