EP1504867B1 - Machine pour la fabrication de briques crues utilisées dans l'industrie manufacturière des briques - Google Patents

Machine pour la fabrication de briques crues utilisées dans l'industrie manufacturière des briques Download PDF

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Publication number
EP1504867B1
EP1504867B1 EP04077244A EP04077244A EP1504867B1 EP 1504867 B1 EP1504867 B1 EP 1504867B1 EP 04077244 A EP04077244 A EP 04077244A EP 04077244 A EP04077244 A EP 04077244A EP 1504867 B1 EP1504867 B1 EP 1504867B1
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EP
European Patent Office
Prior art keywords
mould
containers
mould containers
ejectors
conveyor
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
EP04077244A
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German (de)
English (en)
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EP1504867A1 (fr
Inventor
Wilhelmus Jacobus Maria Kosman
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.)
Beheermaatschappij De Boer Nijmegen BV
Original Assignee
Beheermaatschappij De Boer Nijmegen BV
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Publication date
Priority claimed from NL1024056A external-priority patent/NL1024056C2/nl
Application filed by Beheermaatschappij De Boer Nijmegen BV filed Critical Beheermaatschappij De Boer Nijmegen BV
Publication of EP1504867A1 publication Critical patent/EP1504867A1/fr
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Publication of EP1504867B1 publication Critical patent/EP1504867B1/fr
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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
    • B28B5/00—Producing shaped articles from the material in moulds or on moulding surfaces, carried or formed by, in or on conveyors irrespective of the manner of shaping
    • B28B5/02—Producing shaped articles from the material in moulds or on moulding surfaces, carried or formed by, in or on conveyors irrespective of the manner of shaping on conveyors of the endless-belt or chain type
    • B28B5/021—Producing shaped articles from the material in moulds or on moulding surfaces, carried or formed by, in or on conveyors irrespective of the manner of shaping on conveyors of the endless-belt or chain type the shaped articles being of definite length
    • B28B5/022—Producing shaped articles from the material in moulds or on moulding surfaces, carried or formed by, in or on conveyors irrespective of the manner of shaping on conveyors of the endless-belt or chain type the shaped articles being of definite length the moulds or the moulding surfaces being individual independant units and being discontinuously fed
    • 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
    • B28B13/04—Discharging the shaped articles
    • B28B13/06—Removing the shaped articles from moulds
    • B28B13/067—Removing the shaped articles from moulds by applying blows or vibrations followed by, or during, the removal of a mould part

Definitions

  • the present invention relates to a device for manufacturing green bricks from clay for the brick manufacturing industry, comprising a circulating conveyor carrying mould containers for the purpose of transporting the mould containers, clay arranging means for arranging clay in mould containers, and means for covering the open side of the mould containers with drying plates.
  • Such a device is known from for instance the European patent application EP-A-0 917 938 of applicant.
  • the mould containers are combined to mould container parts, wherein each mould container part comprises two parts for mutual releasable coupling, wherein the first stationary part comprises the walls of the mould containers and the second movable part comprises the movable bottoms of the mould containers.
  • the known device is manufactured wholly from steel and is suitable for manufacturing large numbers of green bricks, wherein each green brick is ejected from the relevant mould container by the movable bottom.
  • the known device is per se suitable for manufacture of green bricks of different sizes, for instance by replacing the stationary part, and in some cases also the movable part, of the mould container part with another stationary mould container part or movable part, the change-over nevertheless requires rather a lot of work.
  • the construction of the known device is moreover quite complicated and costly.
  • the known device is hereby less suitable for manufacture of relatively small series of green bricks of different sizes.
  • a device for manufacturing green bricks from clay for the brick manufacturing industry comprising:
  • the holders are embodied to guide the mould containers therein so as to cause the holders to fall at the release stage and wherein the holders comprise at least one stop for abrupt braking of the falling movement of the holders for the purpose of thereby ejecting the green bricks present in the mould containers onto the associated drying plate.
  • the mould containers fall downward under the influence of gravity until the mould containers are arrested by the stop of the holder.
  • the stop ensures that the downward movement of the mould container is slowed considerably or even stopped abruptly. Owing to the inertia of the green bricks in the mould containers, they are released with great certainty from the mould containers.
  • the holders comprise ejectors movable relative to the conveyor, to which ejectors the mould containers can be coupled, wherein the ejectors are adapted to displace the mould containers coupled thereto during the release stage and to eject the green bricks present in the mould containers onto the associated drying plate.
  • the mould containers are mounted directly on the ejectors.
  • the ejecting movement of the ejector provides for a knock-out force to be exerted on the clay in the mould cavities of the mould container such as to ensure that the green brick is released and comes to lie on the drying plate.
  • the mould containers are manufactured from plastic, such as preferably polyethylene.
  • An example of a particularly suitable plastic is a plastic known under the trade name "Hakorit”.
  • the ejectors are adapted to thrust the mould containers coupled thereto outward and inward during the release stage. Thrusting outward of the mould container preferably takes place when the open side (covered by the cover plate) of the mould container is oriented sideways or downward to enable release of the green bricks, partly under the influence of gravity.
  • the device comprises an ejecting and vibrating mechanism engaging on the mould containers and/or conveyor for the purpose of causing lateral vibration of the mould containers during the release stage.
  • the mould containers are shaken back and forth in such an embodiment with the purpose of enhancing release of the green brick, for instance in the unlikely event that (a part of) the green brick threatens to adhere to the walls or the bottom of the mould container.
  • Vibration preferably takes place substantially sideways and transversely of the transporting direction of the conveyor.
  • the mould containers are arranged releasably on the ejectors.
  • the different mould containers can be thus be exchanged simply and rapidly.
  • the mould container comprises:
  • the coupling element comprises a coupling plate provided with recesses in both longitudinal edges.
  • the recesses are provided to enable simple attachment of the mould container to the coupling plate.
  • the coupling element itself and the ejector are here preferably formed such that they provide a dovetail coupling. It is hereby possible to couple a mould container to or uncouple it from an ejector by a single sliding movement. This further shortens the change-over time of the device.
  • a single coupling element is mounted on the whole row of ejectors.
  • a separate coupling element and a separate mould container is mounted per ejector.
  • the mould containers are herein mounted individually on the ejectors.
  • a mould container also comprises one or more bottoms to be arranged in the mould cavities, wherein spacers are provided between the coupling element and the bottoms.
  • the spacers provide for a correct spacing between the relevant ejector and bottom of the mould container. The depth of the cavity in the mould container, and thereby the size of the green brick, is adjusted subject to the distance between the ejector and the bottom provided by the spacer.
  • the take-off means are adapted to displace the associated drying plates substantially synchronously with the ejecting movement of mould containers.
  • the drying plates must co-displace with the mould containers during the ejecting movement in order to prevent the green bricks falling out prematurely.
  • a device for manufacturing green bricks from clay comprising:
  • a device which is not only suitable for manufacturing large series of green bricks using mould containers provided with movable bottoms, but which is also suitable for manufacturing relatively small series of green bricks using mould containers co-displacing with the ejectors. It is noted that a single conveyor can be simultaneously provided with both the above stated stationary mould containers and the co-displacing mould containers. In practice however, a choice will usually be made for either the co-displacing mould containers or the stationary mould containers.
  • the invention also relates to the use of the above described device.
  • the device 1 for manufacturing the green bricks for the brick manufacturing industry comprises an upright chain conveyor 3 which performs a circulating movement in the direction of arrow P 1 .
  • a chain conveyor is already known per se and is described for instance in EP-A-0 917 938 of applicant, the content of which may be deemed incorporated herein by reference.
  • the chain of the conveyor is formed by a number of connected mould container elements 4, each provided with a number of mould containers 14 (sixteen in the embodiment of figure 1).
  • a reservoir 5 for clay which is kept in continuous movement by an agitator 6 which is driven by an electric motor 7.
  • Clay is added to reservoir 5 by a circulating conveyor 8.
  • the clay is carried out of reservoir 5 into the mould containers and then pressed down by the pressing device 9 which is pivotable around shaft 10.
  • the excess clay is also trimmed using means which are not drawn.
  • the device 11 arranges drying plates 12 onto a mould container part such that, at the so-called release stage after the mould container part has been turned over, green bricks 13 come to lie on the plates after being released from mould containers 14.
  • Figure 2 shows a two-part embodiment of mould container element 4 according to the invention.
  • the first part 4A comprises a number of separate mould containers 14, while the second part 4B is formed by a chain part 15 of chain conveyor 13.
  • Chain part 15 is here provided with an ejector mechanism, as elucidated herein below.
  • Chain part 15 of chain conveyor 3 comprises ears 18 and 19 which serve as links of the conveyor.
  • Different ejectors 24 are arranged in a row on chain part 15.
  • a displaceable ejector plate 23, which is mounted on ejectors 24, is driven by ejectors 24. These latter lie under bias of springs 25 which centre the ejectors such that no separate guiding is necessary in chain part 15.
  • Ejectors 24 are operated by displacing an element 20 during release of the green bricks. Element 20 is in turn displaced by a separate drive device (not shown).
  • the part 15 with ejector plate 23 is fastened to the chain part by means of bolts, and can be quickly removed and replaced by a complete steel mould container with movable ejector bottoms.
  • Ejectors 24 ensure that the displaceable ejector plate 23 is displaced up and downward (arrow P 2 ).
  • the respective ejector bottoms press the clay in one ejecting movement out of the respective mould cavities of the mould containers, wherein the mould containers themselves remain stationary relative to the chain conveyor.
  • separate mould containers 14 or an integrally formed mould container provided with a number of mould cavities 14 are coupled fixedly to a single movable ejector plate 23. Owing to the fixed attachment the mould containers 14 will co-displace with the displacement of the movable ejector plate 23.
  • Mould containers 14 are hereby no longer stationary relative to the chain conveyor but can be moved by displacing the movable ejector plate.
  • FIGS. 3-5 show cross-sections, wherein in each case on the left-hand side of the drawing (left of the dash-dot line) an embodiment is shown which is suitable for manufacture of a relatively large green brick v, while in each case on the right-hand side of the drawing an embodiment is shown which is suitable for manufacture of a relatively small green brick v'.
  • the operation of the two embodiments is otherwise wholly identical.
  • Figure 3 shows a mould container 14 which consists of upright walls 16 and a coupling part 17. Also provided is a spacer 41 or 41' to which is fixed a bottom 42 or 42' respectively. Spacer 41 in the right-hand part of figure 3 is larger than spacer 41' shown in the left-hand part of the figure. This means that in the embodiment shown in the right-hand part of figure 3 the bottom 42 is positioned relative to the upright walls 16 such that a relatively shallow cavity is created for manufacturing bricks, while in the embodiment shown in the left-hand part of the figure the bottom 42' is positioned such that a relatively large cavity is created, with which relatively large bricks can therefore be manufactured.
  • Figure 3 shows the situation wherein the movable ejector plate is situated in its starting position, wherein the open side of mould container 14 is covered by means of one of the above mentioned drying plates 12. Drying plate 12 ensures that the clay is held in place in the cavity of mould container 14.
  • Figure 4 shows the final situation where the movable ejector plate is displaced downward in the direction of arrow P 3 .
  • a dynamic force is exerted on the green bricks and mould container 14.
  • This dynamic force ensures that the green brick is more readily released from mould container 14 than would be the case if the green brick had to be released only under the influence of gravity.
  • the situation in which the green brick v,v' is released is shown in figure 5.
  • the released green brick here rests on the drying plate and can then be discharged, for instance to a drying house where the green brick undergoes a drying process.
  • ejector 24 After having released the green brick, ejector 24 once again returns the movable ejector plate (coupling element) 23 to the starting position shown in figure 3.
  • vibrating mechanism 32 engages on mould container element 4.
  • vibrating mechanism 32 comprises a frame 33 which spans mould container part 4.
  • Frame 33 is provided on either side with stop members 34 which are situated at the position of the side walls of the mould container part. The distance between stop members 34 is greater than the length of the mould container part.
  • Frame 33 is reciprocally movable by means of drive 36.
  • the direction of movement of frame 33 preferably lies substantially transversely of the transporting direction of the conveyor as indicated by arrow P 4 . Due to the repeated movement of frame 33 the stop members 34 strike alternately against the side walls 35 of the mould container part 4 which is spanned at that moment by frame 33.
  • the relevant mould container part is as it were shaken back and forth, whereby the green bricks in mould cavities 14 are also shaken back and forth. This ensures better release of the green bricks.
  • Figure 7 also shows that the vibrating mechanism is situated at a position of the conveyor in which the open side of the mould containers is directed upward.
  • the shaking also ensures in this embodiment that the green bricks come to lie more loosely in the mould cavities, so that later release is improved, in another preferred embodiment the vibrating mechanism 32 is disposed such that the vibration takes place during the release process itself. Vibrating mechanism 32 is herein disposed at the position where the mould containers are directed downward.
  • Vibrating mechanism 32 therefore ensures that before, during and/or after the displacement process of mould containers 14 shown in figures 3-5, mould containers 14 also undergo an additional displacement in a direction perpendicularly thereof (arrow P 4 ), whereby the process of releasing the green bricks out of mould container 14 is enhanced still further.
  • arrow P 4 For a further description of an embodiment of the vibrating mechanism, reference is made to EP 1 000 000 B of the present applicant, the content of which is deemed incorporated herein.
  • mould containers 14 are manufactured from plastic, for instance polyethylene (PE) as available under the trade name "Hakorit” (supplier Kors Kunststoffen B.V.).
  • PE polyethylene
  • Such plastic mould containers have a relatively low weight, so that only relatively low structural requirements need be made of the applied ejector mechanism.
  • Figure 6 shows the situation where mould container 14 is removed from ejector plate 23.
  • the coupling part 17 of mould container 14 is provided with recesses 30 which engage on corresponding protrusions 31 on ejector plate 23.
  • the form of the ejector plate and the connecting piece hereby define a so-called dovetail connection, whereby a mould container can be coupled to or uncoupled from the ejector mechanism by means of only a simple sliding movement. This enables rapid and simple exchange of mould containers 14, for instance for the manufacture of different sizes of brick.
  • Figures 8-10 show another preferred embodiment of the invention in which the mould containers can move downward under the influence of gravity.
  • a mould container 44 which consists of upright walls 46 to which are fixed one or more spacers 41,41'. Fixed to spacers 41,41' is a bottom 42 or 42'. Spacer 41 in the right-hand part of figure 8 is larger than spacer part 41' shown in the left-hand part of the figure.
  • the bottom 42 is positioned relative to the upright walls 16 such that a relatively shallow cavity is created for the manufacture of bricks, while in the embodiment shown in the left-hand part of the figure the bottom 42' is positioned such that a relatively large cavity is created with which relatively large bricks can therefore be manufactured.
  • Mould container 44 is arranged on a steel holder 43 mounted on the conveyor.
  • the upright walls 50 of holder 43 are provided on their outer ends with one or more protruding parts 45.
  • the mutual distance between upright walls 50 is greater than the distance between the upright walls 46 of mould container 44, so that this latter can be guided between walls 50.
  • Walls 50 are moreover of a form such that they are provided on their outer ends with an upper protruding part 51 and a lower protruding part 47.
  • FIG 8 shows the situation where mould container 44 is situated in its starting position, wherein the open side of mould container 44 is covered by means of one of the above mentioned drying plates 12. Drying plate 12 ensures that the clay is held in place in the cavity of mould container 44.
  • Figure 9 shows the final situation where mould container 44 is displaced downward in the direction of arrow P 5 under the influence of gravity. A corresponding displacement is carried out by drying plate 12.
  • the displacement of mould container 44 is limited in that the protruding part 51 of mould container 44 comes to lie on the protrusion 45 of holder 43. Because protrusion 45 functions as stop, the downward movement of mould container 44 is stopped abruptly.
  • a dynamic force is exerted on the clay such that the green brick is released from mould container 14 with a high degree of certainty.
  • the situation in which the green brick v,v' is released is shown in figure 10.
  • the released green brick here rests on drying plate 12 and can then be discharged, for instance to a drying house where the green brick undergoes a drying process.
  • a mechanism (not shown) once again returns mould container 44 to the starting position shown in figure 8.
  • the embodiment in which the mould containers drop downward under the influence of gravity is combined with a vibrating mechanism, as described above with reference to figures 1 and 7.
  • the embodiments of figures 3-6 and 8-10 are furthermore combined.
  • the mould containers are displaced by ejectors until they come up against a stop, so that a very abrupt slowing of the mould containers occurs.

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  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Devices For Post-Treatments, Processing, Supply, Discharge, And Other Processes (AREA)
  • Press-Shaping Or Shaping Using Conveyers (AREA)
  • Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)

Claims (20)

  1. Dispositif (1) pour la fabrication de briques crues à partir d'argile pour l'industrie de fabrication de briques, comprenant :
    - un convoyeur de circulation (3) supportant des récipients de moule (14) dans le but de transporter les récipients de moule ;
    - des moyens d'agencement d'argile (5) pour agencer l'argile dans des récipients de moule ;
    - des moyens (11) pour recouvrir le côté ouvert des récipients de moule avec des plaques de séchage (12);
    caractérisé par
    - des supports (43) qui sont couplés au convoyeur (3) et sur lesquels sont agencés les récipients de moule, dans lequel les récipients de moule sont agencés de façon déplaçable par rapport au convoyeur (3) afin de déplacer les récipients de moule vers le bas lors de l'étape de libération dans lequel le côté ouvert des récipients de moule est orienté sensiblement vers le bas, et dans lequel les supports (43) sont adaptés pour arrêter abruptement le déplacement vers le bas afin d'ainsi libérer les briques crues présentes dans les récipients de moule sur la plaque de séchage associée (12).
  2. Dispositif selon la revendication 1, dans lequel les supports (43) sont réalisés pour guider les récipients de moule dans ceux-ci afin de forcer les supports à tomber lors de l'étape de libération et dans lequel les supports comprennent au moins une butée (34) pour freiner abruptement le mouvement de chute des supports dans le but d'ainsi éjecter les briques crues (13) présentes dans les récipients de moule sur la plaque de séchage associée.
  3. Dispositif selon la revendication 1 ou 2, dans lequel les supports (43) comprennent des éjecteurs (24) mobiles par rapport au convoyeur, auxquels éjecteurs peuvent être couplés les récipients de moule, dans lequel les éjecteurs sont adaptés pour déplacer les récipients de moule (14) couplés à ceux-ci au cours de l'étape de libération et pour éjecter les briques crues présentes dans les récipients de moule sur la plaque de séchage associée (12).
  4. Dispositif selon l'une quelconque des revendications précédentes, dans lequel les récipients de moule (14) sont fabriqués à partir de plastique.
  5. Dispositif selon la revendication 3 ou 4, dans lequel les éjecteurs (24) sont adaptés pour pousser les récipients de moule couplés à ceux-ci vers l'extérieur et vers l'intérieur au cours de l'étape de libération.
  6. Dispositif selon l'une quelconque des revendications précédentes, comprenant un mécanisme de vibration (32) entrant en prise sur les récipients de moule et/ou le convoyeur dans le but d'entraîner la vibration latérale des récipients de moule au cours de l'étape de libération.
  7. Dispositif selon l'une quelconque des revendications précédentes 3 à 6, dans lequel les récipients de moule (14) sont agencés de façon libérable sur les éjecteurs (24).
  8. Dispositif selon l'une quelconque des revendications précédentes, dans lequel un récipient de moule (14) comprend :
    - des parois verticales (16) qui définissent une ou plusieurs cavités de moule ;
    - un élément de couplage (23) qui peut être fixé aux parois, dans lequel l'élément de couplage peut être relié à un ou plusieurs des éjecteurs (24).
  9. Dispositif selon la revendication 8, dans lequel l'élément de couplage comprend une plaque de couplage (23) pourvue d'évidements dans les deux bords longitudinaux.
  10. Dispositif selon l'une quelconque des revendications précédentes 3 à 9, dans lequel un élément de couplage séparé et un récipient de moule séparé sont montés pour chaque éjecteur.
  11. Dispositif selon l'une quelconque des revendications précédentes 3 à 9, dans lequel un élément de couplage unique est monté sur la rangée entière d'éjecteurs.
  12. Dispositif selon l'une quelconque des revendications précédentes, dans lequel l'élément de couplage est fixé au convoyeur avec des boulons.
  13. Dispositif selon l'une quelconque des revendications 6 à 10, dans lequel un éjecteur et l'élément de couplage sont formés afin de fournir un couplage en queue d'aronde entre ceux-ci.
  14. Dispositif selon l'une quelconque des revendications 8 à 13, dans lequel le récipient de moule (44) comprend également un ou plusieurs fonds (42) destinés à être agencés dans les cavités de moule, dans lequel des entretoises (41) sont prévues entre l'élément de couplage et les fonds.
  15. Dispositif selon la revendication 14, dans lequel la distance entre l'élément de couplage et le fond prévu par l'entretoise (41) est réglable selon les dimensions souhaitées des briques crues destinées à être fabriquées avec le récipient de moule.
  16. Dispositif selon l'une quelconque des revendications précédentes, dans lequel les moyens d'extraction sont adaptés pour déplacer la plaque de séchage ou les plaques de séchage (12) associée(s) de façon sensiblement synchrone avec le mouvement d'éjection de récipients de moule.
  17. Dispositif selon l'une quelconque des revendications précédentes, dans lequel le convoyeur (3) est fabriqué à partir d'acier.
  18. Dispositif selon l'une quelconque des revendications précédentes, dans lequel le convoyeur est un convoyeur à chaîne, dans lequel la chaîne est formée par un nombre d'éléments de récipient de moule successifs (4) fixés les uns aux autres de façon pivotante et supportant les récipients de moule (14) et éjecteurs (24).
  19. Dispositif selon l'une quelconque des revendications précédentes, comprenant :
    - un convoyeur de circulation (3) supportant des récipients de moule (14) ;
    - un réservoir d'argile (5) agencé au-dessus du convoyeur;
    - des moyens pour transporter l'argile hors du réservoir dans les récipients de moule ;
    - des moyens (9) pour comprimer et ébarber l'argile dans les récipients de moule,
    - des moyens pour décharger les briques crues (13) libérées à partir des récipients de moule et des moyens pour fournir et placer des plaques de séchage pour les briques crues ;
    - des éjecteurs mobiles (24) agencés sur le convoyeur, dans lequel les éjecteurs mobiles (24) sont adaptés afin d'agencer une plaque d'éjecteur (23) sur la rangée d'éjecteurs (24), à laquelle plaque d'éjecteur est couplé un récipient de moule pourvu d'une ou plusieurs cavités de moule de sorte que le récipient de moule (14) se déplace conjointement aux éjecteurs (24) dans une première application et afin d'agencer des fonds séparés sur les éjecteurs (24) dans une seconde application, dans lequel le récipient de moule est pourvu d'une ou plusieurs cavités de moule de sorte que lesdits fonds séparés soient mobiles dans les cavités de moule.
  20. Utilisation du dispositif selon l'une quelconque des revendications précédentes pour fabriquer des briques crues à partir d'argile pour l'industrie de fabrication de briques.
EP04077244A 2003-08-06 2004-08-05 Machine pour la fabrication de briques crues utilisées dans l'industrie manufacturière des briques Not-in-force EP1504867B1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
NL1024056A NL1024056C2 (nl) 2003-08-06 2003-08-06 Inrichting voor het vervaardigen van vormelingen voor de steenindustrie.
NL1024056 2003-08-06
NL1025525 2004-02-19
NL1025525A NL1025525C2 (nl) 2003-08-06 2004-02-19 Inrichting voor het vervaardigen van vormelingen voor de steenindustrie.

Publications (2)

Publication Number Publication Date
EP1504867A1 EP1504867A1 (fr) 2005-02-09
EP1504867B1 true EP1504867B1 (fr) 2007-10-10

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EP04077244A Not-in-force EP1504867B1 (fr) 2003-08-06 2004-08-05 Machine pour la fabrication de briques crues utilisées dans l'industrie manufacturière des briques

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EP (1) EP1504867B1 (fr)
AT (1) ATE375239T1 (fr)
DE (1) DE602004009373T2 (fr)
ES (1) ES2291812T3 (fr)
NL (1) NL1025525C2 (fr)

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CN101456209B (zh) * 2008-12-31 2011-03-30 谢怀宇 用于连续生产石膏砌块的输送带式砌块模具机
CN111923216B (zh) * 2020-08-13 2021-08-20 庐山市鑫耀建材有限公司 一种混凝土砌块处理装置
CN112171851B (zh) * 2020-09-30 2021-05-04 文成县旅居宏能混凝土有限公司 一种高强度保温混凝土砌块制作方法

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Publication number Priority date Publication date Assignee Title
BE886640A (fr) * 1979-12-17 1981-04-01 San Marco Laterizi Spa Moule pour la production de briques a la main
JPS60122110A (ja) * 1983-12-06 1985-06-29 千代田技研工業株式会社 コンクリ−ト製品成形用即時脱型型枠
NL1007600C2 (nl) * 1997-11-21 1999-05-25 Boer Beheer Nijmegen Bv De Inrichting voor het vervaardigen van vormlingen voor de steenindustrie.
NL1010536C2 (nl) * 1998-11-12 2000-05-15 Boer Beheer Nijmegen Bv De Inrichting voor het vervaardigen van vormlingen voor de steenindustrie.

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ATE375239T1 (de) 2007-10-15
DE602004009373D1 (de) 2007-11-22
ES2291812T3 (es) 2008-03-01
EP1504867A1 (fr) 2005-02-09
DE602004009373T2 (de) 2008-07-24
NL1025525C2 (nl) 2005-02-08

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