Abrading – Machine – Sandblast
Reexamination Certificate
2006-10-10
2006-10-10
Nguyen, Dung Van (Department: 3723)
Abrading
Machine
Sandblast
C451S090000, C451S087000
Reexamination Certificate
active
07118463
ABSTRACT:
A sand blasting machine consists of a working chest and an air compressor that are coupled together. The working chest includes a casing, a upper lid, a nozzle holding dock, a nozzle, an air discharge filter device, an actuation switch, a left glove operation means and a right glove operation means. The air compressor includes an air compressor body, a return tube and a foot frog. By means of these elements, the air compressor and the working chest are coupled together in an integrated manner. Hence carrying and transportation are easier. Sand blasting operation can be performed flexibly without site constraint.
REFERENCES:
patent: 4098033 (1978-07-01), Mann
patent: 4300318 (1981-11-01), Brown
patent: 5143102 (1992-09-01), Blaul
patent: 6004190 (1999-12-01), Trampusch
patent: 6364748 (2002-04-01), Zwicker et al.
patent: 6712677 (2004-03-01), Williams et al.
patent: 6878046 (2005-04-01), Publ et al.
Nguyen Dung Van
Troxell Law Office PLLC
LandOfFree
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