Butt connection between two air duct sections made of sheet...

F - Mech Eng,Light,Heat,Weapons – 16 – L

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F16L 23/00 (2006.01) F16L 23/026 (2006.01) F16L 23/14 (2006.01)

Patent

CA 2034879

A butt connection between two air duct sections made of sheet metal has two flange frames fastened to opposed ends of two duct sections. Each flange frame is L-shaped in radial section, having an outer radially extending flange leg and an inner flange leg in a duct section, each flange frame comprising a hollow into which a leg of an L-shaped intermediate connection is fitted. Each flange frame is connected to a duct section, and each is connected to the other flange frame, as by bolts, etc. The butt connection is equally applicable to duct sections which are of round, flattened oval, and rectangular cross sections, with the same flange frame shapes and essentially the same intermediate connector being usable.

Raccord bout à bout entre deux sections de conduit d'air en tôle comprenant deux brides fixées aux extrémités opposées de deux sections de conduit. Chaque bride est en forme de L dans une coupe radiale, dotée d'une partie de la bride qui s'étend vers l'extérieur dans le sens radial et d'une autre partie de la bride située à l'intérieur du conduit, chaque bride comprenant un creux dans lequel est insérée une partie d'un raccord intermédiaire en forme de L. Chaque bride est connectée à une partie du conduit, et chacune est connectée à l'autre bride, avec des boulons, etc. Le raccord bout à bout s'applique également aux conduits qui sont de coupe transversale circulaire, ovale méplate et rectangulaire, avec les mêmes formes de bride et le même raccord intermédiaire étant utilisés.

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