EP1778905A1 - Cabled carbon-fibre thread - Google Patents
Cabled carbon-fibre threadInfo
- Publication number
- EP1778905A1 EP1778905A1 EP04765445A EP04765445A EP1778905A1 EP 1778905 A1 EP1778905 A1 EP 1778905A1 EP 04765445 A EP04765445 A EP 04765445A EP 04765445 A EP04765445 A EP 04765445A EP 1778905 A1 EP1778905 A1 EP 1778905A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- yarn
- strands
- carbon fibers
- thread
- radius
- 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
Links
- 239000000835 fiber Substances 0.000 title abstract description 23
- 238000009958 sewing Methods 0.000 claims abstract description 24
- 238000000034 method Methods 0.000 claims abstract description 22
- 238000004519 manufacturing process Methods 0.000 claims abstract description 14
- 229920001971 elastomer Polymers 0.000 claims abstract description 10
- 239000000806 elastomer Substances 0.000 claims abstract description 5
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 5
- 239000005060 rubber Substances 0.000 claims abstract description 5
- 239000004567 concrete Substances 0.000 claims abstract description 4
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 46
- 239000004917 carbon fiber Substances 0.000 claims description 46
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 16
- 238000005299 abrasion Methods 0.000 claims description 6
- 229920001169 thermoplastic Polymers 0.000 claims description 3
- 239000004416 thermosoftening plastic Substances 0.000 claims description 3
- 229910010293 ceramic material Inorganic materials 0.000 claims description 2
- 229920001187 thermosetting polymer Polymers 0.000 claims 1
- 229920000642 polymer Polymers 0.000 abstract description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract 4
- 229910052799 carbon Inorganic materials 0.000 abstract 4
- 238000012360 testing method Methods 0.000 description 12
- 239000002131 composite material Substances 0.000 description 10
- 239000000463 material Substances 0.000 description 10
- 239000011159 matrix material Substances 0.000 description 7
- 239000011162 core material Substances 0.000 description 5
- 230000002787 reinforcement Effects 0.000 description 5
- 238000004804 winding Methods 0.000 description 5
- 239000010410 layer Substances 0.000 description 4
- 229920000728 polyester Polymers 0.000 description 4
- 229920005989 resin Polymers 0.000 description 4
- 239000011347 resin Substances 0.000 description 4
- 238000003763 carbonization Methods 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 239000004695 Polyether sulfone Substances 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 238000007380 fibre production Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 229920006393 polyether sulfone Polymers 0.000 description 2
- 239000004753 textile Substances 0.000 description 2
- VSSAADCISISCOY-UHFFFAOYSA-N 1-(4-furo[3,4-c]pyridin-1-ylphenyl)furo[3,4-c]pyridine Chemical compound C1=CN=CC2=COC(C=3C=CC(=CC=3)C3=C4C=CN=CC4=CO3)=C21 VSSAADCISISCOY-UHFFFAOYSA-N 0.000 description 1
- 229910052582 BN Inorganic materials 0.000 description 1
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- 239000004696 Poly ether ether ketone Substances 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 229920002873 Polyethylenimine Polymers 0.000 description 1
- 239000004734 Polyphenylene sulfide Substances 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 241000276425 Xiphophorus maculatus Species 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 239000004760 aramid Substances 0.000 description 1
- 229920003235 aromatic polyamide Polymers 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000009945 crocheting Methods 0.000 description 1
- -1 duromers (e.g. Polymers 0.000 description 1
- 125000003700 epoxy group Chemical group 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000000543 intermediate Substances 0.000 description 1
- 239000013067 intermediate product Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229920001643 poly(ether ketone) Polymers 0.000 description 1
- 229920002492 poly(sulfone) Polymers 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920002577 polybenzoxazole Polymers 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920006149 polyester-amide block copolymer Polymers 0.000 description 1
- 229920002530 polyetherether ketone Polymers 0.000 description 1
- 229920005649 polyetherethersulfone Polymers 0.000 description 1
- 229920000069 polyphenylene sulfide Polymers 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 230000036316 preload Effects 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 238000009991 scouring Methods 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000009864 tensile test Methods 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
- D02G3/44—Yarns or threads characterised by the purpose for which they are designed
- D02G3/46—Sewing-cottons or the like
-
- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
- D02G3/22—Yarns or threads characterised by constructional features, e.g. blending, filament/fibre
- D02G3/26—Yarns or threads characterised by constructional features, e.g. blending, filament/fibre with characteristics dependent on the amount or direction of twist
- D02G3/28—Doubled, plied, or cabled threads
Definitions
- the invention relates to a yarn of at least two, mutually wound strands of endless carbon fibers, a method for the manufacture and the use of such yarns.
- textile preforms for example for technical applications, such as fiber composites, filter media, u.a. suitable sewing threads necessary.
- These yarns are intended to fix the preform, but increasingly reinforce structurally, even at very high temperatures, as required for example in the production of fiber ceramics or when used as filter media in chemically and / or thermally highly loaded processes.
- sewing threads have been developed which have a core of carbon fibers and are additionally covered with another yarn (see, for example, JP-A 2133632 or JP-A 1061527).
- This sheathing can be done by various methods, for example by winding or crocheting. Since wrapping means a heavy burden on the yarn material, this z.
- these yarns have a low composite adhesion to the plastic matrix and reduce the fiber volume fraction of carbon fibers in a fiber composite material by the proportion of Umwindegarne.
- the core materials of the sewing yarns can not be placed close enough to the fabric because the bulky sheath is located therebetween.
- glass twists, aramid or so-called PBO fibers are used for sewing, since they have a higher transverse strength than carbon fibers and in this way survive damage to the abrasive sewing process.
- their printing properties or their mechanical properties in combination with a matrix, such as plastic are considerably lower than at Carbon fibers, so that a real structural reinforcement can not be achieved.
- the filaments of filament yarn fibers are parallel in the yarn after production and thus form only a small cohesion to a closed yarn structure.
- twists are introduced into filament yarns. This usually additional manufacturing step means a first damage to the filaments, which then in the subsequent sewing process cause further filament damage to Gamabriss.
- the yarns should be better suited for use as sewing threads than those previously available on the market.
- the object of the invention is achieved in that the yarn has at least two, mutually wound strands of endless carbon fibers, wherein the carbon fibers of the strands are arranged at least almost parallel to the yarn direction.
- carbon fibers are understood to mean endless carbon fibers (carbon fiber filaments).
- the arrangement of the carbon fiber in a single processing step which is selected almost parallel to the yarn axis, achieves that the loss of strength as a result of the filament breaks during the two-stage twisting process caused by the mutual winding of the strands in the two-stage twisting process Production or otherwise unavoidable skew of the filaments in the yarn in a single-stage twisting method significantly lower fails.
- the yarns according to the invention can be produced by producing them by direct cabling of at least two carbon fiber strands.
- This direct cabling has hitherto been used only for the production of tire cord (see, for example, WO 02/103097).
- the Swiss Sea by which the strands used to produce the yarn according to the invention are wound around each other, in the region in which a contact with the strands, a radius of at least 4 mm, preferably 4 to 40 mm, especially preferably at least 6 to 12 mm.
- each of the thread guiding elements used in a direct cabling machine has a radius of at least 4 mm, preferably 4 to 40 mm, in the region in which contact takes place with one or more of the strands or with the finished yarn , more preferably 6 to 12 mm.
- the surface of the Caribbean classroom is coated with a plasma application in the composition 97% of AI2O3 and 3% of TiO2, which is subsequently polished.
- the direct cabling of the precursor that is to say of the fibers which are further processed by oxidation and / or carbonization into carbon fibers, can also take place, after which the oxidation and / or carbonization takes place. It is also conceivable to withdraw all intermediate products of carbon fiber production from the process, to direct-cofacilitate and then to feed it back into the carbon fiber production at the removal point. In particular, the intermediates prior to carbonization are particularly suitable for this purpose.
- the yarn according to the invention is characterized in particular by an average abrasion resistance of from 50 to 350, preferably from 175 to 300.
- the abrasion resistance is measured by the following method:
- a yarn G is clamped in a yarn clamp 7 and passed through a sewing needle 5 corresponding to the yarn course in FIG. 1 and loaded at the other, free yarn end with a weight 6 of 10 g.
- a crosshead 1 with the sewing needle 5 cyclically and horizontally by a stroke of about 75 mm.
- the cross member 1 is mounted on a bearing 2 via a bearing 4.
- the stroke of about 75 mm is limited by stops 3 'and 3 ", which process about 60 strokes per minute.
- the yarn G Since the one yarn end is fixed in the yarn clamp, the yarn G is - due to the ever-changing distance between the yarn clamp 7 and needle eye of the needle 5 - moved through the needle eye of the needle 5 and undergoes in this way a scrub stress.
- the number of strokes executed until then is recorded. This measurement is performed on eight different yarn sections. At the end of the test, all eight values are averaged and rounded to an integer number. This integer number is given as a measure of the average rub resistance.
- the measurement of the average abrasion resistance is excellent for judging the sewing properties of the tested yarn.
- D is the turns of the strands per m
- A takes values between 170 and -35.
- K is the average knot strength in MPa
- D is the turns of the strands per m
- B takes values between 250 and 450.
- the knot strength is measured according to DIN 53842, however, the yarn ends are fixed with cardboard hoppers before they are clamped in the tensile testing machine. In addition, no preload force is adjusted due to the brittleness of the material.
- the yarn according to the invention is distinguished by the fact that the carbon fibers in the strands have a diameter of 3 to 10 ⁇ m, in particular 6 to 10 ⁇ m.
- the cross - sectional opening of the merge loop has a curved course in the area where Game touches the merge loop, with the smallest radius of the curved course is about 15 mm.
- the yarn inlet and outlet areas of the assembly eye are rounded to smaller radii in the range of 1 to 3 mm.
- the other yarn guides in turn have a curved course in cross section, wherein the smallest radius is about 8 mm.
- yarns B and C give the best results in terms of shear strength and knot strength. They are therefore also ideally suited as sewing threads.
- the fiber-matrix connection is particularly important for the mechanical material potential.
- a prepreg was prepared from yarns B and C in conjunction with a resin film, and the compressive strength was measured according to EN 2850-B2 and the apparent interlaminar shear strength according to EN 2563 , To carry out the test, the following steps are necessary: Firstly, a prepreg film (HexPly 6376 prepreg film from Hexcel Composite, Dagneux (US Pat. France)) with a basis weight of 72 g / m 2 applied.
- the yarn is wound on this film with a laboratory winding machine perpendicular to the winding axis with a yarn tension of 500 cN and a winding speed of 23.1 mm / s so that a UD structure is formed.
- the layers are again wound with a prepreg film having a basis weight of 72 g / m 2 .
- This entire UD structure and the metallic core are heated in an oven - with constant rotation - in 20 minutes at 80 0 C, kept for 20 minutes below 80 0 C and cooled to room temperature in 60 minutes.
- the resulting UD body is cut open at the eight edges, resulting in 8 platy preprep materials.
- These prepreg materials are further processed according to the standards EN 2850-B2 and EN 2563 into multilayer laminates in an autoclave and a conventional vacuum structure and tested under standard conditions.
- yarns B and C of the invention have similar high apparent interlaminar shear strength and compressive strength to conventional carbon fiber yarn E.
- the cabling process of the present invention does not significantly deflect the filaments of the yarn from their orientation parallel to the yarn longitudinal axis otherwise the pressure characteristics would have dropped.
- Comparative yarn F which has a core of carbon fiber filaments and a crocheted jacket of polyester yarn, exhibits significantly poorer compressive strengths.
- the load-absorbing carbon fiber filaments are therefore no longer stretched along the yarn longitudinal axis and therefore fail faster at a pressure load.
- the polyester sheath obstructs the necessary adhesion between load-bearing carbon fiber and matrix material.
- the second comparative yarn G is outstandingly sewn on account of its high transverse strength and its ductile material behavior, it has very low shear and compressive strengths, so that a reinforcing effect in fiber composite materials is not to be expected.
- test specimens are produced and tested in accordance with EN 6038. Notwithstanding EN 6038, the test specimen produced has a wall thickness of 4 mm, while the test was carried out with a span of 15 mm. To this end, four layers of quasi-isotropic, four-layered multiaxial layers (NCF, 267 g / m 2 fiber surface weight of the scrubland cell) are sutured. The sewing is done with the above-mentioned yarn C with a stitch length of 4 mm, a seam spacing of 3 mm and a stretched lower thread in the lockstitch (also yarn C).
- the resulting textile preform with a square base area of 315 mm 2 and a wall thickness of 4 mm is impregnated with RTM6 resin from Hexcel in compliance with the resin manufacturer specifications so that a pore-free fiber composite material with a fiber volume fraction of 60 ⁇ 4% , Test specimens were sawn and tested from this plate according to the test standard EN 6038 (hereinafter referred to as "NCF sewn").
- prepreg an analogously constructed prepreg laminate (16 layers each with 267 g / m 2 fiber surface weight of the prepreg single layer, mirror symmetrical to the median plane of a resin film (HexPly 6376 from Hexcel Composite, Dagneux (France)) and carbon fibers (Tenax HTS 5631 800tex Applicant's f12000 t ⁇ ) (hereinafter referred to as "prepreg").
- Table 3 shows the results of the test (residual compressive strength after impact according to EN 6038 in [MPa]) with the yarn according to the invention (NCF sewn) compared to an unvarnished multiaxial fabric (NCF unwown) and an analogously constructed laminate (prepreg).
- the yarn of the present invention can be used in virtually all matrices reinforced with fibers.
- suitable matrix materials include polymers such as thermoplastics (e.g., polyethylenimine, polyetherketone, polyetheretherketone, polyphenylenesulfide, polyethersulfone, polyetherethersulfone, polysulfone), duromers (e.g., epoxies), and elastomers, as well as rubbers.
- thermoplastics e.g., polyethylenimine, polyetherketone, polyetheretherketone, polyphenylenesulfide, polyethersulfone, polyetherethersulfone, polysulfone), duromers (e.g., epoxies), and elastomers, as well as rubbers.
- ceramic materials e.g., silicon carbide or boron nitride
- metallic materials e.g., steel (alloys), titanium
- Thermoplastics and duromers are particularly suitable because the necessary fiber-matrix adhesion between these polymeric materials and the carbon fiber is particularly good.
- the direct cabling of carbon fibers can be used not only for the production of sewing threads but also, for example, for the production of yarns for concrete reinforcement. For example, if strands are selected for direct cabling, of which one strand has a higher thread tension than the other strand, then in direct cabling the one or more strands having the lower thread tension will wrap around the strand or strands with the higher thread tension. In this way, a yarn with a kind of ribbing, as they have, for example, reinforcing bars for the reinforcement of reinforced concrete. Thus, a mechanical anchoring of the yarn in the concrete is possible.
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL04765445T PL1778905T3 (en) | 2004-08-10 | 2004-09-21 | Cabled carbon-fibre thread |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102004038710 | 2004-08-10 | ||
PCT/EP2004/010569 WO2006018036A1 (en) | 2004-08-10 | 2004-09-21 | Cabled carbon-fibre thread |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1778905A1 true EP1778905A1 (en) | 2007-05-02 |
EP1778905B1 EP1778905B1 (en) | 2008-10-01 |
Family
ID=34958782
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP04765445A Active EP1778905B1 (en) | 2004-08-10 | 2004-09-21 | Cabled carbon-fibre thread |
Country Status (10)
Country | Link |
---|---|
US (1) | US7677023B2 (en) |
EP (1) | EP1778905B1 (en) |
JP (1) | JP4518429B2 (en) |
CN (1) | CN101001986B (en) |
AT (1) | ATE409767T1 (en) |
DE (1) | DE502004008178D1 (en) |
DK (1) | DK1778905T3 (en) |
ES (1) | ES2311844T3 (en) |
PL (1) | PL1778905T3 (en) |
WO (1) | WO2006018036A1 (en) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2155476B1 (en) * | 2007-06-12 | 2011-09-14 | Hexcel Reinforcements | Method for making a composite material having at least one twisted thread deposited therein |
WO2009027615A2 (en) * | 2007-08-30 | 2009-03-05 | Ritm | Hybrid thread and method for making same |
FR2920787B1 (en) * | 2007-09-12 | 2010-03-19 | Ritm | METHOD FOR MANUFACTURING HYBRID THREAD |
DE102008039840A1 (en) * | 2008-08-27 | 2010-03-04 | Sgl Carbon Ag | Stretched carbon fiber yarns for a heater |
WO2013157613A1 (en) | 2012-04-18 | 2013-10-24 | 三菱レイヨン株式会社 | Carbon fiber bundle and method of producing carbon fiber bundle |
EP3312320B1 (en) * | 2013-07-22 | 2022-03-16 | Murata Machinery, Ltd. | Carbon nanotube yarn production device |
US10543646B2 (en) | 2018-01-12 | 2020-01-28 | Arevo, Inc. | Structural sewing and overmolding |
TW201938864A (en) | 2018-03-06 | 2019-10-01 | 日商東麗股份有限公司 | Carbon fiber and method for manufacturing same |
TW201940771A (en) | 2018-03-06 | 2019-10-16 | 日商東麗股份有限公司 | Carbon fiber bundle and production method therefor |
DE102019212056A1 (en) * | 2019-08-12 | 2021-02-18 | Contitech Antriebssysteme Gmbh | Helical drive belt |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55771U (en) * | 1978-06-19 | 1980-01-07 | ||
JPS5915531A (en) * | 1982-07-17 | 1984-01-26 | 東邦レーヨン株式会社 | Activated carbon fiber spun yarn |
US4714642A (en) * | 1983-08-30 | 1987-12-22 | Basf Aktiengesellschaft | Carbon fiber multifilamentary tow which is particularly suited for weaving and/or resin impregnation |
US6045906A (en) * | 1984-03-15 | 2000-04-04 | Cytec Technology Corp. | Continuous, linearly intermixed fiber tows and composite molded article thereform |
JPS6445830A (en) * | 1987-08-13 | 1989-02-20 | Toray Industries | High performance carbon fiber cord |
JPS6461527A (en) | 1987-08-26 | 1989-03-08 | Toyo Boseki | Covered yarn |
JPH0726273B2 (en) * | 1988-02-22 | 1995-03-22 | 東レ株式会社 | Preform manufacturing thread and method for manufacturing the same |
US5116681A (en) * | 1988-04-08 | 1992-05-26 | E. I. Du Pont De Nemours And Company | Anti-static yarns containing polystyrene |
JP2764957B2 (en) | 1988-11-10 | 1998-06-11 | 東レ株式会社 | Carbon fiber reinforced plastic |
DE19932842B4 (en) * | 1999-07-14 | 2004-08-12 | Institut Für Verbundwerkstoffe Gmbh | Carbon fiber sewing thread for fiber-plastic composite components |
DE19932849C2 (en) * | 1999-07-14 | 2003-07-03 | Herbert Amrhein | Contacting device for establishing an electrically conductive connection |
US6601378B1 (en) * | 1999-09-08 | 2003-08-05 | Honeywell International Inc. | Hybrid cabled cord and a method to make it |
US6513314B2 (en) | 2001-06-15 | 2003-02-04 | Acordis Industrial Fibers, Inc. | Apparatus and method of manufacturing multi-filament cords |
-
2004
- 2004-09-21 ES ES04765445T patent/ES2311844T3/en active Active
- 2004-09-21 WO PCT/EP2004/010569 patent/WO2006018036A1/en active IP Right Grant
- 2004-09-21 CN CN2004800437874A patent/CN101001986B/en not_active Expired - Fee Related
- 2004-09-21 JP JP2007525179A patent/JP4518429B2/en not_active Expired - Fee Related
- 2004-09-21 DE DE502004008178T patent/DE502004008178D1/en active Active
- 2004-09-21 US US11/659,832 patent/US7677023B2/en not_active Expired - Fee Related
- 2004-09-21 PL PL04765445T patent/PL1778905T3/en unknown
- 2004-09-21 EP EP04765445A patent/EP1778905B1/en active Active
- 2004-09-21 DK DK04765445T patent/DK1778905T3/en active
- 2004-09-21 AT AT04765445T patent/ATE409767T1/en active
Non-Patent Citations (1)
Title |
---|
See references of WO2006018036A1 * |
Also Published As
Publication number | Publication date |
---|---|
ES2311844T3 (en) | 2009-02-16 |
JP4518429B2 (en) | 2010-08-04 |
WO2006018036A1 (en) | 2006-02-23 |
CN101001986B (en) | 2010-06-16 |
JP2008509298A (en) | 2008-03-27 |
DK1778905T3 (en) | 2008-12-01 |
ATE409767T1 (en) | 2008-10-15 |
US7677023B2 (en) | 2010-03-16 |
PL1778905T3 (en) | 2009-02-27 |
DE502004008178D1 (en) | 2008-11-13 |
EP1778905B1 (en) | 2008-10-01 |
US20070193246A1 (en) | 2007-08-23 |
CN101001986A (en) | 2007-07-18 |
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Legal Events
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PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
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17P | Request for examination filed |
Effective date: 20070312 |
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