Roof tile with passage orifice

摘要

The tile has a base body (1) i.e. deep-drawn plastic body, comprising an aperture (7), which is surrounded by a collar (10). Detent tongues (12) are arranged on a side pointed to the aperture. The detent tongues are in connection with a window (24) of a top element (20). The collar is connected to the detent tongues. An inner part of the collar is made of plastic. The collar is secured by a system of a fastening portion (4) of the base body contour-following on a side of the collar pointed away from the aperture in sections.