Abstract: The invention relates to an apparatus for applying a viscous material (3), comprising a bell (1) having a circumferential mounting rim (8), and a feed line (2), wherein the material (3) is conveyable via a conveying means through the feed line (2) into the bell (1), wherein the bell (1) can be transported with the mounting rim (8), in a direction of mounting, over a protruding element (9), in particular a rivet head, of a component (9a), in order to encase the element (9) with the material (3), wherein in the region of the bell (1) or the feed line (2) a metering member (1) is provided, wherein in the course of an application process a flow of the material can be influenced by means of the metering member (12).

Abstract: The invention relates to an operating method for a positioning system 1, in particular for the structural assembly of aircraft, wherein the positioning system 1 comprises a plurality of positioners 2a, 2b, 2c, each of which has at least one manipulator M. The manipulators M grasp a component B and manipulate it in a synchronized manner, while it is jointly grasped by the manipulators M.

Abstract: The invention relates to an operating method for a positioning system 1, in particular for the structural assembly of aircraft, wherein the positioning system 1 comprises a plurality of positioners 2a, 2b, 2c, each of which has at least one manipulator M. The manipulators M grasp a component B and manipulate it in a synchronised manner, while it is jointly grasped by the manipulators M.