Wet abrasive blasting apparatus using pressurized slurry
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United States of America Patent
Stats
-
Apr 13, 1993
Grant Date -
N/A
app pub date -
Jul 10, 1991
filing date -
Jul 24, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A blasting apparatus for blasting a pressurized slurry against a workpiece, including an enclosed pressure vessel which is adapted to contain and hold a slurry of abrasive particles and liquid, a piping branch connected to the upper part of the pressure vessel for introducing compressed air in order to pressurize the interior of the vessel, a complementary air circuit which connect the upper part of the pressure vessel with the bottom of the vessel, the circuit having a pressure modulating device which sucks compressed air from the upper part of the vessel and delivers it to the bottom of the vessel, and a blasting gun connected for receiving pressurized slurry from the pressure vessel and discharging it against a workpiece.
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