Abstract: In producing a product foamed molding by molding into a specified shape a foamed product obtained by foaming a kneaded product obtained by kneading a fibrous material with an aqueous solution, followed by drying, an aqueous solution in which a binder mainly composed of gelatin and/or glue having a jelly strength of 130 Bloom or more is dissolved is used as the aqueous solution, whereby the generation of depressions in a pockmark form on a surface of the product foamed molding can be prevented to increase the yield of the product, and the specific gravity of the product can be reduced, thus being able to produce the foamed molding such as a cushioning material excellent in elastic performance economically, continuously and in large amounts.

Abstract: A nozzle holder (14) with at least one nozzle (34′; 34″), which ends at a mouth (38′; 38″), is used for manufacturing baking articles (54) from an extruded strand (56). In order to manufacture baking articles (54) which extend in a plane, the nozzle (34′; 34″) is pivotably mounted by means of a joint with a ball (32) and its mouth (38′; 38″) is displaceable by a pivoting device (45) in two axes (X; Y) extending at right angles to one another. Furthermore, constructed in the ball (32) is at least one connecting duct (48′; 48″), of which one end is connected to a stationary feed duct (50′; 50″) and the other end to the pivotable nozzle (34′; 34″).

Abstract: In order to manufacture coiled baking articles with at least one outer dough material (58) and with at least one inner dough material (56) or dough filling, a nozzle arrangement (10) comprises an inner stationary nozzle (14) and an outer nozzle (18) rotatably enclosing the inner nozzle (14). A mouth (20) of the outer nozzle (18) is arranged behind the mouth (16) of the inner nozzle (14) in the direction of flow in such a manner that the materials flow together at the mouth (16) of the inner nozzle (14) and on the path to the mouth (20) of the outer nozzle (18) the inner material (56) is set in rotation by the outer material (58) and is thereby compressed.

Abstract: Molten resin material is continuously extruded from a first extruding hole extending in a width direction of a first extruding nozzle, and is passed through a second extruding nozzle which is arranged a front surface of the first extruding nozzle and has a second extruding hole at a position corresponding to the first extruding hole. The second extruding hole is a single extruding hole having a plurality of longitudinal rectangular openings arranged at the same pitch in the width direction, and a communicating section with which one end of the respective rectangular openings communicate, and the first extruding hole is a single extruding hole having coupling-element-molding openings arranged corresponding to the rectangular openings and a base-member-molding opening corresponding to the communicating section.

Abstract: The invention relates to an extrusion die assembly having a balanced flow path in which the die and tip modules cooperate to form an extended exit channel which communicates with an extrusion channel. The die is rotatably mounted on the die holder and the tip module is rotatably mounted within the axial bore. Each of the rotatably mounted components is independently driven by a motor. The motors are controlled to provide an infinite variation in relative rotational motion between the rotating components.

Abstract: An extrusion apparatus includes first and second die body portions each having a main body and a lip interconnected with the main body wherein the die body portions are joined such that a die outlet is formed between the lips. The apparatus also includes at least one pivoting link coupled to one of the lips and a sliding member coupled to the pivoting link whereby movement of the sliding member causes the pivoting link to pivot and move the one lip relative to the other lip.

Abstract: An extruder apparatus and method for producing an extruded tubing having varying inner dimensions without changing the outer dimensions. The tubing is forced from the die face of an extrusion head having an extruder die and an internal mandrel determining the outer and inner dimensions, respectively, of the extruded tubing. The outer dimensions of the mandrel varied by the user to change the inner dimensions of the extruded tubing. A pressure is maintained in the extruded tubing to prevent its collapse and that pressure is changed based upon the change of the external dimensions of the mandrel and the wall thickness of the tubing. In one embodiment, the mandrel is comprised of a core and a plurality of telescoping sleeves. Each sleeve is movable between a retracted position where the sleeve is displaced away from the die face and an extended position where sleeve is at the die face. There may be multiple mandrels in the case of multi-lumen catheters.

Abstract: An extrusion die for extruding biodegradable material, the extrusion die comprising: a mandrel; an outer member positioned near the mandrel; an extrusion orifice between the mandrel and the outer member; a member in communication with at least one defining member of the extrusion orifice, wherein the member is capable of producing relative movement between the outer member and the mandrel, wherein the relative movement has a component transverse to an extrusion direction of biodegradable material through the extrusion orifice; a flow control device which controls flow of biodegradable material through the extrusion die; and a positioning device which positions the outer member and the mandrel relative to each other.

Abstract: The invention relates to a rotating nozzle structure of an extruder which comprises a rotatable nozzle, a die, which rests against the extruder frame and which comprises an annular front surface on the nozzle side, and a sealing plate, which is arranged between the front surface of the die and the nozzle and pressed tightly against the sealing surface of the nozzle to seal the nozzle with respect to the die. According to the invention, the die is arranged to slide in the axial direction with respect to the extruder frame and comprises a flow channel, which is under pressure of the material to be extruded and tapers conically towards the nozzle, and that the ratio of the area (Atiiv) of the die's annular front surface to the area (Aproj) of the projection surface of the flow channel's conical section is between 0.1 and 10.

Abstract: A die module is constructed for an extrusion die which provides for the adjustment of the concentricity of the exit configuration by allowing relative movement of the die within the extrusion die assembly. The die is mounted on a die holder through a pair of mounting rings which fit into a recess in the die body. The rings are constructed with interface surfaces having a curvature with a center upstream. The interface surfaces form a seat within which the die holder is contained with mating surfaces engaging the interface surfaces to allow pivot motion about the center of curvature of the interface surfaces. The engaging surfaces are in the shape of a partial hemisphere to simulate a universal motion. Adjustment bolts are located in the extrusion die assembly downstream of the interface. Bolts, which secure the rings to the die holder, are constructed to provide a fixed spatial relation of the engaging surfaces.

Abstract: A fermented or yeast leavened dough is continuously fed to a plurality of nozzles and extruded and twisted into a plurality of continuous twisted dough ropes without substantially increasing the density of the dough. The dough is fed to the nozzles by an extruder or pump which supplies the dough at a substantially constant pressure without substantial surging of the dough. Each nozzle may produce a plurality of dough ropes which are twisted together to form a continuous twisted dough rope. By avoiding a substantial increase in dough density during extrusion and twisting, a hard, glassy texture in the baked product is avoided and a crispy, non-vitreous texture is achieved. The dough twisting apparatus includes a manifold having a plurality of dough passageways and extruder pipes which extend from the downstream ends of the dough passageways. A rotary die cup is mounted on each of the stationary extruder pipes. Each die cup contains one or more die orifices.

Abstract: A feedblock for supplying a multi-layer stream of polymeric material to an extrusion die is provided wherein the dimension of at least some of the layers of the multi-layer stream can be precisely adjusted and/or controlled. The feedblock includes a primary flow path which is used to create a first layer and two secondary flow paths which are used to create a set of second and third layers. The secondary flow paths are positioned relative to the primary flow path such that the second and third layers are deposited on opposing sides of the primary layer in a sandwich-like configuration. Each of the secondary flow paths include a contoured slot through which a secondary fluid stream of polymeric material is deposited onto a primary stream of polymeric fluid flowing in the primary flow path. The contoured slot is geometrically shaped such that adjusting the position of the contoured slot alters the shape of the secondary fluid stream as it is deposited onto the primary flow path.

Abstract: A thin-walled medical tubing comprising an elongated hollow tubular body which is open at both ends and extends continuously therebetween has a filler-containing resin layer in which the filler is oriented in a substantially circumferential direction with respect to the hollow tubular body. The tubing has excellent maneuverability, including pushability, ability to transmit torque, trackability and kink resistance, enabling it to be used as a sheath or catheter.

Abstract: An extrusion die having a first die element and a second die element, each of which has a die lip, between which an extrusion gap with a slot-shaped outlet opening extends over a width of the extrusion die. At least one die element has an adjusting device by which the die lip can be adjusted in relation to the die lip of the other die element while changing the width of the outlet opening. The adjusting device has an adjusting bar arranged in a receiving groove of the die element and displaceable in the width extension thereof in a displacement device.

Abstract: The molding method for molded surface fastener for molding a flat substrate and a plurality of first engaging elements integrally and continously using the same molding material. According to the method, a cooling/transportation means for cooling and transporting a molded surface fastener at the same time when it is molded is driven and rotated in one direction and molten resin material is extruded continuously onto a cooling/transportation face through a resin extrusion path which extends in a width direction of an extrusion nozzle and which is open to said cooling/transportation face of said cooling/transportation means and opens in a transportation direction thereof. At this time, a plurality of the first engaging-element-molding openings spaced in the width direction of said resin extrusion path are opened and closed by means of at least a vertically vibrating member disposed on a front face of said extrusion nozzle in a resin transportation direction thereof.

Abstract: An extrusion method and an extruder, the material to be extruded being fed with a material feeding device (1) into a radial pump unit included in the equipment. The radial pump unit comprises conical gearwheels (2) which are adjacently positioned and rotate in opposite directions. The radial pump unit transfers the material in an annular flow into the extruder's nozzle (4). Additional material (20) can be supplied into the product through the radial pump unit.

Abstract: A molding machine for producing a continuous extrusion molding product with varying profile includes a die with an inlet for receiving molten material, a channel, an outlet, and shaping knives rotatable around axes non-parallel to the flow direction of the molten material between first and second operational positions. Shaping knives have molding surfaces and together define a first contour in the outlet when the shaping knives are in their first operational positions, and define a second contour in the outlet when the shaping knives are in their second operational positions. Shaping knives can be rotated around axes perpendicular or oblique to the flow direction of molten material.

Abstract: An apparatus permits production of the complete monolithic cross flow trap module in a single extrusion process followed by firing to sinter the plasticized ceramic material and remove the plastics to achieve open porosity. Consequently, the trap modules can be made in large production quantities at minimal cost.

Abstract: An extruding machine for making multi-color mesh belts includes an injection block which has a single material feeding inlet and a material feeding tube which has a plurality of equally spaced material feeding passages. Each feeding passage has a color injection opening which engages with a color injection device. The formed mesh belts may have strips of different colors. The bottom end of the feeding tube may engage with a dividing block for controlling melting degree of the injecting color material.

Abstract: An extruder head has inner, middle, and outer annular outlets centered on a common axis and immediately adjacent one another, a flow splitter on the axis, first and second inlets axially upstream in an axial flow direction of the splitter, and a third inlet between the splitter and the outlets. A tubular inner passage centered on the axis extends in the direction from the first inlet around the splitter to the outer outlet and a tubular middle passage centered on the axis extends axially in the direction from the second inlet around the splitter to the middle outlet. An outer passage having an upstream portion axially downstream of the splitter extends transversely of the axis. A tubular downstream portion also axially downstream of the splitter extends coaxially around the inner and middle passages from the upstream portion to the outer outlet.

Abstract: The invention relates to an extrusion head (10) for a blow molding machine for producing two-layered hollow plastic bodies, including one or more extruders, connected to the extrusion head housing (12), for supply of molten plastic melt. In particular when using different plastic materials of different viscosities, it is very important to create for both materials substantially the same rheological flow conditions when distributed across the circumference to form a tubular parison.

Abstract: An improved method and apparatus is provided for extruding ePTFE tube for use in medical applications. A tube of PTFE is extruded, preferably in an extrusion process, using counter-rotated die components. The die component is maintained at a constant temperature during processing. The resulting green tube has enhanced fibrous state formation in a direction perpendicular to the direction of extrusion. The PTFE green tube is then subjected to secondary operations such as stretching and expansion to yield medical product. The ePTFE tube structure is defined by nodes interconnected by elongate fibrils. Both the nodes and fibrils are substantially randomly tilted with respect to the longitudinal axis of the tube. This particular structure yields a tube which exhibits a high degree of radial tear strength useful in medical applications.

Abstract: The present invention relates to an extrusion die assembly. Specifically, the present invention relates to an extrusion die assembly comprising a pair of extrusion dies wherein one extrusion die is disposed within the second extrusion die. The extrusion dies may comprise a plurality of extrusion die modules wherein at least one of the extrusion die modules incorporates a flat compression deal with a conical or otherwise angled spillover surface. Further, the present invention relates to a method for utilizing an extrusion die assembly comprising a pair of extrusion dies, each having at least one extrusion die module having a conical or otherwise angled spillover surface.

Abstract: The present invention discloses an extrusion die module having a flat compression seal surrounded by a conical or otherwise angled spillover surface. The die module promotes a flat surface to flat surface compression seal outside of the flow distribution channels and promotes better streamlined flow and material combination than a traditional flat disk die module. The die module promotes a reduced overall diameter and wetted diameter in comparison to standard flat disk dies. In addition, the present invention relates to an extrusion die module having a spillover surface surrounding a planar sealing surface. Further, the present invention relates to a method for utilizing an extrusion die module with a conical or otherwise angled spillover surface to minimize the die surface area wetted by an intermediate layer in a multi-layer coextrusion process.

Abstract: The present invention discloses an extrusion die module having a flat compression seal surrounding a conical or otherwise angled spillover surface. The die module promotes a flat surface to flat surface compression seal outside of the flow distribution channels and promotes better streamlined flow and material combination than a traditional flat disk die module. The die module promotes a reduced overall diameter and wetted diameter in comparison to standard flat disk dies. In addition, the conical or angled spillover surface is surrounded by the planar sealing surface. Further, the present invention relates to a method for utilizing an extrusion die module with a conical or otherwise angled spillover surface to minimize the die surface area wetted by an intermediate layer in a multi-layer coextrusion process.

Abstract: The present invention discloses an extrusion die module having a flat compression seal and a conical or otherwise angled spillover surface. The die module promotes a flat surface to flat surface compression seal outside of the flow distribution channels and promotes better streamlined flow and material combination than a traditional flat disk die module. The die module promotes a reduced overall diameter and wetted diameter in comparison to standard flat disk dies. Further, the present invention relates to a method for utilizing an extrusion die module with a conical or otherwise angled spillover surface to minimize the die surface area wetted by an intermediate layer in a multi-layer coextrusion process.

Abstract: The invention relates to a method and apparatus for method for fabricating a concrete product in a substantially horizontal slip-form casting process, in which method concrete mix is fed into a slip-form mold of a defined cross section moving progressively in the casting process so as to give a concrete product of a desired shape. The method is characterized by the measurement of the input power need of the concrete mix feed and compaction, whereupon the travel resistance of the casting machine is controlled based on the value of a measured process variable. The invention can eliminate quality variations in a slip-form cast product that are caused by changes in the density of the concrete mix and the travel resistance of the casting machine.

Abstract: A slot die for producing webs of a foamed plastics material, into which die plastics material which has been plasticized under elevated pressure in an extruder and charged with a blowing agent enters, and through the die gap of which the plastics material is extruded by foaming. The die gap is formed by a pair of rollers mounted in a laterally sealed manner in the slot die. This achieves the effect that an advantageous formation of outer layers already occurs ahead of the die gap before the start of foaming.

Abstract: A die is mounted within an extrusion die assembly to pivot with respect to the die body and thereby adjust the concentric position of the die with respect to the tip and the product to be coated. Spherical surfaces are formed in an intermediate support module to engage mating surfaces formed on the die holder. The spherical surface surround the die holder and are clamped together by screws which are limited in tightening, to avoid binding the pivotal movement between the spherical surfaces and the die holder.

Abstract: A rotary drive die nozzle machine for an extruder comprises at least one rotatable nozzle having at least three openings. A compression head directs food material from the extruder toward at least one rotating nozzle. A drive assembly including at least one drive gear rotates the at least one nozzle. The at least one nozzle is axially removable from the drive gear to allow replacement with nozzle openings of different sizes and shapes. The machine includes a series of seals to prevent the extruded food product from getting into the drive assembly and to prevent grease and other matter from the drive assembly from getting into the food material.

Abstract: The invention relates to an extrusion die assembly having a balanced flow path in which the die and tip modules cooperate to form an extended exit channel which communicates with an extrusion channel. The die is rotatably mounted on the die holder and the tip module is rotatably mounted within the axial bore. Each of the rotatably mounted components is independently driven by a motor. The motors are controlled to provide an infinite variation in relative rotational motion between the rotating components.

Abstract: An adjustable extrusion die shapes a melt into a non-circular cross-sectional profile form. The wall thickness of the profile is adjustable by moving two adjustment plates orthogonal to each other and transverse to the flow of the melt. Movement of each adjustment plate is restricted to prevent rotation relative to a melt-shaping bushing.

Abstract: This invention relates to a method and a device for producing blow-molded plastic hollow bodies. The device is of an enhanced design which avoids the shortcomings of traditional blow-molding technology. The extrusion die according to this invention is adjustable for different settings to produce different, partly overlapping wall thicknesses of the parison blank in order to compensate for the insufficiencies inherent in blow-molding and to obtain a finished blow-molded product with as consistent and uniform a wall thickness as possible, with an overlay, for instance in vertical wall sections, of evenly spaced longitudinal ribs. A technical concept is introduced whereby, as a novel process, the two conventional measures used to achieve a uniform wall thickness in the finished blow-molded hollow body are complemented by an additional, third step which makes it possible to produce containers whose hollow bodies are provided with targeted, intentional and reproducible irregular wall-thickness patterns.

Abstract: A cream depositor assembly has a depositor body in the form of a rotatable cylindrical stencil (11) provided with axially-spaced sets of circumferentially-spaced outlet ports (12). A recirculatory cream supply to the depositor body has a cream feed duct (27) fed by a pump (25), and a cream return duct (28). A cream diverting means (14) is housed within the interior of the stencil (11) and is operative to divert part of the cream flow from the feed duct (27) to an outlet passage (28), to supply the stencil. The illustrated diverting means (14) employs a flexible impeller (36), mounted eccentrically within a cylindrical rotor chamber, but a gear pump may be used.

Abstract: A die is mounted within an extrusion die assembly to pivot with respect to the die body and thereby adjust the concentric position of the die with respect to the tip and the product to be coated.

Abstract: A flow control device is mounted within a channel of an extrusion die, wherein the channel is defined by a base surface and a side surface normal to the base surface. The device includes a main body and an auxiliary body, wherein the main body includes a side portion that sealingly contacts the side surface of the channel when a force is exerted on the side portion, and the auxiliary body is in contact with the base surface of the channel. The device further includes a flexible membrane on a face opposite the auxiliary body which can influence the flow of material through the channel by moving in a direction perpendicular to the direction of material flow. A sealing apparatus is used to prevent leakage of material between the die and the flexible membrane. The sealing apparatus includes a gasket disposed adjacent an end surface of the membrane and means for causing the gasket to apply a force against the end surface such that the gasket seals against the membrane.

Abstract: An extrusion head for blow molding extruded plastic containers, with a ring gap nozzle having a mandrel and a ring-shaped nozzle body having an elastically deformable sleeve, and setting devices for radially deforming the elastic sleeve. The sleeve defines a nozzle gap, the width of which is variable by axially movement of the mandrel and/or of the nozzle body. The geometry of the gap can be changed by deforming the sleeve in the course of extrusion of a hose-like, pre-shaped blank. The sleeve is axially supported in the nozzle body, and/or on the mandrel only on segment-like surfaces.

Abstract: Molten resin material is continuously extruded from a first extruding hole extending in a width direction of a first extruding nozzle, and is passed through a second extruding nozzle which is arranged a front surface of the first extruding nozzle and has a second extruding hole at a position corresponding to the first extruding hole. The second extruding hole is a single extruding hole having a plurality of longitudinal rectangular openings arranged at the same pitch in the width direction, and a communicating section with which one end of the respective rectangular openings communicate, and the first extruding hole is a single extruding hole having coupling-element-molding openings arranged corresponding to the rectangular openings and a base-member-molding opening corresponding to the communicating section.

Abstract: The invention provides systems, methods, and articles useful in the production of foams, and, in particular microcellular foams. The systems include a restriction element that reduces the backflow of polymer melt in an extruder while polymeric material is injected into a mold or ejected from a die. The restriction element is positioned upstream of a blowing agent injection port to maintain the solution of polymer and blowing agent in the extruder above a minimum pressure throughout an injection or ejection cycle, and preferably above the critical pressure required for the maintenance of a single-phase solution of polymer and blowing agent. The systems can be used in injection molding, blow molding, or in any other processing techniques that include injection or ejection cycles. In some embodiments, the systems utilize reciprocating screws for injection or ejection.

Abstract: A method for manufacturing an extrudable product including the steps of (a) providing an apparatus including an extruder having at least one rotor with first grooves, at least one stator with second grooves and a clearance between the rotor and the stator, the first grooves, second grooves and clearance forming a processing cavity having a volume that is equal to the volumes of the first grooves, the second grooves and the clearance, the processing cavity having a cross-sectional area that decreases continuously along at least a part of an axis of the extruder, the extruder further having a supply for feeding a material to be extruded into the processing cavity; b) feeding the material to be extruded in a powder, pellet or granuate form into the processing cavity through the supply and causing rotation of the rotor relative to the stator such that the material is forced to proceed along an x-axis in a shear zone of the extruder where the material is subjected to a shear which causes a fictional heat that melt

Abstract: The die includes a central core and an annular ring arranged around the core, so as to define an annular slit for extruding a material, as well as a multiple number of inserts peripherally arranged around the ring and mechanically tied to the same, and device for heating the inserts independently from each other, so as to be able to change by thermal deformation of the inserts, the thickness of the annular slit. The inserts are radially arranged around the ring and attached to the structure of the machine on the inner side, next to the ring, while their free opposite extremities are free to radially slide so as to expand toward the out. Devices mechanically tie the inserts to the ring and devices heat and/or cool the inserts.

Abstract: An extrusion die for making shaped extrudate products has structure which defines a central duct which is convergent from a duct inlet opening to a duct outlet opening and has structure which defines a tubular extrusion duct co-axial with the central duct and which also is convergent from a duct inlet opening to a duct outlet opening. A feed diaphragm member has a portion which converges to an opening which opens to a distribution chamber which diverges so that substance being extruded is distributed to the central and tubular ducts. Diaphragms are provided in the ducts to delimit passage of extrudate substance into the ducts. Additionally, members are provided for altering the position of the central duct and its duct outlet relative to the second duct member and its outlet.

Abstract: The present invention relates to a multi-layer laminate comprising at least two layers of an oriented ultra-high molecular polyolefin layer and a thermoplastic resin layer. The multi-layer laminate exhibits excellent abrasion resistance, tensile strength, shock resistance, heat-sealing property, uniformity in the film thickness, and can be efficiently produced. The invention is further concerned with a process and an apparatus for producing the multi-layer laminate.

Abstract: The extrusion blow molding of hollow bodies is carried out with a wall thickness program which in addition to varying the gap width over the entire perimeter of the gap in accordance with a first program curve and varying the geometry of the gap in response to a second program curve, automatically enhances a profiling of the preform to increase differences between the thick and thin regions with the variation in geometry when the gap width is greater in a reference value and diminishes the profiling of the preform to decrease such differences when the gap width is less than the reference value.

Abstract: A method for extruding an extrudable material to form an extruded product, the method including the steps of (a) providing an extruder having a periphery and at least a first stator, an outer rotor and an inner rotor, the first stator being disposed between the outer rotor and the inner rotor to define at least two annular feed gaps disposed one within the other in a radial direction within the periphery of the extruder, a first of the at least two annular feed gaps being defined by the outer rotor and the first stator and being disposed outside of the first stator between the first stator and the outer rotor with the outer rotor being closer to the periphery than the first stator, the first feed gap being the outermost feed gap in the extruder, the extruder including a supply conduit for supplying the material to the first feed gap through the first stator; and (b) supplying the material to the at least two annular feed gaps, with at least a part of the material being supplied through the first stator to the

Abstract: An extruder for forming elongated articles made of a thermoplastic having a cross-section that varies along their length comprising a moveable means for defining an extrusion orifice.

Abstract: Method and apparatus for the continuous extrusion of rods of plastic raw material. The rods contain at least one inner channel which is at least in part spiral-shaped. The raw material may be a powder-metallurgical or ceramic mass. The material is extruded through a nozzle mouthpiece and made to rotate by an arrangement of flow guiding surfaces. At least one thread made of a flexible or elastic material is entrained and gives the rod a spiral shape with a predetermined pitch. The thread is retained upstream of the nozzle mouthpiece in an eccentric position relative to the rod axis that extends through the nozzle mouthpiece. The movement of rotation of the raw material is adjusted by an outer adjusting force which modifies the angle between the arrangement of flow guiding surfaces and the longitudinal axis of the nozzle mouthpiece to adjust the position and pitch of the spiral channel.

Abstract: The present invention relates to an apparatus for producing pipes of a moldable material, preferably plastic, comprising an extruder, a cylindrical mold comprising chill molds (4, 5), a mandrel (8) inside the extruder and a kernel (9) as an extension of the mandrel. The mandrel is attached at its front end to the extruder. The mandrel (8) and the kernel (9) can be kept concentric with the extruder and the mold if the mandrel and the kernel are joined to each other in such a manner that the angle between their center lines is adjustable.

Abstract: Extrusion arrangement for manufacturing bent workpieces, having an extrusion die which is guided in an extrusion chamber and compresses material situated in the extrusion chamber and presses it through a bottom die arranged on a head-side end of the extrusion chamber. At least two further bottom die elements are arranged behind the bottom die in a parallel adjoining manner and are displaceably and rotatably disposed such that their successive passage openings form an extrusion duct of a variable curvature and twisting. For producing hollow profiles, an arbor is provided in the interior of the extrusion chamber, whose extension extending through the outlet opening of the bottom die and into the passage openings of the bottom die elements consists of a plurality of segments which are movably connected with one another.

Abstract: A method of manufacturing the molding 1 comprising a forming process of preparing a molded material 100 which is used as a core metal 10 and has a uniform sectional configuration by forming a material of the core metal 10 into a predetermined configuration; a cut-off process of cutting off a part of the molded material 100 to prepare the core metal 10 whose sectional configuration is varied; and an extrusion process of variably extruding the synthetic resin 19 onto a surface of the core metal 10 by moving a movable die 41 according to the sectional configuration of the core metal 10, using an extruding die body 40 and the movable die 41 installed on the die body 40. According to this method, the adherence of the synthetic resin to the core metal can be reliably accomplished, and thus the molding-manufacturing method having a high productivity can be provided.