Abstract: The present invention relates to a device for manufacturing three-dimensional models by means of a 3D printing process, whereby a build platform for application of build material is provided and a support frame is arranged around the build platform, to which said support frame at least one device for dosing the particulate material and one device for bonding the particulate material is attached via the guiding elements and the support frame is moveable in a Z direction, which essentially means perpendicular to the base surface of the build platform, said movement provided by at least two vertical positioning units on the support frame. In this respect, it is provided that the positioning units are respectively separate components and are arrangeable on the support frame independently from one another and the location and orientation of such can be adjusted independently from one another.

Abstract: Branched end reactants having two or three functional groups at the ends are disclosed. The branched end reactants are used to prepare crosslinked hydrogel tissue adhesives, which have a good balance of mechanical properties in an aqueous environment. Kits comprising the branched end reactants and methods for applying a coating to an anatomical site on tissue of a living organism are also disclosed.

Abstract: A method and system is provided for forming a three-dimensional image and, more particularly, for making three-dimensional digital image transfer thermoformed objects on, e.g., generic molds. The system comprises a computer infrastructure operable to receive images of a subject.display the images, stitch together the images to form a single image, adjust portions of the images or single image to compensate for deformation during thermoforming of the single image, register the single image with points on a moldm, and print the single image.

Abstract: The polymer processing machine, is an injection molding machine, which has at least two electrical consumers (1, 2, 3, 4). At least one of the electrical consumers (1, 2, 3) is also designed as a generator for the conversion of kinetic energy into electrical energy. The machine is connected for its supply with electrical energy with an electrical alternating current network (5). To increase the energy efficiency of the machine, the electrical network (5) is connected to a direct current intermediate circuit (7) via a rectifier (6). At least a part of the electrical consumers (1, 2, 3, 4) are electrically connected to the direct current intermediate circuit (7) and are powered from the direct current intermediate circuit (7) with electrical energy. At least a part of the electrical consumers (1, 2, 3) which are designed as generator operation are electrically connected to the direct current intermediate circuit (7) for supplying it with generated electrical energy.

Abstract: A power supply device for supplying an electric power to a servo amplifier is configured by an AC/DC converter and a power accumulating device. Among a molding cycle, during a process where an amount of consumed power is small, a DC voltage is supplied to the servo amplifier from the AC/DC converter and a power is accumulated in the power accumulating device. In a process such as an injection process where a large power is required, a high DC voltage is supplied to the servo amplifier from the power accumulating device in place of the AC/DC converter.

Abstract: The invention relates to an apparatus for test pressing tablets with at least two lavers.

Abstract: The present invention provides blowing agent introduction systems and methods for introducing blowing agent into polymeric foam processing systems. The methods may involve introducing one or more doses of blowing agent into polymeric material in an extruder during a plastication period of a molding cycle. Prior to introduction, a dose is confined in an accumulator which, for example, has a volume defined between an inlet valve and an outlet valve. A control system may receive inputs related to system parameters (e.g., pressure of polymeric material in extruder, axial position of screw in barrel, whether screw is rotating, and the like) and based on the inputs coordinates operation of the valves to confine and introduce the blowing agent dose(s). The introduction systems may be used in discontinuous plasticating processes, such as injection molding and blow molding, and can be particularly useful in processes that use precise quantities of blowing agent.

Abstract: A print head assembly that includes a print head carriage and multiple, replaceable print heads that are configured to be removably retained in receptacles of the print head carriage. The print heads each include a cartridge assembly and a liquefier pump assembly retained by the cartridge assembly.

Abstract: An installation for producing cast products includes a tempering machine for at least some of the casting mass, a storage container for the casting mass, a casting machine, and a device for further processing the cast products. At least some of the casting mass is fed to the storage container from the tempering machine, depending on at least one controlling or regulating signal which is based on current and/or expected consumption of casting mass by the casting machine and/or the casting installation. As a result, the installation can be operated at lower cost and extreme fluctuations in the filling level of the storage container can be better prevented, avoiding interruptions in the supply of casting mass to the casting machine.

Abstract: A method for stretch-blowing containers of preforms in a blow-molding station of a blow-molding machine, where a stretching bar is adjusted during a stretching process via an electric servomotor by taking along the preform bottom until it contacts a mold cavity bottom of a blow mold, and where in the final phase or at the end or after termination of the stretching process the force transmitted by the servomotor to the stretching bar is reduced in a controlled manner by a maximum force. A stretch-blowing machine, including an electronic programmable control unit having an input section for programming a fixed or a variable reduction of the force the servomotor transmitted in a final phase or upon termination or after termination of each stretching process to the stretching bar with regard to a maximum force and a fixed or a variable period of time for the force reduction and/or a fixed or a variable force reduction waiting time.

Abstract: The present invention is a system for electronically controlling the movement of a pin assembly used in a valve gate mechanism of an injection molding machine. The system of the present invention includes at least one valve which is part of an injection molding machine, as well as a graphical user interface which is operable for controlling the injection molding machine and the valve. Additionally, the present invention also includes controlling the injection molding machine electronically for improving the control over the opening and closing of the valves.

Abstract: An apparatus for producing plastic containers includes a heating module that heats plastic preforms and a moulding module for moulding the preforms into containers. The heating module includes a first transport unit that transports the preforms during the heating and a first interface. The moulding module is downstream of the heating module in the transport direction and includes a blow moulding unit for applying a flowable medium onto the preforms for expansion thereof, a second transport unit that transports the preforms during the expansion, and a second interface. The first and second interfaces allow a mechanical connection and an electrical connection between the modules such that the moulding module may be disposed on the heating module and at least one further module integrated between the heating and moulding modules. The further module treats the preforms following the heating and prior to the moulding.

Abstract: Disclosed is a housing support for an apparatus that is used for providing packaging material. A device for shaping the packaging material in order to form filling material this is discharged at an outlet of the housing support is rotatably mounted on the housing support. The housing support comprises a hopper on which a holder for a packaging material reservoir can be mounted and via which the packaging material is fed to the shaping device, a discharge orifice that delimits the outlet, and a bearing structure which is arranged between the hopper and the discharge port in the feeding direction and on which the shaping device can be rotated. The hopper, the discharge port, and the bearing structure are arranged to rest against each other in such a way that a continuous feeding path encompassing an especially rectilinear axis of the feeding direction is formed through the housing support.

Abstract: A forming tool, advantageously made from a metal with a forming contact surface (4, 5) and with one or several temperature regulation canals (T1) which are integrated in the tool (2, 2.1) and through which a fluid flows, characterised in that an electric conductor in the form of an inductor (9) is arranged at the internal wall of the temperature regulation canals (T1) and, if need be, with the insertion of a dielectric layer covering the temperature regulation canals (T1).

Abstract: A system for building a three-dimensional object with a layer-based additive technique, the system comprising a controller configured to receive build sequence data for the three-dimensional object, a head assembly in signal communication with the controller and configured to form a plurality of layers of the three-dimensional object based on the build sequence data, and an insert placement apparatus in signal communication with the controller and configured to place at least one insert in the plurality of formed layers based on the build sequence data.

Abstract: A hand operated injection molding machine apparatus constructed from prefabricated sub-assemblies and a desired mold clamping means attached to a main support structure, and then electrically integrated with each other.

Abstract: Each of a plurality of injection molding machines is provided with clamp plates fixed on platens and a plurality of magnet units to generate magnetic force for fixing a mold to the clamp plate fitted on the clamp plates; and the plurality of injection molding machines are provided with a plurality of common connectors having the same structure, each of which is electrically connected to the magnetic unit, a molding machine control unit and a power source device; and the mold fixing system comprises a set of operation control units to be shared by the plurality of injection molding machines, and when a mold is to be exchanged in any of the injection molding machines, the plurality of magnet units are switched to the non-adsorbing state or the adsorbing state via the operation control unit in the state where the operation control unit is connected to the common connector of the injection molding machine.

Abstract: A blowing machine used to produce containers of correctly temperatured preforms in blowing stations including correctly temperatured blow molds, having functional get-up components such as at least electric servomotors assigned to at least the blowing stations to control and/or monitor secondary functions of functional get-up components during production. In order to bring at least some of said functional get-up components for secondary functions to the correct temperature, an electrically operated, controllable liquid temperature control system is supplied by at least one temperature control device and is integrated into the blowing machine and guided through the functional get-up components.

Abstract: An apparatus for manufacturing products from material which is thermoplastically deformable, as from plastic, comprising: —a mold (2) with at least one mold cavity (3); —in the or each mold cavity (3) at least one slide (8); —movement means for moving each slide (8); —closing means for opening and closing the mold (2); —feed means for introducing, with the mold cavity (3) closed, said material in at least substantially plastic condition into the or each mold cavity; wherein the movement means (9) for moving the slide (3) are arranged for moving said slide forward at a relatively high speed relative to the movement speed of the mold parts upon opening and closing thereof, from a position at least partly retracted from the mold cavity, such that said material, as a result, is displaced in the mold cavity for obtaining the filling thereof, preferably at a speed high such that adiabatic heat development occurs in the or each mold cavity.

Abstract: The invention relates to a controller for a machine with a number of functional units, wherein the controller comprises at least one input and output device for setting or displaying the movement sequences and/or state variables of the functional units of the machine and operator control elements for selecting specific input and display functions. The input and display functions are arranged in groups on various levels, all the functional units of the process are depicted by means of associated operator control elements on a first, upper input and display level. All the input and display functions associated with a functional unit are respectively depicted on in each case one or more further levels, which can respectively be activated directly by actuation of the corresponding operator control element of the first level.

Abstract: An injection molding machine is provided with a mold forming a cavity into which a resin is injected, a liquid supplying device which supplies a liquid continuously to an internal flow channel of the mold during a preparation period prior to injection of the resin and an injection period in which the resin after the preparation period is injected, an electricity supplying device which supplies electricity to an electric heater arranged on the mold at least during a part of the preparation period, thereby heating the mold, and a controller which carries out a predetermined procedure for making different a temperature of a liquid in the internal flow channel between the preparation period and the injection period.

Abstract: The polymer processing machine, is an injection moulding machine, which has at least two electrical consumers (1, 2, 3, 4). At least one of the electrical consumers (1, 2, 3) is also designed as a generator for the conversion of kinetic energy into electrical energy. The machine is connected for its supply with electrical energy with an electrical alternating current network (5). To increase the energy efficiency of the machine, the electrical network (5) is connected to a direct current intermediate circuit (7) via a rectifier (6). At least a part of the electrical consumers (1, 2, 3, 4) are electrically connected to the direct current intermediate circuit (7) and are powered from the direct current intermediate circuit (7) with electrical energy. At least a part of the electrical consumers (1, 2, 3) which are designed as generator operation are electrically connected to the direct current intermediate circuit (7) for supplying it with generated electrical energy.

Abstract: An extruder device includes an extruder worm and a worm drive that has a drive motor, which is provided with a rotor. The rotor is connected to the extruder worm during operation in such a way that the rotor and extruder worm rotate at the same speed during operation. The rotor can be connected to detachable torque-transmitting elements which transmit torque between the rotor and the extruder worm and which can be detached when refitting occurs. The detachable torque-transmitting elements include a torque-transmission point at which torque is transmitted from a bushing to a connecting section which is at least partially encompassed by the bushing. The torque-transmission point in an axial direction is located outside the rotor.

Abstract: The invention relates to a method and a device for producing a multi-colored composite thread made of a plurality of extruded colored filament bundles. To this end, a plurality of different dyed polymer melts is generated and extruded in parallel through a plurality of spinnerets to form the colored filament bundles. The colored filament bundles are brought together as a mixed color to form the composite thread. In order to generate a color pattern or to correct the mixed color of the composite thread, according to the invention, the generation of the dyed polymer melts is modified during the extrusion of the filament bundle in order to modify the mixed color of the composite thread.

Abstract: The present invention includes embodiments that generally relate to methods and devices for control of electrospinning processes. Some embodiments include constant current electrospinning jets. Other embodiments include pressure control using a system of valves in fluid communication with the electrospinning fluid. Still other embodiments include control of one or more physical parameters.

Abstract: A support material for use with a digital manufacturing system, the support material comprising at least one inorganic ionic compound and is configured to be deposited with the digital manufacturing system using a layer-based additive technique to form a support structure for supporting at least one overhanging region of a three-dimensional model built with the digital manufacturing system.

Abstract: Arrangement for producing a three-dimensional product, which arrangement comprises a work table on which said three-dimensional product is to be built up, a powder dispenser which is arranged so as to distribute a thin layer of powder on the work table for forming a powder bed, a radiation gun for delivering energy to the powder, fusing together of the powder then taking place, means for guiding the beam emitted by the radiation gun over said powder bed for forming a cross section of said three-dimensional product by fusing together parts of said powder bed, and a control computer in which information about successive cross sections of the three-dimensional product is stored, which cross sections build up the three-dimensional product, where the control computer is intended to control said means for guiding the radiation gun over the powder bed according to an operating scheme forming a cross section of said three-dimensional body, said three-dimensional product being formed by successive fusing together of s

Abstract: An expanded polystyrene (EPS) recycling and extruding machine is shown and described. The machine comprises a conveyor for transporting waste pieces of EPS of various sizes into the device. A housing surrounds upper and lower crushers that break down the EPS pieces in to progressively smaller pieces before depositing them through a screen that selectively prevents pieces above a predetermined size from passing. Below the screen, the small EPS pieces fall into a heated extruding mechanism that melts the pieces into a liquid and urges the liquid forward by means of an Archimedian screw to a nozzle, through which the reconstituted EPS is extruded for collection and reuse.

Abstract: An injection molding apparatus provided with a central control and with a screw which extends in a cylinder, which cylinder is provided with a filing opening and with a nozzle, the screw being drivingly connected with two controllable electric motors such that a movement in rotational and/or axial sense can be imposed on the screw, the driving connection comprising a number of cylindrical planetary rollers accommodated for rotation in a planetary cage such that the planetary rollers can be engaged from a space located radially outside the planetary cage and a space located radially within the planetary cage, the planetary cage being connected to the screw in a manner secured against rotation, while a first drive part connected with a rotor of the first electric motor, is provided with a first engaging surface facing radially inward which engages the planetary rollers from the space located radially outside the planetary cage, while a second drive part, connected with a rotor of the second electric motor is pr

Abstract: A method for manufacturing an ophthalmic lens comprising introducing a volume of photocurable lens material into a container, wherein said container comprises a mold surface. The method further comprises creating a digital 3-D mathematical model defining corrective needs of an eye and projecting programmed patterns of UV light through said mold via a pattern generator, wherein said programmed patterns of UV light cure said photocurable lens material into a lens shape defined by said mold surface and said digital model.

Abstract: A power supply device for supplying an electric power to a servo amplifier is configured by an AC/DC converter and a power accumulating device. Among a molding cycle, during a process where an amount of consumed power is small, a DC voltage is supplied to the servo amplifier from the AC/DC converter and a power is accumulated in the power accumulating device. In a process such as an injection process where a large power is required, a high DC voltage is supplied to the servo amplifier from the power accumulating device in place of the AC/DC converter.

Abstract: A molding machine (10) has induction heating means for heating a heating cylinder (51) by induction heating. The induction heating means includes a plurality of induction heating coils (112-1 to 112-4) provided in the heating cylinder (51) and a plurality of electric power supply control parts that control electric power supplied to those coils. The electric power supply control parts have heating part controlling inverters (114-1 to 114-4) to which an electric power is supplied from a direct current power source circuit (40), respectively. Each of the heating part controlling inverters performs a frequency control or an electric current control of an electric power to supply.

Abstract: A hand operated injection molding machine apparatus constructed from prefabricated sub-assemblies and a desired mold clamping means attached to a main support structure, and then electrically integrated with each other

Abstract: System and methods involving pattern molds are provided. In this regard, a representative system includes a mold assembly unit having a movable fixture holder operative to engage a portion of a pattern mold and position the pattern mold for assembly.

Abstract: The present invention is directed to a materials extrusion device including a screw extruder with a plunger feeder. It includes a screw extruder having a main housing, a materials advancing screw, a screw drive mechanism, a feed port for inputting materials to be extruded and an extrusion outlet port. It also includes a plunger feeder having an elongated, upwardly biased (non-horizontal) plunger housing, e.g., a cylinder, with a plunger. A plunger drive mechanism is connected to the plunger to move the plunger upwardly and downwardly within the plunger housing, and there is a feed outlet at an upper end of the plunger housing, the feed outlet being connected to the screw extruder feed port.

Abstract: Method and apparatus for controlling a vent gap in a mold for an injection molding machine are provided, and include an active material insert configured to be regulate the degree of opening of the vent gap. The active material insert is configured to be actuated in response to signals from a controller, so as to selectively block the opening of the vent gap during the molding process. Wiring structure is coupled to the active material insert, and is configured to carry the actuation signals. Melt flow sensors may also be provided to aid in regulating the vent gap, and may be connected to the controller in order to provide real-time closed loop control over the operation of the vent gap. Preferably, the methods and apparatus are used as part of a system for controlling the flow of melt within a mold cavity.

Abstract: Embodiments of the present invention teach a method for post-mold treatment of a molded article and an apparatus for implementing the method. For example, a method of post-mold treatment of a molded article is provided. The method can be implemented in a molded article receptacle. The method comprises at a first instance in time, subjecting the molded article to a first type of post-mold treatment; and at a second instance in time, subjecting the molded article to a second type of post-mold treatment.

Abstract: A hand operated injection molding machine apparatus constructed from prefabricated sub-assemblies and a desired mold clamping means attached to a main support structure, and then electrically integrated with each other.

Abstract: Methods and apparatuses are disclosed for applying melt flowable materials to components of articles of manufacture. The methods and apparatuses disclosed herein are concerned with formation of appropriate flowable materials, control over the manner in which the flowable materials are applied, treatment of the components prior to application of the flowable materials and the like. Moreover, the apparatuses and methods may be particularly suited for applying flowable materials to surfaces and components found in automotive, aerospace, and marine vehicles.

Abstract: An injection molding machine (1) for injection molding of injection molded parts (32) preferably having a foamed core and an enclosure made of a shell material is provided. The machine includes an injection station (2) with an injection molding tool that can be placed inside a holding device (6). The injection molding tool has a pair of molding inserts (7), including a nozzle-side mold half (7a) and a closing-side mold half (7b). A number of pairs of molding inserts (7) are provided that have locking devices for holding the pairs of molding inserts (7) together when the holding device (6) is open. Thus, they can be removed from the holding device (6) while locked. In addition, at least one storage and cooling station (3) and at least one molding release station (4) are provided.

Abstract: Disclosed are: (i) a molding-system drive, and (ii) a molding system having a molding-system drive, amougst other things.

Abstract: A plant for the manufacture of tablets, comprising a rotary tabletting machine, a control cabinet which houses a machine computer, a control desk which preferably is mobile and houses a service computer to operate functions of the tabletting machine and store data including an emergency stop, a printer connected to the control desk, and peripheral devices such as a tablet tester, dust trap, etc., wherein said control cabinet, control desk, and further peripheral devices have a power supply and are connected to said tabletting machine, wherein said control desk and said tabletting machine have a transceiver each and two wireless transmission links are provided between said transceivers out of which one is designed to transmit data and control signals and the other one is designed to transmit an emergency stop signal.

Abstract: Powdered starting material utilized for molding (e.g., rotational molding, injection molding, blow molding), extrusion, and the like can be preheated to reduce the time required to complete the processing of the material. After being preheated to a temperature below a melting temperature of the powder, the powder is transferred to a processing station. For example, in a rotational molding system, the preheated powder is transferred to a mold, where the preheated powder is melted and the mold is rotated such that the molten material adheres to the walls of the mold. After obtaining a desired distribution of the material over the walls of the mold, the temperature of the mold is decreased as rotation of the mold continues. When the article is sufficiently cooled, the article is removed from the mold.

Abstract: The invention is a pressure reducing valve for reducing the pressure supplied to a head tooling hydraulic positioning valve and a controller for bypassing the pressure reducing valve in a blow-molding machine. A pressure-reducing valve and electrical controller are used to regulate the pressure of a cylinder that controls the position of a head tooling pin and die assembly in a blow-molding machine. The invention reduces pressure during all time intervals except during a “parison formation” interval of the cycle. The invention is also a process for regulating the pressure of a cylinder that controls the position of a head tooling pin and die assembly in a blow-molding machine and for bypassing the pressure reducing valve in a blow-molding machine.

Abstract: A potter's wheel for working clay and other pottery material on a turntable driven by a DC brushless motor. In order that driving speed is not affected by the load due to user's access to the work of clay, the speed of the motor detected by a speed detector is fed back to a speed control signal generator and a motor driving control signal is generated as a function of the difference between the detected motor speed and a directed speed inputted through a speed setter in response to the operation to a manipulation member. Then, a motor control generates such a motor driving signal as to make the motor driving control signal zero, with the motor driving signal being fed to the motor, thereby controlling the rotational speed of the turntable to be a directed value regardless of the load applied to the turntable via the work.

Abstract: An extruder which converts preferably granular plastic material into the melted state and which includes an extruder screw rotating within a cylinder and connected to a drive unit having a motor and at least one rotor so that the drive unit provides torque for rotary motion of the extruder screw. The extruder screw and the rotor exhibit the same speed in operation.

Abstract: A high volume lens curing system is described. The high volume lens curing system may be configured to cure multiple eyeglass lenses in a continuous manner. The system may include ones or more lens curing units, a mold assembly, mold assembly holders and/or a conveyor system. At least one lens curing unit may include a heating system.

Abstract: Methods and apparatuses are disclosed for applying melt flowable materials to components of articles of manufacture. The methods and apparatuses disclosed herein are concerned with formation of appropriate flowable materials, control over the manner in which the flowable materials are applied, treatment of the components prior to application of the flowable materials and the like. Moreover, the apparatuses and methods may be particularly suited for applying flowable materials to surfaces and components found in automotive, aerospace, and marine vehicles.

Abstract: Systems and methods for storing, locating, identifying and coating eyeglass lens mold members for use in the production of eyeglass lenses are disclosed. An embodiment includes storing eyeglass lens mold members in a storage array. A plurality of indicators may be coupled to the storage array and associated with storage locations. A controller may be configured to select mold members, and to identify the locations of the mold members. A user may input mold member identifying information. The controller may activate indicators associated with determined storage location. A mold reader may be used to input the mold member identifying information. The mold reader may detect a light pattern formed by illumination of the identifying information and determine the identity of the mold member based on the light pattern. Additional embodiments relate to separating a cast lens from a lens mold. Such embodiments may include a clamping mechanism for elastically deforming the lens mold.

Abstract: A hybrid power supply type injection molding machine system has a motor-driven injection molding machine body including an injection mechanism and a mold clamping mechanism that are driven by servo-motors; a control device giving a command to said servo-motors to drive said injection mechanism and said mold clamping mechanism in accordance with predetermined program commands; and an electric power supply device for supplying said motor-driven injection molding machine body with the electric power required for operating said motor-driven injection molding machine body, said electric power supply device including: a first electric power supply unit for supplying the electric power from a commercial power source; a second electric power supply unit having an electric power accumulation unit dedicated to said motor-driven injection molding machine; an electric power comparator for comparing outputs of said first and second electric power supply units; and a switching device for switching over a supply of the elec