Patents by Inventor Klaus Feichtinger
Klaus Feichtinger has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20130092768Abstract: 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.Type: ApplicationFiled: April 13, 2011Publication date: April 18, 2013Applicant: Erema Engineering Recycling Maschinen und Anlagen Gesellschaft m.b.H.Inventors: Klaus Feichtinger, Manfred Hackl, Gerhard Wendelin
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Patent number: 8419997Abstract: 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.Type: GrantFiled: February 11, 2009Date of Patent: April 16, 2013Assignee: EREMA Engineering Recycling Maschinen und Anlagen Gesellschaft m.b.H.Inventors: Manfred Hackl, Klaus Feichtinger, Gerhard Wendelin
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Publication number: 20130087641Abstract: 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.Type: ApplicationFiled: January 17, 2011Publication date: April 11, 2013Applicant: EREMA Engineering Recycling Maschinen undInventors: Manfred Hackl, Klaus Feichtinger, Gerhard Wendelin, George Weigerstorfer, James Donaldson
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Patent number: 8399599Abstract: 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, . . . ).Type: GrantFiled: August 14, 2008Date of Patent: March 19, 2013Assignee: EREMA Engineering Recycling Maschinen und Anlagen Gesellschaft m.b.H.Inventors: Manfred Hackl, Gerhard Wendelin, Klaus Feichtinger
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Publication number: 20130055583Abstract: 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.Type: ApplicationFiled: January 17, 2011Publication date: March 7, 2013Applicant: EREMA Engineering Recycling Maschinen und Anlagen Geselischaft m.b.H. Friedorf,Inventors: Manfred Hackl, Klaus Feichtinger, Gerhard Wendelin, Walter Reisinger
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Patent number: 8334326Abstract: 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.Type: GrantFiled: March 30, 2010Date of Patent: December 18, 2012Assignee: Erema Engineering Recycling Maschinen und Anlagen Gesellschaft m.b.H.Inventors: Klaus Feichtinger, Manfred Hackl, Gerhard Wendelin
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Publication number: 20120294725Abstract: Disclosed is 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 provided 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). The conveying ribs (7) 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.Type: ApplicationFiled: January 7, 2011Publication date: November 22, 2012Applicant: EREMA Engineering Recycling Maschinen und Anlagen Gesellschaft m.b.H.Inventors: Manfred Hackl, Klaus Feichtinger, Gerhard Wendelin
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Publication number: 20120165497Abstract: 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).Type: ApplicationFiled: December 27, 2010Publication date: June 28, 2012Applicant: EREMA Engineering Recycling Maschinen und Anlagen Gesellschaft m.b.H.Inventors: Klaus Feichtinger, Manfred Hackl, Andreas Roessler-Czermak, Gerald Weis
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Publication number: 20120091609Abstract: 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).Type: ApplicationFiled: April 14, 2010Publication date: April 19, 2012Applicant: EREMA ENGINEERING RECYCLING MASCHINEN UND ANALAGENInventors: Klaus Feichtinger, Manfred Hackl, Gerhard Wendelin
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Publication number: 20120071573Abstract: 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.Type: ApplicationFiled: March 30, 2010Publication date: March 22, 2012Applicant: EREMA Engineering Recycling Maschinen und Anlagen Gesellschaft m.b.H.Inventors: Klaus Feichtinger, Manfred Hackl, Gerhard Wendelin
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Publication number: 20120024999Abstract: 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.Type: ApplicationFiled: January 7, 2011Publication date: February 2, 2012Applicant: EREMA ENGINEERING RECYCLING MASCHINEN UND ANLAGENInventors: Manfred Hackl, Klaus Feichtinger, Gerhard Wendelin
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Publication number: 20110287123Abstract: 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).Type: ApplicationFiled: November 18, 2009Publication date: November 24, 2011Inventors: Klaus Feichtinger, Manfred Hackl, Gerhard Wendelin
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Publication number: 20110251368Abstract: 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, . . . ).Type: ApplicationFiled: August 14, 2008Publication date: October 13, 2011Applicant: EREMA Engineering Recycling Maschinen und Anlagen Gesellschaft m.b.H.Inventors: Manfred Hackl, Gerhard Wendelin, Klaus Feichtinger
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Publication number: 20110049763Abstract: 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.Type: ApplicationFiled: February 11, 2009Publication date: March 3, 2011Applicant: EREMA Engineering Recycling Maschinen und Anlagen Gesellschaft m.b.H.Inventors: Manfred Hackl, Klaus Feichtinger, Gerhard Wendelin
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Publication number: 20110040011Abstract: 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.Type: ApplicationFiled: March 30, 2009Publication date: February 17, 2011Applicant: EREMA Engineering Recycling Mashinen und Anlagen Gessellschaft m.b.H.Inventors: Klaus Feichtinger, Gerhard Wendelin, Manfred Hackl
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Publication number: 20100289175Abstract: 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).Type: ApplicationFiled: October 22, 2008Publication date: November 18, 2010Inventors: Klaus Feichtinger, Gerhard Wendelin, Manfred Hackl, Christian Eckhart
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Publication number: 20100216902Abstract: 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.Type: ApplicationFiled: November 13, 2007Publication date: August 26, 2010Applicant: EREMA ENGINEERING RECYCLING MASCHINEN UND ANLAGEN GESELLSCHAFT M.B.H. FREINDORF UNTERFELDSTRASSE 3Inventors: Gerhard Wendelin, Klaus Feichtinger, Manfred Hackl
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Publication number: 20100140381Abstract: The invention relates to a process and an apparatus for the treatment of a material in the form of fragments or particles which is moved and/or rotated, mixed, heated and, if appropriate, comminuted by at least one mixing element (12, 21) in a receiver or cutter-compactor (1), where, in the course of the process, undesired substances which impair the treatment of and/or further operations on the material are removed from the material by introducing a gas, in particular air or an inert gas, in a region below the level of the material located in the receiver (1) during its operation, or below the level of material of the mixing vortex which forms within the receiver (1), where the gas is forced to flow through at least a subregion of the material, and where the gas then saturated with, or with an increased concentration of, undesired substances is discharged from the receiver (1) in a region above the level of the material located in the receiver (1) during its operation or above the level of the material of thType: ApplicationFiled: February 8, 2008Publication date: June 10, 2010Applicant: Erema Engineering Recycling Maschinen und Anlagen Gesellschaft m.b.H.Inventors: Georg Weigerstorfer, Klaus Feichtinger, Peter Pauli
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Publication number: 20100101454Abstract: 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).Type: ApplicationFiled: November 22, 2007Publication date: April 29, 2010Applicant: EREMA ENGINEERING RECYCLING MASCHINEN UND ANLAGENInventors: Gerhard Wendelin, Klaus Feichtinger, Manfred Hackl
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Publication number: 20090004325Abstract: A device for filling an extruder, which can optionally be an external extruder, with pretreated thermoplastic plastics material, in particular PET, has at least one evacuatable container (1) in which moving, in particular rotating, tools (7) are provided for pretreatment of the material. This pretreatment comprises drying and, optionally, crystallisation. Each container (1) has a discharge opening (18) for the flowable material (12), which discharge opening (18), with respect to the material, is fluidically connected to the filling opening (35) of the extruder (36). The device preferably has only a single container stage, the outlet of which is fluidically connected to a coupling (69), which is connectable to the filling opening (35) of the extruder (36), via a transfer section (31) maintaining the flowable state of the material (12) pretreated in the container (1) (FIG. 1).Type: ApplicationFiled: December 22, 2005Publication date: January 1, 2009Applicant: EREMA Engineering Recycling Maschinen Und Anlagen Gesellschaft M.B.H.Inventors: Helmut Bacher, Helmuth Schulz, Klaus Feichtinger