Warmwalzen mit flexibler Konfiguration der Walzgerüste

Eine Warmwalzstraße weist zumindest ein erstes und ein letztes Walzgerüst (1a, 1d) auf. In der Warmwalzstraße werden nacheinander ein erstes und ein zweites Metallband (2, 5) gewalzt. Abschnitte der Metallbänder (2, 5) durchlaufen jeweils zuerst das erste und erst danach das letzte Walzgerüst (1a, 1d) der Warmwalzstraße. Das letzte Walzgerüst (1d) wird zwischen dem Walzen des ersten Metallbandes (2) und dem Walzen des zweiten Metallbandes (5) von einem Quartogerüst zu einem Sextogerüst oder umgekehrt umgerüstet, so dass das letzte Walzgerüst (1d) während des Walzens des ersten Metallbandes (2) als Quartogerüst mit Arbeitswalzen (3) und Stützwalzen (4) und während des Walzens des zweiten Metallbandes (5) als Sextogerüst mit Arbeitswalzen (6), Zwischenwalzen (7) und Stützwalzen (4) konfiguriert ist.

Method for the pretreatment, reprocessing or recycling of thermoplastic material

The invention relates to a method for the pretreatment, reprocessing or recycling of thermoplastic material, wherein the plastic material to be treated is heated in at least one receptacle or reactor while undergoing constant mixing or movement and/or comminution at a temperature below the melting temperature of the plastic material, and as a result is at the same time crystallized, dried and/or purified, wherein at least one rotatable comminuting or mixing tool, with working edges that act on the material with a comminuting and/or mixing effect, is used for the mixing and/or heating of the plastic material, the heating taking place in particular by applying mechanical energy.

Apparatus for pretreatment and subsequent conveying, plastification or agglomeration of plastic material

Disclosed in an apparatus for the processing of plastics, with a container with a rotatable mixing implement, wherein a conveyor being provided, with a screw rotating in a housing, wherein the imaginary continuation of the longitudinal axis of the conveyor in a direction opposite to the direction of conveying passes the axis of rotation, there being, on the outflow side, an offset distance between the longitudinal axis and the radius that is parallel to the longitudinal axis, and wherein the smallest possible distance (ms) between the implement and screw is described by the following relationship: ms≦k*d+K, where d is the diameter of the screw in mm, K is a factor in the range from 20 to 100, more particularly 20 to 80, k is a factor in the range from 0.03 to 0.4, more particularly 0.04 to 0.25.

Warmwalzen mit flexibler Konfiguration der Walzgerüste

Eine Warmwalzstraße weist zumindest ein erstes und ein letztes Walzgerüst (1a, 1d) auf. In der Warmwalzstraße werden nacheinander ein erstes und ein zweites Metallband (2, 5) gewalzt. Abschnitte der Metallbänder (2, 5) durchlaufen jeweils zuerst das erste und erst danach das letzte Walzgerüst (1a, 1d) der Warmwalzstraße. Das letzte Walzgerüst (1d) wird zwischen dem Walzen des ersten Metallbandes (2) und dem Walzen des zweiten Metallbandes (5) von einem Quartogerüst zu einem Sextogerüst oder umgekehrt umgerüstet, so dass das letzte Walzgerüst (1d) während des Walzens des ersten Metallbandes (2) als Quartogerüst mit Arbeitswalzen (3) und Stützwalzen (4) und während des Walzens des zweiten Metallbandes (5) als Sextogerüst mit Arbeitswalzen (6), Zwischenwalzen (7) und Stützwalzen (4) konfiguriert ist.

Process for Producing a Filled Polymer Material

The invention relates to a method for producing a thermoplastic polymer material that is filled with at least one filler, preferably calcium carbonate CaCO3, sensitive to hydrolytic degradation and optionally hygroscopic, and produced by way of polycondensation, particularly PET, wherein under vacuum conditions, constant stirring or mixing and an increased temperature, a mixture of not yet melted, optionally softened, polymer material comprising the filler is produced, wherein for this purpose a filler, which at the time of addition has not been pre-dried and has a residual moisture (H2O) of more than 500 ppm, particularly more than 1000 ppm, is used.

Method for preparing and detoxifying using liquid rinsing medium

The present invention concerns a method for processing and detoxification of a material, especially a thermoplastic material, and for removal of contaminants or impurities from this material, wherein the material is heated under vacuum in at least one receiving tank, mixed and possibly comminuted, and wherein a rinsing medium is introduced into the receiving tank beneath the material level, conducted through at least a partial region of the material, and the rinsing medium enriched or saturated with contaminants is brought out from the receiving tank once more. According to the invention, the quantity of rinsing medium introduced into the receiving tank is less than 0.1 liter per hour per kilogram of material or material throughput per hour, while at the same time the vacuum in the receiving tank is kept constantly below 100 mbar.

APPARATUS FOR PROCESSING PLASTICS MATERIAL

PROCESS FOR PRODUCING A FILLED POLYMER MATERIAL

The invention relates to a method for producing a thermoplastic polymer material that is filled with at least one filler, preferably calcium carbonate CaCO 3 , sensitive to hydrolytic degradation and optionally hygroscopic, and produced by way of polycondensation, particularly PET, wherein under vacuum conditions, constant stirring or mixing and an increased temperature, a mixture of not yet melted, optionally softened, polymer materials comprising the filler is produced, wherein for this purpose a filler, which at the time of addition has not been predried and has a residual moisture (H 2 O) of more than 500 ppm, particularly more than 1000 ppm, is used.

APPARATUS FOR PROCESSING PLASTIC MATERIAL

Disclosed in an apparatus for the processing of plastics, with a container with a rotatable mixing implement, wherein a conveyor being provided, with a screw rotating in a housing, wherein the imaginary continuation of the longitudinal axis of the conveyor in a direction opposite to the direction of conveying passes the axis of rotation, there being, on the outflow side, an offset distance between the longitudinal axis and the radius that is parallel to the longitudinal axis, and wherein the smallest possible distance (ms) between the implement and screw is described by the following relationship: ms≦k*d+K, where 111310. An apparatus for the pretreatment and subsequent conveying , plastification or agglomeration of plastics , in particular of thermoplastics waste for recycling purposes , with a container () for the material to be processed , where the arrangement has , in the container () , at least one mixing and/or comminution implement () which rotates around an axis () of rotation and which is intended for the mixing , heating and optionally comminution of the plastics material ,{'b': 8', '1', '9', '1', '3, 'where an aperture () through which the pretreated plastics material can be removed from the interior of the container () is formed in a side wall () of the container () in the region of the level of the, or of the lowest, mixing and/or comminution implement () that is closest to the base,'}{'b': 5', '5', '6', '16', '16', '7', '80', '6', '80', '8, 'where at least one conveyor (), in particular one extruder (), is provided to receive the pretreated material, and has at least one screw () which rotates in a housing () and which in particular has plastifying or agglomerating action, where the housing () has, located at its end () or in its jacket wall, an intake aperture () for the material to be received by the screw (), and there is connection between the intake aperture () and the aperture (),'}wherein{'b': 15', '5', '6', '80', '17', '5', '10', '12', '3', '18 ...

METHOD FOR PREPARING AND DETOXIFYING USING LIQUID RINSING MEDIUM

The present invention concerns a method for processing and detoxification of a material, especially a thermoplastic material, and for removal of contaminants or impurities from this material, wherein the material is heated under vacuum in at least one receiving tank, mixed and possibly comminuted, and wherein a rinsing medium is introduced into the receiving tank beneath the material level, conducted through at least a partial region of the material, and the rinsing medium enriched or saturated with contaminants is brought out from the receiving tank once more. According to the invention, the quantity of rinsing medium introduced into the receiving tank is less than 0.1 liter per hour per kilogram of material or material throughput per hour, while at the same time the vacuum in the receiving tank is kept constantly below 100 mbar. 1. A method for processing and detoxification of a material , especially a thermoplastic material , and for removal of contaminants or impurities from this material , wherein the material is heated under vacuum in at least one receiving tank , mixed and possibly comminuted , and wherein a liquid rinsing medium is introduced into the receiving tank beneath the material level , conducted through at least a partial region of the material , and the liquid rinsing medium enriched or saturated with contaminants is brought out from the receiving tank once more , wherein the quantity of rinsing medium introduced into the receiving tank is less than 0.1 liter per hour per kilogram of material or material throughput per hour , while at the same time the vacuum in the receiving tank is kept constantly below 100 mbar.2. Method according to claim 1 , characterized in that the vacuum is held permanently below 50 mbar claim 1 , in particular claim 1 , between 10 and 20 mbar claim 1 , preferably under 2 mbar.3. Method according to claim 1 , wherein the liquid rinsing medium evaporates immediately after entering the receiving tank.4. Method according to ...

Apparatus for processing plastics material

Disclosed is a device and a method for processing plastic material with at least one receiving container, wherein at least one mixing and/or comminution tool, rotatable about a rotation axis, is arranged, for mixing and warming the plastic material, and with at least one conveyor for discharging the plastic material from the receiving container, with at least one screw rotating in a housing, where the conveyor is connected, at its material inlet side via an opening which is formed in a side wall of the receiving container, with the interior of the receiving container. An imaginary extension of the central longitudinal axis of the conveyor extends, against the conveyance direction of the conveyor, past the rotation axis of the receiving container, without intersecting this axis, where the longitudinal axis of the conveyor is offset by a separation relative to the radial ray of the receiving container on the discharge side.

Rotor disk

The invention relates to a rotor disk (1) for inserting into a receiving container (2) for treating polymers, comprising a disk body (3), on the upper face (4) of which mixing and/or comminuting tools (5) can be provided and on the opposite lower face (6) of which a number of conveying ribs (7) extending from the inside out is provided, by means of which conveying ribs polymer particles can be conveyed outward during operation or which conveying ribs exert a force directed outward from the center (8) of the rotor disk (1) on the polymer particles caught by the conveying ribs (7) during operation. According to the invention, the thickness of the disk body (3) is reduced toward the outside.

Method and device for producing semicrystalline polymer material

The present invention relates to a method for producing semicrystalline polymer material, wherein the predominantly amorphous raw polymer material, in particular granules, to be treated is introduced into a crystallization reactor () and is partially crystallized there by being heated, but without melting, and subsequently the semicrystalline polymer material obtained in such a way is removed from the crystallization reactor () and at least part of said semicrystalline polymer material is diverted and mixed back into the crystallization reactor () in order to reduce the adhesive tendency of the polymer material. According to the invention, the diverted semicrystalline polymer material is combined and mixed with the raw polymer material before being mixed back into the crystallization reactor (), and the mixture is then introduced into the crystallization reactor (). 11111. A procedure for producing partially crystalline or semi-crystalline polymer material , whereby the mostly amorphous raw polymer material to be treated , which in particular consists of granules , is fed into a crystallization reactor () where it is at least partially crystallized while being heated , but without melting , and whereby furthermore the thus obtained polymer material is again removed from the crystallization reactor () , and at least some of this partially crystalline or semi-crystalline polymer material is separated and re-mixed in the crystallization reactor () to reduce its tendency to sticking , characterized in that the separated partially crystalline or semi-crystalline polymer material is combined and mixed with the raw polymer material prior to re-mixing in the crystallization reactor ().214. The procedure according to claim 1 , characterized in that the combination and mixing of the separated partially crystalline or semi-crystalline polymer material occurs in a region outside the crystallization reactor () claim 1 , in particular in an add-on socket ().31315. The procedure ...

METHOD FOR PREPARING AND DETOXIFYING

The present invention concerns a method for processing and detoxification of a material, especially a thermoplastic material, and for removal of contaminants or impurities from this material, wherein the material is heated under vacuum in at least one receiving tank (), mixed and possibly comminuted, and wherein a rinsing medium is introduced into the receiving tank () beneath the material level, conducted through at least a partial region of the material, and the rinsing medium enriched or saturated with contaminants is brought out from the receiving tank () once more. 111111. Method for processing and detoxification of a material , especially a thermoplastic material , and for removal of contaminants or impurities from this material , wherein the material is heated under vacuum in at least one receiving tank () , mixed and possibly comminuted , and wherein a rinsing medium is introduced into the receiving tank () beneath the material level , conducted through at least a partial region of the material , and the rinsing medium enriched or saturated with contaminants is brought out from the receiving tank () once more , characterized in that the quantity of rinsing medium introduced into the receiving tank () in the case of a gaseous rinsing medium is less than 5 Nm , especially less than 0.1 Nm , (normal cubic meters Vn per DIN 1343) per hour per kilogram of material or material throughput per hour , and in the case of a liquid rinsing medium it is less than 0.1 liter per hour per kilogram of material or material throughput per hour , while at the same time the vacuum in the receiving tank () is kept constantly below 100 mbar.2. Method according to claim 1 , characterized in that the vacuum is held permanently below 50 mbar claim 1 , in particular claim 1 , between 10 and 20 mbar claim 1 , preferably under 2 mbar.3. Method according to claim 1 , characterized in that the rinsing medium is a gaseous substance claim 1 , especially air claim 1 , carbon dioxide claim 1 ...

Method and Device for Introducing Additive Materials

The invention relates to a method and a device for introducing and/or adding non-dry-powder additive materials and/or coating materials with a liquid, solid, semi-solid, or paste-like consistency or in suspended or emulsified form, for example, peroxides, fats, waxes, IV improvers, polymers, or similar materials, to an existing lumpy or particulate material which is moved and mixed, and optionally warmed and reduced to small pieces in a receptacle and/or compressor (1), said material being in particular polymer particles and/or flakes, wood fibers, paper cuttings, or similar materials. According to the invention, the additive material is introduced below the level of the material and/or material particles already in the receptacle (1).

Apparatus for the pretreatment and subsequent conveying, plastification, or agglomeration of plastics

The invention relates to an apparatus for the pretreatment and subsequent conveying or plastification of plastics, with a container with a mixing and/or comminution implement that is rotatable around an axis of rotation, wherein, in a side wall, an aperture is formed, through which the plastics material can be removed, a multiscrew conveyor being provided, with at least two screws rotating in a housing, wherein the imaginary continuation of the longitudinal axis of the conveyor in a direction opposite to the direction of conveying passes the axis of rotation, where, on the outflow side, there is an offset distance between the longitudinal axis of the screw closest to the container, on the outflow side, and the radius that is parallel to the longitudinal axis, and in that the screws co-rotate.

METHOD FOR PREPARING AND DETOXIFYING

Method and device for producing semicrystalline polymer material

The present invention relates to a method for producing semicrystalline polymer material, wherein the predominantly amorphous raw polymer material, in particular granules, to be treated is introduced into a crystallization reactor (1) and is partially crystallized there by being heated, but without melting, and subsequently the semicrystalline polymer material obtained in such a way is removed from the crystallization reactor (1) and at least part of said semicrystalline polymer material is diverted and mixed back into the crystallization reactor (1) in order to reduce the adhesive tendency of the polymer material. According to the invention, the diverted semicrystalline polymer material is combined and mixed with the raw polymer material before being mixed back into the crystallization reactor (1), and the mixture is then introduced into the crystallization reactor (1).

Filtering device for fluids

The present invention relates to a filtering device for fluids, in particular thermoplastics, comprising a screen carrier ( 2 ) which has a rotationally cylindrical outer face ( 41 ) and is mounted rotatably in a rotationally cylindrical recess ( 5 ), adapted to its circumference, of a stationary housing ( 3 ) and in which a number of screening nests ( 6 ) having filter arrangements ( 7 ) are formed along its circumference. According to the invention, there is provision whereby the screen carrier ( 2 ) is penetrated by a rotationally cylindrical core part ( 1 ) and is mounted rotatably on this, the core part ( 1 ) and the housing ( 3 ) being designed to be stationary and fixed in terms of rotation with respect to the rotatable screen carrier ( 2 ).

APPARATUS FOR PROCESSING PLASTICS MATERIAL

Apparatus for processing plastic material

Disclosed is an apparatus for the processing of plastics, with a container with a mixing implement rotatable around an axis of rotation, wherein, in a side wall, an aperture is formed, through which the plastics material can be removed, and a conveyor, with a screw rotating in a housing, wherein the imaginary continuation of the longitudinal axis of the conveyor in a direction opposite to the direction of conveying passes the axis of rotation, and wherein the L/D ratio of the screw is ≧7, and wherein the setting angle (γ) of the radially outermost mixing implement, closest to the base, complies with the following relationship: γ=k*d+K, where d is the diameter of the screw in mm, K is a factor in the range from 15 to 35, k is a factor in the range from 0.08 to 0.2.

ROTOR DISK

Rotor disk

The invention at hand relates to a rotor disk (1) to be inserted into a receptacle (2) for the treatment of polymers, having a disk body (3) on whose top side (4) mixing and/or comminuting tools (5) are providable and on whose opposite underside (6) a number of conveying ribs (7) extending from the interior to the exterior are provided with which during operation polymer particles are transportable towards the exterior or, respectively, that during operation exert a force directed from the center (8) of the rotor disk (1) towards the exterior on the polymer particles grasped by the conveying ribs (7). In accordance with the invention it is provided that the conveying ribs (7) are curved concavely in the direction of rotation or, respectively, of movement.

Rotor Disk

The invention relates to a rotor disk (1) for inserting into a receiving container (2) for treating polymers, comprising a disk body (3), on the upper face (4) of which mixing and/or comminuting tools (5) can be provided and on the opposite lower face (6) of which a number of conveying ribs (7) extending from the inside out is provided, by means of which conveying ribs polymer particles can be conveyed outward during operation or which conveying ribs exert a force directed outward from the center (8) of the rotor disk (1) on the polymer particles caught by the conveying ribs (7) during operation. According to the invention, the thickness of the disk body (3) is reduced toward the outside.

PROCESS AND DEVICE FOR INTRODUCING ADDITIVE MATERIALS IN A RECEPTACLE AT THE AREA OF HIGHEST PRESSURE

The invention relates to a method and a device for introducing and/or adding non-dry-powder additive materials and/or coating materials with a liquid, solid, semi-solid, or paste-like consistency or in suspended or emulsified form, for example, peroxides, fats, waxes, IV improvers, polymers, or similar materials, to an existing lumpy or particulate material which is moved and mixed, and optionally warmed and reduced to small pieces in a receptacle and/or compressor (), said material being in particular polymer particles and/or flakes, wood fibers, paper cuttings, or similar materials. According to the invention, the additive material is introduced below the level of the material and/or material particles already in the receptacle (). 1. A device for introducing and adding non-dry particulate , additives , or coating stuffs of a liquid , solid , semi-solid , or pasty consistency to a lumpy or particulate material , the device comprising: a lateral wall,', 'at least one mixing tool disposed inside the receptacle or cutting condenser, wherein the at least one mixing tool moves the material, and, 'at least one receiving receptacle or cutting condenser comprisingat least one feeding device for adding the particulate, additives, or coating stuffs, wherein said feeding device is disposed on the lateral wall and displaced vertically above an upper edge of the mixing tool such that a vertical gap is present between the feeding device and the mixing tool upper edge, and wherein said feeding device is arranged in a region of the lateral wall such that during operation the at least one mixing tool is operated to move the material above the gap to communicate with the feeding device such that said material exerts maximum pressure onto the region of the lateral wall where said feeding device is positioned.2. The device according to claim 1 , wherein said at least one feeding device is arranged at an inner side of said lateral wall of said receptacle to discharge into said ...

Neutralization by Filler

The invention relates to a method for adjusting the pH value and/or for neutralizing acid and/or basic compounds, in particular degradation or decomposition products, as part of the reprocessing and recycling of in particular thermoplastic materials, in the course of which the polymer particles are permanently moved and heated in a reactor, wherein at least one filler is added for neutralization purposes, specifically in a quantity which corresponds at least to the anticipated acid or alkali load.

PROCESS FOR RECYCLING PLASTIC MATERIALS

The invention relates to a method and to an assembly for recycling plastic materials, comprising the following processing steps: a) reprocessing the raw material, wherein the material, if necessary, is comminuted and brought into a fluid-like form and heated and permanently mixed, while preserving the lumpiness and pourability thereof, and optionally the viscosity thereof is increased and/or it is degassed, softened, dried and/or crystallized; b) melting the reprocessed material, at least so much that filtration is possible; c) filtering the melt in order to remove impurities; d) homogenizing the filtered melt; e) degassing the homogenized melt; and f) discharging and/or subsequently processing the melt, such as by granulation, blown film processing, with said processing steps being carried out consecutively in the order listed (). 1. Process for recycling plastics comprising the following processing steps:(a) Reprocessing the raw material whereby the material is comminuted if necessary and brought to a fluid form and then heated and permanently mixed while retaining its particulate and flowable form and, if need be, degassed, softened, dried, increased in viscosity and/or crystallized;(b) Melting the reprocessed material at least to a point where filtration is possible;(c) Filtering the melt to remove impurities;(d) Homogenizing the filtered melt;(e) Degassing the homogenized melt; and(f) Discharging and/or subsequently processing the melt, for example by granulating or blow-extrusion treatment,whereby these processing steps are implemented consecutively and directly in chronological and spatial order without intermediate steps.2. Process according to claim 1 , characterized in that processing steps (a) to (f) are implemented consecutively and directly in chronological and spatial order without intermediate steps.3. Process according to claim 1 , characterized in that the melt is sheared and mixed during homogenization or is subjected to intensive shear stress and ...

APPARATUS FOR PROCESSING PLASTICS MATERIAL

Disclosed is a device and a method for processing plastic material with at least one receiving container, wherein at least one mixing and/or comminution tool, rotatable about a rotation axis, is arranged, for mixing and warming the plastic material, and with at least one conveyor for discharging the plastic material from the receiving container, with at least one screw rotating in a housing, where the conveyor is connected, at its material inlet side via an opening which is formed in a side wall of the receiving container, with the interior of the receiving container. An imaginary extension of the central longitudinal axis of the conveyor extends, against the conveyance direction of the conveyor, past the rotation axis of the receiving container, without intersecting this axis, where the longitudinal axis of the conveyor is offset by a separation relative to the radial ray of the receiving container on the discharge side. 11310515616189118316561751011556123881811115175103. A device for treating , particularly thermoplastic , plastic materials , comprising at least one receiving container () in which at least one mixing and/or cutting tool () which is rotatable around a rotational axis () is disposed for mixing and heating and , optionally , cutting and/or softening said plastic materials , and at least one conveyor () for transporting the plastic materials out of the receiving container () , said conveyor () having at least one screw () rotating in a housing () and , at its material input side , being connected to the interior of the receiving container () via an opening () formed in a lateral wall () of said receiving container () in order to supply or feed the material into said receiving container () , said opening () being disposed at the height of the mixing and/or cutting tool () , characterized in that the imaginary extension of the central longitudinal axis () of the conveyor () and the screw () in the direction opposite the conveying direction () of the ...

Method for producing a polymer material filled with long fibers

The present invention relates to a method for producing a polymer material filled with longer fibers, wherein the fibers, which typically have a residual moisture content of approximately 5 to 8% and a minimum length of more than 2 mm, and the carrier material are mixed and heated in a reactor or cutter-compacter, constantly moving them and optionally comminuting the carrier material, and constantly maintaining the pourability and/or lumpiness. According to the invention, the conditions, and particularly the temperature, in the reactor are adjusted so as to dry the fibers to the lowest residual moisture possible, at which the fibers are just barely sufficiently flexible so as not to break during processing in the reactor, or during an optionally following compression step, for example extrusion.

Comminuting tool

The invention relates to a crushing tool for plastic materials drivable to a rotary motion, comprising a carrier (1), which can be rotated about a rotational axis (B) centrally located on it and on the surface (3) of which tools (4) for the processing and crushing of the plastic materials are arranged. It is provided according to the present invention, that in the area of the rotational axis (B) of the carrier (1) a deflector (5) is arranged, wherein in an area of the carrier (1) connecting radially to the deflector (5) web- or strip-shaped conveyor wings (6) are arranged and in the area of the carrier (1) connecting to the conveyor wings (6) radially towards the edge (7) the tools (5) are arranged.

Apparatus for the pretreatment and subsequent conveying, plastification, or agglomeration of plastics

The invention relates to an apparatus for the pretreatment and subsequent conveying or plastification of plastics, with a container with a mixing and/or comminution implement that is rotatable around an axis of rotation, wherein, in a side wall, an aperture is formed, through which the plastics material can be removed, a multiscrew conveyor being provided, with at least two screws rotating in a housing, wherein the imaginary continuation of the longitudinal axis of the conveyor in a direction opposite to the direction of conveying passes the axis of rotation, where, on the outflow side, there is an offset distance between the longitudinal axis of the screw closest to the container and the radius that is parallel to the longitudinal axis, and in that the two screws closest to the intake aperture are counter-rotating relative to one another.

Device and method for the preparation of recyclable thermoplastic plastic material

An apparatus for the preparation of thermoplastic plastics material to be recycled has two treatment stages following one after the other. At least two receiving containers, which are capable of being evacuated and which are attached in parallel to a receiving container of the second stage, are present in the first stage. A device is present by which an alternating batch-wise charging of the receiving container of the second stage takes place from the receiving containers of the first stage. The said device controls discharge members of the receiving containers of the preceding stage, which leads into a channel. A shut-off member is provided for each receiving container of the preceding stage in the said channel. The alternating device controls the shut-off members. The method of preparing thermoplastic plastics material, to be recycled, utilizes an apparatus of this type.

Method and apparatus for processing of plastic material

The invention relates to an apparatus and a method for the processing of plastic material, with a receptacle or cutter-compactor (1) into which the material to be treated can be introduced, in the lower region of which a discharge opening (10) is provided, through which the processed material can be ejected from the receptacle (1), for example into an extruder (11). According to the invention, the receptacle (1) is divided into at least two chambers (6a, 6b, 6c, . . . ) separated from each other by an intermediate base (2, 2, . . . ), wherein at least one mixing or comminution tool (7a, 7b, 7c, . . . ) is arranged which acts upon the material in each chamber (6a, 6b, 6c, . . . ), with which the material can be converted into a softened but permanently lumpy or particle-shaped and not melted state and wherein means (5, 5, . . . ) are provided which effect or permit an exchange or a transfer of the softened, lumpy, not melted material between each directly adjacent chamber (6a, 6b, 6c, .

Method and apparatus for processing of plastic material

The invention relates to an apparatus and a method for the processing of plastic material, with a receptacle or cutter-compactor (1) into which the material to be treated can be introduced, in the lower region of which a discharge opening (10) is provided, through which the processed material can be ejected from the receptacle (1), for example into an extruder (11). According to the invention, the receptacle (1) is divided into at least two chambers (6a, 6b, 6c, . . . ) separated from each other by an intermediate base (2, 2, . . . ), wherein at least one mixing or comminution tool (7a, 7b, 7c, . . . ) is arranged which acts upon the material in each chamber (6a, 6b, 6c, . . . ), with which the material can be converted into a softened but permanently lumpy or particle-shaped and not melted state and wherein means (5, 5, . . . ) are provided which effect or permit an exchange or a transfer of the softened, lumpy, not melted material between each directly adjacent chamber (6a, 6b, 6c, .

Fuel injection valve for internal combustion engines

The fuel injection valve is in particular a component of a reservoir fuel injection system and has a valve body and an electric control valve that controls the pressure which prevails in a control pressure chamber and acts at least indirectly on an injection valve member in its closing direction, wherein the control pressure chamber is connected to a high-pressure fuel source and can be connected by the control valve to a discharge chamber in order to open at least one injection opening. The control pressure chamber is embodied in a sleeve-shaped section of an insert piece inserted into the valve body and is connected to an inlet bore in the valve body by means of an annular chamber encompassing the section and a connecting bore provided in the valve body. The connecting bore intersects the inlet bore at an obtuse angle (α) in a region that is offset from the annular chamber in the direction of the longitudinal axis of the valve body.

METHOD FOR PRODUCING A POLYMER MATERIAL FILLED WITH LONG FIBERS

The present invention relates to a method for producing a polymer material filled with longer fibers, wherein the fibers, which typically have a residual moisture content of approximately 5 to 8% and a minimum length of more than 2 mm, and the carrier material are mixed and heated in a reactor or cutter-compacter, constantly moving them and optionally comminuting the carrier material, and constantly maintaining the pourability and/or lumpiness. According to the invention, the conditions, and particularly the temperature, in the reactor are adjusted so as to dry the fibers to the lowest residual moisture possible, at which the fibers are just barely sufficiently flexible so as not to break during processing in the reactor, or during an optionally following compression step, for example extrusion. 1. A method for producing a polymer material filled with longer fibers , the fibers , which typically have a residual moisture content of approximately 5 to 8% and a minimum length of more than 2 mm , and the carrier material being mixed and heated in a reactor or cutter-compacter , constantly moving them and optionally comminuting the carrier material , and constantly maintaining the pourability and/or lumpiness , characterized in that the conditions , and particularly the temperature , in the reactor are adjusted so as to dry the fibers to the lowest residual moisture possible , at which the fibers are just barely sufficiently flexible so as not to break during processing in the reactor , or during an optionally following compression step , for example extrusion.2. The method according to claim 1 , characterized in that the fibers are dried to a residual moisture content of 1 to 2%.3. The method according to claim 1 , characterized in that at least one mixing and/or comminuting tool claim 1 , which is optionally disposed on several superimposed planes and can revolve or rotate in particular about a vertical axis and which comprises working edges that have a mixing and ...

Apparatus for granulating hot cut

The invention relates to an apparatus for granulating hot cut, in particular thermoplastic resin material, the material strands melted by an extruder being knocked off into granule pellets in a granulating housing (1) by rotating knives (11) disposed on a shaft (9) driven by way of a motor (13), the granule pellets being picked up by a cooling medium flowing in the granulating housing (1), cooled and discharged out of the granulating housing (1), characterized in that a flow opening (17) establishing a continuous fluid connection between the inside of the granulating housing (1) and the outside environment is designed between the shaft (9) and the region of the granulating housing (1) in which the shaft (9) penetrates the granulating housing (1).

Process and device for introducing additive materials in a receptacle at the area of highest pressure

A method and a device for introducing and/or adding non-dry-powder additive materials and/or coating materials with a liquid, solid, semi-solid, or paste-like consistency or in suspended or emulsified form, for example, peroxides, fats, waxes, IV improvers, polymers, or similar materials, to an existing lumpy or particulate material which is moved and mixed, and optionally warmed and reduced to small pieces in a receptacle and/or compressor, said material being in particular polymer particles and/or flakes, wood fibers, paper cuttings, or similar materials. According to the invention, the additive material is introduced below the level of the material and/or material particles already in the receptacle.

Apparatus for processing plastic material

Disclosed is an apparatus for the processing of plastics, with a container with a rotatable mixing, where, in a side wall, an aperture is formed, where a conveyor is provided, with a screw rotating in a housing, wherein the imaginary continuation of the longitudinal axis of the conveyor in a direction opposite to the direction of conveying passes the axis of rotation, and wherein the ratio (V) of the active container volume (SV) to the feed volume (BV) of the container or of the cutter compactor (1), where V=SV/BV, is one where 4≤V≤30, where the active container volume (SV) is defined by the formula and D is the internal diameter of the container, and where the feed volume (BV) is defined by the formula where H is the height of the intake aperture.

Method for recycling plastic materials

The invention relates to a method and to an assembly for recycling plastic materials, comprising the following processing steps: a) reprocessing the raw material, wherein the material, if necessary, is comminuted and brought into a fluid-like form and heated and permanently mixed, while preserving the lumpiness and pourability thereof, and optionally the viscosity thereof is increased and/or it is degassed, softened, dried and/or crystallized; b) melting the reprocessed material, at least so much that filtration is possible; c) filtering the melt in order to remove impurities; d) homogenizing the filtered melt; e) degassing the homogenized melt; and f) discharging and/or subsequently processing the melt, such as by granulation, blown film processing, with said processing steps being carried out consecutively in the order listed.

LANCE

Device And Method For The Preparation Of Recyclable Thermoplastic Plastic Material

An apparatus for the preparation of thermoplastic plastics material to be recycled has two treatment stages (68, 68) [sic—recte (67, 68)] following one after the other. At least two receiving containers (1, 1′), which are capable of being evacuated and which are attached in parallel to a receiving container (2) of the second stage (68), are present in the first stage (67). A device (70) is present by which an alternating batch-wise charging of the receiving container (2) of the second stage takes place from the receiving containers (1, 1′) of the first stage. The said device (70) controls discharge members (75) of the receiving containers (1, 1′) of the preceding stage (67), which leads into a channel (3). A shut-off member (71) is provided for each receiving container (1, 1′) of the preceding stage (67) in the said channel. The device (70) for the alternating batch-wise charging of the receiving container (2) of the last stage controls the said shut-off members (71). The method of preparing ...

Method and apparatus for processing of plastic material

The invention relates to an apparatus and a method for the processing of plastic material, with a receptacle or cutter-compactor (1) into which the material to be treated can be introduced, in the lower region of which a discharge opening (10) is provided, through which the processed material can be ejected from the receptacle (1), for example into an extruder (11). According to the invention, the receptacle (1) is divided into at least two chambers (6a, 6b, 6c, . . . ) separated from each other by an intermediate base (2, 2, . . . ), wherein at least one mixing or comminution tool (7a, 7b, 7c, . . . ) is arranged which acts upon the material in each chamber (6a, 6b, 6c, . . . ), with which the material can be converted into a softened but permanently lumpy or particle-shaped and not melted state and wherein means (5, 5, . . . ) are provided which effect or permit an exchange or a transfer of the softened, lumpy, not melted material between each directly adjacent chamber (6a, 6b, 6c, .

Process for recycling plastic materials

The invention relates to a method and to an assembly for recycling plastic materials, comprising the following processing steps: a) reprocessing the raw material, wherein the material, if necessary, is comminuted and brought into a fluid-like form and heated and permanently mixed, while preserving the lumpiness and pourability thereof, and optionally the viscosity thereof is increased and/or it is degassed, softened, dried and/or crystallized; b) melting the reprocessed material, at least so much that filtration is possible; c) filtering the melt in order to remove impurities; d) homogenizing the filtered melt; e) degassing the homogenized melt; and f) discharging and/or subsequently processing the melt, such as by granulation, blown film processing, with said processing steps being carried out consecutively in the order listed (FIG. 2).

APPARATUS FOR PROCESSING PLASTIC MATERIAL

Disclosed is an apparatus for the processing of plastics, with a container with a mixing implement rotatable around an axis of rotation, wherein, in a side wall, an aperture is formed, through which the plastics material can be removed, and a conveyor, with a screw rotating in a housing, wherein the imaginary continuation of the longitudinal axis of the conveyor in a direction opposite to the direction of conveying passes the axis of rotation, and wherein the L/D ratio of the screw is ≧7, and wherein the setting angle (y) of the radially outermost mixing implement, closest to the base, complies with the following relationship: γ= k*d+K, where d is the diameter of the screw in mm, K is a factor in the range from 15 to 35, k is a factor in the range from 0.08 to 0.2.

METHOD FOR PREPARING AND DETOXIFYING

A PREFORM MANUFACTURING DEVICE

A preform manufacturing device for manufacturing a preform from thermoplastic resin flakes, comprises a decontamination apparatus removing contaminants in the thermoplastic resin flakes, and an injection molding apparatus injecting and molding the thermoplastic resin supplied from the decontamination apparatus. 1. A preform manufacturing device for manufacturing a preform from thermoplastic resin flakes , comprising:a decontamination apparatus removing contaminants in the thermoplastic resin flakes, andan injection molding apparatus injecting and molding the thermoplastic resin supplied from the decontamination apparatus.2. The preform manufacturing device according to claim 1 , further comprising a filter disposed between the decontamination apparatus and the injection molding apparatus.3. The preform manufacturing device according to claim 2 , further comprising a gear pump disposed between the filter and the injection molding apparatus.4. The preform manufacturing device according to claim 1 , wherein the injection molding apparatus comprises a plurality of molds and continuously shapes preforms.5. The preform manufacturing device according to claim 4 , wherein the injection molding apparatus is a rotary type injection molding apparatus comprising a rotary mechanism rotating the plurality of molds. The present invention relates a preform manufacturing device for manufacturing a preform for a plastic bottle from thermoplastic resin flakes such as PET flakes.A plastic bottle such as plastic container, etc., made of polyethylene terephthalate (PET) is widely used to contain food and liquid for drinking. The plastic bottle is shaped by blowing up a preform having the shape such as a test tube by a stretch blow molding method.Recently, recycle of a plastic bottle which is manufactured from a used plastic bottle, has been carried out. In particular, in order to recycle a used plastic bottle as a plastic bottle for liquid for drinking, food, etc., completely removing ...

Method for recycling plastic materials

The invention relates to a method and to an assembly for recycling plastic materials, comprising the following processing steps: a) reprocessing the raw material, wherein the material, if necessary, is comminuted and brought into a fluid-like form and heated and permanently mixed, while preserving the lumpiness and pourability thereof, and optionally the viscosity thereof is increased and/or it is degassed, softened, dried and/or crystallized; b) melting the reprocessed material, at least so much that filtration is possible; c) filtering the melt in order to remove impurities; d) homogenizing the filtered melt; e) degassing the homogenized melt; and f) discharging and/or subsequently processing the melt, such as by granulation, blown film processing, with said processing steps being carried out consecutively in the order listed (FIG. 2).

Procedure for Extrusion of Plastic Material and Extruder

The invention relates to a method for extruding plastic material using a screw-type extruder (S), wherein a first pressure (P1) of the material to be extruded is measured in at least one location in the feed region (EB) of the at least one screw (2) and/or in the melting region (A) of the housing (1), the plastic material agglomerating and/or softening and being present in and not yet, in particular not completely, melted state and/or being present not yet homogeneously as a melt in said location or in said melting region. According to the invention, the material supply to the extruder (S) and/or the charge quantity is measured or controlled as a function of the measured first pressure (P1).

FILTERING DEVICE FOR FLUIDS

The present invention relates to a filtering device for fluids, in particular thermoplastics, comprising a screen carrier ( 2 ) which has a rotationally cylindrical outer face ( 41 ) and is mounted rotatably in a rotationally cylindrical recess ( 5 ), adapted to its circumference, of a stationary housing ( 3 ) and in which a number of screening nests ( 6 ) having filter arrangements ( 7 ) are formed along its circumference. According to the invention, there is provision whereby the screen carrier ( 2 ) is penetrated by a rotationally cylindrical core part ( 1 ) and is mounted rotatably on this, the core part ( 1 ) and the housing ( 3 ) being designed to be stationary and fixed in terms of rotation with respect to the rotatable screen carrier ( 2 ). (FIG. 1 )

APPARATUS FOR PROCESSING PLASTIC MATERIAL

Disclosed is an apparatus for the processing of plastics, with a container with a rotatable mixing implement, wherein the imaginary continuation of the longitudinal axis of a conveyor in a direction opposite to the direction of conveying passes the axis of rotation, where, on the outflow side, there is an offset distance between the longitudinal axis and the radial parallel to the longitudinal axis, wherein in the wall section that is part of the housing and that immediately follows the intake aperture in the direction of conveying and that completely surrounds the screw, a pocket extends in the direction of conveying, starting at the downstream edge of the intake aperture over a length (L), where 0.8 d≦L≦9 d, where d is the external diameter or the diameter of the envelope curve of the screw in the wall section. 251193811112317588. The apparatus according to claim 1 , wherein claim 1 , for a conveyor () in contact with the container () claim 1 , the scalar product of the direction vector that is associated with the direction () of rotation and that is tangential to the circle described by the radially outermost point of the mixing and/or comminution implement () or that is tangential to the plastics material transported past the aperture () and that is normal to a radial () of the container () claim 1 , and that points in the direction () of rotation or of movement of the mixing and/or comminution implement () and of the direction vector () that is associated with the direction of conveying of the conveyor () at each individual point or in the entire region of the aperture () or immediately radially prior to the aperture () is zero or negative.319317517198123208. The apparatus according to claim 1 , wherein the angle (α) included between the direction vector that is associated with the direction () of rotation of the radially outermost point of the mixing and/or comminution implement () and the direction vector () that is associated with the direction of conveying ...

Process for producing a filled polymer material

The invention relates to a method for producing a thermoplastic polymer material that is filled with at least one filler, preferably calcium carbonate CaCO3, sensitive to hydrolytic degradation and optionally hygroscopic, and produced by way of polycondensation, particularly PET, wherein under vacuum conditions, constant stirring or mixing and an increased temperature, a mixture of not yet melted, optionally softened, polymer material comprising the filler is produced, wherein for this purpose a filler, which at the time of addition has not been pre-dried and has a residual moisture (H2O) of more than 500 ppm, particularly more than 1000 ppm, is used.

APPARATUS FOR PROCESSING PLASTIC MATERIAL

Disclosed is an apparatus for the processing of plastics, having a container with a rotatable mixing implement, where a conveyor is provided, with a screw rotating in a housing, wherein the imaginary continuation of the longitudinal axis of the conveyor in a direction opposite to the direction of conveying passes the axis of rotation, where, on the outflow side, there is an offset distance between the longitudinal axis and the radial that is parallel to the longitudinal axis, wherein on the internal wall area of the container, there is at least one bar-shaped deflector which is directed into the interior of the container, and the height profile of which decreases in the direction of rotation of the mixing implement, seen from above, and the angle included thereby, over its length, with a plane (E) perpendicular to the axis of rotation of the mixing implements is an acute angle (α). 111310. An apparatus for the pretreatment and subsequent conveying , plastification or agglomeration of plastics , in particular of thermoplastics waste for recycling purposes , with a container () for the material to be processed , where the arrangement has , in the container () , at least one mixing and/or comminution implement () which rotates around an axis () of rotation and which is intended for the mixing , heating and optionally comminution of the plastics material ,{'b': 8', '1', '9', '1', '3, 'where an aperture () through which the pretreated plastics material can be removed from the interior of the container () is formed in a side wall () of the container () in the region of the level of the, or of the lowest, mixing and/or comminution implement () that is closest to the base,'}{'b': 5', '5', '6', '16', '16', '7', '80', '6', '80', '8, 'where at least one conveyor (), in particular one extruder (), is provided to receive the pretreated material, and has at least one screw () which rotates in a housing () and which in particular has plastifying or agglomerating action, where the ...

LANCE

Disclosed is a method for preparation and purification of a polymer material, wherein the polymeric material is agitated and heated in a receiving tank by a mixing tool, and wherein a rinse medium is introduced into an area below the level of the material under processing that is present below the level of the receiving container, into the interior of the storage container, wherein the rinse medium by forming a forced flow is passed at least through a partial area of the material and wherein the rinse medium is discharged from the storage tank in an area above the level of the material under processing that is present in the storage. The rinse medium is introduced into the receiving tank via at least one feed means that is arranged on at least one lance that projects from a side wall of the receiving tank into the interior space of the receiving tank.

ROTOR DISK

Disclosed is a rotor disk () to be inserted into a receptacle () for the treatment of polymers, having a disk body () on whose top side () mixing and/or comminuting tools () are provided and on whose opposite underside () a number of conveying ribs () extending from the interior to the exterior are provided with which during operation polymer particles are transportable towards the exterior or, respectively, that during operation exert a force directed from the center () of the rotor disk () towards the exterior on the polymer particles grasped by the conveying ribs (). The conveying ribs () are equipped with a conveying surface aligned straight and essentially vertically to the underside in the direction of rotation or, respectively, of movement or, respectively, equipped with a shoulder surface sloping towards downstream relative to the direction of movement or, respectively, have an essentially triangular cross section. 11234567817. A rotor disk () to be inserted into a receptacle () for the treatment of polymers , having a disk body () on whose top side () mixing and/or comminuting tools () are providable and on whose opposite underside () a number of conveying ribs () extending from the interior to the exterior are provided with which during operation polymer particles are transportable towards the exterior or , respectively , that during operation exert a force directed from the center () of the rotor disk () towards the exterior on the polymer particles grasped by the conveying ribs , characterized in that the conveying ribs () are equipped with a conveying surface aligned straight and essentially vertically to the underside in the direction of rotation or , respectively , of movement or , respectively , equipped with a shoulder surface sloping towards downstream relative to the direction of movement or , respectively , have an essentially triangular cross section.2126. A rotor disk in accordance with claim 1 , characterized in that the shoulder surface () is ...

Fuel injection valve for internal combustion engines

The fuel injection valve is in particular a component of a reservoir fuel injection system and has a valve body and an electric control valve that controls the pressure which prevails in a control pressure chamber and acts at least indirectly on an injection valve member in its closing direction, wherein the control pressure chamber is connected to a high-pressure fuel source and can be connected by the control valve to a discharge chamber in order to open at least one injection opening. The control pressure chamber is embodied in a sleeve-shaped section of an insert piece inserted into the valve body and is connected to an inlet bore in the valve body by means of an annular chamber encompassing the section and a connecting bore provided in the valve body. The connecting bore intersects the inlet bore at an obtuse angle (alpha) in a region that is offset from the annular chamber in the direction of the longitudinal axis of the valve body.

Apparatus for the pretreatment and subsequent conveying, plastification, or agglomeration of plastics

Disclosed is an apparatus for the processing of plastics, having a container with a rotatable mixing implement, where a conveyor is provided, with a screw rotating in a housing, wherein the imaginary continuation of the longitudinal axis of the conveyor in a direction opposite to the direction of conveying passes the axis of rotation, where, on the outflow side, there is an offset distance between the longitudinal axis and the radial that is parallel to the longitudinal axis, wherein on the internal wall area of the container, there is at least one bar-shaped deflector which is directed into the interior of the container, and the height profile of which decreases in the direction of rotation of the mixing implement, seen from above, and the angle included thereby, over its length, with a plane (E) perpendicular to the axis of rotation of the mixing implements is an acute angle ().

ROTOR DISK

The invention at hand relates to a rotor disk () to be inserted into a receptacle () for the treatment of polymers, having a disk body () on whose top side () mixing and/or comminuting tools () are providable and on whose opposite underside () a number of conveying ribs () extending from the interior to the exterior are provided with which during operation polymer particles are transportable towards the exterior or, respectively, that during operation exert a force directed from the center () of the rotor disk () towards the exterior on the polymer particles grasped by the conveying ribs (). In accordance with the invention it is provided that the conveying ribs () are curved concavely in the direction of rotation or, respectively, of movement. 11234567817771717. A rotor disk () to be inserted into a receptacle () for the treatment of polymers , having a disk body () on whose top side () mixing and/or comminuting tools () are providable and on whose opposite underside () a number of conveying ribs () extending from the interior to the exterior are provided with which during operation polymer particles are transportable towards the exterior or , respectively , that during operation exert a force directed from the center () of the rotor disk () towards the exterior on the polymer particles grasped by the conveying ribs () , the conveying ribs () being curved concavely in the direction of rotation or , respectively , of movement , characterized in that the outer final sections of the conveying ribs () are aligned nearly tangentially relative to the edge of the rotor disk () , in particular at external intersecting angles a between 0° and 25° , preferably between 12° and 18° , with the intersecting angles in each case being measured between the tangents placed on the conveying ribs () and the tangents placed on the edge of the rotor disk () in the intersecting point of these tangents or , respectively , in the end points of the conveying ribs ().27. A rotor disk in ...

Neutralization by filler

The invention relates to a method for adjusting the pH value and/or for neutralizing acid and/or basic compounds, in particular degradation or decomposition products, as part of the reprocessing and recycling of in particular thermoplastic materials, in the course of which the polymer particles are permanently moved and heated in a reactor, wherein at least one filler is added for neutralization purposes, specifically in a quantity which corresponds at least to the anticipated acid or alkali load.

Method and device for injection molding plastic material

The present invention relates to a method and to a device for injection molding plastic material, wherein the starting plastic material to be treated is first subjected to a pretreatment, wherein the plastic material is heated in a receiving container at a temperature below the melting temperature while constantly being mixed, and thereby at the same time is crystallized, dried and/or cleaned and/or the intrinsic viscosity thereof is increased. According to the invention, the plastic material pretreated in this way is transferred into a screw injection molding machine (10) having a screw (16) rotating in a housing (17) and being axially displaceable therein and/or acting as a piston, is plasticized in said screw, and molded into a molded part, for example a preform.

Apparatus for the pretreatment and subsequent plastification or agglomeration of plastics

Disclosed is an apparatus for the pretreatment and subsequent conveying or plastification of plastics, with a container with a mixing and/or comminution implement that is rotatable around an axis of rotation. In a side wall, an aperture is formed, through which the plastics material can be removed, a conveyor being provided, with a screw rotating in a housing. The apparatus is characterized in that the imaginary continuation of the longitudinal axis of the conveyor in a direction opposite to the direction of conveying passes the axis of rotation, there being, on the outflow side, an offset distance between the longitudinal axis and the radius that is parallel to the longitudinal axis, that the L/D ratio of the screw is greater than or equal to 7, and that the compressing format of the screw begins only from a distance (A) of more than 1.5 times the diameter (d) of the screw.

Apparatus for granulating hot cut

An apparatus for granulating hot cut, in particular thermoplastic resin material, the material strands melted by an extruder being knocked off into granule pellets in a granulating housing by rotating knives disposed on a shaft driven by way of a motor, the granule pellets being picked up by a cooling medium flowing in the granulating housing, cooled and discharged out of the granulating housing, characterized in that a flow opening establishing a continuous fluid connection between the inside of the granulating housing and the outside environment is designed between the shaft and the region of the granulating housing in which the shaft penetrates the granulating housing.

PROCESS AND DEVICE FOR INTRODUCING ADDITIVE MATERIALS IN A RECEPTACLE AT THE AREA OF HIGHEST PRESSURE

The invention relates to a method and a device for introducing and/or adding non-dry-powder additive materials and/or coating materials with a liquid, solid, semi-solid, or paste-like consistency or in suspended or emulsified form, for example, peroxides, fats, waxes, IV improvers, polymers, or similar materials, to an existing lumpy or particulate material which is moved and mixed, and optionally warmed and reduced to small pieces in a receptacle and/or compressor (), said material being in particular polymer particles and/or flakes, wood fibers, paper cuttings, or similar materials. According to the invention, the additive material is introduced below the level of the material and/or material particles already in the receptacle (). 1. A device for introducing and adding non-dry particulate , additives , or coating stuffs of a liquid , solid , semi-solid , or pasty consistency to a lumpy or particulate material , the device comprising: a lateral wall,', 'at least one mixing tool disposed inside the receptacle or cutting condenser, wherein the at least one mixing tool moves the material, and, 'at least one receiving receptacle or cutting condenser comprisingat least one feeding device for adding the particulate, additives, or coating stuffs, wherein said feeding device is disposed on the lateral wall and displaced vertically above an upper edge of the mixing tool such that a vertical gap is present between the feeding device and the mixing tool upper edge, and wherein said feeding device is arranged in a region of the lateral wall such that during operation the at least one mixing tool is operated to move the material above the gap to communicate with the feeding device such that said material exerts maximum pressure onto the region of the lateral wall where said feeding device is positioned.2. The device according to claim 1 , wherein said at least one feeding device is arranged at an inner side of said lateral wall of said receptacle to discharge into said ...

Apparatus for the pretreatment and subsequent conveying, plastification, or agglomeration of plastics

Disclosed is an apparatus for the processing of plastics, with a container with a rotatable mixing and/or comminution implement, where, in a side wall, an aperture is formed, and a conveyor being provided, with a screw rotating in a housing, where the imaginary continuation of the longitudinal axis of the conveyor in a direction opposite to the direction of conveying passes the axis of rotation, and wherein the radial distance (mb) between the implement and the inner surface of the side wall of the container is in the range from 15 mm to 120 mm, and complies with the following relationship: mb=k*DB, where DB is the internal diameter of the container in mm and k is a constant in the range from 0.006 to 0.16.

Device for processing plastic material

Disclosed is a device and a method for processing plastic material with at least one receiving container, wherein at least one mixing and/or comminution tool, rotatable about a rotation axis, is arranged, for mixing and warming the plastic material, and with at least one conveyor for discharging the plastic material from the receiving container, with at least one screw rotating in a housing, where the conveyor is connected, at its material inlet side via an opening which is formed in a side wall of the receiving container, with the interior of the receiving container. An imaginary extension of the central longitudinal axis of the conveyor extends, against the conveyance direction of the conveyor, past the rotation axis of the receiving container, without intersecting this axis, where the longitudinal axis of the conveyor is offset by a separation relative to the radial ray of the receiving container on the discharge side.

Apparatus for pretreatment and subsequent conveying of plastic material having a pocket

Disclosed is an apparatus for the processing of plastics, with a container with a rotatable mixing implement, wherein the imaginary continuation of the longitudinal axis of a conveyor in a direction opposite to the direction of conveying passes the axis of rotation, where, on the outflow side, there is an offset distance between the longitudinal axis and the radial parallel to the longitudinal axis, wherein in the wall section that is part of the housing and that immediately follows the intake aperture in the direction of conveying and that completely surrounds the screw, a pocket extends in the direction of conveying, starting at the downstream edge of the intake aperture over a length (L), where 0.8 d≦L≦9 d, where d is the external diameter or the diameter of the envelope curve of the screw in the wall section.

APPARATUS FOR PROCESSING PLASTIC MATERIAL

Disclosed is an apparatus for processing plastics, having a mixing implement rotatable around an axis of rotation, wherein, in a side wall, an aperture is formed, through which the plastics material is removed, a conveyor being provided, with a screw rotating in a housing wherein the imaginary continuation of the longitudinal axis of the conveyor in a direction opposite to the direction of conveying passes the axis of rotation, and on the outflow side, an offset distance between the longitudinal axis and the radial that is parallel to the longitudinal axis, and the diameter D of the container has the following relationship to the diameter d of the screw: D =10· 3 √{square root over ( K·d 2 )}, where D is the internal diameter in mm of the container d is the diameter in mm of the screw and K is a constant which is in the range from 60 to 180.

COMMINUTING TOOL

The invention relates to a crushing tool for plastic materials drivable to a rotary motion, comprising a carrier (), which can be rotated about a rotational axis (B) centrally located on it and on the surface () of which tools () for the processing and crushing of the plastic materials are arranged. It is provided according to the present invention, that in the area of the rotational axis (B) of the carrier () a deflector () is arranged, wherein in an area of the carrier () connecting radially to the deflector () web- or strip-shaped conveyor wings () are arranged and in the area of the carrier () connecting to the conveyor wings () radially towards the edge () the tools () are arranged. 1134151564671. A crushing tool for plastic materials drivable to a rotary motion , comprising a carrier () , which can be rotated about a rotational axis (B) centrally located on it and on the surface () of which tools () for the processing and crushing of the plastic materials are arranged , characterized in that in the area of the rotational axis (B) of the carrier () a deflector () is arranged , wherein in an area of the carrier () connecting radially to the deflector () web- or strip-shaped conveyor wings () are arranged and the tools () are arranged in the area connecting to the conveyor wings () radially towards the edge () of the carrier ().275. A crushing tool according to claim 1 , characterized in that the conveyor wings () depart from the deflector () or are connected to the latter.34671. A crushing tool according to claim 1 , characterized in that the tools () lie between the end of the respective conveyor wing () distant from the rotational axis (B) and the edge () of the carrier ().4466. A crushing tool according to claim 1 , characterized in that the tools () connect directly to the respective conveyor wings () or the tool lying further inside connects directly to the end of the respective conveyor wing () distant from the rotational axis (B).511064121112125712645. A ...

Method for preparing and detoxifying

The present invention concerns a method for processing and detoxification of a material, especially a thermoplastic material, and for removal of contaminants or impurities from this material, wherein the material is heated under vacuum in at least one receiving tank (1), mixed and possibly comminuted, and wherein a rinsing medium is introduced into the receiving tank (1) beneath the material level, conducted through at least a partial region of the material, and the rinsing medium enriched or saturated with contaminants is brought out from the receiving tank (1) once more.

Method and Device for Injection Molding Plastic Material

The present invention relates to a method and to a device for injection molding plastic material, wherein the starting plastic material to be treated is first subjected to a pretreatment, wherein the plastic material is heated in a receiving container at a temperature below the melting temperature while constantly being mixed, and thereby at the same time is crystallized, dried and/or cleaned and/or the intrinsic viscosity thereof is increased. According to the invention, the plastic material pretreated in this way is transferred into a screw injection molding machine ( 10 ) having a screw ( 16 ) rotating in a housing ( 17 ) and being axially displaceable therein and/or acting as a piston, is plasticized in said screw, and molded into a molded part, for example a preform.

METHOD AND APPARATUS FOR PROCESSING OF PLASTIC MATERIAL

The invention relates to an apparatus and a method for the processing of plastic material, with a receptacle or cutter-compactor () into which the material to be treated can be introduced, in the lower region of which a discharge opening () is provided, through which the processed material can be ejected from the receptacle (), for example into an extruder (). According to the invention, the receptacle () is divided into at least two chambers (, . . . ) separated from each other by an intermediate base (″, . . . ), wherein at least one mixing or comminution tool (, . . . ) is arranged which acts upon the material in each chamber (, . . . ), with which the material can be converted into a softened but permanently lumpy or particle-shaped and not melted state and wherein means (″, . . . ) are provided which effect or permit an exchange or a transfer of the softened, lumpy, not melted material between each directly adjacent chamber (, . . . ). 111011116662277766681455666abcabcabcabc. Device for treatment of plastic material , especially thermoplastics such as polyester or polyethylene , with a receptacle or cutter-compactor () , into which the material to be processed can be brought , in whose lower area a removal opening () is provided , through which the processed material can be removed from the receptacle () , for example into an extruder () , characterized in that the receptacle () is subdivided into at least two chambers ( , , ) , especially cylindrical ones , separated from each other by an intermediate base (′ , ″ , . . . ) , with at least one mixing or comminution tool ( , , , . . . ) being situated in each chamber ( , , ) that especially rotates about a vertical axis ( , ) and that acts upon the material , by which the material can be brought into a softened , but permanently lumpy or particle-shaped state and not a molten one , and with means (′ , ″ , . . . ) being provided that causes or provide an exchange or a transfer of the softened , lumpy , not molten ...

DEVICE FOR PROCESSING PLASTIC MATERIAL

Disclosed is a device and a method for processing plastic material with at least one receiving container, wherein at least one mixing and/or comminution tool, rotatable about a rotation axis, is arranged, for mixing and warming the plastic material, and with at least one conveyor for discharging the plastic material from the receiving container, with at least one screw rotating in a housing, where the conveyor is connected, at its material inlet side via an opening which is formed in a side wall of the receiving container, with the interior of the receiving container. An imaginary extension of the central longitudinal axis of the conveyor extends, against the conveyance direction of the conveyor, past the rotation axis of the receiving container, without intersecting this axis, where the longitudinal axis of the conveyor is offset by a separation relative to the radial ray of the receiving container on the discharge side. 1. A device for treating plastic materials , comprising:{'b': 1', '3', '10, 'at least one receiving container () in which at least one mixing and/or comminution tool () which is rotatable around a rotational axis () is disposed for mixing said plastic materials, and'}{'b': 5', '1', '5', '6', '16', '5', '1', '8', '9', '1', '15', '5', '6', '17', '5', '10', '1', '15', '5', '6', '12', '3', '18', '11', '1', '15', '17', '5', '10', '3, 'at least one conveyor () for transporting the plastic materials out of the receiving container (), said conveyor () having at least one screw () rotating in a housing () and, said conveyor () being connected at its material input side to the interior of the receiving container () via an opening () formed in a lateral wall () of said receiving container (), wherein the central longitudinal axis () of the conveyor () and of the screw () extends in a direction opposite the conveying direction () of the conveyor () and past the rotational axis () of the receiving container () without intersecting it, said central longitudinal ...

APPARATUS FOR PROCESSING PLASTIC MATERIAL

Disclosed is an apparatus for processing of plastics, with a container with a mixing implement, and a conveyor provided with a screw rotating in a housing, the housing being divided into two chambers, the frontal chamber having an intake aperture, and the rearward chamber having at least one degassing aperture, the two chambers being connected to one another through a channel having a melt filter, wherein the imaginary continuation of the longitudinal axis of the conveyor in a direction opposite to the direction of conveying passes the axis of rotation, wherein the distance from the opening of the channel into the rearward chamber to the degassing aperture is in a range from 1.5 to 15 times the nominal diameter (d) of the screw. 111310. An apparatus for the pretreatment and subsequent plastification of plastics , in particular of thermoplastics waste for recycling purposes , with a container () for the material to be processed , where the arrangement has , in the container () , at least one mixing and/or comminution implement () which is rotatable around an axis () of rotation and which is intended for the mixing , heating and optionally comminution of the plastics material ,{'b': 8', '1', '9', '1', '3, 'where an aperture () through which the pretreated plastics material can be removed from the interior of the container () is formed in a side wall () of the container () in the region of the level of the, or of the lowest, mixing and/or comminution implement () that is closest to the base,'}{'b': 5', '6', '16', '16', '7', '80', '6', '80', '8, 'where at least one extruder or compactor () is provided to receive the pretreated material, and has at least one screw () which rotates in a housing () and which has plastifying action, where the housing () has, located at its end () or in its jacket wall, an intake aperture () for the material to be received by the screw (), and there is connection between the intake aperture () and the aperture (),'}{'b': 16', '40', '41', '40 ...

APPARATUS FOR PROCESSING PLASTIC MATERIAL

Disclosed is an apparatus for the processing of plastics, with a container with a rotatable mixing, wherein, in a side wall, an aperture is formed, and a conveyor being provided, with a screw rotating in a housing, wherein the imaginary continuation of the longitudinal axis of the conveyor in a direction opposite to the direction of conveying passes the axis of rotation, and wherein the radial distance (mb) between the implement and the inner surface of the side wall of the container is in the range from 15 mm to 120 mm, and complies with the following relationship:

APPARATUS FOR PROCESSING PLASTIC MATERIAL

The invention relates to an apparatus for the pretreatment and subsequent conveying or plastification of plastics, with a container with a mixing and/or comminution implement that is rotatable around an axis of rotation, wherein, in a side wall, an aperture is formed, through which the plastics material can be removed, a multiscrew conveyor being provided, with at least two screws rotating in a housing, wherein the imaginary continuation of the longitudinal axis of the conveyor in a direction opposite to the direction of conveying passes the axis of rotation, where, on the outflow side, there is an offset distance between the longitudinal axis of the screw closest to the container and the radius that is parallel to the longitudinal axis, and in that the two screws closest to the intake aperture are counter-rotating relative to one another.

Apparatus for processing plastic material

The invention relates to an apparatus for the pretreatment and subsequent conveying or plastification of plastics, with a container with a mixing and/or comminution implement that is rotatable around an axis of rotation, wherein, in a side wall, an aperture is formed, through which the plastics material can be removed, a conveyor being provided, with a screw rotating in a housing, wherein the imaginary continuation of the longitudinal axis of the conveyor in a direction opposite to the direction of conveying passes the axis of rotation, where, on the outflow side, there is an offset distance between the longitudinal axis and the radius that is parallel to the longitudinal axis, and in that screw rotates clockwise, when seen from the starting point of the screw in the direction towards the end or towards the discharge aperture of the conveyor.

APPARATUS FOR PROCESSING PLASTIC MATERIAL

The invention relates to an apparatus for the pretreatment and subsequent conveying or plastification of plastics, with a container with a mixing and/or comminution implement that is rotatable around an axis of rotation, wherein, in a side wall, an aperture is formed, through which the plastics material can be removed, a multiscrew conveyor being provided, with at least two screws rotating in a housing, wherein the imaginary continuation of the longitudinal axis of the conveyor in a direction opposite to the direction of conveying passes the axis of rotation, where, on the outflow side, there is an offset distance between the longitudinal axis of the screw closest to the container, on the outflow side, and the radius that is parallel to the longitudinal axis, and in that the screws co-rotate. 111310. An apparatus for the pretreatment and subsequent conveying , plastification or agglomeration of plastics , in particular of thermoplastics waste for recycling purposes , with a container () for the material to be processed , where the arrangement has , in the container () , at least one mixing and/or comminution implement () which rotates around an axis () of rotation and which is intended for the mixing , heating and optionally comminution of the plastics material ,{'b': 8', '1', '9', '1', '3, 'where an aperture () through which the pretreated plastics material can be removed from the interior of the container () is formed in a side wall () of the container () in the region of the level of the, or of the lowest, mixing and/or comminution implement () that is closest to the base,'}{'b': 5', '6', '16', '16', '7', '80', '6', '80', '8, 'where at least one multiscrew conveyor () is provided to receive the pretreated material, and has at least two screws () which rotate in a housing () and which have conveying, in particular plastifying or agglomerating, action, where the housing () has, located at its end () or in its jacket wall, an intake aperture () for the material to ...

APPARATUS FOR PROCESSING PLASTIC MATERIAL

Disclosed is an apparatus for the pretreatment and subsequent conveying or plastification of plastics, with a container with a mixing and/or comminution implement that is rotatable around an axis of rotation, wherein, in a side wall, an aperture is formed, through which the plastics material can be removed, a conveyor being provided, with a screw rotating in a housing. 111310. An apparatus for the pretreatment and subsequent plastification or agglomeration of plastics , in particular of thermoplastics waste for recycling purposes , with a container () for the material to be processed , where the arrangement has , in the container () , at least one mixing and/or comminution implement () which rotates around an axis () of rotation and which is intended for the mixing , heating and optionally comminution of the plastics material ,{'b': 8', '1', '9', '1', '3, 'where an aperture () through which the pretreated plastics material can be removed from the interior of the container () is formed in a side wall () of the container () in the region of the level of the, or of the lowest, mixing and/or comminution implement () that is closest to the base,'}{'b': 5', '6', '16', '16', '7', '80', '6', '80', '8, 'where at least one extruder or compressor () is provided to receive the pretreated material, and has at least one screw () which rotates in a housing () and which has compressing, plastifying or agglomerating action, where the housing () has, located at its end () or in its jacket wall, an intake aperture () for the material to be received by the screw (), and there is connection between the intake aperture () and the aperture (),'}wherein{'b': 15', '5', '6', '80', '17', '5', '10', '12', '3', '18', '15', '5', '6', '80', '11', '1', '15', '10', '3', '17', '5, 'the imaginary continuation of the central longitudinal axis () of the extruder () or of the screw () closest to the intake aperture (), in a direction opposite to the direction () of conveying of the extruder (), passes, ...

APPARATUS FOR PROCESSING PLASTIC MATERIAL

Disclosed is an apparatus for the processing of plastics, with a container with a rotatable mixing, where, in a side wall, an aperture is formed, where a conveyor is provided, with a screw rotating in a housing, wherein the imaginary continuation of the longitudinal axis of the conveyor in a direction opposite to the direction of conveying passes the axis of rotation, and wherein the ratio (V) of the active container volume (SV) to the feed volume (BV) of the container or of the cutter compactor (), where V=SV/BV, is one where 4≦V≦30, where the active container volume (SV) is defined by the formula 2806. The apparatus according to claim 1 , wherein the height H of the intake aperture () complies with the formula H=kd claim 1 , where d is the diameter of the screw () and kis a constant claim 1 , where 0.3≦k≦1.5 claim 1 , preferably 0.5≦k≦1.15.4. The apparatus according to claim 1 , wherein L is defined by the formula L=kd and kis a constant claim 1 , with 1≦k≦3.5 claim 1 , preferable 1≦k≦2.8.5. The apparatus according to claim 1 , wherein T is defined by the formula T=kd claim 1 , where kis a constant claim 1 , with 0.05≦k≦0.25 claim 1 , preferably 0.1≦k≦0.25 claim 1 , in particular 0.1≦k≦0.2.751193811112317588. The apparatus according to claim 1 , wherein claim 1 , for a conveyor () in contact with the container () claim 1 , the scalar product of the direction vector that is associated with the direction () of rotation and that is tangential to the circle described by the radially outermost point of the mixing and/or comminution implement () or that is tangential to the plastics material transported past the aperture () and that is normal to a radius () of the container () claim 1 , and that points in the direction () of rotation or of movement of the mixing and/or comminution implement () and of the direction vector () that is associated with the direction of conveying of the conveyor () at each individual point or in the entire region of the aperture () or ...

Rotordisc

Rotordisc

Method and device for injection molding plastic material

The present invention relates to a method and to a device for injection molding plastic material, wherein the starting plastic material to be treated is first subjected to a pretreatment, wherein the plastic material is heated in a receiving container at a temperature below the melting temperature while constantly being mixed, and thereby at the same time is crystallized, dried and/or cleaned and/or the intrinsic viscosity thereof is increased. According to the invention, the plastic material pretreated in this way is transferred into a screw injection molding machine (10) having a screw (16) rotating in a housing (17) and being axially displaceable therein and/or acting as a piston, is plasticized in said screw, and molded into a molded part, for example a preform.

Fuel injector for internal combustion engines

The valve has a valve body (10) with an axially movable injection valve element controlling at least one injection opening, a control valve, a connecting bore (74) and an input bore (70) that intersect at an acute angle in a region that is offset relative to an annular chamber (49) between an insert part and the valve body in a direction of the longitudinal axis (11) of the valve body.

Fuel injector for internal combustion engines

An apparatus and method for processing plastic material

Apparatus and method for heat shock granulation

Method for preparing and detoxifying a thermoplastic material

The invention relates to a method for preparing and detoxifying a thermoplastic material, or for removing interfering substances or contaminants from said material, wherein the material is heated, mixed, and optionally disintegrated in at least one container under a vacuum, and wherein a rinsing medium is introduced into the container and passes through at least a partial region of the material. The rinsing medium discharged from the container is enriched or saturated with interfering substances. According to the invention, the amount of the rinsing medium introduced into the container is less than 5 Nm3, per hour per kilogram of material or material throughput per hour for a gaseous rinsing medium and less than 0.1 liter per hour per kilogram of material or material throughput per hour for a liquid rinsing medium, wherein at the same time the vacuum in the container is permanently held under 100 mbar.

Method and device for injection molding plastic material

The present invention relates to a method and to a device for injection molding plastic material, wherein the starting plastic material to be treated is first subjected to a pretreatment, wherein the plastic material is heated in a receiving container at a temperature below the melting temperature while constantly being mixed, and thereby at the same time is crystallized, dried and/or cleaned and/or the intrinsic viscosity thereof is increased. According to the invention, the plastic material pretreated in this way is transferred into a screw injection molding machine (10) having a screw (16) rotating in a housing (17) and being axially displaceable therein and/or acting as a piston, is plasticized in said screw, and molded into a molded part, for example a preform.

Device for processing plastic material

Conventional devices for treating plastic materials melt some plastics due to pressure in the extruder. The present invention includes a receiving container; a rotatable mixing/comminution tool; a conveyor for discharging plastic from the receiving container; and a housing. A rotating screw is provided in the housing where the conveyor is connected, at its material inlet side via an opening which is formed in a side wall of the receiving container, with the interior of the receiving container. An imaginary extension of the longitudinal axis of the conveyor extends against the conveyance direction of the conveyor, past the rotation axis of the receiving container, without intersecting this rotation axis. The conveyor's longitudinal axis is offset by a separation relative to the radial ray of the receiving container on the discharge side resulting in different conveyance directions of the mixing tool and extruder thus reducing pressure and melting of the plastic.

Method and device for producing semicrystalline polymer material

The present invention relates to a method for producing semicrystalline polymer material, wherein the predominantly amorphous raw polymer material, in particular granules, to be treated is introduced into a crystallization reactor (1) and is partially crystallized there by being heated, but without melting, and subsequently the semicrystalline polymer material obtained in such a way is removed from the crystallization reactor (1) and at least part of said semicrystalline polymer material is diverted and mixed back into the crystallization reactor (1) in order to reduce the adhesive tendency of the polymer material. According to the invention, the diverted semicrystalline polymer material is combined and mixed with the raw polymer material before being mixed back into the crystallization reactor (1), and the mixture is then introduced into the crystallization reactor (1).

Method and device for introducing additive materials

Apparatus for processing plastic material

Method and device for injection molding plastic material

Apparatus for processing plastic material

Apparatus for processing plastics material

DEVICE AND METHOD FOR PREPARING THERMOPLASTIC MATERIAL TO RECYCLE.

Instalación para preparar material termoplástico a reciclar, con al menos dos fases sucesivas de tratamiento (67,68) en relación al flujo de material, que es introducido, en cada una de las fases, desde arriba en un receptáculo (1, 1'', 2), siendo calentado y mezclado en dicho receptáculo (1, 1'', 2) mediante herramientas giratorias (21), eventualmente también es triturado, extrayéndose del receptáculo (1, 1'', 2) el material así tratado mediante un elemento de evacuación (75), preferentemente mediante un husillo (29, 29''), caracterizado porque en la primera fase (67), o al menos en una siguiente, se disponga de dos receptáculos evacuables (1, 1''), unidos en paralelo a un receptáculo evacuable (2) en la última fase (68), estando prevista la instalación (70) de una alimentación alternante por lotes del receptáculo (2) de la última fase (68) desde los receptáculos (1, 1'') de la fase anterior (67), y que el elemento evacuador (75) de cada uno de los receptáculos (1, 1'') de la fase anterior (67) conduzca a un canal (3), en el que esté previsto para cada uno de los receptáculos (1, 1'') un elemento de bloqueo (71), que esté controlado por el dispositivo (71) para la alimentación alternante por lotes del receptáculo (2) de la última fase (68). Installation for preparing thermoplastic material to be recycled, with at least two successive phases of treatment (67.68) in relation to the material flow, which is introduced, in each of the phases, from above into a receptacle (1, 1 '' , 2), being heated and mixed in said receptacle (1, 1``, 2) by means of rotating tools (21), it is also eventually crushed, the material thus treated by means of a receptacle (1, 1 '', 2) being removed evacuation element (75), preferably by means of a spindle (29, 29 ''), characterized in that in the first phase (67), or at least in a subsequent one, two disposable receptacles (1, 1 '') are available ...

Apparatus for processing plastic material

The invention relates to an apparatus for preprocessing and subsequently conveying or plasticizing plastics, comprising a container (1) with a mixing and/or comminuting tool (3) that can rotate about a rotational axis (10), wherein an opening (8) is formed in a lateral wall (9) through which the plastic material can be discharged and a multiple-screw conveyor (5) is provided with at least two screws (6) rotating in a housing (16). The invention is characterized in that the imaginary extension of the longitudinal axis (15) of the conveyor (5) passes by the rotational axis (10) counter the conveying direction (17), wherein the longitudinal axis (15) of the screw (6) that is closest to the container (1) is on the outlet side offset by a distance (18) in relation to the radial (11) that is parallel to the longitudinal axis (15), and the two screws (6) closest to the feed opening (80) run in opposite directions.

Rotor disk

Apparatus for processing plastic material

Apparatus for processing plastic material.

La invención se refiere a un dispositivo para el tratamiento previo y posterior transporte o plastificación de plásticos con un contenedor (1), una herramienta de mezcla y/o triturado (3) alojada de forma giratoria sobre un eje de giro (10), en el que en una pared lateral (9) existe una abertura (8), por la cual el material plástico puede ser descargado, en el que hay previsto un transportador (6) con un caja (16) dentro de la que gira un husillo (6). La invención se caracteriza porque la prolongación imaginaria del eje longitudinal (15) del transportador (5) pasa por el eje de giro (10) opuesta a la dirección de transporte (17), estando el eje longitudinal (15) por el lado de salida desplazado en una separación (18) respecto al eje longitudinal (15) de la radial paralela (11) y porque la relación L/D del husillo (6) es = 7 y el ángulo de colocación (?) de la herramienta de mezcla y/o triturado (3) radialmente más exterior y más cercana a la base (3) cumple la siguiente condición: ? = k * d + K en donde d es el diámetro del husillo (6) en mm K es un factor en el intervalo de 15 a 35, k es un factor en el intervalo de 0.08 a 0.2.

Lance

The invention relates to a method for preparing and cleaning a polymer material, wherein the fragmented and non-melted polymer material is moved and heated in a container (1) by at least one mixing and/or comminuting tool (12, 21), and wherein in order to remove undesired interfering substances that impair the preparation or further processing of the material, a rinsing medium is introduced into the container (1) in an area below the level of the material in the container (1) during operation or below the material level of the mixing vortex that forms, wherein the rinsing medium is conducted at least through a partial area of the material to form a forced flow and wherein the rinsing medium then enriched or saturated with interfering substances is subsequently discharged from the container (1) in an area above the level of the material in the container (1) during operation or above the material level of the mixing vortex. The invention is characterized in that the rinsing medium is introduced into the container (1) by means of at least one feeding means (50), which is arranged on at least one lance (70) that protrudes from a side wall (2) of the container (1) into the interior of the container (1).

Apparatus for pretreatment and subsequent conveying of plastic material having a pocket

Disclosed is an apparatus for the processing of plastics, with a container with a rotatable mixing implement, wherein the imaginary continuation of the longitudinal axis of a conveyor in a direction opposite to the direction of conveying passes the axis of rotation, where, on the outflow side, there is an offset distance between the longitudinal axis and the radial parallel to the longitudinal axis, wherein in the wall section that is part of the housing and that immediately follows the intake aperture in the direction of conveying and that completely surrounds the screw, a pocket extends in the direction of conveying, starting at the downstream edge of the intake aperture over a length (L), where 0.8 d<=L<=9 d, where d is the external diameter or the diameter of the envelope curve of the screw in the wall section.

An apparatus for processing plastics material

Filtering device for fluids

The invention relates to a filtering device for fluids, in particular thermoplastic plastics, comprising a screen carrier (2), which has a rotationally cylindrical outer surface (41) and which is rotatably mounted in a rotationally cylindrical opening (5) of a stationary housing (3), said opening being adapted to the circumference of the screen carrier. A number of screen nests (6) having filter arrangements (7) is formed in the screen carrier along the circumference of the screen carrier. According to the invention, the screen carrier (2) is penetrated by a rotationally cylindrical core part (1) and is rotatably mounted on said core part, wherein the core part (1) and the housing (3) are stationary and rotationally fixed relative to the rotatable screen carrier (2).

Apparatus for the pretreatment and subsequent plastification of plastic material with melt filter

Disclosed is an apparatus for processing of plastics, with a container with a mixing implement, and a conveyor provided with a screw rotating in a housing, the housing being divided into two chambers, the frontal chamber having an intake aperture, and the rearward chamber having at least one degassing aperture, the two chambers being connected to one another through a channel having a melt filter, wherein the imaginary continuation of the longitudinal axis of the conveyor in a direction opposite to the direction of conveying passes the axis of rotation, wherein the distance from the opening of the channel into the rearward chamber to the degassing aperture is in a range from 1.5 to 15 times the nominal diameter (d) of the screw.

Neutralization by filler

Method for producing a filled polymer material

The invention relates to a method for producing a thermoplastic polymer material that is filled with at least one filler, preferably calcium carbonate CaCO

Method and device for preparing and detoxifying

The present invention concerns a method for processing and detoxification of a material, especially a thermoplastic material, and for removal of contaminants or impurities from this material, wherein the material is heated under vacuum in at least one receiving tank (1), mixed and possibly comminuted, and wherein a rinsing medium is introduced into the receiving tank (1) beneath the material level, conducted through at least a partial region of the material, and the rinsing medium enriched or saturated with contaminants is brought out from the receiving tank (1) once more.

DEVICE FOR PRE-TREATMENT AND AFTER FEEDING, PLASTIFICATION OR AGLOMERATION OF PLASTIC MATERIALS

Un dispositivo para el tratamiento previo y posterior transporte o plastificación de materiales plásticos con un contenedor (1) con una herramienta de mezcla y/o trituración que gira alrededor de un eje de rotación (10), que consta de una abertura (8) en una pared lateral (9), a través de la cual el material plástico se puede expulsar, diseñado con un alimentador (5), con un husillo (6) giratorio de la carcasa (16). El presente se caracteriza porque la extensión concebida del eje longitudinal (15) del alimentador (5) pasa en sentido opuesto a la dirección de alimentación (17) frente al eje de rotación (10), donde el eje longitudinal (15) se ha desplazado en una distancia (18) por el lado de la salida a la línea radial (11) paralela al eje longitudinal (15) y porque la distancia mínima (ms) entre la herramienta (3) y el husillo (6) se traza mediante la siguiente relación: ms £ k * d + K, donde cada carácter se refiere a: d diámetro del husillo (6) en mm.; K factor en un intervalo entre 20 hasta 100, principalmente entre 20 y 80; k factor en un intervalo entre 0,03 hasta 0,4, principalmente entre 0,04 y 0,25. A device for the pretreatment and subsequent transport or plasticization of plastic materials with a container (1) with a mixing and / or crushing tool that rotates around an axis of rotation (10), consisting of an opening (8) in a side wall (9), through which the plastic material can be ejected, designed with a feeder (5), with a rotating spindle (6) of the housing (16). This is characterized in that the conceived extension of the longitudinal axis (15) of the feeder (5) passes in the opposite direction to the direction of feeding (17) in front of the axis of rotation (10), where the longitudinal axis (15) has moved at a distance (18) from the side of the exit to the radial line (11) parallel to the longitudinal axis (15) and because the minimum distance (ms) between the tool (3) and the spindle (6) is drawn by the following relation: ms £ k * d + K, where each ...

Method for producing a filled polymer material

Apparatus for the treatment of plastics material

The invention relates to an apparatus for the pretreatment and subsequent conveying or plastification of plastics, with a container (1) with a mixing and/or comminution implement (3) that is rotatable around an axis (10) of rotation, wherein, in a side wall (9), an aperture (8) is formed, through which the plastics material can be removed, a conveyor (5) being provided, with a screw (6) rotating in a housing (16). The invention is characterized in that the imaginary continuation of the longitudinal axis (15) of the conveyor (5) in a direction opposite to the direction (17) of conveying passes the axis (10) of rotation, there being, on the outflow side, an offset distance (18) between the longitudinal axis (15) and the radius (11) that is parallel to the longitudinal axis (15), that the L/D ratio of the screw (6) is >= 7, and that the compressing format of the screw (6) begins only from a distance (A) of more than 1.5 times the diameter (d) of the screw (6)

Filtering device for fluids

The invention relates to a filtering device for fluids, in particular thermoplastic plastics, comprising a screen carrier (2), which has a rotationally cylindrical outer surface (41) and which is rotatably mounted in a rotationally cylindrical opening (5) of a stationary housing (3), said opening being adapted to the circumference of the screen carrier. A number of screen nests (6) having filter arrangements (7) is formed in the screen carrier along the circumference of the screen carrier. According to the invention, the screen carrier (2) is penetrated by a rotationally cylindrical core part (1) and is rotatably mounted on said core part, wherein the core part (1) and the housing (3) are stationary and rotationally fixed relative to the rotatable screen carrier (2).

Method for the pretreatment, reprocessing or recycling of thermoplastic material

The invention relates to a method for the pretreatment, reprocessing or recycling of thermoplastic material, wherein the plastic material to be treated is heated in at least one receptacle or reactor while undergoing constant mixing or movement and/or comminution at a temperature below the melting temperature of the plastic material, and as a result is at the same time crystallized, dried and/or purified, wherein at least one rotatable comminuting or mixing tool, with working edges that act on the material with a comminuting and/or mixing effect, is used for the mixing and/or heating of the plastic material, the heating taking place in particular by applying mechanical energy.

Process for producing a filled polymer material

The invention relates to a method for producing a thermoplastic polymer material that is filled with at least one fil-ler, preferably calcium carbonate CaCO3, sensitive to hydrolytic degradation and optionally hygroscopic, and produced by way of polycondensation, particularly PET, wherein under vacuum conditions, constant stirring or mixing and an increased temperature, a mixture of not yet melted, optionally softened, polymer material comprising the filler is produced, wherein for this purpose a fil-ler, which at the time of addition has not been predried and has a residual moisture (H20) of more than 500 ppm, particularly more than 1000 ppm, is used.

Apparatus for processing plastic material.

La invención se refiere a un dispositivo para el tratamiento previo y transporte o plastificación posterior de plásticos con un contenedor (1), una herramienta de mezcla y/o trituración (3) alojada de forma giratoria sobre un eje de giro (10), en el que en una pared lateral (9) existe una abertura (8), por la cual el material plástico puede ser descargado, en el que hay previsto un transportador (5) con un caja (16) dentro de la que gira un husillo (6). La invención se caracteriza porque la extensión imaginaria del eje longitudinal (15) del transportador (5) pasa opuesta a la dirección de transporte (17) por el eje de rotación (10), estando desplazado el eje longitudinal (15) en el lado de salida respecto a la radial (11) paralela del eje longitudinal (15) por una separación (18) y porque en la cara interior de la pared del contenedor (1) hay instalado al menos un deflector (50) en forma de barra orientado hacia el interior del contenedor (1), cuya trayectoria en altura en sentido de giro (12) de la herramienta de mezcla (3), vista de arriba disminuye hacia abajo y corta en su longitud verticalmente con un plano (E) respecto al eje de giro (10) de las herramientas de mezcla (3) formando un ángulo agudo (?).

Device for pretreating synthetic materials

Dispositivo para pretratar y, a continuación, transportar, plastificar o aglomerar materiales sintéticos, en particular residuos de material termoplástico para fines de reciclaje, con un recipiente (1) para el material a procesar, en el que está dispuesta al menos una herramienta de mezcla y/o de trituración (3) que gira perimetralmente en torno a un eje de rotación (10) para mezclar, calentar y, si procede, triturar el material plástico, en el que está constituido en una pared lateral (9) del recipiente (1), en la zona situada a la altura de la herramienta, o de la herramienta situada más abajo y próxima a la base, de mezcla y/o de trituración (3) un orificio (8) por el que se puede extraer el material plástico pretratado del interior del recipiente (1), estando previsto al menos un transportador de varios tornillos sinfín (5) para recoger el material pretratado, con al menos dos tornillos sinfín (6) que rotan y transportan en el interior de una carcasa (16), en particular tornillos sinfín (6) plastificantes o aglomerantes, presentando la carcasa (16) un orificio de entrada (80) situado en su lado frontal (7) o en la pared de su camisa para el material a captar por el tornillo sinfín (6), estando conectado el orificio de entrada (80) con el orificio (8), siendo los dos tornillos sinfín (6) más próximos al orificio de entrada (80) contrarrotativos entre sí y pasando la prolongación imaginaria del eje longitudinal central (15) del transportador (5) o del tornillo sinfín (6) más próximo al orificio de entrada (80) junto al eje de rotación (10) sin cortarse con él en sentido contrario a la dirección de transporte (17) del transportador (5), caracterizado por que el eje longitudinal (15) del transportador (5) o del tornillo sinfín (6) más próximo al orificio de entrada (80), en el lado de descarga y en la dirección de rotación o de movimiento (12) de la herramienta de mezcla y/o de trituración (3), está desplazado a una cierta distancia (18) con respecto al radial (11) ...

device for pretreating plastics

resumo patente de invenção: "dispositivo para preparação de material plástico". a presente invenção refere-se a um dispositivo para tratamento e posterior transporte ou plastificação de plásticos com um contentor (1), com um misturador e/ou triturador (3) que roda em torno do eixo de rotação (10), possuindo numa parede lateral (9) uma abertura (8) através da qual se pode retirar o material plástico, existindo um transportador (5) com um parafuso (6) que gira dentro de uma caixa (16). a presente invenção refere-se ao prolongamento projetado do eixo longitudinal (15) do transportador (5) que passa junto ao eixo de rotação (10) em sentido contrário ao sentido da deslocação (17), encontrando-se o eixo longitudinal (15) afastado um espaço (18) a jusante em relação às radiais (11) paralelas ao eixo longitudinal (15) e por o do parafuso (6), da perspetiva do início do parafuso (6) no sentido da extremidade ou da abertura de saída do transportador (5) rodar no sentido dos ponteiros do relógio. 20989993v1 1/1 20989993v1 summary patent of invention: "device for preparation of plastic material". the present invention relates to a device for treatment and subsequent transport or plasticization of plastics with a container (1), with a mixer and / or crusher (3) that rotates around the axis of rotation (10), having a wall side (9) an opening (8) through which the plastic material can be removed, with a conveyor (5) with a screw (6) that rotates inside a box (16). the present invention relates to the projected extension of the longitudinal axis (15) of the conveyor (5) which passes close to the axis of rotation (10) in the opposite direction to the direction of travel (17), the longitudinal axis being (15) a space (18) downstream from the radials (11) parallel to the longitudinal axis (15) and by the screw (6), from the perspective of the beginning of the screw (6) towards the end or the outlet opening of the conveyor (5) rotate clockwise. 20989993v1 1/1 20989993v1 ...

PREFORM MANUFACTURE

Apparatus for the pretreatment of thermoplastics waste for recycling purposes

The invention relates to an apparatus for preprocessing and subsequently conveying or plasticizing plastics, comprising a container (1) with a mixing and/or comminuting tool (3) that can rotate about a rotational axis (10), wherein an opening (8) is formed in a lateral wall (9) through which the plastic material can be discharged and a conveyor (5) is provided with a screw (6) rotating in a housing (16). The invention is characterized in that the imaginary extension of the longitudinal axis (15) of the conveyor (5) passes by the rotational axis (10) counter the conveying direction (17), wherein the longitudinal axis (15) is on the outlet side offset by a distance (18) in relation to the radial (11) that is parallel to the longitudinal axis (15). The screw (6) rotates clockwise when seen from the start of the screw (6) in the direction to the end or discharge opening of the conveyor (5).

Apparatus for the pretreatment and subsequent conveying, plastification, or agglomeration of plastics

The invention relates to an apparatus for the pretreatment and subsequent conveying or plastification of plastics, with a container (1) with a mixing and/or comminution implement (3) that is rotatable around an axis (10) of rotation, wherein, in a side wall (9), an aperture (8) is formed, through which the plastics material can be removed, a multiscrew conveyor (5) being provided, with at least two screws (6) rotating in a housing (16). The invention is characterized in that the imaginary continuation of the longitudinal axis (15) of the conveyor (5) in a direction opposite to the direction (17) of conveying passes the axis (10) of rotation, where, on the outflow side, there is an offset distance (18) between the longitudinal axis (15) of the screw (6) closest to the container (1), on the outflow side, and the radius (11) that is parallel to the longitudinal axis (15), and in that the screws (6) co-rotate.

Device for pretreating synthetic materials

Dispositivo para pretratar y, a continuación, transportar, plastificar o aglomerar materiales sintéticos, en particular residuos de material termoplástico para fines de reciclaje, con un recipiente (1) para el material a procesar, en el que está dispuesta al menos una herramienta de mezcla y/o de trituración (3) que gira perimetralmente en torno a un eje de rotación (10) para mezclar, calentar y, si procede, triturar el material plástico, en el que la herramienta de mezcla y/o de trituración (3) y/o el portaherramientas (13) comprende herramientas y/o cuchillas (14) que actúan con sus cantos frontales (22) en la dirección de rotación o de movimiento (12) sobre el material plástico y lo trituran, cortan y/o calientan, y estando constituido en una pared lateral (9) del recipiente (1), en la zona situada a la altura de la herramienta, o de la herramienta situada más abajo y próxima a la base, de mezcla y/o de trituración (3) un orificio (8) por el que se puede extraer el material plástico pretratado del interior del recipiente (1), estando previsto al menos un transportador (5), en particular un extrusor (5), para recoger el material pretratado, con al menos un tornillo sinfín (6) que rota en el interior de una carcasa (16), en particular un tornillo sinfín (6) plastificante o aglomerante, presentando la carcasa (16) un orificio de entrada (80) situado en su lado frontal (7) o en la pared de su camisa para el material a captar por el tornillo sinfín (6), estando conectado el orificio de entrada (80) con el orificio (8), cumpliendo el ángulo de colocación (γ) de la herramienta de mezcla y/o de trituración (3) situada más al exterior radialmente y más próxima a la base o de la herramienta y/o cuchilla (14) más exterior radialmente la siguiente relación: en la que d... es el diámetro del tornillo sinfín (6) en mm, K... es un factor en la gama de entre 15 y 35, k... es un factor en la gama de entre 0,08 y 0,2, midiéndose el ángulo de colocación (γ) en el punto situado más ...

method and device for producing semi-crystalline polymer material.

An apparatus for processing plastics material

Apparatus for granulating hot cut

The invention relates to an apparatus for granulating hot cut, in particular thermoplastic resin material, the material strands melted by an extruder being knocked off into granule pellets in a granulating housing (1) by rotating knives (11) disposed on a shaft (9) driven by way of a motor (13), the granule pellets being picked up by a cooling medium flowing in the granulating housing (1), cooled and discharged out of the granulating housing (1), characterized in that a flow opening (17) establishing a continuous fluid connection between the inside of the granulating housing (1) and the outside environment is designed between the shaft (9) and the region of the granulating housing (1) in which the shaft (9) penetrates the granulating housing (1).

Rotor disk.

La invención se refiere a un disco de rotor (1) para ser insertado en un recipiente colector (2) para el tratamiento de polímeros, con un cuerpo de disco (3) en cuya parte superior (4) pueden estar previstas herramientas de mezcla y/o de trituración (5), en cuya parte inferior (6) opuesta está prevista una serie de nervaduras de transporte (7) que se extienden desde el interior hacia el exterior por medio de las cuales las partículas de polímero pueden ser llevadas hacia el exterior durante el funcionamiento, o bien las nervaduras de transporte ejercen una fuerza dirigida hacia el exterior desde el centro del disco de rotor (1) sobre las partículas de polímero atrapadas por las nervaduras de transporte (7). Según la invención el espesor del cuerpo del disco (3) se reduce hacia el exterior.

A method and apparatus for the recycling of plastic materials

Apparatus for processing plastic material

Procedure for pretreatment and reconditioning of plastic material

Procedimiento para el pretratamiento y reacondicionamiento de material plástico poliolefínico a reciclar en forma depolietileno de alta densidad (HDPE), polietileno de baja intensidad (LDPE), polipropileno (PP), o mezclas de estosmateriales plásticos, estando presente el material en forma de copos de envases triturados o de gránulos, calentándosey al mismo tiempo cristalizándose, secándose y/o purificándose el material plástico a procesar en al menos un recipientecolector o reactor bajo mezcla continua y, dado el caso, trituración, aplicándose para la mezcla y calentamiento delmaterial plástico al menos una herramienta de trituración o de mezcla que gira en torno a un eje vertical, con cantos detrabajo que mezclan y/o trituran el material, produciéndose el calentamiento en particular mediante la carga con energíamecánica,caracterizado por queel material plástico de polietileno de alta densidad (HDPE) se calienta a una temperatura de entre 50°C y 130°C,preferentemente entre 90°C y 122°C, el material plástico de polietileno de baja densidad (LDPE) se calienta a unatemperatura de entre 50°C y 110°C, preferentemente entre 75°C y 105°C, y el material plástico de polipropileno (PP) secalienta a una temperatura de entre 50°C y 155 °C, preferentemente de entre 100°C y 150°C,y por que el material plástico se mezcla a una velocidad periférica de la punta agitadora más exterior de la herramientade mezcla o de trituración de entre 1 y 35 m/s, preferentemente de entre 3 y 20 m/s, y permanece en el reactor duranteun tiempo de permanencia medio de entre 10 y 100 min, en particular de entre 20 y 70 min, y se trata bajo vacío <= 150mbar, preferentemente <= 50 mbar, en particular <= 20 mbar, particularmente entre 0,1 y 2 mbar. Procedure for pretreatment and reconditioning of polyolefin plastic material to be recycled in the form of high density polyethylene (HDPE), low intensity polyethylene (LDPE), polypropylene (PP), or mixtures of these plastic materials, with the ...

Neutralization by filler

The invention relates to a method for adjusting the pH value and/or for neutralizing acid and/or basic compounds, in particular degradation or decomposition products, as part of the reprocessing and recycling of in particular thermoplastic materials, in the course of which the polymer particles are permanently moved and heated in a reactor, wherein at least one filler is added for neutralization purposes, specifically in a quantity which corresponds at least to the anticipated acid or alkali load.

Apparatus for the treatment of plastics material

本發明涉及一種用於對塑料材料進行製備並且後續對其進行輸送或塑化加工的裝置，該裝置具有一個設有能夠圍繞著旋轉軸線(10)旋轉的攪拌粉碎工具(3)的容器(1)、以及在殼體(16)中旋轉的螺桿(6)。該裝置中設置輸送機(5)，且在該裝置側壁(9)中形成開口(8)，通過該開口能夠輸送出塑料材料。本發明的特徵在於，輸送機(5)的縱軸線(15)的假想延長線反向於輸送方向(17)從旋轉軸線(10)的旁邊經過，其中縱軸線(15)在出口側相對於與縱軸線(15)平行的徑線(11)偏移一間距(18)，並且在容器(1)的內壁面上設有至少一個接片狀之指向容器(1)內部的轉向器(50)，該轉向器的高度特性曲線沿攪拌粉碎工具(3)的旋轉方向(12)看係從上往下減小，並且在其長度範圍內與垂直於攪拌粉碎工具(3)的旋轉軸線(10)的平面(E)圍成一個銳角(α)。

An apparatus for the pretreatment and subsequent conveying, plastification or agglomeration of thermoplastics

The invention relates to an apparatus for the pretreatment and subsequent conveying or plastification of plastics, with a container (1) with a mixing and/or comminution implement (3) that is rotatable around an axis (10) of rotation, wherein, in a side wall (9), an aperture (8) is formed, through which the plastics material can be removed, a conveyor (5) being provided, with a screw (6) rotating in a housing (16). The invention is characterized in that the imaginary continuation of the longitudinal axis (15) of the conveyor (5) in a direction opposite to the direction (17) of conveying passes the axis (10) of rotation, there being, on the outflow side, an offset distance (18) between the longitudinal axis (15) and the radius (11) that is parallel to the longitudinal axis (15), and in that the L/D ratio of the screw (6) is >= 7, and in that the setting angle (.gamma.) of the radially outermost mixing and/or comminution implement (3), closest to the base, complies with the following relationship: .gamma. = .kappa. * d + .KAPPA., where d is the diameter of the screw (6) in mm, .KAPPA. is a factor in the range from 15 to 35, .kappa. is a factor in the range from 0.08 to 0.2.

Method for recycling plastic materials

The invention relates to a method and to an assembly for recycling plastic materials, comprising the following processing steps: a) reprocessing the raw material, wherein the material, if necessary, is comminuted and brought into a fluid-like form and heated and permanently mixed, while preserving the lumpiness and pourability thereof, and optionally the viscosity thereof is increased and/or it is degassed, softened, dried and/or crystallized; b) melting the reprocessed material, at least so much that filtration is possible; c) filtering the melt in order to remove impurities; d) homogenizing the filtered melt; e) degassing the homogenized melt; and f) discharging and/or subsequently processing the melt, such as by granulation, blown film processing, with said processing steps being carried out consecutively in the order listed (FIG. 2).

Method for producing a polymer material filled with long fibers

DEVICE FOR PRE-TREATMENT AND AFTER FEEDING, PLASTIFICATION OR AGLOMERATION OF PLASTIC MATERIALS

Un dispositivo para el tratamiento previo y posterior transporte o plastificación de materiales plásticos con un contenedor (1) con una herramienta de mezcla y/o trituración que gira alrededor de un eje de rotación (10), que consta de una abertura (8) en una pared lateral (9), a través de la cual el material plástico se puede expulsar, diseñado con un alimentador (5), con un husillo (6) giratorio de la carcasa (16). Se caracteriza porque la extensión concebida del eje longitudinal (15) del alimentador (5) pasa en sentido opuesto a la dirección de alimentación (17) frente al eje de rotación (10), donde el eje longitudinal (15) se ha desplazado en una distancia (18) por el lado de la salida con respecto a la línea radial (11) paralela al eje longitudinal (15) y porque el diámetro D del contenedor (1) está relacionado con el diámetro d del husillo (8): donde D el diámetro interior del contenedor (1) se mide en mm., d el diámetro del husillo (6) se mide en mm., y K es una constante que se encuentra entre 60 y 180. A device for the pretreatment and subsequent transport or plasticization of plastic materials with a container (1) with a mixing and / or crushing tool that rotates around an axis of rotation (10), consisting of an opening (8) in a side wall (9), through which the plastic material can be ejected, designed with a feeder (5), with a rotating spindle (6) of the housing (16). It is characterized in that the conceived extension of the longitudinal axis (15) of the feeder (5) passes in the opposite direction to the direction of feeding (17) in front of the axis of rotation (10), where the longitudinal axis (15) has moved in a distance (18) on the side of the outlet with respect to the radial line (11) parallel to the longitudinal axis (15) and because the diameter D of the container (1) is related to the diameter d of the spindle (8): where D the inner diameter of the container (1) is measured in mm., d the diameter of the spindle (6) is measured in mm., and K is a ...

Apparatus for the treatment of plastic material

本發明涉及一種用於預處理及後續輸送或塑化塑料的裝置，具有容器(1)，該容器(1)具有可圍繞旋轉軸線(10)旋轉的混合及/或破碎工具(3)，其中，在側壁(9)中設置有孔(8)，塑料材料能夠通過孔(8)排出，設有輸送機(5)，其具有在外殼(16)中旋轉的蝸桿(6)，其特徵在於，輸送機(5)的縱軸線(15)在與輸送方向(17)相反的方向上之想像延長線從旋轉軸線(10)旁經過，其中，縱軸線(15)在出口側與同縱軸線(15)平行的徑向線(11)錯開距離(18)，並且，容器(1)的直徑D與蝸桿(8)的直徑d具有如下關係：□其中，D為以毫米為單位的容器(1)的內徑，d為以毫米為單位的蝸桿(6)的直徑，並且K為常數，該常數為60至180。

Method and apparatus for the processing of plastic material

Apparatus for pretreatment and subsequent conveying of plastic material having a pocket

Disclosed is an apparatus for the processing of plastics, with a container with a rotatable mixing implement, wherein the imaginary continuation of the longitudinal axis of a conveyor in a direction opposite to the direction of conveying passes the axis of rotation, where, on the outflow side, there is an offset distance between the longitudinal axis and the radial parallel to the longitudinal axis, wherein in the wall section that is part of the housing and that immediately follows the intake aperture in the direction of conveying and that completely surrounds the screw, a pocket extends in the direction of conveying, starting at the downstream edge of the intake aperture over a length (L), where 0.8 d<=L<=9 d, where d is the external diameter or the diameter of the envelope curve of the screw in the wall section.

A preform manufacturing device

A preform manufacturing device for manufacturing a preform from thermoplastic resin flakes, comprises a decontamination apparatus removing contaminants in the thermoplastic resin flakes, and an injection molding apparatus injecting and molding the thermoplastic resin supplied from the decontamination apparatus.

Apparatus for the pretreatment and subsequent conveying, plastification, or agglomeration of plastics for recycling purposes

The invention relates to an apparatus for the pretreatment and subsequent conveying or plastification of plastics. An imaginary continuation of the longitudinal axis of the conveyor in a direction opposite to the direction of conveying passes the axis of rotation, where, on the outflow side, there is an offset distance between the longitudinal axis and the radial that is parallel to the longitudinal axis, and in that the ratio (V) of the active container volume (SV) to the feed volume (BV) of the container or of the cutter compactor, where V = SV / BV, is one where 4 <= V <= 30, where the active container volume (SV) is defined by the formula SV = D3 .pi./4 and D is the internal diameter of the container, and where the feed volume (BV) is defined by the formula BV = D2 .pi./4 .cndot. H, where H is the height of the intake aperture.

Apparatus for the pretreatment and subsequent conveying, plastification, or agglomeration of plastics

The invention relates to an apparatus for the pretreatment and subsequent conveying or plastification of plastics. Embodiments of the invention include an imaginary continuation of the longitudinal axis of the conveyor in a direction opposite to the direction of conveying passes the axis of rotation, where, on the outflow side, there is an offset distance between the longitudinal axis and the radial that is parallel to the longitudinal axis, and in that, on the internal wall area of the container, there is at least one bar-shaped deflector which is directed into the interior of the container, and the height profile of which decreases in the direction of rotation of the mixing implement, seen from above, and the angle included thereby, over its length, with a plane perpendicular to the axis of rotation of the mixing implements is an acute angle.

Apparatus for processing plastic material

Apparatus for processing plastic material

The invention relates to an apparatus for preprocessing and subsequently conveying or plasticizing plastics, comprising a container (1) with a mixing and/or comminuting tool (3) that can rotate about a rotational axis (10), wherein an opening (8) is formed in a lateral wall (9) through which the plastic material can be discharged and a conveyor (5) is provided with a screw (6) rotating in a housing (16). The invention is characterized in that the imaginary extension of the longitudinal axis (15) of the conveyor (5) passes by the rotational axis (10) counter the conveying direction (17), wherein the longitudinal axis (15) is on the outlet side offset by a distance (18) in relation to the radial (11) that is parallel to the longitudinal axis (15). At least one web-shaped deflector (50) which is directed into the interior of the container (1) is arranged on the inner wall surface of the container (1), wherein the height profile of said deflector decreases from top to bottom, when seen in the rotational direction (12) of the mixing tool (3), and forms over its length an acute angle (α) with a plane (E) perpendicular to the rotational axis (10) of the mixing tools (3).

A process for the manufacture of a longer fiber filled polymeric material

Device and method for the preparation of recyclable thermoplastic plastic material

The invention relates to a device for the preparation of recyclable thermoplastic plastic materials with two treatment steps (68, 68) in series concerning the material for treatment. In the first step (67), at least two housing containers (1, 1') which may be evacuated are provided, connected in parallel to a housing container (2) for the second stage (68). An arrangement (70) is provided, by means of which an alternating batchwise charging of the housing container (2) of the second stage from the housing containers (1, 1') of the first stage is carried out. Said arrangement (70) controls discharge bodies (75) of the housing container (1, 1') of the previous stage (67), which is supplied through a channel (3). In said channel each housing container (1, 1') of the preceding stage (67) is provided with an isolating body (71). The arrangement (70), for alternating batchwise charging of the housing container (2) of the last stage, controls said isolating bodies (71). The method for the preparation of recyclable thermoplastic plastic materials by means of such a method provides for an alternating and as continuous as possible charging of the housing container (2) of the last stage from the housing containers (1, 1') of the previous stage (67).

Neutralization by filler.

La invención se refiere a un método para el ajuste del valor del pH y/o la neutralización de compuestos ácidos o básicos, en productos de degradación o de descomposición, como parte del reprocesado o reciclado de un material termoplástico en el curso de lo cual las partículas de polímero están movidas y calentadas permanentemente en un reactor, en el que al menos se agrega un relleno para la neutralización, específicamente en una cantidad que corresponde al menos a la carga ácida o alcalina anticipada.

Apparatus for processing plastic material

The invention relates to an apparatus for preprocessing and subsequently conveying or plasticizing plastics, comprising a container (1) with a mixing and/or comminuting tool (3) that can rotate about a rotational axis (10), wherein an opening (8) is formed in a lateral wall (9) through which the plastic material can be discharged and a conveyor (5) is provided with a screw (6) rotating in a housing (16). The invention is characterized in that the imaginary extension of the longitudinal axis (15) of the conveyor (5) passes by the rotational axis (10) counter the conveying direction (17), wherein the longitudinal axis (15) is on the outlet side offset by a distance (18) in relation to the radial (11) that is parallel to the longitudinal axis (15). The smallest possible distance (ms) between the tool (3) and the crew (6) is defined by the following relationship: ms ≤ k * d + K, wherein d... is the diameter of the screw (6) in mm, K is a factor ranging from 20 to 100, in particular 20 to 80, k is a factor ranging from 0.03 to 0.4, in particular 0.04 to 0.25.