Abrading – Abrading process – Utilizing fluent abradant
Patent
1996-01-16
1997-04-01
Rose, Robert A.
Abrading
Abrading process
Utilizing fluent abradant
451101, 451 99, 451100, 451 75, 239318, 239499, 239594, B24C 504
Patent
active
056160674
ABSTRACT:
In an apparatus for cleaning a workpiece with abrasive CO.sub.2 particles, a CO.sub.2 nozzle receives and expels liquid CO.sub.2 through at least one orifice sized for at least partially converting the liquid into CO.sub.2 particles. The CO.sub.2 particles are injected into a converging-diverging nozzle at a location adjacent to the throat section thereof. Pressurized air is directed into the converging section of the nozzle upstream from the throat section. The pressurized air accelerates the CO.sub.2 particles which are focused by the diverging section of the nozzle for impacting the pressure-sensitive surface of the workpiece to be cleaned.
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Dixon Richard D.
Ford Motor Company
Nguyen George
Rose Robert A.
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