The invention relates to a strut, such as fiber composite struts used in aircraft or spacecraft, which has a largest possible outer diameter within a cylindrical installation space of the strut, The invention concerns an insert connected to a fiber composite hollow structure, such as a fiber plastic composite hollow structure, where the hollow structure engages an undercut of the insert, wherein the outer region of the fiber composite hollow structure likewise has an undercut and this undercut is filled with a fiber composite jacket, such as a fiber plastic composite jacket, and the inner region of the fiber composite hollow structure has, at least in one subregion, a core connected thereto.

A fiber composite member includes an elongate main member and a fastening portion disposed at an end of the elongate main member, the fastening portion has a fastening opening for fastening the fiber composite member to a neighboring part. A reinforcement fiber bundle, which forms a fiber reinforcement of both the elongate main member and the fastening portion, has a first reinforcement fiber and a second reinforcement fiber which run substantially mutually parallel in a region of the elongate main member. A respective part of the first reinforcement fiber and the second reinforcement fiber in a transition region between the elongate main member and the fastening portion depart from a bundle profile in the region of the elongate main member and the respective parts of the first and second reinforcement fibers intersect with one another in the transition region.

Disclosed is a lashing bar of a composite material formed through filament winding to provide light weight and capacity to withstand high tensile loads, and a method of manufacturing the same. The lashing bar includes continuous fibers with high tensile strength wound around the core in the center and the exteriors of thimbles with holes and encased by a composite material, and metal parts provided in certain areas where loads are concentrated.

A hybrid metallic/composite structural component may comprise a metallic inner tube, a first lobe extending from the metallic inner tube, and a composite outer tube surrounding the metallic inner tube and the lobe, wherein a first end of the metallic inner tube extends from the composite outer tube and a second end of the metallic inner tube extends from the composite outer tube.

A metallic-composite joint fitting is provided. The fitting may comprise a frustoconical internal bearing, an internal bolt coupled within a bore of the frustoconical internal bearing, a metallic end fitting coupled to the internal bolt, wherein the metallic end fitting comprises a bearing portion disposed within the bore, a conical sleeve disposed about the frustoconical internal bearing, and an external nut coupled to the metallic end fitting and the conical sleeve.

A connector assembly includes a connector for connecting a hollow composite shaft that has been manufactured to comprise an inwardly tapered portion towards one end of the hollow composite shaft to a collar includes an insert, a collar and a tensioner. The insert is received in the tapered portion of the hollow composite shaft such that the inner surface of the tapered portion of the hollow composite shaft in use will engage with the outer tapered surface of the insert and collar includes an inner tapered surface and being sized to fit over the insert and the tapered portion of the hollow composite shaft. The tensioner is arranged, in use, to axially force the collar and the insert in opposite directions so as to exert a clamping force onto the tapered portion of the hollow composite shaft. A method of forming the assembly is also included.

A composite tubular structure is described suitable for transmitting axial loads in compression or tension. It comprises an elongate composite member 70 having a nut 50 retained in each end for forming a connection with another component. The composite member further comprises an inwardly tapered section at each end, each of which has an inner surface that follows a tapered outer surface of one of the embedded nuts. The inwardly tapered section narrows the composite member in a longitudinal direction towards one end so as to provide a constriction which retains the respective nut within. A connector 80, 84, 86 may clamp the end with a pre-load. A liner 60 may be used to support the nuts during deposition of the filaments in order to form the two inwardly tapered sections at the ends. It can allow the wall of the structure to be formed with different profiles.

A composite shaft with an end fitting mounted on an interface region on at least one end of said shaft, and a preload structure arranged to provide a biasing force to bias the composite shaft against the end fitting; wherein the preload structure is in an interference fit with the composite shaft. The preload structure is applied to the composite shaft in a subsequent operation to the mounting of the end fitting to the shaft.

A joining structure according to one embodiment of the present invention includes a first member and a second member, the first member having a hole extending along an axis direction, the second member including a shaft member, the shaft member being formed of a fiber-containing composite material and having a shape to fit in the hole, the second member being joined to the first member via the shaft member so that movement thereof in the axis direction is restricted.

A system and method for forming a strut. A strut comprises a laminated composite tube having a substantially hollow interior and a pair of longitudinal stiffeners attached to opposite sides of the laminated composite tube.