| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 264177100 | To produce particular cross section (e.g., noncircular, etc.) | 68 |
| 20090057944 | Micro-Extrusion Printhead Nozzle With Tapered Cross-Section - A micro-extrusion printhead assembly utilized in a micro-extrusion system to form parallel extruded gridlines of material on a substrate includes a nozzle having a tapered (e.g., triangular or trapezoidal) cross-section arranged such that a lower surface of each gridline is substantially wider than its upper edge, and such that side surfaces of the extruded gridlines reflect incident light beams into exposed surface areas of the substrate, thereby minimizing the effective shadowed surface area under the gridline. In one embodiment, the fluidic channels of each nozzle are fabricated by cutting or etching progressively wider channels into a series of rigid layers, and then stacking the rigid layers to form a layered nozzle structure. In another embodiment, a single layer is processed to include a tapered cross-section having the desired triangular or trapezoidal cross-section. | 03-05-2009 |
| 20090243142 | COEXTRUDED POLYMER MOLDING HAVING SELECTIVELY NOTCHED CARRIER - A coextruded polymer molding product includes a notched structural carrier and a polymer seal material over the structural carrier. The structural carrier has notches along its length A first plurality of specific regions of the structural carrier have notches. A second plurality of specific regions of the structural carrier are relieved from having notches. The notched regions and relieved regions are arranged with respect to each other such that consecutive notched regions are spaced apart at non-uniform intervals to provide desired bending characteristics for conforming to a specific molding application. | 10-01-2009 |
| 20110049750 | Pultrusion Process for Production of a Continuous Profile - The invention relates to a pultrusion process in which a continuous reinforcement profile is formed by canting of at least one prepreg strip composed of a fiber-reinforced plastics material. The first shaping of the profile takes place in a preform device, which is downstream of a pressure-molding device for final shaping and prehardening. The movement of the profile takes place synchronously with respect to the operating cycle of the pressure-molding device by means of a traction device. By using a cutting device, it is possible to cut the profile to length and/or to subject edges to subsequent mechanical operations to ensure that correct dimensions are maintained. A continuous (pultrusion) gusset is inserted between the prepreg strips in a radius region of the profile. The gusset has an approximately triangular cross sectional geometry and it is formed by a plurality of continuous fibers braided with one another. | 03-03-2011 |
| 20110175253 | STRAND GUIDE ASSEMBLY AND METHOD OF CONTROLLING A FLOW OF MOLTEN THERMOPLASTIC - A strand guide assembly, a guiding system, and a method of controlling a flow of molten thermoplastic to form first and second strands moving from an extruder to a finishing apparatus is disclosed. The method comprises the steps of extruding molten thermoplastic to form the strands, routing the strands from the extruder to the finishing apparatus, and cooling the strands. The method comprises the steps of guiding the first strand across one shaped step when guide segments are in a single-step configuration or guiding the first strand across an abutting pair of shaped steps when guide segments are in a dual-step configuration to separate the first and second strands and guiding the second strand across another one of the shaped steps when in the single-step configuration or guiding the second strand across another abutting pair of shaped steps when in the dual-step configuration to separate the first and second strands. | 07-21-2011 |
| 20120267821 | Extrusion Kit and Extruder - This invention provides methods and devices for manufacturing moldable materials including various types of natural and synthetic clays, edible materials such as cookie dough, and modeling compound by forming a moldable billet through various techniques, and reducing the cross section of said moldable billet such that features in the moldable billet appear in a similar arrangement in the resulting extruded product. | 10-25-2012 |
| 20130009336 | EXTRUSION DIE ELEMENT, EXTRUSION DIE AND METHOD FOR MAKING MULTIPLE STRIPE EXTRUDATE - Extrusion die ( | 01-10-2013 |
| 20130154151 | Method for Forming a Thermoplastic Composition that Contains a Renewable Biopolymer - A method for forming a thermoplastic composition that contains a combination of a renewable biopolymer with a polyolefin is provided. The biopolymer and polyolefin are supplied to the extruder at a feed section. The plasticizer is directly injected into the extruder in the form of a liquid so that it forms a thermoplastic biopolymer in situ within the extruder and then a homogeneous blend. The in situ addition of the plasticizer is facilitated by the use of a compatibilizer that has a polar component with an affinity for the biopolymer and a non-polar component with an affinity for the polyolefin. | 06-20-2013 |
| 20140035190 | DIVIDED CONDUIT EXTRUSION DIE AND METHOD FOR ONE OR MORE MATERIAL LAYERS - An apparatus and method are provided for making a conduit divided into channels by one or more strip-shaped substrates. The channels may be used for cables, such as fiber optic cables, coaxial cables, electrical cables, electrical wiring, and the like. Each divided conduit provides channels that allow e.g., cables to be pulled through without snagging or excessive heat build-up due to friction. In addition, the divided conduits do not allow contact or alternation losses between adjacent cables in other channels of the conduit. | 02-06-2014 |
| 20140252673 | METHOD FOR MOLDING ANNULAR MEMBER AND APPARATUS FOR MOLDING ANNULAR MEMBER - The object of the present invention is to provide a method and an apparatus for molding an annular member capable of accurately molding an annular member into a predetermined cross-sectional shape even if the annular member has a thick-walled inner peripheral part and a thin-walled outer peripheral part. The method for molding a bead filler ( | 09-11-2014 |
| 20160250792 | DEVICE AND METHOD FOR THE ADJUSTMENT OF THE THICKNESS PROFILE IN THE PRODUCTION OF BLOWN FILMS | 09-01-2016 |
| 264177110 | Nonresinous material only (e.g., ceramic, soap, cellulose, glue, etc.) | 4 |
| 20090140452 | Ceramic Precursor Batch Composition And Method Of Increasing Ceramic Precursor Batch Extrusion Rate - A ceramic precursor batch composition comprising inorganic ceramic-forming ingredients, a hydrophobically modified cellulose ether binder having a molecular weight less than or equal to about 300,000 g/mole and an aqueous solvent is provided. The ceramic precursor batch composition has a ratio of binder to aqueous solvent of less than about 0.32. The ceramic precursor batch composition may be used to increase the rate of extrusion of the composition. A method for increasing a rate of extrusion of a ceramic precursor batch composition is also disclosed. | 06-04-2009 |
| 20090256277 | Apparatus for extruding cellulose fibers - An apparatus is disclosed for extruding cellulose fibers. The apparatus includes a first member, a second member and a third member all secured together. Multiple nozzles extend outward from the first member and each is designed to direct an aqueous cellulose solution therethrough. As the aqueous solution is extruded, it is accentuated and accelerated by pressurized gas flowing through the first member and the second member and out through first openings formed in the third member. The pressurized gas at least partially surrounds each nozzle and shelters the molten filaments extruded therefrom. The third member also has multiple second openings formed therethrough which are also connected to a source of pressurized gas. The pressurized gas streams exiting each of the second openings function to keep each of the molten filaments from contacting an adjacent molten filament. | 10-15-2009 |
| 20100127419 | CERAMIC HONEYCOMB EXTRUSION METHOD AND APPARATUS - Honeycomb shapes are extruded from plasticized ceramic powder mixtures by methods that include reducing the core temperature of the charge of the plasticized mixture during transit through the extruder, such methods being carried out utilizing apparatus comprising twin-screw extruders incorporating actively cooled screw elements, whereby temperature-conditioned charges of plasticized material that exhibit reduced core-to-periphery temperature differentials are delivered for extrusion. | 05-27-2010 |
| 20140306370 | MIXING SEGMENTS FOR AN EXTRUSION APPARATUS AND METHODS OF MANUFACTURING A HONEYCOMB STRUCTURE - A mixing segment for an extrusion apparatus comprises a shaft and a plurality of plow elements aligned along a helical path extending about a rotation axis of the shaft. Each plow element includes an outer peripheral arcuate ramp extending radially outwardly along the helical path from a root to an outer tip of the plow element. Methods of manufacturing a mixing segment and methods of manufacturing a honeycomb structure with an extrusion apparatus are also provided. | 10-16-2014 |
| 264177120 | Honeycomb | 16 |
| 20090072431 | METHOD FOR PRODUCING CERAMIC HONEYCOMB FILTER - A method for producing a ceramic honeycomb filter by immersing an end surface of a ceramic honeycomb structure having a lot of flow paths partitioned by cell walls in a plugging material slurry in a container to introduce the plugging material slurry into the predetermined flow paths to form plugs, and taking the ceramic honeycomb structure provided with the plugs out of the container horizontally. | 03-19-2009 |
| 20090140453 | Methods and apparatus for plugging honeycomb structures - A plugging apparatus for plugging channels in a honeycomb structure used to form a particulate filter. The apparatus includes an extrusion apparatus that holds plugging material and that has an opening through which the plugging material is extruded. An extrusion plate having first through holes that correspond in location to a subset of honeycomb channels is arranged adjacent the opening. An annular flow plate is operatively arranged face-to-face with the extrusion plate. The annular flow plate has second through holes corresponding in location to the first through holes but that are smaller to compensate for a radial variation in the extrusion rate when plugging the channels in the honeycomb structure. The plugging apparatus is thus able to fill select channel ends with same-size plugs, which leads to a better-performing filter. | 06-04-2009 |
| 20090295018 | OIL-REMOVING JIG AND METHOD FOR MANUFACTURING FORMED BODY USING THE SAME - There is provided an oil-removing jig for removing oil applied on an outer peripheral face of kneaded clay extruded from a kneader to have a cylindrical shape for the purpose of inhibiting drying prior to feeding the kneaded clay into an extrusion-forming apparatus. The jig includes a tabular rubber plate having a through-hole having a diameter 5 to 30 mm smaller than that of the kneaded clay, and two support plate each having a through-hole having a diameter 25 to 95 larger than that of the kneaded clay and 40 to 100 mm larger than that of the through-hole of the aforementioned rubber plate; and the rubber plate is held between the two support plates and fixed in a state that centers of the through-holes coincide with one another. | 12-03-2009 |
| 20100025884 | METHOD FOR PRODUCING CERAMIC HONEYCOMB STRUCTURE - A method for producing a ceramic honeycomb structure comprising the steps of mixing and blending starting materials comprising ceramic materials, a molding aid and a pore-forming material to obtain a moldable material, adjusting the properties of the moldable material, and extruding the moldable material in a honeycomb shape, the type C durometer hardness (according to JIS K 7312) of the moldable material being adjusted to 16-23 in the step of adjusting the properties of the moldable material. | 02-04-2010 |
| 20100044910 | METHOD FOR PRODUCING CERAMIC-HONEYCOMB-STRUCTURE-MOLDING DIE AND METHOD FOR PRODUCING CERAMIC HONEYCOMB STRUCTURE - A method for producing a die for molding a ceramic honeycomb structure, which has molding grooves arranged in a lattice pattern and apertures communicating with the molding grooves for supplying a moldable material, wherein the formation of the lattice-patterned grooves by machining is conducted by a first machining operation for forming pluralities of first parallel grooves, and a second machining operation for forming second grooves crossing the first grooves; wherein the first and second machining operations are conducted by at least 2 passes of grinding or cutting using a rotating tool; and wherein the second machining operation is conducted by up-cutting in the second pass or later, and a method for producing a ceramic honeycomb structure using such a die. | 02-25-2010 |
| 20100052205 | Method of forming ceramic honeycomb substrates - Methods and apparatus for manufacturing strengthened ceramic honeycomb articles having thickened peripheral web segments by extruding, drying and firing honeycomb shapes formed by the extrusion of plasticized ceramic powder batches through honeycomb extrusion dies having peripheral slots incorporating outer widened slot portions of controlled depths, the controlled depths being selected to increase ceramic powder batch flow through the peripheral slots to a degree sufficient to form the thickened web segments but insufficient to cause geometric distortion of the thickened web segments. | 03-04-2010 |
| 20100219556 | Support Tray For Extruded Ceramic Ware And Method - Honeycomb extrudate is made by extruding a plasticized ceramic-forming batch material to form a length of wet honeycomb extrudate, transferring the extrudate to a support tray, and transferring the tray and extrudate to a dryer, the tray being capable of contactingly supporting greater than one-third of the circumferential surface of the wet extrudate. The extrudate is subject to reduced handling damage, e.g. from forces of gravitational and/or lateral acceleration arising during transfer. | 09-02-2010 |
| 20100244308 | EXTRUSION-FORMING DEVICE AND METHOD FOR MANUFACTURING FORMED ARTICLE BY USE OF THIS DEVICE - An extrusion-forming device | 09-30-2010 |
| 20100244309 | DIE FOR FORMING HONEYCOMB STRUCTURE AND MANUFACTURING METHOD OF THE SAME - A die for forming a honeycomb structure, comprising a platy die base member having a clay supply face on back surface thereof and including a plurality of introduction holes for introducing a mixed raw material for forming; and a clay forming face on upper surface including a plurality of slits for extrusion of the material being connected to the introduction holes and formed lattice-like partition regions; at least a part of lattice-like partition regions being provided in such a position that the extended line of at least part of a plurality of lattice-like regions overlap with the slits at edges thereof as top view, slits including inner peripheral slits formed in the inner peripheral region, and outer peripheral slits formed in the outer peripheral region surrounding the inner peripheral region and having a width-enlarged portion having a width larger than that of the inner peripheral slit, and production method thereof. | 09-30-2010 |
| 20100301515 | Honeycomb Extrusion Die Apparatus And Methods - A die apparatus and methods of making a die body can provide a skin slot extending through a honeycomb network and an end portion of a plurality of pins, wherein the skin slot includes opposed sides that are each in fluid communication with the honeycomb network. In further embodiments, methods are provided for co-extruding a honeycomb body and an integral skin with a die body including a skin slot. | 12-02-2010 |
| 20110204544 | Apparatus And Method For Forming Skin On A Ceramic Body By Extrusion - A honeycomb extrusion apparatus comprises a die body and a flow control device. The die body comprises an inlet end, an outlet end, a central axis, a first set of feedholes, a second set of feedholes, a set of central slots, and a set of outermost peripheral slots. The first set of feedholes extends from the inlet end to an interior interface portion of the die body. The second set of feedholes extends through the die body from the inlet end to the outlet end. The set of central slots extends from the outlet end to the interior interface portion of the die body. The set of outermost peripheral slots is disposed radially outwardly of the central slots. The interior interface portion of the die body is configured to allow flow of the batch material from the first set of feedholes to the central slots and to the outermost peripheral slots. | 08-25-2011 |
| 20110291319 | Methods of Extruding a Honeycomb Body - Methods of extruding a honeycomb body with an extruder comprise the step of feeding batch material to the extruder, wherein the batch material comprises a ceramic or ceramic-forming material. The methods further include the step of rotating at least one mixing screw to cause the batch material to travel along a flow path defined by a barrel of the extruder. The methods further include the step of indexing a carriage to remove a first device from the flow path and introduce a second device into the flow path of the batch material. In one example, the pressure of the batch material changes less than about 25% as a result of indexing the carriage. In addition or alternatively, further methods include the step of reducing a decrease in temperature of the batch material resulting from the step of indexing. In further examples, the method includes the step of pre-filling a second honeycomb extrusion die held by the carriage with a plugging material. | 12-01-2011 |
| 20130099412 | EXTRUSION-MOLDING DEVICE AND METHOD FOR PRODUCING MOLDED BODY USING SAME - The extrusion-molding device of the invention includes a flow passage for transporting a paste raw material composition; a screw provided at an upstream side of the flow passage to knead the raw material composition and transport it to a downstream side; a die provided at a downstream side of the flow passage to extrude a molded body composed of the raw material composition therefrom; a resistive tube for connecting the flow passage and the die; and a current plate provided between the screw and the die. The current plate comprises a plurality of through-holes that penetrate from a upstream end side to a downstream end side, and an opening of the through-hole on the upstream end side has a larger open area than an opening on the downstream end side. | 04-25-2013 |
| 20130300023 | Honeycomb Extrusion Apparatus and Methods - A honeycomb extrusion apparatus includes first and second vanes with respective first and second face portions. First and second axial widths of a circumferential feed area are respectively defined between the first and second face portions and the outer feed surface of the die body. In further examples, methods include the steps of selectively adjusting the first axial width and the second axial width of the circumferential feed area by respectively adjusting the first and second vane relative to the mask. In further examples, a honeycomb extrusion apparatus includes a plurality of mask segments that each includes an inner peripheral surface portion. Each of the plurality of mask segments are independently adjustable along a respective radial axis. | 11-14-2013 |
| 20140333000 | CERAMIC HONEYCOMB FILTER AND ITS PRODUCTION METHOD - A ceramic honeycomb filter including a ceramic honeycomb structure having large numbers of flow paths partitioned by porous cell walls, and plugs disposed in the flow paths alternately on the exhaust gas inlet or outlet side, to remove particulate matter from an exhaust gas passing through the porous cell walls; the porous cell walls having porosity of 45-75%, the median pore diameter A (μm) of the cell walls measured by mercury porosimetry, and the median pore diameter B (μm) of the cell walls measured by a bubble point method meeting the formula of 35<(A−B)/B×100≦70, and the maximum pore diameter of the cell walls measured by a bubble point method being 100 μm or less. | 11-13-2014 |
| 20150108680 | DEVICE AND METHOD OF CORRECTING EXTRUDATE BOW - Disclosed apparatus and method to extrude a honeycomb, providing correction in bowing of the extruded honeycomb structure, employs a deflector device having a base plate including an opening aligned in a direction parallel to the extrusion axis through which the plastic material is conveyed to the die. The deflector device includes a bow plate movably mounted to the downstream or upstream side of the base plate. The bow plate includes a constant area aperture. The deflector device positioned upstream of extrusion die imparts a degree of bow reduction by the position of the constant area aperture over the opening imparting a pressure drop gradient on the flow stream entering the die. | 04-23-2015 |
| 264177130 | Filament (e.g., T-configured, dog-bone, trilobal, etc.) | 6 |
| 20090065970 | Novel fibers, high airtightness fabrics and a fabrication method thereof - The present invention provides a new tetragon fiber and a method for fabricating the same. The present invention includes: heating a thermoplastic material, extruding it from a tetragon-shaped nozzle, passing it through an airless zone, then cooling and solidifying to form threadlike substances, rolling up then processing the threadlike substances to form fibers with tetragon cross sections. The fabrics of present invention comprises a property of fine air-tightness. | 03-12-2009 |
| 20100084783 | NON-ROUND SPINNERET PLATE HOLE - The present invention concerns a spinneret plate for manufacturing a nonwoven fabric, having multiple non-round holes, which are similar to trilobal or multiarmed holes in particular, for polymer flow outlet to produce filaments, in which identical holes are positioned in rows offset relative to one another. At least a first row has a positional arrangement of the holes that differs from the positional arrangement of a second row of rows through rotation of the holes. | 04-08-2010 |
| 20100225021 | Method of Manufacturing Noise Attenuating Flexible Cutting Line For Use In Rotary Vegetation Trimmers - A process for forming flexible noise attenuating cutting line for use in rotary vegetation trimmers formed of at least two monofilament polymer strands bonded together in a twisted disposition or a single strand twisted about its central axis in which the strand or strands are extruded in a molten disposition through a single die that is rotated during the extruding step either to twist the two strands together about a central longitudinal axis or a single strand about its own longitudinal axis such that upon cooling, stretching and heating, a flexible noise attenuating line is created in a continuous online process. | 09-09-2010 |
| 20120319322 | PARTICLE EXTRUSION - A die is provided for extruding elongate particles suitable for use in catalysis. The die comprises a plurality of channels extending from an inlet to an outlet. From the inlet to the outlet each channel comprises a first section with a helical bore with a non-circular cross-section, and a second section with a cylindrical bore. The cylindrical bore of the second section which has a diameter equal or greater than that of the first section. The second section is at least twice as long as a diameter of the first section. | 12-20-2012 |
| 20220135715 | Polypropylene Resin, Polypropylene Fiber And Method For Preparing The Same - The present disclosure relates to a polypropylene resin exhibiting excellent processability and capable of producing fine fibers, a polypropylene fiber including the same, and a method for preparing the same. | 05-05-2022 |
| 264177140 | Hollow or tubular work produced | 1 |
| 20110101561 | METHOD FOR FORMING RESIN MOLDED ARTICLES - A method for forming a resin molded article includes a step of extruding a thermoplastic resin intermittently at a predetermined speed from an extrusion slit, such that the resin droops downward in a shape of a sheet. The method further includes the steps of: feeding the extruded sheet-shaped resin downward by a pair of rollers; and forming the sheet-shaped resin with a mold. In the step of feeding the sheet-shaped resin, one of the rollers is pressed against the other, but not to the extent of crushing the sheet-shaped resin, regardless of the thickness of the sheet-shaped resin. In addition, a surface temperature of each of the rollers is set lower than a temperature of the sheet-shaped resin and within a predetermined temperature range. This method can prevent sliding contact between the rollers and the sheet, while preventing the sheet from being wound around the rollers. | 05-05-2011 |
| 264177160 | Die configuration (other than fixed orifice shape) | 8 |
| 20090051074 | Lubricated bridge - An apparatus and method provide for the extrusion of green brick material around a hole-generating member and the use of a lubrication fluid between the hole-generating member and the green brick material to reduce friction therebetween during extrusion, thus enabling the formation of larger sized holes in the bricks formed thereby. | 02-26-2009 |
| 20090152759 | SHAPING DIE AND ITS USE IN A SOLID STATE DRAWING PROCESS - A solid state drawing die having a body with opposing entrance and exit ends, a shaping channel providing fluid communication entirely through the body from the entrance to exit end and having a converging profile, and at least one portion of the body that serves as a static protrusion extending into the but not all the way across the shaping channel is useful in a solid state drawing process for preparing oriented polymer compositions having indented or grooved profiles. | 06-18-2009 |
| 20090206510 | Method and Apparatus for Film Extrusion - A method and apparatus for extrusion of flat or tubular films from thermoplastic material is described. Improvements concern equalisation of the lateral distribution of the flow velocity achieved in combination with elimination in part or in full of die-lines formed at interfaces where part flows join each other. The improvement involves the provision of edges of the ends of die-walls which separate the part-flows from one another being slanted to form a lateral displacement over the length of said edge, or are provided with screw shaped vanes. | 08-20-2009 |
| 20100289173 | METHOD AND ASSEMBLY FOR EXTRUDING A RUBBER COMPOUND - The invention relates to the extrusion of tire components with a large change of gauge across their cross-sectional area. It is provided a method and an assembly for extruding such a tire component with an extruder feeding a flow channel with a downstream die opening, whereby a deflector is provided in the flow channel upstream the die opening such that a flow of rubber is slowed down in front of broad portions of the cross-sectional area of the downstream die, avoiding distortion or bending of the extruded tire component. | 11-18-2010 |
| 20110304070 | Spiral distributor, die head, blown film line, method for manufacturing a blown film and a blown film - Spiral distributors for plastic melt are often used for manufacturing foils in blown film extrusion lines. They overlie several partial flows of melt on their way to the ring-shaped outlet nozzle. The spiral distributors are designed either as cylindrical or truncated cone-shaped axial spiral distributors or as plate-shaped radial spiral distributors. In an axial spiral distributor several spiral channels are disposed as a multiple screw. In the case of a radial spiral distributor, several spiral channels are disposed as multiple spirals. | 12-15-2011 |
| 20120235319 | LAYER MULTIPLYING DIE FOR GENERATING INTERFACIAL SURFACES - A method for generating interfacial surfaces within a first composite stream having a generally planar layer interface lies generally in an x-z plane of an x-y-z coordinate system. The method includes dividing the first composite stream into a plurality of branch streams along the x-axis such that the pair of discrete overlapping layers and the generally planar layer interface are distributed among at least two branch streams. Within each individual branch stream of the at least two branch streams, the width dimension of the branch stream is expanded along the x-axis and the thickness dimension of the branch stream is simultaneously contracted along the y-axis. The branch streams are recombined in an overlapping relationship, after each of the at least two branch streams is simultaneously expanded and contracted, to form a second composite stream having a greater number of discrete overlapping layers of polymeric material than the first composite stream. | 09-20-2012 |
| 20150021811 | ANNULAR DIE AND METHOD FOR EXTRUSION - The invention relates to an annular die ( | 01-22-2015 |
| 20150298378 | System and Method For Extruding Parts Having Microstructures - A manufacturing apparatus for manufacturing extruded parts having microstructures comprising: a support structure; a hopper carried by the support structure for receiving feedstock; an extrusion chamber operatively associated with the hopper for receiving the feedstock from the hopper and melting the feedstock above a feedstock melting temperature; a die carried by the support structure having die microstructures disposed on an inner surface of the die, the die microstructures having a plurality of microfeatures each having an upper surface and a lower surface, the melted feedstock being forced through the die to produce an extrudate having extrudate microstructures; and, a cooling assembly wherein the extrudate microstructures of the pre-cooled extrudate have larger physical dimensions than that of the extrudate microstructures of the cooled extrudate. | 10-22-2015 |
| 264177170 | Processing or treatment after extrusion (e.g., support, guide, etc.) | 21 |
| 20080217808 | Curved extrusions and method of forming the same - A curved extrusion includes a body that has indefinite length and a cross-section, and that is formed to contour and at least one channel cut into the cross-section that is filled with deposited material such that said cross-section of said body is restored. By cutting the channels into the cross-section of the extrusion, the extrusion may be easily formed onto a contoured tool to be curved with lower forming and residual stresses and distortion. By filling the channels with deposited material, the original cross-section and strength of the extrusion can be restored. By adding a transverse stiffener, the strength of the original extrusion may not only be restored but also further improved. By depositing material to create structural features the cross-section of the extrusion may be locally changed. The method for forming curved extrusions of the present invention may be used, for example, to produce T-chords of an aircraft. | 09-11-2008 |
| 20090146338 | PROCESS FOR PREPARING POLYMER FIBERS - A process is provided for producing staple fibers that may be used in the formation of carpets from poly(trimethylene terephthalate). Poly(trimethylene terephthalate) may be melt spun to form filaments. The melt spun filaments may then be cooled with a liquid having a temperature of at most 20° C. The cooled filaments may then be drawn, and the drawn filaments may be cut into staple fibers. The resulting staple fibers have highly uniform physical characteristics such as denier, tenacity, and elongation at break that render the fibers particularly useful for forming carpets. | 06-11-2009 |
| 20100032861 | Exterior Building Material Having a Hollow Thin Wall Profile and an Embossed Low Gloss Surface - A building product which includes a hollow extrudate, unitary reinforcing ribs resisting collapse of the hollow extrudate and, in an embodiment, an exterior surface comprises a low gloss, textured pattern having a gloss level of less than about 50 on a 60° glossmeter, in which the textured pattern extends for about 2-20 feet. Methods and an apparatus for manufacturing such products are also provided by this invention. | 02-11-2010 |
| 20110221092 | Grooved, Corner-Ready Wall Base - A resilient wall base member manufactured with pre-scored grooves to allow relatively short, straight lengths to be used for both flat walls and wall corner junctures without on site scoring operations or equipment. The lengths can either be pre-cut during manufacturing to convenient lengths or can be cut after manufacturing from coils. | 09-15-2011 |
| 20110254194 | METHOD AND ASSEMBLY FOR EXTRUDING A RUBBER COMPOUND - The invention relates to the extrusion of tire components with a large change of gauge across their cross-sectional area. It is provided a method and an assembly for extruding such a tire component with an extruder feeding a flow channel with a downstream die opening, whereby a deflector is provided in the flow channel upstream the die opening such that a flow of rubber is slowed down in front of broad portions of the cross-sectional area of the downstream die, avoiding distortion or bending of the extruded tire component. | 10-20-2011 |
| 20110260355 | POLYLACTIC ACID SHRINK FILMS AND METHODS OF CASTING SAME - A heat-shrinkable polylactic acid (PLA) film and a method of its manufacture are provided. In an exemplary embodiment, the PLA films exhibit heat-induced shrinkage in the transverse direction with little to no concomitant shrinkage in the machine direction. The films may comprise any grade of PLA polymer, optionally including additives, such as antiblock, slip, plasticizers, viscosity enhancers and combinations thereof. A method of cast and tenner manufacture is disclosed, which includes a temperature conditioning step. | 10-27-2011 |
| 20120126446 | METHOD AND PLANT FOR PRODUCING A CONCRETE BODY - The invention relates to a method for producing a concrete body having a planar upper side, wherein a high surface quality is obtained. In the method, a concrete body is extruded from unset concrete and is provided with a groove profile at the upper side thereof by means of a profiling unit. By means of the profiling unit and depending on the comb-shaped profile thereof, the sand particles are separated according to size, wherein large sand particles are displaced from the surface area of the concrete body toward the inside, this being toward the interior of the concrete body. Only fine sand particles can pass the profile, whereby raised areas of the groove profile are formed, which are made of extremely fine-grained unset concrete. Subsequently, the upper side of the concrete body is leveled by means of a leveling unit, wherein the raised areas of the groove profile are crushed and the fine-grained unset concrete of the raised areas of the groove profile is distributed to form a cover layer. | 05-24-2012 |
| 20130020737 | SCULPTED EXTRUSION DIE - An extrusion device includes a sculpted extrusion die comprising a pair of mating die lips having sculpted surfaces and defining a die exit for an extrudate. The contour of the sculpted surfaces is substantially similar to the contour of a juxtaposed surface configured for receiving the extrudate from the die exit of the sculpted extrusion die. The sculpted extrusion die preferably comprises a die lip adjustment mechanism for adjusting a thickness of the extrudate exiting the die exit and the thickness of the extrudate received on the juxtaposed surface. The air gap between the die exit of the sculpted extrusion die and the juxtaposed surface preferably is substantially eliminated by adjusting the distance between the sculpted surfaces and the juxtaposed surface. A method of adjusting a thickness of a substantially continuous sheet of extrudate formed using an embodiment of the sculpted extrusion die of the invention is provided. | 01-24-2013 |
| 20130037986 | METHOD, SYSTEM AND RESIN SHEET FOR PRODUCING FIBER-REINFORCED MOLDED PARTS IN A MOLDING PRESS - Method, system and resin sheet for producing fiber-reinforced molded parts (SMC) by extrusion in a molding press from a fiber-reinforced resin sheet which is continuously produced in a flat web installation. At least one resin base layer is combined with fibers in a mixing device, is subsequently mixed in a fulling and saturating device, and is finally matured in a thickening device to form a continuous resin sheet, wherein the continuous resin sheet is cut to form cut sheets and is then transferred, either directly or joined in a structure with other cut sheets, by a transfer device to a tool of a molding press in which it is then pressed to form a fiber-reinforced molded part. Reinforcements are applied on at least one resin base layer for forming a reinforcement zone which is delimited in length and/or width relative to at least one resin base layer before joining the resin base layers. | 02-14-2013 |
| 20140124974 | MOLDING APPARATUS AND METHOD FOR OPERATING SAME - A removable mold apparatus that forms a portion of the inner surface contour of an elongated hollow over molded polymeric solar collector distribution manifold and its preferred method of leveraged use that integrates select raw material components and process methods to enhance both manufacturing efficiency and hermetic enjoinment durability, most especially when over molding onto connectively spaced tube absorber constructions. | 05-08-2014 |
| 20140124975 | METHOD FOR MANUFACTURING RESIN FILM FOR THIN FILM-CAPACITOR AND THE FILM THEREFOR - The present invention provides a resin film for a film capacitor making it possible to obtain the excellent heat resistance, materialize a reduction in a size of the film capacitor and an increase in a capacity thereof and satisfy a reduction in a thickness of the film and a high voltage resistance thereof. In a manufacturing method in which an extruding equipment | 05-08-2014 |
| 20150336293 | FILM MANUFACTURING METHOD, FILM MANUFACTURING DEVICE, AND JIG - A film is formed by extruding a resin from a lip opening ( | 11-26-2015 |
| 264177180 | Chemical | 3 |
| 20090273115 | METHOD OF PRODUCING FILM - A method of producing a film, comprising the steps of melt-extruding a resin in the form of film from a T-die, powder-spraying an anti-blocking agent in an area-average spraying amount of 0.5 to 3 g/m | 11-05-2009 |
| 20100123266 | METHOD OF PREVENTING GRAVITY-INDUCED DEFORMATION OF CERAMIC GREEN BODIES - A method of preventing gravity-induced deformation of a ceramic green body. The method comprises providing a ceramic green body and disposing the body in a fluid medium bath having a density that is greater than or equal to that of the ceramic green body. The green body is suspended and floats freely in the fluid medium, and deformation of the green body due to its own weight is prevented. Outer or peripheral portions of the ceramic green body may also be stiffened when the fluid medium bath comprises an aqueous salt solution comes into contact with the green body and causes gelation of a binder within the ceramic green body. | 05-20-2010 |
| 20140306371 | DEVICES AND METHODS FOR PRODUCING PLANAR POLYMERIC MATERIALS USING MICROFLUIDICS - Methods and devices are disclosed for providing the controlled formation of planar homogeneous or heterogeneous materials using microfluidic devices. In one embodiment, a planar array of microfluidic channels is employed to produce a flowing liquid sheet having heterogeneous structure by spatially and temporally controlling dispensing of polymer liquid from selected microchannels. The resulting liquid sheet is solidified to produce a planar heterogeneous material that may be continuously drawn and/or fed from the plurality of microfluidic channels. The polymer liquid may include a payload that may be selectively incorporated into the heterogeneous structure. In some embodiments, the local material composition is controllable, thereby allowing control over local and bulk material properties, such as the permeability and the elasticity, and of creating materials with directionally dependent properties. | 10-16-2014 |
| 264177190 | Temperature specified (other than ambient) | 6 |
| 20090045544 | METHOD FOR MANUFACTURING ULTRA-THIN POLYMERIC FILMS - A method for manufacturing an ultra-thin polymeric film is disclosed. The method includes the steps of melt blending of a polymeric composition or a nanocomposite composition in an extruder. Next, the molten composition is conveyed through a flat die with a small die lip gap. A melt pump may also be used to provide a constant, non-pulsating flow of the melted composition through the die. The melted composition may be passed through a filtration device to remove contaminants that could adversely affect the dielectric performance of the film. Next, the film is stretched by passing the film through take-up rollers at relatively high take-up speeds. Then, the composition is cooled to form a film or sheet. The edges of the film may be trimmed, and the film wound up on a roll using a tension-controlled winding mechanism. A heated roll may be used to temper/anneal the film, thereby eliminating frozen-in internal stresses. | 02-19-2009 |
| 20100109185 | METHOD AND APPARATUS FOR MANUFACTURING UNEVEN THICKNESS RESIN SHEET - A method according to the invention comprises an extruding step of extruding molten resin from a die in a belt shape, a molding/cooling step of cooling and solidifying the extruded resin sheet while molding the same in uneven thickness by nipping the same between a mold roller and a nip roller, and a slow cooling step of slowly cooling the resin sheet peeled off the mold roller, and at least the former part of the slow cooling step has a substep of slowly cooling the resin sheet while holding the resin sheet in the original warp-free uneven thickness shape while so applying an external force to the resin sheet as not to obstruct the carriage of the resin sheet. | 05-06-2010 |
| 20100164135 | METHOD FOR PRODUCING THERMOPLASTIC FILM - There is provided a method for producing a thermoplastic film that has a small distribution of retardation and excels in optical properties. In the method for producing a thermoplastic film by after extruding a molten resin from a die into a sheet, and cooling and solidifying the extruded sheet on a rotating cooling drum, peeling the cellulose acylate film off the cooling drum, and taking off the film with a take-off roller, the tension of the cellulose acylate film at the take-off roller is set to 0.02 kgf/mm | 07-01-2010 |
| 20110057351 | METHODS OF PRODUCING SEALING POLYESTER FILM FOR PHOTOVOLTAIC CELL MODULE - A method of producing sealing film for photovoltaic cell module including a layer composed of at least one substance selected from the group consisting of metals, metal oxides, and inorganic compounds; and a polyester film having a thermal shrinkage ratio within (0±2)% at 150° C. in both length-wise and width-wise directions, and difference between the thermal shrinkage ratios at 150° C. in the length-wise and width-wise directions of 2% or less. | 03-10-2011 |
| 20130161860 | Oriented Film Produced In-Process For Use in the Stretch Film Market - Pre-stretched films may be used to increase the rate at which loads can be wrapped and to minimize the exertion required when using conventional stretch films. However, pre-stretched films must generally be stretched in a separate step and stored for several days in order for cling to fully develop. The present disclosure describes compositions, devices, systems, and methods for producing film that eliminate the stretching and storage steps. In particular, the present disclosure relates to the use of selected resins and an angled die to increase the level of orientation in the film as it is formed, thus eliminating the need to stretch the film in a separate step. The present disclosure also relates to the use of a cling agent which eliminates the storage time traditionally required to develop the film's cling properties. | 06-27-2013 |
| 20160082643 | SWEEPER ROLLER, PLASTIC FILM MANUFACTURING DEVICE THAT USES SAME, AND MANUFACTURING METHOD - A sweeper roller is provided for forming a film, the sweeper roller having helical grooves provided to the surface, wherein the ratio of the surface area of the helical groove portion is 30% or less of the surface area of the sweeper roller, and the width of the helical grooves in the axial direction of the sweeper roller is 25 mm or greater. Provided thereby are: a sweeper roller that does not generate air banks and sweeper marks during high-speed casting and when forming a thick film; a plastic film manufacturing device that uses the sweeper roller; and a manufacturing method. | 03-24-2016 |
| 264177200 | With reinforcement filler, or additive | 3 |
| 20120013037 | Viscoelastic Extrusion Processing Method and Compositions for Biopolymers - A viscoelastic extrusion process (VEEP) for biopolymers such as polylactic acid is provided. The VEEP process removes many processing and performance limitations of PLA as well as creates performance sufficient to produce durable “nonbiodegradable” products as a direct replacement for PVC and other petrochemical profile and sheet extrusion applications. The VEEP process also retains a high degree of crystallinity within the PLA for increasing toughness and to lower its biodegradability. The invention also includes an integral process wherein rheology is highly modified to allow profile extrusion and higher melt strength wherein processing is lower than the melting point of the primary biopolymer and below the browning points of the natural fibers in the biopolymers viscoelastic state. | 01-19-2012 |
| 20130134621 | STABILIZED DRY PREFORM AND METHOD - A method of forming a preform may include providing a layer of tackified fibrous material containing structural fibers and resin. The layer may be passed through a forming die set having a die cross-sectional shape. The thermoplastic resin may be heated. The layer may be formed into the die cross-sectional shape. The thermoplastic resin may be allowed to solidify in a manner such that a preform is formed having the die cross-sectional shape. | 05-30-2013 |
| 20150084230 | METHOD FOR MANUFACTURING ENCAPSULATING MATERIAL SHEET FOR SOLAR BATTERY - A method for manufacturing an encapsulating material sheet for a solar battery of the invention includes a step of producing an additive-containing pellet by soaking an additive A into a pellet including a polyolefin-based resin as a main component, a step of injecting the additive-containing pellet into a cylinder from a supply opening in an extrusion molder, and melting and kneading a resin composition including the polyolefin-based resin and the additive A in the cylinder, and a step of molding by extrusion the resin composition from a die in the extrusion molder into a sheet shape. | 03-26-2015 |
