EP1531021B1 - Procédé de coulée pour la fabrication d'une pièce coulée - Google Patents

Procédé de coulée pour la fabrication d'une pièce coulée Download PDF

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Publication number
EP1531021B1
EP1531021B1 EP04026028A EP04026028A EP1531021B1 EP 1531021 B1 EP1531021 B1 EP 1531021B1 EP 04026028 A EP04026028 A EP 04026028A EP 04026028 A EP04026028 A EP 04026028A EP 1531021 B1 EP1531021 B1 EP 1531021B1
Authority
EP
European Patent Office
Prior art keywords
casting
mold
mould
base material
binder
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Not-in-force
Application number
EP04026028A
Other languages
German (de)
English (en)
Other versions
EP1531021A1 (fr
Inventor
Schreiner Dr.Ing.Jens
Flesch Dr.Ing.Andreas
Ingo Wagner Dr.Ing
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.)
Deutsche Giesserei- und Industrie-Holding AG
Deutsche Giesserei und Industrie Holding AG
Original Assignee
Deutsche Giesserei- und Industrie-Holding AG
Deutsche Giesserei und Industrie Holding AG
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 Deutsche Giesserei- und Industrie-Holding AG, Deutsche Giesserei und Industrie Holding AG filed Critical Deutsche Giesserei- und Industrie-Holding AG
Priority to PL04026028T priority Critical patent/PL1531021T3/pl
Publication of EP1531021A1 publication Critical patent/EP1531021A1/fr
Application granted granted Critical
Publication of EP1531021B1 publication Critical patent/EP1531021B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D29/00—Removing castings from moulds, not restricted to casting processes covered by a single main group; Removing cores; Handling ingots

Definitions

  • the invention relates to a casting method for producing a casting according to the preamble of claim 1.
  • Castings which often have a complicated shape, are usually produced in so-called “lost” forms or in permanent molds.
  • lost forms which are usually made of a mineral refractory, granular base or molding material such.
  • a model of the casting of metal, wood, plaster or plastic is made. The model depicts the outer contour of the plot. The model is basically reusable.
  • the upper and lower parts of the model are positioned in a molding box, namely an upper box and a lower box, and surrounded by the molding base material. After compaction and curing of the mold base material, the model parts are pulled out of the sand mold. Then the top and bottom boxes are placed one above the other. The negative mold is thus completed.
  • Object of the present invention is therefore to provide a casting method available, whereby a simple and inexpensive casting of cast iron materials and steel is possible.
  • the above-mentioned object is achieved according to the invention in a method of the type mentioned by the characterizing features of claim 1.
  • the released heat of solidification of the cast casting is used to burn the binder of the entire mold base material in the mold, so that subsequently loose, free-flowing and no longer connected together by the binder molding material particles.
  • the residence time of the casting produced according to the invention is thus longer than would actually be necessary for the production of the casting.
  • Manufacturing technology the casting can be removed after casting, as soon as it is solidified.
  • a longer residence step or an additional dwell time follows, which is tuned quite consciously to the complete thermal reaction of the binder of the molding base material.
  • the residence time on the one hand and the layer thickness of the molding base material on the other hand depending on the wall thickness of the casting to be cast and / or depending on the solidification behavior of the introduced into the mold melt is selected.
  • the residence time should be adjusted so that the binder burns at this point while canceling the bonds between the molding material particles.
  • the layer thickness of the molding material can be adjusted to a maximum of 150 mm in order to achieve the result according to the invention. It is understood that each individual value between greater than 0 mm and 150 mm, ie 1, 2, ... 148, 149 mm can be set without the need for an explicit mention.
  • the method of the invention can be easily integrated into the casting process that the additional residence time of the casting in the mold is at least a multiple of the duration of a casting cycle of the casting process. In other words, this means that the casting is not removed at the time it is usually taken after casting but rather a casting stroke later. The casting thus quite consciously remains another casting stroke in the mold so that the binder can burn completely.
  • the cycle times are preferably less than 5 minutes, usually less than 2 minutes, each value less than 2 minutes is possible, without the need for an explicit mention.
  • the mold base After casting and removal of the casting from the mold, the mold base is usually processed. Also in the method according to the invention, a treatment of the molding base takes place. According to the invention, however, the treatment in the invention is limited to the separation of the molding material from the thermal combustion residues of the binder, since the individual molding material particles are no longer connected to one another via the binder. A comminution step and / or a thermal treatment for the preparation of the molding base material is not required in the invention.
  • Preferred and generally sufficient is a treatment of the molding base material after casting by a sifting and / or screening, which ultimately leads to a significant reduction of the processing costs and the processing effort and thus to a significant reduction in the manufacturing cost of the casting.
  • the processed molding material can be added after the preparation of a binder for the re-production of molding material.
  • the mold base material is applied to the inner surface structure of the mold preferably pneumatically by air pulses, wherein the mold base material is chemically bonded, during or after application to the inner surface of the mold, preferably by gassing with a catalyst.
  • the method according to the invention is suitable for all common casting methods. It is particularly advantageous for low-pressure casting, as will be discussed in more detail below. But also for gravity, Druckguß- and Kippgie wear the inventive method is.
  • the casting mold is provided with an outer first mold carrier, an outer second mold carrier, a molded body arranged between the mold carriers and an inner layer of mold base material at least partially applied to the shaped body to form the casting cavity.
  • the above-mentioned mold of the type is also a lost mold, there are significant advantages over the prior art. Due to the arranged between the mold carriers shaped body, which already at least substantially predetermines the negative mold or the casting cavity, only a smaller amount of mold base material for the production of the actual negative mold is required. Therefore, in contrast to the prior art, only a smaller amount of mold base material is produced during each casting process. This is especially important for thin-walled castings with a wall thickness between 1 and 10 mm. When casting such thin-walled castings falls namely only a smaller amount of heat, which must be absorbed by the molding material during solidification. The binder of the basic molding material burns only at a depth of a few centimeters.
  • the use of the shaped body according to the invention offers even more advantages. Since the molded body, which provides the negative base ready, already accounts for a large part of the volume between the mold carriers and consequently only small quantities of sand are required for the production of a mold, significantly lower cycle times can be achieved for the production of the mold. Furthermore, it is in the mold according to the invention readily possible to attach cooling segments on the mold carrier or on the molding, so that there is an exact positioning, which, as stated above, just for the production of thin-walled castings is essential. Moreover, it is also readily possible that the shaped body - with appropriate choice of material - at least partially even takes over the function of a cooling segment, namely in areas that are not or only coated with a small layer of molding material.
  • Low clock characters can be realized in particular by the fact that the application of the molding material layer takes place on the molded body or the individual molded body halves supported by air flow. As a result, the thickness of the sand layer can be readily adjusted according to the requirements of a controlled solidification. After applying the Layer, the mold halves are then placed on each other, so that the mold is closed.
  • molded body modular so that it is composed of a plurality of molded body segments.
  • This modular design makes it possible in a simple manner to supplement individual modules and thus to specify the negative basic shape for the casting cavity.
  • the final negative mold is then formed by the molding material, as far as it is applied to the molding.
  • a mold 1 for producing a casting 2 using mold base material 3 is shown in each case.
  • the molding base material is, in a manner known per se, mineral, refractory, granular material, such as sand, with a binder and optionally further additives.
  • molding material is in the mold 1 basically a form of the type "lost form".
  • the casting mold 1 has an outer first mold carrier 4 and an outer second mold carrier 5.
  • the mold carriers 4 and 5 are the upper and lower boundary of the mold 1 in a horizontal arrangement. It is understood that the mold can of course be arranged obliquely or vertically. In a vertical arrangement of the mold 1, the mold carrier 4, 5 are also outside, but are then arranged right and left. The following statements refer to the same On the right-left arrangement of the mold carrier, although only the top-bottom arrangement of the mold carrier is shown and described. The same applies to the rest of the mold body halves 13, 14 described in more detail below. Between the mold carriers 4, 5 is a molded body 6, which is usually made of metal, but at least partially can also be made of ceramic.
  • the molded body 6 lies with its outer sides 7, 8 on the inner surfaces 9, 10 of the mold carrier 4, 5 at.
  • the inner surface 11 of the molding 6 is profiled and corresponds at least substantially to the outer contour of the casting 2.
  • the inner surface 11 of the molding 6 thus forms a negative preform or an outer preform.
  • a layer 12 of the molding base material 3 is applied to form the casting cavity, which is not specifically designated.
  • the layer thickness varies from 0 mm to a maximum of 150 mm and can have any intermediate value, without a list would be required in detail.
  • the entire inner surface of the molded body 6 is coated with molding material 3, it should be noted that, for casting-technical reasons, it is in principle also possible not to coat individual surface areas. This will be discussed in more detail below. Incidentally, it is in the illustrated embodiments so that the layer 12 of mold base material 3 is partly applied directly to the inner surface 10 of the lower mold carrier 5. This is of course possible for certain castings 2 also in the region of the upper mold carrier 4, although this is not shown here.
  • the shaped body 6 has a first shaped body half 13 and a second shaped body half 14.
  • the upper mold half 13 is attached to the upper mold carrier 4, while the lower mold half 14 is attached to the lower mold carrier 5.
  • the shaped body halves 13, 14 In the closed state of the mold 1, the shaped body halves 13, 14 at least in their outer edge region 15 to each other, so that the mold 1 is closed in this area.
  • the shaped body 6 has a plurality of, in particular, modularly constructed mold carrier segments 16 having.
  • the modular construction makes it possible, if necessary, to supplement or remove individual molded body segments 16 in order to achieve a variation in the thickness of the layer 12 in order to meet the requirements of controlled solidification.
  • Modular in the present case in any case also means that the shaped body segments 16 are constructed like a box, so the lengths, widths and / or heights of the individual shaped body segments 16 are tuned to each other in their dimensions, which means that a certain basic size n is provided and all dimensions an integer multiple are of the basic measure n.
  • the individual molded body elements 16 are each firmly connected to the respective mold carrier 4, 5.
  • mold body elements 16 are fastened to each other, in particular screwed.
  • corresponding guide elements such as pins and grooves may be provided to exact positioning of the individual molded body segments 16 and the molded body halves 13, 14 at to ensure the mold carriers 4, 5. Due to the modular structure of the molded body 6, it is readily possible to provide appropriate matching guide or positioning on the relevant components.
  • the shaped body segments 16 are designed as solid blocks.
  • the massive design leads to a comparatively high weight of both the upper box 17, which is composed of the upper mold carrier 4, the upper mold half 13 and the applied layer 3, as well as the lower box 18, the lower mold carrier 5, the lower mold half 14 and has the layer 12 applied thereto.
  • a comparatively high weight of the upper box is of advantage.
  • the mold 1 is used in low-pressure casting. The filling of the mold 1 is carried out from below, namely via a usually designated as a gate opening 19 in the lower mold carrier 5. Due to the massive design of the upper mold body half 13 and the resulting high weight, a "floating" of the top box 17 during casting prevented become. Additional means to hold down of the upper box 17 or a clamping of the mold 1 can be saved.
  • the shaped body segments 16 on the respective mold carrier 4, 5 facing side for weight savings can also be provided with cavities, recesses and the like. As a result, can then achieve a weight savings, if this - depending on the casting process or application - desired and required.
  • fixing means 20 for preventing inadvertent detachment of the molding base material 3 from the molded body 6 are provided on the molded body 6 on the inner surface 11, ie on the side facing the molding base material 3.
  • the fixing aids 20 are, for example, protrusions in the manner of iron used to prevent detachment of the molding sand by vibrations occurring during foundry operation. Instead of ironing it is basically also possible to provide fixing aids in the manner of a surface profiling of the inner surface 11 of the shaped body 6 in order to obtain a better connection of the basic molding material 3 with the shaped body 6.
  • the molded body 6 itself or the individual molded body segments 16 are preferably made of a high temperature resistant material, such as in particular graphite, tungsten carbide or steel. Such a choice of material is usually required because the shaped body 6 is subject to high thermal stress during casting. In contrast, the mold carrier 4, 5 can be made of cheaper materials, since the thermal load of these components is usually considerably lower.
  • a high temperature resistant material such as in particular graphite, tungsten carbide or steel.
  • a cooling segment 21 is fastened both to the upper mold carrier 4 and to the lower mold carrier 5. Due to the direct attachment of the cooling segments 21 to the mold carriers 4, 5 results in an exact positioning of these segments, which is in view of a controlled solidification, especially in thin-walled castings of considerable importance.
  • the cooling segments 21 are characterized by the fact that at least in regions no layer 12 of mold base material 3 is applied to them and therefore via the cooling segments 21 very quickly heat energy is dissipated.
  • the cooling segments 21 are shaped body segments 16 to which no or only partially heat-insulating molding base material 3 is applied.
  • the molding material 3 with different layer thickness is applied to the molding 6 or the inner surface 11.
  • the layer thickness is greater, so that there is a heat-insulating effect.
  • the layer thickness is very low or it has been completely dispensed mold base 3 in these areas, as in the embodiments according to Figures 11 and 12 in the region of the cooling segments 21 is the case.
  • the thickness of the layer 12 can be adjusted according to the requirements of a controlled solidification, taking into account the wall thickness of the casting 1 to be cast, and thus optimized.
  • the mold base material 3 itself pneumatic and in particular by air pulses, ie at high speed and at high pressure, applied to the inner surface 11 of the shaped body 6.
  • the molding material 3 is quasi shot up onto the molding 6.
  • small opening width for discharging air during air flow assisted application of the molding material 3 are provided in the molding.
  • the mold base material 3 is fully automatically applied in the desired layer thickness, which is usually in the single-digit centimeter range, wherein, due to the binder contained in the mold base material 3, a solidification very quickly results. Due to this type of production of the negative mold can be very low cycle times for the production of the mold 1 achieve, especially since only a very small amount of molding material 3 must be applied to the molding 6.
  • the mold carriers 4, 5 are each plate-shaped as so-called base plates. Ultimately take over the base plates only the support function for the shaped body 6, which may be arbitrary in size, but should not survive on the base plates. Thus, the invention offers the possibility of using standardized base plates to which larger or smaller moldings 6 are attached depending on the casting to be produced. Due to the plate-shaped design of the mold carrier 4, 5, these form only the upper and lower end of the mold 1. The side of the mold 1 by the molded body 6 and the superimposed mold body halves 13, 14 is limited.
  • an opening 19 for filling the casting mold 1 is located in the lower mold carrier 5.
  • the arrangement of the gates is carried out taking into account the casting process chosen in each case, wherein the casting mold 1 can be used in principle next to the low-pressure casting for gravity and die casting as well as for Kippgie hybrid.
  • the insert may consist of mold base material or of commercially available insulating materials. It is not shown that the insert 22 can in principle also project outwards.
  • cooling is provided in the region of the opening 19.
  • the cooling has at least one cooling passage 23, which leads past the gate, and preferably substantially surrounds the latter, for guiding a cooling medium.
  • the cooling channel 23 is located in the lower mold carrier 5, so that this and in particular the region of the opening 19 is cooled.
  • the cooling is activated towards the end of the casting process.
  • the resulting cooling effect is used to build a steered solidification or to set a rapid solidification in the region of the opening 19.
  • the rapid solidification in the region of the opening 19 is necessary in order to prevent leakage of the still liquid metal from the opening 19 when using low cycle times.
  • any suitable gaseous or liquid materials may be used as cooling media.
  • the arrangement of the cooling in the region of the opening 19 also has independent inventive significance, that is to say independent of the realization of the shaped body 6 and the applied layer 12 of molding base material 3.
  • FIGS. 7 and 8 show that means for coupling to the associated casting device are provided on one of the mold carriers, in this case on the lower mold carrier 5.
  • the coupling means are recesses 24 in which corresponding hooks or projections of the casting device engage when the casting mold 1 is positioned on the casting apparatus. It is understood that it is also possible in principle to provide corresponding recesses in addition or only to the upper mold carrier 4.
  • FIGS. 9 and 10 show that guide means 25, 26 are provided both on the upper mold carrier 4 and on the lower mold carrier 5 in order to be able to move and position the mold carriers 4, 5 in a simple manner.
  • the guide means 25 is an elongated, laterally projecting from the lower mold carrier 5 guide projection, while it is the guide means 26 is a plurality of laterally projecting guide pieces.
  • the inventive method is now such that after casting a casting 2 this remains so long in the mold 1 until the binder of the molding material 3 is completely burned and remain only in addition to the molding material or the molding material particles combustion residues of the binder, the However, no firm connection between the individual molding material particles cause.
  • the temperature during or after the casting process should be at least 350 ° C, preferably about 400 ° C at any point of the inner contour of the mold on which mold base is located.
  • the mold base material 3 from the casting mold 1 is fed to a treatment stage where the molding material is separated from the combustion residues of the binder, which are essentially dust particles, preferably by sighting and / or screening , A thermal treatment and / or comminution is no longer necessary. Subsequently, the recycled molding material for re-production of molding material 3 binders are added again.
  • the production of a new mold 1 is then carried out such that first on the respective mold carrier 4, 5, the mold body segments 16 are placed and accurately positioned by means of appropriate positioning or positive locking means. Subsequently, the shaped body segments 16 with the respective mold carrier 4, 5 are firmly connected. Then the mold base material 3 is applied pneumatically by air pulses in the layer thickness required as a function of the wall thickness of the casting to be produced. By adding a corresponding catalyst, a chemical reaction of the binder is then obtained, so that the molding base material is cured after application to the molding. The catalyst is fed by gassing.
  • the required layer thickness for achieving a controlled solidification is incumbent on the expert, taking into account his specialist knowledge on the basis of the aforementioned parameters.
  • the inventive method is particularly suitable for the production of body parts made of steel of a motor vehicle support frame structure, wherein the body component is designed as a thin-walled cast steel part.
  • stainless steel as a casting material, special strength values can be achieved.
  • different types of Stainless steel usable Preferably, a stainless steel having a strength of at least 400 MPa and an elongation at break of about 25% is used.
  • a stainless steel can be used which, in addition to iron, furthermore contains 0.1% to 0.3%, in particular approximately 0.2% carbon, 3% to 7%, in particular approximately 5% manganese, 0.2% to 0.6%.

Claims (5)

  1. Procédé de moulage pour la fabrication d'une pièce moulée (2), en particulier d'un élément moulé en acier à parois minces, en utilisant un moule (1) comprenant une mince couche constituée d'une substance de base pour le moulage (3) présentant une substance pour le moulage et un liant pour la formation de l'espace creux de moulage, au moins dans certaines parties sur la structure superficielle interne du moule (1), la substance pour le moulage étant consolidée par le liant avant le processus de moulage et le liant étant soumis, lors du moulage, via la suppression des liaisons entre les particules de substances de moulage, à une mise en réaction par voie thermique, caractérisé en ce que la pièce moulée (2) est soumise à une solidification au cours d'un premier temps de séjour dans le moule (1) et en ce que la pièce moulée (2), après la solidification, reste au cours d'un deuxième temps de séjour supplémentaire dans le moule (1), en ce que le deuxième temps de séjour supplémentaire représente un cycle de moulage ultérieur du processus de moulage, et en ce que la durée du deuxième temps de séjour supplémentaire est réglée de telle sorte que, via la prolongation du temps de séjour de la pièce moulée (2) dans le moule (1), on garantit la mise en réaction thermique de la totalité du liant.
  2. Procédé de moulage selon la revendication 1, caractérisé en ce que le temps de séjour d'une part et l'épaisseur de la substance de base de moulage (3) d'autre part sont sélectionnés en fonction de l'épaisseur de paroi de la pièce à mouler (2) et/ou en fonction du comportement de solidification de la masse fondue incorporée dans le moule (1).
  3. Procédé de moulage selon la revendication 1 ou 2, caractérisé en ce que la substance de base pour le moulage (3) est traitée après le moulage et en ce que le traitement est limité à la séparation entre la substance pour le moulage et les résidus de la combustion thermique du liant, sans nécessiter une étape de concassage et/ou un traitement thermique.
  4. Procédé de moulage selon l'une quelconque des revendications précédentes, caractérisé en ce que le traitement de la substance de base pour le moulage (3) après le moulage a lieu via un criblage et/ou un tamisage.
  5. Procédé de moulage selon l'une quelconque des revendications précédentes, caractérisé en ce que la substance de base pour le moulage (3) est appliquée sur la structure superficielle interne du corps de moule (6) par voie pneumatique, via des impulsions d'air et en ce que, de préférence, la substance de base pour le moulage (3) pendant et/ou après l'application sur le corps de moule (6), est détachée par voie chimique, de préférence par purge avec un catalyseur.
EP04026028A 2003-11-05 2004-11-03 Procédé de coulée pour la fabrication d'une pièce coulée Not-in-force EP1531021B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL04026028T PL1531021T3 (pl) 2003-11-05 2004-11-03 Sposób odlewania do wytwarzania odlewów

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10352180A DE10352180B4 (de) 2003-11-05 2003-11-05 Gießverfahren zur Herstellung eines Gußteils
DE10352180 2003-11-05

Publications (2)

Publication Number Publication Date
EP1531021A1 EP1531021A1 (fr) 2005-05-18
EP1531021B1 true EP1531021B1 (fr) 2007-01-17

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP04026028A Not-in-force EP1531021B1 (fr) 2003-11-05 2004-11-03 Procédé de coulée pour la fabrication d'une pièce coulée

Country Status (5)

Country Link
EP (1) EP1531021B1 (fr)
DE (3) DE10352180B4 (fr)
ES (1) ES2279279T3 (fr)
PL (1) PL1531021T3 (fr)
PT (1) PT1531021E (fr)

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* Cited by examiner, † Cited by third party
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GB1327579A (en) * 1971-11-18 1973-08-22 Hoeganaes Ab Casting of metals
JPS564343A (en) * 1979-06-22 1981-01-17 Hitachi Ltd Method of manufacturing mold
DE3323697C1 (de) * 1983-07-01 1985-02-28 Gerhard 5905 Freudenberg Müller-Späth Verfahren zum Herstellen eines Giessstueckes in einer Giessform
US4651799A (en) * 1986-01-30 1987-03-24 Hitchiner Manufacturing Co., Inc. Vented casting molds and process of making the same
JPH0647149B2 (ja) * 1986-03-20 1994-06-22 トヨタ自動車株式会社 鋳型およびその鋳型を用いた減圧鋳造方法
DE3614397A1 (de) * 1986-04-28 1987-10-29 Wolfgang Caspers Verfahren zum vermindern von emissionen, insbesondere von kohlenwasserstoff-verbindungen, beim giessen von metallen
DE3702064A1 (de) * 1987-01-24 1988-08-04 Gao Jianmin Schraegwalzwerk fuer grosse und extra grosse nahtlose rohre
DE4020431A1 (de) * 1990-06-27 1992-01-02 Kloeckner Humboldt Deutz Ag Giessform
ES2107438T5 (es) * 1991-05-24 2004-04-01 Consolidated Engineering Company, Inc. Metodo y aparato para tratar termicamente piezas coladas metalicas.
JP2849213B2 (ja) * 1992-08-13 1999-01-20 コンソリデイティッド エンジニアリング カンパニー オブ ジョージア，インコーポレイテッド 金属キャスティングの熱処理および炉内砂回収
DE4427586C1 (de) * 1994-06-15 1995-07-20 Johann Muehlbauer Vorrichtung zum Aufbereiten von Gießereialtsand
DE19937798A1 (de) * 1999-08-10 2001-03-01 Ks Aluminium Technologie Ag Verfahren zum Herstellen von Leichtmetallgussteilen
DE10014591C1 (de) * 2000-03-27 2001-08-02 Actech Gmbh Adv Casting Tech Verfahren zum steigenden Gießen in Sandformen mit gerichteter Erstarrung von Gußteilen
DE10221074B4 (de) * 2002-05-10 2004-08-05 Dihag Deutsche Giesserei- Und Industrie-Holding Ag Gießform zur Herstellung eines Gußteils unter Verwendung von Formgrundstoff und Verwendung einer solchen Gießform

Also Published As

Publication number Publication date
DE502004002666D1 (de) 2007-03-08
PT1531021E (pt) 2007-03-30
PL1531021T3 (pl) 2007-06-29
DE10352180B4 (de) 2006-03-02
DE10352180A1 (de) 2005-06-16
DE202004017235U1 (de) 2005-02-17
EP1531021A1 (fr) 2005-05-18
ES2279279T3 (es) 2007-08-16

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