Abstract: The automatically lengthening implant includes: a body defining internally an axial housing that opens out, at one end, via a mouth and that presents, at its opposite end, a narrowing of section forming an abutment face on the body; an annular plug that is fastened to the mouth of the body and that presents a stop face facing towards the abutment face; at least one rod that is engaged through the annular plug and the body; and a split ring that is mounted on the rod and that is housed in the axial housing of the body. The abutment face and the stop face present shapes that are chamfered, one reentrant and the other projecting, such that the split ring expands on being pressed against the chamfered face of projecting shape and compresses onto the rod when it is pressed against the chamfered face of reentrant shape.

Abstract: The invention relates to a wind turbine, comprising a blade, a hub and a bearing for mounting the blade to the hub comprising an inner bearing ring and an outer bearing ring, wherein the blade is connected to the inner bearing ring or the outer bearing ring, wherein the blade comprises multiple cross holes and longitudinal holes for receiving cross bolts and longitudinal bolts respectively in its wall in a connection area where the blade is connected to the inner bearing ring or the outer bearing ring and wherein at least one longitudinal bolt is disposed within the blade wall in thickness direction of the wall.

Abstract: The invention relates to a method for manufacturing a wind turbine blade, comprising the steps of pre-manufacturing a first blade member, positioning said pre-manufactured first blade member in a joining mold and bonding said first blade member with a second blade member using a vacuum assisted infusion process so as to form an integrated blade part.

Abstract: The invention relates to a wind turbine blade for a wind turbine, having a tip end area and a root end area, and a lightning protection system, said lightning protection system comprising at least one metal foil, wherein said metal foil extends continuously from the tip end area to the root end area of the blade and wherein the metal foil is arranged in proximity to the outer surface of the blade, so that the metal foil is adapted to function as a receptor of a stroke of lightning and as a down conductor.

Abstract: A spinal implant (100) includes an anchoring part (110) adapted to be anchored to a vertebra and having first connecting elements (112), and a mounting part (120) including both an internal axial housing (151) to receive transversely a connecting rod (30), this axial housing being terminated beside the anchoring part (110) by a bottom (156), and also second connecting elements that cooperate with the first connecting elements to form a ball-joint connection between the anchoring part and the mounting part. The spinal implant includes retaining elements that are situated near the bottom of the axial housing of the mounting part that are adapted to fasten a locking member in a stationary so-called locking position in which the ball-joint connection formed by the first and second connecting elements is locked to fasten the anchoring part and the mounting part in rotation relative to each other about at least two orthogonal axes.