Patent ID: 8210908
Filing Date: 2012-07-03
Classification: B24C

Abstract:
1. An abrasive jet system having a nozzle assembly for producing an abrasive jet, the abrasive jet system comprising: a cutting head body of the nozzle assembly including an orifice mount receiving section adapted to receive an orifice mount for retaining a jewel orifice, a mixing region positioned downstream of the orifice mount receiving section, an abrasive feed port through which abrasive moves into the mixing region, and a cutting head vent having a venting port and a venting through-hole extending outwardly from the venting port through a sidewall of the cutting head body, the venting port positioned between the orifice mount receiving section and the mixing region such that the venting port is downstream of a fluid jet exit of an orifice mount in the orifice mount receiving section during use; and an isolator mounted in the cutting head body and positioned between the venting port and the mixing region.