EP1674226A2 - Dispositif de moulage avec un moule et procédé pour la fabrication de blocs en béton - Google Patents

Dispositif de moulage avec un moule et procédé pour la fabrication de blocs en béton Download PDF

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Publication number
EP1674226A2
EP1674226A2 EP05025734A EP05025734A EP1674226A2 EP 1674226 A2 EP1674226 A2 EP 1674226A2 EP 05025734 A EP05025734 A EP 05025734A EP 05025734 A EP05025734 A EP 05025734A EP 1674226 A2 EP1674226 A2 EP 1674226A2
Authority
EP
European Patent Office
Prior art keywords
mold
forming machine
pressure piece
plane
upper mold
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
EP05025734A
Other languages
German (de)
English (en)
Other versions
EP1674226B1 (fr
EP1674226A3 (fr
Inventor
Gottfried Keller
Andreas Wörz
Steffan Mothes
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.)
Rampf Formen GmbH
Original Assignee
Rampf Formen 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 Rampf Formen GmbH filed Critical Rampf Formen GmbH
Publication of EP1674226A2 publication Critical patent/EP1674226A2/fr
Publication of EP1674226A3 publication Critical patent/EP1674226A3/fr
Application granted granted Critical
Publication of EP1674226B1 publication Critical patent/EP1674226B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B28B3/021—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
    • 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
    • B28B3/028—Centering the press head, e.g. using guiding pins or chamfered mould edges
    • 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
    • B30B15/026—Mounting of dies, platens or press rams

Definitions

  • the invention relates to a block forming machine according to the preamble of claim 1 and a method for the production of molded blocks according to claim 9.
  • a stone forming machine for the production of concrete blocks, with a arranged in the stone forming machine form wherein the mold comprises a mold top and a mold bottom, the mold top has plungers and is attached to the ballast of the machine.
  • the mold is subject to increased wear, which can significantly shorten the life of the mold with insufficient alignment of the mold parts to each other or with a change in the orientation of the moldings to each other during operation. Since in such a case, the deviation ultimately has to be absorbed, for example, by vibration metals or comparable components, via which the mold is mounted on the machine frame, and the vibration behavior is changed and the energy requirement is increased. This increases production costs and maintaining consistent quality is also difficult.
  • the invention has for its object to develop a stone forming machine or a mold which is insensitive to an inaccurate alignment of the upper mold and lower mold or to a changing during production alignment of mold base and upper mold and has no such increased misalignments wear.
  • the inventive stone forming machine with the shape arranged therein has a pressure piece which is movable parallel to a horizontal plane within a lying in this plane floating field relative to the lower mold part by external forces, the position of which can be fixed in the floating field for any duration or is releasable.
  • a relative movement between the pressure piece and the lower mold part is possible even after fixing the upper mold part and the lower mold part in the stone molding machine at any time or in any position of the mold.
  • the pressure piece can dive in a misalignment between the upper mold part and the lower mold part without inclination in the associated Formwabe of the mold base, wherein the pressure piece is exactly centered when dipping on the mold base.
  • the core of the invention is thus a stone molding machine or mold, in which a fine centering of the pressure piece on the Mold lower part can take place during any working cycle and not just once before the work cycle.
  • the centered position can thus be stored for the following working cycle or any time span and can possibly be repeated at each further working cycle.
  • a horizontally oriented sliding plane is provided, which is arranged in the upper mold part and / or between the upper mold part and the ballast and / or in the ballast and the upper mold or the upper mold and the ballast or the ballast in a rigidly fixed to the machine frame fixed body and a floating relative to the machine frame in the horizontal sliding plane floating body divided, the pressure piece is associated with the float.
  • the sliding plane in the Formoberteil no changes to the stone forming machine are required, thus all stone forming machines can be equipped without modification with appropriate shapes.
  • the arrangement of the sliding plane between the upper mold and the load of the machine allows to distribute the necessary technology for the realization of the invention to the mold and the stone forming machine.
  • the pressure plate upper part to form the pressure plate lower part or the pressure piece to the mounting plate relatively displaceable.
  • Such positioned slip planes can be technically easy to implement between the components mentioned, since these components are already constructed in several parts even in conventional devices.
  • the invention provides for a lockability of the floating body to the fixed body, wherein by the floating body in the locked position different positions can be taken to the fixed body. As a result, the storage capacity of any position of the float is possible.
  • the invention provides to arrange a sliding aid between the float and the fixed body, through which the friction between the two components is reduced in the floating position.
  • a brush is provided in particular. This has the advantage that it can be compressed in the fixed position without damage.
  • the sliding aid is arranged. This makes it possible to achieve a permanent smooth movement of the relative movement between the fixed body and the float.
  • the invention provides a direct interaction of the inlet slope of the mold cavity with the pressure piece and thus with the float. As a result, components existing for the mechanical centering can be used.
  • the method according to the invention provides for lowering the upper part of the mold to the lower mold part, wherein the pressure piece is freely movable in a horizontal plane during the first immersion in the mold honeycomb and is mechanically centered on the mold honeycomb during immersion, and the pressure piece is subsequently lifted on the upper mold the mold top is to be locked in its orientation in the horizontal plane relative to the frame of the stone forming machine or mold base prior to exiting the mold honeycomb and finally every time the pressure piece is immersed in the mold honeycomb in which the pressure piece is centered from the previous process step, provided to release the pressure piece or release after or before or during immersion in the horizontal plane.
  • FIG. 1 shows a schematic view of a mold 1 and a loading 2 of a block forming machine 3 in a perspective view.
  • the mold 1 comprises a mold bottom 4 and a mold top 5.
  • the mold bottom 4 is indicated by a mold frame 6, in which twelve concrete blocks 7 lie.
  • the upper mold part 5 comprises a pressure plate 8, which is divided into a pressure plate upper part 8a and a pressure plate lower part 8b.
  • stamp 9 are arranged, which are composed in each case essentially of a punch tube 10 and a pressure piece 11.
  • the pressure plate upper part 8a has undercut grooves 12, in which mushroom pins 13 are inserted, which are arranged on the ballast 2 of the stone forming machine 3, not shown, and serve to fasten the upper mold part 5.
  • two vibrators 14 are arranged, through which vibrations in the mold 1 can be introduced.
  • a hydraulic cylinder 15 is shown, which is mounted between the ballast 2 and a machine frame, not shown, the stone forming machine 3 and a movability of the load 2 in the direction of arrows z or z 'allows.
  • the printing plate upper part 8a and the printing plate lower part 8b meet in a horizontal sliding plane 16 and an xy plane, respectively.
  • a mechanism not shown here in this horizontal sliding plane 16 a relative movement of the pressure plate lower part 8b and the associated punch 9 relative to the fixed to the load 2 pressure plate upper part 8a possible.
  • the pressure plate lower part 8b is not locked on the printing plate upper part 8a.
  • the horizontal sliding plane 16 thus separates the upper mold part 5 into a fixed body 17, which essentially comprises the pressure plate upper part 8a, and a floating body 18, which essentially consists of the pressure plate lower part 8b and the twelve stamps 9.
  • Figures 2a to 2c show a top mold 5 in different views, in which by a mechanism 19 a floating position S and a fixed position F can be realized (see Figure 2a).
  • a floating position S is a pressure plate lower part 8b and 9 stamp existing float 18 with respect to one of a Pressure plate upper part 8a existing fixed body 17 in a sliding plane 16 movable.
  • the left half of the drawing of Figure 2a shows the upper mold part 5 in the clamped fixed position F.
  • the right half of Figure 2a shows the upper mold 5 in the floating position S, in which a sliding of the float 18 in the direction of arrow x- or y-direction is possible.
  • the mechanism 19 consists essentially of bellows cylinders 20 which are mounted on the printing plate upper part 8a and raise and lower a Hubtraverse 21.
  • the pressure plate lower part 8b is guided by stud bolts 22, which are sheathed by spacer sleeves 23, in guide bushings 24 of the printing plate upper part 8a and fastened to the lifting beam 21. Furthermore, the pressure plate lower part 8b stops 25, which run in the fixed position F against the printing plate upper part 8a.
  • the acted upon with compressed air bellows cylinder 20 cause a relative movement of Hubtraverse 21 to the pressure plate upper part 8a and pull the pressure plate lower part 8b on the stud bolts 22 in an arrow direction z against the pressure plate upper part 8a.
  • the displacement can take place within a floating field 35, which here indicates the maximum displaceability of a pressure piece 11 belonging to the punch 9 and is circular.
  • the floating field 35 is indicated in the figure 2a with respect to the pressure piece 11 and in the figure 2b with respect to the spacer sleeve 23.
  • the stamp 9 associated pressure piece 11 is attached to a mounting plate 11 a and interchangeable.
  • circumferential sealing bars 27 made of plastic are arranged between the fixed body 17 and the floating body 18, which seal a cavity 28 formed between the pressure plate upper part 8a and the pressure plate lower part 8b with respect to an environment 29.
  • the float by means of the bellows cylinder not to pull upwards, but to push down, the float is held in the lower position via lag screws and relativ.zum fixed body is fixed.
  • it is also provided to realize the float alone by a pressure piece, which is held movable and fixable on a mounting plate.
  • FIGS. 3a to 3m The individual phases of a first and a second production cycle are shown schematically in FIGS. 3a to 3m.
  • the individual phases can be roughly described using the following terms, with the transitions being partially fluid: filling, lowering, immersing and centering, compacting, extending, raising, demolding.
  • the schematic representation of a stone forming machine 3 with A mold 1 is limited to a production base 30, a mold honeycomb 31 of the mold 1, a punch 9 with stamping tube 10 and pressure piece 11, a pressure plate 8 consisting of pressure plate upper part 8a and pressure plate lower part 8b and concrete mixture 32 or a concrete block 7 (see Figure 3e).
  • the pressure plate 8 is separated by a horizontal sliding plane 16, wherein the pressure plate upper part 8a forms a fixed body 17 and a floating body 18 is formed from the pressure plate lower part 8b and the punch 9.
  • a mechanism or other device, which allows the floating and fixing of the floating body 18 in the horizontal sliding plane 16 relative to the fixed body 17 is not shown here.
  • FIG. 3 a shows how an upper mold part 5 consisting of the pressure plate 8 and the punch 9 is moved in an arrow direction z 'in the direction of the shaped honeycomb 31, the punch 9 or the pressure piece 11 making an offset V to one through the shaped honeycomb 31 have mold cavity 33 formed.
  • the offset V is considered only in the xz plane. Of course, there may also be another offset in the yz plane.
  • a circumferential inlet bevel 34 on the shaped honeycomb 31 centers the pressure piece 11 and the components 10 and 8 b connected thereto on the mold cavity 33. This centering is achieved by a relative movement of the floating body 18 in the direction of the arrow x with respect to the fixed body 17 allows.
  • FIG. 3 c symbolizes a further compression of the concrete mixture 32 by pressure and / or vibrating energy.
  • the upper mold part 5 is exactly as in the figures 3a and 3b in a floating position S.
  • FIG. 3e schematically shows how the upper mold part 5 is lifted and the molded block 7 produced from the concrete mixture 32 is switched off.
  • FIG. 3f shows the stone forming machine 3 or the mold 1 in a position in which the shaped honeycomb 31 can be refilled.
  • the shaped honeycomb 31 is again filled with concrete mixture 32 by a filling carriage, not shown, wherein the upper mold part 5 stands in the fixed position F above the shaped honeycomb 31.
  • FIGS. 3h to 3j show how the upper mold part 5, which has stored the position of the pressure piece 11 aligned with the mold cavity 33, is lowered in the direction of the arrow z '.
  • the fixed position F is released as soon as the pressure piece 11 has passed the inlet slope 34 (see FIG. 3i).
  • the fixed position F is replaced by the floating position S from this time.
  • the floating position S then the further compression by pressure and / or Studttelenergie (see Figure 3i and 3j).
  • a locking of the upper mold part 5 takes place again in order to store the position of the floating body 18 or of the pressure piece 11 aligned with the shaped honeycomb 11 for the next production cycle (see also FIG.
  • the floating body 17 is now fixed in a position P 'which corresponds to or deviates from the position P' depending on influencing factors.
  • a typical influencing factor is caused by the filling car light Displacement of the lower part of the mold by which the position has to be corrected.
  • FIGS. 31 and 3m the manufacturing steps known from FIGS. 3e and 3f are shown again.
  • FIGS. 3a to 3m in principle show two production cycles, with FIGS. 3a to 3f showing a production cycle which as a rule is traversed only once as a production cycle after a mold change.
  • the manufacturing cycle illustrated in FIGS. 3d to 3m exemplifies the second to nth production cycle, i. until the change of shape.
  • fixation or release of the floating body is phase independent and can be done at any time of a production cycle, the duration of the fixation or release is arbitrary.
  • FIG. 3n shows a bottom view of a pressure piece 11 which has an offset V which is composed of an offset V x in the x direction and an offset vy in the y direction.
  • Dashed lines indicate a floating field 35 which lies in a horizontal sliding plane 16 and by which the maximum movability of the pressure element 11 in the x or ⁇ direction is indicated.
  • the shape of the Floating field 35 depending on the mechanics or other device that allows sliding between the fixed body and float. In the case of the embodiment variant shown in FIGS. 2a to 2c, the floating field would be limited by a circle.
  • FIGS. 4 a to 4 c show a second embodiment variant in which a sliding plane 16 is arranged in a top mold part 5.
  • the sliding plane 16 is, however, formed between a pressure piece 11 and a screw-on plate 11a.
  • the upper mold 5 is shown in two successive positions, wherein the pressure pad 11 has already aligned in the second position when driving down the upper mold 5 in a mold honeycomb 31 on a mold cavity 33. In this position, therefore, the pressure piece -11 has shifted in the sliding plane 16 relative to the mounting plate 11a.
  • FIG. 4b the right-hand representation of FIG. 4a is shown again unchanged in a left-hand illustration.
  • the pressure plate 11 is still in a floating position S, in which it is movable relative to the mounting plate 11a or against the other components of the upper mold part 5 in a horizontal plane.
  • the right-hand representation of FIG. 4b shows the position of the upper mold 5 after compacting a concrete mixture 32 located in the mold cavity 33.
  • the position of the pressure plate 11 is fixed to the remaining components of the mold upper part 5 this fixed position F of the pressure plate 11, the upper mold 5 is now raised in a known manner and it a demoulding of a concrete block 7 produced from the concrete mix 32 takes place (see left and right illustration of FIG.
  • FIG. 4d shows two bottom views of the pressure plate 11 corresponding to the illustrations in FIG. 4a.
  • the mounting plate 11a is indicated by dashed lines.
  • the pressure plate 11 shifts when immersed in the mold cavity with respect to the Anschraubplatte 11 a by an offset V.
  • FIG 5a is analogous to the figures 3a, 3b and 4a, in turn, a section of a stone forming machine 3 is shown.
  • a top mold 5 here is also a load 2, by means of which the upper mold part 5 is vertically movable.
  • Overload 2 is also referred to as a machine quick change device.
  • a slip plane 16 is located between the upper mold 5 and the load 2 to allow this horizontal movement. As in the previous embodiments, the possibility of blocking the slip plane 16 is also provided here.
  • FIG. 6a analogously to FIGS. 3a, 3b, 4a and 5a, again shows a section of a block forming machine 3.
  • a loading 2 has a sliding plane 16.
  • the sliding plane 16 makes it possible to shift a lower load part 2b with a top part 5 fixed thereto relative to a top load part 2a.
  • the upper load part 2a is also used as a bear plate and the lower load part 2b also as a machine quick change device designated.
  • the possibility of blocking the slip plane 16 is also provided here.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Press-Shaping Or Shaping Using Conveyers (AREA)
  • Revetment (AREA)
  • Moulds, Cores, Or Mandrels (AREA)
EP05025734.4A 2004-12-23 2005-11-25 Dispositif de moulage avec un moule et procédé pour la fabrication de blocs en béton Active EP1674226B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004063478 2004-12-23
DE102005008607 2005-02-23

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EP1674226A2 true EP1674226A2 (fr) 2006-06-28
EP1674226A3 EP1674226A3 (fr) 2007-11-07
EP1674226B1 EP1674226B1 (fr) 2014-11-12

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DE (1) DE102005056196A1 (fr)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009124528A1 (fr) 2008-04-08 2009-10-15 Rampf Formen Gmbh Installation pour la fabrication de briques moulées
WO2011127928A1 (fr) 2010-04-16 2011-10-20 Kobra Formen Gmbh Dispositif et procédé de fabrication d'éléments moulés en béton et moule destiné à cet effet
WO2011127926A1 (fr) 2010-04-16 2011-10-20 Kobra Formen Gmbh Moule pour la fabrication de corps moulés en béton
WO2013075828A1 (fr) * 2011-11-24 2013-05-30 Rampf Formen Gmbh Partie supérieure de moule à fixer à un dispositif de serrage d'une machine à mouler des blocs de béton, moule pour une machine à mouler des blocs en béton et machine à mouler des blocs de béton
DE102014113756A1 (de) 2014-09-23 2016-03-24 Kobra Formen Gmbh Vorrichtung zur Herstellung von Betonformteilen
DE102017102323A1 (de) 2017-02-07 2018-08-09 Kobra Formen Gmbh Vorrichtung zur Herstellung von Betonformteilen
WO2019048688A1 (fr) 2017-09-11 2019-03-14 Kobra Formen Gmbh Dispositif de fabrication de moules de béton

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113681693A (zh) * 2021-08-31 2021-11-23 山东阳光众泰机械工程有限公司 用于蒸养后加气混凝土坯体的掰分机构

Citations (4)

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Publication number Priority date Publication date Assignee Title
DE7008920U (de) 1970-03-11 1974-08-08 Krupp Gmbh Presse zur herstellung von kunststeinen
EP0320488A2 (fr) 1987-12-09 1989-06-14 LAEIS + BUCHER GmbH Dispositif de serrage pour outils de presse
WO1991008091A1 (fr) 1989-12-01 1991-06-13 Kvm Industrimaskiner A/S Procede de montage d'un systeme de moule dans une machine de moulage de pierres en blocs, machine de moulage et systeme de moule adaptes a cet effet
DE19735295A1 (de) 1997-08-14 1999-02-18 Kobra Formen & Anlagenbau Gmbh Verfahren zur Herstellung von Formkörpern

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DE2544711C3 (de) * 1975-10-07 1983-06-01 Georg 7203 Fridingen Fellner Schnellspannwerkzeug für Schmiedepressen
DE8815262U1 (de) * 1988-12-08 1989-01-26 Omag Ostfriesische Maschinenbau Ag, 2970 Emden Betonformmaschine
JPH09202625A (ja) * 1996-01-24 1997-08-05 Asahi Glass Co Ltd 金型位置合わせ装置および方法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7008920U (de) 1970-03-11 1974-08-08 Krupp Gmbh Presse zur herstellung von kunststeinen
EP0320488A2 (fr) 1987-12-09 1989-06-14 LAEIS + BUCHER GmbH Dispositif de serrage pour outils de presse
WO1991008091A1 (fr) 1989-12-01 1991-06-13 Kvm Industrimaskiner A/S Procede de montage d'un systeme de moule dans une machine de moulage de pierres en blocs, machine de moulage et systeme de moule adaptes a cet effet
DE19735295A1 (de) 1997-08-14 1999-02-18 Kobra Formen & Anlagenbau Gmbh Verfahren zur Herstellung von Formkörpern

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009124528A1 (fr) 2008-04-08 2009-10-15 Rampf Formen Gmbh Installation pour la fabrication de briques moulées
WO2011127928A1 (fr) 2010-04-16 2011-10-20 Kobra Formen Gmbh Dispositif et procédé de fabrication d'éléments moulés en béton et moule destiné à cet effet
WO2011127927A1 (fr) 2010-04-16 2011-10-20 Kobra Formen Gmbh Dispositif de fabrication de blocs de béton et procédé de montage d'un moule dans un tel dispositif
WO2011127926A1 (fr) 2010-04-16 2011-10-20 Kobra Formen Gmbh Moule pour la fabrication de corps moulés en béton
WO2011127925A1 (fr) 2010-04-16 2011-10-20 Kobra Formen Gmbh Dispositif et procédé pour la fabrication de corps moulés en béton et moule à cet effet
WO2013075828A1 (fr) * 2011-11-24 2013-05-30 Rampf Formen Gmbh Partie supérieure de moule à fixer à un dispositif de serrage d'une machine à mouler des blocs de béton, moule pour une machine à mouler des blocs en béton et machine à mouler des blocs de béton
DE102012013070B4 (de) * 2011-11-24 2021-04-01 Rampf Formen Gmbh Formoberteil zur Befestigung an einer Spanneinrichtung einer Betonsteinformmaschine, Form für eine Betonsteinformmaschine und Betonsteinformmaschine
DE102014113756A1 (de) 2014-09-23 2016-03-24 Kobra Formen Gmbh Vorrichtung zur Herstellung von Betonformteilen
EP3000571A1 (fr) 2014-09-23 2016-03-30 KOBRA Formen GmbH Dispositif de fabrication d'elements de formage en beton
DE102017102323A1 (de) 2017-02-07 2018-08-09 Kobra Formen Gmbh Vorrichtung zur Herstellung von Betonformteilen
WO2019048688A1 (fr) 2017-09-11 2019-03-14 Kobra Formen Gmbh Dispositif de fabrication de moules de béton
DE102017120942A1 (de) 2017-09-11 2019-03-14 Kobra Formen Gmbh Vorrichtung zur Herstellung von Betonformteilen

Also Published As

Publication number Publication date
EP1674226B1 (fr) 2014-11-12
EP1674226A3 (fr) 2007-11-07
DE102005056196A1 (de) 2006-07-13

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