F - Mech Eng,Light,Heat,Weapons – 24 – F
Patent
F - Mech Eng,Light,Heat,Weapons
24
F
240/92
F24F 7/00 (2006.01) F24F 3/16 (2006.01)
Patent
CA 1205788
COMBINATION LIGHTING AND FILTERING UNIT FOR A CLEAN ROOM ABSTRACT OF THE INVENTION A combination lighting and filtering unit adapted to be mounted in the ventilated ceiling structure of a clean room wherein clean air is directed downwardly into the interior of the room. The unit includes a flow-through light housing having a plurality of florescent light bulbs secured across its interior, sized to overlie and enclose one of a plurality of apertures provided in a mounting grid in the ceiling structure, and an interchangeable filter unit removably mounted in flow-through relation across the top of the housing which is also adapted to be mounted in the apertures on the grid.
426985
Allis-Chalmers Corporation
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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