Fixing device for fixing insulating synthetic material plate on wall of ceiling in building, has anchoring portion including flexible non-return wings mounted on rod, where wings extend freely along rod opposite to free perforation end

摘要

The device (10) has an anchoring portion (12) intended to be anchored in a wall, and another anchoring portion (14) opposite to the former anchoring portion and intended to be anchored in an insulating synthetic material plate, so as to fix the insulating synthetic material plate on the wall. The latter anchoring portion includes a rod (18) having a free perforation end (20), and flexible non-return wings (22, 24, 36, 38) mounted on the rod, where the wings extend freely along the rod opposite to the free perforation end.