Fastening system for a decorative valance of a roller blind and a decorative valance of a curtain provided with a fastening system

A fastening system for a decorative valance of a roller blind, in which the decorative valance is comprised of a front panel and side panels, defining an inner housing, inside which there is a rotating roller to which a band of the roller shade is coupled, the rotating roller being connected to a chain that acts on the rotating roller, the fastening system comprising:

• an anchoring element that has a first coupling region configured to be coupled to a wall or ceiling;
• and a second region provided with coupling means provided for supporting the chain of the rotating roller and guide means configured to attach one of the side panels of the decorative valance,
• wherein the anchoring element is made up of a laminar body with a central axis of symmetry that defines two symmetrical parts identical to each other, which has a first flap upon which the first region is arranged, and a second flap, folded at a right angle with respect to the first flap, upon which the second region and the coupling means and guide means are arranged;
• wherein the guide means comprise protrusions that project from each one of the sides of the second flap in a direction opposite to a direction the first flap extends from the second flap, said protrusions being configured to couple to guides arranged longitudinally on an inner face of said one of the side panels of the decorative valance;
• and wherein there are gripping means located in the second region which are configured to keep the anchoring element attached to the side panel of the decorative valance, the gripping means comprising screws that pass through through holes located on the second flap, the through holes being located on corners of the second flap.