F - Mech Eng,Light,Heat,Weapons – 16 – L
Patent
F - Mech Eng,Light,Heat,Weapons
16
L
189/59
F16L 23/02 (2006.01) E04F 17/04 (2006.01) F16L 23/14 (2006.01)
Patent
CA 1263614
Air Duct Section with Form Fitted Connecting Flange A b s t r a c t Connecting flanges are form fitted in one piece with an essentially hollow profile at the end of a duct section having flat sheet metal plates. Supporting arms of the connecting flanges, which are led back to the duct wall, are folded into folding pockets which are formed from the duct wall. To attach intermediate connectors having larger duct cross-sections, the supporting arms can have outwardly extending protrusions.
505403
Meinig Manfred
Shapiro Cohen
LandOfFree
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