Abstract: An additive manufacturing system is disclosed for use in fabricating a structure. The additive manufacturing system may include a support, and a print head operatively connected to and moveable by the support. The print head may include a housing, a supply module operatively mounted to the housing and configured to hold a supply of continuous reinforcement, an impregnation module operatively mounted to the housing and configured to wet the continuous reinforcement with a matrix, and a clamping module operatively mounted to the housing downstream of the supply module relative to movement of a reinforcement through the print head. The clamping module may be configured to selectively clamp the continuous reinforcement. The additive manufacturing system may also include a controller in communication with the support and the print head and configured to coordinate operations of the support and the print head to fabricate a three-dimensional structure.

Abstract: A lamella block is provided for a calibrating device for calibrating an extruded profile. The lamella block includes a lamella structure, which has a plurality of lamellae that are spaced apart from each other by grooves and arranged in the longitudinal direction of the lamella block. The lamella structure has two lamella sets, wherein the lamellae of the first lamella set are arranged offset in relation to the lamellae of the second lamella set in the longitudinal direction of the lamella block. Further provided is a method for manufacturing the lamella block mentioned above as well as a calibrating device, which includes a plurality of the lamella blocks mentioned above. Also provided is a system for additively manufacturing the lamella block mentioned above, a corresponding computer program and a corresponding dataset.

Abstract: To improve the range of application of manufacturing methods for fiber-reinforced polymer or metal hybrid composite components, and preferably to enable the introduction of fiber bundles into a larger number of geometries, such as branches, merging points and intersections, a production method for producing a component including a composite material with a fiber reinforcement which is formed from fiber bundles and resin is disclosed. A component body with tube-like cavities is initially provided. Curable resin is introduced into the cavities. A pulling apparatus for the fiber bundles is also inserted into at least one of the cavities. The pulling apparatus includes at least one pulling member suitable for pulling the fiber bundles and transmitting compressive force. As a result of pulling of the pulling member, the fiber bundles are pulled into the cavities.

Abstract: A lamella block is provided for a calibrating device for calibrating an extruded profile, wherein the lamella block includes a carrier structure and a lamella structure, and wherein the lamella structure has a plurality of lamellae, which are spaced apart from each other by grooves and arranged in a longitudinal direction (L) of the carrier structure. Neighboring lamellae of the lamella block are arranged laterally offset to each other in the longitudinal direction (L). Also provided is a method for manufacturing the lamella block mentioned above, as well as a calibrating device, which includes a plurality of the lamella blocks mentioned above. Further provided is a system for additively manufacturing the lamella block mentioned above, a corresponding computer program and a corresponding dataset.

Abstract: A lamella block is provided for a calibrating device for calibrating an extruded profile, wherein the lamella block includes a lamella structure, which has a plurality of lamellae that are spaced apart from each other by grooves and arranged in the longitudinal direction of the lamella block. The lamella structure has a variably designed division in the longitudinal direction of the lamella block. Further provided is a method for manufacturing the aforementioned lamella block, as well as a calibrating device, which includes a plurality of the lamella blocks mentioned above. Also provided is a system for additively fabricating the lamella blocks mentioned above, a corresponding computer program and a corresponding dataset.

Abstract: A fin block is provided for a calibrating device for the calibrating of an extruded plastic profile, wherein the fin block includes a back structure and a fin structure having a plurality of fins. The fins are spaced apart from one another and arranged on the back structure in longitudinal direction (L) of the back structure. The back structure of the fin block has a plurality of apertures, the shape and/or arrangement of which within the back structure depends on a predetermined mechanical load capacity for the back structure. Furthermore, a method for the production of the above-mentioned fin block and a calibrating device, which includes a plurality of the above-mentioned fin blocks, is provided. Furthermore, a system for the additive manufacture of the above-mentioned fin block, a corresponding computer program and a corresponding data set is provided.

Abstract: A material includes a sheet of metal having a first face and an opposed second face, and a metal grain direction. The first face is textured with a first set of texturing features. Each texturing feature of the first set includes, respectively, a groove cut into the first face and extending along a groove axis, and a barb extending from the groove and away from the first face. The texturing features of the first set are arranged in a plurality of rows, and the groove axes of the texturing features in a given row extend generally parallel to the given row. The rows are generally non-perpendicular to the grain direction.

Abstract: Technologies pertaining to a rotary electrical contact device are described herein. A rotary electrical contact device comprises a first sheave that is disposed about a first axis and a second sheave that rotates about the first axis or a second axis that is parallel to the first axis. The device further includes two planetary sheaves that revolve around the first and second sheaves, and a belt that makes contact with each of the sheaves, the belt having an aspect ratio great than 1:1. As the first sheave rotates, the planetary sheaves revolve about the first and second sheaves and cause the belt to deform and roll along the second sheave. The belt makes rolling contact with the four sheaves. The belt comprises electrically conductive components arranged such that as the belt rolls along the sheaves, the belt maintains electrical contact between the first sheave and the second sheave.

Abstract: The present invention discloses a wiping-type sample sampling and feeding device, a card reading apparatus, and a gate machine apparatus. The wiping-type sample sampling and feeding device comprises a thermally desorbing portion for analyzing a substance; a wiping-type sampling portion for wiping the substance on a card or certificate and includes a first wheel, a second wheel and a wiping conveyor belt that travels between the first and second wheels along a first direction; and a card/certificate conveyor portion including a card carrying belt configured to convey a card or certificate along a second direction so that the card or certificate can contact with the wiping conveyor belt during conveyance of the card or certificate, thereby the wiping conveyor belt wipes a surface of the card or certificate, wherein the second direction is substantially perpendicular to the first direction.

Abstract: Embodiments are directed to a temperature calibration system that includes a closed fluidic system, such as a thermosiphon or a heat pipe. The closed fluidic system includes a valve for fluidly separating components therein from each other. In one embodiment, the closed fluidic system is a thermosiphon (or a heat pipe) and the valve is configured, in a closed state, to cover a port of the condenser to fluidly separate the condenser from other components of the thermosiphon. The valve may be a passively activated valve or an electrically actuated valve. In some embodiments, the valve is thermally actuated such that the valve changes state in response to changes in temperature.

Abstract: Generally disclosed is an adhesively secured seal and related methods for sealing a hopper car hatch without the risk of contaminating the hopper car load with food-grade adhesive and without damaging the hopper car or requiring excessive cleaning when removed. The disclosed seal comprises a piece or sheet of plastic with self-contained food-grade adhesive. Preferably, the plastic is cut to fit the length of the hatch of a rail car and features food-grade adhesive along on its surface its edges. In another embodiment, the apparatus is rolled, like tape, wherein the apparatus is installed over a hatch opening so that the sides of the apparatus containing food-grade adhesive are contacted with the rim and sides of the hatch.

Abstract: A process is provided for making bulk textured material sheeting. As a continuous supply of flat material sheeting is fed, the sheeting is repeatedly impacted with toothed knives, each knife creating a row of raised and generally pointed structures on the sheeting to texture the sheeting.

Abstract: An apparatus for producing a green body of ceramic-forming material can comprise a support device including at least one air bearing including a support surface with a plurality of apertures. In one example, the support surface is configured to circumscribe greater than 180° of a support area for the green body. In another example, the plurality of apertures include at least a quantity of apertures oriented with a fluid emitting axis extending at an oblique angle with respect to an extrusion axis. In still another example, the air bearing is adjustable. Methods for producing a green body also provide an air cushion between a support surface and the green body.

Abstract: A thin film sheet manufacturing apparatus includes: an extruder; a cooling water tank; a dehydration tank; a dehydrator; and a winder for winding the thin film sheet passing the dehydrator, wherein the dehydrator includes: a support frame extending back and forth; a transferring roller; upper and lower air blowing pipes; an air blower connected to the upper and lower air blowing pipes to supply air of high pressure to the upper and lower air blowing pipes; and support rollers disposed in front of the upper and lower air blowing pipes for supporting the thin film sheet to be supplied between the upper and lower air blowing pipes.

Abstract: A method and apparatus for moving along a tube extrusion line. An extruded tube is pushed through the extrusion line, by means of pressure generated by an extruder, to a withdrawal unit that takes over further driving of the tube. In a first-moving along phase, in which the tube has not yet passed a sealing of a calibration cooling unit relative to the atmosphere, the latter is under atmospheric pressure. In a second phase, in which the tube has passed the sealing, the calibration and cooling unit is placed under underpressure. In the first phase, the tube is supported either by internal overpressure or by a mechanical inner guide. A support cylinder extends axially from a casing head of the extruder and extends coaxially into a calibration sleeve in a first section of the calibration and cooling unit. A support plate is disposed between the casing head and an inlet of the calibration sleeve and provides external support for a tube exiting the casing head.

Abstract: A system for manufacturing an irrigation pipe comprises an extrusion unit, a calibrator unit, a cooling unit for cooling the irrigation pipe in a cooling liquid, and a traction unit for drawing the irrigation pipe in the cooling unit. The cooling unit comprises a device for detecting holes in the wall of the irrigation pipe and arranged for being immersed in the cooling liquid. The device for detecting holes comprises at least one optical transmitter and at least one optical receiver which define an optical barrier. The device is arranged so that the holes in the irrigation pipe located below the device produce gas bubbles which modify the optical barrier.

Abstract: An apparatus is described having an extrusion means for extruding a molten polymer strand; a pelletizer; and a trough disposed to convey a polymer strand from the extrusion means to the pelletizer; the trough has an interior bottom surface; a water dispensing means disposed to provide a layer of water on a first portion of the interior bottom surface that is proximate to the extrusion means; a mesh or perforated surface disposed in the trough downstream from the water dispensing means, disposed to permit the separation of water from a water-immersed strand incident upon it; and a second portion of the interior bottom surface downstream from that mesh or perforated surface, disposed to contain a layer of water.

Abstract: An underwater cutting and pelletizing apparatus includes: a cutting device that cuts, with a cutter in a water chamber, molten resin, extruded from a die, into pellets; a separation device that separates, from carrier water, pellets sent from the water chamber of the cutting device to downstream with carrier water; a tank that is disposed below the separation device and stores carrier water discharged from the separation device; and a circulation path formed so as to circulate carrier water between the tank and the water chamber, wherein a hydroelectric power generator is provided on a return side of the circulation path formed on a downstream side of the water chamber, and generates electricity from the energy of the carrier water flowing downward in this path. According to such a configuration, the underwater cutting and pelletizing apparatus is made so as to achieve energy savings by recovering and reusing potential energy accompanying carrier water pumped up to a higher location.

Abstract: A mobile plastics extrusion plant 10 for manufacturing an extruded plastics product in a remote location. The mobile plant 10 comprises the following components: a transportable container 16 for storing raw plastics material prior to extrusion, and a transportable extruded product forming assembly (in the form of a die and former assembly 12) for forming an extruded plastics product from the raw plastics material. The mobile extrusion plant 10 further comprises a transportable delivery system 18 for delivering the raw plastics material from the transportable container 16 to the die and former assembly 12 whereby, in use, the entire plant can be transported to a remote location and operated to manufacture an extruded plastics product.

Abstract: The invention relates to a device for the implementation of a method for the production of pellets of polyamide 6 or copolyamides. The method can include production of a melt of polyamide 6 or copolyamides by means of polymerization, production of pellets from the melt by means of underwater pelletization into a process fluid, removal of the pellets from a site of underwater pelletization in the process fluid, supply of the pellets in the process fluid to an extraction stage, extraction of low-molecular components as extract, and drying of the pellets after extraction, wherein the underwater pelletization stage and the extraction stage take place using the same process fluid.

Abstract: A method is provided for producing solid material filaments or films from a fluid of the material, by extruding the fluid by one or more extrusion openings and by solidifying the material in a precipitation bath. The formed material is guided between the extrusion openings and the precipitation bath by a lateral gas flow. The gas flow is subdivided into a hot partial flow and a cold partial flow. The material is initially brought into contact with the hot partial flow and subsequently with the cold partial flow prior to it being introduced into the precipitation bath. A device is also provided for extruding and forming materials.

Abstract: An apparatus according to various embodiments can be configured to use a cryogen for cooling articles, particularly having applications for chilling extrusions. The apparatus removes thermal energy from an article by conductive and convective heat transfer. The apparatus allows for heat transfer from an outer surface of an article, and from an inner surface of the article.

Abstract: Climbing products containing rails decorated using veil products colored, patterned, painted or in combination with marking methods such as company names and logos and resin formulation designed to withstand exposure to UV radiation with minimal change in appearance which create specific appearances for applications, enhance weathering performance, and facilitate processing efficiency. A combination of a filler free resin or resin with filler and coated veil systems to create a synergistic weather resistance surface with self-contained color, pattern, picture, logo or combination of said same for climbing products. A system for producing components at a rate of greater than 5 ft/min. Various methods, system, a ladder rail.

Abstract: A method for maximizing a width of a pre-stretch film includes providing polymer being suitable for producing the pre-stretch film. A pre-stretch film having strips of increased thickness is produced. The method includes coordinating a thickness of the strips of increased thickness with a formation of edge thickening caused by neck-in during stretching of the pre-stretch film.

Abstract: A device for producing pre-stretch film includes a die defining a die outlet through which molten polymer is extruded. The polymer is suitable for producing the pre-stretch film. A film producing device is spaced apart from the die. One or more coolant supplies are positioned proximate the film producing device for directing a stream of coolant onto the molten polymer positioned on the film producing device.

Abstract: There is provided a dry-wet spinning device for an acrylic precursor fiber bundle for manufacturing carbon fibers, the device enabling stable spinning by making the coagulability of spun yarn (2) uniform by suppressing the vibration of the coagulating liquid surface to make the spun yarn (2) spun downward from a spinneret (1) without the liquid surface being in contact with the spinning surface of the spinneret less susceptible to an accompanying flow reflected by the bottom surface of a spinning bath. To this end, in the present invention, a horizontal flow straightening plate (8) produced from a porous plate or a plate material extending in the direction approximately perpendicular to the direction in which the spun yarn (2) is spun is disposed in a coagulation bath so as to surround the circumference of the yarn spun downward from the spinneret (1).

Abstract: A vacuum sizing tank configured to provide controlled fluid flow. A fluid control system and a vacuum sizing tank utilizing electronic controls to create and maintain controllable fluid flow within the tank. Flow meters may measure the flow in and out of the tank to maintain consistency. Temperature meters may measure the temperatures for each of the flows to maintain consistency. An electronic circuit may compare the values with preset values. Any difference between the values may trigger change by varying the voltage applied to a variable speed water pump.

Abstract: An impregnation section of a die (150) and a method for impregnating at least one fiber roving with a polymer resin are disclosed. The impregnation section includes an impregnation zone (250) configured to impregnate the roving with the resin. The impregnation zone (250) includes a plurality of contact surfaces (252). The impregnation section further includes a device (300) positioned upstream of the impregnation zone (250) in a run direction of the roving. The device (300) is configured to reduce tension in the roving. The method includes tensioning a fiber roving, reducing the tension in the roving, coating the roving with a polymer resin, and traversing the coated roving through an impregnation zone (250) to impregnate the roving with the resin.

Abstract: An apparatus for manufacturing a three-dimensional netted structure, having a pair of opposing chutes located below the mouthpiece along the width direction of the filament assembly and vertical to the thickness direction of the filament assembly, the chutes being inclined so that the distance between each the chute becomes narrower downward and toward the center of the filament assembly, the cooling water is supplied on the surface of the chutes, the cooling water flowing on the chutes receives the filaments in a surface part of the filament assembly to form loops and make the adjacent continuous filaments contact and be entangled with each other, and a surface layer having a higher apparent density and an inner layer having a lower apparent density located inside the surface layer are formed by the conveyor.

Abstract: A method for manufacturing a treated resin film from a long resin film, the method including at least treatment steps each including treating the long resin film by bringing the long resin film into contact with a treatment liquid in a treatment tank, while feeding the long resin film, wherein at least one of the treatment steps is a one-side contact step including bringing a lower surface of the resin film into contact with a surface of the treatment liquid in the treatment tank that is filled with the treatment liquid, and nip rolls are placed downstream of at least one one-side treatment tank for the one-side treatment step. The method is capable of satisfying the properties required of the treated film and also capable of reducing the occurrence of scratches, dents, and other defects.

Abstract: Provided is a process for making thermoplastic polymer pellets. The process has the following steps: (a) melting a thermoplastic polymer to form a polymer melt; (b) extruding the melt through a die to form a substantially continuous molten polymer extrudate wherein the die has a contact surface bearing a polymer coating having a surface energy of less than 25 mN/m at 20° C.; (c) cooling the extrudate to form a cooled extrudate; and (d) pelletizing the cooled extrudate to form a plurality of polymer pellets. Provided is also a polymer pellet shipping system and a stable thermoplastic polymer pellet.

Abstract: Systems, devices, and methods are described for cooling extruded materials. In certain embodiments, a quench tube is provided that includes an inner wall and an outer wall having a channel therebetween for transporting cooling fluid along the quench tube. A passage within the inner surface of the inner wall receives an extruded material through a nozzle formed at an end of the quench tube that delivers the cooling fluid to the extruded material. The channel may be angled at the nozzle to deliver the cooling fluid at an angle with respect to the quench tube, and the quench tube is configured to extend at least in part within an extrusion die.

Abstract: A sizing device is installed on a downstream side in an extrusion direction of a die. A table having two sizing unit attachment portions which are adjacent to each other in a lateral direction orthogonal to the extrusion direction. The table is provided at a device body so as to be laterally movable between a first position where one of the two sizing unit attachment portions is at a production position and the other of the two sizing unit attachment portions is at a standby position, and a second position where the other of the two sizing unit attachment portions is at the production position and the one of the two sizing unit attachment portions is at the standby position. A sizing unit for production configured to perform cooling and sizing in practice is detachably attached to one of the two sizing unit attachment portions at the production position to coincide with an extrusion line.

Abstract: Climbing products containing rails decorated using veil products colored, patterned, painted or in combination with marking methods such as company names and logos and resin formulation designed to withstand exposure to UV radiation with minimal change in appearance which create specific appearances for applications, enhance weathering performance, and facilitate processing efficiency. A combination of a filler free resin or resin with filler and coated veil systems to create a synergistic weather resistance surface with self-contained color, pattern, picture, logo or combination of said same for climbing products. A system for producing components at a rate of greater than 5 ft/min. Various methods, system, a ladder rail.

Abstract: Two paper webs saturated with an A-phase phenolic resins and dried to a B-phase are conveyed through separate low melting point metal alloy baths, one web after being corrugated, to convert the resin to a fully cured C-phase, whereafter the webs are joined to form a waterproof single face corrugated web.

Abstract: A system for producing a pultruded component includes a fixture for providing fibrous reinforcements, a system for providing a polymeric resin, and an impregnation die for coating the fibrous reinforcements with the polymeric resin precursor. The impregnation die includes a first chamber and a second chamber. The fibrous reinforcements include fiber tows made of a plurality of fibers. The system also includes a curing die for forming the pultruded component. The first chamber of the impregnation die is configured for coating exterior surfaces of the fiber tows with the polymeric resin precursor. The second chamber of the impregnation die is configured for coating the plurality of fibers within the fiber tows with the polymeric resin precursor.

Abstract: In a processing plant for producing plastics material granulate, the start-up takes place in such a way that a screw machine is firstly driven by means of a drive device and then plastics material to be processed is fed by means of a metering device into the screw machine. At least one conveying position of the plastics material in the screw machine is determined by means of a control device by evaluating at least one measuring signal. Depending on the conveying position determined, a granulating device is activated and put into operation. The method according to the invention allows a direct start-up of the processing plant without the use of a start-up valve. This ensures an easy and safe start-up of the processing plant.

Abstract: A method and apparatus for manufacturing high-purity long silicon seed rods with controlled resistivity for Siemens and similar processes with using a film of silicon dioxide, wherein a film of silicon dioxide is formed on the seed rod in the course of a reaction between a silicon melt and oxygen. The rod is formed with a quartz die and cooled by direct immersion into a cooling fluid, such as de-ionized water and/or by cooling fluid vapor in the gas cooling zone.

Abstract: A process for preparing a PANOX fiber comprising: obtaining an acrylonitrile copolymer, wherein the copolymer contains at least about 2% by weight itaconic acid comonomer; forming a spin dope from the copolymer; wet spinning the spin dope to obtain gelled filaments; contacting the gelled filaments with ammonia activator in an aqueous imbibation bath; bundling the gelled filaments to obtain a fiber; removing solvent from the fiber; drawing the fiber; densifying the fiber by heating the fiber up to about 400 degrees C. for a time of about 15 minutes in a rapid densification zone; and withdrawing a PANOX fiber from the densification zone.

Abstract: A multi-channel membrane, in particular for treatment of liquids, includes at least one outer membrane surface and one inner membrane surface, which forms at least two longitudinally extending inner channels, which are enclosed by the outer membrane surface. It is proposed that the outer membrane surface and the inner membrane surface each form an actively separating layer.

Abstract: Disclosed are a wet spinning apparatus and a wet spinning method, which enable to manufacture fibers with excellent quality by controlling the flow of a coagulation liquid in a spinning bath and which enable to cope with high speed spinning (or high speed drawing). A wet spinning apparatus (1) comprises a spinning bath (2), at one end in which there are provided a nozzle (5) for discharging a spinning raw liquid and coagulation liquid discharge ports (4a) and (4b) for discharging a coagulation liquid (C), at the other end in which there are provided a drawing roll (10) for drawing coagulated filaments (13) and a coagulation liquid recovery portion (3) into which the coagulation liquid (C) flows out.

Abstract: A manufacturing apparatus of three-dimensional net-like structure includes: a nozzle with a plurality of extrusion holes that are arrayed to extrude and drop downward a thermoplastic synthetic resin in a molten state and thereby form a filament assembly of a plurality of filaments; a pair of chutes arranged across longitudinal faces of the filament assembly to have inclined surfaces that are sloped toward the filament assembly and opposed to each other across a distance that is less than a short side length of the array of the extrusion holes; water supply ports arranged to supply cooling water to the inclined surfaces; and a pair of haul-off machines configured to have endless belts arranged to be in contact with the longitudinal faces of the filament assembly and haul off the filament assembly and opposed to each other across a less distance than the distance between the pair of chutes.

Abstract: A non-return valve for calibration tanks for energy-saving calibration and cooling of plastic profiles which are continuously produced by an extrusion method. A cooling medium is aspirated from a calibration tank via a suction opening and a flow turbine with which the cooling medium and aspirated air are swirled.

Abstract: A device and method for the formation of vesicles is disclosed herein. The device comprises a fluid introduction zone and a vesicle formation zone. The fluid introduction zone comprises a first inlet and a second inlet configured and disposed to provide parallel flow of an outer flow stream, flowing from the first inlet, sheathing an inner flow stream, flowing from the second inlet. The vesicle formation zone is configured and disposed to receive the parallel flow of the outer flow stream sheathing the inner flow stream and configured for a controlled and substantially uniform dispersion of an organic material, flowing in the inner flow stream, at a plane perpendicular to the vesicle formation zone.

Abstract: A device for producing a drip irrigation tube comprising an extrusion apparatus for extruding a tube body made from a thermoplastic synthetic material is provided. Metering elements are inserted in the extruded tube body and connected to the tube body. A calibrating device adjusts the tube body to the desired outer shape, and a cooling device cools the tube body. Outlet holes are made in the tube body in the vicinity of the metering elements to permit the passage of water from the tube body during use. A control unit for controlling the device for making outlet holes is provided, and a sensor which upon lifting of the roller during passage of a metering element emits a signal to the control unit which emits a signal to the device for making outlet holes.

Abstract: The purpose of the invention is to eliminate water-permeable sheets and thus to eliminate various bothersome works related to the water-permeable sheets. To achieve the purpose, the surfaces of the chutes 21, 22 are roughened by sandblasting. The chutes 21, 22 are made of metal such as stainless steel, for example. Processed metal surfaces are generally smooth with almost no friction. Moreover, metal has its inherent water repellency. If water is flowed on a bare metal surface, some parts do not get wet while some parts have concentrated surge water flow thereon. However, by sandblasting the surfaces of the chutes 21, 22, adequate friction resistance is generated and inherent water repellency of metal is eliminated.

Abstract: A method and system for melt processing a thermoplastic composition that contains a starch and plasticizer is provided. The composition is melt blended and extruded through a die to form an extrudate, which is thereafter cooled using a multi-stage system of the present invention that includes at least one water-cooling stage and at least one air-cooling stage. More particularly, the extrudate is initially contacted with water for a certain period time so that it becomes partially cooled and solidified on its surface. After the water-cooling stage(s), the extrudate is also subjected to at least one air-cooling stage in which a stream of air is placed into contact with the extrudate.

Abstract: An apparatus is described having an extrusion means for extruding a molten polymer strand; a pelletizer; and a trough disposed to convey a polymer strand from the extrusion means to the pelletizer; the trough has an interior bottom surface; a water dispensing means disposed to provide a layer of water on a first portion of the interior bottom surface that is proximate to the extrusion means; a mesh or perforated surface disposed in the trough downstream from the water dispensing means, disposed to permit the separation of water from a water-immersed strand incident upon it; and a second portion of the interior bottom surface downstream from that mesh or perforated surface, disposed to contain a layer of water.

Abstract: An apparatus for manufacturing nonwoven fabric including a spinning nozzle, a fiber extension device, a receiver device and a sprinkler is provided. The spinning nozzle is filled with a spinning solution and has a plurality of spinners, where each of the spinners includes a spinning port and a main gas port surrounding the spinning port. The fiber extension device is disposed under the spinning nozzle and includes at least one secondary gas supply device. The secondary gas supply device has an arc gas distribution portion, such that the direction of gas ejected from the secondary gas supply device is the same as the direction of gas ejected from the main gas port. The receiver device is disposed under the fiber extension device. The sprinkler is disposed above the fiber extension device or the receiver device.

Abstract: An apparatus for manufacturing a three-dimensional netted structure, the apparatus including: drawing-down units, the drawing-down units being submerged or partly-submerged in a liquid, and a die with a mouthpiece having a plurality of holes, the die adapted to extrude the filaments downward at a speed lower than the filament dropping speed whereby the filaments drop in between the drawing-down units. The distance between the drawing-down units is smaller than the width of the assembly of the extruded filaments. The drawing-down units are adapted to contact four surfaces of the assembly of the filaments before or after the drawing-down units are submerged.