in order to receive the cutting jet in a machine to cut a sheet material by a fluid jet , the present invention provides a mobile receptacle in which this jet is destroyed by one or several counter - jets delivered by nozzles . the fluids are evacuated by a conduit of pipes . this disposition makes it possible to significantly extend the lifetime of the receptacle and authorizes the functioning of the latter regardless of the inclination of the cutting jet . stand - by parts receive the jet or counter - jets in the event of any malfunction . in addition , cooling means make it possible to eliminate the heat and mist formed by the cutting and via the impact of the jets .