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US 6,884,158 B1Granted
Placing unit for a human being
AssigneeBiometron AB
InventorsTomas Blomqvist, George Kinigalakis, Per Hvåss
Life of this patent
Estimating the term…
Abstract
In a dentist's surgery, a treatment room, and premises where different chemicals are handled or where welding or soldering is performed there are a number of pollutants. In accordance with the invention, these pollutants are removed by an endless air-jet circuit (5), which during its course passes a treatment locus as well as a filter.
Claims1
A placing unit, comprising:
- a work table having a support base and a non-perforated work surface having a plurality of airflow slots in a middle portion thereon, a peripheral edge, a plurality of airflow slots on said peripheral edge,
- an emitting unit supported above said work surface, said emitting unit having a plurality of vanes for providing a laminar airflow through said plurality of airflow slots on said work surface and said plurality of airflow slots on said peripheral edge, a filter screen disposed on said emitting unit,
- a filter unit,
- a suction tube having a first end and a second end, said first end of said suction tube is operatively connected to said filter unit, and said second end of said suction tube is operatively connected to said plurality of slots on said work surface and said plurality of slots on said peripheral edge.
1 more element
Dependencies are inferred from the claim text.