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WO2008038850A1 - Doublure abrasive, procédé de fabrication d'une doublure abrasive et tissu abrasif - Google Patents

Doublure abrasive, procédé de fabrication d'une doublure abrasive et tissu abrasif Download PDF

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Publication number
WO2008038850A1
WO2008038850A1 PCT/KR2006/003938 KR2006003938W WO2008038850A1 WO 2008038850 A1 WO2008038850 A1 WO 2008038850A1 KR 2006003938 W KR2006003938 W KR 2006003938W WO 2008038850 A1 WO2008038850 A1 WO 2008038850A1
Authority
WO
WIPO (PCT)
Prior art keywords
weave
abrasive
woven
backing
abrasive backing
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.)
Ceased
Application number
PCT/KR2006/003938
Other languages
English (en)
Inventor
Sang-Soo Jung
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.)
Zoomtextileco Ltd
Original Assignee
Zoomtextileco Ltd
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 Zoomtextileco Ltd filed Critical Zoomtextileco Ltd
Priority to EP06799021A priority Critical patent/EP2097567A4/fr
Priority to PCT/KR2006/003938 priority patent/WO2008038850A1/fr
Publication of WO2008038850A1 publication Critical patent/WO2008038850A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D11/00—Double or multi-ply fabrics not otherwise provided for
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D11/00—Constructional features of flexible abrasive materials; Special features in the manufacture of such materials
    • B24D11/02—Backings, e.g. foils, webs, mesh fabrics
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D3/00—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents
    • B24D3/001—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as supporting member
    • B24D3/002—Flexible supporting members, e.g. paper, woven, plastic materials
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D1/00—Woven fabrics designed to make specified articles
    • D03D1/0094—Belts

Definitions

  • the present invention relates to an abrasive backing, a method of producing the abrasive backing and abrasive cloth using such an abrasive backing. Particularly, it relates to an abrasive baking which has advantageous and improved functions for manufacturing weft direction sectional wide belts, a method of manufacturing this abrasive backing and abrasive cloth that includes this abrasive backing.
  • An abrasive backing has been used by reprocessing to products such as sheets, rolls, belts, and rings etc., according to its usage.
  • abrasive belts the provision of sectional abrasive belts of more than 1650mm width is in need for the purpose of automating the manufacturing facility for an object to be ground, and improving the productivity.
  • abrasive cloth because of limitations in processing it is impossible to produce a belt wider than 1390mm, so there was no choice but to continuously seam many pieces of abrasive cloths in order to produce ultrawide abrasive belt. This is also called a sectional wide belt.
  • weft is required to have low extension rate and high tension to produce weft direction sectional wide belts, so far abrasive backing containing the wefts that have low extension rate and high tension, a method of manufacturing the abrasive backing or abrasive cloth have not been proposed.
  • the present invention provides an abrasive baking which has advantageous and improved functions for manufacturing weft direction sectional wide belts, a method of manufacturing this abrasive backing and abrasive cloth that includes this abrasive backing. Particularly, it provides abrasive backing containing the wefts that has low extension rate and high tension, a method of manufacturing the abrasive backing and abrasive cloth.
  • One aspect of the invention provides an abrasive backing comprising a upper weave, a lower weave, and a binding yarn that connects the upper weave and the lower weave, the abrasive backing is manufactured by a method comprising:
  • the upper weave and the lower weave may be woven into a plain weave, a twill weave, a satin weave or modified weaves thereof.
  • the upper weave may be woven into a plain weave and the lower weave may be woven into a twill weave.
  • the upper weave may be woven into a plain weave and the lower weave may be woven into a 2/2 twill weave.
  • Such an abrasive backing is woven by arranging the warp that constitutes the plain weave of the upper weave and the warp that constitutes the twill weave of the lower weave to cross each other, and by crossing the warp alternately once to form a plain weave and then to form a twill weave.
  • the binding yarn connects the upper weave and the lower weave not to overlap each crossing point of the upper weave and the lower weave.
  • the binding yarn be the same kind of a yarn with the warp that constitutes the upper weave or the lower weave.
  • the upper weave and the lower weave, connected by the binding yarns may be heat-set after spreading the weave with a tenter in the weft direction.
  • the upper weave and the lower weave, connected by the binding yarns may be heat-set at 180 to 250°C for 1 to 3 minutes after spreading the weave in 1 to 7% in the weft direction.
  • Another aspect of the invention provides a method of manufacturing an abrasive backing comprising: [17] arranging the warp of the upper weave and the warp of the lower weave to cross each other; [18] fixing the heddles of the lower weave when the wefts are woven into the upper weave, and alternatively, fixing the heddles of the upper weave when the wefts are woven into the lower weave, so that the upper weave and the lower weave are allowed to be woven simultaneously; and [19] connecting the upper weave and the lower weave with a binding yarn not to interrupt the composition of the upper weave and the lower weave.
  • the upper weave and the lower weave may be woven into a plain weave, a twill weave, a satin weave or modified weaves thereof.
  • the upper weave may be woven into a plain weave and the lower weave may be woven into a twill weave.
  • the binding yarn may be the same kind of a yarn with the warps that constitutes the upper weave or the lower weave. Further, it is preferred that the binding yarn connects the upper weave and the lower weave not to overlap each crossing point of the upper weave and the lower weave.
  • the present invention may further include a step that the upper weave and the lower weave are heat-set after spreading at a tenterin the weft direction.
  • the upper weave and the lower weave connected by the binding yarn may be heat-set at 180 to 250°C for 1 to 3 minutes, after spreading the weave in 1 to 7% of the weft direction.
  • Another aspect of the invention provides abrasive cloth comprising:
  • an abrasive backing set forth above; an abrasive material that is sprayed over the abrasive backing; and an adhesive that adheres the abrasive backing and the abrasive material.
  • the abrasive material may be sprayed to permeate into the inside of the upper weave and the lower weave respectively, and into the gap between them.
  • Fig. 1 is a 1 complete design of a plain weave that forms an upper weave according to an embodiment of the invention
  • Fig. 2 is a 1 complete design of a 2/2 twill weave that forms a lower weave according to an embodiment of the invention
  • Fig. 3 is a 1 complete double weave design of the abrasive backing according to an embodiment of the invention
  • Fig. 4 is a diagram that represents double weaves of the abrasive backing according to an embodiment of the invention
  • Fig. 5 is a sectional diagram of the abrasive backing according to an embodiment of the invention
  • Fig. 6 is a flowchart illustrating a method for manufacturing abrasive cloth according to an embodiment of the invention. [33] ⁇ Explanatory notes for the essential part of the figures >
  • double weaves is referred to as a single abrasive backing manufactured by combining two weaves.
  • the two weaves with the upper and lower weaves may be same weave, or different weave, and the upper weave and the lower weave may be woven into quite different colors. These two weaves are connected by binding yarns.
  • Plain weave is the simplest of the weaves, in which each warp yarn passes alternately under and over each weft yarn. Plain weave is generally designated as 1/1, strength of the plain-woven fabrics depends on thickness of the yarns and density of the weave. Twill weave is the weave in which two or more wrap yarns alternately weave over and under two or more weft yarns in a reqular repeated manner. These twill weaves have less mesh than the plain weaves, so that it is more flexible and softer, and designated as 1/2, 1/3, and 1/4, etc.
  • Satin weave is also called as dice satin, in which four or more weft(warp) yarns float over a warp(weft) yarn and thus only one of the warp or the weft is brought to the surface.
  • satin-woven fabrics there is no mesh of the warp and the weft so that it has few bending, and designated as 1/4 satin.
  • modified weaves of three foundation weaves such as basket weave as modified weave of plain weave, pointed twill weaves or broken twill weave as modified weave of twill weave, and satin check weave as modified weave of satin weave, etc.
  • modified weaves such as mixture weave, pile weave and plain guaze, etc.
  • the abrasive cloth generally comprises an abrasive backing, an abrasive material and an adhesive, etc.
  • abrasive backing besides the cloth, paper, fiber, and combination which is manufactured by laminating cloth on paper maybe used.
  • adhesive thermosetting resins or thermoplastic resins, or glues, etc. may be used.
  • Examples of the abrasive material the most important element for grinding include aluminum oxide (Al O ), silicon carbide (Sic), zirconia alumina (Al O _Zr O ), ceramic aluminum oxide, silica, garnet, emery, and crocus, etc.
  • fillers may be further included, calcium carbonate, clay, diatomite, etc. are generally used in order to complement physical characteristics of the adhesive.
  • Fig. 1 is a 1 complete design of a plain weave that forms upper weave according to an embodiment of the invention. Referring to Fig. 1, there is no difference from the normal design of a plain weave.
  • the plain weave is woven by crossing one warp strand (12, 14, 16, 18) to one weft strand (b, d, f, h), and the portion where the warp is the upside (30) and the portion where the weft is upside (50) are illustrated separately.
  • Fig. 2 is a 1 complete design of a 2/2 twill weave that forms lower weave according to an embodiment of the invention. Referring to Fig.2, it is identical with the normal design of a 2/2 twill weave.
  • the twill is woven by crossing two warp strands (11, 13, 15, 17) and two weft strands (a, c, e, g), and the portion where the warp is the upside (20) and the portion where the weft is the upside (40) are illustrated separately.
  • Fig. 3 is a 1 complete double design of an abrasive backing according to an embodiment of the invention.
  • the warps of the plain weave illustrated in Fig. 1 and the warps of the 2/2 twill weave illustrated in Fig. 2 are arranged by crossing each other, and the wefts of the plain weave illustrated in Fig. 1 and the wefts of the 2/2 twill weave illustrated in Fig. 2 are arranged by crossing each other, to accomplish a 1 complete double weave design.
  • the abrasive backing of the invention can be woven by repeatedly weaving in the warp direction and the weft direction with the 1 complete double weave design.
  • Fig. 4 is a diagram that represents double weaves of the abrasive backing according to an embodiment of the invention. Referring to Fig. 4, it is an illustration of the double weave that can be embodied when the 1 complete double weave design illustrated in Fig. 3 is practically woven. As shown in the double weave, the upper weave is woven into plain weave, the lower weave is woven into twill weave, and these are woven separately. Further, the weft forms the plain weave and then the twill weave, so that the upper plain weave and the lower twill weave are woven simultaneously.
  • FIG. 5 is a sectional diagram of the abrasive backing according to an embodiment of the invention. Referring to Fig. 5, it is a sectional diagram of an abrasive backing when the specific weft (e) is regarded as a baseline. As it is shown, the upper part is woven into plain weave and the lower part is woven into twill weave, and each constitutes the abrasive backing separately. These two layers are connected with a binding yarn (70).
  • the binding yarn passes through the crossing point of specific warp (12) and specific weft (d) of the plain weave and the crossing point of specific warp (15) and specific weft (e) of the twill weave, in the weft direction, to connect the upper plain weave and the lower twill weave.
  • Fig. 6 is a flowchart illustrating a method for manufacturing abrasive cloth according to an embodiment of the invention.
  • SlOO is a step where the abrasive backing of the double weave is made as set forth above.
  • SIlO is a step where the abrasive backing is spread and heat-set. In the present invention, the abrasive backing of the double weave is spread in the weft direction with a tenter and then is heat-set.
  • S 120 is a step where the abrasive material is permeated into the abrasive backing and fixed to the abrasive backing by an adhesive.
  • gravity coating and electrodeposition may be used.
  • S 130 is a size coating step for fixing the abrasive materials on the abrasive backing tightly
  • S140 is a thermosetting step where the treated abrasive cloth is heated.
  • S150 is humidifying step,
  • S 160 is softening step.
  • S 170 (MCM) step may be added as needed, where the mesh clogging is treated after the size coating process to prohibit sticking of grinding dust during the grinding process. Then the abrasive cloth is completed in step S 180 by processing the abrasive cloth.
  • a abrasive backing of the invention comprises an upper weave and an lower weave that can be separated from each other, and a binding yarn that connects these upper weave and lower weave.
  • These upper weave and lower weave can be manufactured simultaneously.
  • these upper weave and lower weave may be woven into plain, twill, satin or modified weaves thereof. Examples of the modified weaves is same as set forth above.
  • an abrasive backing having double weaves which are separated each other may be obtained.
  • a kind of yarns that constitutes the double weave of the upper weave or the lower weave has no limitation.
  • fibers that constitute the yarns may include cotton, wool, silk, hemp, synthetic fiber or synthetic yarns of synthetic fiber and these yarns, blended yarn, and conjugated yarn, etc. and it is not limited to these fibers.
  • Spun yarns, filament yarns, or split yarns, etc. may be used and there is also no limitation in the method of spinning. Further, identical or different kinds or colors of the yarns that would constitute the upper weave and the lower may be used. It is preferable that yarns that constitute the upper weave and yarns that constitute the lower weave be identical.
  • Binding yarn connects the upper weave and the lower weave to form a double weave.
  • the positions of the binding yarns are essential. Positions where the binding yarns connect the upper weave and the lower weave are critical and should not interrupt the composition of each weave layer. Pssing in the warp direction or the weft direction, the binding yarns can connect the upper weave and the lower weave. Each crossing point of the upper weave and each crossing point of the lower weave should not overlap each other by the binding yarns. Referring to Figs.
  • the crossing point (12-d) of the warp (12) and the weft (d) in the 1 complete double weave design does not interrupt the composition of the upper plain weave, although the weft (d) of the upper weave crosses over the warp (12) of the upper weave and then the binding yarn connects between them.
  • the crossing portion (15-e) of the warp (15) and the weft (e) does not interrupt the composition of the lower weave, although the weft (e) of the lower weave crosses under the warp (15) of the lower weave and then the binding yarn connects between them. Therefore, the binding yarns can pass through these crossing portions (12-d, 15-e).
  • Fig.5 a sectional diagram in which the binding yarn connects the upper weave and the lower weave is illustrated.
  • any yarn as the binding yarn may be used with no limitation.
  • Any fiber that constitutes the yarn such as cotton, wool, silk, hemp, synthetic fabric or synthetic yarns of synthetic fabric and these yarns, blended yarn, and conjugated yarn, etc. may be used with no limitation and filament yarns, or split yarns, etc. may be used and there is also no limitation in the method of spinning.
  • kinds and colors of the binding yarn may be identical or different from those of the weft constituting the upper or lower weave. It is however preferable that kinds and colors of the binding yarn be identical to those of the weft constituting the upper or the lower weave.
  • the abrasive backing having double weave has not only low degree of crossing of the warp and the weft in the upper weave, but also low degree of crossing of the warp and the weft in the lower weave. Further, when connecting the upper weave and the lower weave, as illustrated in Fig. 4, the binding yarn connects the weaves without overlapping the crossing points of each weave. Therefore, the abrasive backing having double weave in the invention can have same tensile strength as abrasive backings having the same weave even if it is woven loosely by 20 40% decreased density of the warp and the weft that constitute the weave.
  • the abrasive backing is guaranteed to have enough tensile strength. Because each layer has less crossing points of the warp and the weft than general fabrics, not only the warp but also the weft are easily spread when treating the abrasive backing. Therefore, it is possible to control the extension rate in the weft direction in case of the abrasive backing of the invention. Further, because the weave of the abrasive backing is woven loosely, there are plentiful space in both the upper weave and the lower weave, and also plentiful space between the weave layers. Therefore, the abrasive backing into which abrasive materials or adhesive, etc. permeates easily may be obtained.
  • the abrasive backing of the invention is easily spread in the weft direction.
  • abrasive bac king is spread by 1 to 7% only in the weft direction with a tenter and then heat-set at 180 to 250°C for 1 to 3 minutes. Via this heat treatment, abrasive backing with fixed extension rate in the weft direction may be obtained.
  • the density is the number of the warps and wefts within 1 inch width x 1 inch length of the weave.
  • Yarn number designates the diameter of yarn and marked by S.
  • Example 1 and Comparison Example 1 [87]
  • Example 1 the upper weave and the lower weave were woven into double weaves of a plain weave.
  • Comparison Example 1 a satin weave was woven.
  • density, tension in the warp, tension in the weft, extension rate, and smoothness were investigated and the result was summerized in table 1. It is noted that the abrasive backing having double weaves showed higher tension in the weft and lower extension rate at 100kgf/in of tension in the weft, and higher smoothness than the satin-woven abrasive backing.
  • Example 2 and Comparison Example 2 [90]
  • the upper weave and the lower weave were woven into plain weave. No tension was given in the warp direction, and they were spread 3% in the weft direction and then heat-fixed at 250°C for 3 min.
  • a satin weave was woven, and 3% spread in the weft direction and then heat-set at 250°C for 3 min.
  • density, tension in the warp, tension in the weft, extension rate were investigated and the result was summerized in table 2.
  • the abrasive backing having double weaves showed higher tension in the weft and quite lower extension rate at 100kgf/in of tension in the weft than the satin- woven abrasive backing.
  • the abrasive material, the method of manufacturing the abrasive backing, and the abrasive cloth according to the invention provides fewer crossing points of the warps and wefts in the upper weave and in the lower weave than general fabrics. Therefore, they provide higher smoothness. Further, because the control of extension rate along the weft direction is convenient, sectioned wide belts can be manufactured by joining the abrasive cloth having the weft of low extension rate in the weft direction. Further, because the weaves are woven loosely, there are plentiful space in the upper weave and the lower weave and also plentiful space between the weaves, so that abrasive materials or adhesive, etc. readily permeate. And thus, abrasive cloth having high tension and advanced ability of grinding may be obtained.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
  • Woven Fabrics (AREA)

Abstract

La présente invention concerne une doublure abrasive qui présente une tension élevée, un faible taux de dilatation et une douceur au toucher supérieure, ainsi qu'un procédé pour fabriquer la doublure abrasive et le tissu abrasif comportant ladite doublure abrasive. Dans un aspect, la présente invention concerne une doublure abrasive qui comporte une armure supérieure et une armure inférieure; des fils de liaison qui connectent l'armure supérieure à l'armure inférieure. Ces armures supérieure et inférieure sont fixées thermiquement une fois que l'armure a été étendue au moyen d'une rame continue dans le sens de la trame. De plus, les armures supérieure et inférieure peuvent être fabriquées simultanément.
PCT/KR2006/003938 2006-09-29 2006-09-29 Doublure abrasive, procédé de fabrication d'une doublure abrasive et tissu abrasif Ceased WO2008038850A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP06799021A EP2097567A4 (fr) 2006-09-29 2006-09-29 Doublure abrasive, procédé de fabrication d'une doublure abrasive et tissu abrasif
PCT/KR2006/003938 WO2008038850A1 (fr) 2006-09-29 2006-09-29 Doublure abrasive, procédé de fabrication d'une doublure abrasive et tissu abrasif

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/KR2006/003938 WO2008038850A1 (fr) 2006-09-29 2006-09-29 Doublure abrasive, procédé de fabrication d'une doublure abrasive et tissu abrasif

Publications (1)

Publication Number Publication Date
WO2008038850A1 true WO2008038850A1 (fr) 2008-04-03

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PCT/KR2006/003938 Ceased WO2008038850A1 (fr) 2006-09-29 2006-09-29 Doublure abrasive, procédé de fabrication d'une doublure abrasive et tissu abrasif

Country Status (2)

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EP (1) EP2097567A4 (fr)
WO (1) WO2008038850A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1967621A2 (fr) 2007-03-09 2008-09-10 Zoomtextile.Co., Ltd. Support abrasif et tissu abrasif
WO2011038498A1 (fr) 2009-09-29 2011-04-07 Astenjohnson, Inc. Toile de formation de papetier comportant des paires de fils complémentaires côté machine

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2672715A (en) 1951-04-25 1954-03-23 Walters Gustav Abrasive belt
DE3305713C1 (de) 1983-02-18 1984-04-19 Hermann Wangner Gmbh & Co Kg, 7410 Reutlingen Verbund-Gewebe als Bespannung fuer den Blattbildungsteil einer Papiermaschine
US5013330A (en) * 1989-12-04 1991-05-07 Asten Group, Inc. Multi-layered papermakers fabric for thru-dryer application
KR20020082311A (ko) * 2001-04-20 2002-10-31 고려연마공업 주식회사 유연성 기능을 갖는 연마포용 직물기재
JP2004107824A (ja) * 2002-09-18 2004-04-08 Masaoka Towel Kk 多重ガーゼ織物
KR20060105210A (ko) * 2005-04-01 2006-10-11 주움텍스타일 주식회사 연마기재, 연마기재의 제조방법 및 연마포

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2672715A (en) 1951-04-25 1954-03-23 Walters Gustav Abrasive belt
DE3305713C1 (de) 1983-02-18 1984-04-19 Hermann Wangner Gmbh & Co Kg, 7410 Reutlingen Verbund-Gewebe als Bespannung fuer den Blattbildungsteil einer Papiermaschine
US5013330A (en) * 1989-12-04 1991-05-07 Asten Group, Inc. Multi-layered papermakers fabric for thru-dryer application
KR20020082311A (ko) * 2001-04-20 2002-10-31 고려연마공업 주식회사 유연성 기능을 갖는 연마포용 직물기재
JP2004107824A (ja) * 2002-09-18 2004-04-08 Masaoka Towel Kk 多重ガーゼ織物
KR20060105210A (ko) * 2005-04-01 2006-10-11 주움텍스타일 주식회사 연마기재, 연마기재의 제조방법 및 연마포

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP2097567A4 *

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1967621A2 (fr) 2007-03-09 2008-09-10 Zoomtextile.Co., Ltd. Support abrasif et tissu abrasif
EP1967621A3 (fr) * 2007-03-09 2009-09-30 Zoomtextile.Co., Ltd. Support abrasif et tissu abrasif
WO2011038498A1 (fr) 2009-09-29 2011-04-07 Astenjohnson, Inc. Toile de formation de papetier comportant des paires de fils complémentaires côté machine
CN102713057A (zh) * 2009-09-29 2012-10-03 阿斯顿约翰逊公司 包括数对机侧补充纱线的造纸机的成形织物
EP2483473A4 (fr) * 2009-09-29 2013-02-27 Astenjohnson Inc Toile de formation de papetier comportant des paires de fils complémentaires côté machine

Also Published As

Publication number Publication date
EP2097567A4 (fr) 2012-07-18
EP2097567A1 (fr) 2009-09-09

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