Roller shutter slat, method of producing a roller shutter slat and apparatus for producing a roller shutter slat

摘要

The invention relates to a roller shutter slat (1) roll-formed from a coated aluminum strip to a hollow body profile having a male upper end (2) and a female lower end (3) for engagement with one or more other slats (1). According to the invention, at least one end (2, 3), preferably the female lower end (3), of the hollow body profile comprises a coating (4) based on a polytetrafluoroethylene (PTFE) solvent dispersion.;The invention further relates to a method and an apparatus for production of a roller shutter slat.