EP1600543A1 - Barre pour éléments de tricotage à mailles jetées - Google Patents

Barre pour éléments de tricotage à mailles jetées Download PDF

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Publication number
EP1600543A1
EP1600543A1 EP04012519A EP04012519A EP1600543A1 EP 1600543 A1 EP1600543 A1 EP 1600543A1 EP 04012519 A EP04012519 A EP 04012519A EP 04012519 A EP04012519 A EP 04012519A EP 1600543 A1 EP1600543 A1 EP 1600543A1
Authority
EP
European Patent Office
Prior art keywords
profile
bar according
profiles
prepreg
cavity
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.)
Granted
Application number
EP04012519A
Other languages
German (de)
English (en)
Other versions
EP1600543B1 (fr
Inventor
Kresimir Mista
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.)
Karl Mayer Textilmaschinenfabrik GmbH
Original Assignee
Karl Mayer Textilmaschinenfabrik GmbH
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 Karl Mayer Textilmaschinenfabrik GmbH filed Critical Karl Mayer Textilmaschinenfabrik GmbH
Priority to EP04012519A priority Critical patent/EP1600543B1/fr
Priority to ES04012519T priority patent/ES2303001T3/es
Priority to DE502004006772T priority patent/DE502004006772D1/de
Priority to US11/091,629 priority patent/US20060010924A1/en
Priority to TW094116973A priority patent/TWI294930B/zh
Priority to JP2005152508A priority patent/JP2005336700A/ja
Priority to KR1020050044500A priority patent/KR100685457B1/ko
Priority to CNB2005100739334A priority patent/CN100410437C/zh
Publication of EP1600543A1 publication Critical patent/EP1600543A1/fr
Application granted granted Critical
Publication of EP1600543B1 publication Critical patent/EP1600543B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B27/00—Details of, or auxiliary devices incorporated in, warp knitting machines, restricted to machines of this kind
    • D04B27/06—Needle bars; Sinker bars
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B15/00—Details of, or auxiliary devices incorporated in, weft knitting machines, restricted to machines of this kind
    • D04B15/20—Needle bars

Definitions

  • the invention relates to a knitting tool Barre one Knitting machine with a fiber-reinforced plastic having body which with walls a cavity surrounds, which extends in the longitudinal direction.
  • Knitting machines have several bars, knitting tools wear. Under "impact tools” become simplicity half of all elements summarized, the knitting process involved, for example, knitting needles, hole needles, Milling plates, pole plates, deburring plates, etc.
  • a barre can extend over a relatively long length, for example, over the entire length of a Knitting machine. In individual cases it can be a length in reach the order of about 6 m. Even with shorter ones Lengths you put certain demands on the mechanical stability of the bar. In particular, should Barre have a certain rigidity and not swing. On the other hand, you want the mass of the barre keep as low as possible, because every single cycle Knitting machine must be accelerated. The smaller the Mass is, the smaller are those to accelerate necessary forces and the higher the working speed be the knitting machine.
  • the bars of a knitting machine are off a light metal, such as magnesium or aluminum formed. These materials are relatively light.
  • a Barre made from it still has a considerable amount Dimensions. It has therefore, for example, in DE 38 40 531 C1 proposed to strengthen the barre To form plastic.
  • the barre a hollow profile with a cavity on the round of largely closed peripheral walls is limited. Outside the hollow profile are two fastening profiles molded, which for clamping fastening of retaining arms or serve from Nadelbleien.
  • the invention is based on the object, a Barre with low mass and high mechanical stability specify.
  • This task is at a bar of the aforementioned Art solved by the fact that the body of at least composed of two open profiles.
  • the profiles have at least one connection surface on, in which they lie flat against each other.
  • About connecting surfaces can be a relative provide large contact area over which a connection between two or more profiles with sufficient Reliability can be done.
  • the profiles glued together are. Due to the fact that the bonding is extensive is done over the connecting surfaces, also results a very low end strength adhesive high holding power.
  • At least one profile in Cavity provided with a fastening aid is.
  • the fastening aid element can be attached to the profile before the profiles are put together. So you do not have this fixing aid yet take into account in the production of the profile. Much more It can be attached to the inside of the profile later bounded the cavity, attached and fixed there if this inner side is still freely accessible.
  • the fastening aid element is glued. This measure is mainly for the production the barre makes sense.
  • the fastening aid element attached to the inside of the profile then retains It also contributes to its position during assembly.
  • Befest Trentsselement can be, for example, a Use nut that provides a thread into that later a bolt can be screwed. Naturally In this case you will get a hole through the profile or to make the profiles.
  • a profile has on its outside transversely extending to the longitudinal grooves, between which wave-shaped webs are arranged.
  • the grooves serve for receiving needles, such as knitting needles.
  • the webs support the needles in the longitudinal direction against each other and then define a distance between adjacent ones Needles. Characterized in that the webs wavy run, increased strength is provided. Since the profiles made of fiber-reinforced plastic, for example formed carbon fiber reinforced plastic are reached by the wave, which basically only a "mountain" that at least a part of the fibers into a part of the profile, in the grooves have not yet penetrated. The bridges then have increased resistance to damage on.
  • At least one profile is made of a prepreg educated.
  • a prepreg is a semi-finished product in which fibers, For example, carbon fibers, and plastic in one predetermined ratio are mixed. in this connection the fibers are already in a predetermined way and Way arranged inside the plastic. Plastic forms a matrix reinforced by the fibers becomes.
  • Prepregs are for example in the form of Mats before, which can be inserted in a press. With The help of a prepreg usually gives you a better one Distribution of the fibers in the plastic matrix as with an addition of plastic during the pressing process. After the pressing process, often with heat is fed, the prepreg can cure and then keep its final shape. Protruding parts of the Prepregs that are not needed, you can at Pressing or punching afterwards or in a separate Saw off or cut off the machining process.
  • the prepreg is a UD prepreg is educated.
  • a UD prepreg (UD stands for unidirectional) running fibers practically exclusively in one direction. In this direction has then the profile formed from the prepreg increased tensile strength. By choosing the fiber direction you have So a significant influence on the strength the barre.
  • the profile of at least two successive lying prepregs formed whose fiber directions include a predetermined angle.
  • This Angle can be for example 90 °. In this case you have an elevated train in virtually all directions Crush resistance.
  • the body has a higher fiber content as the prepreg on.
  • This can be done by that one in producing at least one profile Pressing force that ensures that a part of the Plastic is pushed out of the press. you This can also make it easier by having one for one Pressing prepared prepreg into a piece of textile Wrapping fabric. This will make the plastic faster on the surface and over this to the edge of the prepreg guided. For example, if the prepreg a Fiber content of 60%, then you can through the higher compressive force the body with a fiber content of 70% provided.
  • At least one profile has a curved one Section on.
  • a vaulted section opposite a flat section increased strength.
  • a curved section can be by a pressing operation produce.
  • the profiles have a shape with which they only in one single orientation can be applied to each other.
  • the Profiles are then self-centering, i. E. she fit only in one orientation to each other.
  • Such Shape can be achieved, for example, by that you have the profiles with matching curves or tabs.
  • Fig. 1 shows several knitting tools of a knitting machine namely guide bars 1a-1d, a board bar 2, a Slide bar 3 and a needle bar 4.
  • the guide bar 1a-1d carry guide needles 5, which via a holder 6, the can also be referred to as Nadelblei, on the guide bar 1a-1d are attached.
  • the board bar 2 carries Blanks 7.
  • the slide bar 3 carries slide 8 and the needle bar 4 carries knitting needles. 9
  • a guide bar 1a has a body consisting of two Profiles 10, 11 is composed.
  • the two profiles 10, 11 surround a cavity 12 which is perpendicular extends to the drawing plane.
  • the direction perpendicular to Drawing plane is hereinafter referred to as "longitudinal direction", because they are with the longitudinal direction of the knitting machine coincides, the effective range shown in Fig. 1 is.
  • Fig. 2 shows a press mold 13, for producing the Profiles 11.
  • the press mold has a top 14 and a lower part 15, which in Fig. 2 is slightly offset from one another are shown to point to the profile 11 can.
  • the profile 11 is made of at least two, preferably formed three UD prepregs whose fibers are longitudinal or run across it. To create the profile 11 will be superimposed and in the right one Size brought UD prepreg inserted into the press mold 13. Upper part 14 and lower part 15 are with a predetermined force moves towards each other to the profile 11 to get in shape. If necessary, too Heat are supplied. After curing the prepregs one obtains the profile 11 in the desired shape. border areas 16, 17, which are superfluous, can by sawing or punching away.
  • the profile 11 (the same applies to all other profiles Also) is designed as an open profile, i. both Pages of profile 11 are fully accessible.
  • the other profile 10 is in principle the same as the profile 11 built. It has one at its upper end Web 26, which is provided with an opening 27. Of the The bridge has an angled reinforcing strip 28, for example, an angle of 90 ° to the web 26th includes. The reinforcing strip 28 points from the cavity 12 away. It gives the Legebarre 1a a relative great rigidity in the longitudinal direction, but disturbs not further, because they are in the assembled state the bolt is adjacent, which passed through the threaded hole 23 is.
  • the guide bar 1d is even designed so that the two Profiles 10 ', 11' are formed equal, i. you can use the same profiles 10 ', 11' and one around Fold 180 ° to form the guide bar 1d. Usually but you will be in a knitting machine same Legebarren use.
  • the profile 11 has at the web 21 opposite Side an extension 29 on, which is also a Connecting surface 30 forms.
  • the extension 29 is located in assembled state (Fig. 1 and 4) at a corresponding Extension 31 of the profile 11 at.
  • the two Profiles 10, 11 produced in the press mold 13.
  • the Holes 18, 19 are also made, for example by drilling or punching.
  • the two Profiles 10, 11 assembled and at the connecting surfaces 22, 30 interconnected. This connection can be done for example by gluing.
  • glue with low final strength use and still a very high holding power to reach.
  • the superimposed Webs 21, 26 and extensions 29, 31 and for the Screwing the active elements or for attachment the barre are used. With appropriate screwing the bond is insignificant, so that if necessary even they can be dispensed with.
  • the board bar 2 also has two profiles 32, 33, which enclose a cavity 34.
  • the profiles 32, 33 lie in sections 35, 36 and 37, 38 to each other and can be connected there.
  • a bolt 39 is guided, which in a Nut 40 is screwed in, which is on the inside of the section 35 is fixed, for example by Glue.
  • the bolt 39 not only holds the board bar 2 fixed to a bracket 41, he also provides a connection between the two profiles 32, 33 sure.
  • the profile 45 has two bent sections 52, 53 on. Curved sections convey the profile in Longitudinal increased rigidity. Also the profile 46 has a bent portion 54, wherein the bent portions 53 and 54 abut each other. There, the two profiles 45, 46 glued together be.
  • FIGS. 5 and 6 now show the needle bar 4 with further Details.
  • the needle bar initially has two Profiles 57, 58, attached to their angled reinforcing strips 59, 60 are interconnected.
  • a nut 61 is glued on the Inside the profile 57.
  • the nut is accessible through an opening 62, so that the needle bar 4 at a not shown Carrier can be attached.
  • profile 63 On the outside of the profile 58 is another profile 63, which is shown enlarged in Fig. 5b is.
  • the profile 63 forms a longitudinal groove 64, in a projection 65 of each needle 9 engages to to fix the needle 9 in the direction of movement via slide.
  • All three profiles 57, 58, 63 are of three layers constructed, as can be seen from Fig. 5b.
  • the layers are labeled "-1", "-2" and "-3".
  • each Layer is formed by a prepreg, so a semi-finished, in which fibers, in particular carbon fibers, in one Embedded plastic matrix.
  • the prepregs as UD prepregs (unidirectional prepregs) formed, i. the fibers are all in one Direction aligned.
  • UD prepregs unidirectional prepregs
  • Prepregs for the production are several Prepregs, in the present case three, stacked and then in a form similar to that shown in FIG pressed together. The prepregs are doing this with different orientations of their fibers put on each other.
  • the profiles 58, 63 in a corresponding Press are formed, then they form, like this Fig. 6b can be seen, a shaft 66, wherein the fibers the layer 63-3 in a plane parallel to the Punches 9 are.
  • this Longitudinal groove 64 only the two upper layers 63-1, 63-2 penetrates, but also grooves 67 are made, in the later knitting needles 9 are arranged can.
  • the remaining lands 68 then become formed by fibers of the outer layer 63-3, consisting of emerge from the "underground” and back into the "underground” immerse so that the outer layer of the shaft 66 practically formed by a continuous fiber structure is anchored at the ends of the fibers, so are not free. This contributes significantly to the stability the waves 66 at. Similar considerations apply to the webs 68. Their fibers are at least one side in Underground.
  • the knitting needles 9 are using a bracket 69 in held the grooves 67.
  • the bracket 69 is using a clamping piece 70 held on the needle bar 4, wherein the clamping piece 70 by a screw 71 on the Needle bar 4 is fixed, in a threaded piece 72nd is screwed through the two profiles 58, 63 is guided.
  • the profiles 57, 58, 63 in glued to each other in the present embodiment.
  • the individual profiles can still be processed after pressing become. For example, you can click on the sawn or cut to the correct length. Parallel to the longitudinal direction protruding parts can also be cut off or punched. Preferably you can train the profiles of a barre so that they only laid out in mutual alignment can be, for example, based on the Slider 3 through the curved portions 53, 54th and the reinforcing bars 48, 49 is shown.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Moulding By Coating Moulds (AREA)
  • Knitting Machines (AREA)
  • Knitting Of Fabric (AREA)
EP04012519A 2004-05-27 2004-05-27 Barre pour éléments de tricotage à mailles jetées Expired - Lifetime EP1600543B1 (fr)

Priority Applications (8)

Application Number Priority Date Filing Date Title
EP04012519A EP1600543B1 (fr) 2004-05-27 2004-05-27 Barre pour éléments de tricotage à mailles jetées
ES04012519T ES2303001T3 (es) 2004-05-27 2004-05-27 Barra de utiles de tricotar.
DE502004006772T DE502004006772D1 (de) 2004-05-27 2004-05-27 Wirkwerkzeug-Barre
US11/091,629 US20060010924A1 (en) 2004-05-27 2005-03-29 Knitting tool bar
TW094116973A TWI294930B (en) 2004-05-27 2005-05-24 Knitting tool bar
JP2005152508A JP2005336700A (ja) 2004-05-27 2005-05-25 経編機の編成ツールバー
KR1020050044500A KR100685457B1 (ko) 2004-05-27 2005-05-26 편직 공구 바아
CNB2005100739334A CN100410437C (zh) 2004-05-27 2005-05-27 梳栉

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP04012519A EP1600543B1 (fr) 2004-05-27 2004-05-27 Barre pour éléments de tricotage à mailles jetées

Publications (2)

Publication Number Publication Date
EP1600543A1 true EP1600543A1 (fr) 2005-11-30
EP1600543B1 EP1600543B1 (fr) 2008-04-09

Family

ID=34925141

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04012519A Expired - Lifetime EP1600543B1 (fr) 2004-05-27 2004-05-27 Barre pour éléments de tricotage à mailles jetées

Country Status (8)

Country Link
US (1) US20060010924A1 (fr)
EP (1) EP1600543B1 (fr)
JP (1) JP2005336700A (fr)
KR (1) KR100685457B1 (fr)
CN (1) CN100410437C (fr)
DE (1) DE502004006772D1 (fr)
ES (1) ES2303001T3 (fr)
TW (1) TWI294930B (fr)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1770194A1 (fr) * 2005-09-28 2007-04-04 KARL MAYER TEXTILMASCHINENFABRIK GmbH Barre pour les éléments de tricotage d'un métier à mailles jetées
DE102006005703A1 (de) * 2006-02-08 2007-08-16 Karl Mayer Textilmaschinenfabrik Gmbh Verfahren zum Herstellen einer Kunststoff-Wirkwerkzeugbarre und Kunststoff-Wirkwerkzeugbarre
EP2025786A1 (fr) 2007-08-16 2009-02-18 Karl Mayer Textilmaschinenfabrik GmbH Barre pour un métier à tricoter à mailles jetées
DE102006039375B4 (de) * 2006-08-22 2011-06-16 Karl Mayer Textilmaschinenfabrik Gmbh Wirkwerkzeug-Barre und Verfahren zu ihrer Herstellung
DE102010044673A1 (de) 2010-09-08 2012-03-08 Karl Mayer Textilmaschinenfabrik Gmbh Wirkwerkzeugbarren-Reparaturset und Wirkwerkzeugbarre
EP3216903A1 (fr) * 2016-03-11 2017-09-13 Karl Mayer Textilmaschinenfabrik GmbH Métier à tricoter à chaîne
EP3581691A1 (fr) * 2019-06-13 2019-12-18 KARL MAYER Textilmaschinenfabrik GmbH Outil de tricotage et machine de tricotage à chaîne

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006014147B4 (de) * 2006-03-28 2008-01-24 Karl Mayer Textilmaschinenfabrik Gmbh Verfahren zum Herstellen einer Kunststoff-Wirkwerkzeugbarre und Kunststoff-Wirkwerkzeugbarre
EP2623652A1 (fr) * 2012-01-31 2013-08-07 Karl Mayer Textilmaschinenfabrik GmbH Barre d'outils de tricotage et procédé de production d'une barre d'outils de tricotage
CN103266411A (zh) * 2013-05-28 2013-08-28 马骏 一种嵌入型可拆卸活动主针针夹及针块
ITBS20130086A1 (it) * 2013-06-21 2014-12-22 Santoni & C Spa Dispositivo per alimentare filo agli aghi di una macchina tessile
EP2942429B1 (fr) * 2014-05-07 2016-12-07 Karl Mayer Textilmaschinenfabrik GmbH AIGUILLES à TRICOTER ET BARRE D'AIGUILLES
EP3249087A1 (fr) * 2016-05-27 2017-11-29 Karl Mayer Textilmaschinenfabrik GmbH Barre pour un metier a tricoter a chaine
EP3757267B1 (fr) * 2020-11-06 2022-09-07 KARL MAYER STOLL R&D GmbH Barre pour les éléments de tricotage pour un métier à mailles jetées
EP4151789B1 (fr) * 2021-09-15 2024-12-11 KARL MAYER STOLL R&D GmbH Barre d'outils de pétrissage

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3840531C1 (de) * 1988-12-01 1990-05-10 Mayer Textilmaschf Kettenwirkmaschine mit mindestens einer Barre
DE20314470U1 (de) * 2003-09-18 2003-11-20 KARL MAYER Malimo Textilmaschinenfabrik GmbH, 09117 Chemnitz Barre aus faserverstärktem Kunststoff-Hohlprofil

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1848293A (en) * 1930-01-16 1932-03-08 Wildman Mfg Co Needle bar for full fashioned knitting machines
JPS4980354A (fr) * 1972-11-18 1974-08-02
JPS63112744A (ja) * 1986-10-24 1988-05-17 住友化学工業株式会社 織機用綜絖枠の外枠ステ−
NZ223675A (en) * 1987-07-09 1991-07-26 John Harry Hall Method of knitting a fabric including laying a drawthread into the fabric
JP3016786B2 (ja) * 1988-12-27 2000-03-06 日産自動車株式会社 繊維強化樹脂部材の製造方法
DE4111108C2 (de) * 1991-04-05 1993-10-07 Erbsloeh Julius & August Als geschlossenes Hohlprofil aus verstärktem Kunststoff ausgebildeter Träger
DE4237084C2 (de) * 1992-11-03 1995-04-13 Mayer Textilmaschf Wirknadelanordnung und zugehörige Wirknadel
DE19855711C2 (de) * 1998-12-03 2003-08-28 Mayer Textilmaschf Vorrichtung zur Befestigung von Wirkelementen an der Barre einer Kettenwirkmaschine
DE10066042B4 (de) * 2000-08-23 2004-12-02 Karl Mayer Textilmaschinenfabrik Gmbh Kettenwirkmaschine mit mehreren Musterlegebarren

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3840531C1 (de) * 1988-12-01 1990-05-10 Mayer Textilmaschf Kettenwirkmaschine mit mindestens einer Barre
DE20314470U1 (de) * 2003-09-18 2003-11-20 KARL MAYER Malimo Textilmaschinenfabrik GmbH, 09117 Chemnitz Barre aus faserverstärktem Kunststoff-Hohlprofil

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1770194A1 (fr) * 2005-09-28 2007-04-04 KARL MAYER TEXTILMASCHINENFABRIK GmbH Barre pour les éléments de tricotage d'un métier à mailles jetées
DE102006005703A1 (de) * 2006-02-08 2007-08-16 Karl Mayer Textilmaschinenfabrik Gmbh Verfahren zum Herstellen einer Kunststoff-Wirkwerkzeugbarre und Kunststoff-Wirkwerkzeugbarre
CN101015954B (zh) * 2006-02-08 2010-10-20 卡尔迈尔纺织机械制造有限公司 制造塑料成圈机件梳栉的方法以及塑料成圈机件梳栉
DE102006039375B4 (de) * 2006-08-22 2011-06-16 Karl Mayer Textilmaschinenfabrik Gmbh Wirkwerkzeug-Barre und Verfahren zu ihrer Herstellung
EP2025786A1 (fr) 2007-08-16 2009-02-18 Karl Mayer Textilmaschinenfabrik GmbH Barre pour un métier à tricoter à mailles jetées
DE102007038589A1 (de) 2007-08-16 2009-02-26 Karl Mayer Textilmaschinenfabrik Gmbh Barre für eine Kettenwirkmaschine
DE102007038589B4 (de) * 2007-08-16 2014-02-20 Karl Mayer Textilmaschinenfabrik Gmbh Barre für eine Kettenwirkmaschine
DE102010044673A1 (de) 2010-09-08 2012-03-08 Karl Mayer Textilmaschinenfabrik Gmbh Wirkwerkzeugbarren-Reparaturset und Wirkwerkzeugbarre
DE102010044673B4 (de) * 2010-09-08 2014-01-09 Karl Mayer Textilmaschinenfabrik Gmbh Wirkwerkzeugbarren-Reparaturset und Wirkwerkzeugbarre
EP3216903A1 (fr) * 2016-03-11 2017-09-13 Karl Mayer Textilmaschinenfabrik GmbH Métier à tricoter à chaîne
EP3581691A1 (fr) * 2019-06-13 2019-12-18 KARL MAYER Textilmaschinenfabrik GmbH Outil de tricotage et machine de tricotage à chaîne

Also Published As

Publication number Publication date
CN1702218A (zh) 2005-11-30
US20060010924A1 (en) 2006-01-19
TW200606294A (en) 2006-02-16
KR20060048118A (ko) 2006-05-18
ES2303001T3 (es) 2008-08-01
DE502004006772D1 (de) 2008-05-21
CN100410437C (zh) 2008-08-13
TWI294930B (en) 2008-03-21
EP1600543B1 (fr) 2008-04-09
JP2005336700A (ja) 2005-12-08
KR100685457B1 (ko) 2007-02-26

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