RETAINING ELEMENT FOR BUILDING SHEETS

摘要

The invention relates to an elongate retaining element for building sheets, having in plane perpendicular to its direction of elongation, a head part which is substantially triangular in cross section, said head part comprising one or more movable rotationally symmetrical elements, said elements being positioned at one or more vertices of the triangle, wherein said head part comprises one or more mountings in which the elements for engaging the building sheet are mounted and in that the mountings are attached to the head part by fixing means.