EP1666397B1 - Bobine et notamment une bobine enroulée de fil textile - Google Patents

Bobine et notamment une bobine enroulée de fil textile Download PDF

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Publication number
EP1666397B1
EP1666397B1 EP05025851A EP05025851A EP1666397B1 EP 1666397 B1 EP1666397 B1 EP 1666397B1 EP 05025851 A EP05025851 A EP 05025851A EP 05025851 A EP05025851 A EP 05025851A EP 1666397 B1 EP1666397 B1 EP 1666397B1
Authority
EP
European Patent Office
Prior art keywords
yarn
conical
bobbin
winding
winding zone
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
EP05025851A
Other languages
German (de)
English (en)
Other versions
EP1666397A2 (fr
EP1666397A3 (fr
Inventor
Mathias Wittmann
Annette Quaas
Christian Troidl
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.)
Amann and Soehne GmbH and Co KG
Original Assignee
Amann and Soehne GmbH and Co KG
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 Amann and Soehne GmbH and Co KG filed Critical Amann and Soehne GmbH and Co KG
Publication of EP1666397A2 publication Critical patent/EP1666397A2/fr
Publication of EP1666397A3 publication Critical patent/EP1666397A3/fr
Application granted granted Critical
Publication of EP1666397B1 publication Critical patent/EP1666397B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
    • B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
    • B65H75/04—Kinds or types
    • B65H75/08—Kinds or types of circular or polygonal cross-section
    • B65H75/12—Kinds or types of circular or polygonal cross-section with a single end flange (e.g. with a conical end flange); formed with one end of greater diameter than the barrel
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
    • B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
    • B65H75/18—Constructional details
    • B65H75/28—Arrangements for positively securing ends of material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/30—Handled filamentary material
    • B65H2701/31—Textiles threads or artificial strands of filaments

Definitions

  • the present invention relates to a spool, and more particularly to a spool wound with a yarn having the features of the preamble of claim 1.
  • the previously described known coils for receiving a Garnvorrates as for example from the GB-A-1098082 are described, have a cylindrical winding area for the yarn, wherein the relevant yarn is then wound in particular as a cross winding precision winding on the shell of this cylindrical winding area. Furthermore, the known coil is provided with a stand area, so that the coil can be used and stored vertically and thus standing upright during and after use.
  • a coil having the features of the preamble of claim 1 is known from DE 297 19 742 U1 known.
  • the known coil on a standing area, a conical winding area and a support member of the yarn end.
  • the known coil is provided with a cylindrical stand portion, which is provided on the foot side at the lower, conically expiring winding area and which is referred to in this document as Spulenfuß.
  • the support member which is also referred to in this publication as Garnklemme, is designed either as a clamping slot or as applied to the Spulenfußinnenwandung elastic tab, so that in the latter embodiment of the support member to be clamped yarn over the Spulenfuß and below the base of the coil in the Inside the coil base is inserted and fixed there.
  • the present invention has for its object to provide a particularly stable coil available that undergoes no undesirable positional shift of wound on the winding area yarn layers during transport.
  • the coil according to the invention for receiving a Garnvorrates has a conical winding area for the yarn and a standing area for the coil, wherein the stand area is associated with at least one support member for fixing the yarn end. Furthermore, the standing area comprises a lower, cylindrical stand portion and a frusto-conical portion formed integrally with the take-up area.
  • the frusto-conical portion is formed such that the conical winding portion penetrates the base circle with the smaller radius of the frusto-conical portion and at least partially penetrates into the interior of the frusto-conical portion, wherein the cylindrical stand portion is axially displaceable relative to the frusto-conical portion such that cylindrical stand portion is formed with the frusto-conical portion of the support member for fixing the yarn end.
  • the coil according to the invention for accommodating a supply of yarn provides a winding area for the yarn and a standing area for the coil, wherein in the coil according to the invention the winding area is conical and furthermore the holding area is assigned at least one holding element for fixing the yarn end. Due to the fact that the coil according to the invention has a conically configured winding area, the coil according to the invention prevents during the use of the spool and thus during sewing or embroidering the previously described displacement of the yarn layers may occur relative to each other, so that consequently there is no overlap of the inner yarn layers and the outer yarn layers. This, in turn, prevents entanglement of the overlapping or loosened yarns in the yarn package of the present invention.
  • the yarn can be withdrawn from the coil according to the invention with a constant voltage while avoiding voltage spikes, so that accordingly also interrupted thread breaks and thus process disturbances are avoided.
  • the yarn end can be fixed in the spool to be replaced by the support area associated with the support member, so that in this case the yarn end relative to the next, wound on the jacket of the take-up yarn under Tension is maintained, which then prevents during storage of the corresponding coil used that the unwanted yarn displacement described above takes place.
  • the so-stored coil can then be used without difficulty in a new yarn change again without causing entanglements take place loosened yarn layers.
  • the coil according to the invention has a number of further advantages.
  • uniform voltages and for the reasons mentioned above voltage peaks are avoided, which makes first noticeable in a trouble-free production process, ie downtime , caused by yarn breaks, do not occur in the coil according to the invention.
  • the seam pattern or embroidery image is made even more uniform by using the spool wound according to the invention, since in this case an identical yarn length is always made available because of the uniform application of tension when the yarn is pulled off and thus because of this constant tension over the same sewing or embroidery lengths , Because of this homogenization of the peel tension occurs even when using the invention, wound with yarn coil later Boldern or curling of the seams or an undesirable posing zones of embroidery not on, which is particularly clear when the prefabricated or embroidered parts of a later Care treatment, such as a laundry at elevated temperatures or a ironing process, be subjected.
  • a later Care treatment such as a laundry at elevated temperatures or a ironing process
  • the stand area is assigned at least one support member for fixing the yarn end
  • a partially processed yarn residue can be particularly safe on the invention
  • the standing area comprises the lower, cylindrical stand portion and the frustoconical portion cooperating therewith.
  • the frusto-conical portion located above the cylindrical standing portion constitutes a stiffening element for the winding area attached thereto, thereby ensuring, on the one hand, that the invention Coil has a high stability against mechanical stresses and a good staying power and on the other hand, an unwanted axial displacement of the yarn layers (relative to each other) can not occur.
  • the cylindrical stand portion is larger in diameter than the base circle of the frusto-conical portion facing the standing portion, so that the stand portion protrudes radially beyond the bottom base circle of the frusto-conical portion, this projecting portion of the cylindrical stand portion can have a catching area form a yarn end, which always comes into play preferably when a bobbin change is required in the processing of the invention wound with the yarn bobbin.
  • the frusto-conical portion is integrally formed with the winding area, such that the conical winding area penetrates the base circle with the smaller radius of the frusto-conical portion and at least partially penetrates into the interior of the frusto-conical portion, thus correspondingly increasing the stability and the stiffening of the winding area is improved.
  • the coil of the invention can be because of the one-piece Make education of conical winding area and frusto-conical section particularly cheap.
  • the conical winding area and the one-piece truncated cone-shaped portion relative to the cylindrical stand portion axially displaceable, such that upon contact of the cylindrical stand portion with the frusto-conical portion, the support member is formed for fixing the yarn end.
  • the conical take-up portion and the frusto-conical portion are common from a first position in which the cylindrical stand portion is in contact with a lower portion of the frusto-conical portion and thus clampingly holds the yarn end interposed therebetween, and a second position in which this contact described above between a lower part of the frusto-conical portion and the cylindrical stand portion does not exist and in which the securely clamped in the first position yarn end is released, axially displaceable.
  • conical or frusto-conical always a straight circular cone section or always a straight circular truncated cone, where in the right circular cone section or the straight circular truncated cone two parallel arranged base circles are present such that the lower base circle has a larger diameter in relation to the upper base circle.
  • the diameter of the cylindrical stand portion is greater than the diameter of Base circle with the larger radius of the frusto-conical section.
  • the foot side of the frusto-conical portion provided a radially inwardly set ring member, wherein the cylindrical stand portion has at its frustoconical portion facing the end of a guide member which holds the ring member non-positively and / or positively axially displaceable.
  • this guide element resiliently biased against the ring member so that it then clamps the ring member over its entire axial shell length when the take-up area and the frusto-conical section connected thereto relative to the stand portion from the first described position to the second position and from the second position to the first position is moved.
  • the guide member or the ring member is provided with a corresponding locking element.
  • the conicity is designed so that the adhesion of the yarn layers described above is ensured.
  • the cone angle ⁇ is relatively low, that is, if this Cone angle ⁇ in particular between 0.5 ° and 6 ° and preferably between 1.5 ° and 3 ° varies, these cone angles indicate the deviation of the jacket axis in the direction of the central axis.
  • the winding area is formed so that the radius of the lower base circle, which faces the stand portion, is greater than the radius of the parallel thereto upper base circle, so that accordingly the take-up area tapers conically from the stand portion toward the head side of the coil ,
  • the coil according to the invention that in this case the jacket of the conical winding area is provided with a rough surface.
  • the conical winding area can be provided with a corresponding multiplicity of projecting elements, for example punctiform elements, or the mantle surface can be correspondingly roughened or etched by a mechanical or chemical treatment.
  • the coil according to the invention makes sense to design all coil parts or individual coil parts and in particular the conical winding area and / or the standing area and / or the frustoconical section described above as a hollow body.
  • a particularly suitable, reduced by the weight and yet the required stability having embodiment of the coil according to the invention provides that in this case the conical winding at a central axial load of 15 N / mm 2 a deflection of less than 0.2 mm, preferably one Deflection between 0.2 mm and 0.1 mm, has.
  • a deflection of less than 0.2 mm preferably one Deflection between 0.2 mm and 0.1 mm, has.
  • the coil is preferably designed as a hollow body to save weight, wherein the coil according to the invention further in addition to the deflection stiffness described above, in particular a ratio of axial length of the Aufwicklungs Schemees to its average diameter between 1: 0.15 to 1 : 0.4.
  • the mean diameter of the conical winding area is calculated from the sum of the diameters of the lower base circle and the upper base circle, divided by 2.
  • an embodiment of the coil according to the invention provides that the conical winding area on the foot and head each have a radially centered element, which is preferably a corresponding ring element or for the case that the winding area is closed foot and head side, is a bore, this centered element serves to receive a mandrel.
  • This mandrel is provided on the corresponding sewing or embroidery machine, so that the coil according to the invention on the mandrel are securely held on the radially centered elements.
  • the present invention further relates to a with a yarn, in particular with a sewing thread or an embroidery thread of Spool initially wound constructions, so that in this case the winding area is provided with a yarn of the type mentioned above.
  • the yarn is wound onto the take-up area as an open or closed precision winding, with an open precision winding indicating that there is a small gap between adjacent yarns, whereas a closed precision winding means that adjacent yarns are touching.
  • the yarn-wound bobbin according to the invention has such a winding area onto which the yarn is wound as a closed precision winding, this closed precision winding between 2 crosses / 4 squares to 8 crosses / 16 squares and in particular 3 crosses / Includes 6 fields.
  • crosses / fields the ratio of the rotational speed of the coil in the winding for thread laying again, the number of crosses per field in particular in a wound, slowly rotating coil, such as a coil, which turns with a rotation of about 5 m / min turns, can be seen on the axial length of the take-up visually recognizable and successive annular areas.
  • the coil wound according to the invention is preferably wound in such a way that the yarn winding arranged on the winding region has a Shore hardness between 50 ° Sh and 80 ° Sh, in particular between 60 ° Sh and 70 ° Sh.
  • the conical winding area of the coil is wound in particular with a sewing or embroidery thread, wherein the titer of this sewing or embroidery thread is directed to the respective requirements.
  • the denier of the sewing or embroidery yarn wound on the take-up area of the reel according to the invention varies between 30 dtex and 1000 dtex, this sewing or embroidery yarn being in particular a highly twisted, cabled, twisted and / or coated yarn.
  • a particularly secure holding of the yarn layers against axial displacement on the conical winding area is also achieved in a wound coil according to the invention, when the conical winding area of the coil, depending on the respective denier of the sewing or embroidery yarn wound thereon, with a yarn length between 1,000 m and 10,000 m, preferably between 4,000 m and 8,000 m, is wound.
  • the coil according to the invention is made of plastic.
  • FIG. 1 schematically illustrates, in section, a coil denoted overall by 1.
  • the coil has a conically shaped winding area 2 and a stand area, designated overall by 3, wherein the stand area is assigned a holding element 4 for fixing a yarn end (not shown).
  • this yarn which is preferably a sewing or embroidery yarn, is wound onto the wind-up area 2 in the manner described above as open or closed precision winding.
  • the central axis of the coil 1 is denoted by 11, wherein a parallel to this central axis carries the name 11 a.
  • the conicity of the shell of the take-up is seen relative to the central axis 11 by the angle ⁇ , wherein the angle ⁇ relative to the straight parallel lines 11 a, which is a parallel to the central axis 11, occupies an angle of 2 °.
  • the lateral surface 2 a of the winding area 2 is formed inclined to the central axis 11 by the angle ⁇ out.
  • a specially shaped standing area 3 On the foot side of the coil 1, a specially shaped standing area 3 is provided, which has a lower, cylindrical standing portion 5 and a cooperating frusto-conical section 6.
  • the frusto-conical portion 6 is formed integrally with the winding area 2, such that the conical winding area 2 axially penetrates the base circle (not shown) with the smaller radius of the frusto-conical portion 6 and thus almost completely in the interior. 7 of the frusto-conical portion 6 is positioned.
  • the diameter d1 of the cylindrical standing section 5 is made larger than the diameter d2 of the base circle having the larger radius of the frustoconical section 6.
  • the inner diameter d1 and d2 are shown in the drawing.
  • a radially inwardly recessed ring member 9 is provided on the foot side of the frustoconical portion 6, while the cylindrical stand portion has at its frustoconical portion 6 end facing a guide member 10 which is resiliently biased against the ring member 9 and thus the ring member 9 frictionally axially displaceably holds ,
  • the figure depicts the spool 1 in a position in which the support member 4 does not fix a yarn end (not shown). Now, if such a fixation of the yarn end, for example during transport or the intermediate storage of the coil 1, desired, this yarn end is positioned in contact with the ring member 9 and above the guide member 10, wherein this position is indicated by the reference numeral 12.
  • this position is indicated by the reference numeral 12.
  • the coil 1 is formed as a whole as a hollow body.
  • the take-up area 2 furthermore has a centering element, which is designed as a passage bore 13, at the front end and at the foot, which serves to receive a mandrel of the corresponding sewing or embroidery machine.
  • the cylindrical standing section is closed off from its lower surface, then it makes sense to arrange the lower centered element, for example as a passage bore, in this surface.
  • the take-up area 2 has a deflection of 0.15 mm.

Landscapes

  • Storage Of Web-Like Or Filamentary Materials (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)

Claims (14)

  1. Bobine destinée à recevoir une réserve de fil avec une zone d'enroulement de forme conique pour le fil et une zone de dressage pour la bobine, dans laquelle au moins un élément de support est associé à la zone de dressage pour la fixation de l'extrémité du fil et la zone de dressage comprend une partie de dressage cylindrique inférieure et une partie tronconique réalisée d'une seule pièce avec la zone d'enroulement, caractérisée en ce que la partie tronconique (6) est réalisée de telle manière que la zone d'enroulement conique (2) traverse le cercle de base avec le plus petit rayon de la partie tronconique (6) et pénètre au moins partiellement dans l'espace intérieur (7) de la partie tronconique (6), et en ce que la partie de dressage cylindrique (5) est déplaçable axialement par rapport à la partie tronconique (6) de telle manière que l'élément de support (4) pour la fixation de l'extrémité du fil soit formé par contact de la partie de dressage cylindrique (5) avec la partie tronconique (6).
  2. Bobine selon la revendication 1, caractérisée en ce que le diamètre (d1) de la partie de dressage cylindrique (5) est plus grand que le diamètre (d2) du cercle de base avec le plus grand rayon de la partie tronconique (6), en ce qu'il est prévu du côté du pied sur la partie tronconique (6) un élément annulaire (9) disposé radialement vers l'intérieur et en ce que la partie de dressage cylindrique (5) est pourvue, à son extrémité orientée vers la partie tronconique (6), d'un élément de guidage (10) qui maintient l'élément annulaire (9), par complémentarité de force et/ou de forme, de façon déplaçable axialement.
  3. Bobine selon la revendication 1 ou 2, caractérisée en ce que la surface latérale (2a) de la zone d'enroulement conique (2) est inclinée d'un angle α compris entre 0,5° et 6°, de préférence entre 1,5° et 3°, par rapport à l'axe (11, 11a).
  4. Bobine selon l'une quelconque des revendications précédentes, caractérisée en ce que l'enveloppe (2a) de la zone d'enroulement conique (2) est dotée d'une surface rugueuse.
  5. Bobine selon l'une quelconque des revendications précédentes, caractérisée en ce que la zone d'enroulement conique (2) et/ou la zone de dressage (3) se présente sous la forme d'un corps creux.
  6. Bobine selon la revendication 5, caractérisée en ce que la zone d'enroulement conique (2) présente, sous une charge centrale (14) de 15 N/mm2, une flèche de moins de 0,2 mm, de préférence une flèche comprise entre 0,2 mm et 0,1 mm.
  7. Bobine selon l'une quelconque des revendications précédentes, caractérisée en ce que la bobine (1) se présente globalement sous la forme d'un corps creux et présente un rapport de la longueur axiale au diamètre moyen de la zone d'enroulement (2) compris entre 1:0,15 et 1:0,4.
  8. Bobine selon l'une quelconque des revendications précédentes, caractérisée en ce que la zone d'enroulement conique (2) comporte, à la fois du côté du pied et du côté de la tête, un élément radialement centré (13) destiné à recevoir un mandrin.
  9. Bobine selon l'une quelconque des revendications précédentes, caractérisée en ce que la zone d'enroulement (2) est munie d'un fil, qui est enroulé sur la bobine (1) sous la forme d'un enroulement de précision ouvert ou fermé.
  10. Bobine selon la revendication 9, caractérisée en ce que la zone d'enroulement (2) est munie du fil sous la forme d'un enroulement de précision fermé, dans laquelle cet enroulement de précision fermé comprend entre 2 croisements/4 champs et 8 croisements/16 champs et en particulier 3 croisements/6 champs.
  11. Bobine selon l'une quelconque des revendications 9 ou 10, caractérisée en ce que la dureté Shore de la bobine enroulée varie entre 50° Sh et 80° Sh, de préférence entre 60° Sh et 70° Sh.
  12. Bobine selon l'une quelconque des revendications 9 à 11, caractérisée en ce que la zone d'enroulement conique (2) de la bobine (1) est enroulée avec un fil à coudre ou à broder, dans laquelle le titre de ce fil à coudre ou à broder varie entre 30 dtex et 1 000 dtex.
  13. Bobine selon l'une quelconque des revendications 9 à 12, caractérisée en ce que le fil à coudre ou à broder est un fil retors de qualité supérieure ou un fil retordu.
  14. Bobine selon l'une quelconque des revendications 9 à 13, caractérisée en ce que la zone d'enroulement conique (2) de la bobine (1) est enroulée avec une longueur de fil comprise entre 1 000 m et 10 000 m.
EP05025851A 2004-12-02 2005-11-26 Bobine et notamment une bobine enroulée de fil textile Not-in-force EP1666397B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102004058325A DE102004058325A1 (de) 2004-12-02 2004-12-02 Spule und eine insbesondere eine mit Garn bewickelte Spule

Publications (3)

Publication Number Publication Date
EP1666397A2 EP1666397A2 (fr) 2006-06-07
EP1666397A3 EP1666397A3 (fr) 2006-08-02
EP1666397B1 true EP1666397B1 (fr) 2010-03-03

Family

ID=35888874

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05025851A Not-in-force EP1666397B1 (fr) 2004-12-02 2005-11-26 Bobine et notamment une bobine enroulée de fil textile

Country Status (5)

Country Link
US (1) US7445177B2 (fr)
EP (1) EP1666397B1 (fr)
AT (1) ATE459567T1 (fr)
DE (2) DE102004058325A1 (fr)
ES (1) ES2338892T3 (fr)

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US20130239519A1 (en) * 2012-03-16 2013-09-19 Thomas Orsini Easily removable selvage device
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US10808337B2 (en) 2013-08-15 2020-10-20 Arun Agarwal Proliferated thread count of a woven textile by simultaneous insertion within a single pick insertion event of a loom apparatus multiple adjacent parallel yarns drawn from a multi-pick yarn package
US11168414B2 (en) 2013-08-15 2021-11-09 Arun Agarwal Selective abrading of a surface of a woven textile fabric with proliferated thread count based on simultaneous insertion within a single pick insertion event of a loom apparatus multiple adjacent parallel yarns drawn from a multi-pick yarn package
US12091785B2 (en) 2013-08-15 2024-09-17 Aavn, Inc. Proliferated thread count of a woven textile by simultaneous insertion within a single pick insertion event of a loom apparatus multiple adjacent parallel yarns drawn from a multi-pick yarn package
US11359311B2 (en) 2013-08-15 2022-06-14 Arun Agarwal Proliferated thread count of a woven textile by simultaneous insertion within a single pick insertion event of a loom apparatus multiple adjacent parallel yarns drawn from a multi-pick yarn package
US10443159B2 (en) 2013-08-15 2019-10-15 Arun Agarwal Proliferated thread count of a woven textile by simultaneous insertion within a single pick insertion event of a loom apparatus multiple adjacent parallel yarns drawn from a multi-pick yarn package
US20160160406A1 (en) 2014-05-29 2016-06-09 Arun Agarwal Production of high cotton number or low denier core spun yarn for weaving of reactive fabric and enhanced bedding
US11225733B2 (en) 2018-08-31 2022-01-18 Arun Agarwal Proliferated thread count of a woven textile by simultaneous insertion within a single pick insertion event of a loom apparatus multiple adjacent parallel yarns drawn from a multi-pick yarn package
US11047072B2 (en) * 2018-12-06 2021-06-29 Vishal Pacheriwala Woven fabric, a composition of the woven fabric and a weaving method thereof
US11795588B2 (en) * 2021-07-30 2023-10-24 Vishal Pacheriwala Fabric made of multi-filament polyester warp yarns of yarn size of 75 denier or above and cellulose fiber weft yarns

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Also Published As

Publication number Publication date
DE502005009125D1 (de) 2010-04-15
ATE459567T1 (de) 2010-03-15
US7445177B2 (en) 2008-11-04
EP1666397A2 (fr) 2006-06-07
US20060151650A1 (en) 2006-07-13
ES2338892T3 (es) 2010-05-13
EP1666397A3 (fr) 2006-08-02
DE102004058325A1 (de) 2006-06-08

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