REQUIREMENTS FOR THE CONNECTION OF GAS ROLLS TO A LEGAL OR QUADRATIONAL QUARITY

摘要

The invention relates to a device for butt joining of ducts for carrying gaseous medium and having a rectangular or square cross section, wherein a profile (3) is fixed along the free end edges of a duct (1), which profile comprises: an end wall (10) standing perpendicularly on the duct wall; a flange for fixing to the duct wall, in addition to a hook-shaped member (5), the legs of which extend along the rear side of the end wall of the profile, this such that at least the mutually facing front sides of two mutually opposite hook-shaped members of ducts to be connected can be fixed to each other, wherein a deformable sealing means is arranged on the rear side of the hook-shaped member facing toward the duct wall. IMAGE