Class / Patent application number | Description | Number of patent applications / Date published |
264400700 | Controlling rate of movement of molding material or its support in a continuous process | 80 |
20080258326 | Injection molding machine and control method thereof - When controlling each operational process in a molding cycle by variably controlling the number of revolutions of a drive motor | 10-23-2008 |
20080315446 | Method and Device for Controlling the Quality During the Production of an Extruded Polymer Product - A method and a device for controlling the quality during the production of an extruded polymer product from a synthetic intermediate product. The production of the polymer product takes place continuously in several successive process steps; whereby a process parameter and/or a product parameter is/are detected in at least one of the process steps and is/are compared with a target value or target value range. A quality signal for determining the quality of the polymer product and/or a control signal for controlling one of the process steps is generated in accordance with this comparison. According to the invention, a measuring time and a throughput time are assigned to the process parameter and/or the product parameter, the throughput time characterizing the current material flow for the respective process step up to the production of the finished polymer product. Changes in quality can thus be identified in advance and can be taken into account for statistical process control. | 12-25-2008 |
20090134539 | TECHNIQUES FOR SENSING MATERIAL FLOW RATE IN AUTOMATED EXTRUSION - An extrusion construction system may include an extrusion nozzle configured to extrude construction material through an outlet onto an external surface, the extrusion nozzle including an excess flow port disposed substantially adjacent an edge of the outlet, an imaging device coupled to the extrusion nozzle, and a controller configured to adjust the rate of material flow through the extrusion nozzle in response to receiving one or more images captured by the imaging device showing excess material being extruded through the excess flow port. | 05-28-2009 |
20090134540 | TECHNIQUES FOR SENSING MATERIAL FLOW RATE IN AUTOMATED EXTRUSION - An extrusion construction system may include an extrusion nozzle, a channeling element coupled to the extrusion nozzle and to a source of construction material, the channeling element configured to transport the material to the extrusion nozzle for extruding the material onto a surface, wherein a surface of the channeling element comprises a transparent substrate such that a flow of the material is viewable through the substrate, an imaging device configured to capture a plurality of images through the substrate of the material flow, and a controller configured to estimate a flow rate based on the plurality of images. | 05-28-2009 |
20090140446 | Molding machine control apparatus and molding method for molding machine - An object is to provide a molding machine control apparatus which can reduce power consumption when operation of a molding machine is continued in a state where a post-process machine stops and which can prevent deterioration in the quantity of molded products in subsequently molding, as well as a molding method for a molding machine. A molding machine control apparatus includes an injection apparatus having an injection nozzle; a mold apparatus; a mold-clamping apparatus; a plasticization-moving apparatus; mode-setting processing means which sets, on the basis of a state of a post-process machine, one of a normal mode for operating the molding machine in accordance with a normal molding cycle and a cycle extension mode for operating the molding machine in accordance with a molding cycle longer than the normal molding cycle; and cycle-extension processing means which extends the molding cycle when the cycle extension mode is set by increasing a time between start of the plasticization retreat and completion of the plasticization advancement, from that in the case where the normal mode is set. | 06-04-2009 |
20090206501 | Method for Controlling Fill Speed in a Molding System - There is disclosed a method for controlling a fill speed of an injection unit, the method executable in a computing apparatus configured to control a plunger actuator of the injection unit. The method comprises receiving an indication of a mold-cavity-filling parameter, the mold-cavity-filling parameter being indicative of a number of molding cavities of a multi-cavity mold having been filled; responsive to the mold-cavity-filling parameter satisfying a pre-determined threshold, releasing a control signal to the plunger actuator to control speed associated with a plunger of the injection unit from a first filling speed to a second filling speed. | 08-20-2009 |
20090212453 | METHOD FOR CONTROLLING MOLD CLAMPING DEVICE - A predetermined speed control pattern B is sct. In a mold clamping process, in a mold closing section Zm, mold closing control is performed at a mold closing speed Vm, and based on a current mold closing speed Vd and a current mold closing position Xd, which are both detected, a deceleration starting position Xmc of the deceleration section Zmd, where the current mold closing speed Vd becomes a zero (O) at a virtual stop position Xc, is sequentially forecasted at each predetermined time interval by calculation. Upon reaching the deceleration starting position Xmc the deceleration section Zmd is started, and in the deceleration section Zmd, based on the detected current mold closing position Xd, a speed command value Dm corresponding to the speed control pattern B is obtained sequentially by calculation, and according to the speed command value Dm deceleration control is performed. Upon reaching a mold clamping-transition speed Ve, a predetermined mold clamping processing is performed via a low-pressure low-speed section Zc. | 08-27-2009 |
20090289386 | METHOD FOR SETTING VALVE ACTION - A method for setting valve action, used by a control system having a dialog box, includes choosing a start/stop mode of the valve action. A dialog box of the control system shows start/stop condition fields according to the start/stop mode of the valve action. A start/stop condition field for start/stop timing of the valve action is set. | 11-26-2009 |
20100032855 | PLASTICIZING APPARATUS AND METHOD FOR CONTROLLING THE SAME - An object is to improve the quality of molded articles and enable stable molding to be performed. A plasticizing apparatus includes a cylinder member having a molding material supply opening at a predetermined position, a molding material being supplied into the cylinder member via the molding material supply opening; and a metering member rotatably disposed within the cylinder member and adapted to plasticize the molding material when the metering member is rotated. A gas-flow-forming medium hole is formed in the cylinder member at a predetermined position. An open-close apparatus ( | 02-11-2010 |
20100052199 | Method for the operation of a production plant to produce an extrudate - A method for the operation of a production plant to produce an extrudate, in which at least one layer of the extrudate is extruded from plastic material in at least one extruder which is variable in the rotational speed of its screw, wherein the speed of the extrudate (line speed) is variable and in which further the diameter and/or or the wall thickness of the layer is measured by a measuring head in a distance from the extruder | 03-04-2010 |
20100072649 | IMPRINT APPARATUS AND ARTICLE MANUFACTURING METHOD - An imprint apparatus molds resin dispensed on a shot region of a substrate with a mold and forms a pattern of resin on the shot region. The apparatus includes a mold stage configured to hold the mold, a substrate stage configured to hold the substrate, a drive mechanism configured to change a relative positional relationship between the mold stage and the substrate stage in an X-Y plane that defines a coordinate of the shot region and a Z-axis direction perpendicular to the X-Y plane, and a controller. The controller is configured to control the drive mechanism so that the mold and the shot region perform relative vibration, in the X-Y plane, with respect to a relative position where the mold and the shot region align, and a distance between the mold and the shot region decreases in the Z-axis direction in parallel with the vibration, and the resin is molded by the mold. | 03-25-2010 |
20100072650 | METHOD AND DEVICE FOR OPERATING A DRAWING LINE OR DRAWING UNIT - A method and device for operating a drawing line or drawing unit for drawing cables from polymer threads using a plurality of driven drawing rollers. According to the invention, each drawing roller is controlled to a prescribed motion value. To this end, each drawing roller is associated with a separately controllable drive device. | 03-25-2010 |
20100078843 | SYSTEM AND METHOD FOR COATING BIOMEDICAL WIRES WITH INSULATIVE COATING - In one embodiment, a method of operating an extruder to coat biomedical wires with insulative material, comprises: feeding a length of biomedical wire through a tip of the extruder; providing extrudate, concurrently with the feeding, through an extruder die of the extruder, wherein the tip is adjustable relative to the extruder die; measuring a back pressure of extrudate behind the tip and extruder die multiple times for multiple locations of the tip relative to the extruder die; selecting a position for the tip relative to the extruder die in relation to a maximum back pressure value determined, in part, by the measuring. | 04-01-2010 |
20100096767 | METHOD AND APPARATUS FOR THE MEASUREMENT OF THE TEMPERATURE OF A PLASTIFIED PLASTIC MATERIAL AT THE EXIT OF AN EXTRUDER - A method for the measurement of the temperature of a plastified plastic material at the exit of an extruder, characterised in that the function of the sound, velocity in dependence of the temperature is measured and memorised for at least one plastified plastic material, the sound velocity is measured during the extrusion of the plastic material, and the respective temperature is determined from the velocity measurement values and the function. | 04-22-2010 |
20100102471 | FLUID TRANSPORT AND DISPENSING - Imprint lithography systems and methods for transporting and dispensing polymerizable material on a substrate are described. In one implementation, the transport system utilizes a dispense head, dispense guard, and a shielding block when dispensing the polymerizable material. In another implementation, the transport system comprises one or more filters positioned in an inline manifold for particle reduction or ion reduction. | 04-29-2010 |
20100123262 | MULTI-ORIFICE EXTRUSION DIE AND METHOD FOR OBTAINING UNIFORM FLOW - A method for normalizing the exit velocity of multiple extrudate strands from a multiple die extruder and apparatus for producing the same. The invention describes utilizing a die with individual channels, and installing metering assembly on each individual channel. The metering assembly can then be adjusted to independently increase or decrease the velocity of product through an orifice. By independently adjusting individual velocities of extrudate strands, after successive iterations of adjusting, measuring, and readjusting, a plurality of extrudate stands can be produced having substantially uniform velocity. Further the invention can comprise a single extruder or a co-extruder used to make a co-extruded product wherein uniform velocity becomes more desirable. | 05-20-2010 |
20100140822 | Method of Increasing the Output of a Transfer Film Upon Embossing and Apparatus Suitable for Same - There is described a method of increasing the output of a transfer film ( | 06-10-2010 |
20100244298 | DEVICE FOR TRANSPORTING A HOLLOW BODY, INSTALLATION PROVIDED WITH SUCH DEVICES, AND METHOD FOR CONVEYING A HOLLOW BODY ATTACHED TO SUCH A DEVICE - The preform conveying installation ( | 09-30-2010 |
20110074058 | Device For And Method Of Determining Residence Time Distributions - A method of determining a residence time distribution comprises mixing a molding batch ( | 03-31-2011 |
20110121477 | Methods Of Operating An Extrusion Apparatus - Methods of operating an extrusion apparatus are provided for extruding ceramic or ceramic-forming material. The extrusion apparatus includes an extrusion die mounted with respect to a barrel. At least one screw is rotatably mounted within the barrel, and a feeder is configured to introduce a batch material to the screw. Example methods can adjust at least one of a rotational rate of the screw to an initial rotational rate or a feed rate of the feeder to an initial feed rate when based on a changed operating condition and/or when the batch material reaches the extrusion die. At least one of the rotational rate of the screw or the feed rate of the feeder can then be increased during a transient state until a steady state is reached. | 05-26-2011 |
20110175248 | DEVICE AND METHOD FOR PRESSURE CONTROL OF ELECTRIC INJECTION MOLDING MACHINE - The exact method with small time-lag of detecting injection pressure for controlling pressure in an electric-motor driven injection molding machine without using a pressure detector has been asked for because the pressure detector is very expensive, necessitates troublesome works for mounting, an electric protection against noise and the works for zero-point and span adjustings and causes a complicate mechanical structure. The present invention uses a high-gain observer which contains the discrete-time arithmetic expressions derived from a mathematical model of an injection and pressure application mechanism in an electric-motor driven injection molding machine consisting of state equations and outputs an estimate of injection pressure, which is one of the state variables of the above state equations, by using a screw position signal and a servomotor current demand signal or actual motor current signal as inputs. The high-gain observer obtains the exact injection pressure estimate with very small time-lag without using a pressure detector. Thus the estimate of injection pressure fed by the high-gain observer can be adopted as a feedback signal of actual injection pressure for controlling injection pressure. | 07-21-2011 |
20110193253 | METHOD OF FORMING A MOLDED ARTICLE BY WIRELESS CONTROL - The present invention relates to a method and molding system ( | 08-11-2011 |
20110241241 | Startup Control Method and Startup Control Device of Resin Extruder - A startup control method of a resin extruder is provided. The resin extruder extrudes supplied resin material to a die as molten resin by rotating a screw. The resin material is supplied with a low supply amount which is smaller than a target supply amount and the screw is rotated at a low rotational frequency which is smaller than a target rotational frequency when starting the resin extruder. A supply amount of the resin material and a rotational frequency of the screw are gradually increased. After elapse of a set startup time, the supply amount of the resin material is brought into a target supply amount and the rotational frequency of the screw is brought into a target rotational frequency. | 10-06-2011 |
20110278754 | METHOD AND APPARATUS FOR CONTROLLING THE QUALITY IN THE MANUFACTURE OF COMPOSITE MATERIAL - The invention relates to a method and an apparatus for controlling the quality in the manufacture of composite material which contains fiber based and polymer based material, wherein the manufacture includes a mixing process ( | 11-17-2011 |
20120161350 | VOICE COIL MECHANISM FOR USE IN ADDITIVE MANUFACTURING SYSTEM - A print head assembly that includes a receptacle supported from a carriage frame and configured to receive a print head, and a toggle mechanism configured to move the receptacle relative to the carriage frame. | 06-28-2012 |
20120181715 | ADVANCED CONTROL SYSTEM AND METHOD FOR MAKING POLYETHYLENE TEREPHTHALATE SHEETS AND OBJECTS - A system for making PET objects including a means for reacting a first PET precursor and a second PET precursor to produce a PET melt; a means for flowing the PET melt to a valve having at least two outlets; a means for flowing the PET melt from at least one of the at least two outlets to at least one die forming line and one pelletizing (cutter) line. A means for controlling individually the mass flow of the PET melt in each of the at least two system lines independently of the other and a means for forming the PET objects from the PET melt. The control scheme is a combination of a feed forward system as well as a feedback loop. The entire control scheme is part of the overall system PLC. The fine tuning of the pressure at the outlet of the die forming loop is controllers to less than +/−1 bar to obtain maximum control of formed part. | 07-19-2012 |
20120187592 | METHOD FOR CONTROLLING AN INJECTION PROCESS IN AN OPEN-LOOP OR CLOSED-LOOP MANNER - A method for controlling an injection process in an open-loop or closed-loop manner in the production of a molded part injects melt mass by at least one injection unit into at least one cavity enclosed by a tool by means of at least one nozzle. The at least one cavity has at least one measuring location, which is coupled to a binary detector, which can change from a first defined state to a second defined state. The binary detector changes the state thereof at the time at which the melt mass arrives at the measuring location. On the basis of the state change of the binary detector, an open-loop or closed-loop control unit controls the injection velocity V of the at least one injection unit in an open-loop or closed-loop manner, the temperature T of the melt mass before the injection, the termination of the injection at the at least one nozzle, and/or the starting of a subsequent process. | 07-26-2012 |
20120193825 | CONTROL METHOD FOR SCREW OF INJECTION MOLDING MACHINE - A screw control method of an injection molding machine including a barrel into which a resin is inserted, a screw installed to be rotatable inside the barrel, a check ring on a rear side of a screw head, and a controller controlling operations of the screw includes: measuring an amount of resin to be injected and inserting the resin into the barrel until the amount of resin reaches the measured amount of resin; completing the measurement while melting the inserted resin through rotation of the screw; stopping the rotation of the screw after completing the measurement of the resin; after retracting the screw of which the rotation is stopped a pre-set distance, advancing the screw a pre-set distance; and performing injection molding of the melted resin by advancing the screw, where the rotation, advance, and retraction operations of the screw are made according to control signals of the controller. | 08-02-2012 |
20120193826 | Color Variation Control Process for Molding Plastic and Composite Multi-Color Articles - A process to effect random color variation in multi-color molded articles includes feeding individual colors to molding equipment in a pre-established sequence and manner that prevents substantial mixing of the colors, and at pre-established ratios in relation to a non-integer multiple of volume associated with the molded article. | 08-02-2012 |
20120299209 | DEVICE AND METHOD FOR THE LONGITUDINAL STRETCHING OF A FILM WEB - The invention describes a device ( | 11-29-2012 |
20120306113 | IN AN INJECTION MOLDING MACHINE, A METHOD OF CONTROLLING A MELT ACCUMULATOR - According to embodiments, there is provided a method ( | 12-06-2012 |
20130032961 | CONTROL DEVICE AND CONTROL METHOD FOR INJECTION MOLDING MACHINE - To execute a stable pressure control, in a control device for an injection molding machine, a filling/pressure-keeping determining unit determines whether the injection molding machine is performing a pressure keeping operation, an elastic constant identifier acquires, when the filling/pressure-keeping determining unit determines that the pressure keeping operation is in progress, a pressure detection value and a position detection value as operation information of a motor and identifies an elastic constant K based on the acquired pressure detection value and the position detection value, and a pressure-control control-parameter setting unit calculates a proportional gain Ka of a pressure controller such that a product of the proportional gain Ka of the pressure controller and the elastic constant K is smaller than a speed control bandwidth ωsc of a speed controller, and sets the calculated proportional gain Ka to the pressure controller. | 02-07-2013 |
20130228946 | PROCESS AND APPARATUS FOR REGISTERED EMBOSSING OF EXTENSIBLE PRINTED FILM OR OF A LAMINATE COMPRISING AN EXTENSIBLE PRINTED FILM - In an embodiment, a process for synchronized embossing of an extensible printed film or of a laminate product including an extensible printed film is disclosed. The process includes pre-heating the film; possible coupling of the pre-heated film with a substrate; passage of the film or of the laminate between an engraved embossing cylinder; and a pressing counter-cylinder, in which the extensible film is subjected to a controlled elongation, in the longitudinal direction only, during the pre-heating step, during which the film is in a thermoplastic state, and said controlled elongation is such as to synchronize the decoration printed on the film with the position of the embossing cylinder. | 09-05-2013 |
20140117575 | THREE-DIMENSIONAL PRINTER WITH FORCE DETECTION - An extruder or other tool head of a three-dimensional printer is instrumented to detect contact force against the extruder, such as by a build platform or an object being fabricated. The tool head may also be instrumented to detect deflection forces and the like acting on the tool that might indicate an operating error. The resulting feedback data can be used in a variety of ways to control operation of the three-dimensional printer during fabrication or diagnostics. | 05-01-2014 |
20140191433 | Method for discharging a volume flow - In a method for discharging a volume flow consisting of successive drops to produce a three-dimensional object of solidifiable material present in a fluid phase, the fluid phase of the material is introduced into a material storage means. A pressure (p) is applied to the fluid phase, in order to discharge the material in drops out of a cyclable outlet opening to build up the three-dimensional object in a construction chamber. A method is provided for achieving a constant, discontinuous volume flow by the pressure (p) being regulated via a closed-loop control in the event of a change in the viscosity of the fluid phase of the material, while maintaining the other process parameters, to achieve a predetermined drop size. The pressure is applied by a conveying element, the average displacement velocity of the conveying element per discharged drop being converted as a measured variable into the control variable for the closed-loop control. | 07-10-2014 |
20140210120 | FLAME-RETARDANT REGENERATED CELLULOSE FILAMENT FIBERS AND PROCESS FOR PRODUCTION THEREOF - In a process for producing regenerated cellulose fibers, in which particles of a flame-retardant solid are incorporated into the fiber, the particles are placed into a mold, the dimension of which in a major axis of the particle is greater than in the two orthogonal minor axes of the particle, and the major axes of the particles in the fiber are aligned in a preferential direction parallel to the spinning direction thereof | 07-31-2014 |
20140252668 | METHOD AND APPARATUS FOR DELIVERY OF CEMENTITIOUS MATERIAL - An apparatus ( | 09-11-2014 |
20140264992 | METHODS AND MACHINES FOR MAKING ORAL PRODUCTS - A method of forming an oral product includes extruding a mixture, conveying the extruded mixture through one or more pairs of forming rollers, and cutting the extruded mixture into one or more oral products. The mixture can include polymer and at least one flavorant, sweetener, active ingredient, or combination thereof. The extruded mixture forms an extrudate having a predetermined cross-sectional shape. The one or more pairs of forming rollers abut to define a passage there between as each forming roller rotates. The passage has a cross-sectional shape corresponding to the predetermined cross-sectional shape. The method can be performed using a machine including an extruder, one or more pairs of forming rollers, and a cutting device. | 09-18-2014 |
20140284834 | UNIVERSAL FEEDING SYSTEM FOR EXTRUDERS - A novel universal main feeder is described for cutting the large items into smaller items before they are fed into the feeder, hopper of the extruder. The sensor based control and the cutting device based resizing and quantity control enables a non-clog and smoother operation for recycling or waste management. The unique design of interchangeable cutting device enables the user to fit the pertinent cutting device blade, knives, shredders or hummer mills. | 09-25-2014 |
20140300019 | INJECTION MOLDING FLOW CONTROL APPARATUS AND METHOD - A method and apparatus for performing an injection molding cycle comprising drivably interconnecting a valve pin to an electric motor actuator and controllably operating the electric motor to drive the valve pin at one or more reduced rates of upstream or downstream travel based on either detection of the position of the pin or actuator or on a preselected length of time at which to drive the valve pin. | 10-09-2014 |
20140306365 | INDIVIDUAL CAVITY FLOW CONTROL METHODS AND SYSTEMS FOR CO-INJECTION MOLDING - Methods and systems for co-extruding multiple polymeric material flow streams into a mold having a plurality of cavities to produce a plurality of multi-layer polymeric articles each having a consistent coverage of an interior core layer are disclosed herein. In an example method, a flow rate of a first skin material into a cavity is individually controlled for each cavity before initiation of co-injection of a second core material into the cavity, which may address inconsistent interior core layer coverage for articles from different cavities. | 10-16-2014 |
20140312520 | Control Structure for a Molding System - Disclosed herein, amongst other things, is a control structure for a molding system ( | 10-23-2014 |
20140353866 | METHOD AND DEVICE FOR OPERATING A DRAWING LINE OR DRAWING UNIT - A method and device for operating a drawing line or drawing unit for drawing cables from polymer threads using a plurality of driven drawing rollers. According to the invention, each drawing roller is controlled to a prescribed motion value. To this end, each drawing roller is associated with a separately controllable drive device. | 12-04-2014 |
20150014878 | HOT RUNNER NOZZLE AND MOLD FOR FORMING MULTI-LAYER MOLDED ARTICLE USING THE SAME - At a filling termination stage when performing multi-layer molding by means of a hot runner nozzle, an intermediate layer in a multi-layer molded article is prevented from being formed in a shape causing the intermediate layer to enter into a sprue in a portion of a mold cavity in a mold corresponding to the sprue. The multi-layer molded article with no intermediate layer being exposed in a sprue cut portion can be therefore obtained. In this manner, a diameter of a discharge port opening and closing mechanism part for opening and closing the resin discharge ports in the shut pin is made different from a diameter of a nozzle gate opening and closing mechanism part configured of the projection for pushing out the molten resin in the nozzle gate. | 01-15-2015 |
20150035188 | Injection Molding Machines and Methods for Accounting for Changes in Material Properties During Injection Molding Runs - A method and a machine that account for changes in material properties of molten plastic material during an injection run. If viscosity of the molten plastic material changes during an injection run, a controller alters an injection pressure to ensure that molten plastic material fills a mold cavity within a correct amount of time to prevent part flaws such as short shots or flashing. | 02-05-2015 |
20150035189 | Injection Molding Machines and Methods for Accounting for Changes in Material Properties During Injection Molding Runs - A method and a machine that account for changes in material properties of molten plastic material during an injection run. If viscosity of the molten plastic material changes during an injection run, a controller alters a step time of the injection cycle to ensure that molten plastic material completely fills and packs a mold cavity to prevent part flaws such as short shots or flashing. | 02-05-2015 |
20150035190 | Injection Molding Machines and Methods for Accounting for Changes in Material Properties During Injection Molding Runs - A method and a machine that account for changes in material properties of molten plastic material during an injection run. If viscosity of the molten plastic material changes during an injection run, a controller alters a step time of the injection cycle to ensure that molten plastic material completely fills and packs a mold cavity to prevent part flaws such as short shots or flashing. | 02-05-2015 |
20150042003 | METHOD FOR INJECTION MOLDING OF THERMOPLASTIC POLE PARTS, AND MOLD FOR PRODUCING THE SAME - A method for injection molding of thermoplastic pole parts utilizes a mold to fix at least one vacuum interrupter and contact terminals during a molding process. At least one injection opening or gate for injection of thermoplastic material is formed into the mold. The mold is applied with multiple injection openings at least along its long axis, for injection of hot thermoplastic material, and the injection openings or gates can be steered in such a way that they inject thermoplastic material simultaneously or with a defined time dependent injection pattern. This process alleviates the issue of a pressure gradient along the long axis of the molded pole part, shortens process times, and achieves a homogenous dissipation of material during the molding process. | 02-12-2015 |
20150084222 | FILAMENT FOR FUSED DEPOSIT MODELING - An apparatus for forming an object by an additive process, commonly referred to as 3-D printing, is provided. The apparatus includes a filament comprising a series of irregularities along the length of the filament, a nozzle depositing a layer of melted material onto a surface and a feeder feeding the filament to the nozzle. A heating element melts the filament and a controller controls the position of the nozzle in a plane to control the configuration of the layer of melted material deposited by the nozzle. Additionally, a method for forming polymer filament used in 3-D printing devices is also provided. The method includes the steps of melting a polymer, selecting an extrusion characteristic calculated to induce a polymer flow instability and extruding the melted polymer using the selected extrusion characteristic to produce an extrusion having distortions created by the polymer flow instability. | 03-26-2015 |
20150091200 | Smooth 3D Printing Using Multi-Stage Filaments - This document describes techniques and apparatuses for smooth 3D printing using multi-stage filaments. These techniques are capable of creating smoother surfaces than many current techniques. In some cases, the techniques determine a portion of a surface of a 3D object that includes, or will include, a printing artifact or is otherwise not smooth, and then applies multi-stage filaments to provide a smoothing surface over that portion. | 04-02-2015 |
20150097309 | PROCESS AND APPARATUS FOR MAKING TUFTED ARTICLE - A process for making a tufted article from a thermoplastic material comprises controlling injection pressure according to a pressure-dominated algorithm including detecting at least 100 melt-pressure measurements per second upstream a front end of a mold cavity. An apparatus comprises a pressure-control mechanism for monitoring and adjusting an injection pressure according to the pressure-dominated algorithm, wherein the pressure-control mechanism comprises at least one high-frequency pressure sensor located upstream the mold cavity's front end. | 04-09-2015 |
20150115491 | Injection Molding Machines and Methods for Accounting for Changes in Material Properties During Injection Molding Runs - A method and a machine account for changes in material properties of molten plastic material during an injection run. A change in a control signal is calculated by a controller during the injection molding run. If the change in the control signal indicates a change in material flowability, the controller alters a target injection pressure to ensure that molten plastic material completely fills and packs a mold cavity to prevent part flaws such as short shots or flashing. | 04-30-2015 |
20150290871 | IMPRINT APPARATUS AND METHOD OF MANUFACTURING ARTICLE - The present invention provides an imprint apparatus which forms an imprint material on a substrate using a mold, comprising a driving unit driving at least one of the mold and the substrate, a measurement unit measuring a position deviation amount between the mold and the substrate, and a control unit controlling alignment between the mold and the substrate based on the position deviation amount, wherein in a first period from a start of contact between the mold and the imprint material until a distance between the mold and the substrate falls within a target range, and a second period in which the distance is maintained, the control unit obtains a command value for controlling the driving unit and controls the driving unit such that a amplification factor of the command value in the second period is larger than that in the first period. | 10-15-2015 |
20150321418 | System And Method For Forming Three-Dimensional Structures - A system and method for forming 3D printed structures on a base component includes extruding material through a nozzle while moving the nozzle vertically. Extruded material flows from the nozzle and spreads outwardly upon contact with an underlying portion of material. The outward spread of material is controlled to form a desired geometry for the 3D printed structure. An optical sensing device may provide feedback for controlling the outward spread of material. Using a molding component, structures with anchored portions extending through openings in the base component can be formed. | 11-12-2015 |
20150321426 | THREE DIMENSIONAL PRINTING APPARATUS, PRINTING CALIBRATION BOARD AND THREE DIMENSIONAL PRINTING CALIBRATION METHOD THEREOF - A three-dimensional (3D) printing apparatus, a printing calibration board and a three dimensional printing calibration method thereof are provided. The three-dimensional printing apparatus is adapted to spray the printing material. The three-dimensional printing apparatus includes a nozzle module, a printing platform and a control unit. The printing platform has a carrying surface, where the calibration pattern is disposed on the carrying surface. The calibration pattern at least includes a datum path and a first auxiliary path. The control unit controls the nozzle module coupled to the control unit to spray the printing material along the datum path, and the printing speed of the nozzle module is adjusted in response to the width of coverage of the printing material on the calibration pattern. | 11-12-2015 |
20150342060 | SYSTEMS FOR ENCAPSULATING A HYBRID ASSEMBLY OF ELECTRONIC COMPONENTS AND ASSOCIATED METHODS - During a process to encapsulate electronic components and attachment interfaces thereof on a first side of a substrate of a hybrid assembly, a fluid is supplied to a trench of an encapsulation system in which the hybrid assembly is loaded, and a balancing pressure is delivered by the fluid within the trench, during the encapsulation process, to support the hybrid assembly from an opposing second side of the substrate. A regulator of a fluid supply of the system may maintain the balancing pressure, for example, being controlled by a controller of the system that is configured to estimate a pressure within a molding cavity of the system. | 11-26-2015 |
20150343692 | METHOD FOR REGULATING AN EXTRUSION DEVICE AND EXTRUSION DEVICE USING SAID METHOD - Method for regulating an extrusion device for the manufacture of a continuous strip of profiled product (P) made of an elastomeric compound, comprising a screw rotationally driven in a fixed barrel the outlet of which comprises an extrusion die and at least one rotationally driven cylindrical roller, the rotational speed of the screw (Ω | 12-03-2015 |
20150360398 | APPARATUS AND METHOD FOR EXTRUDING AN ELASTOMER MIXTURE - Extrusion apparatus intended for manufacturing a continuous strip of profiled product (P), comprising a screw ( | 12-17-2015 |
20150360406 | APPARATUS AND METHOD FOR DETECTING A POSITION OF AN ACTUATOR PISTON - Apparatus and method for detecting a position of an actuator piston driving a valve pin in an injection molding system. The apparatus includes an actuator housing having a body portion, surrounding an axial bore, of a substantially non-magnetic and/or magnetically permeable material, a piston, movable within the axial bore for driving a valve pin, the piston including a magnetic member generating a magnetic field such that axial movement of the piston in the bore modifies the magnetic field according to the position of the piston relative to a detection position, and a magnetic field detector attached to an exterior surface of the body portion at the detection position for detecting the magnetic field associated with the position of the piston and generating an output signal determined by the piston position. | 12-17-2015 |
20160001493 | IMPRINT APPARATUS, IMPRINT SYSTEM, AND METHOD OF MANUFACTURING ARTICLE - The present invention provides an imprint apparatus which performs an imprint process of dispensing an imprint material on a substrate and forming the imprint material dispensed on the substrate by using a mold, the apparatus comprising a dispensing unit configured to dispense an imprint material on the substrate, and including a tank which contains an imprint material, a dispenser which discharges the imprint material contained in the tank to the substrate, and a detection unit which detects a remaining amount of imprint material contained in the tank; and a control unit configured to perform control to supply an imprint material to the tank or exchange the dispensing unit based on a detection result obtained by the detection unit. | 01-07-2016 |
20160001503 | SYSTEM FOR 3D PROTOTYPING OF FLEXIBLE MATERIAL AND METHOD THEREOF - The present invention provides a system for 3D prototyping of flexible material and method thereof The system comprises: a loading machine for providing a polymer molten mass; a screw extruding machine for extruding the polymer molten mass; a metering pump for controlling the quantity of the polymer molten mass; an air compressor for compressing air; an air heater for heating the compressed air; a 3D modeling component for processing a 3D workpiece; the nozzle comprises a spinneret plate and a gas-flow hole, the spinneret plate is configured with a through hole for forming the extruded polymer molten mass into a polymer melt trickle, the gas-flow hole drafts the polymer melt trickle to a filiform polymer fiber to aggregate on the 3D workpiece; a solidifying component for solidifying the filiform polymer fiber to form the flexible material. The present invention can achieve convenient and quick printing for the flexible material. | 01-07-2016 |
20160009026 | METHOD FOR PRODUCING A THREE-DIMENSIONAL OBJECT BY MEANS OF GENERATIVE CONSTRUCTION | 01-14-2016 |
20160016346 | METHOD FOR CONTROLLING A MELT-PROCESSING INSTALLATION - A method for controlling a melt-processing installation, wherein the installation has a melt-feed device, a filtering device, and a melt-processing device. Optionally, a melt pump can be used in addition to, or in lieu of, the melt-feed device. A maximum achievable rate of volume change per unit time of a volumetric feed of the melt-feed device and/or of the melt pump is determined, a maximum volume deviation value of the volumetric feed per unit time to the melt-processing device is determined, and a volume change in the filtering device between the melt-feed device and/or the melt pump and the melt-processing device is set such that a resulting rate of volume change of the filtering device is less than, equal to, or slightly larger than the maximum achievable rate of volume change of the melt-feed device and/or of the melt pump so that the maximum volume deviation value is not exceeded. | 01-21-2016 |
20160031133 | FOAM MOLDING SYSTEM AND METHOD OF OPERATION - A foam molding system and method of operation are provided. The foam molding system includes a molding assembly configured to mix a plurality of constituent materials to form a molding material. A dispenser is operably coupled to receive the molding material. A carrier is positioned to receive the molding material from the dispenser, the carrier being removably coupled to the foam molding machine. An RFID module is coupled to the carrier. An RFID reader is arranged to receive a signal from the RFID module when the carrier is arranged in the foam molding machine. A controller is operably coupled to the RFID reader and the molding assembly, wherein the controller includes a processor that is responsive to executable computer instructions for changing molding parameters in response to the RFID reader receiving the signal from the RFID module. | 02-04-2016 |
20160051414 | MACHINE AND METHOD FOR MAKING ABSORBENT SANITARY ARTICLES - A machine for making absorbent sanitary articles including an absorbent pad with at least one discrete layer of superabsorbent polymer material includes a unit for forming and applying a succession of absorbent pads, which includes a drum for forming the pad, a duct for feeding a charge of superabsorbent polymer material to the drum and intermittent valve mounted along a stretch of the duct and driven by an actuator. A device detects the superabsorbent polymer material and sends a signal to a control and drive unit connected to the device indicating that the superabsorbent polymer material has been detected. The control and drive unit is configured to drive the actuator to bring the valve into phase with the rotation of the drum when the deviation of the signal from a reference signal exceeds a defined threshold value. | 02-25-2016 |
20160065040 | METHOD AND APPARATUS FOR MANUFACTURING LAMINATED IRON CORE - A method of manufacturing a laminated iron core includes extruding resins from a plurality of plungers toward a plurality of through holes extending from an upper surface to a lower surface of a laminated body formed of a plurality of electromagnetic steel plates to fill the plurality of through holes with the resins. The plurality of plungers are mutually independent and an extrusion amount of the resin is controlled for each plunger. | 03-03-2016 |
20160067906 | DETERMINING PART ORIENTATION FOR INCREMENTAL SHEET FORMING - Provided are methods and systems of orienting parts for incremental sheet forming and, in some examples, forming the parts in these orientations. A forming orientation may be identified by simulating forming operations of the same part in multiple different orientations and identifying the thinnest portions of the part for each of the orientations. The orientation with the maximum thickness of these identified portions is selected as a forming orientation. The forming simulation may be based on the Sine law by comparing the actual and projected areas of different surface elements of the shape to be formed. As such, a part formed in the forming orientation will have the greatest minimum thickness among all other possible orientations. | 03-10-2016 |
20160082656 | SYSTEM OF RAPID PROTOTYPING AND METHOD THEREOF - A system of rapid prototyping, comprises a calculate controller, a stage, a deliver, a frame former, a filler and a forming machine. A board material was disposed on the stage by the deliver. The frame former heats up the board material to melt the board material and then forms at least a space on the board material. The filler fills a solidable liquid into the space. The deliver disposes another board material on the board material filled with solidable liquid and repeats the abovementioned steps until the plurality of spaces constitute the target article. And then the forming machine heats up the board materials to melt the board materials, meanwhile, the solidable liquid is solidified to form the target article. Wherein the calculate controller connects and operates the deliver, the frame former, the filler and the forming machine. | 03-24-2016 |
20160096319 | SYSTEM AND METHOD FOR OPERATING A THREE-DIMENSIONAL PRINTER TO COMPENSATE FOR RADIAL VELOCITY VARIATIONS - A three-dimensional object printer is configured to enable the density of material ejected by at least one printhead onto a rotating platen near its circumferential edge to be approximately the same as the density of the material ejected onto the rotating platen near the center of the platen. | 04-07-2016 |
20160107359 | A STACK MOLD - There is provided a mold stack ( | 04-21-2016 |
20160107361 | MONITORING METHOD AND DEVICE - The invention relates to a monitoring method for monitoring the energy requirement of an extrusion installation ( | 04-21-2016 |
20160107365 | ROD MEMBER EXTRUSION-MOLDING SYSTEM AND EXTRUSION-MOLDING METHOD THEREFOR - A system for executing a rod member extrusion-molding method of the present invention has an extrusion-molding machine of a rod member, a transfer conveyor, a delivery line of the rod member between the extrusion-molding machine and the transfer conveyor, a measurement position defined on the delivery line and dividing the delivery line into an upstream section and a downstream section, a measurement device measuring an outer diameter of the rod member in the measurement position, a first roller conveyor forming a part of the section at least directly upstream of the measurement position, a second roller conveyor forming the downstream section, and a control device performing feedback control of a transfer speed of the transfer conveyor based on the outer diameter obtained in the measurement device. | 04-21-2016 |
20160107389 | ENHANCED ADDITIVE MANUFACTURING WITH A RECIPROCATING PLATEN - An additive manufacturing extrusion head that includes a heated nozzle for accepting a feedstock and extruding the feedstock onto a substrate at a deposition plane, the nozzle having a longitudinal extrusion axis. A reciprocating platen surrounds the nozzle, the platen operable to reciprocate along the extrusion axis at or above the deposition plane as the nozzle extrudes feedstock onto the substrate; and wherein the platen flattens the extruded feedstock such that it does not protrude above the deposition plane as the extrusion head traverses over the substrate. | 04-21-2016 |
20160121551 | THREE-DIMENSIONAL SURFACE TEXTURING - An additive three-dimensional fabrication process is improved by controlling deposition rate to obtain surface textures or other surface features below the nominal processing resolution of fabrication hardware. Sub-resolution information may be obtained, for example, from express metadata (such as for surface texture), or by interpolating data from a source digital model. | 05-05-2016 |
20160129633 | THREE DIMENSIONAL PRINTING APPARATUS AND THREE DIMENSIONAL PRINTING METHOD - The disclosure provides a 3D printing apparatus and a 3D printing method which form a 3D object by forming and stacking a plurality of forming layers. The 3D printing apparatus includes a body, a printing module, a curing module, a sensing module and a controlling module. The body has a stage. The printing module sprays liquid forming material on the stage. The curing module cures the liquid forming material on the stage to form a forming layer. The sensing module is configured corresponding to the stage and detects a surface profile of the forming layer according to a condition parameter to generate a profile signal. The controlling module is electrically connected to the printing module, sensing module and curing module. The controlling module receives the profile signal and drives the printing module and the curing module according to the profile signal to remedy the surface profile of the forming layer. | 05-12-2016 |
20160151949 | DOWNSTREAM PIN VELOCITY CONTROLLED INJECTION MOLDING APPARATUS AND METHOD | 06-02-2016 |
20160151978 | THREE-DIMENSIONAL PRINTER WITH ADJUSTMENT FUNCTION AND OPERATION METHOD THEREOF | 06-02-2016 |
20160158986 | INJECTION CONTROL METHOD AND INJECTION CONTROL SYSTEM - An injection control method controls an injection mechanism configured to inject an injection material into a cavity of a mold. The method includes a detection step for detecting that the injection material reaches a predetermined position in the cavity that is away from the injection position, and a change step for changing the injection termination time based on the time period from injection start of the injection material until the detection in the detection step. | 06-09-2016 |
20160167296 | SYSTEMS AND METHODS FOR ADDITIVE MANUFACTURING OF THREE-DIMENSIONAL OBJECTS USING NEEDLE FELTING | 06-16-2016 |
20160174681 | METHOD FOR PRODUCING FINGERNAIL TIPS | 06-23-2016 |
20090184435 | CONTROLLING THE SYNTHESIS AND GEOMETRY OF LIPID TUBULE NETWORKS - Nano-sized lipid vesicles with tailored properties are used as building blocks to generate lipid tubules between two glass surfaces. The tubules formed not only have defined orientation, width, and length, but they can also grow to be as long as 13 mm under ambient conditions, without externally supplied flow, temperature control, or catalyzing agents. The tubule membrane and its internal aqueous content can be manipulated by controlling the combination of different vesicle's lipid composition and aqueous entrapment. This self-assembly process opens up new pathways for generating complicated and flexible architectures for use in biocompatible molecular and supramolecular engineering. Aspects of the invention generate, for example, tubules encapsulated with siRNA, tubules with multiple branches, and polymerized fluorescent tubules in a single-throughput self-assembly process. | 07-23-2009 |
20100019403 | PRODUCTION AND RECOVERY OF POLYMERIC MICRO- AND NANOPARTICLES CONTAINING BIOACTIVE MACROMOLECULES - The present invention describes a method to encapsulate bioactive macromolecules, as example but not limited for, peptidic drugs, into polymeric particles sizing less than 10 μm of diameter Particle production is based on emulsification/internal gelation procedure and comprises a formation of a water-in-oil emulsion followed by solubilization of dispersed insoluble calcium complex triggering gelation of said polymer dispersed in internal phase, by ionic cross-linking with free calcium ions. Finally, resulting gelled particles dispersed in the oil phase are recovered by partition phases coupled with high speed centrifugation cycles. In this case, the present invention describes a precise methodology to recover said gelled polymeric particles after particle production and includes an addition of acetate buffer solution at predetermined pH, dehydrating agents and residual oil dissolvent agent, at predetermined concentration, followed by high speed centrifugation cycles. This method of production and recovery was applied to the macromolecule, insulin, and demonstrated that the bioactivity of said peptidic drug was preserved. | 01-28-2010 |
20100127415 | METHOD FOR PREPARING POLYUREA MICROCAPSULE CONTAINING SATURATED ALCOHOL DISPERSION MEDIUM, AND MICROCAPSULE PREPARED USING THE METHOD - Provided are a method for forming polyurea microcapsules containing a saturated alcohol as a dispersion medium, and microcapsules prepared using the method. According to the method, suspensions, in which microcapsules are dispersed in a saturated alcohol dispersion medium as a core material, may be used to prepare microcapsules. Diverse and fine color expression may be obtained from various response characteristics in the display applications. In addition to superior processibility, excellent thermal stability, solvent resistance, and chemical stability may be achieved by using polyurea in microcapsules as a wall material according to one embodiment of the present invention. | 05-27-2010 |
20100258964 | Droplet Formation - A technique for shaping droplets is disclosed. Multiple optical traps, or at least one variable geometry trap, are used to deform a droplet. The surface tension of the droplet is lowered to be comparable with the force which can be applied using the optical traps, for example by using a surfactant such as Aerosol OT, with heptane droplets in a solution of sodium chloride. Solidification of deformed droplets can be achieved using polymerization. | 10-14-2010 |
20110147961 | Hydrophilic Liquid Encapsulates - A process of forming a population of microcapsules is described comprising a liquid hydrophilic core material and a wall material at least partially surrounding the core material. The liquid hydrophilic core material can be anionic, cationic, or neutral but polar. The microcapsule population is formed by providing liquid hydrophilic core material; providing an oil continuous phase which is low boiling and preferably nonflammable, the oil continuous phase comprising preferably one or more organic oil materials such as esters with chain length up to about 42 carbons. A mixture is formed by dispersing the liquid hydrophilic material in the oil continuous phase. Either an oil soluble or dispersible monofunctional amine acrylate or monofunctional amine methacrylate, along with acid; or alternatively monofunctional acid acrylate or monofunctional acid methacrylate along with base; or alternatively, monofunctional amine acrylate or monofunctional amine methacrylate along with acid acrylate or methacrylate; is added. A multifunctional acrylate or methacrylate monomer or oligomer is provided along with an initiator. Optionally a surfactant is also added to form the mixture. Emulsification is achieved by subjecting the mixture to high shear agitation and heating the mixture for a time sufficient to enable forming a prepolymer which migrates to the liquid hydrophilic material, thereby forming prepolymers adhered to the hydrophilic core materials. Heating is carried out or light exposure or both for a time and temperature sufficient to crosslink the prepolymers. | 06-23-2011 |
20120286438 | PROCESS FOR OBTAINING MICROCAPSULES - A continuous process for preparing microcapsules containing water-insoluble active principles, comprising:
| 11-15-2012 |
20130043611 | Method For Encapsulating Substances With Formation Of The Capsule Shell By Interfacial Reaction In The Centrifugal Reactor - Provided are methods for encapsulating substances. In certain methods, the capsule walls are obtained by interfacial reaction, wherein the interfacial reaction is carried out in a centrifugal reactor with rotating packing. | 02-21-2013 |
20130181363 | PROCESS FOR MANUFACTURING POLYSILOXANE MICROCAPSULES THAT ARE FUNCTIONALIZED AND ARE NOT VERY POROUS - A method is provided for encapsulating products that can have lipophilic or hydrophilic, including volatile, properties in a polysiloxane membrane that is particularly impervious. A method is also provided for evaluating the imperviousness of capsules. The present method includes the following steps:
| 07-18-2013 |
20130313734 | METHOD OF PREVENTING AGGLOMERATION DURING MICROENCAPSULATION OF FRAGRANCE OILS - A process for preparing a microcapsules comprising an oil-based core material such that particle agglomeration is minimized during wall formation, the process employs reaction of an isocyanate or diisocyanate first with a guanidine compound followed by reaction with a polyfunctional amine. | 11-28-2013 |
20140346696 | APPARATUS AND METHOD OF PREPARING ELECTRONIC INK MICROCAPSULES - An apparatus and a method of preparing electronic ink microcapsules are disclosed. The apparatus of preparing electronic ink microcapsules includes: a first input tube, a second input tube, a UV light source, and an output tube connected to both the first input tube and the second input tube, respectively. The first input tube is a shading tube adapted to input an electrophoresis suspension comprising a mixture of a pre-polymer and a photo-initiator. The second input tube is adapted to input an aqueous solution comprising surfactant. The UV light source is adapted to radiate the mixed liquid in the output tube which is a mixture of the liquids input from the first input tube and the second input tube to prepare the electronic ink microcapsules. The electronic ink microcapsules prepared by using the apparatus and the method of preparing electronic ink microcapsules exhibit advantages including good uniformity, good thermal stability, etc. | 11-27-2014 |
20150336066 | METHOD OF ENCAPSULATION AND IMMOBILIZATION - A method for encapsulating a material, the steps include choosing a material to encapsulate; placing the material into a material solvent to form a material solution; forming a primary emulsion of the material solution in an immiscible liquid medium that is immiscible with the material solvent, wherein the material solution is the disperse phase and the immiscible liquid medium is the continuous phase of the primary emulsion, wherein the immiscible liquid medium contains an encapsulating agent dissolved therein, the encapsulating agent capable of being crosslinked, polymerized, gelled, hardened or solidified; adding the primary emulsion as droplets into a crosslinking medium, wherein the crosslinking medium is immiscible with the continuous phase immiscible liquid medium of the primary emulsion, and thereafter activating the crosslinking, polymerizing, gelling, hardening or solidifying of the encapsulating agent to envelope the material in a crosslinked, polymerized, gelled, hardened or solidified matrix forming the droplets into beads. | 11-26-2015 |
20160151757 | PROCESS FOR PREPARING PHASE CHANGE MICROCAPSULE HAVING THERMALLY CONDUCTIVE SHELL | 06-02-2016 |