EP0813942A1 - Procédé pour la fabrication d'un élément moulé, presse pour l'exécution du procédé et élément moulé fabriqué suivant le procédé - Google Patents

Procédé pour la fabrication d'un élément moulé, presse pour l'exécution du procédé et élément moulé fabriqué suivant le procédé Download PDF

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Publication number
EP0813942A1
EP0813942A1 EP97109696A EP97109696A EP0813942A1 EP 0813942 A1 EP0813942 A1 EP 0813942A1 EP 97109696 A EP97109696 A EP 97109696A EP 97109696 A EP97109696 A EP 97109696A EP 0813942 A1 EP0813942 A1 EP 0813942A1
Authority
EP
European Patent Office
Prior art keywords
molded part
pressing
molded
press
shaped part
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
EP97109696A
Other languages
German (de)
English (en)
Other versions
EP0813942B1 (fr
Inventor
Karl Antonius Paul Eping
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.)
LAEIS BUCHER TECHNOLOGY GMBH
Original Assignee
Laeis Bucher 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 Laeis Bucher GmbH filed Critical Laeis Bucher GmbH
Publication of EP0813942A1 publication Critical patent/EP0813942A1/fr
Application granted granted Critical
Publication of EP0813942B1 publication Critical patent/EP0813942B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B17/00—Details of, or accessories for, apparatus for shaping the material; Auxiliary measures taken in connection with such shaping
    • B28B17/009—Changing the forming elements, e.g. exchanging moulds, dies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B3/00—Producing shaped articles from the material by using presses; Presses specially adapted therefor
    • B28B3/02—Producing shaped articles from the material by using presses; Presses specially adapted therefor wherein a ram exerts pressure on the material in a moulding space; Ram heads of special form
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B1/00—Producing shaped prefabricated articles from the material
    • B28B1/52—Producing shaped prefabricated articles from the material specially adapted for producing articles from mixtures containing fibres, e.g. asbestos cement
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B13/00—Feeding the unshaped material to moulds or apparatus for producing shaped articles; Discharging shaped articles from such moulds or apparatus
    • B28B13/02—Feeding the unshaped material to moulds or apparatus for producing shaped articles
    • B28B13/0215—Feeding the moulding material in measured quantities from a container or silo
    • B28B13/022—Feeding several successive layers, optionally of different materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B17/00—Details of, or accessories for, apparatus for shaping the material; Auxiliary measures taken in connection with such shaping
    • B28B17/0063—Control arrangements
    • B28B17/0072—Product control or inspection
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B3/00—Producing shaped articles from the material by using presses; Presses specially adapted therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B7/00—Moulds; Cores; Mandrels
    • B28B7/0002—Auxiliary parts or elements of the mould
    • B28B7/0008—Venting channels, e.g. to avoid vacuum during demoulding or allowing air to escape during feeding, pressing or moulding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B7/00—Moulds; Cores; Mandrels
    • B28B7/0097—Press moulds; Press-mould and press-ram assemblies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B7/00—Moulds; Cores; Mandrels
    • B28B7/40—Moulds; Cores; Mandrels characterised by means for modifying the properties of the moulding material
    • B28B7/44—Moulds; Cores; Mandrels characterised by means for modifying the properties of the moulding material for treating with gases or degassing, e.g. for de-aerating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • B30B15/02—Dies; Inserts therefor; Mounting thereof; Moulds
    • B30B15/028—Loading or unloading of dies, platens or press rams

Definitions

  • the invention relates to a method for producing a molded part from at least one mixture with at least the constituents sand, additives, cement and water.
  • the invention further relates to a press for carrying out the method mentioned and to a molded part produced by the method mentioned.
  • cement-bound products are manufactured using the concrete casting process or by vibration compaction or by using pressures in the order of 2 kN / cm 2 .
  • the mass to be processed in the pouring or vibrating process generally contains coarse mineral raw materials, such as gravel, clay, grit etc. and one of the application corresponding cement content.
  • the dry mix is mixed with water and possibly other additives in order to obtain a paste-like to liquid concrete mass.
  • the curing and drying time until the parts can be transported is usually more than 10 to 15 hours.
  • the water content is of crucial importance.
  • the water reacts with the cement in the course of the setting and hardening process. This creates so-called hydrate phases, ie chemical and mineralogical reaction products that ensure the strength and hardness of the concrete material.
  • an over-stoichiometric water content is generally used. This high water content and the associated consistency of the mass also ensures good compactibility of the mass when vibrating and vibrating.
  • Another decisive factor for the strength and hardness of the concrete material is the integration of the mineral coarse components in the binding matrix, which results from the cement. On the other hand, the lower the cement content, ie the less binding matrix, the lower the cost of raw materials.
  • Vibration and vibration processes are compaction technologies with enormous machine wear.
  • the molded concrete parts produced with them cannot be removed with settling systems after taking the impression due to their mass consistency. Rather, they first have to be hardened when placed on a metal sheet in order to later be freed of the excess of stoichiometric water in a drying chamber.
  • the invention has for its object to provide a method of the type mentioned, with which molded parts with great strength and great hardness as well as good dimensional accuracy and good surface quality can be produced in an inexpensive manner and without major noise pollution, the method being carried out without delays should be able to.
  • the object is achieved in that the constituents which are mixed to form a free-flowing mixture are pressed to give a molded part with pressures of at least 5 kN / cm 2 .
  • the invention is based on the idea that by lowering the water content to a value that makes the mixture free-flowing, the production processes known from dry pressing technology can be transferred to cement-bound building materials.
  • the invention is based on the astonishingly simple finding that by pressing a free-flowing mixture with pressures of at least 5 kN / cm 2, the contact between cement and water or binding phase and coarse-grained material is very intense. As a result, the setting reactions and the cementing of the system can proceed much more easily and intensively, which in particular reduces the amount of cost-intensive raw material components, such as cement can without sacrificing hardness and strength.
  • the high pressing pressure of at least 5 kN / cm 2 leads to intimate contact of all the offset components.
  • the cement-water connection and distribution in the compacted molding compound are so intense that high strengths can be achieved even with a reduced cement content. This saves considerable costs.
  • the cold compressive strength of molded parts produced by the method according to the invention reaches values that cannot be achieved with conventional technology or low pressures.
  • the green strength of the molded parts is so high immediately after pressing that it can be easily removed from the press and placed on pallets with a robot.
  • the green level strength allows the molded parts to be stacked in up to seven layers, which was not possible with previous methods due to the lack of strength.
  • the density values of the molded parts achieved with the method according to the invention are higher than those which are based on vibrating or Vibration presses have been manufactured.
  • the porosity is less than 1% for gross offsets. These values cannot be achieved with conventional methods and bring frost resistance that is equivalent to that of natural stones. Fine offsets that cannot be represented conventionally can be compacted with the method according to the invention without any problems. This is the first time that sands with cement binding can be produced in this way.
  • the surface quality of molded parts by the process according to the invention is significantly better than in known processes.
  • the molded parts In the case of molded parts produced by conventional processes, the molded parts sometimes warp after compression. However, since the water content is reduced to a minimum in accordance with the invention and because of the better strength values the cement content can also be reduced, no such effects can be observed in the production process according to the invention. Rather, the highly compressed molded parts can be manufactured with the precise control technology of modern presses with the highest dimensional accuracy.
  • the quick-change mold system on high-pressure presses thus enables "just-in-time” production and delivery.
  • Vibrators and vibrators are subject to considerable wear.
  • the downtimes are therefore correspondingly short.
  • the method according to the invention has the considerable advantage that the molds are not subject to such wear.
  • the mixing ratio of water and cement is approximately stoichiometric. This ensures that unnecessary cement is not added to one side, which keeps costs down. On the other hand, it is ensured that the added water reacts completely, which is why no drying is necessary afterwards.
  • the proportion of substances with a particle size of less than 2 mm (diameter) in the starting mixture is more than 40% of the total mass as particularly advantageous and cannot be represented by conventional methods.
  • a deaeration step can be provided according to the invention during pressing.
  • the molding compound before the pre-pressing and / or during the Pressing with negative pressure, for example vacuum is applied.
  • a press mold is preferably filled with an area of reduced thickness in comparison with another area with lower die elevation in the area of reduced thickness. This achieves a uniform compression of the molded part to be produced.
  • two or more mixtures are pressed in layers in succession in the pressing direction.
  • low-quality material or less visually appealing material can be used in the interior of the molded part, for example.
  • surface patterns or color compositions can be easily represented in the outer layer without the inner core also having to be designed accordingly. Reliefs can also be reproduced.
  • At least one layer of the molded part can be pressed into the layer behind it in the pressing direction without the addition of binder.
  • the layering described above can alternatively or additionally be realized in the direction transverse to the pressing direction.
  • a cover layer of the molded part can be applied as a slurry.
  • the invention preferably provides that a deviation of the height of the molded part previously produced by the two molded parts from a predetermined height is determined and the Filling for pressing the molded part to be produced later by the two molded parts is carried out on the basis of the filling for pressing the molded part produced earlier and the deviation.
  • the filling for the pressing of the molded part to be produced later can be carried out like the filling of the previously produced molded part if the deviation lies within a range of + -2% of the predetermined molded part height. This measure simplifies the manufacturing process when a predetermined bandwidth is maintained, which is why correction steps can be saved in such a case. Of course, larger and smaller bandwidths are also conceivable.
  • the invention also relates to a press for carrying out the method explained above.
  • the press according to the invention can have at least two filling slides.
  • molded part costs can be significantly reduced solely on the basis of the recipe design.
  • the press according to the invention can have a quick mold change system in order to enable "just-in-time” production and delivery.
  • the invention further relates to a molded part which is produced by the inventive method described above.
  • the molded part can contain reinforcement, which is preferably fibers, needles and / or chips.
  • the material is wear-resistant on at least one of the surfaces of the molded part. Because, of course, abrasion-resistant materials are more expensive than other materials, costs can be saved in that only a particularly large surface exposed to abrasion-resistant material is subjected to particularly large loads. Of course, the entire material used for the molded part can also be designed to be resistant to abrasion.
  • the material can be elastic on at least one of the surfaces of the molded part.
  • This configuration is particularly suitable for the top of the molded part in the form of a building block.
  • sides facing adjacent building blocks can also be made elastic in order to be able to compensate for any displacements. It goes without saying that the entire material used for the molded part can also be elastic.
  • the molding advantageously contains waste and / or recycling products, which may be residues from incinerators, ashes, dusts, etc.
  • the mixture may also contain silt sands and / or alpha hydrate as an additive.
  • the molded part can be not only a building block, but also a container and / or a pipe.
  • the press with shape changing system shown in FIG. 1 is the shape changing concept Hydrofast.
  • the system includes a press designated by reference number 10 with an upper punch 12, a mold frame 14 and a lower punch 16.
  • This mold change system enables a semi-automatic mold change of the complete mold package. For this purpose, after loosening the upper punch 12, the lower punch 16 and the mold frame 14, the entire mold package is pushed onto a trestle 20 in front of the press 10 via a hydraulic cylinder 18.
  • Fig. 2 shows the partially sectioned plan view of a press, which is sold by the applicant under the name Sigma 650 ZS.
  • the press is designated by the reference number 22. It has three filling slides 24, 26 and 28 which can be displaced relative to the press in directions indicated by double arrows. The filling slides are used to fill different cover or base materials.
  • 3a shows a molded part which has two areas of different thickness, namely a thinner area (zone A) and a thicker area (zone B).
  • FIG. 3b schematically shows a press mold for producing the molded part according to FIG. 3a.
  • the lower stamp for filling the mold is partially, i.e. in zone A up to the dashed line 30 shown in FIG. 3b. Subsequent compression of the mold leads to the same compression with a factor of 2: 1 in both zones A and B.
  • path shutdown The automatic termination of the compression process after the predetermined path of the stamp has been covered.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Press-Shaping Or Shaping Using Conveyers (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)
EP97109696A 1996-06-18 1997-06-13 Procédé pour la fabrication d'un élément moulé, presse pour l'exécution du procédé et élément moulé fabriqué suivant le procédé Expired - Lifetime EP0813942B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19624298 1996-06-18
DE19624298A DE19624298B4 (de) 1996-06-18 1996-06-18 Verfahren zum Herstellen eines Formteils

Publications (2)

Publication Number Publication Date
EP0813942A1 true EP0813942A1 (fr) 1997-12-29
EP0813942B1 EP0813942B1 (fr) 2003-12-10

Family

ID=7797270

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97109696A Expired - Lifetime EP0813942B1 (fr) 1996-06-18 1997-06-13 Procédé pour la fabrication d'un élément moulé, presse pour l'exécution du procédé et élément moulé fabriqué suivant le procédé

Country Status (7)

Country Link
EP (1) EP0813942B1 (fr)
JP (1) JPH10180731A (fr)
KR (1) KR980000701A (fr)
CN (1) CN1084659C (fr)
DE (2) DE19624298B4 (fr)
ES (1) ES2213188T3 (fr)
PT (1) PT813942E (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1085138A3 (fr) * 1999-09-15 2002-10-16 Deutsche Perlite GmbH Panneau de construction et procédé de fabrication
WO2006069636A1 (fr) * 2004-12-24 2006-07-06 Metten, Stein+Design Gmbh & Co. Kg Procede de fabrication de blocs de beton ou de dalles de beton
DE102014010259A1 (de) 2014-07-11 2016-01-14 Metten Stein + Design Gmbh & Co. Kg Verfahren zum Herstellen von Betonelementen

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10152114A1 (de) * 2001-10-23 2003-04-30 Dorst Masch & Anlagen Pressenanordnung, insbesondere zum Pressen von keramischen Presslingen
JP2006075717A (ja) * 2004-09-09 2006-03-23 Nippon Steel Corp 炭酸ガスの利用方法
CN104476657B (zh) * 2014-11-27 2016-08-24 日照光慧机械设备有限公司 全自动压瓦机机械臂
CN112277134B (zh) * 2020-10-14 2022-03-18 安徽省亚欧陶瓷有限责任公司 一种全自动陶瓷热压铸机

Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE525059C (de) * 1931-05-18 Scheidhauer & Giessing Akt Ges Verfahren und Vorrichtung zur Herstellung eines Formlings aus mehreren Stoffschichten
US2067401A (en) * 1932-07-28 1937-01-12 Hydraulics Inc Method and apparatus for the pressing of plastic and dry compositions
FR973794A (fr) * 1947-10-25 1951-02-14 Perfectionnements apportés aux procédés de fabrication de carreaux, dalles ou similaires, en une matière à base de ciment, et aux produits obtenus
DE820801C (de) * 1948-10-19 1951-11-12 Oswald Koenig Kunststein, insbesondere Baustein und Vorrichtung zu seiner Herstellung
FR1008672A (fr) * 1948-05-10 1952-05-20 Procédé de fabrication de briques, toitures, carreaux, etc., avec des décombres et un liant
US2672670A (en) * 1949-02-18 1954-03-23 Eugene T Rhodes Method of making building material
GB1048047A (en) * 1962-10-02 1966-11-09 Northern Brick Company Belfast Improvements in or relating to bricks
FR1511233A (fr) * 1966-02-11 1968-01-26 Ici Ltd Prodédé de fabrication d'objets conformés avec une matière de liaison hydraulique
FR2307627A1 (fr) * 1975-04-16 1976-11-12 Cementa Ab Procede de moulage de produits contenant des liants hydrauliques
US4036570A (en) * 1974-06-03 1977-07-19 Besser Company Cementitious product making system with product height gauging mechanism
AU4193278A (en) * 1978-11-24 1980-05-29 Grace F R Manufacture of cement sheets
EP0493095A1 (fr) * 1990-12-26 1992-07-01 Kabushiki Kaisha Mitsuishi Fukai Tekkosho Presse pour le moulage de briques
FR2688162A1 (fr) * 1992-03-04 1993-09-10 Demler Sa Procede pour fabriquer des elements en beton moule sous pression et appareil pour la mise en óoeuvre de ce procede.

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH528648A (de) * 1971-09-07 1972-09-30 Hans Schneider Unternehmer Plattenförmiges Bauelement und Verfahren zu dessen Herstellung
DE2244698A1 (de) * 1972-09-12 1974-03-28 Dorst Keramikmasch Verfahren und presse zur herstellung keramischer fliesen
DE2264247A1 (de) * 1972-12-30 1974-07-11 Krupp Gmbh Verfahren zur herstellung von formlingen
DE8904320U1 (de) * 1989-04-07 1989-06-08 Henke Maschinenfabrik Gmbh & Co Kg, 4952 Porta Westfalica Maschine zum Herstellen von Betonteilen

Patent Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE525059C (de) * 1931-05-18 Scheidhauer & Giessing Akt Ges Verfahren und Vorrichtung zur Herstellung eines Formlings aus mehreren Stoffschichten
US2067401A (en) * 1932-07-28 1937-01-12 Hydraulics Inc Method and apparatus for the pressing of plastic and dry compositions
FR973794A (fr) * 1947-10-25 1951-02-14 Perfectionnements apportés aux procédés de fabrication de carreaux, dalles ou similaires, en une matière à base de ciment, et aux produits obtenus
FR1008672A (fr) * 1948-05-10 1952-05-20 Procédé de fabrication de briques, toitures, carreaux, etc., avec des décombres et un liant
DE820801C (de) * 1948-10-19 1951-11-12 Oswald Koenig Kunststein, insbesondere Baustein und Vorrichtung zu seiner Herstellung
US2672670A (en) * 1949-02-18 1954-03-23 Eugene T Rhodes Method of making building material
GB1048047A (en) * 1962-10-02 1966-11-09 Northern Brick Company Belfast Improvements in or relating to bricks
FR1511233A (fr) * 1966-02-11 1968-01-26 Ici Ltd Prodédé de fabrication d'objets conformés avec une matière de liaison hydraulique
US4036570A (en) * 1974-06-03 1977-07-19 Besser Company Cementitious product making system with product height gauging mechanism
FR2307627A1 (fr) * 1975-04-16 1976-11-12 Cementa Ab Procede de moulage de produits contenant des liants hydrauliques
AU4193278A (en) * 1978-11-24 1980-05-29 Grace F R Manufacture of cement sheets
EP0493095A1 (fr) * 1990-12-26 1992-07-01 Kabushiki Kaisha Mitsuishi Fukai Tekkosho Presse pour le moulage de briques
FR2688162A1 (fr) * 1992-03-04 1993-09-10 Demler Sa Procede pour fabriquer des elements en beton moule sous pression et appareil pour la mise en óoeuvre de ce procede.

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
"PNEUMATISCHER BEFUELLUNGSAUS GLEICH IN DER STEINFERTIGUNG THE PNEUMATIC FILLING EQUALISER IN BLOCK PRODUCTION", BETONWERK + FERTIGTEIL TECHNIK, vol. 62, no. 8, August 1996 (1996-08-01), pages 156/157, XP000622090 *
FOURNIER D H: "NEW TECHNOLOGIES IN REFRACTORY FORMING AND THEIR EFFECTS ON PRODUCT PERFORMANCE", CERAMIC ENGINEERING AND SCIENCE PROCEEDINGS, vol. 16, no. 1, 1 January 1995 (1995-01-01), pages 153 - 159, XP000506816 *

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1085138A3 (fr) * 1999-09-15 2002-10-16 Deutsche Perlite GmbH Panneau de construction et procédé de fabrication
WO2006069636A1 (fr) * 2004-12-24 2006-07-06 Metten, Stein+Design Gmbh & Co. Kg Procede de fabrication de blocs de beton ou de dalles de beton
DE102014010259A1 (de) 2014-07-11 2016-01-14 Metten Stein + Design Gmbh & Co. Kg Verfahren zum Herstellen von Betonelementen
WO2016005566A1 (fr) 2014-07-11 2016-01-14 Metten Stein+Design Gmbh & Co. Kg Procédé de fabrication d'éléments en béton
DE202015009253U1 (de) 2014-07-11 2017-03-27 Metten Stein + Design Gmbh & Co. Kg Betonelemente
US10815150B2 (en) 2014-07-11 2020-10-27 Metten Stein+Design Gmbh & Co. Kg Method for producing concrete elements

Also Published As

Publication number Publication date
ES2213188T3 (es) 2004-08-16
EP0813942B1 (fr) 2003-12-10
DE59711092D1 (de) 2004-01-22
CN1173420A (zh) 1998-02-18
DE19624298A1 (de) 1998-01-02
CN1084659C (zh) 2002-05-15
PT813942E (pt) 2004-04-30
KR980000701A (ko) 1998-03-30
DE19624298B4 (de) 2008-04-17
JPH10180731A (ja) 1998-07-07

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