ES2633693T3 - Fiber collection device - Google Patents

Fiber collection device Download PDF

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Publication number
ES2633693T3
ES2633693T3 ES11177969.0T ES11177969T ES2633693T3 ES 2633693 T3 ES2633693 T3 ES 2633693T3 ES 11177969 T ES11177969 T ES 11177969T ES 2633693 T3 ES2633693 T3 ES 2633693T3
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cylinder
fibers
machine
supplied
release
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Spanish (es)
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Hubert Hergeth
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Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
    • D01G15/00—Carding machines or accessories; Card clothing; Burr-crushing or removing arrangements associated with carding or other preliminary-treatment machines
    • D01G15/02—Carding machines
    • D01G15/12—Details
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
    • D01G15/00—Carding machines or accessories; Card clothing; Burr-crushing or removing arrangements associated with carding or other preliminary-treatment machines
    • D01G15/02—Carding machines
    • D01G15/72—Arrangements for returning waste to be re-carded

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Preliminary Treatment Of Fibers (AREA)

Abstract

Dispositivo para una máquina que forma material no tejido y que presenta al menos tres cilindros, presentando el dispositivo al menos un cilindro desprendedor (10) y un dispositivo de retorno (11, 12), estando situado el cilindro desprendedor (10; 6) con respecto a la disposición adyacente a una distancia con respecto a un cilindro (3; 4; 5; 6; 7) de la máquina que forma material no tejido de tal manera que las fibras en exceso, que configuran irregularidades, se retiran a lo largo de toda la anchura de trabajo del cilindro o a lo largo de partes de la misma y se suministran desde la máquina que forma material no tejido al dispositivo de retorno (11) y pudiéndose conectar el dispositivo de retorno (11, 12) con la máquina que forma material no tejido de tal manera que las fibras retiradas pueden suministrarse de nuevo sin un procesamiento adicional a las fibras que van a procesarse antes de la formación de una estera de fibras suministrada a la máquina.Device for a machine that forms non-woven material and has at least three cylinders, the device having at least one release cylinder (10) and one return device (11, 12), the release cylinder (10; 6) being located with with respect to the adjacent arrangement at a distance with respect to a cylinder (3; 4; 5; 6; 7) of the machine forming nonwoven material such that the excess fibers, which shape irregularities, are removed along of the entire working width of the cylinder or along parts thereof and are supplied from the machine that forms nonwoven material to the return device (11) and the return device (11, 12) can be connected to the machine that It forms nonwoven material so that the removed fibers can be supplied again without further processing to the fibers to be processed before the formation of a fiber mat supplied to the machine.

Description

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DESCRIPCIONDESCRIPTION

Dispositivo de recogida de fibrasFiber collection device

En maquinas con elementos de trabajo en forma de cilindro, que forman un material no tejido a partir de fibras cortadas, son comunes para la separacion y la homogeneizacion los tambores dotados de accesorios, que se denominan cilindros trabajadores-descargadores. Vease la norma DIN 64118.In machines with work elements in the form of a cylinder, which form a non-woven material from cut fibers, drums equipped with accessories, which are called worker-unloader cylinders, are common for separation and homogenization. See DIN 64118.

En estas maquinas, un cilindro trabajador recibe fibras, en particular acumulaciones de fibras, del tambor y las entrega al cilindro descargador, que las suministra de nuevo al cilindro. Si a la maquina de formacion de material no tejido se le suministra una estera de fibras con un punto grueso, al pasar las fibras por la maquina de formacion de material no tejido este punto grueso se estira algo mediante los cilindros trabajadores, pero no se elimina completamente. El material no tejido es irregular y tiene un aspecto “nuboso”.In these machines, a working cylinder receives fibers, in particular fiber accumulations, from the drum and delivers them to the unloading cylinder, which supplies them back to the cylinder. If a fiber mat with a thick point is supplied to the non-woven material forming machine, when the fibers pass through the non-woven material forming machine this thick point is somewhat stretched by the working cylinders, but it is not removed completely. The non-woven material is irregular and has a “cloudy” appearance.

El objetivo de la invencion es crear un dispositivo que aumente la regularidad del material no tejido y requiera menos cilindros trabajadores-descargadores.The aim of the invention is to create a device that increases the regularity of the nonwoven material and requires fewer worker-unloader cylinders.

Concretamente se conocfa succionar la borrilla volante de la maquina de formacion de material no tejido en puntos individuales y recircular estas fibras. En maquinas de preparacion de lana se conoce separar a golpes cadillos del tambor a lo largo de la anchura de trabajo con un golpeador de cadillos y despues llevarlos al material de desecho. En cardas de chapones de algodon se evacuan con chapones moviles en una gran superficie fibras cortas y suciedad del tambor y se suministran al material de desecho.Specifically, it was known to suction the flywheel of the machine for forming nonwoven material at individual points and recirculating these fibers. In wool preparation machines, it is known to knock out drums from the drum along the working width with a slasher and then take them to the waste material. In cotton flat cards, small fibers and dirt from the drum are evacuated with mobile sheds on a large surface and supplied to the waste material.

El documento DE 98805 C1 da a conocer una abridora para fraccionar y mezclar lana y otras sustancias fibrosas, que fracciona el material suministrado por medio de un tambor dotado con resaltes rectos. Aguas abajo del suministro y el fraccionamiento del material se encuentra un tambor perforado, que esta en contacto con el tambor, presenta un sentido de movimiento opuesto y de ese modo desprende los floculos que quedan colgados del tambor y que todavfa se arrastran. Estos floculos se suministran de nuevo a traves del tambor perforado, una telera sin fin y un par de rodillos estriados al tambor.Document DE 98805 C1 discloses an opener for splitting and mixing wool and other fibrous substances, which divides the material supplied by means of a drum provided with straight projections. Downstream of the supply and the fractionation of the material is a perforated drum, which is in contact with the drum, has an opposite direction of movement and thus detaches the floccules that are hung from the drum and still creep. These flocks are supplied again through the perforated drum, an endless telera and a pair of grooved rollers to the drum.

En la produccion de material no tejido no se han previsto medidas de este tipo hasta la fecha. Ademas, en este procedimiento se ha intentado separar de manera definitiva las partes no deseadas. En el dispositivo de recogida de fibras segun la invencion no se quiere separar las fibras, sino suministrarse de nuevo al procesamiento y conseguir una homogeneizacion del material no tejido.In the production of non-woven material no such measures have been planned to date. In addition, this procedure has attempted to permanently separate unwanted parts. In the fiber collection device according to the invention it is not desired to separate the fibers, but to be fed back to the processing and achieve a homogenization of the nonwoven material.

Una forma de realizacion especial del cilindro recogedor es un cilindro con un diametro diferente a lo largo de la anchura de trabajo del cilindro. Esto es ventajoso cuando se quiere dotar al material no tejido de un perfil especial, por ejemplo mas delgado o mas grueso en los bordes, o que se vuelva mas grueso lentamente al acercarse al centro, para mejorar el procesamiento adicional.A special embodiment of the collecting cylinder is a cylinder with a different diameter along the working width of the cylinder. This is advantageous when it is desired to provide the non-woven material with a special profile, for example thinner or thicker at the edges, or that it becomes thicker slowly when approaching the center, to improve further processing.

Un efecto similar puede conseguirse no realizando el elemento pisador segun la reivindicacion 7) y 8) como en el caso de una cuchilla con la misma distancia con respecto al tambor a lo largo de la anchura de trabajo, sino presentando un canto, cuya distancia con respecto al cilindro que continua conduciendo las fibras vana a lo largo de toda la anchura de trabajo. Esto puede tener lugar tambien mediante una subdivision de la cuchilla y la distancia de los segmentos de cuchilla individuales puede ajustarse manualmente o mediante un elemento de accionamiento.A similar effect can be achieved by not performing the tread element according to claim 7) and 8) as in the case of a blade with the same distance with respect to the drum along the working width, but by presenting a edge, whose distance with with respect to the cylinder that continues to drive the fibers along the entire working width. This can also take place by a subdivision of the blade and the distance of the individual blade segments can be adjusted manually or by means of a drive element.

La invencion se explica mediante las figuras 1 y 2.The invention is explained by figures 1 and 2.

La figura 1 muestra a modo de ejemplo una maquina de formacion de material no tejido. Una estera de fibras 1) se suministra a traves de un denominado par de cilindros alimentadores 2) a un cilindro tomador 3). Con un cilindro de transferencia 4) se transfieren las fibras a un cilindro principal 7). Alrededor del cilindro principal 7) estan dispuestos cilindros trabajadores 5) y cilindros descargadores 6). Un cilindro desprendedor 8) recibe las fibras y forma un material no tejido. El material no tejido se retira del cilindro desprendedor mediante la unidad de extraccion 9).Figure 1 shows by way of example a machine for forming nonwoven material. A fiber mat 1) is supplied through a so-called pair of feeder cylinders 2) to a tapping cylinder 3). With a transfer cylinder 4) the fibers are transferred to a main cylinder 7). Around the main cylinder 7) working cylinders 5) and discharging cylinders 6) are arranged. A release cylinder 8) receives the fibers and forms a nonwoven material. The non-woven material is removed from the release cylinder by the extraction unit 9).

En el dibujo esquematico se representa con a) un punto grueso en la alimentacion de la estera de fibras y con b) el punto grueso estirado en la salida de la maquina de formacion de material no tejido. Los cilindros trabajadores 5) y los cilindros descargadores 6) han estirado y aplanado el punto grueso.In the schematic drawing it is represented with a) a thick point in the feeding of the fiber mat and with b) the thick point stretched at the exit of the non-woven material forming machine. The working cylinders 5) and the unloading cylinders 6) have stretched and flattened the thick point.

La figura 2 muestra la misma maquina con un cilindro desprendedor 10) dispuesto adicionalmente, que recoge las fibras en exceso y las entrega a un punto de acumulacion, tal como una tolva 11). Las fibras se succionan a traves de una abertura 12) y se suministran directamente de nuevo automaticamente mediante la unidad de desprendimiento a la corriente de fibras, que forma la estera de fibras. Este cilindro desprendedor con succion puede colocarse tambien en otros cilindros o tambores de la maquina, por ejemplo en el tambor principal o en un cilindro trabajador o descargador. Por ejemplo, el cilindro descargador tambien puede estar configurado como cilindro desprendedor, no entregando las fibras al tambor 7,3 asociado al mismo, sino entregando las fibras a una corriente de aire o una cinta transportadora. Es importante el desprendimiento del material no tejido que forma lasFigure 2 shows the same machine with a detaching cylinder 10) additionally arranged, which collects excess fibers and delivers them to a point of accumulation, such as a hopper 11). The fibers are suctioned through an opening 12) and are supplied directly again automatically by the fiber flow detachment unit, which forms the fiber mat. This suction release cylinder can also be placed in other cylinders or drums of the machine, for example in the main drum or in a working or unloading cylinder. For example, the unloading cylinder can also be configured as a release cylinder, not delivering the fibers to the drum 7.3 associated therewith, but delivering the fibers to a stream of air or a conveyor belt. It is important the detachment of the non-woven material that forms the

irregularidades, la devolucion automatica de estas fibras en exceso a lo largo de la anchura de trabajo y la alimentacion dado el caso repetida de las fibras devueltas. De manera correspondiente, el cilindro desprendedor esta dispuesto de manera adyacente al cilindro tomador 3), o a cilindros de transferencia 4) del cilindro tomador con respecto al tambor o cilindro principal, o al tambor o cilindro principal 7), o a un cilindro trabajador 5) o cilindro 5 descargador 6) y toma asf las fibras de este cilindro, antes de que se transfiera la parte principal de las fibras del tambor o cilindro asociado al cilindro desprendedor. Los dibujos esquematicos a) y b) muestran la estera de fibras antes y el material no tejido despues de la maquina.irregularities, the automatic return of these fibers in excess along the working width and the feeding given the repeated case of the returned fibers. Correspondingly, the release cylinder is disposed adjacent to the take-up cylinder 3), or transfer cylinders 4) of the take-up cylinder with respect to the drum or main cylinder, or to the drum or main cylinder 7), or to a working cylinder 5) or discharging cylinder 5) and thus taking the fibers of this cylinder, before the main part of the fibers of the drum or associated cylinder is transferred to the releasing cylinder. The schematic drawings a) and b) show the fiber mat before and the non-woven material after the machine.

Ventajosamente se coloca un elemento pisador 13) que puede ajustarse con respecto al cilindro 4) en un punto, 10 antes de que las fibras alcancen el cilindro desprendedor.Advantageously, a tread element 13) can be placed which can be adjusted with respect to the cylinder 4) at a point, 10 before the fibers reach the release cylinder.

El cilindro desprendedor tiene ventajosamente un accesorio con un angulo neutro o un angulo de ataque negativo, para que las fibras retiradas se suelten bien del cilindro desprendedor y no giren. Su sentido de rotacion es el mismo que el del cilindro o tambor asociado al mismo, del que se retiran las fibras. Su velocidad periferica asciende a de 15 0,6 a 2,0 veces la velocidad periferica del cilindro o tambor asociado al mismo, pero preferiblemente tambien puedeThe release cylinder advantageously has an accessory with a neutral angle or a negative angle of attack, so that the removed fibers release well from the release cylinder and do not rotate. Its direction of rotation is the same as that of the cylinder or drum associated therewith, from which the fibers are removed. Its peripheral speed amounts to 15 0.6 to 2.0 times the peripheral speed of the cylinder or drum associated therewith, but preferably it can also

ser mayor que la velocidad periferica del cilindro o tambor asociado al mismo.be greater than the peripheral speed of the cylinder or drum associated with it.

Claims (13)

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REIVINDICACIONES Dispositivo para una maquina que forma material no tejido y que presenta al menos tres cilindros,Device for a machine that forms non-woven material and has at least three cylinders, presentando el dispositivo al menos un cilindro desprendedor (10) y un dispositivo de retorno (11, 12),the device having at least one release cylinder (10) and a return device (11, 12), estando situado el cilindro desprendedor (10; 6) con respecto a la disposicion adyacente a una distancia con respecto a un cilindro (3; 4; 5; 6; 7) de la maquina que forma material no tejido de tal manera que las fibras en exceso, que configuran irregularidades, se retiran a lo largo de toda la anchura de trabajo del cilindro o a lo largo de partes de la misma y se suministran desde la maquina que forma material no tejido al dispositivo de retorno (11) ythe release cylinder (10; 6) being located with respect to the adjacent arrangement at a distance from a cylinder (3; 4; 5; 6; 7) of the machine forming nonwoven material such that the fibers in excess, which configure irregularities, are removed along the entire working width of the cylinder or along parts thereof and are supplied from the machine that forms nonwoven material to the return device (11) and pudiendose conectar el dispositivo de retorno (11, 12) con la maquina que forma material no tejido de tal manera que las fibras retiradas pueden suministrarse de nuevo sin un procesamiento adicional a las fibras que van a procesarse antes de la formacion de una estera de fibras suministrada a la maquina.the return device (11, 12) can be connected to the machine that forms nonwoven material so that the removed fibers can be supplied again without further processing to the fibers to be processed before the formation of a fiber mat supplied to the machine. Dispositivo segun la reivindicacion 1, caracterizado porque el cilindro desprendedor (10) esta dispuesto de manera adyacente a un cilindro principal (7), a un cilindro trabajador o descargador (5; 6) o a un cilindro tomador (3) o cilindros de transferencia (4) y de este modo retira las fibras de este cilindro, antes de que se pase la parte principal de las fibras desde el tambor o cilindro asociado al cilindro desprendedor.Device according to claim 1, characterized in that the release cylinder (10) is disposed adjacent to a main cylinder (7), a working or unloading cylinder (5; 6) or a pickup cylinder (3) or transfer cylinders ( 4) and thus remove the fibers from this cylinder, before the main part of the fibers is passed from the drum or cylinder associated with the detachment cylinder. Dispositivo segun la reivindicacion 1 o 2, caracterizado porque esta prevista una conduccion de aire (12), de tal manera que las fibras, que se retiran del cilindro desprendedor (10), se evacuan de manera neumatica y se suministran de nuevo a la corriente de fibras en algun punto antes de la alimentacion de canal de descarga.Device according to claim 1 or 2, characterized in that an air duct (12) is provided, such that the fibers, which are removed from the release cylinder (10), are evacuated pneumatically and are supplied back to the current of fibers at some point before the discharge channel feed. Dispositivo segun una de las reivindicaciones 1-3, caracterizado porque el cilindro desprendedor (10) esta dotado de un accesorio o resaltes y el accesorio presenta preferiblemente un angulo neutro o un angulo de ataque negativo.Device according to one of claims 1-3, characterized in that the release cylinder (10) is provided with an accessory or projections and the accessory preferably has a neutral angle or a negative angle of attack. Dispositivo segun una de las reivindicaciones 1-4, caracterizado porque puede ajustarse la distancia del cilindro desprendedor con respecto al cilindro adyacente al mismo.Device according to one of the claims 1-4, characterized in that the distance of the detachment cylinder from the adjacent cylinder can be adjusted. Dispositivo segun una de las reivindicaciones 1-5, caracterizado porque la velocidad periferica del cilindro desprendedor asciende a de 0,6 a 2,0 veces la velocidad periferica del cilindro adyacente al mismo y preferiblemente es mayor que la velocidad periferica del cilindro adyacente al mismo.Device according to one of claims 1-5, characterized in that the peripheral velocity of the release cylinder amounts to 0.6 to 2.0 times the peripheral velocity of the cylinder adjacent thereto and preferably is greater than the peripheral velocity of the cylinder adjacent thereto. . Dispositivo segun una de las reivindicaciones 1-6, caracterizado porque en el sentido de corriente de fibras principal antes del cilindro desprendedor (10) esta previsto un elemento pisador (13).Device according to one of claims 1-6, characterized in that in the direction of main fiber current before the release cylinder (10) a tread element (13) is provided. Dispositivo segun la reivindicacion 7, caracterizado porque puede ajustarse una distancia del elemento pisador (13) con respecto al cilindro adyacente, para influir en la proporcion de las fibras que van a evacuarse.Device according to claim 7, characterized in that a distance of the tread element (13) can be adjusted with respect to the adjacent cylinder, to influence the proportion of the fibers to be evacuated. Dispositivo segun una de las reivindicaciones 1-8, caracterizado porque el diametro del cilindro desprendedor (10) es distinto a lo largo de la anchura de trabajo.Device according to one of claims 1-8, characterized in that the diameter of the release cylinder (10) is different along the working width. Dispositivo segun una de las reivindicaciones 7 y 8, caracterizado porque la distancia del elemento pisador (13) con respecto al cilindro que transporta fibras, desde el que se evacuan las fibras, vana a lo largo de la anchura de trabajo.Device according to one of claims 7 and 8, characterized in that the distance of the tread element (13) with respect to the cylinder that carries fibers, from which the fibers are evacuated, varies along the working width. Dispositivo segun una de las reivindicaciones 7 y 8, caracterizado porque la distancia aumenta al menos una vez y disminuye al menos una vez a lo largo de la anchura de trabajo.Device according to one of claims 7 and 8, characterized in that the distance increases at least once and decreases at least once along the working width. Dispositivo segun una de las reivindicaciones 7 y 8, caracterizado porque el elemento pisador se forma a partir de varios segmentos, que pueden desplazarse manualmente o mediante elementos de desplazamiento automaticamente a una distancia con respecto al cilindro que transporta fibras.Device according to one of claims 7 and 8, characterized in that the tread element is formed from several segments, which can be moved manually or by means of displacement elements automatically at a distance from the cylinder that carries fibers. Maquina que forma material no tejido, que presenta un dispositivo segun una de las reivindicaciones anteriores y al menos tres cilindros que transportan fibras dotados de dientes de sierra o resaltes.Machine that forms non-woven material, which has a device according to one of the preceding claims and at least three cylinders carrying fibers provided with saw teeth or projections. Procedimiento para el procesamiento de fibras cortadas en una maquina que forma material no tejido, caracterizado porque una parte de las fibras cortadas que forma irregularidades se retira por medio de al menos un cilindro desprendedor (10) de cilindros cargados con fibras cortadas de la maquina que forma material no tejido y estas fibras cortadas retiradas se evacuan y se suministran de nuevo a la corriente de fibras principal suministrada a la maquina que forma material no tejido antes de la formacion de la estera deProcess for processing cut fibers in a machine that forms non-woven material, characterized in that a part of the cut fibers that form irregularities is removed by means of at least one release cylinder (10) of cylinders loaded with fibers cut from the machine that It forms nonwoven material and these removed cut fibers are evacuated and supplied back to the main fiber stream supplied to the machine forming nonwoven material before the formation of the mat fibras suministrada al alimentador, sin que se separen partes de las fibras.fibers supplied to the feeder, without separating parts of the fibers. 15. Procedimiento segun la reivindicacion 14, caracterizado porque puede influirse en la cantidad de las fibras cortadas retiradas a lo largo de la anchura de trabajo en secciones y la influencia tiene lugar mediante 5 diferentes diametros del cilindro desprendedor o mediante diferentes distancias del pisador delante del15. Method according to claim 14, characterized in that the amount of the cut fibers removed along the working width in sections can be influenced and the influence takes place by 5 different diameters of the detachment cylinder or by different distances from the trader in front of the cilindro desprendedor a lo largo de la anchura de trabajo.release cylinder along the working width.
ES11177969.0T 2010-08-18 2011-08-18 Fiber collection device Active ES2633693T3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE201010034775 DE102010034775A1 (en) 2010-08-18 2010-08-18 Fiber safety gear
DE102010034775 2010-08-18

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ES2633693T3 true ES2633693T3 (en) 2017-09-22

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DE (1) DE102010034775A1 (en)
ES (1) ES2633693T3 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011120715A1 (en) * 2011-12-12 2013-06-13 Hubert Hergeth Profiling or leveling a non-woven fiber fleece using a fleece forming system, comprises transporting the non-woven fiber fleece to a milling device and detaching the fiber fleece from the milling device

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE98805C (en) * 1900-01-01
DE1202192B (en) * 1960-03-16 1965-09-30 Daiwa Spinning Co Ltd Machine for opening and cleaning cotton
CN2177023Y (en) * 1993-11-22 1994-09-14 萧进兴 Improved structure roller carding machine
DE10118067A1 (en) * 2001-04-11 2002-10-17 Truetzschler Gmbh & Co Kg Carding assembly has the leading opening cylinders which can be rotated around the center points of the feed roller or adjacent cylinders, to set the gap between the clamping and combing points
CN2554193Y (en) * 2002-04-17 2003-06-04 青岛胶南东佳纺机集团有限公司 Carding machine
DE10252203A1 (en) * 2002-11-09 2004-05-27 Hergeth, Hubert A., Dipl.-Ing. Dipl.-Wirtsch.-Ing. Width distribution method
CN100439586C (en) * 2004-02-03 2008-12-03 吴冬仙 Processing method and equipment for heat preservation shrink-proof cotton slice
DE102005038419A1 (en) * 2005-08-12 2007-02-15 Maschinenfabrik Rieter Ag Cleaning device for a textile machine
CN200958134Y (en) * 2006-10-08 2007-10-10 湖南博云高科技有限公司 Carder of carding machine

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CN102517695A (en) 2012-06-27
EP2420602A2 (en) 2012-02-22
DE102010034775A1 (en) 2012-02-23
EP2420602A3 (en) 2015-01-21
CN102517695B (en) 2016-08-31

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