Abstract: A spunbonding apparatus includes at least one nozzle, a coagulating tank, a deformation region, a slit passage, and a drawing flow pump. The nozzle extrudes at least one spinning solution. The coagulating tank contains coagulating liquid to coagulate the spinning solution into at least one fiber. The deformation region is located between the coagulating tank and the nozzle. The slit passage is connected to the coagulating tank and allows the fiber to pass therethrough. The drawing flow pump provides a drawing flow to the slit passage.

Abstract: The present invention provides a process for producing a colored structured protein product with protein fibers that are substantially aligned and the resultant product. Specifically, the plant protein is combined with a colorant and extruded, forming a colored structured protein product with protein fibers that are substantially aligned and the resultant product.

Abstract: An apparatus (10) for forming a single extrudable food stream such as a cooked cereal dough into a plurality of differently colored and/or flavored dough streams is disclosed including an extruder (12) having screw augers (15) for advancing a plastic food mass, a head or manifold (118) for dividing the plastic food mass into a plurality of substreams each in turn in fluid communication with a plurality of sub-divided dough passageways, and a die head (30) having a plurality of die ports (40). Each subpassage is separately supplied an additive and has disposed therein a multiplicity of in-line static mixer elements (59) to admix the additive into the substreams of the plastic food mass before passage through the die ports (40). In a preferred form, first and second substreams are intermixed in a non-homogenous manner before reaching the exit ports (40). The extrudates are severed into individual pieces (158) by a rotary cutter (36).

Abstract: The invention relates to a device for the production of granulate grains from a plastic melt, having a nozzle plate with at least one nozzle opening from which a strand of the plastic melt is discharged into a processing chamber, and a cutting tool having at least one cutting blade that may be moved against the nozzle plate by means of a feed device, wherein the plastic strand discharged from the nozzle opening of the nozzle plate can be fragmented into granulate grains by the cutting blade moving relative to the nozzle opening. The nozzle plate has a diamond coating at least on the surface thereof facing the cutting tool, with the hardness of the diamond coating being greater than the hardness of the cutting blade, and with the average roughness of the diamond coating being greater than the average roughness of the cutting blade by at least a factor of two.

Abstract: Provided is a nano-fiber manufacturing apparatus which manufactures nano-fibers by an electrostatic explosion, and has a low possibility of explosion even when a flammable solvent is used. The nano-fiber manufacturing apparatus (101) having an ejection unit (110) which ejects solution (200) that is raw material liquid for nano-fibers (200) to a manufacturing space in which the nano-fibers (200) are manufactured by an electrostatic explosion of the solution (200), and a charging unit which charges the solution (200). The nano-fiber manufacturing apparatus (101) includes a gas supply source (103) which supplies safety gas to change an atmosphere of the manufacturing space, in which the solution (200) is ejected, into a low oxygen atmosphere, and a partition (102) which maintains the manufacturing space at a lower oxygen atmosphere than an atmosphere of an outside space of the partition (102).

Abstract: A nozzle for dispensing molten thermoplastic material includes non-circular outlets spaced apart from one another in a predetermined pattern. The nozzle may be used to dispense patterns of adhesive that form closed geometric shapes, such as for use in making hermetic seals.

Abstract: The present invention relates to methods for producing dimensionally stable low carbohydrate pet food compositions.

Abstract: The invention pertains to a method for manufacturing filaments from an optically anisotropic spinning solution in which the spinning solution is extruded through a spinneret including a spinning field with a plurality of spinning orifices into a coagulation bath through a slot or diaphragm, the edges thereof being formed by plates with upper and lower sides. The upper sides of the plates are defined as the sides having the shortest distance to the spinning field, wherein the line through the center of the spinning field and perpendicular to the upper sides is located a distance (d) from a parallel line through the center of the slot or diaphragm. The projection of the slot or diaphragm has about the same size and shape as the projection of the spinning field. The plane of the upper side of one plate has a shorter distance to the center of the spinning field than the plane of the upper side of the other plate, and the line has a smaller distance to the edge of plate than to edge of plate.

Abstract: The present invention is directed to battery separators comprising layers of non-woven, melt-blown polyolefin fibers, and methods of making and using the same.

Abstract: An extrusion die and method for manufacturing an extrusion die for producing a honeycomb body. The honeycomb body includes a plurality of channels defined by intersecting internal walls. The channels have non-equal cross-sectional sizes arranged in an alternating pattern. The channels are divided into a first region including at least one row of channels adjacent an outer peripheral wall of the body, and a second region including remaining channels. The internal walls in the first region have a thickness that increases along an axis extending to the outer peripheral wall.

Abstract: The present invention relates to an electrospinning apparatus for mass-production of nanofibers, particularly to an electrospinning apparatus with an electric stability and an improved nozzle blocks. The bottom-up electrospinning apparatus for the mass-production of nanofiber comprises at least one nozzle block having a plurality of spinning nozzles arranged in the horizontal and vertical direction; a collector installed over the nozzle blocks in order to correspond to the nozzle blocks and maintain a certain distance in between; a power source to apply voltage difference between the nozzle block and the collector; and a spinning solution container to supply the spinning solution to the nozzle block, wherein the nozzle block and the collector are connected to the positive terminal and the negative terminal, respectively and among a plurality of spinning nozzles arranged along the horizontal line, a spinning nozzle in the middle and a spinning nozzle in the end have different height.

Abstract: The present invention relates to methods for producing fibers made from one or more polymers or polymer composites, and to structures that can be produced from such fibers. In one embodiment, the fibers of the present invention are nanofibers. The present invention also relates to apparatus for producing fibers made from one or more polymers or polymer composites, and methods by which such fibers are made.

Abstract: An improved apparatus for producing a rolled snack piece using an extruder having typically a plurality of orifices through which an extrudate exits the extruder. Each of these orifices is spiral shaped. When a desired length of extrudate stream or rope protrudes from an orifice, it is cut at its base, thus producing individual snack pieces that appear to have been rolled after being sheeted.

Abstract: The present invention is to provide a polyvinyl chloride (PVC) fiber for artificial hair. The PVC fiber is manufactured by melt spinning a PVC resin composition with a nozzle, wherein the nozzle has a nozzle hole having a diameter D and a land length L, and a nozzle leading portion having a cone angle, and wherein a ratio of L/D is 1-3, a height of the nozzle leading portion is at least 4 mm, and the cone angle is 20°-90°. The resulting PVC fiber has an arithmetic mean roughness of 0.18-0.38 ?m and a maximum height of 0.5-3.5 ?m along a longitudinal direction, specified by JIS B 0601.

Abstract: A spinneret format, an electric-field reversal format and a process for post-treatment of membranes formed from electro-spinning or electro-blowing are provided, including a cleaning method and apparatus for electro-blowing or blowing-assisted electro-spinning technology.

Abstract: Disclosed is a method and apparatus for forming a circumferential skin surrounding a central cellular structure of an extruded honeycomb article. The method and apparatus may be used to produce defect-free skins and/or skins having large thickness and a high degree of particle alignment thereby preferably exhibiting CTE comparable to the extruded webs. These benefits are achieved by providing a die and method wherein a flow, Q, exiting any two active ones of a plurality of peripheral slots forming the skin is substantially equal. Also disclosed is a thick-skinned ceramic article having a thick extruded skin (ts?>5 tw?) with an I-value comparable to the webs.

Abstract: Honeycomb extrusion die apparatus include a die body including a first set of die pins circumscribed by a second set of die pins. At least a portion of the end face of die pins of the second set of die pins are positioned along a peripheral surface extending at an oblique angle with respect to the extrusion direction. A lateral width of the open end of a plurality of discharge slots defined by the second set of die pins is larger than a lateral width of the open end of a plurality of discharge slots defined by the first set of die pins. Methods of making a honeycomb extrusion die apparatus are also provided.

Abstract: A spinneret format, an electric-field reversal format and a process for post-treatment of membranes formed from electro-spinning or electro-blowing are provided, including a cleaning method and apparatus for electro-blowing or blowing-assisted electro-spinning technology.

Abstract: The method makes it possible to produce a seal (1) of an extruded plastics material, including a tubular section (3) with a wall of variable thickness (WT), using a distribution chamber having a terminal die plate (12) with an annular extrusion orifice (15) formed therein, corresponding to the cross section of the tubular section (3). A chamber (18) is formed in the distribution chamber in communication with the extrusion orifice (13) and into which an elastomeric material is fed for forming the tubular section (3). The chamber (18) of the distribution chamber is in open communication with the outside environment by a passage (21) which is separate from the extrusion orifice (13) and is provided to carry a flow of elastomeric material coming from the chamber (18).

Abstract: The invention relates to a die assembly(1) for forming extrudates of viscoelastic masses, e.g. polymers, dough masses etc, comprising several similar parallel die channels (2), each extending through the die assembly (1) in the axial transport direction (F) of the mass. According to the invention, a respective partition (5), which runs parallel with the axial transport direction (F) and is equipped with a cutting edge (5a) on its upstream end, is provided on the upstream end of the die body (1) between two adjacent inlet openings (3).

Abstract: A die was provided for forming a honeycomb body having a structure provided with groovy slits on a front face thereof, the slits being formed by cell blocks and back holes on a back surface thereof, each hole being communicatively connected with the slit. The die is made of cemented carbide having wear resistance. The cemented carbide is formed by compacting, followed by sintering at high temperature, metal carbide powder of transition metal element series with an iron group metal binder having toughness. A connection area ratio of the back hole and the cell block is 35 to 65%.

Abstract: The present invention relates to a method and an apparatus for spinning fibers, or fiberizers, using a rotary fiber-making die system made up of thin plates, embodied by a housing fixture, configured and stacked to define slots, channels and/or grooves through which the material used to make the fibers will flow. The die system allows for the production of different size and types of fibers, including nanofibers having a diameter of less than 1 micron, and facilitates a variety of cost effective methods for extrusion. The use of plates means the dies can be manufactured cost effectively, with easier clean-outs, replacements and/or variations.

Abstract: A spinning, drawing and texturing machine for the production of curled threads includes a spinning unit and multiple machine modules associated with the spinning unit. Each of the machine modules has multiple processing assemblies for drawing and curling one of the threads, and a spooling unit for winding the thread. The machine modules positioned next to one another form a longitudinal side of the machine. The processing assemblies and the spooling unit are arranged among each other at one of the machine modules such that a narrow machine partition (T) in a range of <800 mm occurs on the longitudinal side of the machine. The spinning unit has one or more spinnerets and one spinning duct within the machine partition (T) per machine module. The spinnerets are held in rows parallel to the longitudinal side of the machine.

Abstract: The invention relates to a method and a device for producing a multi-colored composite thread made of a plurality of extruded colored filament bundles. To this end, a plurality of different dyed polymer melts is generated and extruded in parallel through a plurality of spinnerets to form the colored filament bundles. The colored filament bundles are brought together as a mixed color to form the composite thread. In order to generate a color pattern or to correct the mixed color of the composite thread, according to the invention, the generation of the dyed polymer melts is modified during the extrusion of the filament bundle in order to modify the mixed color of the composite thread.

Abstract: A dough stream blocker (10) is positioned in a dough forming apparatus for selectively opening or blocking the flow of dough through the channels of the assembly that lead to the dough cut off device. Slide valves (34) are rotated to present either a slide valve opening (36) or a slide valve closed body portion (38) that opens or closes the channels.

Abstract: 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.

Abstract: An apparatus for melt spinning and winding up synthetic yarns comprising a spinning appliance, a treating appliance and a windup machine. The treating appliance comprises a runoff godet for guiding the yarns before entry and distribution of the yarns into a plurality of winding stations in the windup machine, the runoff godet being arranged above the windup machine and guiding the yarns in a parallel side by side arrangement on its circumference. The runoff godet is arranged transversely to a winding spindle and above the windup machine, the windup machine comprising a plurality of head yarn guides which are disposed upstream of the winding stations and are arranged in a vertically oriented runup plane.

Abstract: High-capacity extrusion die assemblies (20, 90, 130, 140, 180, 252) each having a tubular section (44, 146, 162, 268) and an elongated, axially rotatable, helically flighted screw section (56, 56a, 152, 168, 276, 278) which cooperatively define frustoconical, outwardly diverging material flow paths (75, 160, 291) at constant or differing divergence angles of from about 1-11°. The use of diverging tubular sections (44, 146, 162, 268) and screw sections (56, 56a, 152, 168, 276, 278) permits the use of larger die plates (76, 118, 292) with an increased number of die openings (80, 124, 296). This allows significant increases in extrusion production rates. The die assemblies (20, 90, 130, 140, 180, 252) can be used in the production of a wide number of human foods or animal feeds, and particularly aquatic feeds of the floating or sinking variety.

Abstract: A diel for forming the honeycomb structure includes: a plate-like die main body 4 including an introducing portion 3 provided on the side of one surface thereof and having a plurality of back holes 7 and a forming portion 2 provided on the side of the other surface thereof and having slits 6; and a back plate 5 detachably attached to the surface of the introducing portion 3 and having a plurality of through holes 9 connected to the back holes 7 of the introducing portion 3. Through hole opening portions 12 of the through holes 9 formed in the back plate 5 in the one surface of the die main body have such an enlarging shape as to enlarge toward the one surface of the die main body. The diel for forming the honeycomb structure can decrease the resistance of a forming material during extrusion.

Abstract: A cutter assembly for an extruder includes an elongated extrusion member having an open feed end. The open feed end is attachable in fluid communication with a manifold of the extruder for supplying a mash thereto. An extrusion die is supported on the elongated extrusion member. The extrusion die includes a plurality of extrusion outlets formed therein. A cutter member cuts extrudate to a desired length as the extrudate exits the die. The cutter member is slidable on the extrusion member in a direction of elongation of the extrusion member. The cutter member is operably connectable at the drivable end to a drive device of the extruder for reciprocatably sliding the cutting surface of the cutter member over and away from the extrusion die. The shape of the extrusion outlets twist the mash as the mash exits the extrusion die in order to form a twisted food product.

Abstract: An apparatus for making a spunbond web has a deposition surface, a spinneret above the surface for producing filaments that move downward along a path toward the surface, and a cooling chamber below the spinneret. Cool process air is supplied to the chamber to cool the filaments as they pass downward through the chamber. A laterally closed stretching unit downstream of the cooling chamber has laterally closed side walls that have portions that diverges downward. A connecting region between the stretching unit and the cooling chamber substantially excludes access of air from outside to the filaments as they pass from the cooling chamber to the stretching unit so that the filaments drop from the stretching unit onto the deposition surface.

Abstract: In a first aspect the invention is a solid core fibrillation-resistant, synthetic polymeric filament having three substantially equal length convex sides. The sides through substantially rounded tips centered by a distance “a” from the axis of the filament. Each rounded tip has a radius substantially equal to a length “b”. Each tip lies on a circumscribed circle having a radius substantially equal to a length (a+b) and the midpoint of each side lies on an inscribed circle having a radius substantially equal to a length “c”. The filament has a denier-per-filament in the range 10<“dpf”<35; the distance “a” lies in the range 0.00025 inches (6 micrometers)<“a”<0.004 inches (102 micrometers); the distance “b” lies in the range from 0.00008 inches (2 micrometers)<“b”<0.001 inches (24 micrometers); the distance “c” lies in the range from 0.0003 inches (8 micrometers)<“c”<0.0025 inches (64 micrometers); and the modification ratio (“MR”) lies in the range from about 1.1<“MR”< about 2.0.

Abstract: An electrospinning apparatus is described. The electrospinning apparatus has a rotary nozzle mechanism that moves simultaneously along a non-linear track for forming polymeric fibrils, so that the polymeric fibrils can be piled to form a uniform web on a receiving carrier from any receiving angle. Therefore, the electrospinning apparatus resolves problems of the prior polymeric fibrils, such as various distribution and slow production rate. In addition, a method of manufacturing polymeric fibrils in the aforementioned electrospinning apparatus is further described.

Abstract: Here is disclosed a die 1 for forming a honeycomb structure provided with back pores 4 through which a forming material is introduced and slits 5 through which the forming material is extruded into a lattice-like shape, and the die comprises a first plate-like member 2 made of a super hard alloy containing tungsten carbide and a bonding agent and provided with the back pores 4 extending in a thickness direction; and a second plate-like member 2 bonded to the first plate-like member 2, made of the super hard alloy containing tungsten carbide and the bonding agent, and provided with the slits 5 connected to the back pores 4, wherein the bonding agent is dispersed in a less amount in a bonded part 6 between the first plate-like member 2 and the second plate-like member 3 than in the other part.

Abstract: A method and system for forming a wide mouth container using a single-step blow molding apparatus. The method and system uses a mold that is adapted to be used in a narrow mouth single-step blow molding apparatus. The method and system increases the number of cavities that can be used in the mold for forming wide mouth containers. This increases the amount of containers that can be made and reduces overall tooling and operational costs.

Abstract: An apparatus includes a spinning nozzle, a fiber drawing device and a water spray device. The spinning nozzle has spinnerets and a spinning solution is filled therein. The spinning solution includes a solvent and a fiber material. The solvent includes N-Methylmorpholine N-Oxide, and the fiber material includes cellulose. The fiber drawing device is disposed under the spinning nozzle and has a gas flow generating device therein for generating a gas flow which is ejected from the top of the fiber drawing device and toward the bottom thereof. The fiber drawing device also has a slit on the top thereof, and the spinning solution from the spinning nozzle would enter the fiber drawing device through the slit. The water spray device is disposed at the slit of the fiber drawing device, and the spinning solution would pass through the water spray device before entering the fiber drawing device.

Abstract: A multiple extrusion head (1) for blow molding extrusion machines has a plurality of first extrusion heads (2) fixedly arranged side by side in a first row forming a first plane (3). A plurality of second extrusion heads (4) are fixedly arranged side by side in a second row forming a second plane (5) that extends parallel to the first plane (3). Per row, distributing devices (6, 6a, 6b) are provided with first distributing channels (7, 10) that are arranged in the first plane (3) and the second plane (5), respectively. The distributing devices (6a, 6b) are separated in the region of the first plane (3) and second plane (5), A third distributing device (15) is provided with third distributing channels (18) that are arranged in a third plane (16) extending at a right angle relative to the first plane (3) and to the second plane (5).

Abstract: A nonwoven production machine includes a spun-bond tower for extruding filaments and associated apparatus for forming the filaments into a web that is consolidated by water jets, a web that is calendered and then softened by water jets, or a web that is only calendered.

Abstract: Melt blown or spun bond nonwoven webs are formed by flowing fiber-forming material through a die cavity having a substantially uniform residence time and then through a plurality of orifices to form filaments, using air or other fluid to attenuate the filaments into fibers and collecting the attenuated fibers as a nonwoven web. Each die orifice receives a fiber-forming material stream having a similar thermal history. The physical or chemical properties of the nonwoven web fibers such as their average molecular weight and polydispersity can be made more uniform. Wide nonwoven webs can be formed by arranging a plurality of such die cavities in a side-by-side relationship. Thicker or multilayered nonwoven webs can be formed by arranging a plurality of such die cavities atop one another.

Abstract: A joined article 1 in which a first metal member 2 made of a tungsten carbide base cemented carbide and a second metal member 3 made of a martensitic stainless steel having a carbon equivalent of 2.5 to 3.5 and containing 0.030 mass % or less of sulfur are joined. The martensitic stainless steel having the carbon equivalent of 2.5 to 3.5 is preferably at least one selected from the group consisting of SUS431, SUS420J1, SUS420J2, SUS410, SUS410J1, S-STAR, PROVA-400, HPM38, STAVAX ESR, and SUS403 in the joined article 1. There is disclosed a joined article in which the lowering of the strength of a second metal member around a joining interface thereof is prevented.

Abstract: A device for melt spinning, treating and winding synthetic threads includes a spinning unit, a treatment unit and a winding unit. The spinning unit, the treatment unit and the winding unit are arranged in tiers one above the other and form a plurality of single-thread or multi-thread production positions along the longitudinal side of a machine. To permit a rapid, simple operation, in particular at the start of a process and during interruptions of the process, an operator walkway is located at a height between the treatment device and the winding device.

Abstract: High-capacity extrusion die assemblies (20, 90, 130, 140, 180, 252) each having a tubular sections (44, 146, 162, 268) and an elongated, axially rotatable, helically flighted screw section (56, 56a, 152, 168, 276, 278) which cooperatively define frustoconical, outwardly diverging material flow paths (75, 160, 291) at constant or differing divergence angles of from about 1-11°. The use of diverging tubular sections (44, 146, 162, 268) and screw sections (56, 56a, 152, 168, 276, 278) permits the use of larger die plates (76, 118, 292) with an increased number of die openings (80, 124, 296). This allows significant increases in extrusion production rates. The die assemblies (20, 90, 130, 140, 180, 252) can be used in the production of a wide number of human foods or animal feeds, and particularly aquatic feeds of the floating or sinking variety.

Abstract: High-capacity extrusion die assemblies (20, 90, 130, 140, 180, 252) each having a tubular sections (44, 146, 162, 268) and an elongated, axially rotatable, helically flighted screw section (56, 56a, 152, 168, 276, 278) which cooperatively define frustoconical, outwardly diverging material flow paths (75, 160, 291) at constant or differing divergence angles of from about 1-11°. The use of diverging tubular sections (44, 146, 162, 268) and screw sections (56, 56a, 152, 168, 276, 278) permits the use of larger die plates (76, 118, 292) with an increased number of die openings (80, 124, 296). This allows significant increases in extrusion production rates. The die assemblies (20, 90, 130, 140, 180, 252) can be used in the production of a wide number of human foods or animal feeds, and particularly aquatic feeds of the floating or sinking variety.

Abstract: An extruder has a casing with at least one bore. One screw each is arranged in the bore in a rotatably drivable manner and is provided with a screw tip adjoining a nozzle plate. A shearing tool is arranged at the screw tip directly in front of the nozzle plate and is provided with at least one arm, with a shearing gap being formed between said arm and the nozzle plate.

Abstract: A die having large numbers of grooves for molding a material to a honeycomb structure, wherein a surface having the grooves has an outer periphery in a polygonal shape having 6 or more corners, and wherein the grooves are crossing the outer periphery at an angle of 30° or more.

Abstract: A die assembly and a process for using the die assembly is disclosed. The die plate is made of a material that is somewhat resistant to cracking when subjected to pressure of an extrudate material from behind the die assembly. A series of recesses are arranged about the circumference of the die plate, into which dies of a more hardened material are secured. Holes conforming to the shape of the desired extrudate are drilled through the die plate and dies. The surface of the dies is ground smooth so that there is consistent, even contact between the dies and the mechanism used for cutting the extrudate as it is pushed out of the holes in the dies.

Abstract: Provided is a die for extrusion forming for extrusion forming of a honeycomb formed body comprising a honeycomb forming die having a structure that there is provided at a surface a groove-like slit in a form of a cell block as well as there is provided at a backside a clay introduction hole in communication with the slit, and a frame-shaped presser plate that is disposed at an outer peripheral portion of the honeycomb forming die and that regulates a shape and dimension of a honeycomb formed body. Among the cell blocks, in an extrusion direction of forming clay, a cell block which end face is positioned to be overlapped with an inner circumferential surface of the presser plate is formed to be shorter than the other cell blocks resided inside the inner circumferential surface of the presser plate.

Abstract: A hollow fibre containing one or more layers having a mean pore size in one or more of said layers of less than 100 ?m. The invention also extends to a method for preparing porous hollow fibres and to the apparatus for preparing said fibres.

Abstract: A method of manufacturing a semiconductor device capable of obtaining high joining force between a heat spreader and resin is provided. The method of manufacturing a semiconductor device according to the present invention includes: setting a heat spreader 60 on a face formed a plurality of apertures 22 in a cavity 21 of a first molding die 14; filling resin 20 into the cavity; setting a substrate 54 mounted with a semiconductor chip 50 a second molding die 12; and pressure-welding the first molding die 14 and the second molding die 12 so that the semiconductor chip is embedded in the resin 20, wherein a plurality of concave portion is formed on one face of the heat spreader 60, a plurality of convex portions is formed on the other face of the heat spreader 60, and the plurality of concave portions and the plurality of convex portions are overlapped in plan view.

Abstract: Apparatuses and methods for the production of superfine fibers.