Abstract: The invention concerns a method for preparing an adhesive composition using an extruder having at least two rotating screws, successively comprising: feeding a plasticizer into the extruder; degassing the plasticizer in the extruder; feeding a silylated prepolymer and mixing the latter with the plasticizer in the extruder; and discharging the mixture from the extruder.

Abstract: The installation is for producing a coextruded profiled element for tires that is made from rubber compounds of different compositions. The installation includes at least one first extruder having a screw with a longitudinal axis and at least one second extruder having a screw with a different longitudinal axis. An extrusion head is connected to each of the extruders by appropriate ducts. The feed inlet of each extruder is connected to the delivery orifice of a gear pump.

Abstract: Disclosed is a device for handling plastic parisons with a storage device which serves for storing a plurality of plastic parisons and with at least one transport device which transports the plastic parisons along a predetermined transport path from the storage device to a processing device. At least one portion of the storage device and/or of the transport path is enclosed by a housing device and an application device is provided which applies a flowable and in particular gaseous medium to an interior of this housing device.

Abstract: A blow mold includes: a pair of movable molds for forming engagement grooves of a container body; and advancing/retreating mechanism units for advancing and retreating the movable molds between a standby position and a molding position. The advancing/retreating mechanism units are equipped with drive shafts to which the movable molds are fixed and which are rotatably supported with respect to a cavity mold; actuator devices which each have a linear-motion shaft capable of advancing and retreating in a direction orthogonal to the drive shaft and which are each swingably provided with respect to the cavity mold; and link members each having an end side fixed to the drive shaft outside the cavity mold and an opposite end side coupled to the linear-motion shaft.

Abstract: The device comprises at least one forming and wrap-around labeling assembly (60) suitable for taking up an active configuration in which said assembly has a forming chamber (36) and a looping chamber (46), which chambers are in axial alignment and communicate with each other via an annular passageway (62) provided through the end wall of the forming chamber. The assembly is further provided with a pusher member (66) configured to push a wrap-around label (27) that is looped in the looping chamber into the forming chamber. At least one portion (36C?) in the forming chamber (36) flares going away from the end wall (36B) of the forming chamber and the pusher member is configured to expand radially while pushing the wrap-around label (26A) into said flared portion (36C?) of the forming chamber (36).

Abstract: A method of folding edges of trim parts includes the following steps. Place an inner surface of a substrate against a panel support so that an upper end of the substrate is disposed above a top end of the panel support. Press a backup blade against an outer surface of the substrate beneath the upper end of the substrate. A folder tool of an edge folding apparatus is urged against the inner surface of the upper end of the substrate in a horizontal direction which laterally folds the upper end 96 of the substrate. Remove the backup blade from the outer surface of the substrate. Then urge the folder tool of the edge folding apparatus against the inner surface of the substrate in a vertical direction and downwardly folding the upper end 96 of the substrate.

Abstract: Provided is an apparatus that is able to take preform and create a swept rotor blade in a continuous manner. The apparatus has a feeder frame across which the preform moves in a first direction. A main frame moves with respect to the feeder frame and moves the preform in a second direction that is different than the first direction. In order to avoid wrinkles forming in the preform during the creation of the swept rotor blade a tension component may be applied to a feed angle in order to form the shear angle for deformation.

Abstract: A system and method are provided for conditioning paint roller cover fabric inline in a continuous paint roller manufacturing process. The system and method provide an inline fabric conditioning unit upstream of the point in the process that the paint roller fabric cover strip is wrapped about the outer side of the outer strip, the fabric conditioning unit including a fabric conditioning device that conditions the paint roller fabric cover strip as it is being fed towards the outer side of the outer strip. The fabric conditioning unit may be used to perforate the fabric, to remove loose fibers from the fabric side of the paint roller fabric cover, to buff the paint roller fabric, and to orient the paint roller cover fibers.

Abstract: A transparent article is disclosed that includes a transparent base material. A main surface of the transparent base material includes a rough surface portion that is roughened. The rough surface portion has a root mean square height Sq of 0.08 ?m or less and a mean width RSm of roughness curve profile elements of 20 ?m or less.

Abstract: Disclosed are a gear product having an enhance deposition surface and a deposition system for manufacturing the gear product. The gear product having a reinforced deposition surface according to the present disclosure includes: teeth in which valleys and crests are successively famed along an outer or inner circumference of a cylindrical body having a central rotation shaft; and a reinforced deposition layer, which is formed by radiating a laser beam in a coaxial nozzle system to be directed to the teeth and injecting powdered materials to be in contact with a radiation axis of the laser beam around the radiated laser beam such that the powdered materials are melted and integrated with a surface of the teeth.

Abstract: An expansion apparatus includes: a first expander for irradiating with electromagnetic waves emitted from a lamp a thermal conversion layer for conversion of the electromagnetic waves to heat, to cause at least a portion of a thermal expansion layer to expand, the thermal conversion layer being laminated to a molding sheet including a base and the thermal expansion layer laminated to a first main surface of the base; and a second expander for causing expansion of a region (C) of the thermal expansion layer that is smaller in size than a region (B) of the thermal expansion layer expanded by the first expander.

Abstract: An apparatus and a method for fabricating a magnetic material with variable magnetic alignment are disclosed. For example, the apparatus includes a reservoir storing magnetic particles, a heater coupled to the reservoir to melt the magnetic particles, a nozzle coupled to the reservoir to receive the magnetic particles that are melted, wherein the nozzle includes a rotatable collar that includes at least one magnet, a platform below the nozzle to receive the magnetic particles that are melted that are dispensed by the nozzle, and a controller communicatively coupled to the heater, the nozzle, and the platform to control operation of the heater, the nozzle, the rotatable collar of the nozzle, and the platform.

Abstract: A photocurable composition for three-dimensional stereolithography which has a lower viscosity and from which a cured product having a high refractive index is obtained, and a three-dimensional object formed by using the composition. The composition is a photocurable composition for three-dimensional stereolithography containing a fluorene monomer, a carbazole monomer, a diluent monomer, and a photopolymerization initiator, the carbazole monomer being contained in an amount of less than 30 wt % with respect to the total amount of the fluorene monomer and the carbazole monomer, and the diluent monomer being contained in an amount of at least 20 wt % with respect to total solids.

Abstract: A method of making a three-dimensional object (31) is carried out by: (a) providing a carrier (15) and an optically transparent member (12) having a build surface, the carrier (15) and the build surface defining a build region therebetween, the optically transparent member (12) carrying a polymerizable liquid (21); (b) advancing the carrier (15) and the optically transparent member (12) away from one another to draw the polymerizable liquid (21) into the build region; then (c) optionally, partially retracting the carrier (15) and the optically transparent member (12) back towards one another; and then (d) irradiating the build region with light to form a growing three-dimensional object (31) from the polymerizable liquid (21); and then (e) cyclically repeating steps (b) to (d) while maintaining a continuous liquid interface (22) between the growing three-dimensional object (31) and the optically transparent member (12) until at least a portion of the three-dimensional object (31) is formed, while during at le

Abstract: Method for calibrating an irradiation device for additively manufacturing three-dimensional objects by successive layerwise selective irradiation and consolidation of layers of a build material which can be consolidated by means of an energy beam, which irradiation device comprises a first and a second irradiation unit adapted to guide a first and a second energy beam, wherein at least two first and two second calibration patterns are generated, wherein the at least two first calibration patterns are generated in at least two different first positions via the first energy beam and the at least two second calibration patterns are generated in at least two different second positions via the second energy beam and position information are determined relating to the positions of the at least two first and second calibration patterns and calibration information are generated relating to a calibration status of the irradiation device based on the determined position information.

Abstract: Provided are systems and methods for additive manufacturing, which systems and methods yield parts having improved interlayer adhesion. In the disclosed technology, additional heating steps are applied on the upper surface of the already printed workpiece so as to offset the dropping temperature of that surface during part fabrication. These heating steps elevate the temperature of the surface to a value that results in a molten interface with subsequently-applied build material, leading to improved interlayer adhesion. This technology is applicable to a variety of additive manufacturing processes, including but not limited to selective laser sintering, fused filament fabrication, and large format additive manufacturing approaches.

Abstract: A method of manufacturing a part includes printing a layer of 3D printable material, positioning a layer of interlay material on the layer of 3D printable material, and printing another layer of 3D printable material on the layer of interlay material. A manufactured part includes a base layer of 3D printable material and a plurality of pairs of alternating layers disposed on the base layer of 3D printable material. Each pair of the plurality of pairs includes a layer of interlay material and another layer of 3D printable material printed on the layer of interlay material. The layers of interlay material provide at least one property to the manufactured part not provided by the layers of 3D printable material.

Abstract: The invention relates to additive manufacturing systems and methods using thermally cross-linkable materials. The thermally cross-linkable material includes at least one thermally cross-linkable polymeric material and an amount of at least one electromagnetic energy susceptor therein. A system with at least one print head and an electromagnetic energy generator is provided to produce electromagnetic energy in the area of the thermally cross-linkable material after being dispensed from the print head. This causes heating of the electromagnetic energy susceptor to cause curing of the thermally cross-linkable material.

Abstract: Provided are methods for making shaped fluoropolymer by additive processing using fluoropolymer particles, polymerizable binder and extraction with supercritical fluids. Also provided are 3D printable compositions for making shaped fluoropolymer articles and articles comprising a shaped fluoropolymer.

Abstract: Examples relate to a 3D printer capable of positioning a printhead relative to a spittoon disposed within a maintenance region of the 3D printer, ejecting printing fluid from the printhead onto the spittoon, and positioning a moveable heat source proximate to the spittoon to evaporate printing fluid from the spittoon.

Abstract: An additive manufacturing device includes a table that supports an additive manufactured object, and a manufacturing unit including a first nozzle that is movable with respect to the table and a second nozzle that is movable with respect to the table and also movable with respect to the first nozzle. The manufacturing unit discharges powder from at least one of the first nozzle and the second nozzle, and emits an energy beam from at least one of the first nozzle and the second nozzle to melt or sinter the powder to additively manufacture the object supported on the table.

Abstract: Disclosed are a system for and a method of manufacturing a three-dimensional (3D) structure. The method may include injecting a fluid with a first pressure toward a surface of a first output layer to form a softening layer in the first output layer, injecting the fluid with a second pressure toward the softening layer to form an uneven structure in the softening layer, the second pressure being higher than the first pressure, and forming a second output layer on the softening layer with the uneven structure.

Abstract: A printing apparatus is for printing a three-dimensional object. The apparatus includes a frame configured to rotate about an axis; an operative surface mounted to the frame; a powder dispenser mounted to the frame, the powder dispenser being configured to deposit at least one powder layer onto the operative surface; and an energy source mounted to the frame for emitting at least one energy beam onto the powder layer. Rotational movement of the frame causes the operative surface to exert a centripetal force on the powder layer for securing the powder layer on the operative surface.

Abstract: Systems and methods that prevent oxygen inhibition of a light-initiated polymerization reaction by purging the oxygen from reaction surfaces using inert gas flow. In some embodiments, oxygen is purged using a gas diffusion system that introduces, via a diffuser, an inert gas into a workspace between a UV light source and a UV curable layer of a workpiece. The diffuser may be made of a transparent or diffuse material to allow UV light to pass through it, and includes an array of micro-holes for the gas to pass through towards the workpiece. The inert gas flow may be heated to maintain a desired and uniform reaction temperature.

Abstract: The three-dimensional object precursor treatment agent composition according to the present invention is for removing, from a three-dimensional object precursor having a support material and a modeling material, the support material, and contains an alkali metal hydroxide, an anionic emulsifier, and water. The three-dimensional object precursor treatment agent composition according to the present invention can remove the support material more quickly and sufficiently than in the prior art. Also, provided is a method for producing a three-dimensional object by an inkjet ultraviolet light curing technique using the three-dimensional object precursor treatment agent composition.

Abstract: The present invention relates to apparatuses for distributing build powder in powder-layer three-dimensional printers (2) and for the collection of particulates of the build powder that have become suspended in the gaseous atmosphere in the vicinity of the build platform of the three-dimensional printer. These apparatuses include recoaters (20) that are particularly useful in providing uniform distribution of fine build powder across the width of the build platform or powder bed. The present invention also includes powder-layer three-dimensional printers (2) which comprise such apparatuses for distributing build powder and/or apparatuses for collecting such suspended particulates. The improved fine powder recoater (20) uses an ultrasonic transducer (30) to move powder through a sheet screen (28). The sheet screen (28) may be presented to the powder fed onto it in a narrow dispensing slot to limit the flow rate of powder from the dispenser and to provide control over the amount of powder dispensed.

Abstract: Devices that use additively-manufactured connectible unit cells are described in which each unit cell comprises materials and voids. The materials occupy a certain volume of the unit cell with the voids occupying the balance of the volume. The unit cells form a lattice structure, which exhibits smooth transitions between each of the adjacent unit cells. The lattice structure exhibits periodicity along one (1), two (2), or all three (3) dimensions. The materials have a thickness that is a function of the material location within the device.

Abstract: A shaping system for shaping a stereoscopic shaped object, the shaping system including a shaping device serving as a shaping portion and a control PC serving as a shaping controller. At a time of shaping a shaped object, the shaping device further forms a support layer that supports at least a part of the shaped object being shaped, and the control PC predicts a support layer removal time which is a time required for removing the support layer after formation of the shaped object and the support layer in the shaping device is completed.

Abstract: A plastic welding machine for welding plastic parts together is capable of controlling the weld force vector in both magnitude and direction.

Abstract: An apparatus for thermoplastic welding includes at least one tool configured to support first and second thermoplastic composite parts in a first welding position having one or more joint lines between the first and second thermoplastic composite parts. The tool includes a plurality of induction coils. The apparatus further includes a susceptor removably positioned along the one or more joint lines. The susceptor is configured to heat the one or more joint lines when exposed to a magnetic flux generated by the plurality of induction coils to bond the first and second thermoplastic composite parts along the one or more joint lines. The apparatus also includes a susceptor removal device coupled to the susceptor and configured to remove the susceptor during bonding of the first and second thermoplastic composite parts.

Abstract: The invention relates to a high-strength and permanently elastic curable adhesive for bonding at least two surfaces, of which at least one surface is a surface of a permanently elastic plastic wherein the adhesive is an adhesive that cures in at least two different hardening mechanisms, wherein the first hardening mechanism comprises a chemical reaction to form a chemical bond including a sulphur atom, and the second hardening mechanism comprises the formation of crystalline structures from amorphous polymers.

Abstract: An inventive composition and process for formation of a conductive bonding film are disclosed. The invention combines adhesive bonding sheet technologies (e.g. die attach films, or DAFs) with the electrical and thermal conductivity performance of transient liquid phase sintered paste compositions. The invention films are characterized by high bulk thermal and electrical conductivity within the film as well as low and stable thermal and electrical resistance at the interfaces between the inventive film and metallized adherends.

Abstract: The sealing device, forming the object of this invention, for packages containing food products, includes a unit for gripping and/or feeding a piece of thin flexible material forming a film used to cover and at least partly seal the food product; a sealing element which includes a rheostat having an annular body and two terminals extending from the annular body and connectable to a voltage generator capable of generating and maintaining an electrical potential difference at the ends of the two terminals in such a way as to cause to flow along the rheostat an electric current capable of heating the annular body to a predetermined sealing temperature. Each terminal has at the point of its connection to the annular body of the rheostat a cross section whose surface area is the smallest compared to the cross sections at all other points of the terminal.

Abstract: A method of sealing a first component to a second component comprising the steps of locating at least one fiber reinforced polyimide resin layer against a first sealing surface on a first component and against a second sealing surface on a second component. At least one fiber reinforced polyimide resin layer is compressed against the first sealing surface and the second sealing surface prior to curing at least one fiber reinforced polyimide resin layer. At least one fiber reinforced polyimide resin layer is heated to promote flow and conformation to the first sealing surface and the second sealing surface. At least one fiber reinforced polyimide resin layer is cured to provide a fluid tight seal between the first component and the second component.

Abstract: A composite thermoplastic liner for use as a moisture barrier comprises a hollow tubular body made from a woven composite thermoplastic material configured to substantially block the ingress of moisture; and an opening at one end of the hollow tubular body for intake into the hollow of the hollow tubular body. In one aspect a welded closed opposite end forms a base configured to substantially block the ingress of moisture external to the hollow tubular body. In another aspect the woven composite thermoplastic material comprises an electrically conductive additive. In another aspect there is a gusset in at least one side of the hollow tubular body. The hollow tubular body is able to be flattened with the respective gussets formed from folds of the hollow tubular body, such that in the flattened state the tube is more readily stored in a narrow form, but is expandable when the gusset is unfolded.

Abstract: A support for supporting a workpiece from below efficiently while reducing the amount of necessary materials, and a shaping method for shaping the workpiece and support efficiently includes a hollow state support for supporting a workpiece from below, and the hollow state support has a lattice form with crossing of straight linear or curved columnar bodies, wherein a sintered strength at a connecting region with the workpiece is lower than the sintered strength at the other regions.

Abstract: A method for manufacturing a fibrous tubular structure including lobes, in which fibers are draped/deposited on a mandrel having a shape corresponding to that of the fibrous structure, includes draping/deposition carried out such that at least one group of fibers has a same orientation with respect to the axis (A) of said fibrous structure, then, the fibers having been draped over an angular sector less than the total periphery of the mandrel, one of the ends of the fibrous structure is separated from the mandrel in order to allow the continuation of the draping on the same mandrel.

Abstract: A composite charge positioning assembly configured to position a composite charge onto a forming tool is presented. The composite charge positioning assembly comprises a base; a first charge support arm associated with the base and movable in a first direction towards or away from the base; and a second charge support arm associated with the base and movable in the first direction. The first charge support arm has a first surface configured to contact a portion of a composite charge. The second charge support arm has a second surface configured to contact a second portion of the composite charge.

Abstract: A method and a device are provided for consolidating a fiber composite structure with at least one thermoplastic and/or thermoelastic polymer. The fiber composite structure is arranged between two pressing elements of a device for consolidating the fiber composite structure. The pressing elements are pushed toward one another such that the fiber composite structure is pressed therebetween. The fiber composite structure is heated at least into the range of a melting temperature of the at least one polymer. After cooling, the consolidated fiber composite structure is removed from the device. At least one separate compensating element is arranged in the region of at least one height difference of the fiber composite structure, between the structure and one of the pressing elements, such that the at least one height difference with respect to the one of the pressing elements is compensated with the at least one compensating element.

Abstract: A method for manufacturing a centre wing box which includes inner stiffeners, at least one of which has at least one through-hole is described. For each stiffener having at least one through-hole and having a first leg of a first U-shaped and C-shaped profile and a second leg of a second U-shaped and C-shaped profile, the method includes, for each through-hole, the steps of producing a first section of the through-hole in the first U-shaped or C-shaped profile and of producing a second section of the through-hole in the second U-shaped or C-shaped profile before the first and second U-shaped or C-shaped profiles are positioned on the mould.

Abstract: Plastic profiles are produced by a pultrusion method. For this, a mold is moved periodically relative to the stationary plastic profile and said profile is held by a holding means and transported away. In particular, the starting and the stopping of the method are problematical, since a tensile stress must be applied, by which both “slack” fibers and “rigid” profiles can be drawn through the mold. The invention creates a method and a device for simple and reliable manufacture of plastic profiles. For this, it is provided that at least one cross section of a receiving space of the at least one holding means is changed along a longitudinal axis of the holding means in order to grasp a reinforcement and/or the plastic profile.

Abstract: A composite material component manufacturing method includes a molding step of applying, by a pressing device, heat and pressure to a prepreg to mold the prepreg, and a transfer step of transferring the prepreg. The transfer step includes moving the prepreg together with the pressing device in a state in which a pressing force is applied to the prepreg by the pressing device.

Abstract: This flexible mandrel for molding a composite material containing a thermosetting resin includes: a main body containing a first material; and a thermally conductive layer containing a second material having a higher thermal conductivity than the first material, the thermally conductive layer being formed so as to cover at least a portion of the main body. The thermally conductive layer extends from a contacting surface of the flexible mandrel, which comes into contact with the composite material during molding, to a non-contacting surface which does not come into contact with the composite material.

Abstract: A method to improve thermal performance of vascular composites by using a two-phase working fluid for isothermalization includes the steps of: manufacturing a vascular composite structure optimized for a design point; manufacturing a thermal back end sized for the application; integrating the vascular composite into a fluid loop; and evacuating and filling the fluid loop with working fluid to an amount resulting in two-phase operation at the design point.

Abstract: An example medical device includes a balloon that is inflatable to an inflated configuration. The balloon includes a non-compliant layer coextruded on an inner layer, and an outer layer coextruded on the non-compliant layer. The non-compliant layer is configured to delaminate from the inner and the outer layers in the inflated configuration. The non-compliant layer may be configured to rupture in the inflated configuration. An example technique includes inflating the balloon to a predetermined pressure sufficient to rupture the non-compliant layer and insufficient to rupture both the inner and outer layers. The example technique further includes deflating the balloon, and introducing the balloon into a vasculature. Another example technique includes coextruding a non-compliant layer on an inner layer, coextruding an outer layer on the non-compliant layer, and forming a balloon from the inner layer, the non-compliant layer, and the outer layer.

Abstract: A puncture repair kit includes a container configured to house puncture repair liquid; a hose configured to be connected to the container and carry the puncture repair liquid into a tire; a compressor configured to supply compressed air for supplying under pressure the puncture repair liquid in the container through the hose; and an assistor configured to correct a tilt of the container when the container is connected to a tire valve via the hose and pendent from the tire valve.

Abstract: The molding element has a molding surface forming a contact face and a groove forming rib portion forming the groove comprising two opposed rib side faces and a rib top face connecting two rib side faces. The groove forming rib portion provides at least one cavity opening to the rib top face and to at least one of the rib side faces. The cavity has two opposed cavity faces. The molding element comprises at least one cutting means extending and/or projecting in a direction the groove forming rib portion extends for cutting a material filled in the cavity during demolding.

Abstract: An object of the present disclosure is to provide a tire production method which effectively inhibits the migration of sulfur to a vulcanizing bladder in a process of vulcanizing an unvulcanized tire provided at an inner surface thereof with a member having a high concentration of sulfur. Specifically, a tire production method includes a vulcanization process of vulcanizing an unvulcanized tire which is provided, in at least a portion of the innermost surface thereof, with a high sulfur concentration rubber member made of a rubber composition containing sulfur by ?1.0 parts by mass with respect to 100 parts by mass of a rubber component, wherein the vulcanization process employs a vulcanizing bladder made of a rubber composition for a bladder, which rubber composition contains fluororubber by 50 mass % to 100 mass %.

Abstract: A combination of first and second plugs for a tire mold includes associated first and second receivers/jackets. Fasteners secure the receiver to an associated tire mold. A securing member extends from the receiver into the cavity of the first receiver to retain the first plug therein. The first plug is contoured and dimensioned for mating receipt in the first receiver cavity. The second plug is likewise contoured and dimensioned for mating receipt in the associated second receiver cavity, but will not be accepted in the first receiver. A tool is provided to facilitate insertion and removal of the first and second plugs, and limit the potential for damage to the associated tire mold.

Abstract: A press assembly includes an elongated guide, and a ram that is at least partially mounted to the elongated guide and axially movable relative to the elongated guide. A fabricating tool is disposed at an outboard end portion of the ram. The ram including an internal chamber. A cylinder is disposed within an internal chamber of the ram and is secured to the ram such that the cylinder is fixed relative to the ram axially and rotationally so that the cylinder and ram move in unison. A spindle having a driving end region and a driven end region opposite the driving end region is disposed at least partially within a cylindrical bore of the cylinder. A motor is adapted to rotate the driving end region of the spindle to effect an axial displacement of the cylinder and the ram.