PROTECTIVE DEVICE FOR AN ELEMENT TO BE SECURED
The invention relates to a protective device (1) for an element (3) to be secured, the protective device (1) comprising a cage (2) forming a frame intended to bear on a support (4) framing the element (3) to be secured, the cage (2) comprising fixing and/or anchoring means (25) ensuring its attachment to the support (4) during use, the protective device (1) comprising, within the cage (2), at least one first shut-off means intended to shut off the element (3) to be secured, and security systems (12-18) capable of triggering in the event of infringement on the first shut-off means, the first shut-off means being reinforced with a plurality of different materials (24a, 24b).