EP0612894B1 - Paneel für die Bauindustrie - Google Patents

Paneel für die Bauindustrie Download PDF

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Publication number
EP0612894B1
EP0612894B1 EP94400028A EP94400028A EP0612894B1 EP 0612894 B1 EP0612894 B1 EP 0612894B1 EP 94400028 A EP94400028 A EP 94400028A EP 94400028 A EP94400028 A EP 94400028A EP 0612894 B1 EP0612894 B1 EP 0612894B1
Authority
EP
European Patent Office
Prior art keywords
panel
stiffening
fixing
edge
sheets
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.)
Expired - Lifetime
Application number
EP94400028A
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English (en)
French (fr)
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EP0612894A2 (de
EP0612894A3 (de
Inventor
Anélio Balbinot
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Individual
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Individual
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Filing date
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Publication of EP0612894A2 publication Critical patent/EP0612894A2/de
Publication of EP0612894A3 publication Critical patent/EP0612894A3/de
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Publication of EP0612894B1 publication Critical patent/EP0612894B1/de
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Classifications

    • 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
    • E04C2/30—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure
    • E04C2/40—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure composed of a number of smaller components rigidly or movably connected together, e.g. interlocking, hingedly connected of particular shape, e.g. not rectangular of variable shape or size, e.g. flexible or telescopic panels
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E04B2/74—Removable non-load-bearing partitions; Partitions with a free upper edge
    • E04B2/7401—Removable non-load-bearing partitions; Partitions with a free upper edge assembled using panels without a frame or supporting posts, with or without upper or lower edge locating rails
    • E04B2/7403—Removable non-load-bearing partitions; Partitions with a free upper edge assembled using panels without a frame or supporting posts, with or without upper or lower edge locating rails with special measures for sound or thermal insulation including fire protection

Definitions

  • the present invention relates to a panel intended for the building industry, consisting of an assembly of building material plates.
  • the invention finds a particularly application advantageous in the building industry, especially for the production of partition walls or renovation of old premises.
  • plaster tiles have the disadvantage of being heavy and costly in labor masonry, while, moreover, the realization of plasterboard panels requires installation a complex framework rising from the ground to ceiling of the room considered.
  • partitions as well obtained do not offer satisfactory qualities as to mechanical strength and thermal insulation.
  • Document FR-A-1 335 498 thus describes the production of partition panels, according to the preamble of claim 1, from a assembly of plasterboards, agglomerated material or plywood, mounted on extending support rails along a floor and a ceiling and assembled by through vertical stud fittings profiles.
  • the periphery of the plates is hollowed out of grooves for mounting on V-shaped rails and for the introduction of false posts with a binder of connection.
  • Such partition or ceiling panels have the disadvantage of being heavy, weak and complex assembly.
  • FR-A-1.275.442 describes a process for producing a sub-ceiling by assembly of insulating tiles mounted in a network of tensioned support wires.
  • the tiles used in this process is made of light cellular material, i.e. foam or rubbery material. This process requires many delicate operations of installation and does not seem compatible with the realization solid partitions.
  • the technical problem to be solved by the object of the present invention is to provide a panel intended for the building industry, consisting of a assembly of building material plates, panel that would be quick and easy to install while giving strength and lightness to the assembly obtained.
  • the solution to the technical problem posed consists always to constitute a panel by assembly of building material boards mounted on edges joined on supporting elements extending parallel along the entire length of the panel, the plates extending in one piece over the entire height of the panel, with the particularity according to the invention that the plates are extruded polystyrene plates recessed with male and female edges assembled with edges contiguous, without intermediate connection.
  • extruded polystyrene sheets as base material for panel construction is not usual in the building industry. They are indeed systematically and only used as as insulation as a substitute for glass wool, under form of plates nailed, stapled or glued against a partition.
  • the document EP 0 244 312 describes an element insulation and nesting partition consisting of a plaster molding around a core of insulating material, the insulator being in particular extruded polystyrene.
  • the panel according to the invention is much lighter than current panels in plaster tiles for example.
  • said plates of extruded polystyrene are maintained at their junction by fixed stiffening means at their ends in fitted anchor points along said support elements.
  • said sheets of extruded polystyrene being built-in plates with male edges and female, said stiffening means are stiffening rods disposed between said edges males and females.
  • stiffening rods are not involved way in the panel assembly according to the invention.
  • they are not used to join the support elements together, these being attached separately for example to the floor and ceiling of the room considered, in the case of a panel intended to make a vertical partition.
  • the purpose of the stiffening rods is only to ensure the cohesion of the different plates of polystyrene extruded between them.
  • the installation of the panel, object of the invention can be significantly faster, by a factor of three to four, compared to the mounting of the frame generally used for plasterboard, fact that in a particular embodiment, said stiffening rods have a sufficient flexibility to be engaged by bending elastic in said anchor points.
  • the time saved when laying, added to the simplicity of the structure helps offset the cost, which is higher than plaster, extruded polystyrene, which results in ability to deliver panels according to the invention to same price as usual plasterboard, with the additional advantages mentioned above.
  • This second embodiment is more particularly suitable for cases where polystyrene extruded used offers less mechanical resistance.
  • Figure 1a is an exploded perspective view of a first embodiment of a conforming panel to the invention.
  • Figure 1b is an exploded perspective view of a second embodiment of a conforming panel to the invention.
  • Figure 2 is a partial top view in cutting two plates of a building material in assembly course according to the panel shown on the Figure 1a.
  • Figure 3 is a sectional side view of a first support element carrying a first example anchor points.
  • Figure 4 is a sectional side view of a second support element carrying a second example anchor points.
  • Figure 5 is a perspective view of a second means of stiffening the panel in accordance with the invention.
  • Figure 6 is a partial top view in cutting two plates of a building material in assembly course according to the panel shown on the Figure 1b.
  • Figure 7 is a partial top view in cutting two plates of a building material in assembly course according to a variant of the panel shown in Figure 1b.
  • Figure 8 is an exploded perspective view a means of fixing a panel conforming to the invention.
  • Figure 9 is a side view of the means of fixing of figure 8.
  • FIGS 10, 11, 12 and 13 are views in exploded perspective of alternative embodiments of the fixing means shown in Figures 8 and 9.
  • Figure 14 is a perspective view of the means of fixing of figure 10 provided with a joint of dilation.
  • Figures 15a and 15b are respectively front and side views of the expansion joint of the figure 14.
  • FIG. 1a represents, in exploded perspective, a panel intended for the building industry, consisting by an assembly of plates 10a, 10b, 10c of a material of construction which, according to the invention, is compound of extruded polystyrene for the many advantages it has over plaster traditional, as discussed above.
  • the panel of Figure 1a has two elements 20a, 20b of support, namely a support element 20a upper generally intended to be fixed to the ceiling of the room concerned, and a support element 20b lower, intended to be fixed to the floor of said room.
  • the elements 20a, Support 20b can be L-profile angles respectively presenting a return 22a, 22b defining a reference plane for plates 10a, 10b, 10c when mounting the panel.
  • the plates 10a, 10b, 10c of extruded polystyrene are cut so that that they extend in one piece over the entire panel height, ensuring better rigidity to the assembly carried out.
  • the plates 10a, 10b, 10c are mounted with contiguous edges on the elements 20a, 20b of support, and maintained at their junction by means stiffening formed by rods 30 of stiffening engaged at their ends in anchor points 21a, 21b arranged along the said support elements 20a, 20b.
  • Figures 1a and 2 have shown plates 10a, 10b, 10c recessed with male edges 11a, 11b and females 12b, 12c, the male edges having a relief longitudinal intended to cooperate with a groove longitudinal conjugate of the female edges.
  • the rods 30 stiffening are arranged between the edges males 11a for example and females 12b for example, when the plates 10a, 10b are assembled at the edges joined by gluing, in particular, over their entire height.
  • the anchoring points 21a, 21b can be made in various ways, such as anchor point 21a Figure 3 formed by perforation of the angle 20a.
  • the stiffening rods 30 are considerably simplified when they present a sufficient flexibility to be engaged by bending elastic in anchor points 21a, 21b, 21'a, 21'b.
  • the stiffening rods 30 are made of steel and cut to a length substantially equal to the height of the panel. To mount said stems, we can introduce their end first lower in points 21b, 21'b of anchorage of the lower angle 20b, 20'b then one exercises on the rods a bending force until you can introduce the upper end of the rods in points 21a, 21'a for anchoring the upper angle 20a, 20'a. Finally, the bending force is removed to allow the stiffening rods 30 to fall into place naturally, by simple elastic return.
  • FIG. 1b a variant of embodiment of the invention according to which the means of stiffening are linear elements 30 'of stiffening exhibiting, as also indicated Figures 5 and 6, a combined section of the profile of Figures 5 and 6, a combined section of the profile of joined edges 11'a, 12'b and 11'b, 12'c of the plates 10'a, 10'b, 10'c of extruded polystyrene.
  • said contiguous edges show a profile square, male or female, unlike the rounded profile edges 11a, 12b, 11b, 12c of the plates 10a, 10b, 10c of the Figure 1a. Consequently, the section of the elements 30 ' stiffening also has the same square shape.
  • tabs 34 'for fixing the linear elements 30 'of stiffening to the elements 20'a, 20'b of support are provided at each of the ends of said stiffening elements.
  • stiffening are arranged, for example by perforation, a plurality of points 32 ', 33' intended, when assembling the panel the invention, to be penetrated by the contiguous edges 11'a, 12'b and 11'b, 12'c, in the mass of two plates adjacent 10'a, 10'b and 10'b, 10'c between which are placed the stiffening elements 30 '.
  • the linear stiffening elements 30 ' are provided with holes 35 'allowing the screwing of said elements 30' directly into the edge of said first plate.
  • Figure 7 gives another example of a profile, in staircase, for the edges 11 '' a, 12 '' b of the plates 10''a, 10''b.
  • the 30 '' linear stiffening element used is of the same type as that of FIGS. 1b, 5 and 6, with 32 '', 33 '' points on each side, at the difference except that the 30 '' element of figure 7 has a staircase profile identical to that of edges 11''a, 12''b.
  • the elements stiffening linear can be simple flat irons with spikes.
  • these can receive a finishing coating which can either be a coating intended to be painted or upholstered, either a gridded plaster, or any other type of coating.
  • the panel of the invention is intended to constitute partitions or vertical walls between the floor and a ceiling. It is possible however to implement this type of panel for making partitions or walls suspended such as false ceilings.
  • a fixing means is used.
  • said panel to a load-bearing element, as referenced 50 in FIG. 9, which can be a board fixed to a rafter to a roof or to the ceiling of a room in order to create a suspended ceiling.
  • said fixing means 40 comprises a tab 41 of attachment to said support element 50, provided with holes 46 allowing the insertion of nails or screws into the carrier element 50.
  • the means 40 of the carrier element 50 has tapered teeth which in the mode of embodiments of FIGS. 8 and 9, are organized in two pairs 42a, 42b; 43a, 43b. These tapered teeth are intended to penetrate, through the edge 12a, into the mass an end plate 10a of the panel.
  • tapered teeth 42a, 42b; 43a, 43b are carried by a tab intermediate 47 forming an angle of 90 ° with the tab 41 fixing.
  • said tapered teeth could be directly carried by the fixing lug 41 without 90 ° return.
  • connection plate 44 likely to cooperate with the profile, here a profile female, from an edge 12a of the end plate 10a during the penetration of said tapered teeth 42a, 42b; 43a, 43b.
  • connection plate 44 carries, welded for example, a clip 45 for holding said rods stiffening.
  • connection plate 44 also carries teeth tapered 48a, 48b, 49, opposite the tapered teeth 42a, 42b, 43a, 43b.
  • the teeth 48a, 48b are in the extension teeth 42a, 42b, while tooth 49 is located on the median of the teeth 43a, 43b.
  • the 40 'and 40' 'means of fixing Figures 10 to 13 can therefore be also used to cooperate with male edges subject of the invention.
  • the means 40 'and 40' 'for fixing the figures 10, 12 and 11, 13 are quite similar, except that the legs 41 '' for fixing the means 40 '' are more short and will preferably be used when the space available for hanging the panel is scaled down.
  • the legs 41 '' and 41 'of fastening respectively have a or two tongues 49 foldable at 90 °, cut in the fixing lugs themselves and carrying a hole 50 for the passage of a suspension rod 60, like the shows figure 10a associated with the fixing means 40 ' of Figure 10.
  • the suspension rod 60 may be a threaded rod, fixed to the support element 50 and adjustable in height using two nuts 61 and 62 likely to be locked in position against foldable tabs 49.
  • Figures 12 and 13 illustrate a variant of realization in which the legs 41 ', 41' ' have a folded edge 41'a, 41''a for fixing the means 40 ', 40' 'for fixing using the holes 46 ', 46' 'on one side of a carrier 50, parallel to plates 10a, 10b, 10c ... of the panel according to the invention.
  • said folded edges 41'a, 41''a also have a hole 51 passage for said rod 60 of suspension.
  • Figures 14, 15a, 15b show a means 40 'of attachment, identical to that shown in the figure 10, provided with an expansion joint 70 intended to absorb thermal expansions linked to variations in temperature.
  • This expansion joint 70 essentially comprises a flat fixing plate 71, carrying holes 75 for fixing said plate 71 on an element carrier 50.
  • an end piece 72 is cut generally T-shaped, intended to be introduced to inside a cutout 52 of a foldable tongue 49 of the fixing lug 41 ', so that the 40 'fixing means is suspended from the joint 70 of expansion through the end piece 72.
  • the mounting tab 71 has a fold 76 carrying holes 73, 74 for passage of a suspension rod 60.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Electromagnetism (AREA)
  • Physics & Mathematics (AREA)
  • Panels For Use In Building Construction (AREA)
  • Roof Covering Using Slabs Or Stiff Sheets (AREA)
  • Building Environments (AREA)
  • Revetment (AREA)
  • Laminated Bodies (AREA)
  • Working Measures On Existing Buildindgs (AREA)
  • Finishing Walls (AREA)

Claims (16)

  1. Paneel zur Herstellung von abgehängten Wänden, Trennoder Renovierungswänden, das aus zusammengesetzten Platten (10a, 10b, 10c; 10'a, 10'b, 10'c) aus einem Baustoff besteht und zwei Stützelemente (20a, 20b; 20'a, 20'b) umfaßt, die sich parallel über die gesamte Länge des Paneels erstrecken, wobei die an den Rändern aneinanderliegenden Platten aus Baustoff an den Stützelementen befestigt sind und sich in einem Stück über die gesamte Höhe des Paneels erstrecken, dadurch gekennzeichnet, daß die Platten aus extrudiertem Polystyrol bestehen und über männliche (11a, 11b; 11'a, 11'b) und weibliche Ränder (12b, 12c; 12'b, 12'c) ineinandergreifen und an ihren Rändern (11a, 12b, 11b, 12c) ohne Zwischenstück zu einem stabilen, leichten, mechanisch starren und wärmeisolierenden Paneel zusammengefügt werden.
  2. Paneel nach Anspruch 1, dadurch gekennzeichnet, daß die ineinandergreifenden Platten, die an ihren Rändern zusammengefügt werden, an ihrer Verbindungsstelle durch Befestigungsmittel (40, 40', 40") und/oder Versteifungsmittel (30, 30') gehalten werden, die einen dem Profil der aneinanderliegenden Ränder (11a, 12b; 11b, 12c) der Platten entsprechenden Abschnitt aufweisen.
  3. Paneel nach Anspruch 2, dadurch gekennzeichnet, daß die Versteifungsmittel (30, 30') an ihren Enden an Verankerungspunkten (21a, 21b; 21'a, 21'b) befestigt sind, die entlang der Stützelemente vorgesehen sind.
  4. Paneel nach Anspruch 3, dadurch gekennzeichnet, daß die Versteifungsmittel Versteifungsstäbe (30) sind, die zwischen den männlichen und weiblichen Rändern angeordnet und ausreichend flexibel sind, um sich durch elastische Biegung in die Verankerungspunkte (21a, 21b) einfügen zu lassen.
  5. Paneel nach Anspruch 2, dadurch gekennzeichnet, daß die Versteifungsmittel gradlinige Versteifungselemente (30') sind, die folgendes aufweisen:
    einen dem Profil der aneinanderliegenden Ränder (11'a, 12'b; 11'b, 12'c) der Platten aus extrudiertem Polystyrol entsprechenden Abschnitt,
    mindestens eine Zunge (34') zur Befestigung an einem Stützelement (20'a, 20'b),
    mehrere Spitzen (32', 33'), die an jeder Seite der gradlinigen Elemente (30') vorgesehen sind und über die aneinanderliegenden Ränder in das Material von zwei angrenzenden Platten (10'a, 10'b; 10'b, 10'c) eindringen, zwischen denen die gradlinigen Versteifungselemente angeordnet sind.
  6. Paneel nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß die Stützelemente (20'a, 20'b) hohle Winkel mit P-Profil sind.
  7. Paneel nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß die Stützelemente (20'a, 20'b) hohle Winkel mit P-Profil sind.
  8. Paneel nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, daß es mit einem Mittel (40, 40', 40") zur Befestigung an einem Tragelement (50) versehen ist, wobei das Mittel ein Befestigungsstück (41, 41', 41") zur Befestigung an dem Tragelement und mindestens einen spitz zulaufenden Zahn (42a, 42b, 43a, 43b; 48a, 48b, 49) aufweist, der über einen Rand (12a) in das Material einer Endplatte (10a) des Paneels eindringt.
  9. Paneel nach Anspruch 8, dadurch gekennzeichnet, daß das Befestigungsmittel mindestens zwei spitz zulaufende Zähne aufweist, die durch ein Verbindungsplättchen (44) verbunden sind, das bei Eindringen der spitz zulaufenden Zähne mit dem Profil eines Rands (12'a) der Endplatte (10'a) des Paneels zusammenwirken kann.
  10. Paneel nach Anspruch 9, dadurch gekennzeichnet, daß das Verbindungsplättchen (44) ebenfalls mindestens zwei weitere spitz zulaufende Zähne (48a, 48b, 49) trägt, die den spitz zulaufenden Zähnen gegenüberliegen.
  11. Paneel nach einem der Ansprüche 3 oder 4 und einem der Ansprüche 8 oder 9, dadurch gekennzeichnet, daß das Verbindungsplättchen (44) einen Clip (45) zum Halten der Versteifungsstäbe (30) trägt.
  12. Paneel nach einem der Ansprüche 8 bis 11, dadurch gekennzeichnet, daß das Befestigungsstück (41', 41") zur Befestigung eine um 90° gebogene Kante (41'a, 41"a) umfaßt.
  13. Paneel nach einem der Ansprüche 8 bis 11, dadurch gekennzeichnet, daß das Befestigungsstück (41', 41") zur Befestigung mindestens eine um 90° biegsame Zunge (49) umfaßt, die ein Durchgangsloch (50) für ein Hängeeisen (60) aufweist.
  14. Paneel nach einem der Ansprüche 12 und 13, dadurch gekennzeichnet, daß die gebogene Kante (41'a, 41"a) ebenfalls ein Durchgangsloch (51) für das Hängeeisen (60) aufweist.
  15. Paneel nach einem der Ansprüche 13 oder 14, dadurch gekennzeichnet, daß das Befestigungsmittel eine Dehnungsfuge (70) mit einer Platte (71) zur Befestigung am Tragelement (50) aufweist, die an einem Ende mit einem Ansatz (72) endet, der ins Innere eines Ausschnitts (52) einer biegsamen Zunge (49) des Befestigungsstücks (41') zur Befestigung eingeführt wird, so daß das Befestigungsmittel (40') aufgehängt bleibt.
  16. Paneel nach Anspruch 15, dadurch gekennzeichnet, daß die Platte (71) zur Befestigung ein Biegestück (76) mit Durchgangslöchern (73, 74) für das Hängeeisen (60) aufweist.
EP94400028A 1993-01-20 1994-01-05 Paneel für die Bauindustrie Expired - Lifetime EP0612894B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9300671A FR2700565B1 (fr) 1993-01-20 1993-01-20 Panneau destiné à l'industrie du bâtiment.
FR9300671 1993-01-20

Publications (3)

Publication Number Publication Date
EP0612894A2 EP0612894A2 (de) 1994-08-31
EP0612894A3 EP0612894A3 (de) 1994-11-17
EP0612894B1 true EP0612894B1 (de) 1999-11-03

Family

ID=9443305

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94400028A Expired - Lifetime EP0612894B1 (de) 1993-01-20 1994-01-05 Paneel für die Bauindustrie

Country Status (6)

Country Link
EP (1) EP0612894B1 (de)
AT (1) ATE186358T1 (de)
DE (1) DE69421428T2 (de)
ES (1) ES2141207T3 (de)
FR (1) FR2700565B1 (de)
PT (1) PT612894E (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1736609B1 (de) 2004-03-18 2011-04-20 ASUMENDI GARCIA, Jose Antonio System zum bau mit vorgefertigten platten und vorgefertigte platte
NL1036802C2 (nl) * 2009-04-01 2009-11-03 Nicolaas Johannes Veerman Piepschuim wand welke is opgebouwd uit een fundering met op een afstand van maximaal 150 cm bevestigde draadeinden van 142 cm lang, een houten balk van 4,5 bij 9,5 cm die daarover geschoven wordt en EPS 30 blokken van 30 cm breed en 125 cm hoog.
ES2399769B1 (es) * 2010-03-18 2014-01-27 Tabiclick, S.L. Sistema de construccion de tabiques para viviendas y similares
GB201009727D0 (en) 2010-06-11 2010-07-21 Module Home Future Bvba Building system
WO2014033333A1 (es) * 2012-08-30 2014-03-06 Tabiclick, S.L. Sistema de construcción de forjados. tabiques. paneles de recrecido y cerramientos para viviendas y similares
CN104234273B (zh) * 2014-09-03 2017-07-04 西安建筑科技大学 一种装配式建筑内墙与相邻楼板的连接结构

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR724853A (fr) * 1930-12-30 1932-05-04 Brique pour dallages, voligeages, plafonds
US2335303A (en) * 1941-10-13 1943-11-30 Anders C Olsen Building structure
FR1275442A (fr) * 1960-09-27 1961-11-10 Franco Belge Du Caoutchouc Mou Procédé pour constituer une cloison, un sous-plafond, une sous-toiture et autres oeuvres semblables
FR1297830A (fr) * 1961-05-24 1962-07-06 Neyrplast S A R L Perfectionnements apportés aux bâtiments préfabriqués
FR1335498A (fr) * 1962-10-05 1963-08-16 Procédé de montage et de pose des cloisons et plafonds en éléments préfabriqués, ainsi que les éléments et moyens s'y rattachant
FR2597904B1 (fr) * 1986-04-24 1992-01-10 Pre Ma Co Element d'isolation et de cloisonnement

Also Published As

Publication number Publication date
DE69421428T2 (de) 2000-07-13
FR2700565B1 (fr) 1995-04-07
EP0612894A2 (de) 1994-08-31
DE69421428D1 (de) 1999-12-09
ES2141207T3 (es) 2000-03-16
PT612894E (pt) 2000-04-28
FR2700565A1 (fr) 1994-07-22
ATE186358T1 (de) 1999-11-15
EP0612894A3 (de) 1994-11-17

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