EP1866468B1 - Barreau de grille - Google Patents

Barreau de grille Download PDF

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Publication number
EP1866468B1
EP1866468B1 EP06721895A EP06721895A EP1866468B1 EP 1866468 B1 EP1866468 B1 EP 1866468B1 EP 06721895 A EP06721895 A EP 06721895A EP 06721895 A EP06721895 A EP 06721895A EP 1866468 B1 EP1866468 B1 EP 1866468B1
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EP
European Patent Office
Prior art keywords
grate bar
plane
free surface
angle
grate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Not-in-force
Application number
EP06721895A
Other languages
German (de)
English (en)
Other versions
EP1866468B2 (fr
EP1866468A1 (fr
Inventor
Walter Schlepfer
Hansueli MÜLLER
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Maschinenfabrik Rieter AG
Original Assignee
Maschinenfabrik Rieter AG
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Publication date
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Application filed by Maschinenfabrik Rieter AG filed Critical Maschinenfabrik Rieter AG
Publication of EP1866468A1 publication Critical patent/EP1866468A1/fr
Application granted granted Critical
Publication of EP1866468B1 publication Critical patent/EP1866468B1/fr
Publication of EP1866468B2 publication Critical patent/EP1866468B2/fr
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Anticipated expiration legal-status Critical

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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
    • D01G9/00—Opening or cleaning fibres, e.g. scutching cotton
    • D01G9/14—Details of machines or apparatus
    • D01G9/20—Framework; Casings; Coverings; Grids

Definitions

  • the present invention relates to a grate bar for a cleaning device of a spinning preparation machine, in particular for a cleaning machine or card, with a free surface, which is an ⁇ ffnerwalze the spinning preparation machine undeliverable and with a Anstell Structure, which, based on the direction of rotation of the ⁇ ffnerwalze upstream the free surface adjoining limiting straight line, wherein one of the boundary line outgoing first half-plane, which is tangent to the free surface and one of the boundary straight outgoing half-plane, which touches the Anstell Structure, include a cutting edge.
  • the present invention relates to a cleaning device for a spinning preparation machine, in particular for a cleaning machine or card, with a ⁇ ffnerwalze.
  • the raw cotton is delivered in pressed bales for spinning.
  • the unwanted dirt is firmly embedded in the raw cotton.
  • Cleaning devices of the type described here have revolving or rotating ⁇ ffneraggregate.
  • Circumferential ⁇ ffneraggregate include, for example, needle pads.
  • pin rollers, nasal drums, nasal sheathing rollers, carding rollers, flapping blades, needle bar wings and needle bar rollers are counted among the rotating opener units.
  • the mentioned ⁇ ffneraggregate be uniformly referred to as ⁇ ffnerwalze.
  • the opening, also called dissolving, of the fiber material transported along an opening roller is effected by a mechanical action of the driven opener roller on the fiber material. By this mechanical action at the same time dirt is released from the fiber material.
  • the opened or dissolved fiber material is carried along with the loosely contained therein now pollution on a cup-like arranged on the opening roller rust. A part of this fiber material is thereby discharged to the outside, for example, by gravity, centrifugal force or by an air flow through the grate. In relation to the supplied, uncleaned fiber material contains this removed by the rust part of the fiber material, which is also called outlet, a large proportion of contaminants. As a result, the fiber material not guided by the grate is ultimately cleaned. However, the finish also includes a certain amount of fiber material, which is undesirable but unavoidable.
  • Grates are segments which typically enclose a quarter to three quarters of the opener roll. It is also possible to assign a grate roller several grates. Grates consist of several individual, ultimately a shell-forming, edged grate elements. In addition to slotted sheets, perforated sheets, angle bars and knives, grate bars with a triangular cross-section are used today as grate elements.
  • the cleaning effect of the cleaning device depends in particular on the proportion of the waste from the total fiber material supplied.
  • the departure can be adjusted by changing the geometric arrangement of the grate bars. So common cleaning devices have an actuator to change both the distance of the grate bars to ⁇ ffnerwalze and the angle of attack of the individual grate bars. It is also known to increase the departure by the gap between the bars is increased. However, this requires an extremely complex actuator, so that this method is only partially suitable for increasing the outflow in practice.
  • Cleaning devices comprising a ⁇ ffnerwalze and grate bars, as independent cleaning machines, such as coarse cleaner or fine cleaner, trained or part of a spinning preparation machine, such as a blender or a card, which serves primarily for other purposes may be.
  • a cleaning device can be arranged in the hopper or in the licker-on zone of a card. In the latter case, for example, the licker-in (Briseur) of the card is used as a ⁇ ffnerwalze in the sense of this application.
  • the disclosed cleaning apparatus comprises an impactor-tipped roll for dissolving the supplied fibrous material into flakes and a plurality of grate bars arranged in groups on the circumference of the opening roll.
  • An Indian EP 0 381 859 shown grate bar has an open space, which is arranged opposite the peripheral surface of the opening roller, and a counter to the feed direction of the fiber material facing Anstell Structure.
  • Free surface and Anstell Design are each flat, so two-dimensional, formed. Furthermore, they have a common transition line, which runs in a boundary line.
  • a first half-plane extending from the delimiting straight line, which touches the free surface, and a second half-plane emanating from the delimiting straight line, which touches the positioning surface, form in the mathematical sense, namely in the sense of spatial geometry (stereometry), an edge which relates to the Longitudinal direction of the grate bar extends to both sides in the infinite. That part of this mathematically defined edge, which extends along the boundary line between the free surface and the positioning surface, defines a cutting edge in the physical sense.
  • the first half-plane and the second half-plane thus contain the physical (real) cutting edge
  • the grate bar further has a newly formed third surface.
  • a so-called triangular grid is disclosed.
  • the grate bars can be changed by an actuator in their distance from the opening roller and in their angle of attack, also called pitch. Should z. B. the proportion of the departure based on the total supplied fiber material can be increased, the grate bars can be brought closer to the opening roller and / or be made steeper. In both cases, the finish and thus the cleaning effect can be effectively increased.
  • the setting of the parameters mentioned is carried out so that sets a balance between cleaning effect and loss of suitable for further processing fiber material. So it is not set the maximum but the optimal finish.
  • the fiber cleaning causes severe damage to the cleaned fiber material intended for further processing.
  • Fiber damage is understood, for example, as kinking, tearing or tearing off a fiber. Such fiber damage is undesirable because it is detrimental to the quality of the final product produced in a spinning mill.
  • Object of the present invention is thus to propose a grate bar and a cleaning device, which allows an improved cleaning effect with the same fiber damage or a lower fiber damage with constant cleaning effect.
  • the gap width between the grate bars should remain the same.
  • a grate bar according to the invention has an open space, which is formed in three dimensions. It differs from the three-bar grate bars known from the prior art in that the free surface is no longer arranged in a two-dimensional plane. Due to the three-dimensional design of the open space, a similar effect can be achieved as if the distance of the grate bars would be increased. A Actual increase in the distance of the grate bars is thus no longer necessary to improve the Abgang s.
  • a grate bar according to the invention can be installed in the production of any spinning preparation machine with a corresponding cleaning device. It is likewise possible to retrofit grate bars according to the invention in existing spinning preparation machines. For this purpose, it is only necessary to provide the grate bars according to the invention with fixing sections which correspond to the fixing sections existing on the spinning preparation machine. Usually, such fastening portions are provided on the end faces.
  • the free surface is formed on the second half-plane side facing the first half-plane. All sections of the free surface are thus either in the first half plane defining the cutting edge or on the side of this half plane facing the center of the cross section of the grate bar, wherein at least a portion of the free surface protrudes from the first half plane.
  • the free surface following the boundary line, has a first plane section lying in the first half plane. This results in a high stability of the cutting edge.
  • the free surface has a second planar section, which is inclined relative to the first half plane in the direction of the second half plane by an angle ⁇ .
  • the angle ⁇ has a value between 15 ° and 40 °, wherein the first planar portion 30% -70%, preferably 40% -60%, of the total area of the flank comprises.
  • the free surface can consist exclusively of the first planar section and the second planar section.
  • the free surface comprises a third planar section, which is inclined relative to the first half plane in the direction of the second half plane by an angle ⁇ . In this way, an improved guidance or a lighter sliding of the Schwarzenden fiber material can be effected.
  • the first planar section may comprise 15% -50%, preferably 25% -40%, and the second planar section 15% -50%, preferably 25% -40%, of the total area of the flank.
  • the angle ⁇ may have a value between 3 ° and 10 ° and the angle ⁇ may have a value between 15 ° and 50 °.
  • the open space can consist exclusively of the three mentioned flat sections. Alternatively, further sections can be connected to the third planar section.
  • At least one edge formed by two of said planar sections has a rounding or bevel. This also ensures an improved management of preciselyschcheidenden material.
  • the free surface may include at least one convexly curved portion. Although such curved sections are more expensive to manufacture, so can the removal of the Schwarzenden fiber material can be facilitated.
  • a convex curved section can be connected directly to the boundary line.
  • this convexly curved portion may comprise 30% -70%, preferably 40% -60%, of the total area of the free surface.
  • said convexly curved portion may be connected to the first planar portion.
  • the first planar section preferably comprises 30% -70%, preferably 40% -60%, of the total area of the free surface. This results in a particularly good guidance of the fiber material on the side facing away from the cutting edge of the free surface.
  • the Anstell configuration is preferably formed as a plane.
  • a flat Anstell configuration counteracts in particular a possible blockage of the grate bar assembly.
  • the first half-plane and the second half-plane include a chevron angle ⁇ with a value between 30 ° and 80 °, preferably between 45 ° and 65 °. As a result, a good mechanical stability of the grate bar can be achieved.
  • the grate bar is designed as a extruded profile bar.
  • a profile bar can be easily and inexpensively manufactured.
  • the grate bar can have a hollow profile. As a result, the total weight of the grate bar can be kept low.
  • the opener roller is assigned at least one grate bar according to the invention, whereby the advantages according to the invention are achieved.
  • the at least one grate bar is pivotally mounted about an axis which runs parallel to the axis of rotation of the opening roller.
  • the proportion of excreted material can be adjusted easily.
  • the grate bar is pivotable such that the angle ⁇ can have negative values from a tangential plane of the opening roller extending through the delimiting straight line to the first half plane.
  • the angle ⁇ then has negative values if the tangential plane has to be rotated by a clockwise rotation into the first half plane. If the angle ⁇ is set to negative values, the fiber damaging effect of the cutting edge is substantially reduced.
  • the grate bar is pivotally mounted so that the angle ⁇ at least in a range of -5 ° to + 30 °, preferably from -15 ° to + 45 °, is adjustable.
  • the material excretion can be influenced in a wide range.
  • the axis of the at least one grate bar is adjustable at a distance from the opening roller. This results in a further variation possibility.
  • FIG. 1 shows a coarse cleaner 1 as an example of a spinning preparation machine with a cleaning device. It has a driven opener roller 2, which rotates about the axis of rotation 8 in the direction of rotation DR, and is occupied in the usual way with impact pins 6. The outer ends of the impact pins 6 move on the impact circle 7.
  • the coarse cleaner 1 has an inlet 4 for the supply of fiber material to be cleaned to FM and an outlet 5 for the purified fibrous material FM ger on.
  • the supplied fiber material is FM in the form of fiber flocks FF, which are transported by a conveying air stream. In this case, the conveying air flow is guided around at the opening roller 2. Due to the mechanical action of the impact pins 6 on the fiber flakes FF they are continuously refined. In this case, dirt material is extracted from the fiber flakes FF. A large part of this dirty material passes with a portion of the fiber flakes FF as a departure AG through the spaces between the grate bars 10 through into a collecting trough. 3
  • FIG. 2 shows an enlarged view of three grate bars 10, which are associated with the opening roller 2.
  • the fiber flakes FF are opened by the opener roller 2 and carried along on its circumference. Dirt and part of the fiber flakes FF are, however, excreted between adjacent grate bars 10 outward as leaving AG. The separation of the outgo AG of the further transported fiber flakes FF takes place at the transition of the free surface 11 to the Anstell Chemistry 12.
  • the grate bars 10 shown here have a triangular cross section and come from the prior art. However, such grate bars 10 are not only used in coarse cleaners as in the example described here, but also in other cleaning devices on other spinning preparation machines.
  • the grate bars 10 have a cutting edge 19 at their end facing the direction of rotation DR.
  • the grate bars 10 are each pivotally mounted about an axis 9. The possible pivoting movement is indicated by a curved double arrow.
  • a position of the grate bars 10 is indicated, which causes a relatively small outlet AG.
  • a position is indicated in which the departure AG is substantially increased.
  • the respective cutting edge 19 of the grate bar 10 attacks extremely aggressively on the fiber flakes FF guided past. This results in a considerable damage to the cleaned fiber material FM ger .
  • FIG. 3 shows a grate bar 10 according to the prior art in perspective view in a Cartesian xyz coordinate system.
  • the grate bar 10 has an open space 11, which is arranged completely in a plane parallel to the xy plane.
  • the free surface 11 is thus formed two-dimensionally and is bounded at its upstream end by a boundary line 13.
  • the boundary line 20 between the free surface 11 and 12 Anstell Type is included.
  • the boundary line 20 and the subsequent sections of the first half-plane 14 and the second half-plane 15th form the physically trained cutting edge 19 of the grate bar 10. From the first half-plane 14 and the second half-plane 15 of the edge angle ⁇ , which is also the edge angle ⁇ of the cutting edge 19 is included.
  • FIG. 4 shows an embodiment of a grate bar 10 according to the invention in cross section in the yz plane.
  • a first planar section 11a which adjoins the boundary straight line 13, extends within the first half plane 14.
  • the second planar section 11b is inclined relative to the first half plane 14 by the angle ⁇ in the direction of the second half plane 15.
  • an edge 16 is shown, which has a rounding.
  • FIG. 5 shows a further inventive grate bar 10, which is also shown in cross section, ie in the yz plane.
  • the relief surface 11 is divided into a first planar portion 11a, a second planar portion 11b, and a third planar portion 11c.
  • the first planar section 11a is as in the example of FIG. 4 arranged in the first half-plane 14.
  • the second planar portion 11b is inclined relative to the first half plane 14 by the angle ⁇ .
  • the third planar section 11 c is inclined relative to the first half plane 14 by the angle ⁇ .
  • FIG. 6 shows a further example of a grate bar 10 according to the invention, wherein the free surface 11 comprises a curved portion 11d, which starts from the boundary line 13 and merges at the transition 17 without forming an edge in a flat portion 11 e of the flank 11.
  • FIG. 7 shows an embodiment of a grate bar 10 according to the invention in cross section.
  • outgoing flat portion 11a closes at the junction 17 without forming an edge, a convex curved portion 11d.
  • FIG. 8 shows the basis of the FIG. 5 described grate bar 10 and its relative arrangement with respect.
  • the beating circle 7 is simplified as a straight line.
  • the angle ⁇ also called free angle, from a running through the boundary line 13 tangential plane of the opening roller 2 to the first half plane 14 has a negative value, since the imaginary tangent plane 18 would have to be rotated in the clockwise direction to convert them into the first tangent plane 14 ,
  • the grate bar 10 causes a very low fiber damage, but due to the downward slope of the third planar portion 11c still a relatively high amount of dirt material can be excreted.
  • FIG. 9 is the grate bar 10 from the FIG. 8 pivoted counterclockwise.
  • the angle ⁇ itself assumes a positive value.
  • the fiber damaging effect of the grate bar 10 is compared to that in the FIG. 8 described situation increases. However, it is not higher than would be the case if a known from the prior art triangular grate bar in the same position would be arranged. Compared to the conventional grate bar but a higher elimination is ensured.
  • inventive grate bars can be combined in a cleaning device.
  • a combination of one or more inventive grate bars with conventional grate elements such as slotted sheets, perforated plates, triangular bars, angle bars or knives is possible. It may further be provided that the grate bars of a cleaning device individually, in groups or in their entirety are adjustable.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Preliminary Treatment Of Fibers (AREA)
  • Spinning Or Twisting Of Yarns (AREA)

Claims (21)

  1. Barreau de grille (10) pour un dispositif de nettoyage d'une machine de préparation de filature (1), en particulier pour une machine de nettoyage ou une machine de cardage, comprenant une surface libre (11) qui peut être rapprochée d'un cylindre d'ouverture (2) de la machine de préparation de filature (1), et comprenant une surface de positionnement (12) qui, en amont par rapport au sens de rotation (DR) du cylindre d'ouverture (2), se raccorde à une droite de limitation (13) limitant la surface libre (11), un premier demi-plan (14) partant de la droite de limitation (13), qui est tangent à la surface libre (11), et un deuxième demi-plan (15) partant de la droite de limitation (13) et qui est tangent à la surface de positionnement (12), contenant une arête de coupe (19), caractérisé en ce que la surface libre (11) est réalisée sous forme tridimensionnelle.
  2. Barreau de grille (10) selon la revendication 1, caractérisé en ce que la surface libre (11) est réalisée sur le côté du premier demi-plan (14) tourné vers le deuxième demi-plan (15).
  3. Barreau de grille (10) selon l'une quelconque des revendications précédentes, caractérisé en ce que la surface libre (11) comprend, à la suite de la droite de limitation (13), une première portion plane (11a), qui se situe dans le premier demi-plan (14).
  4. Barreau de grille (10) selon la revendication précédente, caractérisé en ce que la surface libre (11) comprend, à la suite de la première portion plane (11a), une deuxième portion plane (11b), qui est inclinée d'un angle α par rapport au premier demi-plan (14) dans la direction du deuxième demi-plan (15).
  5. Barreau de grille (10) selon la revendication précédente, caractérisé en ce que l'angle α présente une valeur comprise entre 15° et 40° et en ce que la première portion plane (11a) comprend 30% à 70%, de préférence 40% à 60% de la surface totale de la surface libre (11).
  6. Barreau de grille (10) selon la revendication 4 ou 5, caractérisé en ce que la surface libre (11) comprend, à la suite de la deuxième portion plane (11b), une troisième portion plane (11c) qui est inclinée d'un angle β par rapport au premier demi-plan (14) dans la direction du deuxième demi-plan (15).
  7. Barreau de grille (10) selon la revendication précédente, caractérisé en ce que la première portion plane (11a) comprend 15% à 50%, de préférence 25% à 40%, et la deuxième portion plane (11b) comprend 15% à 50%, de préférence 25% à 40%, de la surface totale de la surface libre (11).
  8. Barreau de grille (10) selon la revendication 6 ou 7, caractérisé en ce que l'angle α présente une valeur comprise entre 3° et 10° et l'angle β présente une valeur comprise entre 15° et 50°.
  9. Barreau de grille (10) selon l'une quelconque des revendications 4 à 8, caractérisé en ce qu'au moins une arête (16) formée par deux desdites portions planes (11a, 11b, 11c) présente un arrondi ou un biseau.
  10. Barreau de grille (10) selon l'une quelconque des revendications précédentes, caractérisé en ce que la surface libre (11) comprend au moins une portion (11d) de courbure convexe.
  11. Barreau de grille (10) selon la revendication 10, caractérisé en ce qu'une dite portion de courbure convexe (11d) se raccorde à la droite de limitation (13), ladite portion de courbure convexe (11d) comprenant 30% à 70%, de préférence 40% à 60%, de la surface totale de la surface libre (11).
  12. Barreau de grille (10) selon la revendication 10, caractérisé en ce qu'une dite portion de courbure convexe (11d) se raccorde à la première portion plane (11a), la première portion plane (11a) comprenant 30% à 70%, de préférence 40% à 60%, de la surface totale de la surface libre (11).
  13. Barreau de grille (10) selon l'une quelconque des revendications précédentes, caractérisé en ce que la surface de positionnement (12) est réalisée sous forme plane.
  14. Barreau de grille (10) selon l'une quelconque des revendications précédentes, caractérisé en ce que le premier demi-plan (14) et le deuxième demi-plan (15) forment un angle d'arête γ compris entre 30° et 80°, de préférence entre 45° et 65°.
  15. Barreau de grille (10) selon l'une quelconque des revendications précédentes, caractérisé en ce qu'il est réalisé sous forme de barre profilée extrudée en boudin.
  16. Barreau de grille (10) selon l'une quelconque des revendications précédentes, caractérisé en ce qu'il présente un profilé creux.
  17. Dispositif de nettoyage pour une machine de préparation de filature (1), en particulier pour une machine de nettoyage ou une machine de cardage, comprenant un cylindre d'ouverture (2), caractérisé en ce que le cylindre d'ouverture (2) est associé à au moins un barreau de grille (10) selon l'une quelconque des revendications précédentes.
  18. Dispositif de nettoyage selon la revendication précédente, caractérisé en ce que l'au moins un barreau de grille (10) est monté de manière à pouvoir pivoter autour d'un axe (9) qui s'étend parallèlement à l'axe de rotation (8) du cylindre d'ouverture (2).
  19. Dispositif de nettoyage selon la revendication précédente, caractérisé en ce que l'au moins un barreau de grille (10) peut pivoter de telle sorte que l'angle δ d'un plan tangentiel du cylindre d'ouverture (2) passant par la droite de limitation (13), par rapport au premier demi-plan (14), puisse présenter des valeurs négatives.
  20. Dispositif de nettoyage selon la revendication précédente, caractérisé en ce que l'au moins un barreau de grille (10) peut pivoter de telle sorte que l'angle δ puisse être ajusté au moins dans une plage de -5° à +30°, de préférence de -15° à +45°.
  21. Dispositif de nettoyage selon l'une quelconque des revendications 17 à 20, caractérisé en ce que l'axe (9) de l'au moins un barreau de grille (10) peut être réglé par rapport à la distance au cylindre d'ouverture (2).
EP06721895A 2005-04-07 2006-04-03 Barreau de grille Not-in-force EP1866468B2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH6322005 2005-04-07
PCT/CH2006/000188 WO2006105681A1 (fr) 2005-04-07 2006-04-03 Barreau de grille

Publications (3)

Publication Number Publication Date
EP1866468A1 EP1866468A1 (fr) 2007-12-19
EP1866468B1 true EP1866468B1 (fr) 2009-06-10
EP1866468B2 EP1866468B2 (fr) 2012-09-05

Family

ID=36407989

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06721895A Not-in-force EP1866468B2 (fr) 2005-04-07 2006-04-03 Barreau de grille

Country Status (5)

Country Link
EP (1) EP1866468B2 (fr)
CN (1) CN101155951B (fr)
BR (1) BRPI0607780A2 (fr)
DE (1) DE502006003938D1 (fr)
WO (1) WO2006105681A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4155439A1 (fr) 2021-09-28 2023-03-29 Maschinenfabrik Rieter AG Procédé et dispositif pour le nettoyage de matières fibreuses

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102031596B (zh) * 2010-12-29 2015-04-01 卓郎（金坛）纺织机械有限公司 开棉机的尘格调节机构
DE102020134588A1 (de) 2020-12-22 2022-06-23 Trützschler GmbH & Co Kommanditgesellschaft Vorrichtung zur Öffnung von Fasermaterial und damit ausgestattete Textilmaschine
CH719001A1 (de) 2021-09-28 2023-03-31 Rieter Ag Maschf Reinigungsmaschine.

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Publication number Priority date Publication date Assignee Title
GB191021273A (en) * 1909-09-13 1911-03-30 Morris Wehli Improvements in Grid Bars for Conical Openers for Treating Fibrous Materials.
US1661518A (en) * 1926-01-28 1928-03-06 Wehli Morris Grid bar for fiber-treating machines
US1611696A (en) † 1926-04-17 1926-12-21 Meinrad F Thoma Machinery for preparing textile fibers
SU1470818A1 (ru) * 1987-04-14 1989-04-07 Ташкентский институт текстильной и легкой промышленности им.Ю.Ахунбабаева Колосникова решетка
EP0381859B1 (fr) 1989-01-31 1994-06-15 Maschinenfabrik Rieter Ag Machine de nettoyage pour fibres textiles
CN2259410Y (zh) * 1995-12-11 1997-08-13 江苏省金坛市纺织机械总厂 混开棉机的开松除杂装置
ATE279561T1 (de) * 1998-04-21 2004-10-15 M & J Fibretech As Siebnetz zur verteilung von fasern
US6138326A (en) † 1999-11-16 2000-10-31 Pinto; Akiva Mote knife
DE10230603B4 (de) * 2002-07-08 2017-06-14 Trützschler GmbH & Co Kommanditgesellschaft Verfahren und Vorrichtung an einer Spinnereivorbereitungsmaschine, z.B. Reiniger, Öffner, Karde o. dgl., zur Reinigung von Fasergut

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4155439A1 (fr) 2021-09-28 2023-03-29 Maschinenfabrik Rieter AG Procédé et dispositif pour le nettoyage de matières fibreuses

Also Published As

Publication number Publication date
EP1866468B2 (fr) 2012-09-05
DE502006003938D1 (de) 2009-07-23
BRPI0607780A2 (pt) 2009-06-13
WO2006105681A1 (fr) 2006-10-12
EP1866468A1 (fr) 2007-12-19
CN101155951B (zh) 2010-09-29
CN101155951A (zh) 2008-04-02

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