Abstract: A method of producing a forming tool and a forming tool for forming an article. The forming tool includes a composite face sheet having a forming surface and an inner surface opposite the forming surface. A support structure is attached to the inner surface of the composite face sheet. The support structure includes a support shell of composite having a first surface facing the inner surface of the composite face sheet and having a second surface opposite the first surface. The support structure further includes distance members. The support shell is fixed at a distance from the composite face sheet by the distance members.

Abstract: A device for shaping of an article of composite material. The device includes a tool including a top surface and side surface for shaping at least one blank of composite material into an article having a predetermined profile; and a air-tight foil. The device further includes at least one support arranged to be in supporting contact with the underside of the protruding part of the blank.

Abstract: A method for manufacturing a contoured composite article. A separation distance of dividing elements of a dividing unit configured to divide a tape comprising fiber is adjusted. The tape is fed through the dividing unit to divide the tape into a plurality of inter-connected or separate, substantially longitudinal strips. The tape is laid onto a surface with an automatic tape laying apparatus.

Abstract: An aircraft structure including structural composite parts assembled together to form the aircraft structure. A bonding interlayer material bonds the structural composite parts to each other. The bonding interlayer material includes a nanostructure enhanced material. A method of producing an aircraft structure of assembled structural composite parts, being cured or semi-cured before assembly.

Abstract: A structural composite part made of pre-impregnated fiber plies. The edges of two adjacent fiber plies are connected via a longitudinal composite joint made structural by a nanostructure arranged within the composite joint. A method of producing a structural composite part made of pre-impregnated fiber plies. The edges of two adjacent fiber plies are connected via a longitudinal composite joint made structural by a nanostructure and an aircraft structure comprising such structural composite parts.

Abstract: A curved beam of fiber composite material. The beam includes a first flange curved in a longitudinal direction, a second flange curved in a longitudinal direction and having a greater longitudinal extent than the first flange, and a web curved in a longitudinal direction and extending between the first flange and the second flange. The beam includes a fiber composite laminate including layers of fibers having different fiber directions, wherein a fiber density per unit of area of the second flange is lower than a fiber density per unit of area of the first flange, and wherein the first flange, the second flange and the web are seamless, continuous, and unfolded in a longitudinal direction.

Abstract: A composite radius filler for use in an aircraft structure. The aircraft structure includes structural composite parts assembled together to form the aircraft structure. The composite radius filler is arranged between rounded sections of the structural composite parts for filling a gap formed between the structural composite parts. The composite radius filler is made structural by a nanostructure arranged within the composite radius filler for the reinforcement of the interface between the radius filler and the structural composite part. A method for producing an aircraft structure including a nano-reinforced radius filler.

Abstract: A device for shaping of an article of composite material. The device includes a tool including a top surface and side surface for shaping at least one blank of composite material into an article having a predetermined profile; and a air-tight foil. The device further includes at least one support arranged to be in supporting contact with the underside of the protruding part of the blank.

Abstract: A reflector including a reflector dish and a backing structure. The reflector dish has a reflecting surface and a back surface. The backing structure is arranged in a pattern on the back surface of the reflector dish for supporting and stiffening the reflector dish. The backing structure includes a first backing structure skin and a second backing structure skin and a backing structure core there between. The core is substantially thicker than each skin. The backing structure is arranged such that the first backing structure skin is faced against the back surface of the reflector dish. Also, a method of manufacturing a reflector.

Abstract: A method for manufacturing an elongate stiffening element and a rigid shell structure integrated with at least one elongate stiffening element. The method includes providing a preformed, form-stable reinforcement member, which has a hat profile with two inwardly directed, opposing flange portions, covering the reinforcement member with a curable composite material to form an external hat profile having outwardly directed flanges, and integrating this assembly with either a curable or preformed shell structure of composite material.

Abstract: An apparatus and a method of conforming a blank onto forming surface sections of a forming tool by drawing a first vacuum against an elastic forming medium for transmitting forming forces from the elastic forming medium to the blank. The elastic forming medium is evacuated with the first vacuum for allowing the elastic forming medium to stretch and conform the blank to the forming surface sections. The elastic forming medium includes at least one void. A second vacuum is applied to the void for achieving a stiffened section of the elastic forming medium corresponding with the location of the void and corresponding with, when the elastic forming medium after the completion lies against the forming tool having the blank in between, a forming surface section of the forming tool where the blank requires a forming force being larger than that of surrounding sections of the elastic forming medium.

Abstract: A thermoforming apparatus for forming a blank into a composite article. The thermoforming apparatus includes a forming tool. A forming member forms the blank over the forming tool. A first chamber is arranged for containing the blank. A second chamber is separated from the first chamber by the forming member. A first air circulator is configured to circulate air in the first chamber for achieving a heat distribution to the blank. The first air circulator includes a controllable valve member. The apparatus also includes a second air circulator. A method for forming a blank during circulation of air in a first chamber.

Abstract: A method of forming an article on a tool and an article. The tool has one longitudinal direction and one transversal direction. A stack of plies including fibers is arranged so that when positioned on the tool a ply arranged closest to the tool and a ply arranged furthest away from the tool have fibers substantially orthogonal to the longitudinal direction of the tool. At least one ply is arranged having the fibers substantially in a same direction as the longitudinal direction of the tool between the plies having fibers substantially orthogonal to the longitudinal direction of the tool. The stack is conformed to the tool with a forming medium. The article is removed from the tool.

Abstract: A method and device for shaping of an article of composite material. The method includes arranging a blank of composite material on a top surface of a forming tool. A portion of the blank is arranged to protrude outside the top surface of the tool. At least one support is arranged in contact with an underside of the protruding portion of the blank. An air-tight foil is arranged over the arrangement. The air-tight foil is forced towards the blank. The support is lowered until the blank is shaped over the tool. The support is stopped and/or removed. The device includes a tool including a top surface and side surface for shaping at least one blank of composite material into an article having a predetermined profile; and a air-tight foil. The device further includes at least one support arranged to be in supporting contact with the underside of the protruding part of the blank.

Abstract: A method and an apparatus for conforming a blank onto forming surface sections of a forming tool by drawing a vacuum against an elastic vacuum bag for transmitting forming forces from the elastic vacuum bag to the blank. The elastic vacuum bag includes at least one bag section having a different stiffness than other bag sections. The at least one bag section is an elongated bag section having a stiffness larger than that of surrounding bag sections. The location of the elongated bag section of the elastic vacuum bag corresponds, when the elastic vacuum bag after completion lies against the forming surface sections having the blank in between, with an elongated forming surface section of the forming tool where the blank requires a forming force being larger than that of the surrounding bag sections.

Abstract: A method for braking a vehicle is provided, wherein the vehicle includes a circuit adapted for transmitting a brake signal from an operator controlled braking element to brake devices arranged at a plurality of the vehicle's ground engaging elements via a brake fluid. The method includes detecting a fluid pressure in the circuit, using the detected fluid pressure level as an input for determining a brake power for at least one auxiliary brake in the vehicle, and controlling the auxiliary brake responsively.

Abstract: A tool assembly including a male tool including an inner shape tool including a bag having a connection connectable to a depressurization source for providing a vacuum in the bag such that beads therein form a body of firm cohesion providing the inner shape tool rigid. The male tool further includes a flexible, hollow curing support arranged around the rigid inner shape tool, the inner shape tool is arranged to be removable from the flexible, hollow curing support by rupturing the vacuum.

Abstract: A method of manufacturing a composite structure including a plurality of sheets and a radius filler. The radius filler is adapted to fill a gap at least partially formed by the sheets of the composite structure. The radius filler includes a plastic material with a first curing temperature. The sheets include a plastic material with a second curing temperature. The method includes arranging the sheets in a desired shape, applying the radius filler material into the gap, exposing the sheets and the radius filler material to the first temperature, whereby the material of the radius filler cures, and exposing the sheets and the radius filler to the second temperature, which exceeds the first temperature, whereby the material of the sheets cures. A radius filler for filling gaps between sheets of a composite structure. The material of the radius filler has a curing temperature which is below the curing temperature of the sheets of the composite structure.

Abstract: A curved beam of fiber composite material. The beam includes a first flange curved in a longitudinal direction, a second flange curved in a longitudinal direction and having a greater longitudinal extent than the first flange, and a web curved in a longitudinal direction and extending between the first flange and the second flange. The beam includes a fiber composite laminate including layers of fibers having different fiber directions, wherein a fiber density per unit of area of the second flange is lower than a fiber density per unit of area of the first flange, and wherein the first flange, the second flange and the web are seamless, continuous, and unfolded in a longitudinal direction.

Abstract: A method for fabricating a curved beam from fiber composite material. A flat fiber composite laminate including a plurality of layers and at least two different fiber directions is formed. The fiber composite laminate is disposed in contact with a male tool includes a first flange, a second flange and an intermediate web. The male tool is curved in its longitudinal direction with a radius of curvature in such a way that the first flange has a shorter longitudinal extent than the second flange. The fiber composite laminate is brought into contact with and secured to the first flange of the male tool. The male tool and the fiber composite laminate are then rotated relative to one another so that the fiber composite laminate is brought into contact with the intermediate web of the male tool in a first rotational movement, and brought into contact with the second flange of the male tool in a second rotational movement.