Abstract: A mold for making dry cast concrete blocks includes a pair of vertical shoulder forming sections, one along each of the opposite sides of the mold to form vertical front shoulders of a block. Each shoulder forming section has a shoulder roughening arrangement to result in molded, roughened shoulders of the block. Methods of making such blocks and the resulting block are included.

Abstract: A seamless stamp device for impressing configuration into deformable materials includes a recess member having a substantially planar top wall and an undulating bottom wall with a plurality of ridges integrally joined to the bottom wall, the ridges defining a preselected pattern upon the bottom wall. The seamless stamp device further includes a protrusion member having a substantially planar top wall and an undulating bottom wall with a plurality of ridges integrally joined to the bottom wall, the ridges defining a preselected pattern upon the bottom wall. The recess and protrusion members are detachably engaged such that the undulating bottom walls and ridges of the engaged members provide a continuous, seamless design or pattern in the surface of a deformable material when the recess and protrusion members are forcibly inserted into the deformable material, then vertically elevated and vertically lowered and repositioned upon a different portion of the surface of the deformable material.

Abstract: A core drill bit can include a first region and a second region. The first region can include abrasive particles in a first bond matrix, and the second region can include abrasive particles in a second bond matrix. The first region is connected to the second region. A composition of the first bond matrix can be different from a composition of the second matrix. In a particular embodiment, the first bond matric can include a Co-containing material.

Abstract: A clamp suitable for securing and can simultaneously accommodate a plurality “Tong” of brick. The clamp can be adjusted to accommodate a wide range of brick, block or stone sizes and design. The clamp design is such, that it can be easily taken to a work site and placed on the ground or raised work area for ease of accessibility and operation. The clamp will hold a full Tong of bricks taken directly from a manufactures cube via brick tongs. The bricks are placed on a cutting base and help in place by an upper arm gate. The upper arm gate is held open by springs and engaged via the engagement lever and support arm. This process creates a clamping force between the upper arm gate and cutting base. Releasing the clamping force is accomplished by pressing down on the release lever. This process pulls the engagement lever out of it's over center locking position and frees the upper arm for opening. The opening process is then completed by the upward force generated by the spring return.

Abstract: According to one embodiment, an imprint template manufacturing apparatus includes: a supply head that supplies a liquid-repellent material in liquid form to a template having a convex portion where a concavo-convex pattern is formed on a stage; a moving mechanism that moves the stage and the supply head relatively in a direction along the stage; a controller that controls the supply head and the moving mechanism such that the supply head applies the liquid-repellent material to at least a side surface of the convex portion so as to avoid the concavo-convex pattern; and a cleaning unit that supplies a liquid to the template coated with the liquid-repellent material. The liquid-repellent material contains a liquid-repellent component and a non-liquid-repellent component that react with the surface of the template, and a volatile solvent that dissolves the liquid-repellent component. The liquid is a fluorine-based volatile solvent that dissolves the non-liquid-repellent component.

Abstract: According to one embodiment, an imprint template manufacturing apparatus includes: a stage that support a template having a convex portion where a concavo-convex pattern is formed; a supply head that supplies a liquid-repellent material in liquid form to the template on the stage; a moving mechanism that moves the stage and the supply head relatively in a direction along the stage; and a controller that controls the supply head and the moving mechanism such that the supply head applies the liquid-repellent material to at least a side surface of the convex portion so as to avoid the concavo-convex pattern. The liquid-repellent material contains a liquid-repellent component and a non-liquid-repellent component that react with the surface of the template, a volatile solvent that dissolves the liquid-repellent component, and a fluorine-based volatile solvent that dissolves the non-liquid-repellent component.

Abstract: A method of creating a polymer surface with surface structures is disclosed. The method includes creating a mold, forming a metal sheet into the molds, creating a surface structure on a surface of the metal sheet by exposing the surface to laser pulses, and bringing a curable polymer to be in contact with the surface of the metal sheet containing the surface structure, curing the curable polymer, and separating the cured polymer from the metal sheet, resulting in a polymer surface containing the surface structure. The polymer surfaces with the surface structures can be hydrophobic or superhydrophobic depending on the micro and nano features contained by the surface structures.

Abstract: A molded product having an annular groove on an outer circumferential surface is molded by a mold. The mold includes three or more mold blocks. Each of the mold blocks includes a parting surface, a concave surface for molding a part of the outer circumferential surface, and a projection for molding a part of the annular groove. In each of the mold blocks, the parting surface extends in a direction of a normal line of the concave surface at a position where the parting surface and the concave surface intersect to each other.

Abstract: A mold assembly for forming a film includes a transparent bottom mold, a top mold, a case, and a lighting member. The transparent bottom mold defines a cavity for receiving a workpiece and a plurality of liquid compositions. The top mold is matched with the bottom mold to accommodate the workpiece between the bottom mold and the top mold. The case receives the bottom mold and the top mold placed therein. Air in the case is exhausted from the case to coat the plurality of liquid composition on the workpiece. The lighting member emits light on the liquid compositions to solidify the liquid compositions to form a film on the workpiece.

Abstract: A method of manufacturing a fluorescent silicone film contains: steps of: A. mixing optical silicone and fluorescent powders so as to produce a mixture, and adding liquid to the mixture; B. vacuuming, degassing and feeding the mixture into an accommodation cavity of a mold; C. placing the mold into a planetary centrifugal mixer so as to centrifuge the mixture; D. forming the fluorescent silicone film in the accommodation cavity; and E. solidifying and removing the fluorescent silicone film from the mold. In the step of A, the optical silicone and the fluorescent powders are mixed at a ratio of 100:10 to 100:25. In the step of B, the accommodation cavity is closed after feeding the mixture. In the step of D, the fluorescent silicone film has a silicone layer and a fluorescent powder layer which are formed in the accommodation cavity in a chemical vapor deposition (CVD) manner.

Abstract: The present invention is related to a method and an apparatus for curing a polymeric form. The method includes arranging an uncured polymeric form within a curing chamber (60) formed by a base member (20) and a constraining member (40). A thermal expansion member (30) is additionally positioned within the curing chamber (60) with the uncured polymeric form (70) such that the thermal expansion member and the uncured polymeric form are positioned between the base member (20) and the constraining member (40). The thermal expansion member (30) is heated to expand in size into an expanded state. In the expanded state the thermal expansion member (30) applies pressure to the uncured polymeric form (70) within the curing chamber. The expansion of the thermal expansion member (30) is maintained to maintain the application of pressure to the uncured polymeric form while the uncured polymeric form is being cured to form a cured polymeric form.

Abstract: A honeycomb core includes carbon fiber having four or more different fiber directions, and when a ribbon direction is set as an X axis direction, a cell width direction is set as a Y axis direction, and a direction that is orthogonal to the ribbon direction and the cell width direction is set as a Z axis direction. A condition in which angles formed by the X axis direction and the respective fiber directions of the carbon fiber are set at ?45 degrees, 0 degrees, 45 degrees, and 90 degrees is set as a reference condition. The respective fiber directions are rotated from the reference condition by a fixed rotation angle so that none of the fiber directions are parallel to the X axis direction.

Abstract: A method for producing an object made of a polymeric material, said polymeric material having a melting temperature (TF), comprises the steps of: melting the polymeric material; after the step of melting, cooling the polymeric material below the melting temperature (TF) in a cooling zone; severing a dose from a flow of polymeric material coming from the cooling zone by means of a severing element (5); obtaining said object by shaping the dose between a male forming element and a female forming element (10) which move towards one another with a mutual movement speed, the dose having a temperature lower than said melting temperature (TF). Between a start-of-forming configuration, in which the dose is in contact with both the male forming element and the female forming element (10), and a start-of-deceleration configuration, in which the male forming element and the female forming element (10) begin to decelerate relative to one another, the mutual movement speed is greater than 10 mm/s.

Abstract: A molding device and a molding method are provided. The molding device includes an upper molding assembly and a lower molding assembly. The upper molding assembly includes an upper molding plate and a plurality of positioning columns disposed thereon. The mold core and a plurality of matching columns surrounding the mold core are disposed at the same side of the upper molding plate. The lower molding assembly includes a lower molding plate and at least one formation mold, wherein the lower molding plate has at least one accommodating groove, a plurality of matching grooves and a plurality of positioning holes surrounding the accommodating groove. The formation mold is disposed in the accommodating groove, and the formation mold has a formation cavity corresponding to the mold core. Each positioning column is disposed respectively into each positioning hole, and each matching column is disposed respectively into each matching groove.

Abstract: Methods and apparatus for separation of a nanoimprint template from a solidified patterned layer on a substrate that minimize separation defects, including last point of separation (LPOS) defects. The method can include: moving the template and substrate relative to one another to create a tensional force that is applied to the template and the substrate; measuring the tensional force applied to the template and the substrate; determining an amount of pressure to apply to the backsides of the template and the substrate to reduce the amount of applied tensional force; reducing the tensional force applied to the template or the substrate by applying the determined amount of pressure to the backsides of the template and the substrate; and then repeating the above steps one or more times until the template fully separates from the solidified patterned layer. The apparatus can be configured to achieve such methods.

Abstract: A resin injection apparatus includes: a mold die and a receiving die configured to hold a core body in an axial direction of the core body, the core body having a resin formation region serving as a region where resin is to be formed by injection of molten resin; a plurality of plungers; and a pot group attached to the mold die, the pot group including a plurality of pots proximately located next to each other in a direction. Each of the plurality of pots has a through hole in which a corresponding plunger of the plungers is insertable. The plurality of pots have a first coefficient of thermal expansion that is lower than a second coefficient of thermal expansion of the mold die.

Abstract: There is provided a method of fabricating a blade platform out of composite material with integrated gaskets for a turbine engine fan, the platform including a base and a stiffener, the method including using three-dimensional weaving to make a single-piece fiber blank with a plurality of longitudinal yarn layers extending in a direction corresponding to a longitudinal direction of the base of the platform; shaping the fiber blank to form a fiber preform having a first portion forming a base preform and a second portion forming a stiffener preform; positioning platform gaskets at side margins of the first portion of the fiber preform forming a base preform; placing the fiber preform with the gaskets in an injection mold; injecting resin into the injection mold; compacting the assembly; heating the injection mold to solidify the resin; and unmolding the resulting platform.

Abstract: The present invention relates to an injection molding method using a fiber-reinforced composite material as an insert, and an injection molded product, and provides an injection molding method comprising: a step of preparing a fiber-reinforced composite material having a high-strength fiber, which is an insert material, impregnated in a resin; an insert formation step of manufacturing an insert by molding the fiber-reinforced composite material into a preliminary shape; and an injection molding step of manufacturing an injection product by arranging the insert in an injection mold and injecting a resin.

Abstract: A method of injection molding a building product includes providing an injection mold with a plurality of gates located adjacent a perimeter of the injection mold. The method further includes commingling a first material and a second material into a flow, the second material comprising a color that contrasts with a color of the first material and injecting the commingled flow into the plurality of gates to form a building product. Thereafter, the method includes removing the building product from the injection mold. The second material extends through an interior of the building product and appears as contrasting streaks on an exterior of the building product to form a variegated grain appearance. The method also includes notching a portion of the building product, such that the building product has a substantially linear grain in an exposed portion thereof.

Abstract: Tracking a processor instruction is provided to limit a speculative mis-prediction. A non-speculative read set indication and/or write set indication are maintained for a transaction. In addition, a queue(s) of at least one address corresponding to a speculatively executed instruction is maintained. For a received request from a remote processor, a transaction resolution process takes place, and a resolution is performed if an address match in the queue is detected. The resolution includes to hold a response to the receive request until the speculative instruction is committed or flushed.

Abstract: An apparatus for molding a part having ferromagnetic pigments is provided by the present disclosure. A magnetic field, generated by an electromagnet, is set up adjacent a wall of the part cavity that will define an A-surface of the part. A ferromagnetic pigment is combined with the resin. When the electromagnet is activated, the magnetic field attracts the ferromagnetic pigment to collect near the cavity wall that will define the A-surface. The apparatus of the present disclosure includes a mold, a part cavity formed in the mold, and an electromagnet positioned adjacent the part cavity whereby a magnetic field can be exerted on the part cavity. The electromagnet may be of any of several types, including a coil or a wire grid. The electromagnet may be embedded in the mold or may be placed adjacent to the mold.

Abstract: A method of molding an interior part for a vehicle includes determining a 3D graphic sample model. A shape of the sample model has concave portions having curvatures determined through 3D modeling and gradients of an inner surface of each concave portion. A molded sample having the same general shape as the sample model is injection molded. Information related to scratch occurrence positions is acquired from the molded sample. Information of curvatures and gradients of the concave portions of the sample model are acquired and collected at positions on the sample model corresponding to the scratch occurrence positions. A limit angle and limit angle are determined by using the collected information and preset curvatures for the concave portion of a design of the interior part. The interior part having the concave portion with a shape based on the determined draft angle and the preset curvatures can then be injection molded.

Abstract: The invention provides a molding apparatus comprising a first mold part operative to hold a semiconductor substrate, and a second mold part having a main surface facing the first mold part. The first and second mold parts are movable relative to each other between an open arrangement and a closed arrangement. The main surface comprises portions defining a mold cavity, and a recess at least partially surrounding the mold cavity. The main surface also comprises a compressible structure located within the recess, wherein at least a portion of the compressible structure extends out of the recess towards the first mold part and is compressible into the recess when the compressible structure contacts the semiconductor substrate in the closed arrangement. The second mold part also comprises one or more air conduits operative to introduce compressed air into the mold cavity.

Abstract: A method of molding a molded article, the method employing a die provided with a die main body including a movable mold and a fixed mold, a first slide core that is disposable inside the die main body, and a second slide core that is disposable inside the die main body in a state intersecting with the first slide core, and the method including: a mold-closing step including closing the die main body, disposing the first slide core inside the die main body, and disposing the second slide core inside the die main body to intersect with the first slide core; and a charging step of charging a molding material into the inside of the die, an undercut portion of the molded article being molded by the first slide core and the second slide core.

Abstract: A method for continuously manufacturing molded products by repeating a plurality of molding cycles includes, in each molding cycle, filling a resin composition into a mold, pressing the resin composition in the mold, cooling the resin composition in the mold using cooling water, and releasing the resin composition from an interior of the mold to obtain a molded product. An A-th molding cycle of the plurality of molding cycles can be a delay cycle delayed from a B-th molding cycle. When the A-th cycle is the delay cycle, the flow rate of the cooling water flowing in the mold at the cooling step is decreased in the A-th cycle as compared with the B-th cycle.

Abstract: The invention describes a method of determining a number of process parameter values within an injection mould (1F) during an injection moulding process, which method comprises the steps of determining geometric data of the injection mould (1F) and/or of a form part (1, 1?, 1?) to be manufactured, determining a virtual part-specific pressure curve (pS) of an injection moulding process, determining a part-specific event pattern (MS) on the basis of the virtual part-specific pressure curve (pS), carrying out an injection moulding process using the injection mould (1F) and determining a measured pressure curve (pm) during the injection moulding process and determining a measurement event pattern (Mm) on the basis of the measured pressure curve (pm). Process parameter values are derived on the basis of the virtual event pattern and the measurement event pattern. The invention further describes a corresponding process parameter value determining apparatus and an injection mould arrangement.

Abstract: The invention describes a method of determining and visualizing process parameter values of an injection moulding process, which method comprises the steps of determining geometric data of the injection mould (1F) and/or of a form part (1, 1?, 1?) to be manufactured in the injection mould (1F), carrying out an injection moulding process using the injection mould (1F) and recording measurement values as a function of the injection time and/or an actuator position (s), determining, as process parameter values on the basis of the measurement values and geometry data of the injection mould (1F), a flow front position inside the injection mould (1F) or the form part (1?, 1?) as a function of the injection time and/or an actuator position. The invention further describes a corresponding process parameter value determining apparatus (20) and an injection mould arrangement (10) with such a process parameter value determining arrangement (20).

Abstract: A method for producing magnet-polymer pellets useful as a feedstock in an additive manufacturing process, comprising: (i) blending thermoplastic polymer and hard magnetic particles; (ii) feeding the blended magnet-polymer mixture into a pre-feed hopper that feeds directly into an inlet of a temperature-controlled barrel extruder; (iii) feeding the blended magnet-polymer mixture into the barrel extruder at a fixed feed rate of 5-20 kg/hour, wherein the temperature at the outlet is at least to no more than 10° C. above a glass transition temperature of the blended magnet-polymer mixture; (iv) feeding the blended magnet-polymer mixture directly into an extruding die; (v) passing the blended magnet-polymer mixture through the extruding die at a fixed speed; and (vi) cutting the magnet-polymer mixture at regular intervals as the mixture exits the extruding die at the fixed speed. The use of the pellets as feed material in an additive manufacturing process is also described.

Abstract: Invention is directed to a method of extruding an omni-phobic filament comprising: extruding a co-polymer filament having a first polymer at a core having generally a circular cross-section, and a second polymer disposed at a perimeter of the core wherein the second polymer is dissolvable; creating channels disposed at the perimeter of the core by dissolving the second polymer; creating trapezoidal cross-section features having a distal angle less than 70°, a top edge greater than a side length and a bottom length less than the side length; and adding nano-sized particles to at least one of the top edge and one or more sides or any combination thereof.

Abstract: A method for producing an elongated product. By an extrusion unit, a material is extruded onto a core of the elongated product as a casing having a predetermined wall strength. Downstream of the extrusion unit and while the material is still moldable, the elongated product is supplied in a conveying direction to a molding unit. A portion of the material is held by the molding unit and, from the held material, a molded part is formed in an integral manner on the casing. The formation of the molded part is thereby carried out in an advantageous manner, via a deformation of material of the casing.

Abstract: A method for the production of plastic products includes a loading step in which plastic material in granular form is inserted in a containing element, and a heating step, in which the plastic material in granular form is heated until the melting temperature is reached. The method also includes an extrusion step in which the plastic material is conveyed toward extrusion means and extruded to form at least one layer of a film of plastic material and a printing step in which, by means of printing means, at least one layer of printing material is deposited on the film of plastic material to define information associated with the film of plastic material. During the printing step the printing means deposit electrically conductive material on the film of plastic material, according to a predetermined conformation able to define a predetermined electric circuit.

Abstract: An additive manufacturing (AM) extrusion die system having an extrusion die configured to receive a material to be extruded. The extrusion die includes a main body having a cylindrical section and a distal tapered section terminating at an extruder tip. The main body is configured to mount to a barrel of an additive manufacturing system. The die further includes a central extruder channel extending axially along the main body configured to receive the material at the cylindrical section of the main body and output the material at the extruder tip of the main body, and a cartridge heater slot formed within the main body and generally parallel to the central extruder channel. The cartridge heater slot configured to receive a cartridge heater therein for imparting thermal energy to the material within the central extruder channel. A cooling system is provided for controlling a temperature of the material.

Abstract: There is provided a method which includes: plasticizing and melting a thermoplastic resin to provide a molten resin in a plasticization zone of a plasticizing cylinder; allowing the molten resin to be in a starved state in a starvation zone of the plasticizing cylinder; introducing a pressurized fluid containing a physical foaming agent having a fixed pressure into the starvation zone to retain the starvation zone at the fixed pressure; bringing the molten resin in the starved state in contact with the pressurized fluid containing the physical foaming agent having the fixed pressure in the starvation zone in a state in which the starvation zone is retained at the fixed pressure; and molding the molten resin having been brought in contact with the pressurized fluid containing the physical foaming agent into the foam-molded product.

Abstract: The invention relates to a method and a device for producing large-volume container trays of plastic. A tubular preform is guided over a mold frame which is facing two blow molds. During the closure of the blow molds, an encircling flange is formed on the outer edge of the container trays. After blow molding, the container trays are cut free from the mold frame along said mold frame.

Abstract: Disclosed is a method for controlling a conveyor for conveying hollow bodies through a hollow-body heating station including:—a heating tunnel defining a heating path,—a conveyor including at least one travel track and shuttles capable of moving along the track while picking up at least one hollow body, the movement of each shuttle being controlled individually,—a travel-track loading portion on which two consecutive shuttles move at a first predetermined input separation, and a travel-track unloading portion. Two consecutive shuttles moving on this unloading portion are spaced apart by a predetermined output separation that is different from the first input separation.

Abstract: A liquid blow molding apparatus for liquid blow molding a resin preform into a container having a prescribed shape. The apparatus includes a blow molding mold in which the preform is disposed; a blow nozzle that engages in an opening of the preform; a pressurized liquid supply that supplies a pressurized liquid to a supply path that is connected to the blow nozzle; and a seal member that is provided inside the supply path and opens and closes the supply path with respect to the blow nozzle. The pressurized liquid supply is configured to start supplying the pressurized liquid to the supply path after the seal member has begun to open.

Abstract: A plastic tube has an inner tube, a stiffener layer, and an outer tube. The inner tube is arranged the support organ. A corrugated stiffener preform is formed with corner area walls shaped thinner than the other walls. The preform is fed upon the inner tube to form a stiffener layer that advances with a certain pitch upon the inner tube. The corner parts of every stiffener yield and the brush angle (?) between the lamellas of the outside gets greater than the corresponding brush angle between the lamellas of the inner side. The stiffener is joined to the inner tube with a melted plastic layer and fed upon the stiffener plastic tape joined to the stiffener with a melted plastic layer. Between the settled edges of the plastic tape a spiral weld joint is formed so that the plastic tape forms the outer tube.

Abstract: The present invention relates to surface modification of materials. In particular the invention relates to a process for surface modification of polymeric materials to make the surface non-stick in order to reduce the ability of materials to stick on it and thus provide an easy flow. The process comprises embossing the surface of an object with a pattern comprising micropillars having different shapes (circle, square, rectangular, polygonal prismatic) with an equivalent circular diameter, height and pitch in the range 10-200 microns; applying a layer of adhesive to get a coverage of 0.1 to 5 mg/cm on the embossed surface either by spray coating or dip coating; depositing 0.2 to 1.2 mg/cm of hydrophobic particles wherein the hydrophobic particles have a particle size in the range 0.1 to 10 microns.

Abstract: Forming features in the surface of a bicycle component involves depositing a substance onto a substrate in a geometric pattern to form a transfer medium. Forming features may also involve positioning the transfer medium relative to an unformed bicycle component, and forming a negative of the geometric pattern in the bicycle component through the application of heat and/or pressure to the transfer medium and the unformed bicycle component. The transfer medium may be configured for use in the molding of carbon fiber reinforced plastic (“CFRP”) bicycle components and may include a substrate formed of a flexible material, and a geometric pattern formed of a hard material, the hard material different than the flexible material.

Abstract: A method for the continuous in-register embossing of a stretchable film is provided where a repeating printed image or a laminate may be formed by way of the stretchable film in an embossing station. The embossing station may include a rotating embossing roll having an embossed image and an associated rotating counter-roll. The printed image length of the film may be stretched longitudinally before the embossing contact with the embossing roll to a length greater than or equal to or smaller than or equal to the embossed image length or the circumference of the embossing roll. The maintenance of register of the embossing may be achieved by way of a relative speed between the circumferential speed of the embossing roll and the web speed of the film in the embossing station.

Abstract: A filament for use with a printer head of a 3D printer includes an exterior surface and an interior surface having color selectively applied thereto, where the color of the interior surface is visible through the exterior surface, and where the color is applied only to the interior surface such that the color remains substantially isolated from components of the printer head when traveling therethrough.

Abstract: A three-dimensional printer effects color changes in an extrudate using a color-application unit applying a colorant to the interior of a filament before it is melted within an extruder. Specifically, the color-application unit may receive a filament (or portions thereof) having an exposed interior surface, where color applicators are actuated to apply one or more colors to the interior surface of the filament in order to modify the extruded color. The filament may then be coupled, collapsed, or otherwise closed about the interior surface, e.g., by a mechanical coupler, to substantially enclose the interior surface of the filament, which is then fed to the extruder for fabricating a colored object in a three-dimensional fabrication process. By enclosing the colored surface within the filament before melting for extrusion, transition effects of a color change can be mitigated and transition time for a substantially complete change in color can be significantly reduced.

Abstract: [Object] It is an object to provide a method for forming a three-dimensional object that suppresses generation of streaks on the three-dimensional object, which streaks are parallel to a main scanning direction. [Means of Realizing the Object] A method for forming a three-dimensional object includes a slice information calculation step (step ST23) of dividing three-dimensional data of the three-dimensional object into a plurality of layers so as to calculate cross-sectional slice information of each of the layers; and a unit-layer formation step (step ST27) of forming each of the layers based on the cross-sectional slice information. The unit-layer formation step (step ST27) is repeated a plurality of times. The unit-layer formation step (step ST27) includes a printing step (step ST27A) of extruding inks onto a work surface while moving the extruders in the main scanning direction so as to form a single print path.

Abstract: A three-dimensional modeling apparatus includes a heating portion, a nozzle, a member, and an ejection port switching portion. The heating portion configured to heat and fuse a thermoplastic resin. The nozzle configured to guide the fused thermoplastic resin to an ejection port. The member disposed to be slidable on a distal end surface of the nozzle and provided with plural openings. The ejection port switching portion configured to align one opening among the plural openings with a distal end of the nozzle.

Abstract: A method for the layered construction of a shaped body of highly viscous photopolymerizable material, includes forming layers of the shaped body one after the other and one on top of the other by each forming a material layer of predetermined thickness (a) of the highly viscous photopolymerizable material in a tank, lowering a construction platform, or the shaped body at least partially formed on the construction platform, into the material layer so as to cause a layer of the highly viscous photopolymerizable material to form between the construction platform or the shaped body and the tank bottom, curing such layer in a position-selective manner, in particular by irradiation through the tank bottom, to provide the desired shape of the shaped body layer, wherein the thickness (a) of the material layer is varied at least once during the layered construction of the shaped body.

Abstract: The present disclosure provides methods for printing at least a portion of a three-dimensional (3D) object, comprising receiving, in computer memory, a model of the 3D object. Next, at least one filament material from a source of the at least one filament material may be directed towards a substrate that is configured to support the 3D object, thereby depositing a first layer corresponding to a portion of the 3D object adjacent to the substrate. A second layer corresponding to at least a portion of the 3D object may be deposited. The first and second layer may be deposited in accordance with the model of the 3D object. At least a first energy beam from at least one energy source may be used to selectively melt at least a portion of the first layer and/or the second layer, thereby forming at least a portion of the 3D object.

Abstract: The present disclosure provides methods for printing at least a portion of a three-dimensional (3D) object, comprising receiving, in computer memory, a model of the 3D object. Next, at least one filament material from a source of the at least one filament material may be directed towards a substrate that is configured to support the 3D object, thereby depositing a first layer corresponding to a portion of the 3D object adjacent to the substrate. A second layer corresponding to at least a portion of the 3D object may be deposited. The first and second layer may be deposited in accordance with the model of the 3D object. At least a first energy beam from at least one energy source may be used to selectively melt at least a portion of the first layer and/or the second layer, thereby forming at least a portion of the 3D object.

Abstract: The present disclosure provides methods for printing at least a portion of a three-dimensional (3D) object, comprising receiving, in computer memory, a model of the 3D object. Next, at least one filament material from a source of the at least one filament material may be directed towards a substrate that is configured to support the 3D object, thereby depositing a first layer corresponding to a portion of the 3D object adjacent to the substrate. A second layer corresponding to at least a portion of the 3D object may be deposited. The first and second layer may be deposited in accordance with the model of the 3D object. At least a first energy beam from at least one energy source may be used to selectively melt at least a portion of the first layer and/or the second layer, thereby forming at least a portion of the 3D object.

Abstract: An apparatus of adjusting and controlling the stacking-up layer manufacturing comprises a target, a powder providing unit, an energy generating unit, and a magnetism unit. The powder providing unit is coupled on a top of the target. The energy generating unit is also coupled on the top of the target. The powder providing unit provides a powder to a surface of the target. The energy generating unit provides the energy beam to selectively heat the powder on the surface of the target to form a melted or sintered powder layer. The magnetism unit provides a magnetic field to control the solidification of the melted or sintered powder layer.

Abstract: A three-dimensional object is manufactured by selective sintering by means of electromagnetic radiation, wherein the powder comprises a polymer or copolymer having at least one of the following structural characteristics: (i) at least one branching group in the backbone chain of the polymer or copolymer, provided that in case of the use of polyaryletherketones (PAEK) the branching group is an aromatic structural unit in the backbone chain of the polymer or copolymer; (ii) modification of at least one end group of the backbone chain of the polymer or copolymer; (iii) at least one bulky group within the backbone chain of the polymer of copolymer, provided that in case of the use of polyaryletherketones (PAEK) the bulky group is not selected from the group consisting of phenylene, biphenylene, naphthalene and CH2- or isopropylidene-linked aromatics; (iv) at least one aromatic group non-linearly linking the backbone chain.