EP2390390B1 - Cadre de condensateur d'une unité d'étirage pour ruban de fibres - Google Patents

Cadre de condensateur d'une unité d'étirage pour ruban de fibres Download PDF

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Publication number
EP2390390B1
EP2390390B1 EP11172059A EP11172059A EP2390390B1 EP 2390390 B1 EP2390390 B1 EP 2390390B1 EP 11172059 A EP11172059 A EP 11172059A EP 11172059 A EP11172059 A EP 11172059A EP 2390390 B1 EP2390390 B1 EP 2390390B1
Authority
EP
European Patent Office
Prior art keywords
fiber structure
compressor unit
pressure roller
frame component
deflecting
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.)
Active
Application number
EP11172059A
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German (de)
English (en)
Other versions
EP2390390A1 (fr
Inventor
Gerd Stahlecker
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
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Maschinenfabrik Rieter AG filed Critical Maschinenfabrik Rieter AG
Publication of EP2390390A1 publication Critical patent/EP2390390A1/fr
Application granted granted Critical
Publication of EP2390390B1 publication Critical patent/EP2390390B1/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
    • D01H—SPINNING OR TWISTING
    • D01H5/00—Drafting machines or arrangements ; Threading of roving into drafting machine
    • D01H5/18—Drafting machines or arrangements without fallers or like pinned bars
    • D01H5/70—Constructional features of drafting elements
    • D01H5/72—Fibre-condensing guides

Definitions

  • the invention relates to a frame part of a compressor unit for a distortion of a fiber structure of staple fibers drafting.
  • a drafting system of the type mentioned is by the DE 103 46 258 A1 State of the art.
  • a compressor component is provided which has a plurality of means for deflecting the fiber structure.
  • the compressor component sits with a concave cylindrical jacket-shaped bearing surface on the delivery roller of the drafting system.
  • the compressor component includes pincer-like holding parts which are clipped onto the delivery roller so that the compressor component rides on the delivery roller.
  • the load carrier for example, to remedy a yarn breakage
  • the fiber structure must be manually inserted into the means designed as baffles for redirecting.
  • the invention has for its object to propose a frame part for a compressor unit of a drafting system of the type mentioned.
  • the frame part is connectable with strips, comprising means for deflecting the fiber composite, that the frame part has a loading means and a receptacle for an axis of a pressure roller of the drafting system, and that the receptacle is a retaining clip for the axis of the pressure roller assigned.
  • the unstressed compressor unit with means for deflecting the fiber structure can by the attachment to the pressure roller, in particular on the axis of the pressure roller, when lifting the pressure roller of the lower roller, for example in the correction of a thread break, together be lifted off with the pressure roller.
  • the path of the fiber structure is thereby freely accessible and can optionally be easily cleaned.
  • the compressor unit sets with the means for deflecting the fiber structure from above the fiber structure.
  • the fiber strand threads itself into the means for redirecting.
  • the means for deflecting the fiber structure can preferably be formed by baffles which, for example, have a curved surface or are also arranged obliquely to the fiber structure.
  • the baffles may also be arranged funnel-shaped to densify the fiber structure during the deflection.
  • the lower roller of the drafting system are preferably associated with two pressure rollers, which form two successive clamping lines with the lower roller.
  • At the first nip line there is the completely warped fiber structure.
  • the fiber structure is compacted and compacted by a mechanical deflection means.
  • the compression zone is limited by the second nip line.
  • the compressor unit includes a further means for deflecting, which is arranged upstream of the first nip line.
  • the deflecting means upstream of the first clamping line is located in the main drafting zone of the drafting system and can deflect the fiber structure from the imaginary shortest connecting line between a pair of straps and the first clamping line transversely to the transporting direction.
  • the deflection of the fiber structure from the stretching field plane causes improved guidance of the fiber structure after the pair of straps and before the nip line, which ends the drafting zone of the drafting system.
  • the leadership of the staple fibers of the fiber structure during the main delay is thereby improved.
  • the peripheral surface of the lower roller thereby forms a transport means for supporting the fiber structure, which is particularly important in the compression zone can be.
  • the means for deflecting the fiber structure in the main draft zone may preferably comprise a convex guide surface which deflects the fiber structure downwards from the stretch field plane so that the convex guide surface is partially wrapped by the fiber structure.
  • the means for deflecting the fiber structure in the main drafting zone can already be designed in such a way that a reduction in the width of the fiber structure is already realized here. This can be done, for example, by providing a U-shaped or V-shaped groove, at the bottom of which the convex guide surface is arranged.
  • the convex guide surface is designed so that it is in a longitudinal section through the groove, ie a section perpendicular to the center line of the cylinder jacket-shaped bearing surface recognizable.
  • the compressor unit with its receptacle for a part of the pressure roller is designed such that the compressor unit is movable in the axial direction of the pressure roller.
  • the arranged on the compressor unit means for deflecting the fiber structure are thereby movable in the direction of the axis of the pressure roller, so that they can follow a traversing of the fiber structure transverse to its transport direction.
  • the compressor unit contains a loading means which acts essentially at the center of the cylinder jacket-shaped bearing surface.
  • This loading means may for example be formed as a magnet which exerts an attractive force on the steel lower roller.
  • the loading means be designed as a compression spring.
  • the compression spring may be in the form of a coil spring, leaf spring or leg spring and is disposed between a part of the pressure roller and the means for deflecting.
  • the compression spring is supported on the non-rotating axis of the pressure roller and loads the cylinder jacket-shaped bearing surfaces against the peripheral surface of the lower roller.
  • each means for deflecting the fiber structure is assigned its own concave cylindrical jacket-shaped bearing surface, which is located on a respective strip.
  • a first strip with means for deflecting the fiber structure is arranged in front of the first nip line, and a second strip with means for deflecting is arranged downstream of the first nip line.
  • a bar can be arranged easily movable in the compressor unit, so that the concave cylindrical jacket-shaped bearing surface can align when placed on the lower roller to a small extent and optimally touches the peripheral surface.
  • the strips can also be fixedly mounted in the compressor unit.
  • the compressor unit preferably contains two frame parts in addition to the two strips, which are arranged next to the reference of the pressure roller and record the strips with the means for deflecting.
  • the receptacle for the axis of the pressure roller and the loading means is arranged.
  • the recording for the axis of the pressure roller is supported on the axis, so that it is prevented that the compressor unit is taken by the rotational movement of the lower roller. It is advantageous if the compressor unit is designed with the two cylinder jacket-shaped bearing surfaces substantially symmetrical to the fastening means, so that the pressure force evenly distributed.
  • FIG. 1 drafting system 1 shown only partially consists essentially of drivable lower rollers which pressable pressure rollers are assigned and forgiven a fiber strand 2 of staple fibers in the transport direction A to the desired fineness. It is only a pair of rollers 3, 4 shown, which consists of the lower roller 3 and the pressure roller 4. Before the pair of rollers 3, 4 a Riemchenwalzencru is arranged, of which only the pair of straps 5, 6 is indicated consisting of the ceremoniessriemchen 5 and 6. The ceremoniessriemchen 5 and 6 serve in a conventional manner the leadership of the fiber structure 2. After the main drafting zone of the drafting system 1 at the nip line 7 between the lower roller 3 and the pressure roller 4, the delay of the fiber structure 2 is completed.
  • the finished warped fiber structure 2 then passes through a compression zone 8, in which it is compacted and compacted.
  • the compression zone 8 is bounded on the outlet side by a nip 9, which is formed by a second, the lower roller 3 associated pressure roller 10.
  • the fiber structure 6 can be given its rotation, so that the finished thread 11 is formed.
  • the drafting device 1 may be part of a spinning machine, in which the thread 11 is given its rotation, for example by an air nozzle or a ring spindle.
  • a plurality of drafting units 1 are arranged side by side and the lower roller 3 is as in the machine longitudinal direction continuous sub-cylinder formed.
  • the pressure rollers 4 and 10 of two adjacent drafting systems can be formed in a known manner in each case with a common axis 12 as Druckwalzenzwilling.
  • the pressure roller 4 is fastened together with the other pressure rollers, not shown, of the drafting system 1 on a swing-open load carrier 13.
  • the load carrier 13 is indicated only schematically and can be swung up about a pivot axis, not shown, upwards, so that the pressure rollers 4, 10 stand out from the lower roller 3. A lifting of the pressure rollers 4, 10 is required for eliminating malfunctions in the drafting system 1 from time to time.
  • the pressure roller 10 may be secured in a manner not shown with a main body to the pressure roller 4, so that the pressure rollers 4 and 10 form a pressure roller assembly. Alternatively, the pressure roller 10 may also be attached directly to the load carrier 13.
  • a compressor unit 14 which contains two mechanical means 15 and 16 for deflecting the fiber structure.
  • the means 15 and 16 for deflecting the fiber structure 2 are spaced from each other in the transport direction A.
  • the first means 15 for deflecting is in front of the nip line 7 and the second means 16 for deflecting is arranged after the nip line 7.
  • Each means 15 or 16 for deflecting a concave cylindrical jacket-shaped bearing surface 17 and 18 associated with the compressor unit 14 rests on the peripheral surface 19 lower roller 3 of the drafting system 1.
  • the compressor unit 14 includes a receptacle 20 for the axis 12 of the pressure roller 4.
  • the compressor unit 14 also includes loading means 21, which act substantially to the center of the cylinder jacket-shaped bearing surfaces 17, 18 and press the compressor unit 14 to the lower roller 3.
  • the means 15, 16 for deflecting the fiber structure 2 are in the form of tunnel-shaped compression channels 22, 23 which are open to the cylinder jacket-shaped bearing surface 17, 18.
  • the peripheral surface 19 of the lower roller 3 forms a transport, which supports and transports the fiber structure 2 in the region of the means 15, 16 for deflecting.
  • this transport effect of the peripheral surface 19 of the lower roller 3 is important so that the compressed fiber structure 2 reaches the nip 9 unscathed.
  • the fiber structure 2 lies between the nip lines 7 and 9 constantly on the peripheral surface 19 and is not lifted from the lower roller 3. It may be advantageous that the tunnel-shaped compression channels 22 and 23 are designed in the form of substantially U- or V-shaped grooves, which reduce their free cross-section in the transport direction A.
  • the means for deflecting 15 in the main drafting zone of the drafting system 1 lead the fiber structure 2 when he has left the pair of straps 5, 6.
  • the means 15 for deflecting preferably includes a guide surface 24, which in the in FIG. 1 represented view, ie in a section - perpendicular to the center line of the cylinder jacket-shaped bearing surface 17 - through the compression channel 22 has a convex contour.
  • the convex guide surface 24 deflects the fiber structure 2 from the imaginary shortest connecting line between the pair of straps 5, 6 and the nip line 7.
  • the deflection of the fiber structure 2 from the stretching field plane through the convex guide surface 24 and the resulting wrap of the guide surface 24 causes an improvement of the finished warped fiber structure.
  • the loading means 21 for the compressor unit 14 is designed as a compression spring in the form of a helical spring 25.
  • the helical compression spring 25 is assigned to a surface 12 supported on the axis 12.
  • the compression spring 25 generates a force that presses the compressor unit 14 against the lower roller 3.
  • the compression spring 25 is arranged in a frame part 27 of the compressor unit 14.
  • the frame member 27 also includes the receptacle 20 for the Axis 12 of the pressure roller 4.
  • the receptacle 20 is designed so that the compressor unit 14 is held with slight play on the pressure roller 4.
  • the receptacle 20 is assigned a retaining clip 28 which prevents the receptacle 20 from slipping off the axis 12 when the cylinder jacket-shaped bearing surfaces 17, 18 no longer rest on the lower roller 3.
  • the frame part 27 is made of plastic, so that the holding clip 28 can be easily integrated.
  • a pocket-shaped recess 29 is provided in the frame part 27.
  • the compressor unit 14 is designed substantially symmetrically to the direction of force of the loading means 21, so that the force of the compression spring 25 evenly distributed on the two cylinder jacket-shaped bearing surfaces 17 and 18.
  • the means 15 and 16 for deflecting the fiber structure 2 are arranged in a respective strip 30 and 31.
  • the strips 30, 31 are connected to the frame part 27 of the compressor unit 14.
  • the strips 30, 31 are preferably made of a ceramic material and arranged movably in the compressor unit 14.
  • Each strip 30, 31 contains a cylinder jacket-shaped bearing surface 17, 18.
  • the movable arrangement of the strips 30 and 31 on the frame part 27 and the cylinder jacket-shaped bearing surfaces 17 and 18 to the compressor unit 14 are movable. This has the advantage that the cylinder jacket-shaped bearing surfaces 17, 18 create exactly on the peripheral surface 19 when placing the compressor unit 14 on the lower roller 3. In the production, care must be taken only to a high accuracy of a cylinder jacket-shaped bearing surface 17 or 18 per se.
  • the positioning of the cylinder jacket-shaped support surface 17 with respect to the cylinder jacket-shaped bearing surface 18 need not be exactly ensured on the compressor unit 14, since the two cylinder jacket-shaped bearing surfaces 17 and 18 align automatically when placed on the peripheral surface 19.
  • the strips 30 and 31 preferably have pins 32 with which they can be clipped into the frame part 27.
  • FIG. 2 the pressure roller 4 is shown with the compressor unit 14 in the direction of the transport direction A of the fiber structure 2.
  • a jacket sleeve 33 is rotatably mounted on the jacket sleeve 33.
  • a reference 34 is attached from an elastic material.
  • the axis 12 is fixedly mounted on the load carrier 13 and may contain another jacket sleeve, not shown, when the pressure roller 4 is designed as a printing roll twin.
  • the axis 12 projects beyond the jacket sleeve 33 on both sides.
  • a frame part 27 of the compressor unit 14 is attached. Between the two frame parts 27, the strip 30 - and analogously, the underlying strip 31 - held by means of the pins 32.
  • a gap 35 is provided, which makes it possible that the compressor unit 14 in the axial direction of the pressure roller 4 is displaceable.
  • the means 15, 16 for deflecting the fiber structure 2 can thereby follow a traversing of the fiber structure 2 in the direction of the double arrow B.
  • a traverse B in the drafting system 1 is advantageous because the life of the elastic cover 34 of the pressure roller 4 is thereby increased.
  • the fiber structure 2 in the main drafting zone in front of the nip line 7 is under a relatively high tensile stress, which is caused by the drafting forces.
  • the under tension through the compression channel 22 extending fiber structure 2 is at its traversing movement B laterally against the guide walls 151 of the means 15 for deflecting and pulls the compressor unit 14 with.
  • the compressor unit 14 does not need to be connected to a traversing drive.
  • a receptacle for the casing sleeve 33 is provided.
  • the jacket sleeve 33 can be chosen slightly longer so that it projects beyond the cover 34 by a greater amount.
  • the recording 20 only has to be adapted to the larger diameter of the jacket sleeve 33. Otherwise, the compressor unit 14 may remain substantially unchanged.
  • a compressor unit 14 with a receptacle for the casing sleeve 33 has the advantage that the axis 12 of the pressure roller 4 does not have to protrude on both sides of the casing sleeve 33. It can be used by a commercial pressure roller.
  • FIG. 3 a variant of a compressor unit 14 is shown with a different loading means 21.
  • the in terms of the FIGS. 1 and 2 made statements apply here accordingly, so that can be dispensed with a repeated description. Same components as in the FIGS. 1 and 2 are designated by the same reference numerals.
  • the loading means 21 of the FIG. 3 is a leg spring 36, which consists of a wire.
  • the leg spring 36 also acts as a compression spring.
  • the leg spring 36 in turn sits in the frame part 27 of the compressor unit 14 and is supported against the axis 12 of the pressure roller 4 from.
  • the leg spring 36 has the advantage that it requires less space seen in the axial direction of the pressure roller 4, so that the frame parts 27 may have a smaller thickness.
  • compressor units 14 which can be used in confined spaces, in particular in drafting systems arranged side by side with a low pitch.
  • the receptacle 20 surrounds the jacket sleeve 33.
  • the leg spring 36 has the advantage that it can reach a larger pressure force of the compressor unit 14 than the coil spring 25 at the low height between the casing sleeve 33 and the lower roller 3.
  • FIG. 3 a further variant of a fastening means 21, namely a magnet 37, indicated.
  • the magnet 37 also constitutes a suitable loading means 21 for the compressor unit 14 and may be used as an alternative to the compression spring 25 or 36.
  • the compressor unit 14 in a non-illustrated embodiment modify such that the strips 30 and 31 and the frame parts 27 are designed as a one-piece component.
  • the cylinder jacket-shaped bearing surfaces 17 and 18 are no longer separated, but continue in the area adjacent to the reference 34. It can thus also be present only a single cylinder jacket-shaped bearing surface on the compressor unit, which extends from the region of the means 15 for deflecting into the region of the means 16 for deflecting and having a recess for the pressure roller 4.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)

Claims (7)

  1. Élément de cadre d'une unité de compression (14) pour un banc d'étirage (1) étirant un ensemble de fibres (2) composé de fibres discontinues, sachant que l'élément de cadre (27) peut être assemblé à l'aide de baguettes (30, 31), qui comportent des moyens (15, 16) pour renvoyer l'ensemble de fibres (2), et sachant que l'élément de cadre (27) présente un moyen de contrainte (21) ainsi qu'un logement (20) pour un axe (12) d'un cylindre presseur (4) du banc d'étirage (1), caractérisé en ce qu'un clip d'arrêt (28) pour l'axe (12) du cylindre presseur (4) est attribué au logement (20).
  2. Élément de cadre selon la revendication 1, caractérisé en ce que le moyen de contrainte (21) se présente sous la forme d'un ressort de compression, de préférence sous la forme d'un ressort hélicoïdal (25), d'un ressort à lame ou d'un ressort à branches (36).
  3. Élément de cadre selon la revendication précédente, caractérisé en ce que le moyen de contrainte (21) se présente sous la forme d'un ressort à branches (36), sachant que le ressort à branche (36) se compose d'un fil.
  4. Élément de cadre selon l'une ou plusieurs des revendications précédentes, caractérisé en ce que l'élément de cadre (27) est fabriqué en matière synthétique.
  5. Élément de cadre selon l'une ou plusieurs des revendications 2 à 4, caractérisé en ce qu'un évidement en forme de poche (29) pour le ressort de compression est prévu dans l'élément de cadre (27).
  6. Élément de cadre selon l'une ou plusieurs des revendications précédentes, caractérisé en ce que les baguettes (30, 31) sont fabriquées à partir d'un matériau céramique.
  7. Élément de cadre selon l'une ou plusieurs des revendications précédentes, caractérisé en ce que les baguettes (30, 31) présentent des tenons (32), par lesquels ils peuvent être encliquetés dans l'élément de cadre (27).
EP11172059A 2007-10-12 2008-07-10 Cadre de condensateur d'une unité d'étirage pour ruban de fibres Active EP2390390B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102007049337A DE102007049337A1 (de) 2007-10-12 2007-10-12 Streckwerk zum Verziehen eines Faserverbandes
EP08012457.1A EP2048269B1 (fr) 2007-10-12 2008-07-10 Dispositif d'étirage pour étirer un ruban de fibres

Related Parent Applications (2)

Application Number Title Priority Date Filing Date
EP08012457.1A Division-Into EP2048269B1 (fr) 2007-10-12 2008-07-10 Dispositif d'étirage pour étirer un ruban de fibres
EP08012457.1 Division 2008-07-10

Publications (2)

Publication Number Publication Date
EP2390390A1 EP2390390A1 (fr) 2011-11-30
EP2390390B1 true EP2390390B1 (fr) 2013-03-06

Family

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Family Applications (2)

Application Number Title Priority Date Filing Date
EP08012457.1A Active EP2048269B1 (fr) 2007-10-12 2008-07-10 Dispositif d'étirage pour étirer un ruban de fibres
EP11172059A Active EP2390390B1 (fr) 2007-10-12 2008-07-10 Cadre de condensateur d'une unité d'étirage pour ruban de fibres

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP08012457.1A Active EP2048269B1 (fr) 2007-10-12 2008-07-10 Dispositif d'étirage pour étirer un ruban de fibres

Country Status (5)

Country Link
EP (2) EP2048269B1 (fr)
JP (1) JP5344878B2 (fr)
CN (1) CN101407953B (fr)
BR (1) BRPI0804245B1 (fr)
DE (1) DE102007049337A1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008057667A1 (de) * 2008-04-24 2009-10-29 Wilhelm Stahlecker Gmbh Verdichtereinheit für ein Streckwerk einer Textilmaschine
DE102009049898A1 (de) 2009-10-15 2011-04-21 Wilhelm Stahlecker Gmbh Verdichtereinheit für ein Streckwerk einer Textilmaschine
US9771671B2 (en) * 2012-09-24 2017-09-26 Reinhard König Double-folding drafting unit
DE102015104808A1 (de) * 2015-03-27 2016-09-29 Maschinenfabrik Rieter Ag Verdichtereinheit
DE102015112662A1 (de) * 2015-07-31 2017-02-02 Maschinenfabrik Rieter Ag Verdichtereinheit für ein Streckwerk einer Textilmaschine
CN108396417A (zh) * 2018-05-22 2018-08-14 柳州市卓洋纺织有限公司 一种罗拉皮辊紧密纺装置
DE102018126635A1 (de) * 2018-10-25 2020-04-30 Maschinenfabrik Rieter Ag Verdichtereinheit, Druckwalzenaggregat und Streckwerk

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1825759U (de) * 1960-12-02 1961-01-26 Skf Kugellagerfabriken Gmbh Verdichter fuer spinnereimaschinen - streckwerke.
JPS5848377Y2 (ja) * 1981-11-06 1983-11-04 政治郎 山白 紡機におけるコレクタ−装置の取付け装置
JPH057257Y2 (fr) * 1987-05-11 1993-02-24
JPH03106373U (fr) * 1990-02-16 1991-11-01
EP0893519B1 (fr) * 1997-07-17 2002-11-06 Zinser Textilmaschinen GmbH Condenseur de mèche dans un dispositif d'étirage d'une machine de filature
DE50311450D1 (de) * 2002-05-08 2009-06-04 Holding Fuer Industriebeteilig Streckwerk einer ringspinnmaschine mit einem verdichter für ein faserband
DE20221912U1 (de) * 2002-11-11 2009-06-10 Spindelfabrik Suessen Gmbh Spinnmaschine mit Verdichtungseinrichtung
DE10346258A1 (de) 2003-09-24 2005-04-21 Stahlecker Gmbh Wilhelm Streckwerk für Spinnmaschinen
DE10356913A1 (de) * 2003-12-02 2005-07-07 Wilhelm Stahlecker Gmbh Streckwerk für Spinnmaschinen
CH697457B1 (de) * 2004-07-14 2008-10-31 Holding Fuer Industriebeteiligungen Ag Druckwalzeneinheit.
DE102006006503B4 (de) * 2006-02-13 2016-01-28 Reinhard König Verfahren und Vorrichtung zur Kompaktierung von bandförmigem Fasermaterial
DE102006015825B4 (de) * 2006-04-03 2021-07-08 Holding für Industriebeteiligungen AG Compactor-Abstützung
DE102007024234B4 (de) * 2007-05-21 2022-06-23 Wilhelm Stahlecker Gmbh Streckwerk zum Verziehen eines Faserverbandes

Also Published As

Publication number Publication date
JP5344878B2 (ja) 2013-11-20
CN101407953A (zh) 2009-04-15
BRPI0804245A2 (pt) 2009-06-16
EP2048269B1 (fr) 2014-04-16
EP2390390A1 (fr) 2011-11-30
JP2009097136A (ja) 2009-05-07
BRPI0804245B1 (pt) 2019-04-09
EP2048269A1 (fr) 2009-04-15
CN101407953B (zh) 2012-10-10
DE102007049337A1 (de) 2009-04-16

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