A method and an extrusion- or pultrusion device (1) for forming a profile product (2) made from a material in a production direction (Y), said device comprising: a rotating die (3), extending in a radial (R) direction and a width direction (X), having two opposite first and second side walls (5, 6) and an outer circumferential surface (4) extending in the width direction (X) there between, wherein the rotating die (3) comprises a first side portion (23) in connection to the first side wall (5) and a second side portion (25) in connection to the second side wall (6) and a mid-portion (22) extending between the first and second side portions (23, 25), and a profile definition zone (7) having a longitudinal direction (Y) coinciding with the production direction (Y), a height direction (Z) and a width direction (X) being perpendicular to the height direction (Z), comprising a through channel (8) comprising a first channel section (9) followed by a second channel section (10) downstream the first channel section (9) with reference to the production direction,
wherein the rotating die (3) is rotatable about an axis extending across the production direction (Y) and arranged to allow the outer circumferential surface (4) to, while the rotating die (3) rotates, exert a pressure onto a surface of the material when fed through the profile definition zone (7).

A system for pultruding a beam, such as a pultruded beam of natural fibers, comprises a pulling mechanism continuously pulling on a preform of yarns including a thermoplastic matrix and fibers, the pulling mechanism being downstream of the system. A sequence is provided in the system and has a pre-heating module to pre-heat the preform. A first die has a tapering channel portion heated such that the preform reaches a desired low viscosity temperature for resin in the thermoplastic matrix to impregnate the fibers. A vacuum module has a vacuum cavity to remove air from the preform exiting the first die. A second die has a tapering channel portion heated such that the preform is at the desired low viscosity temperature for resin in the thermoplastic matrix to further impregnate the fibers. A cooling module to cool the beam before the beam reaches the pulling mechanism. A system for pultruding beams is also provided.

An example method of forming a composite structure is described that includes applying a laminated charge onto an expandable pallet, moving the expandable pallet at a translation rate and relative to a die conveyor that comprises a plurality of die sections, and driving the plurality of die sections on the die conveyor at an angle relative to the expandable pallet so as to drive the plurality of die sections progressively deeper into a recess defined by the expandable pallet and shape the laminated charge into at least part of a shape of the composite structure.

A die or die assembly for forming a bundle of fibres into a rod or tube includes a body defining a passage for conducting the bundle fibres through the die from an inlet to an outlet, a constriction in the passage having an entrance shaped to form the fibres of the bundle into a desired configuration as the bundle passes through the die, and one or more conduits through which a treatment fluid e.g. steam, for curing the bundle of fibres may be introduced into the passage, and wherein at last one conduit is arranged to discharge fluid in the immediate vicinity of the entrance to the constriction to facilitate passage of the fibres through the die and reduce the risk of blockage.

A process unit and methods are disclosed. One process unit including a pultrusion unit having a pultrusion channel, with the pultrusion channel being limited by at least one shaping wall. The process unit further includes an extrusion unit having an extrusion channel and an opening for removing the extrudate out of the extrusion channel, a cutting unit having a moving cutting element for cutting off the extrudate with the moving cutting element, and a conveying device for conveying a raw extrudate from the pultrusion unit into the extrusion unit. The cutting unit comprises a component that can be caused to move in a rotational manner and the component is mechanically coupled to the cutting element by a mechanical coupling device, such that the rotational movement of the component determines the movement of the cutting element.

This device for producing a pultrusion molded article is provided with: a mold member that heats and cures an intermediate molded article as a result of the mold member contacting an intermediate molded article in which reinforcing fibers are impregnated with a thermosetting resin; a pultrusion device for extracting, in the pultruding direction, the pultrusion molded article formed by heating and curing the intermediate molded article; and a moving device for moving the mold member in the pultruding direction in synchronization with the pultrusion device.

One example provides a process unit including a conveying device to convey a hybrid yarn comprising a plurality of fibers and a matrix through a channel bounded by a base body, and a cutting unit having a component configured as a sleeve mounted about the base body, the sleeve rotatable about the base body and including a circular recess at an axial end region which is eccentrically aligned with an axis of rotation of the sleeve, and a cutting element on a slide slidably mounted to the base body and disposed within the circular recess, wherein the slide rests on a support surface of the sleeve bounding the circular recess so that, due to the circular recess being eccentrically aligned with the axis of rotation, a rotational movement of the sleeve causes translational movement of the slide and the cutting element across the channel to cut the hybrid yarn.

Provided is a fiber-reinforced resin pultruded product obtained by molding a fiber sheet, wherein the fiber sheet is a semi-preg sheet in which a thermoplastic resin serving as a matrix for the pultruded product is fused to at least a fiber surface, and, in the fiber-reinforced resin pultruded product, the fiber sheet has been pultruded, and the thermoplastic resin fills an inside of the fiber sheet and spaces between overlapping portions of the fiber sheet and is integrated with the fiber sheet. A molded product 40 is molded by converging a fiber sheet 33 and feeding the fiber sheet into a heating section 34 of a pultrusion die 37; compressing the fiber sheet while heating the fiber sheet to a temperature equal to or above the melting point or a resin flow temperature of the thermoplastic resin in the heating section 34; molding the fiber sheet in a molding section 35; cooling the fiber sheet in a cooling section 36 to obtain a pultruded product; and pulling the pultruded product out of the pultrusion die 37 using pulling rollers 38a and 38b.

A head is disclosed for use with a continuous manufacturing system. The head may have a housing configured to receive a matrix and a continuous fiber, and a diverter located at an end of the housing. The diverter may be configured to divert radially outward a matrix-coated fiber. The head may also include a cutoff having an edge configured to press the matrix-coated fiber against the diverter.

A die assembly for forming a composite gap filler, including a first die having a first portion which extends along a first central axis of the first die and has a first curved surface which has a radius which changes as the first curved surface extends about the first central axis. A second die a second portion which extends along a second central axis of the second die and has a second curved surface which has a radius which changes as the second curved surface extends about the second central axis. A third die defines a third wall member which extends about the third die and which changes in width dimension wherein with the first die abutting the second die and with the third wall member abutting the first and second dies, a closed gap is formed.