Method for feeding an injection material under pressure, a method for blasting using the method, a device for pressurized feeding an injection material under pressure, and a blasting device having the device
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United States of America Patent
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Issued Date -
Jan 11, 2007
app pub date -
Jul 5, 2005
filing date -
Jul 5, 2005
priority date (Note) -
Abandoned
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Abstract
To provide an injection material pressurized feeding method to stably supply a fixed quantity of an injection material without aggregation and consolidation of the injection material even if the injection material having small particle diameter is used for blasting. A fixed quantity of the injection material is introduced from the injection material tank 2 to a cylindrical pressurizing tank 11 provided between the injection material tank 2 of the blasting device 1 and a blast nozzle, and introduction of compressed stirring gas is started at a deposition part of the injection material introduced in the pressurizing tank 11 then the injection material is stirred in the pressurizing tank 11, and an inside of the pressurizing tank 11 is pressurized by starting introduction of compressed pressurizing gas from a pressurizing tank side wall 11b, thereby the injection material in the state of stirring is pressure-fed to the blast nozzle.
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