Wet jet blast nozzle
Patent 4815241 Issued on March 28, 1989. Estimated Expiration Date: 
November 24, 2006. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
November 24, 2006. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 773665 2594735 Abrasive or sand blast apparatus and method Patent #: 3994097 InventorAssigneeApplicationNo. 06/933803 filed on 11/24/1986US Classes:451/102, Sandblast nozzle structure239/433, Fluid streams have angular junction239/591, Including flow passage liner (e.g., wear liner)451/90Having hand-directed sandblast nozzleExaminersPrimary: Schmidt, Frederick R.Assistant: Rose, Robert A. Attorney, Agent or FirmInternational ClassesB24C 5/04 (20060101)B24C 5/00 (20060101) AbstractIn accordance with an illustrative embodiment of the present invention disclosed herein, a liquid propelled blast nozzle apparatus includes a body having first and second bores which receive, respectively, a pressurized flow of sand particles and a high pressure and high velocity flow of propulsion fluid, a nozzle assembly on the body having a third bore for directing a blast of liquid propelled sand particles onto a surface to be cleaned, the respective bores defining axes which intersect one another within the bore of the nozzle assembly, the axis of the first bore intersecting the axis of the third bore at an angle of about 31/2°, and the axis of the first bore intersecting the axis of the second bore at an angle of about 71/2°. The first and third bores preferably are lined with a suitable wear and erosion resistant material such as tungsten carbide. | |
