Abstract: According to some aspects, a method is provided of removing debris from a liquid photopolymer in an additive fabrication device. According to some embodiments, a mesh of solid material may be formed in an additive fabrication device from a liquid photopolymer, and particles of debris present in the liquid photopolymer may adhere to the mesh. The debris may thereby be removed from the liquid photopolymer by removing the mesh from the additive fabrication device. The mesh may then be discarded.

Abstract: A thermoforming apparatus is provided having a frame, a pair of platens, and a platen drive assembly. The platens are carried by the frame on opposite sides of a sheet line each configured to carry a respective die. One platen has a proximal die surface adjacent the sheet line and a rear surface distal the sheet line. The platen drive assembly is interposed between the frame and the one platen and has at least one reciprocating kinematic linkage and a drive motor configured to reciprocate the one platen to and fro relative to another platen. The kinematic linkage has a plurality of links interconnected pivotally together with respective rotation joints and interposed between the frame and the one platen. An outboard-most rotation joint is provided proximate one end of the frame and an inboard-most rotation joint intermediate the rear surface and the proximal die surface. A method is also provided.

Abstract: A template and method of using the template is disclosed. The template can include a body with a first side and a second side, and an extension. The extension can include a first surface adjacent the body, a second surface, and a third surface between the first surface and the second surface, where the first surface includes a curvature and where a portion of the curvature of the first surface is interior to the third surface. The method can include dispensing a formable material over a substrate, where the substrate includes a non-uniform surface topography. The method can also include curing the formable material contacting the second surface of the extension to form a layer over the substrate while the formable material contacting the third surface of the extension remains in a liquid state, wherein curing is performed while the template is contacting the formable material.

Abstract: The method for manufacturing a multitude of devices comprises: providing a replication tool comprising a tool material; conditioning the replication tool, wherein the conditioning comprises applying a treatment to the tool material, wherein the treatment comprises exposing the tool material to a conditioning material. And it further comprises, after the conditioning: carrying out one or more replication processes, wherein in each of the one or more replication processes, one or more of the devices are produced from a replication material by replication using the replication tool. The treatment can comprise dimensionally changing the tool material by the exposure of the tool material to the conditioning material. Before carrying out the replication processes, the conditioning material can be hardened and removed.

Abstract: Additive layer manufacturing apparatus utilizing a housing, which bounds a vacuum chamber and has a window for monitoring a region of the chamber in which additive layer manufacturing is to be carried out, and an electron beam column for generating an electron beam and transmitting the beam through the chamber to the region for action on successive layers of fusible powder material, particularly metallic material, to produce an article therefrom. In order to combat the problem of deposition on the window of metal material escaping from the layer as gaseous phase constituents with a boiling point below the melting point of the material, an optical element is arranged in the chamber to intercept such liberated gaseous phase constituents, which in a vacuum environment in the chamber travel along an optical path between the region and the window, and optical element heating means substantially preventing condensation of the intercepted constituents.

Abstract: According to some aspects, a method is provided of removing debris from a liquid photopolymer in an additive fabrication device. According to some embodiments, a mesh of solid material may be formed in an additive fabrication device from a liquid photopolymer, and particles of debris present in the liquid photopolymer may adhere to the mesh. The debris may thereby be removed from the liquid photopolymer by removing the mesh from the additive fabrication device. The mesh may then be discarded.

Abstract: A system and method to determine a non-plastic state shrinkage (NPSS) characteristic of a cement slurry. The system and method can include operations of transmitting an ultrasonic signal through the slurry, recording a transit time of the ultrasonic signal as the slurry cures, plotting the transit time, measuring and plotting a shrinkage of the slurry, determining a transition of the transit time from an increased rate of change to a decreased rate of change, determining a first curing time at the transition, determining the detected volume at the first curing time based on the second plot; and determining a change in the detected volume from the first curing time to a second curing time, wherein the second curing time is after the first curing time.

Abstract: An adhesive dispensing system for applying liquid adhesive to a substrate using different nozzles with the same manifold is disclosed. The adhesive dispensing system includes a manifold having a body, a first clamp configured to engage the body of the manifold, a second clamp configured to engage the body of the manifold, and a nozzle. The first and second clamps secure the nozzle to the body of the manifold. The body of the manifold has a first contact surface that engages the first clamp and a second contact surface that engages the second clamp and the nozzle, where the second contact surface is angularly offset from the first contact surface.

Abstract: An inspection system includes: an inspection section provided with an inspection part having a plurality of inspection units each including a tester that performs an electrical inspection of an inspection target, and a probe card provided between the tester and the inspection target; and a loader section including an arrangement part in which a storage container for the inspection target is disposed, and a loader that delivers the inspection target between the storage container and the inspection section. The inspection part includes a plurality of inspection unit rows that are formed by arranging the plurality of inspection units in one horizontal direction and arranged in a plurality of tiers in a vertical direction. The arrangement part is provided on an end part side in one direction of the inspection part.

Abstract: An apparatus and method for generating a three-dimensional object. The apparatus includes a build material area, at least one agent distributor with a fluid reservoir to store fluid agent and at least one fluid ejection die to selectively eject fluid agent in the build material area. A cooling system to remove heat from the at least one fluid ejection die has a heat sink. The at least one fluid ejection die is in thermal contact with the heat sink via the fluid agent of the fluid reservoir.

Abstract: The invention relates to a calibration device (1) for calibrating a blown film (6), said device comprising; —a tubular region (55) with at least one inner wall (92), through which region the blown film (6) can be passed; —a liquid reservoir which provides a liquid and which is situated above the tubular region (55); an inlet region, in which the liquid can be introduced into the space between the outer wall of the blown film (6) and the inner wall (92) of the tubular region (55); and —a scraper device (117), situated below the tubular region (55), by means of which scraper device at least part of the liquid can be removed from the outer surface. The distance of the liquid-removing regions of the scraper device (117) from the main axis of the blown film (6) can be altered.

Abstract: In an injection molding system, a molded part transport apparatus and a worker share an area to perform cooperative work. When a molded part check mode is valid, conforming product identification inspection of a molded part is performed in an area where the worker works, and molded part sorting means sorts the molded part on the basis of a result of the inspection. As a result, the conforming product identification inspection of the molded part can be performed and the molded part can be sorted with the safety of the worker is maintained.

Abstract: A purging agent that has excellent purging performance without generation of aggregate is disclosed as a purging agent used in a purging operation where a resin to be processed contains a polar group-containing thermoplastic resin. This purging agent contain a hydrocarbon-based resin, and at least one metal salt among an alkaline metal salt and alkaline earth metal salt, has a water content of 0.15% by weight or less, and includes 0.1 to 20% by weight of the metal salt expressed as the metal relative to the hydrocarbon-based resin.

Abstract: A numerical controller instructs a robot or an automated machine (external device), in relation to a main task for which a retrying operation thereof has occurred, to execute, instead of or in addition to the main task, a sorting task to distinguish an exception molded product, which was produced from a time when a determination result became successful, and until a physical quantity to be measured lies within a management range, or until a stand-by time elapses, from a normal molded product produced before the occurrence of the retrying operation.

Abstract: The instant disclosure relates to ethylene vinyl alcohol pellets including one or more fluorine-containing micro-particles having a particle size that is not greater than 20 ?m. The EVOH films formed from the EVOH pellets may have a Charpy impact strength of at least 2.45 KJ/m2 according to ISO 179-1 at 23° C. and an elongation at break of at least 17.8% according to ISO 527-2 at 23° C.

Abstract: A co-injection nozzle for an injection moulding device for producing multi-layered injection-moulded products. The nozzle includes: a central bore; a valve needle for opening and closing a nozzle opening; an annular inner melt channel for the first melt; an annular central melt channel for a second melt; and an annular outer melt channel for the first melt. The inner, central and outer melt channels are fluidically combined in the region of the nozzle tip to form a concentrically-layered melt stream. The co-injection nozzle has a back-flow barrier, integrated into the central bore, for the second melt, this barrier formed by a cut-out in the valve needle and by a melt channel for the second melt, the channel penetrating the central bore. In the open position of the back-flow barrier, the cut-out is located such that the second melt can flow through the melt channel, whilst flowing in the central bore past the valve needle.

Abstract: A printing module and a three-dimensional printing apparatus using the same are provided. The three-dimensional apparatus includes a rack with a printing region and a standby region and a control module. The printing module includes a carriage assembly disposed at the rack and is electrically connected to the control module, a first supporting stand disposed at the carriage assembly to be driven thereby, at least one second supporting stand disposed at the standby region, at least one printing head assembly electrically connected to the control module and having a first buckling portion, and a quick release driving assembly disposed at the first supporting stand and electrically connected to the control module. The control module drives the quick release driving assembly to pick and place the printing head assembly between the first supporting stand and the second supporting stand.

Abstract: A main body portion is disposed at a regular position by inserting a protrusion into an engaging portion formed in a leg portion of the main body portion in accordance with a forward movement of a sliding mold including the protrusion. Then, an injection molding mold is completely closed to cause at least a part of a mold surface of the sliding mold to come into contact with the main body portion.

Abstract: A three-dimensional printing method for a three-dimensional printer is provided. The three-dimensional printer includes a model printing head, a color printing head, and a platform. The model printing head prints a forming layer on an X-Y plane of the platform. The model printing head and the color printing head are arranged along an X-axis and co-constructed. The three-dimensional printing method includes: providing information of the forming layer and a coloring zone thereof; driving the model printing head by a processor to print the forming layer and at least one material barrier outside the forming layer; and after printing the forming layer and the material barrier, driving the color printing head by the processor to color the coloring zone along a Y-axis, such that the material barrier is located on a moving path of the model printing head during the coloring.

Abstract: The present invention relates to a mold drum for molding products from a mass of food starting material. The mold drum comprises one or more cavities with a mold cavity wall having at least partially a porous structure, whereas each cavity is connected to a passage. The present invention further relates to a cleaning apparatus for the inventive mold drum with supporting means for supporting the axis of the drum. Additionally, the present invention relates to a process for cleaning the inventive drum.

Abstract: A three-dimensional printing method for a three-dimensional printer is provided. The three-dimensional printer includes a model printing head and a color printing head arranged along an X-axis and co-constructed, wherein the model printing head prints a forming layer on an X-Y plane of a platform of the three-dimensional printer, and the color printing head colors a coloring zone of the forming layer along a Y-axis. The three-dimensional printing method includes: providing information of the coloring zone of the forming layer; determining the number of colorings of the color printing head according to the information of the coloring zone by a processor; and driving the model printing head by the processor to print the forming material outside a region of the forming layer.

Abstract: An injector for a plastic material injection molding apparatus whose cylindrical pin-shaped valve that is axially displaceable between an advanced fully closed position and a retracted position of maximum opening, is provided in proximity to a distal end thereof with a reduced diameter cylindrical portion which delimits with the outlet end of the tip of the nozzle terminal an annular passage having a constant cross-section. When the pin valve is between fully closed and maximum opening positions, the reduced diameter cylindrical portion can be selectively positioned in intermediate positions so as to vary the axial extension of the annular passage to adjust the pressure drop of the injected plastic material.

Abstract: In a control device of an injection molding machine, an operation mode of a resin purge operation is adjusted so that a plasticization amount index related to a plasticization amount of resin per unit time in the resin purge operation is approximately accorded with a target plasticization amount index which is set. Accordingly, thermal degradation of resin can be prevented, active time from start of a molding operation to completion of a non-defective molded article can be shortened, and production efficiency can be enhanced. Further, the plasticization amount index is not necessarily set by an operator, so that a load on the operator can be reduced as well.

Abstract: An injector for a plastic material injection molding apparatus whose cylindrical pin-shaped valve that is axially displaceable between an advanced fully closed position and a retracted position of maximum opening, is provided in proximity to a distal end thereof with a reduced diameter cylindrical portion which delimits with the outlet end of the tip of the nozzle terminal an annular passage having a constant cross-section. When the pin valve is between fully closed and maximum opening positions, the reduced diameter cylindrical portion can be selectively positioned in intermediate positions so as to vary the axial extension of the annular passage to adjust the pressure drop of the injected plastic material.

Abstract: A calibration device for calibrating a film hose produced via a blow-extrusion film device, by which the film hose can be brought into a desired diameter, has at least one film guiding element, by which the film hose can be guided. The film guiding element includes at least one elastically deformable element.

Abstract: A process for the formation of highly durable cementitious board using lightweight aggregate is disclosed. The process comprises pouring a core mix onto a conveyor, wherein the core mix is comprised of one or more lightweight aggregate filler in the amount of 0.5 to 5 weight percent of the core mix, one or more binders in the amount of 35 to 75 weight percent of the core mix, rheological admixture in the amount of about 0.5 to 5 weight percent of the core mix, surfactant in the amount of 0 to 0.1 weight percent of the core mix, one or more normal weight aggregate filler in the amount of 5 to 50 weight percent of the core mix, and water in the amount of 5 to 20 weight percent of the core mix. The process further comprises passing the core mix under a screed roller to flatten the core mix to produce an extruding board with a desired thickness.

Abstract: An apparatus for the shaping of plastics material pre-forms into plastics material containers, with a plurality of shaping stations which are arranged on a movable carrier, wherein the shaping stations have blow molds which are used for receiving the plastic pre-forms and inside which the plastic pre-forms are shaped into the plastic containers, and wherein the shaping stations have stressing devices which are movable relative to the plastic pre-forms and which act upon the pre-forms arranged in the blow molds with a sterile flowable medium to expand them, with a clean room, inside which the shaping stations are conveyed, wherein this clean room is arranged or demarcated from the environment by means of at least one wall. At least one supply device is provided for supplying a flowable control medium to at least one shaping station), wherein this supply device (60) is sealed off from the clean room.

Abstract: Disclosed is a materials handling system, a patterned product, and process of fabricating a patterned product. The materials handling system includes an agitation portion having one or more agitators, the agitators arranged and disposed to mix colored particles into a substantially uniform distribution. A processing portion includes a receiving portion arranged and disposed to receive the substantially uniform distribution of the colored particles to form a product with a predetermined pattern. The predetermined pattern is a long-grained, striated or jaspe-grained color pattern. The process includes fabricating a product having such a predetermined pattern. The predetermined pattern is through-patterned as to include colors and textures distributed uniformly throughout the thickness of the product.

Abstract: A recycling method and to a plant (10) for manufacturing containers (12) from thermoplastic preforms (14), is characterized in that the plant (10) includes a circuit (60) for recycling the cooling air from the oven (26) including: extraction elements (56), which are capable of extracting the filtered air injected into the interior of the oven (26) by an air-cooling device (34); and at least one duct (62, 74) capable of bringing all or part of the filtered air extracted from the oven (26) as far as at least one unit (38, 48) of the plant into which the air is injected.

Abstract: A method of building a sequence of tires different from each other, includes generating a first deposition surface by a first series of consecutive circumferential sectors. The first deposition surface is selected as a function of the type of a first tire to be built. Each circumferential sector of the first series is removably coupled to a central body of a forming drum. The method further includes manufacturing at least one component of the at least one first tire by deposition of the at least one component at a radially external position to the first deposition surface of the forming drum, removing the at least one component from the forming drum and replacing each circumferential sector of the first series with a circumferential sector of a second series for generating a second deposition surface selected as a function of the type of a second tire to be built which is different from the first tire.

Abstract: An injection molding apparatus includes a stationary mold and a movable mold, and heats and cools at least one of the stationary mold and the movable mold when forming a molded product by injecting resin into a cavity formed by the stationary mold and the movable mold. The at least one mold to be heated and cooled is separable into a first mold member and a second mold member. When heating the at least one mold, the first mold member and the second mold member are separated from each other so that a space into which thermal fluid is to be injected is formed between the first mold member and the second mold member.

Abstract: Artificial marble having a transparent amorphous pattern includes a base or matrix material portion and a transparent pattern portion. The pattern portion has a specific gravity or about 1.60 or more and is formed by hardening or curing a resin composition comprising a binder selected from halogenated urethane acrylates, halogenated epoxy acrylates and combinations thereof and an acrylic polymerizable monomer.

Abstract: Disclosed is an imprinting apparatus and imprinting method using the same that prevent a process of forming a pattern on a substrate from being affected by flatness of a stage. The imprinting apparatus comprises a chamber unit in which a process of forming a pattern on a substrate is carried out; a stage for supporting the substrate on which a resin layer is formed; an installing member positioned above the stage and having a mold member attached to transform the resin layer so as to form the pattern on the substrate; and a first spraying unit for spraying fluid to separate the substrate supported by the stage from the stage, wherein the installing member moves the mold member in the direction getting near to the substrate separated from the stage so that the mold member and the resin layer are brought into contact with each other.

Abstract: The invention relates to a preparation method for stainless steel slags and modified steelworks slags for recovery of metal. In order to create a dry preparation method which guarantees a low wear and energy efficient comminution and de-agglomeration of stainless steel slags and modified steelworks slags as well as a selective separation of a metal fraction and a silicate fraction and which can be variable in relation to the different slag compositions and different requirements upon the quality of the metal fraction and the at least one silicate fraction, a roller mill is used at least for the comminution. The slags are supplied with a feed grain size of up to approximately 150 mm. The use of an air swept roller mill is advantageous, in which the comminution and de-agglomeration, if necessary drying, and at the same time a separation into an extensively mineral-free metal fraction and a virtually metal-free silicate fraction are brought together.

Abstract: The invention relates to a plunger for feeding encapsulating material to a mould cavity, comprising at least one peripheral groove recessed into the cylinder casing of the plunger whereby a material part is placed in the groove which only partly fills the groove. The invention also related to a device for encapsulating electronic components mounted on a carrier. In addition, the invention also relates to a method for sealing a fitting of a plunger housing, which plunger is adapted to feed encapsulating material under pressure to a mould cavity.

Abstract: The present invention relates to an applicator for applying a composition to the eyelashes or the eyebrows, the applicator comprising: an elongate core that extends along a longitudinal axis; and at least two rows of teeth that are connected to respective and different longitudinal faces of the core, each row of the at least two rows comprising: a first set of first teeth that are connected to the corresponding longitudinal face of the core and that form a first angle with the normal; and a second set of second teeth that are connected to the corresponding longitudinal face of the core and that form a second angle with the normal, the core being observed along its longitudinal axis; the second angle being greater than the first angle; and/or at least one first tooth of the first set and at least one second tooth of the second set having free ends that are situated at different distances from the longitudinal axis of the core.

Abstract: An inner deckle for a die includes a shaft-shaped deckle main body and a sheet- or film-shaped deckle auxiliary portion extending from the deckle main body. The inner deckle is arranged at each end of a die. The die includes a die piece and is formed with a manifold and a slit. The deckle main body includes a seal reinforcing portion. A liquid material is supplied into the manifold. The seal reinforcing portion includes at least one sealing member having two or more films. The films slide and are simultaneously elastically deformed against an inner wall of the manifold when a position of the inner deckle is moved with respect to the die. The films cooperate with each other and are closely attached to the inner wall by an elastic restoring force when the position of the inner deckle is fixed with respect to the die.

Abstract: The present invention relates to a method and a device for cleaning extrusion heads (10) in the extrusion of thermoplastic plastic materials which are ejected or extruded as tubular preform (12) from an extrusion nozzle (14). For removing interfering deposits and cakings (20) on the discharge nozzle (14), according to the present invention the tubular preform (12) is briefly deflected and upset, wherein the deposits (20) adhering in a proximate region of the discharge nozzle (14) are wiped off from the tubular preform (12) and transported away. Advantageously, the tubular preform (12) is during its deflection itself used as cleaning element, wherein the cleaning takes place automatically during the continuous operation of the continuous extrusion without interrupting the production process.

Abstract: The invention provides a culture plate made from a polymer incorporating a culture component releasable into culture media in the well, methods of culturing a microorganisms in the culture plate, and a methods of making the culture plate.

Abstract: An extruder or other similar tool head of a three-dimensional printer is slidably mounted along a feedpath of build material so that the extruder can move into and out of contact with a build surface according to whether build material is being extruded. The extruder may be spring-biased against the forward feedpath so that the extruder remains above the build surface in the absence of applied forces, and then moves downward into a position for extrusion when build material is fed into the extruder. In another aspect, modular tool heads are disclosed that can be automatically coupled to and removed from the three-dimensional printer by a suitable robotics system. A tool crib may be provided to store multiple tool heads while not in use.

Abstract: A head tool changer for use with a deposition-based digital manufacturing system, the head tool changer comprising a tooling unit configured to retain a deposition head, a grip unit configured to engage with tooling unit and to relay electrical power to the tooling unit, and a master unit operably mounted to a gantry and configured to engage with the tooling unit and to relay electrical power to the tooling unit.

Abstract: A method for manufacturing a work piece is provided. The method includes preparing fiberglass in a mold, preparing a closed mold cavity around the fiberglass, flushing the closed mold cavity with an oxygen-free gas, injecting resin in the closed mold cavity, and curing the casted work piece. Furthermore, a work piece manufactured by the above method is provided.

Abstract: The process of preparing a middle ear prosthesis of polymeric material by injection moulding technology according to the presented invention is characterized by drying the thermoplastic polymer granules, preferably high density polyethylene or polyamide or polysulphone, at a temperature in the range of 60 to 150° C. for a period of 2 to 8 hours. Subsequently granules are plasticized and then injected at a temperature between 180 and 400° C. into the mold heated to a temperature between 60 and 150° C. Then obtained moulder is cooled and in the final stage it is hermetically packed in a vacuum and sterilized. In addition, the granules of the thermoplastic polymer composite are used, obtained by addition of bactericidal additive introduced into the thermoplastic polymer granules, preferably a silver powder with a particle size from 15 to 100 nm, in an amount of 0.1-3 wt %.

Abstract: When extrusion of a molten resin by means of an extruder is started, a simple polyetherimide resin is melt extruded from a lip portion 7a of a T-die 7, and a film of the simple polyetherimide resin is molded. The molding material is then switched to a resin composition including the polyetherimide resin and a fluorine resin and then a film of the resin composition is continuously extruded and molded from the T-die 7. Having been covered with a very thin film 8a of the simple polyetherimide resin, on a flow passage face of the lip portion 7a of the T-die 7, a resin composition layer 8b including a polyetherimide resin and a fluorine resin, which has affinity with the film 8a, is then formed at a center part.

Abstract: A method is provided of cleaning of a portion of a mold component, the portion of the mold component including a passage configured, in use, to allow passage of fluid and to prevent passage of melt, the method comprising: entering the mold component into a cleaning configuration, whereby a portion of the passage becomes part of a molding surface; performing a molding cycle to fill in at least the portion of the passage with molding material for incorporation and removal of a residue there from. Also provided is a mold having a first mold half and a second mold half, the halves being movable relative to each other.

Abstract: An imprint apparatus which brings a resin on a substrate into contact with a pattern surface of a mold and cures the resin, includes a substrate holder which holds the substrate, a mold holder which holds the mold with a mold holding surface, a driving mechanism which moves the substrate holder relative to the mold holder, and a controller which controls the driving mechanism such that the substrate holder moves relative to the mold holder while the substrate holder holds a cleaning member instead of the substrate, and the cleaning member is in contact with the mold holding surface, thereby cleaning the mold holding surface.

Abstract: Provided is a method of manufacturing a polyimide substrate. An acid solution is provided to a glass substrate to remove a first cation included in the glass substrate, and a source solution including polyamic acid is provided to the glass substrate. Then, the polyamic acid is cured to form a polyimide substrate on the glass substrate, and the polyimide substrate is separated from the glass substrate.

Abstract: According to one embodiment, a mold cleaning apparatus includes a holding unit, a medium supply unit and a deformation unit. The holding unit is configured to hold a mold. The mold has a concave pattern feature. The concave pattern feature is provided on a first surface of a base plate. The medium supply unit is configured to supply a medium to the concave pattern feature. The deformation unit is configured to bend the mold such that the first surface of the mold is convex.

Abstract: In a machine for molding colored plastic foam material, a cleaning cycle is performed, before changing color, to clean a feed circuit having a reservoir and interposed, in the machine, between a storage bin and a mold; the cleaning cycle including: emptying the reservoir by suction to remove any material still inside the reservoir; injecting compressed air into the feed circuit so that any material remaining along the feed circuit is at least partly expelled from the feed circuit and at least partly fed into a header located at the bottom of the reservoir; and emptying the header by suction.

Abstract: A lubricating system indirectly applies a bladder release agent to a green tire and cures the green tire in a tire curing machine. The system includes a deposition device and a curing bladder. The deposition device directly applies bladder release agent on to a deposition bladder. The deposition bladder is inflated within the green tire in order to deposit the bladder release agent on to an inner surface of the green tire. The curing bladder subsequently receives the green tire with bladder release agent deposited therein and cures the green tire.