Ventilation – Clean room
Patent
1994-05-02
1996-06-04
Joyce, Harold
Ventilation
Clean room
454 57, F24F 7007
Patent
active
055227678
ABSTRACT:
The apparatus for treating small items is provided with a workbench surface which is supplied with air from above from a flow space and which is sealingly surrounded by a double-wall housing. The housing forms continuously extending flow cross-sections at edges of the surface. Disposed in front of the housing wall is a partition which defines therewith the flow cross-sections and forms in the interior of the housing a deflection edge at a spacing from the workbench surface.
REFERENCES:
patent: 3745908 (1973-07-01), Mayberry
patent: 3895570 (1975-07-01), Eagleson, Jr.
patent: 4304224 (1981-12-01), Fortney
patent: 4549472 (1985-10-01), Endo et al.
patent: 5195922 (1993-03-01), Genco
patent: 5326316 (1994-07-01), Hashimoto et al.
Rertsche Thomas
Springmeier Ewald
von Stenglin Christoph
Joyce Harold
Metall + Plastic GmbH
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