(57) A riveting gun comprises a substantially cylindrical body (4) equipped at one end
with a head (6) for gripping the rivet (8) mandrels (7) a discharge channel (44) coaxial
with the body (4) and extending between an inlet at the gripping head (6) and an opposite
outlet, leading into a container (9), pneumatic means (19,20,21,22) designed to produce
a stream of fluid that discharges rivet (8) mandrels (7) into the container (9), the
riveting gun being characterised in that the pneumatic means (19,20,21,22) comprise
shutoff means (50) for interrupting the stream of fluid.
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