Abstract: The invention relates to a method for preparing food products by means of co-extrusion, wherein at least two casing material components are mixed to make a viscous gelling solution. This viscous gelling solution is subsequently co-extruded whereby the gelling solution is forming the external layer of an extruded strand of food dough. The invention also relates to a viscous gelling solution obtainable by such method as well as a system for co-extrusion of food products.

Abstract: A coating film is provided in a cable, a medical hollow tube, a molded article and a hollow tube. The coating film is formed from a rubber composition including a rubber component and fine particles. A static friction coefficient on a surface of the coating film is 0.5 or less. When the coating film is subjected to a testing such that a long fiber non-woven fabric including cotton linters including an alcohol for disinfection with a length of 50 mm along a wiping direction is brought contiguous to the surface of the coating film at a shearing stress of 2×10?3 MPa to 4×10?3 MPa, followed by wiping off the surface of the coating film at a speed of 80 times/min to 120 times/min and 20,000 repetitions thereof for a wiping direction length of 150 mm, a difference (an absolute value of a difference) between the static friction coefficients of the coating film before and after the testing is not greater than 0.1.

Abstract: A confectionery product is provided. The product includes a hollow body formed by at least one first material. Present on the outer surface itself of the product is a second material, different from said first material, which reproduces a decorative element. The hollow body comprises a first outer layer, formed by the first material and at least one second layer, formed by the second material, which is set internally, on the first layer. The first layer has an opening that allows a portion of the second layer to emerge on the outer surface, so as to form the decorative element. The first outer layer and the portion of the second layer together define the outer surface. The second layer coats the inner side of the first layer at least partially and at a position away from the opening.

Abstract: In the case of a die head and a process to produce multilayer tubular film made from thermoplastic polymers, the advantages of radial distributors and axial distributors should be combined. This is achieved in that at least one distributor is a plate distributor and at least one distributor is an axial distributor, whereby the plate distributor is located in an annular element of the axial distributor upstream of the melt merge zone to the ring-shaped die.

Abstract: An apparatus and method for post-extrusion filling and closing of an extrudate includes a feeder arranged in relation to an extruded rope of material flowing from an extrusion die of an extruder, wherein the rope of material has an opening that can receive a filler material. The feeder deposits the filler material into the opening of the rope of material as the rope of material flows by the feeder. A former receives the rope of material after the feeder has deposited the filler material into the opening of the rope. The former shapes the rope of material and close a portion or all of the rope around at least a portion of the deposited filler material to retain the filler material within the rope. A cutter may axially cut the rope to form the opening. A finisher may cut the shaped rope into portions containing the deposited filler material.

Abstract: The present disclosure relates to a nozzle system for use in a microfluidic production application for producing at least one of particles, capsules or fibers. The system has a main body portion having a compressed fluid inlet and a core fluid inlet, and a plurality of parallel arranged core fluid nozzles that receive the core fluid and create a plurality of core fluid streams. At least one compressed fluid inlet associated with the main body channels compressed fluid to areas adjacent ends of the core fluid nozzles. An apertured plate having a plurality of apertures is arranged near the ends of the core fluid nozzles, with each aperture being uniquely associated with a single one of the core fluid nozzles. The compressed fluid acts on the core fluid streams exiting the core fluid nozzles to help create, with the apertures, at least one of core fluid droplets or core fluid fibers from the core fluid streams.

Abstract: A system and methodology for rehydrating perishable items (e.g., flowers, fresh food items, such as fruits, vegetables, other produce, and nuts) during storage and transportation thereof. The osmotic rehydration apparatus includes a pressurized chamber, a humidifier, an ozone generator, an electrostatic sprayer, a reservoir containing saline, and an air compressor. The perishable items are placed in the osmotic chamber under positive pressure. A film of saline solution is applied to the surface of the perishable items via an electrostatic sprayer. The saline/chlorine film on the perishable items is dried, and the osmotic chamber is saturated with ozone gas via an ozone generator. The osmotic chamber is then saturated with tiny pure water droplets via a humidifier or an electrostatic sprayer. The pressure within the chamber is raised to a pressure above atmospheric pressure. The osmotic chamber is then placed inside a cooler at a temperature slightly above freezing.

Abstract: An edible composition, particularly an edible transport system, comprising an edible substance and a cross-linked matrix encapsulating the edible substance, the cross-linked matrix comprising (1) at least one edible polymer and edible particles or (2) a plurality of edible polymers.

Abstract: A blown-film extrusion apparatus for manufacturing a tubular polymer film comprises an extruder; a solidification ring for solidifying a tubular element produced by the extruder and for forming the film by delivering cooling air on the tubular element at a given cooling height, and a film conveyor for conveying the film upwards. The apparatus also comprises a delivery device for projecting correction air on the tubular element, in order to locally correct the thickness of the film, comprising a distribution chamber; a plurality of air delivery members with delivery channels whose delivery mouths are arranged about said axis of the apparatus for projecting correction air partial streams on respective angular correction positions, between the die and the cooling height; flow control elements between the distribution chamber, and the inlet of respective air delivery members, configured for adjusting the flowrate of the respective correction air stream according to an adjustment signal.

Abstract: A method for wrapping a stream of material or stream of layers of materials includes feeding a stream of material or stream of layers of materials into a die containing a wrapping deflector which acts to wrap the stream into a tubular or profile shape.

Abstract: A method for wrapping a stream of material or stream of layers of materials includes feeding a stream of material or stream of layers of materials into a die containing a wrapping deflector which acts to wrap the stream into a tubular or profile shape.

Abstract: A process for manufacturing a diesel tank or filler pipe by an extrusion-blow molding machine configured to manufacture a gasoline tank or filler pipe. The extrusion-blow molding machine includes a coextrusion head including at least one extruder configured to provide during a first period of time a first material that is a barrier to liquids and/or gases, such that during the first period of time the coextrusion head produces a first multilayer parison from which the gasoline tank or filler pipe can be manufactured. The extruder is further configured to provide during a second period of time a second material distinct from the first material, such that during the second period of time the coextrusion head produces a second multilayer parison from which the diesel tank or filler pipe can be manufactured.

Abstract: A method for manufacturing a hollow body, typically a tank, from a plastic material. The method includes molding a preform into shells in a molding tool; joining an insert to an inner surface of a shell of said shells, the insert defining a sub volume within the hollow body to be made; joining together the shells to form the hollow body by closing the molding tool and applying a main pressure to a main volume enclosed by the shells. It is proposed to apply a sub pressure to the sub volume while applying the main pressure to the main volume, such that a pressure difference between the main volume and the sub volume is bigger than 0.20 bar (P1??P2?>0.20 bar) and smaller than 3.00 bar (P1??P2?<3.00 bar).

Abstract: To provide a shutter piece in a food shaping device that is capable of opening and closing an enclosure surrounded by a plurality of shutter pieces, the shutter piece including a flexure allowance part between a rotation center position of a shutter piece and a distal end part of the shutter piece to allow flexure of a distal-end side portion of the shutter piece in the opposite direction from a closing opening direction during a closing operation of the shutter piece, in which the flexure allowance part is constituted by a slit, a cutaway part, or a hole, and the flexure allowance part includes a flexure-amount adjustment mechanism to adjust the amount of flexure of the distal-end side portion of the shutter piece.

Abstract: A cooking assembly, and a cooking station employing the cooking assembly, is disclosed. The cooking assembly comprises a flexible ring which is conformable to any one of a plurality of different predeterminedly structured templates, any one of which can be interchangeably utilized upon a food station, in order to provide cooked foods with predeterminedly different shapes or configurations as may be desired.

Abstract: A melt processing plant including a melt charger for charging a processing head, in particular a pelletizing head, with melt, is provided. Upstream of the processing head a diverter valve for discharging the melt during a starting and/or retooling phase is associated with the melt charger, and a portioning device for portioning the discharged melt into melt portions is associated to the diverter valve. A cooling device for cooling the melt portions to at least partly solidified chunks of material is also provided, the cooling device including a cooling bath having an associated belt conveyor with a first collecting belt portion inclined at an acute angle to the horizontal and extending through the level of the cooling bath for collecting chunks of solidified material.

Abstract: A method for producing a foodstuff, in particular sausages, produced by coextrusion, including extruding a paste mass, coextruding a casing, and where a bonding agent is fed between paste mass and coextruded casing.

Abstract: A device and a method for distributing residual air in a pasty mass, in particular for the production of sausages, with a housing comprising a flow channel and an inlet and outlet for the pasty mass, and with a distributor means for deflecting and mixing the pasty mass thoroughly in the flow channel, where the distributor means can be adjusted such that the mixing of the pasty mass can be adjusted.

Abstract: A method is provided for making a tubing, which includes forming a generally tubular inner layer by flowing a first material through an extrusion assembly. At least one non-tubular segment is formed along the length of the tubing by flowing a second material through the extrusion assembly. A generally tubular outer layer coaxial with the inner layer is formed by flowing a third material through the extrusion assembly. The segment is positioned between the inner and outer layers and oriented non-tangentially with an interface between the inner and outer layers. The resulting tubing, which may be suitable for medical applications, may have kink-resistant properties.

Abstract: An extrusion blow-molding method for plastic containers, for example, plastic bottles, is disclosed, wherein a one- or multi-layer plastic tube is extruded with a predetermined extrusion pressure through an annular gap, which is delimited by an extrusion die provided on an extrusion head and a axially adjustable mandrel and which can be adjusted with regard to the width thereof. The extruded plastic tube is introduced into a mold cavity of a blow-molding tool arrangement, blow-molded into a plastic container in accordance with the mold cavity by overpressure and then demolded. Additional plastic material is added in metered quantity to the extruded plastic tube at least in some regions in the direct vicinity of the mouth of the extrusion die.

Abstract: A seamless capsule manufacturing apparatus (1) manufactures a seamless capsule by means of nozzles (2a-2d). A core liquid (5) and a coating liquid (6) are supplied to each of the nozzles (2a-2d) from pumps (16, 18) through distributors (21, 22). The distributors (21, 22) and the nozzles (2a-2d) are connected to each other by core liquid distributing tubes (23a-23d) and coating liquid distributing tubes (25a-25d), and each of the core liquid distributing tubes (23a-23d) and each of the coating liquid distributing tubes (25a-25d) have the same length. A vibrator (24) is mounted to the distributor (21), and the core liquid (5) is supplied to the nozzles (2a-2d) while being vibrated. Each of the distributors (21, 22) is provided with an air vent device (35), and air vent is performed appropriately.

Abstract: An annular co-extrusion die for extruding multi-layer tubular plastic film has inner die mandrels stacked one upon another. Each die mandrel has a generally U-shaped cross-section with side walls extending substantially in parallel with the longitudinal axis of the die. The outer surfaces of the die side walls each have a series of helical shaped grooves formed therein. An annular outer die member surrounds the first inner die mandrel and the inner surface of the outer member and the outer surface of the first inner die mandrel form a longitudinally extending annular extrusion passage. Additional longitudinally extending annular extrusion passages are formed between outer and inner surfaces of nesting inner die mandrels.

Abstract: A gas assisted co-extrusion apparatus includes a co-extrusion die in communication with an extruder. A nozzle that is defined by a bore in the co-extrusion die extends about a nozzle axis to a nozzle exit of the co-extrusion die. An injector extends through the bore of the co-extrusion die along the nozzle axis. The injector and nozzle together form a dough into a rope that is tubular with a wall portion and an inner cavity surrounded by the wall portion as the dough is extruded out of the nozzle exit and about the injector. A compressed gas source provides a compressed gas out of an injector outlet and into the inner cavity of the rope to radially stretch the wall portion of the rope as the rope is dispersed from the injector. The co-extrusion die is spaced from the extruder to define a void therebetween. A delivery system delivers an entrainable material to the compressed gas in a pipe. The pipe is connected to an injector inlet of the injector in the void.

Abstract: In a crosshead, a pair of sheets (7) are formed by bisecting a parison (3) suspended from a resin flow passage (30) formed between a core (9) and a die (8) by causing a first dividing body (33) of a separator (5, 5a) provided on the core (9) or the die (8) to contact a second dividing body (40) provided on the core (9) or the die (8).

Abstract: A layer sequence repeater module for a co-extrusion die includes a cell formed of a plurality of thin annular disks stacked on top of each other in an axial direction of the co-extrusion die. Each disk includes a plurality of openings aligned with openings in the adjacent disks, thus forming multiple inner and outer melt passages. At least one of the layer sequence repeater module includes at least one first cap disk, at least one second cap disk, at least one distribution disk, at least one repeater disk and at least one spreader disk. The layer sequence repeater module may be a separately assembled and individually removable module of the co-extrusion die. Alternatively or additionally, the layer sequence repeater module may be incorporated into a module of the co-extrusion die.

Abstract: A triple parison flowhead apparatus for producing three multi-layer parisons simultaneously. The triple parison flowhead includes a first parison flowhead, a second parison flowhead, and a third parison flowhead substantially abutted to one another. Each flowhead includes a plurality of rings having flow passages, defining a center axis, and having an annular flow conduit in fluid communication with the flow passages and a plurality of ports. A set of mold plattens having a width is located adjacent to the first, second, and third parison flowheads. The flow passages in each ring are defined by a height and a diameter of each ring, and a combination of the width of the mold plattens and the flow passages minimizes the center-to-center distances between the three parison flowheads.

Abstract: Methods and systems for co-extruding multiple polymeric material flow streams into a mold cavity to produce a molded plastic article having an injection-formed aperture in gate region of the article are disclosed herein. A method includes providing a valve pin having a distal portion with a first diameter and a mid-portion with a second diameter smaller than the first diameter and providing a mold defining a cavity corresponding to a shape of a resulting molded plastic article. The mold has a recess aligned with a gate region of the mold, extending into the mold and configured to receive the distal portion of the valve pin when the distal portion of the valve pin extends beyond the gate region.

Abstract: An extrusion apparatus for extruding multiple streams of extrusion material as extruded end-products and in the coating of substrates. A flow joiner in an extrusion head combines multiple metered streams such as from a gear pump, into a uniform extrusion flow.

Abstract: An apparatus for the continuous production of a twin wall pipe has mold block halves supplied in pairs to form a mold, and a pipe head, which has an external nozzle for the extrusion of an external hose and an internal nozzle for the extrusion of an internal hose. A support air and venting channel which is annular-cylindrical and concentric with respect to the center longitudinal axis of the pipe head opens out between the external nozzle and internal nozzle.

Abstract: In an elastomeric tube and a method for making such a tube, two medical-grade silicone rubber compositions are coaxially coextruded to form a tube. The compositions respectively differ in at least one physical property and respectively have similar curing conditions. The two compositions are blended at an interface formed between the two compositions during the coextruding, so that between 1-99% of the tube forms a blended gradient. The coextruded tube is then cured.

Abstract: A large concentric co-extrusion die (1) is described having a plurality of annular or conical die mandrel layers (201-205). Each layer is formed between a pair of adjacent annular or conical die mandrels (101-106) defining between them a flow path for molten thermoplastics material from an inlet to an annular extrusion outlet (110) through which a thermoplastics tubular extrusion is formed in use. Extrusion takes place through the multiple annular layer outlets (301-305) to form a multi-layered product. At least one layer (203) of the annular or conical die mandrels has a plurality of molten material inlets arranged around the external circumference of the co-extrusion die with each inlet being connected to a feed channel (403) which has plural bifurcations (403.1, 403.2, 403.3) providing 2n subsidiary outlet feed channels (503) where n is the number of bifurcations. Each subsidiary outlet feed channel being connected to a corresponding helical outlet channel (703).

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 relates to a device for producing concrete blocks, particularly paving stones, building blocks or the like, comprising a storage container forming a receiving chamber for a plurality of layers of concrete in different colors. Dispensing means are provided, in order to dispense partial amounts of the layers from the receiving chamber such that a release device connected downstream receives a mixture of the layers of concrete in different colors. At least a partial section of a side wall of the receiving chamber is provided with at least one dispensing opening for dispensing a partial amount of the layers. The size of the passage of the dispensing opening can be varied by the dispensing means.

Abstract: A problem to be solved by this invention is to control the above-described problem of delamination in the laminated and biaxially drawn, blow molded bottle.

Abstract: Die tooling is formed by forming a series of passages extending in the length of the tooling where each passage has a circumference defined within a body member of the tooling. Preferably the passages are primarily formed using a drilling procedure. The passages define a predetermined pattern of outlets adjacent the extrusion outlet or outlets. The passages between the inlets and outlets can be formed in a series of connected body members with each passage extending through each body member. Die tooling of this design is more robust and cost effective to manufacture.

Abstract: A multi-layer structure comprising a functional resin layer obtained by covering a core layer of a base body resin or a second functional resin with a shell layer of a first functional resin, and a base body resin layer containing the functional resin layer therein. The layers of the functional resins are formed at positions where they are allowed to exhibit their functions to a sufficient degree, a plurality of functions can be imparted, and a molten resin mass having the above multi-layer structure can be formed by the compression-forming.

Abstract: A multi-layer extrusion die assembly includes a body, a main bore extending longitudinally through the assembly, a core tube, and a plurality of dies. The extrusion die assembly is configured to receive an input stream of material and divide the input stream into a plurality of material streams. Each die is configured to receive one or more of the material streams and to form a single continuous layer of material about the core tube. The layer formed by each die has one or more weld lines running longitudinally along the layer. The dies are arranged along the core tube such that a plurality of concentric layers of material is formed around the core tube. Each die is rotated axially with respect to adjacent dies such that the weld lines of the layer formed by one die.

Abstract: A system is disclosed for manufacturing multi-wall corrugated polymer pipe. The system includes an extruder configured to co-extrude concentric annular tubes; a corrugator configured to form the concentric annular tubes into a dual-wall pipe having a smooth wall and a corrugated wall; a cross-head die configured to extrude an outer wall of pipe onto the corrugated wall of the dual-wall pipe; a vacuum punch configured to penetrate the outer wall of pipe and draw a vacuum between the corrugated wall and the outer wall, such that the outer wall of pipe deforms inward toward the corrugated wall of pipe between bell and spigot portions of the corrugated wall; and a cutter configured to cut the pipe into sections where the vacuum punch deformed the outer wall between the bell and spigot portions of the corrugated wall. A method of manufacturing multi-wall corrugated polymer pipe is also disclosed.

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: Disclosed are multilayer film structures having annular profiles, and methods and apparatus of making the structures disclosed. The annular multilayer articles have a uniform thickness, at least four layers and comprise overlapped and non-overlapped circumferential areas; wherein the layer structure of the non-overlapped area is doubled in the overlapped layer. A method of making the structure includes providing a multilayer flow stream with at least four layers of thermoplastic resinous materials; feeding the multilayer flow stream to a distribution manifold of an annular die to form an annular multilayer flow stream; and removing the annular multilayer flow stream from the annular die to form the annular multilayer structure.

Abstract: A resin molding device which molds a resin tube 1 from a molten resin has a tube molding portion 14 and a spindle 15 as jigs which define inner and outer diameters of the resin tube.

Abstract: The invention relates to a device for extruding plastic profiles, preferably plastic tubes, to which plasticized bulk plastic can be fed, and comprising a plurality of ring channels (5) combined by means of a flow conjunction (4) to a common melt channel (2). According to the invention, the tool (1) is divided into three functional areas, wherein the three functional areas are a distribution area (7), a cooling area (8), and a forming area (9), wherein cooling channels (3) are disposed about the ring channels (5) in the cooling area (8).

Abstract: A method and apparatus is provided for distributing material through a multilayer pipe extrusion die. A first flow passageway, having a first cross-sectional area and extending along a first flow direction, may be connected to a second flow passageway, having a second cross-sectional area substantially the same as the first cross-sectional area of the first flow passageway, to provide a second flow direction different from the first flow direction of the first flow passageway. A conical passageway may extend from the second passageway toward a dispensing outlet. Material may be distributed from the first flow passageway into the second flow passageway. The method and apparatus may generally maintain the same flow properties of the material at a point before and after the connection of the first flow passageway and the second flow passageway. The flow properties of the material may be altered proximate to the outlet.

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: A die for coextruding a plurality of fluid layers generally includes a primary forming stem, one or more distribution plates, and a microlayer assembly. The microlayer assembly includes a microlayer forming stem and a plurality of microlayer distribution plates.

Abstract: An apparatus for the continuous production of a twin wall pipe has mold block halves supplied in pairs to form a mould, and a pipe head, which has an external nozzle for the extrusion of an external hose and an internal nozzle for the extrusion of an internal hose. A support air and venting channel which is annular-cylindrical and concentric with respect to the centre longitudinal axis of the pipe head opens out between the external nozzle and internal nozzle.

Abstract: A method for the production of a plastics pipe (9) comprising an inner core and an outer removable skin bonded thereto, which method comprises co-extruding molten polymeric materials forming the inner core and the outer removable skin layer from one or more extruder dies, bringing the polymeric materials together and allowing them to solidify, and conditioning the solidified polymeric materials at a temperature and for a time sufficient to influence the adhesion of the outer skin layer to the inner core, such that on cooling the adhesion of the outer skin layer to the inner core is sufficient to prevent substantial undesired relative movement between the skin layer and the core during installation of the pipe (9), but insufficient to prevent the outer skin layer from being clearly removed by peeling, at least at the ends of the pipe (9), and insufficient to cause a substantial reduction in the impact strength of the inner core.

Abstract: A method for preparing coated binder units wherein the coated binder units comprise a core of binder coated with a layer of coating material, wherein the binder is a bituminous binder or a synthetic binder comprising a resin, an oil and optionally a polymer, which method comprises the steps of: (a) supplying the binder and the coating material to an co-extrusion device which comprises an even number of pairs of inner and outer dies, whereby the binder is supplied to the inner dies and the coating material is supplied to the outer dies; (b) co-extruding the binder and the coating material by means of the co-extrusion device, thereby producing streams of extrudate in which the binder is coated with a layer of the coating material; and (c) optionally, shaping the streams of extrudate, into units of the coated binder. The invention further relates to the co-extrusion device.

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 the extruder for supplying a mash to said elongated extrusion member. An extrusion die is supported on a front of the elongated extrusion member. The extrusion die includes an extrusion outlet formed therein. A filling tube is mounted on a rear of the elongated extrusion member and is attachable in fluid communication with the extruder for supplying a filling to the filling tube. A cutter member has a drivable end and a cutter blade with a cutting surface for cutting extrudate to a desired length as the extrudate exits the extrusion die. 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 blade over and away from the outlet of the extrusion die.

Abstract: Medical articles having a body member including natural biodegradable polysaccharides are described. The body member is formed from a plurality of natural biodegradable polysaccharides having pendent coupling groups. The body member can also include a bioactive agent which can be released to provide a therapeutic effect to a patient.