Profile assembly

A method for providing a profile assembly, the profile assembly comprising a first profile and a second profile connected on its long side to the first profile, which two profiles each have a hook strip integrally formed on their long side, wherein a hook projection of the hook strip of the first profile points in one direction and a hook projection of the hook strip of the second profile points in an opposite direction, the method comprising:

• arranging the two profiles to bring the hook strips into engagement with one another in a claw-like manner, wherein the first profile has an anchoring channel following its longitudinal extension, the anchoring channel provided by the hook strip of the first profile and comprising a bottom, and the hook strip of the second profile has a clamping strip integrally formed thereon, and
• joining the two profiles via a cold joining process using a cold forming tool to produce the profile assembly, whereby the hook strip of the second profile is secured by its hook projection and its clamping strip in the anchoring channel of the first profile by a cold joining connection, and wherein, in order to produce the cold joining connection, one of the two hook strips comprises an adjusting strip which is adjusted in the cold joining process and which is supported in the produced profile assembly by a free end face of the adjusting strip under prestress,
• whereby the hook strip of the second profile secured in the anchoring channel of the first profile is placed under prestress within the anchoring channel at two points situated opposite one another in a direction of the height of the profile assembly, with respect to adjoining portions of the first profile as a result of the cold joining connection,
• whereby an outer surface of the adjusting strip introduces pressure into the bottom of the anchoring channel due to the cold forming tool acting on a backside of the adjusting strip during the cold joining process, and as a result, the pressure is introduced via the bottom of the anchoring channel into material of the second profile within the anchoring channel such that the hook projection of the hook strip of the second profile is brought into abutment under prestress with the hook projection of the hook strip of the first profile.