WO2007057238A1 - Dauergiessform und giessformeinsatz - Google Patents
Dauergiessform und giessformeinsatz Download PDFInfo
- Publication number
- WO2007057238A1 WO2007057238A1 PCT/EP2006/065098 EP2006065098W WO2007057238A1 WO 2007057238 A1 WO2007057238 A1 WO 2007057238A1 EP 2006065098 W EP2006065098 W EP 2006065098W WO 2007057238 A1 WO2007057238 A1 WO 2007057238A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- mold
- insert
- height
- casting
- receptacle
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/06—Permanent moulds for shaped castings
- B22C9/061—Materials which make up the mould
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/06—Permanent moulds for shaped castings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C19/00—Components or accessories for moulding machines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
- B22D17/20—Accessories: Details
- B22D17/22—Dies; Die plates; Die supports; Cooling equipment for dies; Accessories for loosening and ejecting castings from dies
- B22D17/229—Dies; Die plates; Die supports; Cooling equipment for dies; Accessories for loosening and ejecting castings from dies with exchangeable die part
Definitions
- the invention relates to a permanent casting mold for casting castings from a molten metal, in particular a light metal melt, and a mold insert used in such a permanent casting mold.
- Continuous casting molds of this type also known as "casting molds" in technical terminology, are used, for example, in mass production to cast cylinder heads for internal combustion engines from an aluminum melt.
- the mold inserts thereby form the combustion chambers in the cylinder heads.
- mold elements are formed which mold corresponding mold elements in the casting to be cast.
- Continuous casting molds are usually designed in several parts and each comprise at least one mold body which delimits the mold cavity forming the casting to be produced at least in sections.
- the mold body is typically made of a highly heat-resistant tool steel, which ensures a sufficiently long life of the mold body despite the high mechanical and thermal loads occurring in the casting operation.
- permanent casting molds are usually equipped with mold inserts, which are used in the surrounded by the permanent mold interior and in each case to be produced casting the respectively desired Shape elements, such as recesses or elevations, map.
- a typical example of the use of such inserts results from the casting-technical production of cylinder heads for internal combustion engines already mentioned at the outset.
- the power output, the combustion behavior and concomitantly the consumption of an internal combustion engine is decisively influenced by the shape of the respective combustion chambers molded into the cylinder head, into which the respective fuel is introduced via at least one inlet valve and from which the exhaust gases are expelled via at least one outlet valve.
- the position of the mold inserts in the respective mold body generally has to be determined empirically first by a plurality of tests in order to compensate for the thermal expansion occurring in the course of the respective casting process by appropriate dimensioning of the mold insert in that a sufficiently precise casting result is achieved. If a suitable dimensioning within the respective available space or in view of the function and stability of the respective mold insert is not possible, it may be necessary to reduce the thermal expansion cooling of the mold inserts.
- a permanent mold for casting castings from a molten metal, in particular a light metal melt that such a permanent mold at least partially surrounds a mold body, which at least partially surrounds a mold cavity depicting the casting to be cast and in its wall defining the mold cavity a receptacle having a recess which leads into the mold cavity is formed, and has a mold insert seated in the receptacle, which has a top side associated with the mold cavity surrounded by the respective permanent mold, a main body seated with cold play in the receptacle and a support collar which extending over a fraction of the height of the base body of the mold insert and positively seated in the shoulder of the receptacle, wherein the total height of the support collar and base body by an undersize, which is at least equal to the height dimension to the the base body expands in the vertical direction during casting as a result of his entering through the contact with the molten metal heating, is smaller than the depth of the recept
- a casting mold insert in particular combustion chamber insert, which solves the above-mentioned problem, has for a permanent mold for casting castings from a molten metal, in particular a light metal melt, which has a base body and a top, which is associated with the mold cavity bounded by the permanent mold, the forming of the casting to be produced molded cavity used in the permanent mold, according to the invention with respect to the main body above Support collar, whose height is smaller than the height of the mold insert.
- the invention is based on the idea to support the mold insert by a suitable structural design in the permanent mold so that it comes with its heating only a minimal change in the position of the mold cavity of the permanent mold associated top of the mold insert.
- the mold insert on a support collar, and it is formed in its associated receptacle, a correspondingly shaped paragraph, in which the support collar sits at ready mounted permanent mold.
- the main body of the mold insert is dimensioned so that it is positioned in cold mold with game in its associated recording.
- the height is sufficient to accommodate the length by which changes the height of the mold insert body at the heating of the mold insert due to the contact.
- the expansion associated with the heating of the mold insert is consequently pressed only to a very small extent in the mold cavity surrounded by the mold, while the predominant amount the expansion is absorbed by the existing space below the body.
- the expansions of casting mold and mold insert occurring in the casting operation can be adapted to each other, that despite the fact that the mold insert is exposed to a lower heat dissipation and consequently hotter and therefore expands more than the mold body surrounding the respective casting in the height direction actually occurring expansions of mold and insert are substantially the same or at least as far approached to each other that they differ only within a narrow tolerance range.
- the base body can easily have such a large volume that the mold elements formed on the mold insert are protected against overheating and the occurrence of excessive thermal stresses in the surface area of the mold is avoided.
- the invention makes it possible in this way, castings, in which by means of mold inserts in the casting operation recesses are to be formed, with improved accuracy. Especially good
- Imaging accuracies are thereby achieved when the support collar of the mold insert emanates from the surface associated with the mold cavity of the permanent mold.
- a flush connection of the surface of the mold insert to the surface of the mold body can be accomplished in a simple manner, which surrounds the mold insert used in each case associated receptacle.
- a further advantageous variant of the invention is the production of intake channel core brand inserts in molds for diesel cylinder heads.
- the position of the essential for the formation of the casting top of the mold insert is according to the invention only depends on how much the support collar changes in the height direction of the mold insert, since only the support collar is supported in height direction directly on the mold body of the mold. The smaller the height of the support collar, the lower the heating of the
- sufficient material is available in the region of the base body in order, on the one hand, to form the shape elements required for the shaping of the casting and, on the other hand, over a sufficient volume of material targeted to remove heat from the casting.
- an advantageous embodiment of the invention provides that the height of the support collar is at most 30% of the height of the base body of the mold insert.
- the goal here is to arrange the Einbaubzugsebene, ie the plane in which the support collar is supported on Kokillenanalysis in closest possible proximity to the free, the mold cavity of the mold directly associated surface of the Kokillen emotionss. Accordingly, it is favorable if the height of the support collar is at most 15% or even at most 10% of the height of the main body of the mold insert.
- Such a limitation of the height of the support collar can be easily accomplished in practice by the fact that mold insert and support collar hold only the mold insert, without being directly involved in the expression of form elements of the casting to be produced.
- the accuracy of the positioning of the mold insert in the width direction, ie transversely to its height, can be ensured by the fact that the support collar of the mold insert sits without play in its associated paragraph recording the permanent mold.
- the fit between the support collar and the receptacle can be designed so that the mold insert is securely held in the receptacle even when cold on the one hand, but on the other hand can also be easily removed from it.
- a particularly secure support of the mold insert can be achieved in that the support collar extends around the base body. Due to the minimization of the influence of the thermal expansion of the casting used by the invention on the dimensional accuracy of the casting to be produced, the invention basically allows to select the material used for the casting mold, regardless of its expansion behavior when heated only after its suitability for molding the respective desired shape elements on the casting , Practical tests have shown, however, that it is favorable, in particular with regard to optimizing the cast structure in the area of the mold element formed on the casting by the mold element, when the mold insert is made of a material whose thermal expansion coefficient is greater than that of the material of the mold body.
- the coefficient of thermal expansion of the casting insert is 17.0 * 10 -6 m / (m * K) to 18.5 * 10 -6 m / (m * K), in particular 17, 5 * 10 ⁇ 6 m / (m * K) to 18.0 * 10 ⁇ 6 m / (m * K).
- materials which are particularly suitable for the production of the mold inserts are Cu, Ni or Bebased alloys, it being advantageous for the mold insert to be based in each case to 90% to 98% of Cu, Ni or Be or on these elements Alloys exists.
- a high expansion coefficient of the mold insert proves to be particularly favorable when casting castings from light metal melts.
- a particularly rapid cooling and concomitantly a particularly fine microstructure are generated, which has an advantageous effect on the mechanical properties.
- This possibility of targeted microstructural influence during casting of cylinder heads has a particularly advantageous effect, in which a fine microstructure which is favorable with respect to the continuous loadability can be produced in a simple manner in the region of the combustion chambers with the invention.
- a further minimization of the shape deviations occurring as a result of the heating during casting can also be achieved by cooling the combustion chamber inserts and / or the mold in a manner known per se, in particular water-cooled.
- Deformations of the mold insert as a result of occurring during its heating stresses and a disability of the expansion of the mold insert in the vertical direction can also be counteracted that the undersize of the cross section of the base body relative to the cross section of the receptacle is at least equal to the extent due to the heating the mold insert enters in contact with the molten metal in the width direction entering expansion of the body.
- the material of the mold body may in particular be a steel material, as already successfully used in the prior art for this purpose.
- the material of the mold according to the invention is chosen so that it has a thermal
- Expansion coefficient between ll * 10 ⁇ 6 m / (m * K) and 12 * 10 ⁇ 6 m / (m * K) has.
- a material for the Mold body can accordingly be used in particular a tool steel, which is characterized by a high hardness and toughness.
- FIG. 1 shows a detail of a bottom plate formed as a mold body of a permanent mold for casting a cylinder head in plan view.
- FIG. 2 shows the Kokillenanalysis in a section along the registered in Fig. 1 section line A - A.
- the Kokillenanalysis 1 serves as a base plate of a casting mold, not shown further, designed as a permanent mold, which surrounds a mold cavity H depicting the respective casting.
- the Kokillenanalysis 1 is like the other Kokillenanalysis the casting mold not shown here made of a heat-resistant tool steel, in the German steel-iron list the material no. 1.2343 and (in% by weight) 0.36-0.42% C, 0.90-1.20% Si, 0.30-0.50% Mn, ⁇
- This tool steel has a coefficient of thermal expansion, which is on average ll, 5 * 10 ⁇ 6 m / (m * K).
- Internal combustion engine corresponding number of combustion chambers formed with valve seats for each two intake and two exhaust valves.
- one of the number of cylinder of the respective internal combustion engine corresponding number of mold inserts 2 are inserted into a respective seat 3 in the mold body 1.
- Each of the integrally formed mold inserts 2 has a cylindrical base body 2a, which on its side facing the mold cavity H has a plane in its annular peripheral portion and its central central portion in the direction of the mold cavity H convex surface 2b, from the pairs of intake and exhaust valve seats imaging Form elements 2c, 2d, 2e, 2f protrude.
- Starting from the planar peripheral portion of the surface 2b is formed on the base body 2a in the radial direction relative to the peripheral surface 2g of the main body 2a projecting support collar 2h, which rotates about the base body 2a and the mold cavity H associated surface 2i steplessly to the planar peripheral portion of the surface 2b of the main body 2a is connected.
- the height hs of the support collar 2h is approximately 22% of the height hg of the base 2a.
- thread tapped holes 2k In the surface 2b opposite bottom surface 2j of the main body 2a of the mold insert 2 are formed thread tapped holes 2k, in the here not shown expansion screws for fastening the mold insert 2 can be introduced from its receptacle 3.
- the receptacle 3 is cup-shaped formed in the Kokillen stresses 1 and has in the region of the mold cavity H associated opening an annular peripheral, in the mold cavity H merging paragraph 3a.
- the diameter do defined by the inner peripheral surface of the paragraph 3a opening corresponds to the outer diameter of the support collar 2h to a small undersize, so that the support collar 2h is held with cold casting mold with a slight interference fit in paragraph 3a.
- the depth of the shoulder 3a corresponds to the height hs of the support collar 2h, so that when the casting mold is cold, the surface 2i of the support collar 2h is aligned flush with the surface 1a of the mold body 1 bounding the receptacle 3.
- the mold inserts 2 used in the casting mold consist of at least 95% by weight of Cu.
- the Cu material can, in a known manner, have further constituents which are added to it in order to improve certain properties.
- Mold inserts 2 have on average a thermal expansion coefficient of 18 * 10 ⁇ 6 m / (m * K).
- the combustion chamber inserts 2 expand over their height and width when heated significantly stronger than the mold made of steel material 1.2343 mold body 1.
- the proportion of over the height of the mold insert in the direction of the mold cavity H upon heating entering expansion of the mold insert second which has an effect on the position of the surface 2 b provided with the mold elements 2 c - 2 f, low, since a change in position of the surface 2 b occurs only in proportion to the height h s of the support collar 2 h.
- the essential part of the expansion in the height direction of the mold insert 2 is received by the air space 3b formed below the base 2a in the receptacle 3.
- the expansion of the basic body 2a in the radial width direction is absorbed by the clearance present in the case of a cold casting mold between the inner peripheral wall of the receptacle 3 and the outer circumferential surface 2g of the basic body 2a. In this way it is ensured that the expansion of the base 2a in the receptacle 3 is not hindered.
- the height hs can be designed such that the surface 2b with the mold elements 2c-2f of the mold insert 2 remain at the same distance even when the light metal melt poured into the mold cavity H comes into contact is arranged to the surface Ia of the mold body 1, so that a precise impression of the combustion chamber and the valve seats is ensured in the cylinder head to be generated.
- Paragraph 3a do Diameter of the inner circumferential surface of the
- Paragraph 3a delimited opening ds oversize H mold cavity hs height of the support collar 2h hg height of the body 2a tg excess of the depth of the receptacle 3 against the
Abstract
Description
Claims
Priority Applications (11)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SI200631617T SI1948374T1 (sl) | 2005-11-16 | 2006-08-07 | Trajni kalup in vloĹľek za kalup |
PL06792722T PL1948374T3 (pl) | 2005-11-16 | 2006-08-07 | Trwała forma odlewnicza i wkładka formy odlewniczej |
BRPI0618566-5A BRPI0618566B1 (pt) | 2005-11-16 | 2006-08-07 | Molde de fundição permanente e peça de inserção do molde de fundição |
AU2006314739A AU2006314739A1 (en) | 2005-11-16 | 2006-08-07 | Permanent casting mould and casting mould insert |
JP2008540539A JP5566027B2 (ja) | 2005-11-16 | 2006-08-07 | 永久鋳型及び鋳型挿入部 |
CA002625622A CA2625622A1 (en) | 2005-11-16 | 2006-08-07 | Permanent casting mould and casting mould insert |
ES06792722T ES2421158T3 (es) | 2005-11-16 | 2006-08-07 | Molde de colada permanente y pieza de inserción de molde de colada |
EP06792722.8A EP1948374B1 (de) | 2005-11-16 | 2006-08-07 | Dauergiessform und giessformeinsatz |
CN2006800430268A CN101365551B (zh) | 2005-11-16 | 2006-08-07 | 硬模铸造模具和铸造模具插芯 |
US12/093,839 US7975751B2 (en) | 2005-11-16 | 2006-08-07 | Permanent casting mould and casting mould insert |
KR1020087011837A KR101270229B1 (ko) | 2005-11-16 | 2008-05-16 | 영구 주형 및 주형 인서트 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102005054616A DE102005054616B3 (de) | 2005-11-16 | 2005-11-16 | Dauergießform und Gießformeinsatz |
DE102005054616.1 | 2005-11-16 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2007057238A1 true WO2007057238A1 (de) | 2007-05-24 |
Family
ID=37111722
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2006/065098 WO2007057238A1 (de) | 2005-11-16 | 2006-08-07 | Dauergiessform und giessformeinsatz |
Country Status (16)
Country | Link |
---|---|
US (1) | US7975751B2 (de) |
EP (1) | EP1948374B1 (de) |
JP (1) | JP5566027B2 (de) |
KR (1) | KR101270229B1 (de) |
CN (1) | CN101365551B (de) |
AU (1) | AU2006314739A1 (de) |
BR (1) | BRPI0618566B1 (de) |
CA (1) | CA2625622A1 (de) |
DE (1) | DE102005054616B3 (de) |
ES (1) | ES2421158T3 (de) |
PL (1) | PL1948374T3 (de) |
RU (1) | RU2412779C2 (de) |
SI (1) | SI1948374T1 (de) |
UA (1) | UA95089C2 (de) |
WO (1) | WO2007057238A1 (de) |
ZA (1) | ZA200803348B (de) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102728809B (zh) * | 2012-07-05 | 2014-07-23 | 韶关市大善食品设备有限公司 | 一种绞肉机构机体及其制作方法 |
DE102015210400A1 (de) * | 2015-06-05 | 2016-12-08 | Oskar Frech Gmbh + Co. Kg | Heißkanal-Angusssystem für eine Druckgießform |
DE102015015368A1 (de) | 2015-11-28 | 2016-05-12 | Daimler Ag | Gießform zum Herstellen von unterschiedlichen Bauvarianten eines Gussteils, insbesondere für ein Fahrzeug |
DE102016105795A1 (de) * | 2016-03-30 | 2017-10-05 | Access E.V. | Kokille zum Gießen eines konturierten Metallgegenstandes, insbesondere aus TiAl |
JP6733532B2 (ja) * | 2016-12-14 | 2020-08-05 | トヨタ自動車株式会社 | ダイカスト金型 |
CN107598125A (zh) * | 2017-10-23 | 2018-01-19 | 天津市慧德工贸有限公司 | 一种嵌装式汽车水泵壳体浇铸模具 |
JP6527632B1 (ja) * | 2018-12-20 | 2019-06-05 | 本田金属技術株式会社 | 鋳造装置 |
CN113732268A (zh) * | 2021-11-04 | 2021-12-03 | 中铁建电气化局集团轨道交通器材有限公司 | 定位支座本体低压模具 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4313336A1 (de) | 1993-04-23 | 1994-10-27 | Heinz Bieler | Verfahren zur Herstellung von Grauguß-Zylinderköpfen und Abkühlelement zur Durchführung des Verfahrens |
DE19838561A1 (de) | 1998-08-25 | 2000-03-02 | Wolfram Ind Mbh Ges | Gießform für das Gießen von Formteilen aus Nicht-Eisenmetallen |
DE10059045C1 (de) | 2000-11-28 | 2002-02-28 | Hasco Hasenclever Gmbh & Co Kg | Spritzgieß- oder Presswerkzeug zur Verarbeitung von Kunststoff- oder anderen plastischen Massen |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
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US4362686A (en) * | 1980-12-22 | 1982-12-07 | Corning Glass Works | Collapsible core and method of using same |
JPS6192451U (de) * | 1984-11-22 | 1986-06-14 | ||
JPS63144843A (ja) * | 1986-12-08 | 1988-06-17 | Toshiba Corp | 鋳造用金型 |
JPH0760399A (ja) * | 1993-08-27 | 1995-03-07 | Toyota Motor Corp | 鋳造用金型構造 |
JPH09248654A (ja) * | 1996-01-11 | 1997-09-22 | Asahi Tec Corp | 中子造型機 |
WO2002098624A1 (en) * | 2001-06-05 | 2002-12-12 | Mikro Systems Inc. | Methods for manufacturing three-dimensional devices and devices created thereby |
JP2003039439A (ja) * | 2001-08-01 | 2003-02-13 | Honda Motor Co Ltd | 金型の入れ子固定構造 |
CA2376531A1 (en) * | 2002-03-14 | 2003-09-14 | Sky Cast Inc. | Hole forming plug |
DE10241238B4 (de) * | 2002-09-06 | 2007-09-27 | Kobra Formen Gmbh | Formeinsatz für Formmaschinen |
US6761208B2 (en) * | 2002-10-03 | 2004-07-13 | Delaware Machinery & Tool Co. | Method and apparatus for die-casting a V-block for an internal combustion engine |
ITBS20020088A1 (it) * | 2002-10-04 | 2004-04-05 | Meccanica Bassi Spa | Procedimento di fusione, in particolare per testa cilindri di motori |
JP2004223598A (ja) * | 2003-01-27 | 2004-08-12 | Asahi Tec Corp | 射出成形用金型 |
-
2005
- 2005-11-16 DE DE102005054616A patent/DE102005054616B3/de not_active Expired - Fee Related
-
2006
- 2006-08-07 BR BRPI0618566-5A patent/BRPI0618566B1/pt not_active IP Right Cessation
- 2006-08-07 ES ES06792722T patent/ES2421158T3/es active Active
- 2006-08-07 RU RU2008123849/02A patent/RU2412779C2/ru not_active IP Right Cessation
- 2006-08-07 CA CA002625622A patent/CA2625622A1/en not_active Abandoned
- 2006-08-07 EP EP06792722.8A patent/EP1948374B1/de active Active
- 2006-08-07 CN CN2006800430268A patent/CN101365551B/zh active Active
- 2006-08-07 UA UAA200806485A patent/UA95089C2/ru unknown
- 2006-08-07 PL PL06792722T patent/PL1948374T3/pl unknown
- 2006-08-07 US US12/093,839 patent/US7975751B2/en active Active
- 2006-08-07 AU AU2006314739A patent/AU2006314739A1/en not_active Abandoned
- 2006-08-07 SI SI200631617T patent/SI1948374T1/sl unknown
- 2006-08-07 JP JP2008540539A patent/JP5566027B2/ja not_active Expired - Fee Related
- 2006-08-07 WO PCT/EP2006/065098 patent/WO2007057238A1/de active Application Filing
-
2008
- 2008-04-15 ZA ZA200803348A patent/ZA200803348B/xx unknown
- 2008-05-16 KR KR1020087011837A patent/KR101270229B1/ko active IP Right Grant
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4313336A1 (de) | 1993-04-23 | 1994-10-27 | Heinz Bieler | Verfahren zur Herstellung von Grauguß-Zylinderköpfen und Abkühlelement zur Durchführung des Verfahrens |
DE19838561A1 (de) | 1998-08-25 | 2000-03-02 | Wolfram Ind Mbh Ges | Gießform für das Gießen von Formteilen aus Nicht-Eisenmetallen |
DE10059045C1 (de) | 2000-11-28 | 2002-02-28 | Hasco Hasenclever Gmbh & Co Kg | Spritzgieß- oder Presswerkzeug zur Verarbeitung von Kunststoff- oder anderen plastischen Massen |
Also Published As
Publication number | Publication date |
---|---|
BRPI0618566A2 (pt) | 2011-09-06 |
JP5566027B2 (ja) | 2014-08-06 |
DE102005054616B3 (de) | 2006-11-09 |
ZA200803348B (en) | 2009-10-28 |
RU2412779C2 (ru) | 2011-02-27 |
AU2006314739A1 (en) | 2007-05-24 |
JP2009515708A (ja) | 2009-04-16 |
BRPI0618566B1 (pt) | 2014-07-29 |
EP1948374B1 (de) | 2013-04-24 |
US20080296471A1 (en) | 2008-12-04 |
SI1948374T1 (sl) | 2013-08-30 |
US7975751B2 (en) | 2011-07-12 |
KR101270229B1 (ko) | 2013-05-31 |
KR20080067673A (ko) | 2008-07-21 |
CA2625622A1 (en) | 2007-05-24 |
PL1948374T3 (pl) | 2013-09-30 |
RU2008123849A (ru) | 2009-12-27 |
CN101365551B (zh) | 2011-07-13 |
UA95089C2 (ru) | 2011-07-11 |
ES2421158T3 (es) | 2013-08-29 |
CN101365551A (zh) | 2009-02-11 |
EP1948374A1 (de) | 2008-07-30 |
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