Abrading – Machine – Sandblast
Patent
1993-10-25
1995-03-14
Rose, Robert A.
Abrading
Machine
Sandblast
451 89, B24C 900
Patent
active
053967380
ABSTRACT:
A system to gather particular matter in sandblasting work operates to contain, wet and lead away particles of matter when sandblasting tanks. It consists of four separately operating airtight sub-systems: a first sub-system consisting of a containing tower raised on scaffolding resting on the pavement of the tank, rising above tank bracing and extending down inside the wall of a tank; a second sub-system held against the inside of the tank wall above the roof and consisting of a mobile holding chamber moved by means of pulleys and held against the tank wall by tighteners; a third sub-system to operate on the outside of the tank roof and consisting of a holding chamber; and a fourth sub-system to operate on the inside of the tank roof and on the inside of the tank wall below the roof, and in which particles of matter are contained by the shape of the area itself that is to be sandblasted.
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Petroleo Brasileiro S.A. - Petrobras
Rose Robert A.
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