Removable nozzle for a sandblaster handpiece

  • US 6,149,509 A
  • Filed: 04/28/1998
  • Issued: 11/21/2000
  • Est. Priority Date: 11/27/1995
  • Status: Expired due to Term
First Claim
Patent Images

1. A device for directing an abrasive-laden gas stream against a surface, which device comprises(a) a pressurized gas source,(b) a source of abrasive materials,(c) a conduit for incorporating particles from the source of abrasive materials with the pressurized gas to form an abrasive-laden gas stream,(d) a handpiece having a conduit for the abrasive-laden gas stream and a separate conduit for pressurized gas, and(e) associated with the handpiece, a nozzle head for directing the abrasive-laden gas stream against a surface, wherein the nozzle head (i) is removable from the handpiece, (ii) has a mixing chamber into which the pressurized gas and the abrasive-laden gas stream flow, (iii) has an exit orifice tube leading from the mixing chamber through which the abrasive-laden gas stream may exit to be directed against a surface, and (iv) is rotatable relative to the handpiece.

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