Class / Patent application number | Description | Number of patent applications / Date published |
425113000 | Extrusion shaping means | 35 |
20080213419 | Viscosity pump for extrusion-based deposition systems - A pump system comprising a delivery assembly configured to feed a solid material under operational power of a first drive motor, and a screw pump comprising a housing that at least partially defines a barrel of the screw pump, an extrusion tip secured to the housing at a first end of the barrel, a liquefier secured to the housing and intersecting with the barrel, and an impeller extending at least partially through the barrel. The liquefier is configured to receive the solid material fed from the delivery assembly, to at least partially melt the received solid material, and to direct the at least partially melted material to the barrel, and the impeller is configured to drive the at least partially melted material that is directed to the barrel toward the extrusion tip under operational power of a second drive motor. | 09-04-2008 |
20080248147 | Apparatus and Method For Producing a Film Having a Tear Guiding Region, and an Extruded Film Having Such a Tear Guided Region - The invention provides an apparatus ( | 10-09-2008 |
20080286395 | Molding manufacturing method and apparatus - A molding manufacturing method includes: preparing a molding body including a molding main body made of thermoplastic material and a decorative layer higher than the molding main body in hardness and melt temperature; setting the molding body in a fixed die; heating and softening an end portion of the molding body while maintaining the decorative layer softer than the molding main body, by irradiating an infrared ray onto a back surface of the molding main body corresponding to the end portion; and press forming the end portion of the molding body by applying a movable punch onto the fixed die while the end portion of the molding body is in a softened state to bend the end portion of the molding body to obtain an end cover portion having a predetermined shape. | 11-20-2008 |
20090238908 | ARRANGEMENT AND METHOD IN CONNECTION WITH EXTRUSION TOOLS - The invention relates to an arrangement in connection with extrusion tools. It comprises a nozzle structure which is provided with coaxially arranged nozzle elements ( | 09-24-2009 |
20100015267 | Dies for Making Extruded Synthetic Wood and Methods Relating Thereto - The present invention is directed to extrusion dies for making extruded synthetic wood and methods relating thereto. The dies include adapter dies, transition dies, stranding dies, and molding dies. The adapter dies include a channel with a restricted cross-sectional area. The stranding dies include a plurality of non-uniform channels that differ in length, cross-sectional area, cross-sectional shape, or combinations thereof. The transition dies are coordinately configured with the stranding die to adjust the flow rate of the extrudate. Particular configurations of dies upstream of the molding die allow for higher compression ratios in the molding die than previously feasible. Each of the dies described herein may be used individually with standard dies known in the alt. Alternatively, the dies may be used in combination to form integrated units. The dies described herein allow for making stronger, more consistent synthetic wood at greater output rates than previously possible. | 01-21-2010 |
20100034912 | GEAR TYPE EXTRUDER FOR RUBBER - The present invention provides a gear type extruder for rubber, which is capable of preventing deterioration of tire uniformity level such as RFV caused by pulse-like changes in rubber extrusion rate during extruding a ribbon-shaped rubber from the gear type extruder. Gears | 02-11-2010 |
20100062093 | METHOD AND APPARATUS FOR PRODUCING FULLY COOKED EXTRUDATES WITH SIGNIFICANTLY REDUCED SPECIFIC MECHANICAL ENERGY INPUTS - Improved extruders and methods for the extrusion cooking of comestible products such as human foods or animal feeds are provided wherein the products may be produced with very low specific mechanical energy (SME) inputs as compared with conventional processing. The methods preferably involve introduction of very high levels of steam into the extruder barrel ( | 03-11-2010 |
20100119636 | DIE FOR EXTRUSION FORMING HEAD - The invention is made to accelerate extrusion forming by reducing a friction between a forming rubber formed to cover a cord or formed to extrude and an inner wall face of a path at inside of a die as the die used for an extrusion forming head, a portion of an upstream portion of a rubber forming path ( | 05-13-2010 |
20100143518 | SCREW MACHINE - A screw machine, in particular an extruder, has a housing which has a supply opening at a supply end. At least one bore with a longitudinal axis is provided, in which a screw shaft is rotatably arranged. The drive takes place by means of a drive motor using a gear, the output shaft of which has a rotary drive connection to the screw shaft. Provided between the housing and the gear is a slide connection, which allows a displacement of the housing relative to the gear in the direction of the longitudinal axis. | 06-10-2010 |
20100173030 | PRODUCTION OF UHMWPE SHEET MATERIALS - Wide panels of UHMWPE having exceptional flatness and surface quality are ram extruded through a slit die equipped with a plurality of individually adjustable cooling zones proximate the panel exit slit and transverse to the machine direction which cool the by a back pressure device and preferably a vertical movement restraint. The process is robust and can be run for long product campaigns. | 07-08-2010 |
20100209545 | APPARATUS FOR RELEASING FOOD SLURRY ALONG PREDETERMINED COURSE - A mechanical apparatus for releasing food slurry along a predetermined path or course is provided. Therein, a slurry extruding mechanism is fixedly provided on a transverse translation frame and a longitudinal translation frame that are powered respectively by servomotors. When the translation frames are simultaneously driven, the food slurry is released from the extruding mechanism onto a conveyor belt along the predetermined course, thereby forming food products of a specific shape. | 08-19-2010 |
20100221375 | Extrusion/Dispensing Systems And Methods - A device for extruding/dispensing materials on a substrate includes a housing with at least two channels formed to facilitate flow. The housing includes entrance ports for each of the channels for receiving different materials. The housing further includes an exit port for co-extruding the materials on the substrate to generate a relatively fine feature with a relatively high aspect ratio. | 09-02-2010 |
20100272841 | EXTRUDER - An extruder that can be cleaned more easily. An extruder in which a material is supplied from a supply opening ( | 10-28-2010 |
20100285165 | SCREW EXTRUDER FOR CONTINUOUS EXTRUSION OF MATERIALS WITH HIGH VISCOSITY - Screw extruder for the continuous extrusion of materials with high viscosity, in particular metals such as aluminium and its alloys. The extruder includes an Archimedes screw ( | 11-11-2010 |
20100297277 | Extrusion Device - An extrusion device comprising an extruder screw for conveying extrudable material, in particular natural or synthetic rubber materials. The extrusion device also comprises a nozzle having two nozzle dies that are displaceable relative to one another. Furthermore, the extrusion device comprises a reinforcing material feeder for conveying reinforcing material in the direction of the nozzle, via which reinforcing material and extrudable material are discharged together from the extrusion device. The reinforcing material is guided in a horizontal plane of separation. | 11-25-2010 |
20100303942 | Alignable Cooling Plug for Extruder - A molding apparatus for the manufacture of pipe advantageously uses a cooling plug that is adjustably-secured to the extrusion head to compensate for misalignment of the extrusion head relative to recirculating mold blocks. This provides a simplified adjustment for adjusting the molding apparatus to correct for wall thickness variations in the molded pipe. This apparatus can be used in combination with existing alignment systems. | 12-02-2010 |
20100310693 | EXTRUDER SCREW FOR A SCREW EXTRUDER - The invention concerns an extruder screw ( | 12-09-2010 |
20100323049 | Adjustment mechanism for extrusion die - A device is constructed for adjusting the concentricity of a die within an extrusion die assembly. The adjustment mechanism involves a series of compound screws having multiple operating threads that employ different pitches to generate a fine adjustment motion. The compound screws are coupled to opposing spring loaded plungers that move against a bias spring in reaction to movement of the compound screws. | 12-23-2010 |
20110027403 | HEAD ASSEMBLY FOR USE IN A ROTARY HEAD EXTRUDER FOR EXTRUDING A FOOD PRODUCT - A head assembly ( | 02-03-2011 |
20110081436 | EXTRUDER FEED SECTION WITH PIVOTABLE FEED ROLL ASSEMBLY - A feed section for an extruder machine including a housing having one or more walls defining an interior area within the housing. The feed section includes a shaft mounted to one or more of the walls and a feed roll assembly disposed at least partially in the interior area and pivotally coupled to the shaft for pivotal movement of the feed roll assembly relative to the housing. The feed roll assembly includes a seat portion releasably coupled to a cap portion. The cap portion is pivotally coupled to the shaft for pivotal movement of the cap portion relative to the housing and the seat portion. The feed roll assembly includes a feed roll rotatingly mounted between the seat and cap portions for conveying material to be extruded between an inlet and outlet of the housing. | 04-07-2011 |
20110104319 | ROTARY FORMING DEVICES AND METHODS FOR USING SUCH DEVICES - Rotary forming devices and methods of using the rotary forming devices for producing products such as filled and unfilled “pillow” shaped products. In an embodiment, the invention provides a device comprising a housing comprising a die plate defining a plurality of outlets. The housing defines an inlet. A race plate is attached to the die plate. The race plate circumscribes the outlets of the die plate. A forming wheel is rotatably attached to the die plate. A motor assembly is attached to the forming wheel. The motor assembly is constructed and arranged to rotate the forming wheel in a hypocycloid motion. | 05-05-2011 |
20110111076 | Solar Cell Fabrication Using Extruded Dopant-Bearing Materials - Wafer-based solar cells are efficiently produced by extruding a dopant bearing material (dopant ink) onto one or more predetermined surface areas of a semiconductor wafer, and then thermally treating the wafer to cause diffusion of dopant from the dopant ink into the wafer to form corresponding doped regions. A multi-plenum extrusion head is used to simultaneously extrude interdigitated dopant ink structures having two different dopant types (e.g., n-type dopant ink and p-type dopant ink) in a self-registered arrangement on the wafer surface. The extrusion head is fabricated by laminating multiple sheets of micro-machined silicon that define one or more ink flow passages. A non-doping or lightly doped ink is co-extruded with heavy doped ink to serve as a spacer or barrier, and optionally forms a cap that entirely covers the heavy doped ink. A hybrid thermal treatment utilizes a gaseous dopant to simultaneously dope exposed portions of the wafer. | 05-12-2011 |
20110287119 | Machine and Method for Producing Extruded Concrete Product - A machine and method of extruding concrete building product, e.g., brick, tile, paver, or shingles, and concrete mixture therefor. The mixture has aggregate, liquid and binder that includes fly ash and can include slag with moisture content controlled producing a zero or negative slump loose feed mixture compacted in a consolidation chamber of the machine into increased density consolidated mixture extruded from an extrusion chamber in communication with the consolidation chamber with compaction force being generally transverse to extrusion force. Compaction force is maintained during extrusion through a die of non-tapering construction. Where the extruded product is a brick, the extruded slug is cut into a plurality of bricks using a rotary cutter having an offset forming an increased moisture absorbing region in the cut surface of each brick formed from the slug that better bonds with mortar during bricklaying. | 11-24-2011 |
20120321733 | COEXTRUSION ADAPTER - A device for producing multi-layer composites made of thermoplastic materials, including a coextrusion adapter through which the thermoplastic materials can flow. The adapter has an inlet opening and an outlet opening, in which the thermoplastic materials are combined in layers. The coextrusion adapter has a modular design including a plurality of housings stacked on top of each other in a modular manner, each having a central channel arranged in the housing and at least one coextrusion channel opening into the respective central channel. The central channels of the housings stacked on top of each other continue one another, and the thermoplastic materials can flow through the central channel and the coextrusion channels in the direction of the outlet opening. Each housing further includes a receiving bore that extends through the central channel and into which a coextrusion pin can be inserted, which in turn has a channel bore that continues the central channel and in some regions forms a partial section of the at least one coextrusion channel between the outer surface and the wall of the receiving bore. | 12-20-2012 |
20120321734 | METHOD AND APPARATUS FOR EXTRUSION OF THERMOPLASTIC HANDRAIL - A method and apparatus for extrusion of an article is provided. A die assembly can apply flows of thermoplastic material to an array of reinforcing cables to form a composite extrusion. A slider fabric can be bonded to one side of the composite extrusion. After exiting the die assembly, the slider fabric can act to support the extrudate as it passes along an elongate mandrel, which can cause the base of the slider fabric to change shape from a flat profile to the final internal profile of the article. The extruded article can then be cooled to solidify the material. The die can include cooling for the slider fabric and means for promoting penetration of the thermoplastic into reinforcing cables. | 12-20-2012 |
20140044822 | THREE DIMENSIONAL PRINTER WITH REMOVABLE, REPLACEABLE PRINT NOZZLE - A three dimensional printer with a removable, replaceable extrusion nozzle is disclosed. | 02-13-2014 |
20140186477 | Carpet Reclamation System - A method an apparatus for reclaiming face fibers and polypropylene and/or polyvinyl chloride backing material from rolls and pieces of post-consumer carpet. The system includes a separator for separating the face fibers from the backing and for separating latex and carbon calcium powder from polypropylene backing. An extruder is provided for extruding the face fibers separated from the backing into extrusions, and a pelletizer pelletizes the extrusions. A roller opener opens the polypropylene backing into fibrous portions and also cleans such fibrous portions. Alternately, a granulator can be provided that chops and grinds the polypropylene or PVC backing into fragments after the separation of the face fibers from the backing. A heat source heats the PVC fragments, and also the polypropylene fragments (thereby separating the latex therefrom), and ultimately melts such fragments. Reclaimed fibers can be pelletized, made into extrusions, used in non-woven products and in other manners. | 07-03-2014 |
20140363532 | Multiple color extrusion type three dimensional printer - The present invention provides an apparatus for manufacturing multiple color three-dimensional (3D) objects using an additive extrusion type manufacturing build process where the multiple color three-dimensional (3D) object is built layer by layer using a single extrusion nozzle in contact or close proximity to each build layer of the 3D object being manufactured. | 12-11-2014 |
20160031160 | THREE-DIMENSIONAL PRINTING APPARATUS - A 3-D printing apparatus includes a base and a printing head disposed above the base. The base includes an adjustment platform having an adjustment side and a top surface, a first-adjustment mechanism, second-adjustment mechanisms and a printing bed. The first-adjustment mechanism includes an adjustment shaft, first and second gears and a linkage rod. The first gear disposed under the adjustment platform is engaged with the adjustment shaft to drive it to move along a normal direction of the top surface. The second gear is engaged with the first gear to drive it to rotate. The linkage rod extended to the adjustment side connects the second gear to drive it to rotate. The second-adjustment mechanisms arranged along the adjustment side are adapted to move along the normal direction. The printing bed disposed on the adjustment platform is engaged with the adjustment shaft and the second adjustment mechanisms to move therewith. | 02-04-2016 |
20160144564 | APPARATUS AND METHOD FOR FABRICATING THREE-DIMENSIONAL OBJECTS - An apparatus for making three-dimensional physical objects of predetermined shape by sequentially depositing multiple layers of solidifying material on a base member in a desired pattern, the apparatus comprising: | 05-26-2016 |
425114000 | Means to feed or support plural preforms to or at extrusion means | 5 |
20080220110 | Gypsum Board Forming Device with Improved Slurry Spread - Disclosed is a gypsum board forming device which provides improved slurry spread. The device includes a forming table with an arcuate or angled profile that promotes a uniform slurry spread. An arcuate or angled hinge plate can also be included to further promote the uniform distribution of slurry prior to an extrusion plate. As a result of the improved slurry spread, gypsum board with increased strength and durability can be created | 09-11-2008 |
20100086630 | MULTI-LAYER EXTRUSION HEAD FOR SELF-SEALING CABLE - An extrusion head may be provided. The extrusion head may include an inner flow path, an outer flow path, and at least one sealant flow path. The inner flow path may be configured to direct a flow of an inner layer around a conductor. The outer flow path may be configured to direct a flow of an outer layer around the inner layer. The at least one sealant flow path may extend to a connecting point with the inner flow path and the outer flow path. The at least one sealant flow path may be configured to direct a sealant to fill at least one sealant channel region between the inner layer and the outer layer. The connection point may be configured to cause the flow of the inner layer and the flow of the outer layer to join before the sealant fills the at least one sealant channel region. | 04-08-2010 |
20100303943 | Linear bearing assembly to guide movement of roll stand on apparatus for forming an extruded sheet product - An apparatus for forming an extruded sheet product having an extruder assembly with a sheet die through which flowable material is delivered for sheet product formation and a roll stand assembly with a main frame and a roll stack sub-assembly on the main frame that cause flowable material from the sheet die to be formed into a sheet product. The apparatus further has a sub-frame assembly and a linear slide bearing assembly with at least one rail defining a travel path for the main frame and through which the main frame is guided in movement relative to the sub-frame assembly, thereby to selectively vary relative positions of the sheet die and roll stand assembly along the travel path. | 12-02-2010 |
20100316754 | Die Tooling for Extruding Tubular Product - Die tooling is formed by forming a series of passages extending in the length of the tooling where each passage has a circumference defined within a body member of the tooling. Preferably the passages are primarily formed using a drilling procedure. The passages define a predetermined pattern of outlets adjacent the extrusion outlet or outlets. The passages between the inlets and outlets can be formed in a series of connected body members with each passage extending through each body member. Die tooling of this design is more robust and cost effective to manufacture. | 12-16-2010 |
20110097431 | PLANT AND APPARATUS FOR FORMING CROWN CAPS - A plant includes a press for forming crown caps from a metal sheet, and a single forming apparatus for forming seals inside corresponding crown caps being connected to the press by a connecting device that is suitable for conveying the crown caps from the press to the single forming apparatus. | 04-28-2011 |