Abstract:
Rapid joint system for outlet components of internal combustion engines for modelling, comprising a hose (10), a collar (20) and at least one retaining elastic ring (30,31,32), wherein said hose (10), properly orientated, can be inserted in the collar (20) and a bayonet fitting is provided, to enable the axial fixing of the hose into the collar, thanks to a rotation arch of said hose with respect to said collar.