Class / Patent application number | Description | Number of patent applications / Date published |
425130000 | MEANS FEEDING FLUENT STOCK FROM PLURAL SOURCES TO COMMON SHAPING MEANS TO FORM COMPOSITE PRODUCT | 83 |
20080241296 | Durable tool for molding of polymer composites - Mold tooling formed of suitable iron-nickel alloys and provided with a hard electroless nickel coating on the mold cavity surface are useful for high volume production of carbon fiber reinforced, polymer matrix, composites. The iron and nickel alloy provides thermal expansion properties for the molding of dimensionally accurate parts. The nickel alloy coating provides a durable surface, without adversely affecting the expansion properties of the mold, and remains adherent to the base metal during the repeated thermal cycling encountered in high volume production of substantially identical molded carbon composite parts. | 10-02-2008 |
20090087509 | MULTI-GATE REACTION INJECTION ASSEMBLY FOR USE WITH A CLOSED MOLD FOR MIXING AND SETTING ISO AND POLY FLUID BASED POLYMERS & PLASTICS WITH ONE OR MORE AGGREGATE FILLER MATERIALS - The present invention discloses a multi-gate assembly for creating a composite article, typically including a mold including a closed interior cavity, a first mixing gate in communication with the mold, and at least one iso-based polymer material and at least one poly-based polymer material concurrently fed into the first mixing gate. At least one filler material is fed into a second gate in communication with the first gate, and a composite associated with the iso/poly/filler materials is communicated into the cavity for formation into a three-dimensional article. | 04-02-2009 |
20090142435 | SUPERABRASIVE GRAIN SETTING APPARATUS - A superabrasive grain setting apparatus is provided for arranging superabrasive grains on a surface of a manufacturing mold used in manufacturing a grinding tool. The apparatus comprises a grip and raising mechanism for gripping the mold in a horizontal state and for turning the mold to a vertical state; a six-axis control robot composed of a base arm mechanism with three controlled axes and a wrist unit with three controlled axes attached to the base arm mechanism; a superabrasive grain supply device having a grain storage for storing the superabrasive grains and a grain separation mechanism for separating the superabrasive grains in the grain storage one by one to a suction position; and a suction nozzle detachably mounted on an endmost arm of the robot and provided with a bent nose portion for drawing a grain of superabrasive to a nozzle end thereof at the suction position. | 06-04-2009 |
20090263528 | INJECTION MOLD FRICTION PULLER - A friction puller for an injection mold is disclosed. The friction puller has a bolt with a head portion and a threaded portion. The friction puller has first and second first substantially hemispherical wedges having a first and second passages running through them for the bolt and allow lateral float about the bolt. The friction puller also has a deformable jacket having a third passage running through is for the bolt and first and second substantially hemispherical cups for receiving the first and second substantially hemispherical wedges. The first hemispherical wedge can have a vent relief notch disposed in a top surface of the first hemispherical wedge. The deformable jacket can have a jacket vent notch disposed in a top surface of the deformable jacket. The bolt head and the jacket can have alignment indicator marks thereon. The bolt threads can have a variable pitch diameter. | 10-22-2009 |
20090269430 | INJECTION MOLDING APPARATUS HAVING EDGE-GATED RUNNERLESS NOZZLE AND RELATED METHOD OF TIP REMOVAL - A nozzle body defines an upstream channel. A downstream bracing portion has a lateral bore. A nozzle tip extends laterally through the lateral bore of the bracing portion and has a sealing surface for engaging a gate component that defines a mold gate. The runnerless nozzle further includes a securing component inserted into the bracing portion to hold the nozzle tip against the bracing portion. The bracing portion or the securing component defines a lateral channel in communication with the upstream channel for delivering molding material to the nozzle tip. The nozzle tip can be removed by removing the securing component. | 10-29-2009 |
20100015268 | Method for multilayer molding of thermoplastic resins and multilayer molding apparatus - A multilayer-molding method includes the steps of mixing at least one thermoplastic resin selected from a plurality of types of thermoplastic resins with a bubble-nucleating agent and a foaming gas, injecting the plurality of types of thermoplastic resins into a mold cavity such that the thermoplastic resins are layered in the mold cavity, and then, after increasing the volume of the mold cavity, foaming the at least one thermoplastic resin mixed with the bubble-nucleating agent and the foaming gas. The multilayer-molding method is characterized in that the foaming gas is supplied at a pressure of 0.1 MPa or more but less than 1.0 MPa to at least one injection-molding machine selected from a plurality of injection-molding machines, and that the thermoplastic resin plasticized in the injection-molding machine is mixed with the foaming gas. | 01-21-2010 |
20100068322 | PROCESS AND APPARATUS FOR THE PRODUCTION OF A DETERGENT BAR - In an apparatus and process for manufacturing a detergent bar, the bar comprises a first distinct zone comprising a first component and at least a second distinct zone comprising a second component. In an injection step, the first and second components are injected into the mould cavity via nozzle means having a first orifice through which the first component is injected. The second component is injected through a second orifice of the nozzle means. The first and second components solidify in the cavity to form the bar. The interface between the zones may be non-planar and/or such that the zones cannot be separated by a unidirectional cut. The first and second zones may respectively comprise detergent and a benefit agent. The first and second zones may differ in texture. | 03-18-2010 |
20110123658 | MOLD AND METHOD FOR PRODUCING TWO-COLOR INJECTION-MOLDED PARTS - A mold and a method for producing two-color injection-molded parts involves simultaneous injection of two kinds of molding material, in which a pressure difference between two kinds of molding materials is induced so that one of the molding materials is infiltrated into and bonded to the other molding material during solidification. The method for producing two-color injection-molded parts may include simultaneously injecting a first material and a second material to a first gate and a second gate to be filled in a first cavity and a second cavity, and closing the second gate such that the first molding material, which is not solidified, pushes a slide mold provided between a first mold block and a second mold block using a holing pressure of the first gate and is infiltrated into an unsolidified layer of the second molding material and solidified. | 05-26-2011 |
20110311668 | APPARATUS AND METHOD FOR MANUFACTURING VEHICLE DOOR TRIM AND VEHICLE DOOR TRIM MANUFACTURED USING THE METHOD - A first mold has a core passage, and first and second cavities in fluid communication with each other at the core passage. A second mold has first and second nozzles therein that inject first and second resins to the first and second cavities, respectively. The core member is slidable within the core passage to provide or block the fluid communication between the cavities, and has a third nozzle therein to inject a third resin to the core passage. The first and second resins are injected into the cavities. The core member is moved to block the fluid communication between the cavities, before injecting the first and second resins is completed. The third resin is injected while moving the core member to provide the fluid communication, after injecting the first and second resins is completed. The molds are separated, thereby yielding a single molded product, such as a vehicle door trim. | 12-22-2011 |
20120135096 | RESIN MOLDING MACHINE - The compact resin molding machine is capable of efficiently performing a sequence of molding actions from feeding a work and resin to accommodating the molded work. The resin molding machine comprises: a work conveying mechanism including a robot, which has a robot hand for holding the work and which is capable of rotating and linearly moving; a work feeding section for feeding the work; a resin feeding section for feeding the resin; a press section including a molding die set, in which the work is resin-molded; a work accommodating section for accommodating the molded work; and a control section controlling the entire resin molding machine. The work feeding section, the resin feeding section, the press section and the work accommodating section are located to enclose a moving area of the robot of the work conveying mechanism. | 05-31-2012 |
20120269916 | INJECTION MOLD - A cavity of an injection mold has a ring shape in a plane view, and has a cross-sectional shape having an upper surface forming a design surface of an injection-molded product, both side surfaces continuing from the upper surface, and a bottom surface. When molten resin is injected from a side gate, flows in opposite directions are generated in the cavity and the molten resin meets at a position opposite the side gate in a diameter direction of the cavity, but at this position, the molten resin partly flows into resin reservoirs disposed on both sides. Consequently, since flows horizontal to the upper surface are generated, a luminous material in these flows is also oriented substantially in parallel to the design surface, which can alleviate the disorder of the orientation of the luminous material. | 10-25-2012 |
20130017288 | Mold-Tool Assembly having Nozzle Assemblies to Provide Resins Molded Adjacently - A mold-tool assembly ( | 01-17-2013 |
20130266679 | Coinjection Hot Runner Injection Molding System - A coinjection molding apparatus is disclosed that provides first and second material melt streams to a nozzle. The nozzle defines a first material melt passage for receiving the first material melt stream, a second material melt passage for receiving the second material melt stream and an outer layer melt passage, which receives a portion of the first material melt stream from the first material melt passage. The first material melt stream from the first material melt passage forms an inner layer of a molded article, the second material melt stream from the second material melt passage forms a core layer of the molded article, and the first material melt stream from the outer layer melt passage forms an outer layer of the molded article, wherein the three melt streams combine prior to entering a mold cavity. | 10-10-2013 |
20140023742 | DOUBLE COLOR INJECTION MACHINE WITH SHAFT AND DISC - A double color injection machine with a shaft and a disc is revealed. | 01-23-2014 |
20140220167 | MULTILAYERED CONTAINER, DIE FOR MULTILAYERED CONTAINER, ANDMETHOD FOR PRODUCING MULTILAYERED CONTAINER - The present invention relates to a mold for a multi-layer container. The mold includes a cold-half portion containing a cavity, and a hot-half portion containing a first resin flow path for connecting an interior of a first injection cylinder to the cavity, a second resin flow path for connecting an interior of a second injection cylinder to the cavity, and a junction portion of the first resin flow path and the second resin flow path. The junction portion in the hot-half portion is positioned upstream of a gate portion opened to the cavity included in the cold-half portion, the second resin flow path contains an inhibitor for partially inhibiting a resin flow. | 08-07-2014 |
20140248385 | Coinjection Hot Runner Injection Molding System - A coinjection molding apparatus is disclosed that provides first and second material melt streams to a nozzle. The nozzle defines a first material melt passage for receiving the first material melt stream, a second material melt passage for receiving the second material melt stream and an outer layer melt passage, which receives a portion of the first material melt stream from the first material melt passage. The first material melt stream from the first material melt passage forms an inner layer of a molded article, the second material melt stream from the second material melt passage forms a core layer of the molded article, and the first material melt stream from the outer layer melt passage forms an outer layer of the molded article, wherein the three melt streams combine prior to entering a mold cavity. | 09-04-2014 |
20140287079 | DEVICE FOR INJECTION MOLDING A PREFORM - A preform-molding device has a nozzle section including three cylindrical layer-forming flow channels, which include an inner flow channel and an outer flow channel for forming the substrate layers of the main resin, and a middle flow channel for forming the intermediate layer, and also includes a predetermined number of vertical blocking rib pieces disposed at a downstream end of the middle flow channel, in parallel in the circumferential direction, so that the intermediate layer would be segmented in the circumferential direction into a predetermined number of vertically running streams, wherein flow behavior of the intermediate-layer resin flowing through the middle flow channel is adjusted by positioning the vertical blocking rib pieces in the circumferential direction so as to minimize a difference in height between a maximum height point and a minimum height point that appear in a leading edge of the intermediate layer of the preform. | 09-25-2014 |
20150056317 | THREE-DIMENSIONAL PRINTING APPARATUS - A three-dimensional printing apparatus is provided. The three-dimensional printing apparatus includes a base, a printing head, a plurality of material-supplying spools and a switching unit. The base has a carrying surface. The printing head is disposed above the base. The material-supplying spools respectively include a plurality of construction materials. The construction materials have a plurality of characteristics, and the characteristics are different from each other. The switching unit is configured to selectively connect at least one of the spools to the printing head according to the characteristics. The construction materials of the selected material-supplying spools are dispensed on the carrying surface by the printing head. | 02-26-2015 |
20150079213 | RAPID PROTOTYPING APPARATUS WITH PAGE-WIDTH ARRAY PRINTING MODULE - A rapid prototyping apparatus includes a construction platform, a movable platform, and a page-width array printing module. The construction platform includes a construction chamber. The movable platform and the construction platform are movable relative to each other. The page-width array printing module includes plural inkjet head structures. The printing platform and the movable platform are synchronously moved along a single direction in a reciprocating motion. The plural inkjet head structures are collaboratively defined as at least one page-width array printing unit. The plural inkjet head structures include respective inkjet chips. The inkjet chips are arranged in plural rows and in a staggered form, so that a printing width of the inkjet chips is larger than or equal to a width of a printed pattern. Moreover, at least one monochromatic print liquid is introduced into the construction chamber from the plural inkjet head structures. | 03-19-2015 |
20150079214 | PAGE-WIDTH PRINTING PLATFORM OF RAPID PROTOTYPING APPARATUS - A page-width printing platform comprises a plurality of inkjet head structures collaboratively defined as at least one page-width array printing unit. The inkjet head structures comprise respective inkjet chips disposed on the printing platform and arranged in plural rows and in a staggered form, so that a printing width of the inkjet chips is larger than or equal to a width of a printed pattern. Each of the inkjet chips comprises at least one liquid supply slot, wherein a plurality of liquid ejectors are located at one or two sides of the liquid supply slot along a long axis of the liquid supply slot. At least one monochromatic print liquid is introduced into the construction chamber from the plural inkjet head structures and printed on a construction material within the construction chamber, so that a rapid prototyping width-page printing operation is performed. | 03-19-2015 |
20150291921 | THREE-DIMENSIONAL SOAP OBJECTS FORMED BY ADDITIVE MANUFACTURING - In one aspect, 3D printing systems for fabricating 3D soap objects are described herein. Such systems can form 3D soap objects from a particulate material and a fluid binder material based on design data, such as digital design data. In some cases, a 3D printing system comprises a build chamber comprising a build bed, a particulate material distribution device, and a fluid binder material dispenser. The particulate material distribution device can be configured to distribute successive layers of the particulate material on the build bed. The fluid binder material dispenser can be configured to selectively apply the fluid binder material to portions of the successive layers of particulate material in an amount sufficient to consolidate the portions to define cross-sectional portions of the object. In addition, the particulate material comprises a soap component in an amount of about 10 to 100% by weight. | 10-15-2015 |
20150318455 | QUANTUM DOT (QD) DELIVERY METHOD - An LED is fabricated with a composite layer including quantum dots (QDs), wherein the QDs are provided in a silicone paste. A plurality of QD silicone paste reservoirs each contain a provided silicone paste with QDs of different wavelengths. Further, a silicone paste reservoir containing a clear silicone paste. A paste mixing chamber, in to which the QD paste reservoirs and the silicone paste reservoir supply their respective pastes, mixes together the pastes and form a mixed QD silicone paste. A silicone mixing and metering component receives the mixed QD silicone paste from the paste mixing chamber, and further receives A silicone and B silicone from a respective A silicone reservoir and a B silicone reservoir, measures, and mixes the mixed QD silicone paste with the A and B silicones to form a silicone polymer composite. A dispensing component receives to the silicone polymer composite from the mixing and metering component and dispenses the composite to a molding tool. | 11-05-2015 |
20160052164 | SYNTHETIC MOLDED SLABS, AND SYSTEMS AND METHODS RELATED THERETO - This document describes systems and processes for forming improved synthetic molded slabs suitable for use in living or working spaces (e.g., along a countertop, table, floor, or the like). | 02-25-2016 |
20160052165 | DEVICE AND METHOD FOR PRODUCING THREE-DIMENSIONAL MODELS - 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. In so doing, the device provides a material feeding device having a particle material container to supply particulate material in batches from the storage area to the dosing apparatus and to do so with the least possible amount of shearing forces and without significant interaction with the atmosphere. | 02-25-2016 |
20160250789 | GAS IMPERMEABILITY FOR INJECTION MOLDED CONTAINERS | 09-01-2016 |
425131100 | Extrusion shaping means | 55 |
20090011062 | Multiple Extrusion Head - A multiple extrusion head | 01-08-2009 |
20090017148 | EXTRUSION HEAD - An extrusion head for at least one extruder including a first head part having a first joint and a second head having a second joint wherein the first head part and the second head part are pivotable with respect to each other using the respective first joint and second joint. When the extrusion head is in an operative position, the first head part rests against a first sealing face and the second head part rests against a second sealing face. A drive element is connected to the first head part and the second head part using a connecting element. The first head part and the second head part are movable using the drive element from a fixed operative position into an open rest position. | 01-15-2009 |
20090098231 | APPARATUS FOR THE MANUFACTURE OF COMPOUND PIPES - An apparatus for the manufacture of compound pipes with an oval cross-section is equipped with mould halves which advance in a direction of production and of which two at a time combine as a pair on a moulding path to form one mould. An injection head of at least one extruder is arranged upstream of the moulding path. An external nozzle used for the creation of an external tube is substantially circular in shape and is located at a distance upstream of the moulding path. An internal nozzle with a cross-section similar to the oval cross-section of the pipe to be created is located inside the moulding path. When entering the moulding path, the external tube extruded through the external nozzle is expanded in one direction and pressed together in a direction which is perpendicular to the former. | 04-16-2009 |
20090110761 | Extrusion Molding Apparatus for Resin Tube - The dimensions of a tube molded by an extrusion molding apparatus are made more accurate. The arrangement of the extrusion molding apparatus enabling the molding of the aforesaid accurate tube is simplified. The molding of the aforesaid accurate tube is facilitated. The extrusion molding apparatus ( | 04-30-2009 |
20090162466 | VARIABLE MULTIPLE PARISON EXTRUSION HEAD HAVING AN ELECTRICALLY OPERATED ACTUATOR - Electrically operated actuator for modifying the thickness of the parisons during extrusion, by means of the usual means which modify the internal cross-section of the discharge mouths of the extrusion head and which are connected to a common cross-member ( | 06-25-2009 |
20090263529 | SHEET FORMING DIE AND SHEET FORMING METHOD - Provided is a sheet forming die capable of finely controlling the flow rates of the respective divided flows of a molten resin with precision. The sheet forming die is a sheet forming die | 10-22-2009 |
20090280205 | CO-EXTRUDER HAVING A FILLING ENTRANCE FROM THE REAR - A cutter assembly for an extruder includes an elongated extrusion member having an open feed end. The open feed end is attachable in fluid communication with the extruder for supplying a mash to said elongated extrusion member. An extrusion die is supported on a front of the elongated extrusion member. The extrusion die includes an extrusion outlet formed therein. A filling tube is mounted on a rear of the elongated extrusion member and is attachable in fluid communication with the extruder for supplying a filling to the filling tube. A cutter member has a drivable end and a cutter blade with a cutting surface for cutting extrudate to a desired length as the extrudate exits the extrusion die. The cutter member is operably connectable at the drivable end to a drive device of the extruder for reciprocatably sliding the cutting surface of the cutter blade over and away from the outlet of the extrusion die. | 11-12-2009 |
20090304837 | EXTRUSION DIE ASSEMBLY - An extrusion die assembly includes a hollow extrusion head which has a head inner surface, a central passage inlet opening, a forming section having a die opening, and a receiving space that extends from the central passage inlet opening to the forming section. A flow-dividing core is disposed within the receiving space, and has a central passage connected to the central passage inlet opening and extending to the forming section, and a grooved outer surface that is disposed upstream of the forming section and that has at least one groove which cooperates with the head inner surface to define at least one accumulating passage. An annular passage is formed in the forming section and around the flow-dividing core and the central passage, is connected to the accumulating passage, and merges with the central passage in the die opening. | 12-10-2009 |
20100159053 | Apparatus for Making a Shingle, and Shingle Made Thereby - An apparatus for making a shingle, together with the shingle made thereby, is provided, in which one or more thermoplastic materials are extruded or co-extruded to form an extrudate, with the extrudate being cut into a preliminary shingle shape, which is allowed to dissipate heat, and then is delivered to a compression mold, wherein the preliminary shingle shape is compression molded to substantially its final dimensions and is then discharged from the mold and allowed to cool. | 06-24-2010 |
20100166901 | DISTRIBUTION BLOCK FOR BLOWN-FILM EXTRUSION DIE - A melt distribution block for a co-extrusion die has a generally annular body with opposed front and rear faces and opposed inner and outer faces. Inlets at the outer face have channel ports for accepting flow of melted polymer into the distribution block. Flow controlling valves independently control the melted polymer flow through each of the channel ports. Melt flow channels on the front and rear faces between the inner and outer faces are in fluid communication with the channel ports. A thermal insulation layer within the distribution block between the front and rear faces separate all or part of the melt flow channels on the front face from all or part of the melt flow channels on the rear face. The blocks, together with separator blocks, are axially stackable front to rear around a central mandrel to form an extrusion die for making blown films into tubular form. | 07-01-2010 |
20100239700 | LAYER MULTIPLYING APPARATUS - Apparatus for multiplying layers in a composite polymer stream includes an intermediate section having open conduits sandwiched between housing sections that close the conduits. The conduits have respective first stages separated by a first blade extending to a first face, and respective second stages separated by a second blade extending to a second face. The first stages separate the stream into sub-streams and compress and shift the sub-streams in a first dimension, whereas the second stages shift the sub-streams in a second dimension. In order to maintain a constant cross-sectional area of the sub-streams, the housing sections may be provided with complementary open channels. The apparatus can be used to multiply layers which are side-by-side or one-over-another by changing orientation in the direction of flow. | 09-23-2010 |
20110086120 | EXTRUSION HEAD AS WELL AS AN EXTRUSION DEVICE FITTED WITH SUCH AN EXTRUSION HEAD - An extrusion head configured for at least one extruder includes a flow channel a finishing die; and an opening in operative communication with the flow channel, wherein the opening is configured to at least partially accommodate a screw shaft of an additional extruder. | 04-14-2011 |
20110311669 | GAS ASSISTED CO-EXTRUSION APPARATUS AND PROCESS FOR FORMING FOODS - A gas assisted co-extrusion apparatus includes a co-extrusion die in communication with an extruder. A nozzle that is defined by a bore in the co-extrusion die extends about a nozzle axis to a nozzle exit of the co-extrusion die. An injector extends through the bore of the co-extrusion die along the nozzle axis. The injector and nozzle together form a dough into a rope that is tubular with a wall portion and an inner cavity surrounded by the wall portion as the dough is extruded out of the nozzle exit and about the injector. A compressed gas source provides a compressed gas out of an injector outlet and into the inner cavity of the rope to radially stretch the wall portion of the rope as the rope is dispersed from the injector. The co-extrusion die is spaced from the extruder to define a void therebetween. A delivery system delivers an entrainable material to the compressed gas in a pipe. The pipe is connected to an injector inlet of the injector in the void. This allows the pipe to operate within the ambient temperature of the environment and for the entrainable material to be entrained into the compressed gas prior to being introduced into the injector. | 12-22-2011 |
20120207866 | Double-Flow Screw Spindle Machine - The invention relates to a double-flow screw spindle machine for drive generation by multiphase mixtures or for the delivery of multiphase mixtures, comprising at least two separate inlet chambers ( | 08-16-2012 |
20130028999 | PROCESS AND DEVICE FOR THE CONTINUOUS PRODUCTION OF AN EXTRUDATE FROM FINELY DIVIDED PLANT MATERIAL AND A THERMOPLASTIC MATERIAL - A device for continuous production of an extrudate from finely divided plant material and a thermoplastic material. When viewed in an extrusion direction, first the finely divided plant material and then the thermoplastic material are fed to an extrusion device, which can be a twin-screw extruder. The fed-in materials are mixed with one another, degassed and jointly extruded from the extrusion device and thus form the extrudate, and the plant material is embedded in the thermoplastic material, wherein the plant material and the thermoplastic material are fed into the extrusion device at a common position or two directly successive positions. The thermoplastic material is plastified in a separate plastifier extruder before being fed into the extrusion device and is fed from the extruder to the extrusion device in a plastified state, and the plant material is then degassed together with the thermoplastic material. | 01-31-2013 |
20130243894 | LAYER SEQUENCE REPEATER MODULE FOR A MODULAR DISK CO-EXTRUSION DIE AND PRODUCTS THEREOF - A layer sequence repeater module for a co-extrusion die includes a cell formed of a plurality of thin annular disks stacked on top of each other in an axial direction of the co-extrusion die. Each disk includes a plurality of openings aligned with openings in the adjacent disks, thus forming multiple inner and outer melt passages. At least one of the layer sequence repeater module includes at least one first cap disk, at least one second cap disk, at least one distribution disk, at least one repeater disk and at least one spreader disk. The layer sequence repeater module may be a separately assembled and individually removable module of the co-extrusion die. Alternatively or additionally, the layer sequence repeater module may be incorporated into a module of the co-extrusion die. | 09-19-2013 |
20140322374 | METHOD AND APPARATUS FOR MAKING THREE-DIMENSIONAL OBJECTS FROM MULTIPLE SOLIDIFIABLE MATERIALS - Methods and apparatuses for making three-dimensional objects from multiple solidifiable materials is shown and described. Multiple solidifiable material container assemblies are provided for holding different solidifiable materials. Relative movement between the solidifiable material container assemblies and a build platform allows the solidifiable materials to be switched as an object is built. Several exemplary cleaning stations are provided for removing residual solidifiable materials from the surface of the three-dimensional object as it is built to better ensure smooth transitions between materials on the finished object. | 10-30-2014 |
20150037445 | AUTOMATED DEVICES, SYSTEMS, AND METHODS FOR THE FABRICATION OF TISSUE - Described herein are improvements to bioprinting technology that facilitate automation of tissue and organ fabrication processes. | 02-05-2015 |
20150037446 | FUSED FILAMENT FABRICATION SYSTEM AND METHOD - A fused filament fabrication system and method comprises a motor for moving the system along a linear rail during operation, a drive gear coupled to the motor. The drive gear rotates in the direction of the motor during operation and selectively operatively engages first or second idler gears during operation of the system. The system also comprises first and second filaments for the selective passage of material to corresponding first and second extruders, the first filament is positioned between the first idler gear shaft and idler bearing and the second filament is positioned between the second idler gear shaft and idler bearing. | 02-05-2015 |
20150140147 | TWO-MOTOR MULTI-HEAD 3D PRINTER EXTRUSION SYSTEM - A 3D printing system having a rotating plate wherein at least two printing components are selectively attached to said rotating plate, and wherein said rotating plate is capable or rotating to selectively engage each said printing component to a drive motor which is capable of driving the printing component when engaged. | 05-21-2015 |
20150306823 | MULTIPLE EXTRUSION IN THREE-DIMENSIONAL PRINTING - An extrusion assembly for a three-dimensional printer includes a plurality of extruders that can move independently relative to one another during a fabrication process. This permits concurrent extrusion over a variety of different tool paths, advantageously increasing the overall speed of fabrication. In general, the extrusion assembly as a whole may move within the x-y-z space of a build volume using conventional techniques, while one extruder is movable relative to the other, e.g., by moving radially about the other extruder in an x-y plane of the fabrication process or by moving in the z-axis of the fabrication process relative to the other extruder. Additional extruders may be usefully added to further increase the aggregate volume deposition rate in a three-dimensional fabrication process. | 10-29-2015 |
20160121535 | DEVICE AND METHOD FOR NOZZLE ADJUSTMENT - A nozzle adjustment device for a three-dimensional forming equipment assembly includes a first guiding block, a second guiding block, and a moving block. The first guiding block has a first inclined surface and a first bottom surface which is parallel to a printing platform. The first inclined surface and the first bottom surface form an acute angle therebetween. The second guiding block has a second inclined surface. The moving block is located between the first guiding block and the second guiding block. The moving block has a third inclined surface, a fourth inclined surface, and a second bottom surface. The second bottom surface is parallel to the printing platform, and has a nozzle disposed thereon. | 05-05-2016 |
20160136897 | ADDITIVE MANUFACTURING TECHNIQUES AND SYSTEMS TO FORM COMPOSITE MATERIALS - A printer system may include a coaxial extruder head that extrudes a core, a bulk, and/or a core and bulk cladding to form complex structures without retooling. The coaxial extruder head may include a distribution channel with an entrance and an exit, a priming chamber that surrounds the distribution channel. The priming chamber may include an outlet and a first inlet, a heating element thermally connected to the priming chamber, and a nozzle connected to the outlet of the priming chamber. Further, the nozzle may converge from the outlet of the priming chamber to an orifice of the nozzle. In addition, the exit of the distribution channel may be disposed at the orifice of the nozzle. This structure facilitates extruding a core and cladding type composite from the extruder head. | 05-19-2016 |
20220134652 | FILAMENT ADHESIVE DISPENSER SYSTEM - Provided are systems for dispensing a filament adhesive. The dispensing systems include a dispensing head with a barrel including one or more heating elements, and a rotatable screw received in the barrel, the rotatable screw including at least one mixing element. An inlet extends through a side of the barrel for receiving the filament adhesive. An outlet at a distal end of the barrel for dispensing the filament adhesive in molten form. The dispensing system further includes a filament adhesive having a configuration to be received into the inlet of the dispensing head. Using the provided dispensing systems, and optionally with the assistance of a computer, adhesives can be precisely applied to pre-determined locations on a substrate. | 05-05-2022 |
425131500 | Comprising spinnerette | 3 |
20080241297 | Electric spinning apparatus for mass-production of nano-fiber - The present invention relates to an electrospinning apparatus for mass-production of nanofibers, particularly to an electrospinning apparatus with an electric stability and an improved nozzle blocks. The bottom-up electrospinning apparatus for the mass-production of nanofiber comprises at least one nozzle block having a plurality of spinning nozzles arranged in the horizontal and vertical direction; a collector installed over the nozzle blocks in order to correspond to the nozzle blocks and maintain a certain distance in between; a power source to apply voltage difference between the nozzle block and the collector; and a spinning solution container to supply the spinning solution to the nozzle block, wherein the nozzle block and the collector are connected to the positive terminal and the negative terminal, respectively and among a plurality of spinning nozzles arranged along the horizontal line, a spinning nozzle in the middle and a spinning nozzle in the end have different height. | 10-02-2008 |
20080268082 | Hollow-fiber spinning nozzle - A hollow fiber spinning nozzle in which supply bores and a nozzle structure connected to these and having a mass discharge opening and a needle with a coagulation agent bore are formed in a base body. At least two plate-shaped bodies structured by means of micro-structure technology are joined together to form the base body. | 10-30-2008 |
20110059196 | DEVICE FOR MELT SPINNING MULTICOMPONENT FIBERS - A device for melt spinning multi-component fibers including at least two melt inlets for introducing separately guided melt components is presented. The device includes a feed plate having a plurality of feed channels for distributing the melt components, a distributor block associated with the feed plate, and a nozzle plate adjoining the distributor block and including a plurality of nozzle bores, wherein the distributor block has several thin distributor plates stacked on top of each other and each have a hole pattern with multiple distribution openings. The thin distributor plates are configured inside the distributor block such that a plurality of melt channels form, which connect the feed channels of the feed plate to the nozzle bores of the nozzle plate. In order to implement high flow volumes, multiple distributor plates having identical hole patterns of the distribution openings are stacked in a tightly sealing manner inside the distributor block. | 03-10-2011 |
425132000 | Intermittent feed | 14 |
20090074898 | EXTRUSION FEED DEVICE FOR COMPOSITE RESIN AND COMPOSITE RESIN MASS - An extrusion feed device for a composite resin capable of forming a composite resin extruded material having a variety of layer configurations not necessarily symmetrical. A plurality of cylindrical flow passages ( | 03-19-2009 |
20100021580 | PANTOGRAPH ASSEMBLY FOR DIGITAL MANUFACTURING SYSTEM - A digital manufacturing system for producing first and second objects comprises a platen, a gantry, a pantograph extrusion head system and first and second sets of extruders. The platen defines a workspace upon which the objects are produced. The gantry defines a headspace displaced from the workspace. The extrusion head system is mounted to the gantry for movement in the headspace. The sets of extruders are connected to the extrusion head system and are configured to deposit extrusion material on the workspace to build the objects. Each set of extruders comprises a first extruder mounted to the extrusion head system; a second extruder mounted to the extrusion head system so as to be actuatable from a first to a second position; and a flexible linkage connecting the extruders. The flexible linkages position the second extruders in approximately equal known spatial relationships to the first extruders in the second positions. | 01-28-2010 |
20100129482 | Intermittent flow extrusion process and food product - An extrusion process incorporates a forming manifold where a tubular flow of a second material is intermittently interrupted while a core flow of a first material is discharged substantially continuously. Subsequently, the core flow is severed to form individual food items or treats for humans, animals, and the like, where the tubular flow results in an outer component surrounding an inner component which protrudes from one or both ends of the outer component. Material of the core flow is bone-like, while material of the tubular flow is meat like. Material of the tubular flow may include material from the core flow subjected to mixing in a static mixer to achieve a marbled texture of the outer material. | 05-27-2010 |
20130251833 | EXTRUSION DEVICE IN PARTICULAR FOR PLASTIC MATERIALS - An extrusion device, in particular for plastic materials comprising: an extrusion head ( | 09-26-2013 |
20140328962 | APPARATUS FOR FILLING A CONFECTIONARY ARTICLE - Disclosed is a nozzle assembly for usage with at least one conduit, the nozzle assembly including a nozzle support ( | 11-06-2014 |
20150056318 | PRINTING HEAD MODULE AND THREE DIMENSIONAL PRINTING APPARATUS USING THE SAME - A printing head module and a three dimensional (3-D) printing apparatus using the same are provided. The 3-D printing apparatus includes a base and the printing head module. The printing head module is disposed above the base and includes a printing head and at least one material spool. The printing head includes a plurality of assembling pieces assembled with each other to form the printing head and define a nozzle of the printing head. Each of the assembling pieces includes at least one material-supply groove. The material-supply grooves of any two adjacent assembling pieces are located corresponding to each other to form at least one material-supply channel together. Each material spool is connected to the material-supply channel for providing at least one fluid material to the material-supply channel. The fluid material is transmitted via the material-supply channel to be dispensed on the base. | 02-26-2015 |
20150093465 | Material Dispensing System - Additive manufacturing systems and apparatus include, in one aspect, a material deposition system including an extruder for deposition materials, the extruder including two or more material entry ports, a mixing chamber, and an exit orifice; and a controller coupled with the extruder to dynamically change delivery rates of the deposition materials to be mixed in the mixing chamber before flowing from the exit orifice; wherein the controller combines a desired volume flow rate of material to flow from the exit orifice with a mix ratio to specify the delivery rates of the deposition materials. The system can include filament drive systems to feed the thermoplastic materials in filament form into the entry ports, and the controller can dynamically change the mix ratio when operating the filament drive systems to control one or more properties of the material to flow from the exit orifice. | 04-02-2015 |
20150328837 | PRINTING HEAD MODULE - A printing head module includes a driving gear, a bi-directional motor, a first feeding module and a second feeding module. The bi-directional motor selectively drives the driving gear to rotate along a first direction and a second direction. The first feeding module disposed at a first side of the driving gear includes a first unidirectional gear and a first idler gear. The driving gear is engaged with the first unidirectional gear, and the first unidirectional gear unidirectionally drives the first idler gear to rotate. The second feeding module is disposed at a second side of the driving gear opposite to the first side, and includes a second unidirectional gear and a second idler gear, the driving gear is engaged with the second unidirectional gear to drive the second unidirectional gear to rotate, and the second unidirectional gear unidirectionally drive the second idler gear to rotate. | 11-19-2015 |
20160039151 | COLOR SWITCHING FOR THREE-DIMENSIONAL PRINTING - By reversing the direction of a first build material fed into an extruder, the first build material can be wholly or partially evacuated from the extruder before a second material is introduced. This approach mitigates transition artifacts and permits faster, more complete changes from one build material to another. | 02-11-2016 |
20160052206 | TOOL HEAD - A tool head for use in a | 02-25-2016 |
20160059488 | MULTICOLOURED FUSED DEPOSITION MODELLING PRINT - The invention relates to a modified fused deposition modeling process for production of multicolored three-dimensional objects. More particularly, the invention relates to a 3D printing process with which 3D objects with particularly good color appearance compared to the prior art can be produced. The process according to the invention is based on coloring of the polymer strand used for production of the actual object in the nozzle, and on using a mixing apparatus which comprises a plurality of injection needles, a static mixer or a dynamic mixer. | 03-03-2016 |
20160129632 | THREE-DIMENSIONAL OBJECT FORMATION APPARATUS - A three-dimensional object formation apparatus includes a head unit and a curing unit. The head unit is configured to discharge liquid of a plurality of colors including a first color and a second color and form dots having a plurality of sizes, which include a first dot having a first size and a second dot having a second size with the discharged liquid. The curing unit is configured to cure the dots. The three-dimensional object formation apparatus is configured to form a three-dimensional object by laminating formation layers each of which has a predetermined thickness and is formed using the cured dots. The formation layers include the first dot and the second dot. | 05-12-2016 |
20160185042 | PRINTING HEAD ASSEMBLY - A printing head assembly including a fixing member, two nozzle heads, two driving units, two position-limiting members, and two position-restoring members is provided. Each nozzle head has a filament connection tube and a material extrusion port respectively penetrating through the fixing member, wherein the filament connection tube has a position-limiting portion. The driving units drive the corresponding filaments to feed into the corresponding nozzle heads. The position-limiting members are respectively disposed between the corresponding driving unit and the fixing member, and are connected to the corresponding filament connection tubes. The position-restoring members are respectively disposed between the corresponding position-limiting member and the fixing member. Each of the filament connection tubes respectively leans against the fixing member through the corresponding position-limiting portion or the corresponding position-limiting member, so as to limit the material extrusion port of each nozzle head to move between a first height level and a second height level. | 06-30-2016 |
20160375641 | THREE-DIMENSIONAL SHAPED ARTICLE MANUFACTURING METHOD, THREE-DIMENSIONAL SHAPED ARTICLE MANUFACTURING APPARATUS, INK SET, AND THREE-DIMENSIONAL SHAPED ARTICLE - A three-dimensional shaped article manufacturing apparatus is an apparatus for manufacturing a three-dimensional shaped article by laminating layers formed by discharging and curing inks including a curable resin. The apparatus includes a first discharge unit configured to discharge a substantive section-forming ink to a region that forms the three-dimensional shaped article; a second discharge unit configured to discharge a sacrificial layer-forming ink for forming a sacrificial layer to a region that is adjacent to a region that forms an outermost layer of the three-dimensional shaped article and on a surface side of the outermost layer, with the substantive section-forming ink and the sacrificial layer-forming ink both including a curing component; and a curing unit configured to cure both the substantive section-forming ink and the sacrificial layer-forming ink, a viscoelasticity of the sacrificial layer-forming ink during curing of the substantive section-forming ink being less than a viscoelasticity of the substantive section-forming ink during curing of the substantive section-forming ink. | 12-29-2016 |
425133100 | Concentric | 10 |
20090074899 | METHOD AND APPARATUS FOR EXTRUDING AND BLOW MOLDING MULTICOLORED PLASTIC ARTICLES - Cylindrical extrusions having multiple colors, capable of serving as parisons for subsequent blow molding operation, are formed in an apparatus in which plastics of each color to be incorporated in the finished product are fed by separate extruders to an extruding head having a stack of cylindrical spools each formed with a number of apertures around their periphery. The apertures in each spool are interleaved with corresponding apertures in the other spool or spools. The interiors of the apertures are fed into a conduit which extends coaxially with the axes of each of the spools so that the outputted plastic has multicolored stripes along its length. In an embodiment in which the spool is rotated in timed relation to the feed from the extruders, the output is twisted along the central axis to form a “barber pole” stripe arrangement. In an alternate embodiment a programming plate is disposed beneath the output. The plate has apertures which align with certain of the feeds from the spool and block others, and the plate may be rotated between a number of alternating positions to provide extrusions with horizontal stripes or checkerboard patterns. By blow molding the resulting parisons, multicolored containers with interesting patterns may be produced. | 03-19-2009 |
20100112111 | DEVICE FOR THE PRODUCTION OF MULTI-LAYER TUBES - A device for the production of multi-layer tubes (A), in particular foam core tubes, with an extruder arrangement ( | 05-06-2010 |
20100189838 | INJECTION HEAD FOR A CORRUGATOR FOR THE PRODUCTION OF PLASTICS PIPES - An injection head ( | 07-29-2010 |
20100203181 | EXTRUSION APPARATUS FOR MAKING MULTILAYER ARTICLES - In certain aspects of the invention, an extrusion apparatus for making a multilayer article includes multiple discs, each of which has at least one passageway configured to permit fluid flow therethrough in a flow direction. At least one of the discs includes a cone shaped portion extending substantially parallel to the flow direction. | 08-12-2010 |
20110081438 | EXTRUDER DIE AND CUTTER ASSEMBLY HAVING AN EXTRUSION DIE WITH A SHAPED EXTRUSION PORT AND A FILLING TUBE - A die and cutter assembly for an extruder includes an elongated extrusion member having a first, open end and a second, closed end. The first, open end is attachable in fluid communication with a first manifold of the extruder, and the second, closed end is formed by a removable extrusion end cap. An extension is formed on the elongated extrusion member. A filling passageway is formed in a wall of the elongated extrusion member, which is attachable to a second manifold of the extruder. A first filling passageway extension is in communication with and removably mounted to the filling passageway. The first filling passageway extension generally transverse to the filling passageway and extends into the extension of the elongated extrusion member. An extrusion die is formed on the extension of the elongated extrusion member. A cutter member has an opened drivable end, an elongated cutter wall, and an opened cutter end with a cutting surface for cutting extrudate to a desired length as the extrudate exits the die. The cutter member is disposed at least partially over and reciprocally slideable on the extrusion wall and operably connectable at the drivable end to a drive device of the extruder for reciprocatably sliding the cutting surface of the cutter member over and away from the extrusion die. | 04-07-2011 |
20130115324 | Apparatus for the Continuous Production of a Twin Wall Pipe with an Integral Socket - An apparatus for the continuous production of a twin wall pipe has mold block halves supplied in pairs to form a mould, and a pipe head, which has an external nozzle for the extrusion of an external hose and an internal nozzle for the extrusion of an internal hose. A support air and venting channel which is annular-cylindrical and concentric with respect to the centre longitudinal axis of the pipe head opens out between the external nozzle and internal nozzle. | 05-09-2013 |
20130149403 | Die, System, and Method for Coextruding A Plurality Of Fluid Layers - A die for coextruding a plurality of fluid layers generally includes a primary forming stem, one or more distribution plates, and a microlayer assembly. The microlayer assembly includes a microlayer forming stem and a plurality of microlayer distribution plates. | 06-13-2013 |
20140170254 | ELASTOMERIC TUBE AND METHOD OF MAKING SAME - In an elastomeric tube and a method for making such a tube, two medical-grade silicone rubber compositions are coaxially coextruded to form a tube. The compositions respectively differ in at least one physical property and respectively have similar curing conditions. The two compositions are blended at an interface formed between the two compositions during the coextruding, so that between 1-99% of the tube forms a blended gradient. The coextruded tube is then cured. | 06-19-2014 |
20140271962 | TRIPLE PARISON COEXTRUSION MULTI-LAYER FLOWHEAD APPARATUS - A triple parison flowhead apparatus for producing three multi-layer parisons simultaneously. The triple parison flowhead includes a first parison flowhead, a second parison flowhead, and a third parison flowhead substantially abutted to one another. Each flowhead includes a plurality of rings having flow passages, defining a center axis, and having an annular flow conduit in fluid communication with the flow passages and a plurality of ports. A set of mold plattens having a width is located adjacent to the first, second, and third parison flowheads. The flow passages in each ring are defined by a height and a diameter of each ring, and a combination of the width of the mold plattens and the flow passages minimizes the center-to-center distances between the three parison flowheads. | 09-18-2014 |
20150064296 | ANNULAR CO-EXTRUSION DIE - An annular co-extrusion die for extruding multi-layer tubular plastic film has inner die mandrels stacked one upon another. Each die mandrel has a generally U-shaped cross-section with side walls extending substantially in parallel with the longitudinal axis of the die. The outer surfaces of the die side walls each have a series of helical shaped grooves formed therein. An annular outer die member surrounds the first inner die mandrel and the inner surface of the outer member and the outer surface of the first inner die mandrel form a longitudinally extending annular extrusion passage. Additional longitudinally extending annular extrusion passages are formed between outer and inner surfaces of nesting inner die mandrels. | 03-05-2015 |
425133500 | For extruding film | 4 |
20080274222 | Decoupled transverse flow metering gap and lip gap - The present invention provides a slot die that includes a flow passageway that includes a transverse flow-providing manifold, a flow metering section that provides a transverse flow metering gap, and an exit channel that includes an exit orifice. In accordance with the invention, the transverse flow metering gap may beneficially be selected independent of changing the gap or width of the exit office, using one or more normally non-adjustable die bodies. | 11-06-2008 |
20080274223 | Decoupled transverse flow metering gap and lip gap - The present invention provides a slot die that includes a flow passageway that includes a transverse flow-providing manifold, a flow metering section that provides a transverse flow metering gap, and an exit channel that includes an exit orifice. In accordance with the invention, a transverse flow metering gap may beneficially be selected independent of changing the gap or width of the exit office, using one or more normally non-adjustable die bodies. | 11-06-2008 |
20100173031 | Die, system, and method for coextruding a plurality of fluid layers - A die for coextruding a plurality of fluid layers includes one or more distribution plates for forming relatively thick layers, and a microlayer assembly for forming a plurality of microlayers. The die further includes internal fluid passages and/or forming surfaces to allow the microlayers to assemble into a microlayered fluid mass prior to merging with the relatively thick layers from the distribution plates. | 07-08-2010 |
20130011506 | FEEDBLOCK FOR MAKING MULTILAYERED FILMS - Generally, the present description relates to a feedblock and a multilayer film die for creating polymeric multilayered films. The feedblock includes a stack of many layers of thin metal plates having flow profile cutouts, to create alternating layers of polymer. | 01-10-2013 |
425134000 | Traveling female mold type shaping means | 3 |
20090092699 | Injection Mold For Multi Insert Container - An injection mold for a multi insert container is provided, which includes a plurality of cavities, formed in order between a fixed mold and a movable mold that constitute an injection mold, for performing an insert molding of the multi insert container by stages, wherein an insert injection molding is performed simultaneously with a successive supply of molded products to the respective cavities. According to the injection mold, since a multi insert molding is performed through movement of the molded products by stages in the single mold, the workability is improved in comparison to a conventional insert molding method that uses a plurality of molds, and the molding conditions of the molded products are kept uniform to achieve a good quality of the molded products. | 04-09-2009 |
20120087999 | INJECTION MOLDING MACHINE FOR TWO-MATERIAL MOLDING - It is an object to prevent dies from interfering with each other when the dies are closed and effectively prevent overshoot of cavity temperature while efficiently performing heating of the dies. In an injection molding machine for two-material molding including two sets of a first injecting unit and a second injecting unit that respectively plasticize different resin materials and inject and fill the resin materials, prior to performing injection molding on the first injecting unit side on a secondary side, after injection molding on the second injecting unit side on a primary side, heating of the dies is started before 180-degree rotation of a rotary die plate is completed. After the start of heating, until the 180-degree rotation of the rotary die plate is completed, i.e., die closing is performed, die temperatures are maintained within a temperature range set higher than die temperatures during the heating start and lower than die temperatures during injection. | 04-12-2012 |
20130302458 | Coinjection Hot Runner Injection Molding System - A coinjection molding apparatus is disclosed that provides first and second material melt streams to a nozzle. The nozzle defines a first material melt channel for receiving the first material melt stream and a second material melt channel for receiving the second material melt stream. The nozzle includes a sleeve and a nozzle tip having a tip divider. The sleeve is disposed within a longitudinal bore of the nozzle to divide the nozzle bore into the first material melt channel and the second material melt channel. The nozzle tip is coupled to a downstream end of the nozzle and defines a first material melt passage for receiving the first material melt stream from the first material melt channel of the nozzle and a second material melt passage for receiving the second material melt stream from the second material melt channel of the nozzle. The tip divider includes an upstream segment that is engaged with a downstream end of the sleeve to provide fluid communication between the first material melt passage of the nozzle tip and the first material melt channel of the nozzle. | 11-14-2013 |