Process and apparatus for the manufacture of a shoulder strap for clothing, especially a shoulder strap for brassieres

摘要

The machine according to the invention comprises a first subassembly permitting the assembly of a main ribbon on two buckles and a second subassembly for the assembly of an auxiliary ribbon. The first subassembly comprises buckle supports (55, 56), a longitudinal drawing lip (12), a welding assembly (51), and threading fingers (13, 14, 18, 25, 28). The upper assembly carrying the upper threading fingers (13, 14, 25) and the welding assembly (51) is movable in longitudinal translation on guides (58) of the frame (50), in order to bring the welding assembly (51) opposite either a cutting anvil (24) or a welding anvil (19). IMAGE