Abrading – Machine – Sandblast
Reexamination Certificate
2005-03-10
2010-06-08
Nguyen, Dung Van (Department: 3723)
Abrading
Machine
Sandblast
C451S099000
Reexamination Certificate
active
07731570
ABSTRACT:
The present invention is a micro-abrasive blasting device (55) with superior perturbation control via a plurality of delivery conduits (25) of various lengths and apertures. The user is able to individually open and close bypass conduit pinch valve (99) external to micro-abrasive blasting device (55) to affect the perturbation intensity internal to the mixing chamber (23). By selectively opening and closing flow through delivery conduits (25) it is possible to provide a more consistent perturbation rate and select the perturbation intensity internal to mixing chamber (23).
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Prepmaster User Instructions, copr 2004.
Air Abrasion Industry, copr 2003.
Linden Gerald E.
Nguyen Dung Van
Stauffer Dwight A.
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