Abstract: Provide is a blown film forming apparatus including a die including a columnar inner peripheral member and a cylindrical outer peripheral member that surrounds the inner peripheral member, and extruding a resin from a lip formed between the inner peripheral member and the outer peripheral member, and a plurality of die lip drive mechanisms including a fluid pressure actuator as a drive source and adjusting a lip width by applying a radial load to the outer peripheral member, in which the outer peripheral member includes a plurality of load receiving portions to which a load is applied by the die lip drive mechanism, and a stiffness reducing portion that is provided between the plurality of load receiving portions.

Abstract: A low speed seed oil expeller press with the capability of extracting oil through a new seed compression design that eliminates the need for filtration, and maintains the captured seed oil at a temperature below 130 degrees F. It has a seed preheating capability and controls the pressure and extraction oil temperature by adjustments of the expeller speed, the head volume and the size of the pressed seed exit orifice in the thorn. The seed oil expeller press eliminates seed rotation within the head volume so as to eliminate crushing, grinding or tearing of the seed by a symmetrical knived press head. The seed oil expeller press regulates seed temperature, seed feed rate, seed pressure, seed rotation and extracted seed oil temperature so as to compensate for the seed size, seed hardness and seed oil content.

Abstract: An injection head for an apparatus for the production of twin-wall pipes has an external melt channel leading to an external nozzle and an internal melt channel leading to an internal nozzle. From the internal melt channel, a conically expanding internal nozzle channel leads to an internal nozzle outlet of the internal nozzle. In the region of the internal nozzle channel, an internal nozzle adjustment device is arranged by means of which the gap cross-section of the internal nozzle channel is displaceable and adjustable up to the internal nozzle outlet by radial displacement.

Abstract: A dual head extruder for a three-dimensional additive printer can be used to receive and dispense material. The extruder can include a number of different components including two nozzles, at least one having an adjustable opening configured to discharge material. The adjustable opening can be configured to be moved and rotated so as to align the adjustable opening with a plurality of paths along which the material is configured to be deposited for generating a three-dimensional object. The adjustable opening can comprise a first orifice and an obstruction member configured to move with respect to the first orifice. The position of the obstruction member can adjust the size of the opening area of the adjustable opening.

Abstract: The sheet-like rubber forming device has a die body which has an opening having a predetermined cross sectional shape, and a variable die lip which is arranged in a front side of the die body and can change the height of the opening. The variable die lip is constructed by a first movable body and a second movable body. The die lip control unit controls the variable die lip so as to drive the first movable body in an opening direction from a state in which the first movable body and the second movable body are closed when the forming is started, hold the positions of the first movable body and the second movable body after reaching a predetermined height, and drive the second movable body in a closing direction when the forming is finished.

Abstract: A variable extrusion die apparatus includes a first die into which an extrusion material is injected. A second die is coupled to the first die and has an extrusion nozzle having a shape corresponding to a cross section of an extrusion product. A swivel core is rotatably installed in the extrusion nozzle, wherein a cross section of the extrusion nozzle is varied by rotation of the swivel core.

Abstract: The invention provides a deckle system for extrusion dies. In certain embodiments, the invention provides methods of cleaning an extrusion die equipped with a retractable external deckle system. Also provided in some embodiments is a deckle system having a novel deckle adjustment mechanism. In other embodiments, the invention provides an advantageous internal deckle member equipped with a removable, replaceable internally threaded insert.

Abstract: A rod-shaped FRP bar is manufactured with a fiber and a resin by using a nozzle 100 which includes an outer nozzle 11 having a penetration hole at its center and a plurality of middle nozzles 12 disposed at an inlet of the outer nozzle 11 so that one middle nozzle is located inside another middle nozzle with an interval. Fibers are supplied through a center hole of the middle nozzle located at an innermost location, through intervals between the middle nozzles and through intervals between the middle nozzles and the outer nozzle, thereby making a hybrid FRP bar 1 having a section in which the fibers configure a plurality of fiber distribution layers from the center of the FRP bar toward the outside.

Abstract: Ceramic die pin for molten thermoplastic extrusion, apparatus for molten thermoplastic extrusion including a ceramic die pin, and methods of molten thermoplastic extrusion with a ceramic die pin. The ceramic head member can have a mounting cavity formed therein. The ceramic head member can be made of high purity aluminum oxide, and have an outer surface finish of between about 4 RMS and about 275 RMS.

Abstract: A method for casting a hollow core concrete product with a substantially horizontal slipform casting process, where concrete mass is fed at least in one feeding stage through a limited cross-section (5, 6, 7) moving progressively along with the cast, and at least one core is formed in the concrete product to be cast with a core forming member (4), wherein the thickness of webs between the cores of the product to be cast are changed during the slipform casting process by changing the width of the at least one core forming member (4). The invention also relates to such an apparatus and a core forming member.

Abstract: A head assembly (10) is provided for use in a rotary head extruder (12) for extruding a food product. The head assembly (10) includes an annular-shaped stator plate (20) and a rotating blade plate (22). The blade plate (22) preferably includes at least six blades, each with a wedge shaped profile, and the stator plate (20) includes extrusion channels that extend at an angle in the range of 20°-50° from tangent to a circle defined by an inner surface (30) of the plate (20).

Abstract: An extrusion die head for the extrusion of hollow or center-filled shapes as well as apparatus comprising the extrusion die head and methods employing the die head. The extrusion die head (10) is for the preparation of a plurality of center-filled products (34) of varying composition wherein each product comprises a first (filling) material and a second (outer) material. The die head comprises at least one tube (22) such that a first material may be extruded through the tube or tubes and a second material may be extruded around the tube or tubes. The location and the number of the tubes may be customized to vary the location and amount of the first material relative to the second material and thereby vary the composition of the center-filled product. The extrusion die head apparatus comprises a sleeve (40) enclosing the die head. In one embodiment a first material is conveyed from one or more first apertures (18) via one or more tubes (22) to one or more second apertures (20) where it is extruded.

Abstract: The invention relates to a method and to a device for producing endless strands, particularly plastic strands having structure in the longitudinal axis. According to the invention, form elements (14, 15) bounding a form cavity (4) are brought together and aligned with each other in rows for making a form cavity (4), the form cavity (4) is moved in the longitudinal axis of the rows and casting material is brought into the form cavity (4) at a gate location running against the direction of motion through a side opening (5) of the form cavity (4), and the form cavity is opened continuously at a distance from the gate location while moving the form elements apart, in order to demold an endless strand solidified in the form cavity (4).

Abstract: A means for modifying a building space for a device for manufacturing a three-dimensional object by layerwise solidification of a powdery building material at the locations corresponding to the object in the respective layers comprises one or several small supports (32) or one or several building space partitioning elements (20) on a building platform (2), thereby the device has one or several small building areas (22.1, 22.2, 22.3), in which the powdery material may be efficiently used and different powder materials may be processed.

Abstract: The invention proposes a system for dosing a food product onto an object comprising a dosing device (1) for co-extrusion of at least 2 food materials at the same time to form a multi-component food product (30), said dosing device (1) comprising a core element (2) housing at least a first and a second supply (5a, 5b), said first supply (5a) having at least one orifice (6) connected to an extrusion channel (7) which is positioned coaxially to an extrusion channel (8) of the second supply (5b), and a cylindrical tube element (3) relatively rotatable to and enclosing the core element (2), having at least one aperture (3a), wherein said aperture (3a) is designed to be selectively brought into a coaxial position to the extrusion channels (8,7) of the first and second supplies (5a, 5b) by rotating the cylindrical tube element (3), allowing a co-extrusion of the food materials introduced into the supplies (5a, 5b) of the core element.

Abstract: The invention provides a deckle system for extrusion dies. In certain embodiments, the invention provides methods of cleaning an extrusion die equipped with a retractable external deckle system. Also provided in some embodiments is a deckle system having a novel deckle adjustment mechanism. In other embodiments, the invention provides an advantageous internal deckle member equipped with a removable, replaceable internally threaded insert.

Abstract: An extrusion process incorporates a forming manifold where a tubular flow of a second material is intermittently interrupted while a core flow of a first material is discharged substantially continuously. Subsequently, the core flow is severed to form individual food items or treats for humans, animals, and the like, where the tubular flow results in an outer component surrounding an inner component which protrudes from one or both ends of the outer component. Material of the core flow is bone-like, while material of the tubular flow is meat like. Material of the tubular flow may include material from the core flow subjected to mixing in a static mixer to achieve a marbled texture of the outer material.

Abstract: The invention comprises a die apparatus including a flexible lip for adjusting a gap between the flexible lip and a second lip. The apparatus include a cross-bar contacting the lip and extending substantially the length of the lip, where the cross-bar is connected to linear moving members. The linear moving members may be moved, for instance, through pivoting pivot members. The pivoting members may pivot by adjusting a slide bar. As a result, the dimensions of the gap may be changed by moving the slide bar in a first direction or a second direction.

Abstract: A lip drive part for a T-die that adjusts a gap between first and second lips includes an actuator acts on a flexible lip part forming at least one of the first and second lips of a T-die body, includes a lever that acts on the flexible lip part, a first bellows that narrow the gap by acting on the lever when being expanded, and a second bellows that widen the gap by acting on the lever when being expanded.

Abstract: Apparatus and methods for fabricating food items include extruding a first hot plastic food mass through multiple passages (14) and co-extruding a second hot plastic food mass through a feed stem (22) received in each of the multiple passages (14) and through nozzles (42). Each nozzle (42) includes a first portion (42b) in communication with the feed stem (22) but not the passage (14) and a second portion (42a) in communication with the passage (16) but not the feed stem (22). The nozzles (42) are rotatable in gearing relation with the drive gear (70) of a servomotor (72). The co-extruded ropes are conveyed at a linear speed rate less than or equal to the discharge speed from the nozzles (42), cooled, and cut into individual pieces in the form of peelably separable strands.

Abstract: Exemplary embodiments are directed to a mold for producing hollow-cylinder-type molded parts, having an external mold portion, that determines an inner cavity of a molded part to be manufactured. The external mold portion has a first cylindrical mold, which extends in a rotationally symmetrical manner about a first axis, and a hemispherical mold having a diameter equal to a diameter of the first cylindrical mold directly adjoins one of the two ends of the cylindrical mold along the first axis, wherein a second cylindrical mold adjoins the hemispherical mold in radial alignment. The hemispherical mold has a spherical cap, the second cylindrical mold is rotatable together with the spherical cap about a second axis which is arranged at an angle with respect to the first axis, and the second cylindrical mold is arranged concentrically with respect to the second rotational axis.

Abstract: An apparatus forms an elastomeric strip. The apparatus includes a roller and an adjustable surface. The roller has a cylindrical surface. The roller rotates at a predetermined angular velocity. The adjustable surface confronts the cylindrical surface and has a first stationary position relative to the cylindrical surface such that the apparatus forms an elastomeric strip having a first thickness. The adjustable surface is adjustably pivotable relative to the cylindrical surface such that the adjustable surface moves to a second stationary position for forming an elastomeric strip having a second thickness.

Abstract: This invention relates generally to software and mechanics, and more specifically, to systems and methods for providing a personal affector machine. In one embodiment, the invention includes a top frame; a cross-member, the cross-member extending from the top frame, the cross-member configurable to do any of translate and rotate relative to the top frame; an affector head, the affector head coupled to the cross-member, the affector head configurable to do any of translate, rotate, and gyrate relative to the top frame, the affector head having an affector; a bottom frame, the bottom frame coupled to the top frame; and a cassette, the cassette configurable to removably securing material therein, the cassette being removably attachable to the bottom frame, wherein the affector is configurable to affecting the material within the cassette in a plurality of dimensions.

Abstract: A device for extruding a strip of rubber comprises a passage for forming the strip, which passage is defined by a rotary roller for forming and driving the strip. The device also comprises a shutter for shutting the forming passage, which shutter is deactivatable under the effect of the pressure of the rubber upstream from the shutter exceeding a predetermined threshold.

Abstract: A roller die preformer for use in an extrusion system to form wide extruded components, such as a rubber tire tread, on a surface of a roller. The roller die preformer includes a flow inlet, a flow outlet and a laterally expanding flow channel extending from the flow inlet to the flow outlet. A flow restrictor is configured within the flow channel to urge the flow of material toward the lateral extremities of the flow channel to thereby form an extruded component at the flow outlet having a lateral width which is greater than the lateral width of the flow inlet of the preformer.

Abstract: A device is constructed for adjusting the concentricity of a die within an extrusion die assembly. The adjustment mechanism involves a series of compound screws having multiple operating threads that employ different pitches to generate a fine adjustment motion. The compound screws are coupled to opposing spring loaded plungers that move against a bias spring in reaction to movement of the compound screws.

Abstract: A head assembly (10) is provided for use in a rotary head extruder (12) for extruding a food product. The head assembly (10) includes an annular-shaped stator plate (20) and a rotating blade plate (22). The blade plate (22) preferably includes at least six blades, each with a wedge shaped profile, and the stator plate (20) includes extrusion channels that extend at an angle in the range of 20°-50° from tangent to a circle defined by an inner surface (30) of the plate (20).

Abstract: An extrusion feed device for a composite resin capable of forming a composite resin extruded material having a variety of layer configurations not necessarily symmetrical. A plurality of cylindrical flow passages (3) and (4) for feeding a molten resin, an opening/closing valve (7) capable of opening/closing a center flow passage (36) and a cylindrical flow passage (4a), and a center opening/closing valve (39) capable of opening/closing the center flow passage are provided at the upstream side end part (2a) of a discharge passage (2) for delivering the composite resin extruded material. A main resin (30a) forming an outside layer is always fed from the cylindrical flow passage (3), and the other molten resin (30b) and/or (30c) as an auxiliary resin is fed, at a proper timing, from the cylindrical flow passage (4) and the center flow passage (36) on the inside into the molten resin (30a) on the outside by controlling the opening/closing valve (7) or the center opening/closing valve (39).

Abstract: A rotary die head for a film blowing machine for use with a starch-based biodegradable material including a core mould and an outer body. The core mould includes a spiral core mould sleeved on a center pivot and a rotary core mould fixed on the center pivot, jointed with each other. A motor drives the center pivot and the rotary core mould to rotate. The outer body includes an inner die casing sleeved on the spiral core mould, an outer die casing fit with the inner die casing, and a mouth die casing. The inner die casing, the mouth die casing, the spiral core mould, and the rotary core mould form a material flow and molding channel consisting of a herringbone feed-in slot, spiral conveying slots, an annular gap buffer zone, a tapering cone passage, an annular loosing cavity, and a final molding gap in turn from bottom to top.

Abstract: An extrusion die assembly includes a hollow extrusion head which has a head inner surface, a central passage inlet opening, a forming section having a die opening, and a receiving space that extends from the central passage inlet opening to the forming section. A flow-dividing core is disposed within the receiving space, and has a central passage connected to the central passage inlet opening and extending to the forming section, and a grooved outer surface that is disposed upstream of the forming section and that has at least one groove which cooperates with the head inner surface to define at least one accumulating passage. An annular passage is formed in the forming section and around the flow-dividing core and the central passage, is connected to the accumulating passage, and merges with the central passage in the die opening.

Abstract: For the purpose of molding a multilayered film/sheet having a highly precise thickness of each layer, movable choker bars (31, 32) are movably arranged in the middle of molten resin channels (111, 112), and a plurality of choker adjustment bolts (35, 36) are arranged at a predetermined pitch in the die width direction. The choker bars with the choker adjustment bolts are moved so as to adjust the gap in a choker portion. Thermal conductors (37, 38) are provided with the respective choker adjustment bolts.

Abstract: An injection head (10) is described for a corrugator which is intended for the production of plastics pipes. The injection head (10) has a main head (12), a nozzle body (14) and a mouthpiece means (16) with at least one mouthpiece (32, 36). The main head (12) is embodied with first channels (50, 52) and the nozzle body (14) is embodied with second channels (58, 60) which are flow-connected to the first channels (50, 52). The/each mouthpiece (32, 36) has a central body (74, 76) and a sleeve body, (78, 80) surrounding said central body. On its lateral surface (82, 84) facing the sleeve body (78, 80), the central body (74, 76) is embodied with wound plastics distributor grooves (86, 88) which are flow-connected by means of connecting portions (114, 120) to a concentric annular groove (112, 116) which is formed on the reverse surface (90, 92) of the central body (74, 76) and into which the second channels (58, 60) of the nozzle body (14) discharge.

Abstract: The present invention relates to a process for manufacturing a shaped article such as tubes, and hoses comprising processing a fiber-reinforced thermoplastic polymer in an extruder apparatus.

Abstract: An electric cable for conveying signals, the cable having a diameter of less than 2 mm and comprising at least one conductor in an insulating sheath, the sheath having a dielectric constant ? of less than 1.7. To achieve this, the sheath is made of PTFE and it includes at least one continuous cell.

Abstract: A pipe extrusion die may be provided having an inner flow passageway having a first cross-sectional area, and an outer flow passageway having a second cross-sectional area, both being in communication with an inlet flow passageway. A ratio adjusting tube may be movably disposed in blocking engagement between the inlet flow passageway and the inner flow passageway. The ratio adjusting tube and the outer flow passageway both may be substantially concentric with the inner flow passageway. Material may be distributed from the inlet flow passageway to the inner and outer flow passageways. The method and apparatus may allow for the manual and automatic control of the proportion of material distributed between the inner and outer flow passageways by adjusting the position of the ratio adjusting tube in relation to a passageway between the inlet flow passageway and the inner flow passageway, based on various operating parameters.

Abstract: An extrusion die comprises a die body defining a die cavity (18). The cavity (18) is shaped such that the die body includes a male portion (24) and a female portion (26). A leading edge (18a) of a part of one side of the die cavity (18) is out of alignment with a leading edge (18a) of an opposing part of the die cavity (18), at rest, such that, in use, when deflection of parts of the die occurs, the leading edges (18a) substantially align.

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: An extrusion device for making spiral stripping electrical wires is disclosed to include a fixed mold member, which has a main flow path and a supplementary flow path for the passing of a first insulative material and a second insulative material, and a rotating mold member, which is rotatably supported on the front end of the fixed mold, having a mold hole axially connected to the outlet of the main flow path and one or multiple flow paths, each flow path of the rotating mold member having an outlet in communication with the mold hole and a common annular inlet disposed in communication with the outlet of the supplementary flow path for guiding the second plastic material spirally into the first plastic material to form a spiral strip in the insulator during extrusion of the two plastic materials with a conductor through the mold hole.

Abstract: The invention relates to a device for the production of multi-layer, co-extruded, tubular pre-forms made from thermoplastic plastic. A co-extrusion head (10) comprises co-axially arranged flow channels (FK1, FK2), each supplied by a single inlet opening (ZF1, ZF2) with a material melt, distributed annularly in a distribution ring (26, 28). The gap width in each distribution ring (26, 28) is greater in the vicinity of the inlet opening (ZF1, ZF2) than the gap width (s2, s6) in the region of the side opposing the inlet opening (ZF1, ZF2). The flow channels (FK1, FK2) are also asymmetric with regard to the gap widths.

Abstract: An apparatus for producing a tubular tissue scaffold having aligned biopolymer fibrils including a biopolymer gel dispersion feed pump that is operably connected to a tube-forming device having an exit port, where the tube-forming device is capable of producing a tube from the gel dispersion while providing an angular shear force across the wall of the tube, and a liquid bath located to receive the tubular tissue scaffold from the tube-forming device.

Abstract: An extrusion die or extruder having a flexible lip that is moveable by a geared mechanism. A shaft is operably connected to at least one gear, which in turn is operably connected to a movable lip of the extruder. Rotation of the shaft results in movement of the extruder lip.

Abstract: To provide an apparatus and method for producing a resin film product from a thermoplastic resin in a stable manner without damage to the product, wherein the resin film product is thin and has a uniform, flat surface. A mandrel 7 that comes into proximity or contact with the surface of a moving resin film to guide the movement of the resin film when a resin film in continuous form is continuously produced, the mandrel comprising: a mandrel main body 71 having an opening; and a guide part 72 that is composed of an elastic member attached to the opening 71a and that can advance and retract relative to the resin film, and an apparatus and method for producing a resin film using the mandrel.

Abstract: The present invention relates to a molding die for molding a hollow molding article, including: a pin plate having an inflow port for molding material, a tubular bushing forming a molding path continued from the inflow port, an outlet of the die positioned in the extending direction of the molding path, a conical pin provided perpendicularly to the pin plate and disposed inside the molding path, a gap, that is continuous in the longitudinal direction, being provided between an inner wall surface of the molding path and an outer surface of the conical pin, an adjusting device for adjusting a width of a standard annular gap when a gap formed between a specified position in the longitudinal direction of the molding path and the outer surface of the conical pin opposing to the position.

Abstract: An extrusion die for radial extrusion of a rotor shaft for a wind turbine generator has a body and a mandrel received in the body. The mandrel and body cooperatively define a tubular interior chamber. A punch is received in the tubular interior chamber and is moveable with respect to body and mandrel. A radial extrusion insert has a radial interior chamber in communication with the tubular interior chamber. The radial extrusion insert includes an arcuate edge disposed in a transition area between the tubular interior chamber and the radial interior chamber.

Abstract: An apparatus for forming a parison is described. The apparatus has a mandrel housing. The housing has an axially aligned hollow mandrel channel therein and a side channel substantially transverse to the mandrel channel. A mandrel is also provided. The mandrel has an axially oriented notch in an exterior surface. The notch is in fluid communication with two fluid channels that extend continuously downwardly around the mandrel to meet one another on an opposite side of the mandrel from the notch. When the mandrel is installed within the mandrel channel, a first radial gap and a second radial gap, both between the mandrel and the mandrel housing, are formed.

Abstract: In a casting process of a film production, a casting dope is discharged through an outlet of a casting die. In the casting die, lip plates and inner deckle plates are arranged such that a lower end of each inner deckle plates may be form a protrusion at a side edge of the outlet of the casting die. Each protrusion length from a bottom of the lip plate is at most 9 ?m. Thus the retaining of the casting dope near the outlet through a dope passage in the casting die is reduced, and therefore the skinning doesn't occur in the casting dope.

Abstract: An extrusion die device for a molding machine includes an accumulator which includes a housing, a core extending into the housing, and a main passage formed between the core and the housing and having interconnected upper and lower passage sections. The upper passage section has inner and outer annular passages spaced apart radially from each other. A die head has a die orifice and a die exit connected to a bottom end of the lower passage section. An extruding unit includes an annular plunger disposed movably within the housing, and dividing the upper passage section into the inner and outer passage sections. Two differently colored plastics can be extruded by the single annular plunger from the inner and outer passage sections through the die head.

Abstract: The invention is an extrusion apparatus having a driven feed segment that is rotatably driven about central mandrel or within a housing member. Rotation of the driven feed segment subjects one or more streams of resin introduced onto a surface thereof to transverse shear during radial flow. One of more driven feed segments can be assembled with other components of conventional extrusion die assemblies. Extrusion die assemblies can include one or more driven feed segments rotated in the same or opposite direction of each other. The number of streams of resin and rotational speed of the driven feed segment can be controlled to produce microlayered film having in excess of 4000 layers.

Abstract: An extrusion molding system includes a die having a first opening with a unvariable shape and a second opening with a variable shape, an extruder which feeds resin to the die, and a gear pump arranged between the die and the extruder. An ECU conducts a first sequence control to change the shape of the second opening and a second sequence control to change the rotation speed of the first gear pump in synchronism with a change in the shape of the second opening.

Abstract: Material is extruded with a device comprising at least two stators (1,2) one within the other and, between them, a rotor (3) in the shape of a convergent cone, the material being extruded from the device by rotating the rotor (3). The rotor (3) comprises openings (9), through which the material is led. The stators (1,2) comprise continuous grooves (8) for conveying the material out of the device. The stator grooves (8) alternately become lower and deeper, said grooves (8) being arranged such that when the groove of the inner stator (1) is low, the point of the groove of the outer stator (2) on the other side of the rotor (3) at a corresponding point is deep and vice versa.