F - Mech Eng,Light,Heat,Weapons – 24 – F
Patent
F - Mech Eng,Light,Heat,Weapons
24
F
F24F 13/06 (2006.01) E04B 9/02 (2006.01) F24F 13/08 (2006.01)
Patent
CA 2433315
An air handling system adapted especially for drop ceiling grillwork employs a shroud and a grille. The grille is made of a material meeting UL Standard 94 or 181 and rests on the drop ceiling grillwork. The shroud is made of a material meeting at least UL Standard 94HB, and at least its inner surface is non- reflective to hide the shroud structure when viewed through openings in the grille. The shroud interconnects the grille openings to an air handling duct above the grillwork using the appropriate fasteners.
Discovair Llc
Ridout & Maybee Llp
LandOfFree
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