Abstract: A transfer ring for use in the manufacture of tires comprises a radially expandable and collapsible segmented gripping surface defined by a plurality of shoes, each shoe having an inwardly-facing surface mounted for movement toward and away from a central axis of the cylindrical gripping surface. Each inwardly-facing surface has first and second side edges. Each side edge has a central portion configured to be substantially parallel to a central portion of the other side edge and forms a mid-portion therebetween. Each side edge has first and second tapered portions on opposite respective ends of the central portion. Each tapered portion extends toward a tapered portion of the other side edge. The tapered portions cooperate to form a end portions that decrease in width away from the mid-portion.

Abstract: The present disclosure relates to the control of the degree of swelling of polymer fiber, such as polymer fiber used in the manufacturing of composite materials, by control of the pH of the coagulation bath during spinning.

Abstract: An object can be made one section at a time, that is layerwise, using an apparatus for making an object using a stereolithographic method. In a step of the stereolithographic method, a layer of a material used for making the object may be solidified in the shape of a section of the object. Disclosed herein is an apparatus (100) for making a stereolithographic object (122). Also disclosed herein is a method for making a stereolithographic object (122).

Abstract: The disclosure is of and includes at least an apparatus, system and method for a print head for additive manufacturing. The apparatus, system and method may include at least two proximate hobs suitable to receive and extrude therebetween a print material filament for the additive manufacturing, each of the two hobs comprising two halves, wherein each of the hob halves comprises teeth that are offset with respect to the teeth of the opposing hob half; a motor capable of imparting a rotation to at least one of the two hobs, wherein the extrusion results from the rotation; and an interface to a hot end capable of outputting the print material filament after at least partial liquification to perform the additive manufacturing.

Abstract: A low-cost viscous-drag-reducing cladding for a ship's hull comprising airbags whose outer surfaces are adapted to be water repelling. Each airbag comprises a plenum that comprises substantially open space, which does not obstruct the flow of air through it. The airbags are inflated with compressed air to a pressure higher than the adjoining hydrostatic pressure. The airbag material comprises a reinforcing fabric, which is adapted to withstand the forces encountered during operation, and is sealed with a sealant so as to be made substantially impermeable to air. The outer water-repelling surface of each airbag is connected to a plenum by means of restrictor holes. Air flows from the plenum through the restrictor holes into the water-repelling layer.

Abstract: A method of manufacturing a three-dimensionally shaped object includes stacking layers on a stage for manufacturing the three-dimensionally shaped object by repeating forming a desired-shape layer while moving a nozzle that injects molten thermoplastic resin. The nozzle moves while locally heating a front area and a side area by using a heating portion. The front area is located in front of the nozzle in a moving direction of the nozzle in a plan view of the stage. The side area is located beside the nozzle in the moving direction in the plan view.

Abstract: A basalt fiber composite rebar and method of manufacturing the same that includes producing an elongated body with an outer surface, two opposing terminal ends, a longitudinal length separating the two opposing terminal ends of the elongated body, of an epoxy matrix having a plurality of longitudinally oriented and twisted basalt fibers independently embedded and bonded therein and continually spanning along the longitudinal length, and a basalt fiber overlay directly coupled to the outer surface of the elongated body in a spiral configuration to define a plurality of fiber ribs spatially displaced from one another along the longitudinal length.

Abstract: The present invention relates to a casting apparatus (100) for the production of a cast sheet (10) of a material containing alkaloids, the casting apparatus comprising: ?a casting box (1) adapted to contain a slurry (11) of the material containing alkaloids, the casting box having an aperture (16); ?a movable support (7); ?a casting roller (3) positioned at least partly within the casting box adapted to cast the slurry contained in the casting box onto the movable support so as to form the cast sheet; ?wherein said casting roller faces the movable support forming a gap (I) therebetween, and wherein the movable support is located at least partly above the casting roller. The present invention also relates to a method for the production of a cast sheet of a material containing alkaloids.

Abstract: Apparatuses, systems, and methods for transferring fluid to a stage in a charged particle beam system are disclosed. In some embodiments, a stage may be configured to secure a wafer, a chamber may be configured to house the stage; and a tube may be provided within the chamber to transfer fluid between the stage and outside of the chamber. The tube may include a first tubular layer of first material, wherein the first material is a flexible polymer; and a second tubular layer of second material, wherein the second material is configured to reduce permeation of fluid or gas through the tube. In some embodiments, a system may include a degasser system outside of the chamber, where the degasser system may be configured to remove gases from the transfer fluid before the transfer fluid enters the tube.

Abstract: A system for making a build using directed energy deposition is provided. The system includes a primary heat source; a processing nozzle movable relative to the build for delivering a metal powder, a carrier gas for the metal powder, and a shield gas to the build; a melt pool sensor for providing information regarding a temperature of a melt pool of the build; a secondary heat source separate from the primary heat source positionable relative to the build for delivering heat to a selected area of the build; a cooling source positionable relative to the build for delivering a cooling fluid to a selected area of the build; and a control system for operating the primary heat source, the secondary heat source and the cooling source to maintain a desired temperature profile for the build. The system preferably includes a temperature sensor for providing a temperature profile of the build.

Abstract: A screen splicing structure is provided. The screen splicing structure includes a substrate layer, a middle adhesive layer, and a surface layer. The substrate layer includes a first substrate and a second substrate. The second substrate is spliced with the first substrate, and a seam is formed at a splicing place. The surface layer and the middle adhesive layer are stacked. The surface layer covers the seam by bonding the middle adhesive layer and the substrate layer. The peeling strength of the surface layer and the substrate layer is greater than or equal to 1,000 gf/inch. A method for forming the screen splicing structure is also provided.

Abstract: The present invention relates to a low friction resin composite comprising a binder comprising phthalonitrile-based resin, and three or more kinds of fillers dispersed in the binder.

Abstract: Embodiments of golf club heads, golf clubs, and methods to manufacture golf club heads and golf clubs are described herein. In one example, a golf club head includes a body portion having an interior cavity, a back opening portion, a back cover portion covering the back opening portion, a filler material at least partially filling the interior cavity, a first mass portion coupled to the back cover portion, and a second mass portion coupled to the back cover portion. The body portion may be made from a first material having a first density, and the back cover portion may be made from second material having a second density different from the first density. The diameter of the second mass portion may be greater than a diameter of the first mass portion. Other examples and embodiments may be described and claimed.

Abstract: A brachytherapy applicator is formed to use when administering therapeutic radiation to a particular patient's targeted area via brachytherapy. This process accesses image information for a patient that includes the targeted area and at least some adjacent non-targeted area. A control circuit uses that image information with prescribed dosing information for that patient to automatically generate a brachytherapy applicator design specifically to treat the particular patient's targeted area via brachytherapy. A corresponding brachytherapy applicator is then manufactured as a function, at least in part, of the brachytherapy applicator design to provide a manufactured brachytherapy applicator.

Abstract: A battery pack for a vehicle electrical system includes a casing for receiving one or more battery modules. The battery modules are insertable into a casing of the battery pack by sliding couplers along pairs of rails and are securable to the ends of the rails. After insertion, the rails thermally insulate one battery module from other battery modules coupled to the casing. In some examples, a first stiffness or a first mechanical frequency of the casing with the one or more battery modules inserted may differ from a second stiffness or a second mechanical frequency associated with a body of a vehicle or another component associated therewith by a threshold amount. Additionally, the casing may be configured with vents for venting the hot gases, such as those generated by a battery module in a thermal runaway event.

Abstract: Systems and methods are provided for generating surface brachytherapy applicators in which catheter channel trajectories are generated laterally from both sides of a cut plane bisecting an initial model of the surface brachytherapy applicator model, thereby mitigating the effects of patient-surface-induced curvature. The catheter channels may be defined based on catheter channel trajectories that are spatially distributed, relative to the cut plane, on both sides of the cut plane, and spatially offset relative to a patient-facing surface of the surface brachytherapy applicator model. In some example embodiments, catheter channel trajectories are spaced relative to the cut plane such that neighbouring catheter channel trajectories are evenly spaced along a set of contours. Prior to fabrication, the local radius of curvature of catheter channels may be adjusted in a manual or automated manner to exceed a threshold.

Abstract: A mold assembly for use in manufacturing parts includes a first and second mold halves and a mold temperature control system. The first mold half comprises at least a first mold cavity and a first coolant passage. The second mold half comprising at least a second mold cavity and a second coolant passage. The mold temperature control system is in fluid communication with the first and second coolant passages of the first and second mold half. The mold temperature control system comprises a fluid, a means to control the temperature of the fluid, and a pump to circulate the fluid through the mold temperature control system and the first and second coolant passages.

Abstract: Systems and methods for producing a reversible hemiaminal or aminal gel composition for use in 3D printing, the method including preparing a liquid precursor composition, the liquid precursor composition operable to remain in a first liquid state at about room temperature, where the liquid precursor composition comprises: an organic amine composition; an aldehyde composition; a polar aprotic organic solvent; and a carbon nanomaterial; heating the liquid precursor composition to transition from the liquid state to a gel state; transitioning the gel state to a second liquid state; and 3D printing a solid carbon nanomaterial object comprising a solid printed gel from the second liquid state with a pre-determined orientation for the carbon nanomaterial.

Abstract: Hybrid additive featured plates used to form an overall microchannel heat exchanger and corresponding method of manufacture are disclosed. Various additive manufacturing (AM) techniques may be used to form walls defining microchannel features on a plate substrate. The manufacturing method is a hybrid process in that leverages both additive and conventional manufacturing techniques to minimize both cost and fabrication time.

Abstract: A method for producing a component includes incorporating a molding compound into a tool for producing the component, where the molding compound includes an artificial resin as a matrix and a filler material embedded in the matrix. The method includes compressing the molding compound by the tool and by the compressing forming the molding compound to a green product. The method further includes providing the green product while disposed in the tool with a layer in a sub-region by incorporating a liquid material for producing the layer into the tool and applying the liquid material to the sub-region. The liquid material is a metallic material and the layer is an electromagnetic shielding on the green product.

Abstract: A moldable composite sheet having improved thermal and mechanical property characteristics. In one aspect, the composite sheet may be a porous fiber-reinforced thermoplastic resin comprising discontinuous mineral reinforcing fibers, and one or more skin layer materials. Generally, the composite sheet may have a void content or porosity from about 5% to about 95% by volume of the sheet, an areal weight between about 400 g/m2 to about 4000 g/m2 (gsm), a mineral fiber content from about 20% to about 80% by weight, and a thermoplastic resin content from about 20% to about 80% by weight of the composite sheet. The composite sheet can be molded via low pressure processes, such as thermoforming, match metal molding on stops, vacuum forming and pressure forming, to produce durable automotive interior trim parts and construction articles having improved thermal and mechanical properties in addition to other beneficial characteristics.

Abstract: Provided is an electronic apparatus including a window, a display panel disposed below the window, a digitizer disposed below the display panel and including a first surface and a second surface opposing the first surface, a first adhesive layer disposed on the first surface, and a second adhesive layer disposed below the second surface, wherein the first adhesive layer and the second adhesive layer are two-time-cured. Accordingly, an electronic apparatus having improved folding and viewability properties may be provided.

Abstract: A novel design for untethered smartglasses with wireless connectivity in which electronic components and electric wiring are mounted in a manner than enables at least a portion of temples of the smartglasses to be bent around the ear to improve the smartglasses' fit. In one embodiment, the smartglasses include a front element that supports lenses and two temples, coupled to the front element through hinges that enable folding and unfolding. At least one of the temples includes: a first portion coupled to the front element with first electronic components, a second portion coupled to the first portion with electric wires, and a third portion coupled to the second portion with second electronic components. The second portion is designed to be bent around a human ear to improve the smartglasses' fit, and the first and third portions are not designed to be bent to improve the smartglasses' fit.

Abstract: A device for applying a layer of material within a thin-walled pressure vessel may include one or more maneuvering actuators configured to direct the device within the thin-walled pressure vessel, an applicator operatively coupled to the one or more maneuvering actuators, and a controller operatively coupled to the one or more maneuvering actuators and the applicator, the controller is configured to control the one or more maneuvering actuators and the applicator. The applicator may include an expander configured to apply pressure along a portion of an inner wall of the thin-walled pressure vessel, a receptacle configured to secure the material to the device and position the material along the inner wall of the thin-walled pressure vessel, and a bonder configured to bond the material along the inner wall of the thin-walled pressure vessel.

Abstract: A build system is provided with: a build apparatus that performs a build process for forming a build object by supplying build materials to an irradiation area of an energy beam from a supply system while irradiating a target object with the energy beam from an irradiation system; and a change apparatus that is configured to change a relative position between the energy beam and the target object, wherein the build system differentiates a condition of the build process that is performed at a first area of the target object and a condition of the build process that is performed at a second area of the target object.

Abstract: A method of forming a catalyst is provided herein. The method comprises combining a binder, a support, and an active metal to form a slurry composition. The method further comprises applying the slurry composition using an additive manufacturing process to form a green part. The method further comprises exposing the green part to heat at a temperature of from about 10° C. to about 150° C. to form the hardened part. The method further comprises applying a ceramic-based coating material to the hardened part to form the catalyst.

Abstract: The invention generally relates to a method of making a plastic aggregate, and its use to make concrete products. The aggregate is formed by providing a granulated waste plastic material, introducing the granulated waste plastic material into an extruder having a die, the die having a ratio of die nozzle open area to die land area of about 1:10 to about 1:40, and extruding the granulated waste plastic material through the extruder to generate an extruded plastic aggregate. The method can include the presence of controlled cooling, the addition of additives and treatment of the surface of the aggregate to produce a desired aggregate that can be used to make a concrete product with desired properties, such as compressive strength and weight.

Abstract: A method operates a three-dimensional (3D) metal object manufacturing system to maintain a temperature of an uppermost layer of a 3D metal object being formed within a temperature range conducive for bonding between the uppermost layer and a next layer to be formed. A controller of the system compares a temperature of the uppermost layer with at least a low end temperature of the temperature range and operates an electrical resistance switching network using 3D model data to provide electrical power selectively to heating elements in a modular heater to heat the 3D metal object being formed when the temperature indicated by the signal from the sensor is less than the predetermined temperature.

Abstract: According to various embodiments of the disclosure, a microneedle patch may include: microneedles including a viscous composition; an adhesive sheet adhered to the skin; and a base sheet having the microneedles arranged thereon, wherein the shape of the microneedles has a spirally-twisted screw shape so as to have a first incline facing a first direction and a second incline facing a second direction, which is the direction opposite to the first direction, and the diameter of a base part facing the base sheet gradually decreases toward an end portion.

Abstract: A system and method for forming 3D printed structures on a base component includes extruding material through a nozzle while moving the nozzle vertically. Extruded material flows from the nozzle and spreads outwardly upon contact with an underlying portion of material. The outward spread of material is controlled to form a desired geometry for the 3D printed structure. An optical sensing device may provide feedback for controlling the outward spread of material. Using a molding component, structures with anchored portions extending through openings in the base component can be formed.

Abstract: A hydrogel condom containing an antioxidant can provide increased sexual pleasure, thus improving usage and resulting in prevention of disease and prevention of unwanted pregnancies.

Abstract: A method of making a ceramic matrix composite (CMC) part such as armor, in which a mixture, including a preceramic polymer, particles such as ceramic microparticles and/or nanoparticles, and organic compounds such as a surfactant and a solvent, are mixed to form a paste and printed or molded. The part is then cured and densified by polymer infiltration and pyrolysis (PIP) using the preceramic polymer with a varying amount and size of ceramic particles and different temperatures in some of the cycles. The CMC can contain silicon carbide, boron carbide, boron suboxide, alumina, or any other ceramic. The process is compatible with sacrificial materials, enabling the creation of parts with hollow portions or overhangs. The mixture preferably has a high loading of particles, for example between 70 wt % and 90 wt % of the mixture, in order to minimize shrinkage. Curing and pyrolyzing the part can be performed by microwaving.

Abstract: A dental appliance for positioning a patient's teeth includes a removable orthodontic tooth positioning appliance having teeth receiving cavities shaped to directly receive at least some of the patient's teeth and apply a resilient positioning force to the patient's teeth. The appliance includes a hard polymer layer having a hard polymer layer elastic modulus disposed between a first soft polymer layer having a first soft polymer layer elastic modulus and a second soft polymer layer having a second soft polymer layer elastic modulus. The hard polymer layer elastic modulus is greater than each of the first soft polymer layer elastic modulus and the second soft polymer layer elastic modulus. At least one of the first soft polymer layer and the second soft polymer layer has a flexural modulus of greater than about 35,000 psi.

Abstract: A method for manufacturing a three-dimensional object comprises the steps of (a) bringing at least one nozzle in a first position close to a surface of a substrate, (b) delivering through said at least one nozzle at least one reactant to said surface, (c) effecting a solid forming reaction of said at least one delivered reactant such that said at least one delivered reactant undergoes a transition to become a growing solid deposit on said surface under said at least one nozzle, and (d) detecting an interaction of said growing solid deposit with said at least one nozzle.

Abstract: An impact resistant polyhexahydrotriazine polymer, processes of forming an impact resistant polyhexahydrotriazine polymer, and an article of manufacture comprising an impact resistant polyhexahydrotriazine polymer are disclosed. The impact resistant polyhexahydrotriazine polymer includes at least one hexahydrotriazine group and at least one chain comprising an allylic portion and a styrenic portion. Variations in the chain control properties of the impact resistant polymer. The process of forming the impact resistant polyhexahydrotriazine polymer includes reactions between formaldehyde and at least two classes of monomer that form hexahydrotriazine groups and impact resistant chains. Adjusting relative monomer concentrations controls properties of the impact resistant polyhexahydrotriazine polymer. The article of manufacture contains a material that has an impact resistant polymer.

Abstract: Techniques for integrating a machine-readable matrix with a component of a mechanical structure using three-dimensional (3-D) printing are disclosed. Such techniques include generating at least one data model representing the component, and projecting a matrix pattern identifying one or more features of the component onto a selected surface portion of the component to produce a modified data model for use as an input to a 3-D printer.

Abstract: A method of fabricating a composite part, includes forming a fiber preform for the part that is to be obtained by depositing a plurality of fiber structures impregnated with a thermoplastic polymer onto a surface, with deposition being performed by automated fiber placement; eliminating the thermoplastic polymer present in the preform by dissolution with a solvent; and injecting a liquid impregnation composition into the pores of the fiber preform after eliminating the thermoplastic polymer in order to form a matrix in the pores of the fiber preform.

Abstract: The invention relates to a multilayered pultruded structure having a weatherable cap layer over a pultruded substrate, adhered with an appropriate tie layer. The structure provides improved weatherability and surface quality for pultruded structures. The invention is especially useful to provide a weatherable pultruded polyurethane, with an acrylic or styrenic cap layer. The weatherable polyurethane (PU) pultrusion of the invention provides an increased modulus over polyester pultrusions, making the weatherable PU pultrusion useful in commercial applications, and applications requiring a higher transverse modulus.

Abstract: Systems and methods for designing lattice structures in a way that ensures their buildability when manufactured in an additive manufacturing environment are disclosed.

Abstract: A system including a deposition system to create a layer of an object during an additive manufacturing process, a material feeder to deliver a material for application to the object by the deposition system, a first sensor to measure at least one characteristic of the material, a rangefinder to determine a height of the deposition system above a build location where the object is being additively manufactured, and a traverse system to adjust a height of the deposition system from the build location responsive to a measurement taken by the first sensor. Another system and method are also disclosed.

Abstract: A heat transfer surface with a convective cooling layer includes a metal substrate and a porous metal foam layer transient liquid phase (TLP) bonded on the metal substrate. The porous metal foam layer includes a plurality of high melting temperature (HMT) particles and a plurality of micro-channels. A first TLP intermetallic layer is positioned between, and TLP bonds together, adjacent HMT particles to form the porous metal foam layer. A second TLP intermetallic layer is positioned between and TLP bonds a subset of the plurality of HMT particles to the metal substrate such that the porous metal foam layer is TLP bonded to the metal substrate. The plurality of micro-channels extend from an outer surface of the porous metal foam layer to the metal substrate such that a cooling fluid may be wicked through the plurality of micro-channels to the surface of the metal substrate.

Abstract: A three-dimensional modeling apparatus includes a modeling portion that models a three-dimensional object by laminating material layers formed by a material having a fluid property, and executes a first modeling process that forms concave portions, which are adjacent to two or more convex portions and are recessed in comparison with the convex portions in a lamination direction in which material layers are laminated, as a result of forming a plurality of convex portions that project in the lamination direction, a second modeling process that laminates a material layer on the convex portions, and forms a material layer, which is spatially separated from the material layer laminated on the convex portions, inside the concave portions, and a third modeling process that fills the concave portions with a material layer by disposing the material on the material layer inside the concave portions.

Abstract: Various embodiments related to three dimensional printers, and reinforced filaments, and their methods of use are described. In one embodiment, a void free reinforced filament is fed into an conduit nozzle. The reinforced filament includes a core, which may be continuous or semi-continuous, and a matrix material surrounding the core. The reinforced filament is heated to a temperature greater than a melting temperature of the matrix material and less than a melting temperature of the core prior to drag the filament from the conduit nozzle.

Abstract: A method of fabricating a part out of ceramic matrix composite material, the method including infiltrating a fiber preform with a molten composition including a majority by weight of silicon, the fiber preform including silicon carbide fibers, silicon carbide powder being present in the pores of said preform, a mean size of silicon carbide crystallites in the powder being less than the mean size of the silicon carbide crystallites in the fibers, a ceramic matrix being formed in the pores of the fiber preform during the infiltration so as to obtain the part made of composite material.

Abstract: Methods, systems, and apparatus, including computer programs encoded on computer storage media, for working with three-dimensional object models for printing. One of the methods includes determining a plurality of infill structures in a slice of an object; and determining a path for the tool-head to create the plurality of infill structures including: determining a first portion of the path for deposition of a first infill structure during a first time period; determining a second portion of the path for deposition of one or more second infill structures that are not adjacent to the first infill structure during a second time period; and determining a third portion of the path for deposition of a third infill structure that is adjacent to the first infill structure, wherein the second time period is determined to allow the first infill structure to cool before deposition of the third infill structure.

Abstract: A hollow fiber membrane is disclosed that includes both a porous hollow fiber and a nonporous film coating. The hollow fiber membrane is suitable for use in solubilizing gases into liquids. This can include for example carbonation of an aqueous liquid by CO2 gas. Systems, methods, and devices are disclosed.

Abstract: A system treats uneven surfaces of additive manufactured objects to improve the transparency and glossiness of the surfaces. The system operates a sprayer to apply fluid material used to form the uneven surface to the uneven surface to smooth the surface or the system operates an actuator to dip the additive manufactured object into a bath of fluid material that is the same as the material used to form the uneven surface to smooth the surface. A heater is provided to dry non-UV curable material applied to the uneven surface and a source of UV radiation is provided to cure UV curable material applied to the uneven surface.

Abstract: A flexible body comprises a polymer film having a first surface and an opposing second surface. The polymer film has a plurality of apertures extending from the first surface to the second surface and a plurality of raised lips protruding from the first surface such that each of the plurality of apertures is surrounded by one of the plurality of raised lips. A method of producing a polymer film comprises placing a polymer solution into a one sided mold having a plurality of protrusions extending from a bottom of the mold wherein the polymer solution is characterized by a viscosity that inhibits the unaided flow of the polymer throughout the mold; urging the polymer solution around each of the plurality of protrusions; and solidifying the polymer solution.

Abstract: A supply of build material such as a spool or cartridge is instrumented with a data tag that includes information about the build material. A three-dimensional printer can read the information from the tag and determine how to use the build material during fabrication of a three-dimensional object.

Abstract: A moldable composite sheet having improved thermal and mechanical property characteristics. In one aspect, the composite sheet may be a porous fiber-reinforced thermoplastic resin comprising discontinuous mineral reinforcing fibers, and one or more skin layer materials. Generally, the composite sheet may have a void content or porosity from about 5% to about 95% by volume of the sheet, an areal weight between about 400 g/m2 to about 4000 g/m2 (gsm), a mineral fiber content from about 20% to about 80% by weight, and a thermoplastic resin content from about 20% to about 80% by weight of the composite sheet. The composite sheet can be molded via low pressure processes, such as thermoforming, match metal molding on stops, vacuum forming and pressure forming, to produce durable automotive interior trim parts and construction articles having improved thermal and mechanical properties in addition to other beneficial characteristics.