Abstract: The present invention relates to cutter system for an electric shaver and/or trimmer, including a pair of cooperating cutting elements, with a first cutting element and a second cutting element, a motor driving the second cutting element in a movement direction, a support structure supporting the pair of cooperating cutting elements, where a stacked sandwich arrangement is provided by the second cutting element being sandwiched between the first cutting element and the support structure.

Abstract: A shaving razor system having a handle having a first end with a top surface defining recessed surface between a pair of guide surfaces. A shaving razor cartridge is removably mounted to the first end of the handle. The shaving razor cartridge includes a housing and a blade carrier assembly. The blade carrier assembly has a blade carrier with a blade platform at a first end, a tab extending from the blade platform to a second end. The tab has a crest positioned within the recessed surface of the handle. A blade is mounted to the blade platform. The blade has a cutting edge. The tab is positioned between a pair of guide members on the housing that engage the corresponding guide surfaces of the handle.

Abstract: Vinyl tile cutting devices are described herein. The described tile cutting devices include a base element. The base element is configured to support a tile thereon. The described tile cutting devices further include a cutting assembly. The cutting assembly includes a rotatable cutting blade for cutting said tile along an arc. In some embodiments, the cutting assembly includes an adjustment mechanism for changing the radius of the arc. The vinyl tile cutting device further includes a heating element. The heating element is configured to heat said tile prior to the cutting of said tile.

Abstract: A bundle breaker has upstream and downstream breaking supports and first and second platens located above the breaking supports that are configured to be raised and lowered by actuators to selectively clamp a log between the platens and the breaking supports. A third actuator applies a shifting force to the downstream breaking support to shift an input end of the downstream breaking support relative to an output end of the upstream breaking support to break a second portion of the log from a first portion of the log. A controller controls the first actuator and the second actuator and the third actuator. Also, the controller is configured to stop or reduce the application of the shifting force in response to a determination that the second portion of the log has broken off the first portion of the log.

Abstract: Methods for producing structural materials from lumber are provided. The methods use an oxygen pre-treatment or a carbonate pre-treatment followed by densification via thermal compression to produce structural materials with strong mechanical properties. The pre-treatments are able to partially delignify the lumber without substantially adversely affecting the mechanical properties of the subsequently densified wood.

Abstract: A method for constructing and assembling a curved cabinet for a vehicle, the method comprising: using a computer numerical controlled (CNC) router on a sheet of wood; wherein the CNC router cuts out from the sheet at least one of: skins; skeleton structures; and accessory parts; fastening at least two of the skeleton structures together to create a fastened skeleton structure; heating with heat lamps and steam tubes at least one of the skins about at least one bend groove; bending the skin about the at least one bend groove to conform with the fastened skeleton structure to create a curved portion; clamping the skin and the fastened skeleton structure together near the curved portion; wherein the clamped skin and skeleton structure are fastened together with a second set of fasteners to create an imperfected cabinet; attaching the accessory parts to the imperfected cabinet to create the curved cabinet.

Abstract: A wood preforming device that manufactures a crash pad for a vehicle including a real wood sheet is provided. The wood preforming device includes a lower press mold including a debossed portion disposed on a portion of the lower press mold on which a product is to be formed, and a support portion supporting an upper press mold when the lower press mold and the upper press mold are compressed. The support portion has a fixing protrusion fixing the real wood sheet, the upper press mold has an embossed portion corresponding to the debossed portion of the lower press mold. A movable core provided on the debossed portion of the lower press mold guiding the real wood sheet by moving upward from the debossed portion when the upper press mold moves downward, and a steam module spray steam with a preset capacity to an edge portion of the debossed portion.

Abstract: A sand spreader includes a sand storage chamber. Two sand discharge ports are disposed below the sand storage chamber, and are an upper-layer staggered sand discharge port and a lower-layer sand pressing plate sand discharge port, respectively. The upper-layer staggered sand discharge port comprises a left side sand discharge plate and a right side sand discharge plate configured to intersect with each other. Horizontal staggered ports are formed in a position at the bottom of the two sand discharge plates, and vertical spacing between the staggered ports is adjustable. Also comprised is the lower-layer sand pressing plate sand discharge port, including left and right side sand pressing plates. Vertical sand discharge ports are disposed between the sand pressing plates on the two sides, and the width of the vertical sand discharge ports is adjustable, so as to further facilitate control over the amount of discharged sand.

Abstract: In a method for producing a plurality of concrete cast elements of prestressed concrete, in particular for producing of railway sleepers, in a long bed which is a multiple of the length of a concrete cast element, in which separating elements are installed in the long bed to define the length of each of the concrete cast elements to be casted, a first and a second separating element for defining the length of a concrete cast element together with a tensioning device with tensioning elements for tensioning the concrete cast element between the two separating elements are mounted in the long bed, whereupon the concrete cast element is cast between the two separating elements and is at least partially hardened in the long bed.

Abstract: Various embodiments of an adjustable mold are disclosed for forming a precast concrete top panel for a modular earth retaining wall, for example but not limited to, a modular mechanically stabilized earth (MSE) retaining wall. The adjustable mold has a support base with a top surface, bottom surface, and surrounding periphery. A plurality of rails is mounted to the support base and upstand generally perpendicular from the support base. The rails are collectively attached together to form a closed lateral side boundary with an open top designed to receive liquified concrete. The support base and rails are designed to form sides of the precast concrete top panel. The rails can be adjusted to change a geometric shape associated with the closed lateral boundary in order to enable production of different top panels having different lateral boundaries, and therefore geometries.

Abstract: A concrete mixer vehicle includes a mixer drum, a chute, and a controller. The mixer drum has an inner volume configured to hold a mixture for transportation and placement. The chute is configured to receive mixture exiting the mixer drum and direct the mixture. The controller is configured to receive a selected mode of operation of the mixer drum and the chute. The selected mode of operation is selected from a set of multiple modes of operation of the mixer drum and the chute. The controller is configured to adjust an operation of at least one of the mixer drum or the chute to cause at least one of the mixer drum or the chute to operate according to the selected mode of operation.

Abstract: The present invention provides rotatable cutting tools having washers with changing thicknesses. One side of the washer has a tapered surface that increases the thickness of the washer from the inner radius towards the outer radius, resulting in a thicker portion at the outer edge of the washer. The rotatable cutting tool may also have a bit with a tapered surface. The tapered surface of the bit may be structured and arranged to engage with the tapered surface of the washer. The rotatable cutting tool may also include a holder such that the assembled rotatable cutting tool includes the washer between the bit and the holder with the bit inserted into the holder and washer.

Abstract: The present invention relates to a method for producing a towpreg by impregnating a plurality of fiber bundles with a resin to form a single towpreg, characterized in that the method comprises providing a stock of fiber bundles for preparing a towpreg; measuring a basis weight for each of the fiber bundles of said stock before impregnation by a resin; defining groups of fiber bundles from said stock based of the fiber basis weight, thereby providing determined fiber bundles; predicting a fiber basis weight of a towpreg when the plurality of fiber bundles is combined to form the towpreg, thereby providing a predicted fiber basis weight of a towpreg; and producing the towpreg using a combination of fiber bundles from all groups of determined fiber bundles in which the predicted fiber basis weight of the towpreg is in a range determined from a target value of a basis weight of a towpreg.

Abstract: Fiber-composite parts that incorporate a very thin electrical circuit, and a method for making the parts via compression molding, are disclosed. The electrical circuit is encapsulated by a film having a melting point that exceeds the maximum temperature to which the film is exposed during compression molding. The electrical circuit is disposed in a composite ply, in a lay-up of composite plies, and electrical leads are routed through the composite plies so that the lead are accessible in the molded fiber-composite part.

Abstract: A method for making an object (2) from plastic material, having a wall (21) and a through hole (22) formed in the wall (21), comprises the following steps: preparing a dose (20) of extruded plastic material; preparing a mould (1), having a first half mould (11) and a second half mould (12), mutually movable along a longitudinal axis (A1), wherein the first half mould (11) includes a body (111) and a plunger (112), the plunger (112) being movable relative to the body (111) between a retracted position and an advanced position; positioning the dose (20); closing the mould (1) to form a closed moulding space (V); moving the plunger (112) from the retracted position to the advanced position to squeeze the dose (20) so that the plastic material is forced to occupy the moulding space (V).

Abstract: Mineral-filled polymer compositions and methods of forming such polymer compositions into a thermally stable article are provided. Methods of forming a polymeric article include providing a polymer composition comprising a crystallizable polymer, a mineral filler in an amount of more than about 15 wt-% based on the total weight of the polymer composition, and an impact modifier, wherein the polymer composition is at a temperature less than a crystallization temperature of the crystallizable polymer. The methods further include disposing the polymer composition in a mold, forming the polymer composition into an article within the mold, and releasing the article from the mold. The methods can include thermoforming the polymer composition in a mold, or injection molding the polymer composition in a molten form in a mold.

Abstract: A method for the design, manufacture, and assembly of modular lattice structures composed of cuboctahedron unit cells.

Abstract: A moving system for structures includes a linking unit located between first and second structures that can move in a first direction. A drive unit is connected to the first structure, and the first and second structures are connected. The second structure moves along the first direction when the drive unit moves the first structure along the first direction. The linking unit has a first part located on the side of the first structure and a second part located on the side of the second structure. The first and second parts line up along the first direction. The first part can shift toward the second part in a second direction different from the first direction without moving along the first direction, and the second part can shift toward the first part in the second direction without moving along the first direction.

Abstract: A molding apparatus is configured for molding a semiconductor device and includes a lower mold and an upper mold. The lower mold is configured to carry the semiconductor device. The upper mold is disposed above the lower mold for receiving the semiconductor device and includes a mold part and a dynamic part. The mold part is configured to cover the upper surface of the semiconductor device. The dynamic part is disposed around a device receiving region of the upper mold and configured to move relatively to the mold part. A molding method and a molded semiconductor device are also provided.

Abstract: A screw can be driven along an axial direction of a heating barrel and rotatable. An injection piston drives the screw along the axial direction. An injection hydraulic cylinder is partitioned into a first chamber in which pressured hydraulic oil for driving the injection piston is supplied and a second chamber from which hydraulic oil is discharged, and drives the injection piston in the axial direction by hydraulic pressure. A first oil discharge port is blocked by the injection piston when the injection piston advances to a holding pressure switching position. A second oil discharge port can discharge the hydraulic oil from the front chamber regardless of the position of the injection piston. The first oil discharge port is disposed at a position opposed to the first oil discharge port across a center axis of the injection hydraulic cylinder, and is connected to the first oil discharge port.

Abstract: A method for improving the production of a cased device (1), wherein a casing component (2) of the cased device (1) is produced, which production of the casing component (2) comprises injecting a polymer mixture (4) for creating a solid foam interior into a cavity, which cavity is formed by the casing component (2), which injecting is done by an injection apparatus (3) and which injecting is based on injection control data (5) input to the injection apparatus (3), wherein during the injection of the polymer mixture (4) into the cavity forming data (6) for describing the injection process is recorded, wherein after injecting the polymer mixture (4) into the cavity at least one image of the casing component (2) is recorded and wherein based on the forming data (6), the at least one image and the injection control data (5) a prediction model (8) for generating new injection control data (10) for inputting to the injection apparatus (3) is updated.

Abstract: A die for molding a reinforcing bar, which enables the production of a reinforcing bar having sufficient strength in a convenient and inexpensive manner, includes: a main flow channel (F1), formed in a central portion of a main body, that receives a molten thermoplastic polymer material (Rt) output from an extruder (2); at least one first sub flow channel (F2), formed in an outer peripheral portion of the main body, that receives the molten thermoplastic polymer material (Rt) and fluidly connects with an outer peripheral portion in the main flow channel (F1); and at least one second sub flow channel (F3) configured to receive reinforcing fibers (4) and fluidly connected with the main flow channel F1 upstream of a junction position of the main flow channel F1 and the at least one first sub flow channel (F2).

Abstract: Equipment of forming layering structure of plastic flooring contains: a co-extrusion unit, a first rolling mechanism, a second rolling mechanism, and a roller unit. The co-extrusion unit includes a first extruder, a second extruder, a third extruder, and a material distributor. A respective one of multiple guide tubes is defined between an opening of each of the first, second, third extruders and the material distributor, and the material distributor has multiple conduits configured to gather melted plastic materials from the first, second, third extruders, and a substrate is extrusion molded from a supply head of the material distributor. The roller unit is mounted on a support frame and includes a first delivery roller, a second delivery roller, a contact roller, two pattern rollers, a first guide roller, a second guide roller, and a third guide roller which are arranged along a horizontal direction of the support frame.

Abstract: A method for pinning the edges of an extruded polymeric mass and an edge-pinning group are described.

Abstract: A system and method for removing a wrinkle adjacent to a joint between a first surface material and a second surface material, different from the first surface material. The system and method may include directing a flow of air creating an air wall across the first surface material adjacent to the joint where the wrinkle is being removed from the second surface material; directing heat onto the wrinkle in the second surface material; and working out the wrinkle from the second surface material while the second surface material is at an elevated temperature.

Abstract: A system for producing a multiple layer material (49), comprising first and second corrugation rolls (14, 15) for providing a corrugated profile (16) having a plurality of crests (47), wherein the system further comprises first and second press rolls (21, 22) for applying a material sheet (19, 20) to crests (47) of the corrugated profile (16), and a plurality of heating members (28) arranged between the press rolls (21, 22) for welding the material sheet (19, 20) to the crests (47) of the corrugated profile (16) to form the multiple layer material (49). A guiding plate (48) is arranged between the corrugation 10 rolls (14, 15) and the heating members (28). The guiding plate (16) is arranged with a profile engaging side (50) having a plurality of crests (52) corresponding to the crests (47) of the corrugated profile (16). A cooling arrangement is provided for cooling the guiding plate (48). A method for producing the multiple layer material (49) is also disclosed.

Abstract: In an implementation, a hydraulic assembly comprising an end section of a hydraulic hose formed from a volume of material, the end section having a first outer diameter and an open end, is formed by molding a flange in the end section of the hydraulic hose, and threading an annular gasket onto the end section of the hydraulic hose between the flange and the open end of the hydraulic hose, and adjacent to the flange. The flange is formed in the volume of material, and has a second outer diameter greater than the first outer diameter. The molding of the flange may include applying heat to a mold, inserting the open end of the end section of the hydraulic hose into the mold, and thermally deforming a portion of the end section of the hydraulic hose to form the flange.

Abstract: A method of producing high modulus and strength polymer materials includes compressive rolling a semicrystalline polymer material in at least two different axial directions of the material; and axially orienting at least a portion of the compressive rolled material to a draw ratio less than the ultimate elongation or the elongation % at break of the material.

Abstract: There is provided herein a method of manufacturing a device comprising at least a first fibre using a draw apparatus, the method comprising: providing a first preform comprising a shape memory polymer to the draw apparatus; heating a first portion of the first preform; and drawing, using the draw apparatus, the heated first portion in order to form the first fibre.

Abstract: An apparatus for manufacturing a surface-layered part comprises: a main support that supports a surface layer member to be placed under a base member; a pulling device arranged at a periphery of the main support, wherein the pulling device includes a pulling member that pulls an edge of the surface layer member, which is in a position away from the edge of the base member, outward with respect to the base member; a base member clamping device that fixedly clamps the surface layer member, having been pulled outward by the pulling member of the pulling device, against the main support via the base member placed over the surface layer member; and a relieving device that separates the pulling member from the edge of the surface layer member, which has been moved outward with respect to the base member by the pulling device, to allow the edge of the surface layer member to wrap around the edge of the base member by an elastic restoring force of the surface layer member, thereby integrating them; and a control devi

Abstract: A method of forming a porous structure involves mixing a solvent with a curable material which disperses in the solvent such that the mixture has greater than 50% solvent content. The mixture is deposited on a substrate and viscosity of the mixture is increased. The curable material in the mixture is cured while a shape of the curable material is maintained by the solvent. After curing, the solvent is removed from the structure.

Abstract: A process for making a layered multi-material structural element having controlled mechanical failure characteristics. The process includes the steps of: supplying a cementitious layer and forming a polymer layer on the cementitious layer by additive manufacture such that the polymer layer has a first thickness and the cementitious layer has a second thickness, wherein the polymer layer comprises a polymer and the cementitious layer comprises a cementitious material; and allowing the polymer from the polymer layer to suffuse into the cementitious layer for a period of time to obtain a suffused zone in the cementitious layer such that the suffused zone has a third thickness that is less than half the second thickness.

Abstract: A method of additive manufacture is disclosed. The method can include providing an enclosure surrounding a powder bed and having an atmosphere including helium gas. A high flux laser beam is directed at a defined two dimensional region of the powder bed. Powder is melted and fused within the defined two dimensional region, with less than 50% by weight of the powder particles being displaced into any defined two dimensional region that shares an edge or corner with the defined two dimensional region where powder melting and fusing occurs.

Abstract: A strain sensor can include a resistor, a first electrical contact at a first end of the resistor, and a second electrical contact at a second end of the resistor. The resistor can be formed of a matrix of sintered elemental transition metal particles interlocked with a matrix of fused thermoplastic polymer particles.

Abstract: An additive manufacturing system and method for including non-printable secondary materials, such as wire, metal, ceramic, electronics, optical fibers, or other materials, within a printed object. A first layer of the printed object includes a recess sized to fit a non-printable secondary material. The non-printable secondary material that aligns with an upper surface of the first layer is inserted within the recess. A heater roller flattens the upper surface, including the non-printable secondary material, to form a flat, printable surface for a second layer. The second layer is then deposited over the upper surface of the first layer and the non-printable secondary material. The non-printable secondary material can be suspended in a tray that aligns with the printed object and drops below the upper surface of the printed object to facilitate printing of the second layer.

Abstract: A support system includes a base support to be secured in a process chamber of a production system, and includes at least one positioning element. A workpiece holder has upper and lower faces. The workpiece support has at least one first positioning device. The positioning element and the first positioning device form a pin/hole pair. A section of the pin has a first thermal expansion coefficient. A section of the hole controlling positional accuracy has a second thermal expansion coefficient. In a first alternative, the second thermal expansion coefficient is lower than the first, producing a clamping effect between the pin and hole upon temperature increase of the support system. Alternatively, the first thermal expansion coefficient is lower than the second, producing a clamping effect upon temperature increase of the support system. The invention additionally relates to a method for producing a workpiece.

Abstract: Embodiments of the present disclosure are drawn to additive manufacturing apparatus and methods. An exemplary additive manufacturing system may include an extruder, the extruder having an opening dimensioned to receive a material. The apparatus may also include an extruder output in fluid communication with the extruder, wherein the extruder output extends away from the extruder along a longitudinal axis. One or more heaters positioned along at least a portion of the extruder output may also be included, and, as the material passes through the extruder output, the one or more heaters may at least partially melt the material. The system may also include a gear pump in fluid communication with the extruder output for receiving the at least partially melted material, and a nozzle in fluid communication with the gear pump for depositing the at least partially melted material.

Abstract: A multi-material printer can include a housing that is configured to be handheld. The housing can be configured to receive first and second printable materials from respective first and second containers. A nozzle can define an outlet of the multi-material printer. At least one actuator can be configured to cause first and second printable materials from the first and second containers to flow at a respective constant rate. The multi-material printer can be configured to simultaneously extrude the first and second printable materials from the outlet. The multi-material printer can be used for fabricating a scaffold from filaments comprising the first and second materials directly within the body of a human or animal.

Abstract: Disclosed is a system for depowdering a workpiece formed from a reactive powder by an additive manufacturing process. The system includes a powder removal enclosure, an inert gas source, a sealed ultrasonic transducer, an oxygen sensor, and a controller coupled to the sealed ultrasonic transducer and the oxygen sensor. The controller is configured to perform a plurality of operations including monitoring the oxygen sensor to observe an oxygen level within the powder removal enclosure as an inert gas from the inert gas source displaces a gas environment within the powder removal enclosure, and applying electrical power to the sealed ultrasonic transducer within the powder removal enclosure to ultrasonically remove a residual amount of the reactive powder from the workpiece based on determining that the oxygen level within the powder removal enclosure is below a minimum oxygen level threshold.

Abstract: Disclosed embodiments relate to recoater systems for use with additive manufacturing systems. A recoater assembly may be adjustable along multiple degrees of freedom relative to a build surface, which may allow for adjustment of a spacing between the recoater assembly and the build surface and/or an orientation of the recoater assembly relative to an orientation of the build surface. In some embodiments, the recoater assembly may be supported by four support columns extending above the build surface, and attachments between the recoater assembly and the support columns may be independently adjustable to adjust the recoater relative to the build surface.

Abstract: Techniques are described for calibrating an optical system in an additive fabrication device using an image of the build surface within the device. These techniques allow calibration to be performed by imaging one or more calibration features generated on (or at) the build surface, which may include illuminated regions of the build surface, regions of the build surface on which solid material has been formed, and/or regions of the build surface to which energy has otherwise been directed thereby making those regions distinguishable from their surroundings. The calibration features may be produced (at least in part) by the optical system to be calibrated. The location of the calibration features within the image may be compared with the intended location of these calibration features, and corrections to the optical system determined based on any differences between the actual and intended locations.

Abstract: A path planning method based on dynamic contour offset discretization and for spatial curved-surface printing is provided. Firstly, transversal equal slicing is carried out on a target model, and single/double contours are labeled; secondly, central slicing is carried out on the model, curvature contours are discretized, feature values of contour offsets of slice layers are calculated on the basis of a surface contour curvature of the model, and dynamic offset filling for inner contours of horizontal slices is realized; then longitudinal equal slicing is carried out on the slices, and spatial discrete points of the target model are obtained; and finally, virtual double contours are constructed for the single contours, and labeling processing for the discrete points is carried out, so that a discretized three-dimensional spatial equidistant lattice of the target model is obtained.

Abstract: An electric heating pad for warming a patient. The electric heating pad may be a heated underbody support, heated mattress or heated mattress overlay. An embodiment of the heating pad includes a flexible sheet-like heating element including an upper edge, a lower edge, and at least two side edges. The heating pad may also include a shell covering the heating element and comprising at least two sheets of flexible material (e.g., two sheets may be one sheet folded over to form at least two sheets). The two sheets of flexible material may be coupled together about the edges of the heating element by a weld. The material of the two sheets may include urethane. In some embodiments, a catalyst to accelerate hydrogen peroxide decomposition is coated on or impregnated into an element within the shell, or on the interior surface of the shell.

Abstract: A fiber reinforced resin molded body; including: resin-integrated carbon fiber sheets 20 that are stacked and unified, each of the resin-integrated carbon fiber sheets 20 including a carbon fiber sheet 21 and at least one resin 23 selected from the group consisting of thermoplastic resin and thermosetting resin. The carbon fiber sheet 21 includes a unidirectional long-fiber group 21a spread and arrayed in one direction, and multidirectional fibers 22a and 22b derived from the unidirectional long-fiber group. The multidirectional fibers 22a and 22b cross carbon fibers constituting the unidirectional long-fiber group. The fiber reinforced resin molded body is a molded body of two or more stacked layers of the resin-integrated carbon fiber sheets 20, or a molded body of the resin-integrated carbon fiber sheet 20 that is stacked with a resin-integrated carbon fiber sheet including a different carbon fiber sheet.

Abstract: A thermoforming method includes forming a skin comprising a plurality of plies thermoplastic resin and fiber, securing an edge of the skin to a mandrel, heating, via a heating element, the skin to a forming temperature, moving a thermoforming apparatus with respect to the mandrel, rolling at least one roller of the thermoforming apparatus along the skin in a direction away from the clamped edge of the skin in response to the thermoforming apparatus moving with respect to the mandrel, and in response to the at least one roller of the thermoforming apparatus rolling along the skin, compressing the skin between the at least one roller and the mandrel, consolidating the plurality of plies of material, and bending the skin to conform to a shape of the mandrel. The consolidated and formed skin is then cooled and removed from the mandrel.

Abstract: Proposed are a carbon frame and a method of manufacturing the same capable of improving torsional stiffness. The method includes the steps of: (a) preparing at least two forms; (b) wrapping up the forms with vinyl sheets; (c) laminating carbon prepregs on the vinyl sheets; (d) combining the forms to put the combined forms in a mold; and (e) injecting heat and wind into the vinyl sheets.

Abstract: A method of manufacturing a thermoplastic panel may comprise: laying up a panel preform within a consolidation assembly, the panel preform comprising a plurality of plies of material comprising thermoplastic resin and fiber; generating, via a hot bond unit, a vacuum environment within the consolidation assembly; and heating, via the hot bond unit and through a heated blanket within the consolidation assembly, the panel preform.

Abstract: A method for producing a reinforcing bar by pultrusion, the method comprising the steps of: a) providing a source of fibres; b) assembling the fibres into a bundle; c) impregnating the bundle with a thermosetting resin; d) eliminating excess resin from the bundle; e) compressing the bundle in a centripetal manner; f) exposing the bundle to a radiant energy source; g) spraying particles onto a surface of the bundle; and h) exposing the bundle to radiation in order to initiate, on the surface of same, the polymerisation of the resin. The present invention also concerns a system provided with corresponding devices in order to be able to implement the method. The present invention also concerns a reinforcing bar obtained with the described method and/or system.

Abstract: A composite part layup is compacted and cured on a mandrel using one or more cauls that are sealed together and to the mandrel, creating a vacuum tight enclosure over the composite part layup.

Abstract: A device and method for preparing a locally heterogeneous smart composite material based on time-frequency regulated SAWs are provided. The method includes: mixing functional particles, a photosensitive liquid and a photoinitiator evenly; inputting periodic time-frequency regulated sinusoidal signals defined by a frequency, a duration, an interval time and a time difference to a pair of slanted-finger interdigital transducers, such that the pair of slanted-finger interdigital transducers are excited to produce corresponding standing SAWs; coupling and allowing the standing SAWs to enter a liquid tank to form a local sound field in the photosensitive liquid; forming, by the functional particles in the photosensitive liquid, a stable array distribution under the action of an acoustic radiation force of the local sound field; and turning on an UV light source for curing, thereby completing the preparation.