A head (50), for the co-extrusion of a complex rubber profiled element, includes a lower wall (56) of cylindrical profile, a first extrusion unit (B60) having a first extrusion duct (60) divided into various sub-ducts (60-1, 60-2, 60-3, 60-4), a first profiling blade (62) defining a first shaping profile (P62) that is discontinuous, a second extrusion unit (B64) including a second extrusion duct (64) divided into various sub-ducts (64-1, 64-2, 64-3, 64-4), a second profiling blade (66) including at least one tooth (67-1, 67-2, 67-3) situated in the continuation of a divider (72-1, 72-2, 72-3), and this second profiling blade (P66) incorporating at least one third extrusion duct, each outlet of a third extrusion duct closely adjoining a tooth (67-1, 67-2, 67-3) of the second profiling blade (66), and a third profiling blade (74) defining a final shaping profile (P74).

A head (50), for the co-extrusion of a complex rubber profiled element, includes a lower wall (56) of cylindrical profile, a first extrusion unit (B60) having a first extrusion duct (60) divided into various sub-ducts (60-1, 60-2, 60-3, 60-4), a first profiling blade (62) defining a first shaping profile (P62) that is discontinuous, a second extrusion unit (B64) including a second extrusion duct (64) divided into various sub-ducts (64-1, 64-2, 64-3, 64-4), a second profiling blade (66) including at least one tooth (67-1, 67-2, 67-3) situated in the continuation of a divider (72-1, 72-2, 72-3), and this second profiling blade (P66) incorporating at least one third extrusion duct, each outlet of a third extrusion duct closely adjoining a tooth (67-1, 67-2, 67-3) of the second profiling blade (66), and a third profiling blade (74) defining a final shaping profile (P74).

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 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).

The invention relates to compositions comprising composite materials comprised of discontinuous fibers and one or more polymers and/or oligomers. The invention relates to methods of making the same. The composite materials can be in the form of compositions, composite sheets, laminates, pellets, and/or shaped composite products.

The invention relates to compositions comprising composite materials comprised of discontinuous fibers and one or more polymers and/or oligomers. The invention relates to methods of making the same. The composite materials can be in the form of compositions, composite sheets, laminates, pellets, and/or shaped composite products.

An additive manufacturing system is disclosed. The additive manufacturing system may include a matrix reservoir, a primary nozzle fluidly connected to the matrix reservoir, and a primary cure enhancer operatively connected to at least one of the matrix reservoir and the primary nozzle. The primary cure enhancer may be configured to direct a cure energy toward a tip of the primary nozzle. The additive manufacturing system may also include an auxiliary nozzle, an arm configured to mount the auxiliary nozzle at a trailing side of the primary nozzle, and a passage extending from the matrix reservoir to the auxiliary nozzle.

An additive manufacturing system is disclosed. The additive manufacturing system may include a matrix reservoir, a primary nozzle fluidly connected to the matrix reservoir, and a primary cure enhancer operatively connected to at least one of the matrix reservoir and the primary nozzle. The primary cure enhancer may be configured to direct a cure energy toward a tip of the primary nozzle. The additive manufacturing system may also include an auxiliary nozzle, an arm configured to mount the auxiliary nozzle at a trailing side of the primary nozzle, and a passage extending from the matrix reservoir to the auxiliary nozzle.

A continuous reinforcement is disclosed for use in additive manufacturing. The continuous reinforcement may include a plurality of continuous primary fibers oriented in a general axial direction of the continuous reinforcement. The continuous reinforcement may also include a plurality of secondary fibers interspersed with the plurality of continuous primary fibers and oriented generally orthogonal to the plurality of continuous primary fibers.

A continuous reinforcement is disclosed for use in additive manufacturing. The continuous reinforcement may include a plurality of continuous primary fibers oriented in a general axial direction of the continuous reinforcement. The continuous reinforcement may also include a plurality of secondary fibers interspersed with the plurality of continuous primary fibers and oriented generally orthogonal to the plurality of continuous primary fibers.