EP1800818A2 - Méthode et dispositif pour la fabrication de panneaux avec des éléments intégrés et panneau obtenu par ce procédé - Google Patents

Méthode et dispositif pour la fabrication de panneaux avec des éléments intégrés et panneau obtenu par ce procédé Download PDF

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Publication number
EP1800818A2
EP1800818A2 EP06127091A EP06127091A EP1800818A2 EP 1800818 A2 EP1800818 A2 EP 1800818A2 EP 06127091 A EP06127091 A EP 06127091A EP 06127091 A EP06127091 A EP 06127091A EP 1800818 A2 EP1800818 A2 EP 1800818A2
Authority
EP
European Patent Office
Prior art keywords
elements
hollow hose
mortar
mould
panel
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.)
Withdrawn
Application number
EP06127091A
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German (de)
English (en)
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EP1800818A3 (fr
Inventor
Peter Peters
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.)
INNOVATIE TECHNIEK SLOKKER B.V.
Original Assignee
Aslo-Twenty-Five BV
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Publication date
Application filed by Aslo-Twenty-Five BV filed Critical Aslo-Twenty-Five BV
Publication of EP1800818A2 publication Critical patent/EP1800818A2/fr
Publication of EP1800818A3 publication Critical patent/EP1800818A3/fr
Withdrawn legal-status Critical Current

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    • 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
    • B28B19/00—Machines or methods for applying the material to surfaces to form a permanent layer thereon
    • B28B19/0053—Machines or methods for applying the material to surfaces to form a permanent layer thereon to tiles, bricks or the like
    • B28B19/0061—Means for arranging or fixing the tiles, bricks or the like in the mould
    • 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
    • B28B19/00—Machines or methods for applying the material to surfaces to form a permanent layer thereon
    • B28B19/0053—Machines or methods for applying the material to surfaces to form a permanent layer thereon to tiles, bricks or the like
    • B28B19/0061—Means for arranging or fixing the tiles, bricks or the like in the mould
    • B28B19/0084—Means for arranging or fixing the tiles, bricks or the like in the mould using pressurized elements for fixing the tiles, bricks or the like
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
    • E04C2/04—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of concrete or other stone-like material; of asbestos cement; of cement and other mineral fibres
    • E04C2/041—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of concrete or other stone-like material; of asbestos cement; of cement and other mineral fibres composed of a number of smaller elements, e.g. bricks, also combined with a slab of hardenable material

Definitions

  • the present invention relates to a method for forming a panel which has rows of partially embedded elements, wherein the elements each have a pair of longitudinal sides which are parallel relative to each other and two head ends, wherein the head ends of adjacent elements of a row butt up with one another, and wherein each partially embedded element has a front view side and protrudes from the panel and has a second side opposite to the front view side which is embedded in the panel, wherein the elements are laid into parallel rows with their front view side on the bottom of a mould while a spacer in the form of a hollow flexible hose is in a second state during which it exerts a lower force on the elements than during a first state of the hollow hose controlling the alignment of the elements and wherein the hollow hose is in close contact with the longitudinal sides of the elements, and in said first state the spacer and the second sides of the elements are covered with a mortar, wherein said mortar sets to yield the panel, after which the panel is taken out of the mould.
  • Such a method is known from NL6811503 , wherein a pneumatic tube is applied which is used as a spacer between rows of stones and which, under application of pressure, exerts a double function: Firstly, any stones that were not aligned are aligned. Secondly, thanks to the fluid pressure, the hose seals against the stones as a result of which it is prevented that mortar reaches the upper side of the mould and could smear the front view side of the stones.
  • a disadvantage of the known method is that it is sensitive to changes in the pressure, and calamities such as a falling away of the fluid pressure.
  • the object of the present invention is to provide a method according to the preamble which remedies the problem to a large extent and in an economical way.
  • the method according to the invention is characterized in that as the hollow hose, a hollow hose is used of which at least that part of the wall defining the lumen and facing a row of elements is made of an elastomer, and that the hollow hose is shaped such that in a state of rest and in the absence of elements it has a cross section which is dictated by the elastomer and which is broader than the hollow hose in the first state, wherein for laying the elements the hollow hose is brought into the second state by means of a vacuum pump, the hollow hose is brought from the second state into the first state by means of a change in pressure as a result of which it comes in close contact with the longitudinal sides of the elements, and following the application of the mortar, this is subsequently set to yield the panel.
  • a major advantage of the invention is that the method permits a quick and effective alignment of elements over large distances (lengths of rows), and allows the hollow hose to effectively function as a sealing.
  • the method according to the invention it is possible to provide a panel that is provided with an opening for a window or door. Hereby, also aesthetically unattractive joints, known from panels arranged adjacently according to the state of the art, are avoided.
  • the mortar may be any mass capable of setting, for instance concrete mortar and, if desired, may contain any possible addition such as reinforcing fibers etc.
  • the medium in the hollow hose may be any fluid, such as water or advantageously air.
  • head ends of adjacent elements of a row butt up with one another this can mean butt up directly as well as butt up indirectly, that is to say having a spacer.
  • Such a spacer will generally have the same length as the head end and be placed perpendicular to the hollow hose. In any case, such a spacer has to be of such dimensions that unset mortar does not pass in unacceptable quantities.
  • the spacers are, for instance, fashioned from hardwood or plastic.
  • the pressure in the lumen can be changed, and the pressure for the alignment of any unaligned elements and the pressure in the lumen for the application of the mortar, may be the same or different.
  • reinforcement elements can be included in the mortar, such as wire mesh (for instance of steel) or glass fibre mats. Such reinforcement elements are in themselves known in the art.
  • the measure "shaped such that in a state of rest and in the absence of elements it has a cross section dictated by the elastomer” is meant that if one takes a cross section of the hose, that is to say a piece of hose having a length of for instance 1 cm, the shape of this piece of hose is not substantively determined by gravity. This allows on the one hand a proper sealing against the elements, and on the other hand that the hollow hose can be kept in a certain shape without maintaining a pressure in the lumen of the hollow hose.
  • the number of shapes in a state of rest is a discrete number and is usually 1 but may optionally also be 2, as will be explained in more detail later, when describing an embodiment.
  • a change in pressure can be a change from a higher pressure to a lower pressure or the other way around, but also a change wherein the pressure in the lumen at the first state and the second state is the same but had to undergo a change to achieve the transition. This will be further elucidated in the description of a working example.
  • NL6912313 discloses that the elements are aligned by letting a stretched elastic string go to a state of rest.
  • a disadvantage of the known method is that it is hardly capable of compensating deviations in the thickness of the elements (i.e. in the finished state of the panel, at vertical arrangement, the height of an element).
  • the known method is more suitable for forming panels having tiles as elements than having more irregularly shaped elements such as, for instance, stone strips, such as half bricks (a lying brick cut in half in a longitudinal and vertical plane). Bricks have a variation in thickness of more or less 2 mm (NEN 2489).
  • the hollow hose in the first state.
  • the alignment and sealing force is entirely provided by the elastomer.
  • the proper sealing is also guaranteed in case of a calamity during setting, such as power failure or leakage of the hose, which could otherwise result in a change of pressure in the hollow hose and thereby allow the passage of yet unset mortar.
  • the hollow hose is held in place.
  • Holding it in place relative to the mould can be done using any method, for instance by means of glueing. It goes without saying that in case of more spacers, preferably the majority thereof and preferably all spacers, are held in place relative to the mould.
  • the hollow hose is held in place over the length for which it functions as a spacer, because the hollow hose is connected with the bottom of the mould over the length of a row.
  • the bulge can have any shape, such as a branched shape.
  • a practical embodiment is characterized in that a flexible hollow hose is used which has a wall provided with flexing grooves in the longitudinal direction of the hollow hose.
  • flexing grooves can promote that the hollow hose is brought into a defined second state in a predictable manner. Thereby it can be ensured that there will be no places in the lumen having a pressure that differs from the pressure elsewhere in the lumen. Furthermore, the presence of flexing grooves facilitates the reliable and ready removal from the set panel out of the mould.
  • a flexible hollow hose is used whose lumen, at a side opposite to a row of elements, is provided with a vertically oriented rigid wall.
  • a flexible hose is used, wherein the flexible hollow hose has two lumina which are separated by the vertically oriented rigid wall.
  • the lumina With such a hose, the lumina will be on the same height above the bottom of the mould, and in general the hollow hose will have a (vertically) mirror symmetrical cross section. This contributes to providing a force that is directed sideways and to a well-defined joint depth.
  • a rigid wall can be accomplished by fashioning this wall from another material such as a mixture of elastomer and a component that affords rigidness (such as non-stretchable fibers) and/or by providing a hollow hose having a relatively thick vertically oriented wall.
  • a thixotropic mortar is used as the mortar.
  • an (in motion) thin mortar can be used which properly fills the space between the elements (but above the hollow hose), while any leaking through of the mortar between the head ends of elements and between an element and the hollow hose is avoided.
  • the mortar is applied to the hollow flexible hose by means of spraying or pressure spraying.
  • the mortar is brought into the grooves between the elements with force and/or under pressure which ensures a proper filling of the grooves. It is not a problem if mortar also ends up on the elements.
  • the present method is highly suitable for providing lightweight construction panels, wherein, prior to the setting thereof, a plate of expanded polymer is applied on the mortar, and a second mortar is applied onto the plate of expanded polymer.
  • the first mortar and the second mortar can have identical or different compositions.
  • the second mortar is a finishing mortar.
  • any polymer rigid foam is meant, irrespective of how this is formed.
  • the expanded polymer is for instance PUR-foam, and preferably polystyrene.
  • An important embodiment of the method is that, where the outer wall panel has a frame opening, wherein a profile is used which defines a frame opening and which is provided with an anchoring member at the circumferential side facing away from the frame opening, the profile is sealingly placed on the mould, the anchoring member of the profile is embedded in mortar.
  • the anchoring member is a strip that runs along the outer circumference of the profile.
  • Such a strip has a width of for instance at least 5 mm, preferably at least 1 cm and more preferably at least 2 cm.
  • a frame after placing the profile on the mould, including after manufacture of the wall panel, could be mounted in the profile, it is strongly preferred that at least one profile forms part of the frame, and the frame is integrated with the wall panel by embedding and setting.
  • the profile may be a profile that is connected to the frame in a detachable way, it may be a profile that is irremovably connected to the frame or the frame forms the profile. If there is more than one profile, this applies to the profiles independent of each other.
  • the frame is provided with a window, and the totality of frame, window and at least one profile is placed on the mould before the anchoring member is embedded in mortar, and more preferably the profile is placed sealingly against the elements on the mould and against the spacers before the anchoring member is embedded in the mortar or, alternatively, the profile is placed sealingly against a dummy body which is placed on the spacers, which dummy body is placed sealingly against the elements before the anchoring member is embedded in the mortar.
  • the present invention also relates to a panel produced using the method according to the invention.
  • the invention relates to an outer wall panel having a width of at least 4 metres and a height of at least 2 metres, and which has rows of elements that are partially embedded in set mortar and can be produced by means of the method according to the invention.
  • outer wall panels according to the invention have a width of at least 4 metres, preferably at least 5 metres and more preferably at least 6 metres.
  • the outer wall panels are sandwich panels which have a core of expanded polymer, such as polystyrene.
  • such an outer wall panel comprises at least one opening selected from a door opening and a window opening.
  • the invention relates to an apparatus suitable for using the methods according to the invention, said device comprising a mould whose bottom is provided with at least one hollow hose, and which apparatus moreover comprises a vacuum pump for lowering the pressure in the lumen of the hollow hose.
  • the bottom of the mould is provided with parallel grooves, and the hollow hose comprises a bulging foot, the bulge being received in and retained by a groove in the bottom of the mould.
  • Figure 1 shows a top plan view of a bare mould 1 according to the invention.
  • the mould 1 is provided with hollow hoses 2 which are connected to a vacuum pump 3.
  • figure 2 which shows an alternative mould according to the invention, lengthwise sawn through half bricks 4 are also shown, which have been placed with their front view side (the side) on the bottom of the mould 1.
  • the half bricks 4 are placed within upright walls 5 in a row against hollow hoses 2, which are fitted on the bottom of the mould 1.
  • the hollow hoses 2 are in a state (designated in the description as second state) in which they exert little to no force transversely to the longitudinal direction of the hollow hoses 2, in a plane parallel to the bottom of the mould 1.
  • the hollow hoses 2 in the illustrated embodiment are connected to a vacuum pump 3.
  • the hollow hoses 2 By lowering the pressure in the lumen 6 (fig. 3, 4) of the hollow hoses 2, the hollow hoses 2 become narrower, and thus the ability of the hollow hoses 2 to exert a force on the half bricks 4 (elements) is reduced.
  • a hollow hose 2 can have more than 1 lumen 6.
  • a hollow hose 2 is either operatively sealed near one end (not shown) or connected to the vacuum pump 3 with both ends (fig. 1 and 2).
  • a hollow hose 2 can be brought into a state (designated in the description as first state) in which it pushes against the row of bricks 4.
  • first state a state in which it pushes against the row of bricks 4.
  • two objectives are achieved: 1) Any bricks 4 not aligned will as yet be aligned; and 2) The hollow hose 2, whose height is lower than the height with which the bricks 4 extend above the bottom (fig. 3), prevents that mortar 7 can reach the bottom of the mould 1, as will be explained hereinafter.
  • the mortar 7 can be applied twice, wherein firstly a thin but highly thixotropic mortar 7" is used for properly filling the space directly above the hollow hose 2 without leaving air bubbles, after which - preferably before the mortar 7" is set - an additional mortar 7' is applied, which does not have to be thixotropic.
  • a highly thixotropic mortar 7 it may also suffice to use 1 single mortar 7 if the mortar 7 is thrown on the bricks 4 and hollow hose 2, for instance by means of a spraying technique, preferably in the form of drops.
  • a spraying technique is preferred since this allows a relatively thick mortar 7 to be introduced effectively in the joints between the bricks 4.
  • a collecting pipe 8 can be provided (fig. 2), which preferably has a larger internal cross section than the hollow hose 2.
  • Fig. 3 shows a vertical cross section of a detail of fig. 2. Shown are the bottom of the mould 1, two bricks 4, 4', the hollow hose 2 and mortar 7.
  • the hollow hose 2 has a bulging foot 9, which is received in a groove 10 in the bottom of the mould 1.
  • the hollow hose 2 may be fashioned from a flexible plastic such as polyethylene, it is strongly preferred to use a hollow hose 2 fashioned from elastomer. It can in fact be shaped such that it is resilient and can be in a state of rest having a defined shape. In the present application with "a state of rest", a state is meant in which the hollow hose 2 has a self-assumed shape and strives to maintain this shape.
  • a hose 2 can only be in one state of rest, but a larger number of such states is possible (in that case this number is usually 2, wherein the hollow hose 2 can pass, with some force - more specifically, by a change in pressure in the lumen - from one state into the other state (flip-flop)).
  • the pressure in the lumen 6 in the first and second state can be, but is not necessarily, the same. It is highly preferred that the first state is between the (broadest) state of rest and the second state, or coincides with the (broadest) state of rest.
  • the hollow hose 2 exerts a force (by the inherent elastomeric character of the hollow hose 2) without the need to actively maintain a pressure in the lumen 6 of the hollow hose 2.
  • This saves energy and helps to avoid a loss of products, for instance as a result of a falling away of pressure in the lumen 6 when the hollow hose springs a leak or when the vacuum source fails.
  • the width of the lumen (in a plane parallel to that of the bottom of the mould 1, and perpendicular to the longitudinal direction of the hollow hose) co-determines to what extent the hollow hose 2 can allow for deviations of the dimensions of the elements 4.
  • the width will normally be at least equal to the maximum variation to be accommodated for by the hollow hose 2.
  • FIG. 4a a cross section of a hollow hose 2 in the state of rest is shown.
  • the hollow hose 2 has a bulging foot 9, which can be slid into a groove 10 in the bottom of a mould 1. Once it is in place, there is no more need to remove the hollow hose 2.
  • the hollow hose 2 has two lumina 6, which are separated by a rigid vertical partition wall 11. The rigid nature of this vertical partition wall 11 avoids, during a change of the pressure in the lumina 6, a vertical movement of parts of the hose that are in contact with the half bricks 4, and thus also that the half bricks 4 are lifted. In this way, also a proper sealing against the upright walls 5 of the mould 1 can be ensured.
  • Both lumina 6 of the hollow hose 2 are provided with three longitudinal grooves, two at the inside 12, 12' and one at the outside 13. These ensure that, when lowering the pressure in the lumina 6 using the vacuum pump 3, the walls of the hollow hose 2, intended for having contact with the bricks 4 and which define the lumina 6, bend at that place. Thus, the hollow hose 2 passes into in the second state which is shown in fig. 4b.
  • Fig. 5a shows in a vertical cross section a detail of a mould 1 provided with spacers in the form of hollow hoses 2.
  • the mould 1 illustrated in fig. 5a is provided with bricks 4.
  • On parts of the hollow hoses designated by 2' a dummy body A is placed.
  • the mould 1 could have been formed like the dummy body 1, but this would have negatively affected the flexibility of the mould 1, which would then be suitable for less types of wall panels. Indeed, now, each time a dummy body A of choice can be used.
  • the dummy body A has the shape of a plate.
  • the bricks 4 are placed butting up against the plate A (as can be seen partially in fig. 2).
  • the upper side of the dummy body A is at the same height as the non-front view side (in fig. 5b the upper side) of the bricks 4.
  • a frame 14 is laid sealingly on the elements 4.
  • the term "sealingly" will be defined hereinafter.
  • the frame 14 has a frame construction 15, double glazing 16 as well as a first intrados profile 17 and a second intrados profile 18. More specifically, the first intrados profile 17 is laid sealingly on the bricks 4.
  • the dummy body A can also be shaped such that the first intrados profile protrudes beyond the non-front view side (thus lower than illustrated here). To prevent that the frame 14 is displaced, the dummy body A, as shown in fig.
  • the term "sealingly" means that openings whose size would allow mortar or second mortar to flow from a location outside the profile to a location inside the profile, are not allowable.
  • the maximum allowable size of the openings depends on the viscosity and thixotropic properties of the mortar or second mortar used, and will generally be less than 2 mm, such as less than 1,5 mm and for instance ca. 1 mm.
  • a casing is meant which comprises one or more intrados.
  • the intrados profiles 17, 18 are integrated in the outer wall panel.
  • the intrados 17, 18 are for instance made of wood, or plastic such as PVC. It goes without saying that the intrados profile 17 also has to be placed sealingly in a direction parallel to the hollow hose parts 2' on the bricks 4. In other embodiments this may also be done differently, such as against hollow hoses 2'.
  • the profiles 17, 18 each have an anchoring strip 19 respectively 20, along the outer circumference thereof. Here it is 1 cm wide and made of plastic.
  • mortar 7 is applied to the hollow hose 2 between the bricks 4, wherein the first anchoring strip 19 is embedded in the mortar 7.
  • plates (preferably interconnected) of polystyrene 22 are placed on the unset mortar 7, after which a second mortar 23 is applied on the polystyrene 22, wherein the second anchoring strip 20 is embedded in the second mortar 23.
  • the yet unset mortar 7, 23 is left to set, to obtain an outer wall panel that is finished to a large extent.
  • an underpressure may be applied. This is, for instance, possible by covering the totality of the mould and panel with a PVC foil, and subjecting the space under the foil to an underpressure.
  • an underpressure can be removed properly with the underpressure technique described above.
  • the air can escape between adjacent polystyrene plates or between holes that have been provided in the polystyrene plates for this purpose. These holes can be made, for instance, by using, optionally hot, needles.
  • Another advantageous method to prevent air from getting trapped under the hard foam in the method according to the invention is using strips of hard foam having a width of 50 cm or less, such as 40 cm or less.
  • strips of hard foam having a width of 50 cm or less, such as 40 cm or less.
  • plates are cut to strips and the strips are placed with a cut face(thus, transverse to the original surface of the plate) on the first mortar.
  • the frame 14 has a fire-resistant strip 21 along the outer circumference thereof of, for instance, rock wool. In case of a fire it will protect the expanded polymer 22.
  • the hose was produced by the company Vizo (Zeewolde, The Netherlands) from neoprene.
  • Vizo Zaeewolde, The Netherlands
  • the (double) lumen of this hose was subjected to an underpressure, it had a width of 11 mm, and in the absence of the underpressure its width was 17 mm.
  • Halve bricks (dimensions 207 x 50 x 40 mm) were placed between the hoses, with the head ends against one another. During placement the hose was subject to an underpressure, which was generated by a vacuum pump (CSL10, Rietschle-Thomas, Weesp, The Netherlands).
  • the half bricks were confined by a rectangular wooden casing with dimensions of 1,5 x 3 m. After placement of the half bricks, the underpressure in the hose was lifted. Hereby the half bricks were aligned, and the hose fitted closely against the half bricks.
  • dummy bodies were screwed onto the plywood plates, which dummy bodies were placed such that the window frame at the inner circumference thereof fell exactly over the dummy bodies. In this way, the window frame was held in position during the subsequent operations. Since the dummy bodies can be removed and/or moved, many types of panels can be produced using this one mould.
  • a thixotropic mortar (type 391, Beamix, Eindhoven, The Netherlands) was prepared according to the instructions of the manufacturer and pressure sprayed into the joints between the bricks. Subsequently, a low-shrinkage casting mortar (type TM5203 (Tillman, Megchelen, The Netherlands) was applied onto the half bricks and the thixotropic mortar (which may still be unset).
  • TM5203 Teillman, Megchelen, The Netherlands
  • reinforcement mats hot galvanized wire mesh Casanet (wire thickness 2,05 mm; maze 50 x 50 mm; Van Rooy en Co, Rotterdam, The Netherlands) was used. This was pushed into the mortar layer having a thickness of 2 cm, which subsequently was levelled.
  • wire mesh instead of wire mesh, however, for instance also woven glass fibre mats can be used, such as those available as Glasgitter wFs1 GW545 (Romar-Voss, Roggel, The Netherlands).
  • polystyrene plates having a thickness of 200 mm were placed on the casting mortar that had not yet set, wherein care was taken not to trap too much air under the polystyrene plates. The plates were properly pressed by walking over them.
  • first vacuum is applied to the hollow hose again, whereby it releases from the set mortar.
  • the panel After 16 hours of setting the panel was de-cased by the taking away the wooden casing, and placing the totality of mould and panel in a vertical position. Subsequently, the panel was separated from the mould. After about 1 week of additional setting the panel had achieved the envisioned strength of construction.
EP06127091A 2005-12-23 2006-12-22 Méthode et dispositif pour la fabrication de panneaux avec des éléments intégrés et panneau obtenu par ce procédé Withdrawn EP1800818A3 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL1030758A NL1030758C2 (nl) 2005-12-23 2005-12-23 Werkwijze voor het vervaardigen van een paneel met deels ingebedde elementen, paneel vervaardigd met behulp van de werkwijze, een gevelpaneel, alsmede een inrichting voor het toepassen van de werkwijze.

Publications (2)

Publication Number Publication Date
EP1800818A2 true EP1800818A2 (fr) 2007-06-27
EP1800818A3 EP1800818A3 (fr) 2008-11-12

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EP06127091A Withdrawn EP1800818A3 (fr) 2005-12-23 2006-12-22 Méthode et dispositif pour la fabrication de panneaux avec des éléments intégrés et panneau obtenu par ce procédé

Country Status (2)

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EP (1) EP1800818A3 (fr)
NL (1) NL1030758C2 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL6811503A (fr) * 1968-08-13 1970-02-17
DE2803389A1 (de) * 1977-01-28 1978-08-03 Gahmberg Vorrichtung zum herstellen von bauelementen
FR2379670A2 (fr) * 1976-07-07 1978-09-01 Hutchinson Mapa Perfectionnements apportes a la fabrication d'elements de sols et de panneaux de parement prefabriques

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL6811503A (fr) * 1968-08-13 1970-02-17
FR2379670A2 (fr) * 1976-07-07 1978-09-01 Hutchinson Mapa Perfectionnements apportes a la fabrication d'elements de sols et de panneaux de parement prefabriques
DE2803389A1 (de) * 1977-01-28 1978-08-03 Gahmberg Vorrichtung zum herstellen von bauelementen

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EP1800818A3 (fr) 2008-11-12
NL1030758C2 (nl) 2007-06-26

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