EP2069585B1 - Facing panel, in particular plasterboard panel - Google Patents

Facing panel, in particular plasterboard panel Download PDF

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Publication number
EP2069585B1
EP2069585B1 EP07823497A EP07823497A EP2069585B1 EP 2069585 B1 EP2069585 B1 EP 2069585B1 EP 07823497 A EP07823497 A EP 07823497A EP 07823497 A EP07823497 A EP 07823497A EP 2069585 B1 EP2069585 B1 EP 2069585B1
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EP
European Patent Office
Prior art keywords
sheet
cut
facing
break
core
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.)
Active
Application number
EP07823497A
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German (de)
French (fr)
Other versions
EP2069585A1 (en
Inventor
Emmanuel Geeraert
Yves Benkemoun
Laurent Bourdon
Rosa Casals
David Defendenti
Jacques Denimal
Pierre Marie Duriaud
Alexandre Fritsch
Yves Hamelin
Christine Laroulandie
Nadia Maimouni
Aurélie PERAUDEAU
Fabien Peyrat
Alain Pinede
Patrick Rosique
Marc Antoine Verhaeghe
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.)
Placoplatre SA
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Placoplatre SA
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Publication date
Application filed by Placoplatre SA filed Critical Placoplatre SA
Priority to PL07823497T priority Critical patent/PL2069585T3/en
Publication of EP2069585A1 publication Critical patent/EP2069585A1/en
Application granted granted Critical
Publication of EP2069585B1 publication Critical patent/EP2069585B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • E04C2/02—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
    • E04C2/043—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 of plaster
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F13/00—Coverings or linings, e.g. for walls or ceilings
    • E04F13/07—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor
    • E04F13/08—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements
    • E04F13/14—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements stone or stone-like materials, e.g. ceramics concrete; of glass or with an outer layer of stone or stone-like materials or glass
    • E04F13/141—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements stone or stone-like materials, e.g. ceramics concrete; of glass or with an outer layer of stone or stone-like materials or glass with an outer layer of concrete
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/19—Sheets or webs edge spliced or joined
    • Y10T428/192—Sheets or webs coplanar
    • Y10T428/197—Sheets or webs coplanar with noncoplanar reinforcement
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/2419—Fold at edge
    • Y10T428/24198—Channel-shaped edge component [e.g., binding, etc.]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/2419—Fold at edge
    • Y10T428/24215—Acute or reverse fold of exterior component
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24479—Structurally defined web or sheet [e.g., overall dimension, etc.] including variation in thickness
    • Y10T428/24488—Differential nonuniformity at margin
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24479—Structurally defined web or sheet [e.g., overall dimension, etc.] including variation in thickness
    • Y10T428/24612—Composite web or sheet
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24777—Edge feature

Definitions

  • the present invention relates to facing plates, especially plasterboard.
  • a plasterboard has a plaster core sandwiched between two sheets of cardboard. These plates are generally in rectangular form and have two opposite edges thinned. Such plasterboards are well known to those skilled in the art,
  • plasterboard generally have a length greater than two meters so as to achieve vertical partitions without having to have two plates one above the other.
  • the present invention therefore aims to provide means for facilitating the handling and / or transport of a plasterboard.
  • a facing plate in particular plasterboard, comprising a core disposed between two sheets of cardboard,
  • a cardboard sheet has a substantially straight cut extending from one edge of the plate to an opposite edge.
  • the cut thus made in the cardboard sheet formed a break line for the core of the facing plate.
  • a shock then breaks the soul of the plate along the cut.
  • the two parts of the core of the facing plate, on either side of the break, can then pivot relative to each other, the second sheet of cardboard forming a hinge. By pivoting 180 °, the two parts of the facing plate come face to face and thus limit the size of the plate in a dimension, the length for example.
  • the latter may have a notch at the cut made in the carton, at least a portion of the length of this cut.
  • the present invention relates to a facing plate as defined here and which has a break in the core of the plate at the level of the cut (and / or notch), this cut (and possibly the cut if it is present) can be covered, totally or partially, with a glue joint.
  • a facing plate according to the invention is for example rectangular and has two opposite edges thinned. Its cut then extends advantageously a thinned edge to the other thinned edge, perpendicular to them.
  • the thinned edges are generally made on the longitudinal edges of the facing plate (corresponding to the long sides of the plate). Such a cut then makes it possible to reduce the overall length of the facing plate when the latter is folded.
  • a face of the facing plate covered with cardboard is a flat face and the cut is made on this flat face.
  • the other face which then serves as a hinge, can then be used as the front face of the facing plate, that is to say the visible face of the plate once it is mounted.
  • the cut, possibly the notch, and the break are invisible.
  • the cardboard sheet opposite to the cut sheet has a basis weight greater than 200 g / m 2 , for example 240 g / m 2 .
  • Such a sheet of cardboard is reinforced with respect to the cardboard sheets usually used for producing plasterboard and can be folded and unfolded several times without tearing.
  • the present invention also relates to a facing plate as described above whose core has the breakage over its entire thickness, and for which the cardboard sheet opposite the cut sheet is folded at about 180 ° along the break.
  • the break is advantageously wrapped by a sheet of paper. It can also be envisaged that the free edges of the plate opposed to the break are also wrapped by a sheet of paper.
  • the present invention further relates to a set of facing plates having a fold of 180 °, characterized in that the plates are stacked on each other.
  • the breaks are preferably arranged one above the other and are wrapped by a sheet of paper. It can also be provided in such a set of plates that the plate edges opposed to the breaks are also wrapped by a sheet of paper.
  • the drawings show a plasterboard which generally has the same shape as a plasterboard of the prior art.
  • This gypsum board 2 has a core 4 made of plaster sandwiched between two sheets of cardboard: a front sheet 6 and a back sheet 8.
  • the front sheet 6 is so called because it is the cardboard sheet intended to be visible when the plasterboard 2 is mounted.
  • the back sheet 8 is hidden when the plasterboard 2 is mounted.
  • the plasterboard 2 has two thinned edges 10.
  • the plasterboard 2 shown is a rectangular plate and the thinned edges 10 are made on one face of the plasterboard 2 at the longitudinal edges (long sides ) of the rectangular plasterboard 2.
  • these thinned edges 10 are made on the front face of the gypsum board 2.
  • the sheet of cardboard 6 is thus substantially flat over the entire surface of the gypsum board 2 except at the long sides of this plate where the front sheet 6 is slightly inclined to form a thinned edge 10.
  • the back sheet 8 is in turn substantially flat over the entire surface of the gypsum board 2.
  • a sheet of cardboard of this gypsum board 2 is cut in a straight cut extending from one edge to the other of the board.
  • a cutout 12 made in the back sheet 8 and extending from one longitudinal edge to the other.
  • This cutout 12 is a transverse cut, parallel to the short sides of the plasterboard 2 and equidistant from them.
  • the cutout 12 is, in summary, a transverse cut made at mid-height of the gypsum board 2 on the rear face thereof.
  • the cutout 12 is for example a continuous cut made using a cutting tool. This cutting is preferably carried out in any the thickness of the sheet of cardboard 8. It is conceivable here to have either a continuous cut or a dotted cut.
  • a notch is made in the core 4 of the plate.
  • This cut coincides with the figures with the cutout 12. It is shallow: it represents for example a depth of the order of a millimeter. It is advantageously of a depth less than 1/5 th , or preferably 1/10 th of the thickness of the core 4.
  • This notch is made simultaneously with the cutout 12, with the same tool (not shown) who makes the cut 12.
  • the cutout 12 and the corresponding notch make it possible to make a break 14 in the core 4 of the gypsum board 2.
  • This break 14 extends along the cutout 12 and is represented on the Figures 2 to 4 .
  • the plasterboard 2 can be folded, the front sheet 6 cardboard then filling the hinge function.
  • the Figures 3 and 4 represent a gypsum board 2 in which a fold 16 has been made at 180 ° along the break 14. This gives two half-plasterboard plates arranged face to face having a front sheet of cardboard in one piece. The overall height of the plasterboard 2 has been reduced by half. The overall width is retained and the overall thickness is doubled. In this way, the thickness of the plate being almost negligible compared to the length and the width thereof, the plasterboard 2 can be more easily transported and manipulated.
  • the figure 4 shows an alternative embodiment.
  • the plasterboard 2 with a fold 16 at 180 ° in the front sheet 6 of the figure 3 .
  • the break 14 is wrapped in a sheet of paper 18. The latter thus envelopes the break 14 and the back sheet 8 of the plasterboard near the break 14.
  • a sheet of paper 18 ' is used for this purpose.
  • this is for example a sheet made in a paper of the type commonly used in the field of packaging.
  • Other materials, for example a synthetic material, can be envisaged here.
  • These folded plasterboard can be stacked on top of each other, as well as plasterboard is stacked. It is conceivable to individually wrap the breaks 14 of several gypsum boards stacked one on top of the other and / or to plan to wrap together all the superimposed breaks. Similarly, one can provide a packing two by two of the transverse edges of the plasterboard and / or packaging of all the superimposed transverse edges of a stack of plasterboard folded according to the invention.
  • an unfolded plasterboard has, for example, a height of 2500 mm and a width of 600 or 1200 mm.
  • the thickness of the core 4 of the plate is, for example, of the order of 10 or 13 mm.
  • plasterboard commonly used. All other dimensions can be considered here.
  • the front sheet 6, intended to be folded is made of a cardboard having a mass per unit area greater than 200 g / m 2 , for example 240 g / m 2 .
  • the invention can be realized with a "conventional" cardboard sheet having a lower basis weight.
  • the plate 2 after having been folded for its handling and unfolded for its installation, can receive an adhesive joint 22 which covers the notch and the cutout 12, preferably over almost their entire length, except at the ends, so as to not to interfere with the installation and fixing of the plate on studs of a frame.
  • the present invention thus proposes a solution allowing more easily handle and transport plasterboard.
  • These plates have a footprint, for example in height, which is reduced without being required to provide a greater number of joints during the production of a wall.
  • the figure 5 illustrates an alternative embodiment in which the break 14, and thus also the cut 12 and the corresponding notch, are not made at mid-height of the facing plate 2 but with a slight offset.
  • the upper edge and the lower edge are offset.
  • This slight offset for example of the order of 1 to several centimeters, is intended to facilitate the unfolding of the plate 2.
  • the description which is made above relates to a plate with two thinned edges.
  • the cut and the break made are perpendicular to the thinned edges. This then makes it possible to limit the size of the plate in length.
  • a cut (with or without a corresponding cut) and a break parallel to the thinned edges can also be envisaged. This gives a plate whose width is limited when it is folded.
  • the present invention can also be implemented with composite facing plates having a core in a plaster-like material sandwiched between two sheets of cardboard.
  • the cut (and possibly the notch) is made on the rear face (not visible after mounting) of a facing plate.
  • This cutting in some cases, may possibly be performed on the front face of the plate, the one in which the thinned edges are generally made.
  • the present invention also relates to facing plates having a doubling, such as EPS (PolyStyrene Expanded) for example.
  • EPS PolyStyrene Expanded
  • the cut is made both in the doubling and in the adjacent cardboard sheet, the notch being in turn made in the core of the plate.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Packages (AREA)
  • Laminated Bodies (AREA)
  • Finishing Walls (AREA)
  • Packaging Of Annular Or Rod-Shaped Articles, Wearing Apparel, Cassettes, Or The Like (AREA)
  • Panels For Use In Building Construction (AREA)
  • Wrappers (AREA)
  • Cartons (AREA)
  • Buffer Packaging (AREA)

Abstract

A facing board, notably plaster board (2), according to the invention has a core (4) disposed between two sheets (6, 8) of card. One sheet (8) of card has a substantially straight cut (12) extending from one edge of the board to an opposite edge. The invention also provides for the core (4) to have a break (14) throughout its thickness, and for the sheet (6) of card opposite the cut sheet (8) to be folded at approximately 180° along the break (14).

Description

La présente invention concerne des plaques de parement, notamment des plaques de plâtre.The present invention relates to facing plates, especially plasterboard.

Une plaque de plâtre présente une âme en plâtre prise en sandwich entre deux feuilles de carton. Ces plaques se présentent généralement sous forme rectangulaire et comportent deux bords opposés amincis. De telles plaques de plâtre sont parfaitement connues de l'homme du métier,A plasterboard has a plaster core sandwiched between two sheets of cardboard. These plates are generally in rectangular form and have two opposite edges thinned. Such plasterboards are well known to those skilled in the art,

Il est connu par le document FR-2 376 272 des plaques rectangulaires de plâtres pourvues de deux rainures en V destinées à être transportées à plat jusqu'à un chantier de construction où les parties marginales sont pliées à l'équerre par rapport à la partie principale de la plaque.He is known by the document FR-2,376,272 rectangular plasterboard plates with two V-shaped grooves to be transported flat to a construction site where the edge portions are bent square to the main part of the plate.

Les parties marginales sont maintenues dans cette position par une colle appliquée dans les rainures pour former des rebords. Des panneaux ainsi obtenus sont alors assemblée en double paroi dans lesquels les rebords dirigés vers l'intérieur forment des entretoises. En plafond, les rebords assemblés et dirigés vers le haut forment des soupoutres.The marginal portions are held in this position by an adhesive applied in the grooves to form flanges. Panels thus obtained are then assembled in double wall in which the inwardly directed flanges form spacers. On the ceiling, the raised and upward flanges form suspensions.

Un inconvénient des plaques de plâtre est la difficulté qui existe pour les manipuler et les transporter. Ceci est notamment dû à la taille des plaques et également à leur poids. En effet, les plaques de plâtre présentent généralement une longueur supérieure à deux mètres de manière à pouvoir réaliser des cloisons verticales sans avoir à disposer deux plaques l'une au-dessus de l'autre.A disadvantage of drywall is the difficulty that exists in handling and transporting them. This is due in particular to the size of the plates and also to their weight. Indeed, plasterboard generally have a length greater than two meters so as to achieve vertical partitions without having to have two plates one above the other.

La présente invention a alors pour but de fournir des moyens permettant de faciliter la manipulation et/ou le transport d'une plaque de plâtre.The present invention therefore aims to provide means for facilitating the handling and / or transport of a plasterboard.

A cet effet, elle propose une plaque de parement, notamment plaque de plâtre, comportant une âme disposée entre deux feuilles de carton,For this purpose, it proposes a facing plate, in particular plasterboard, comprising a core disposed between two sheets of cardboard,

Selon la présente invention, une feuille de carton présente une découpe sensiblement droite s'étendant d'un bord de la plaque jusqu'à un bord opposé.According to the present invention, a cardboard sheet has a substantially straight cut extending from one edge of the plate to an opposite edge.

La découpe ainsi réalisée dans la feuille de carton formé une ligne de cassure pour l'âme de la plaque de parement. Un choc permet alors de casser l'âme de la plaque le long de la découpe. Les deux parties de l'âme de la plaque de parement, de part et d'autre de la cassure, peuvent alors pivoter l'une par rapport à l'autre, la seconde feuille de carton formant une charnière. En pivotant de 180°, les deux parties de la plaque de parement viennent l'une face à l'autre permettant ainsi de limiter l'encombrement de la plaque dans une dimension, la longueur par exemple.The cut thus made in the cardboard sheet formed a break line for the core of the facing plate. A shock then breaks the soul of the plate along the cut. The two parts of the core of the facing plate, on either side of the break, can then pivot relative to each other, the second sheet of cardboard forming a hinge. By pivoting 180 °, the two parts of the facing plate come face to face and thus limit the size of the plate in a dimension, the length for example.

Pour faciliter la cassure de l'âme, cette dernière peut présenter une entaille au niveau de la découpe réalisée dans le carton, sur au moins une partie de la longueur de cette découpe. La présente invention concerne une plaque de parement comme définie ici et qui présente une cassure réalisée dans l'âme de la plaque au niveau de la découpe (et/ou de l'entaille), Cette découpe (et éventuellement l'entaille si elle est présente) peut être recouverte, totalement ou partiellement d'un joint de colle.To facilitate the breakage of the core, the latter may have a notch at the cut made in the carton, at least a portion of the length of this cut. The present invention relates to a facing plate as defined here and which has a break in the core of the plate at the level of the cut (and / or notch), this cut (and possibly the cut if it is present) can be covered, totally or partially, with a glue joint.

Une plaque de parement selon l'invention est par exemple rectangulaire et comporte deux bords opposés amincis. Sa découpe s'étend alors avantageusement d'un bord aminci vers l'autre bord aminci, perpendiculairement à ceux-ci. Les bords amincis sont généralement réalisés sur les bords longitudinaux de la plaque de parement (correspondant donc aux grands côtés de la plaque). Une telle découpe permet alors de réduire l'encombrement en longueur de la plaque de parement lorsque celle-ci est repliée.A facing plate according to the invention is for example rectangular and has two opposite edges thinned. Its cut then extends advantageously a thinned edge to the other thinned edge, perpendicular to them. The thinned edges are generally made on the longitudinal edges of the facing plate (corresponding to the long sides of the plate). Such a cut then makes it possible to reduce the overall length of the facing plate when the latter is folded.

Dans une variante de réalisation préférée, une face de la plaque de parement recouverte de carton est une face plane et la découpe est réalisée sur cette face plane. L'autre face, qui sert alors de charnière, peut alors être utilisée comme face avant de la plaque de parement, c'est-à-dire la face visible de la plaque une fois celle-ci montée. Ainsi, une fois la plaque de parement montée, la découpe, éventuellement l'entaille, et la cassure sont invisibles.In a preferred embodiment, a face of the facing plate covered with cardboard is a flat face and the cut is made on this flat face. The other face, which then serves as a hinge, can then be used as the front face of the facing plate, that is to say the visible face of the plate once it is mounted. Thus, once the facing plate mounted, the cut, possibly the notch, and the break are invisible.

Avantageusement, la feuille de carton opposée à la feuille découpée présente une masse surfacique supérieure à 200 g/m2, par exemple 240 g/m2. Une telle feuille de carton est renforcée par rapport aux feuilles de carton utilisées habituellement pour la réalisation de plaques de parement en plâtre et peut être pliée et dépliée plusieurs fois sans se déchirer.Advantageously, the cardboard sheet opposite to the cut sheet has a basis weight greater than 200 g / m 2 , for example 240 g / m 2 . Such a sheet of cardboard is reinforced with respect to the cardboard sheets usually used for producing plasterboard and can be folded and unfolded several times without tearing.

La présente invention concerne également une plaque de parement telle que décrite plus haut dont l'âme présente la cassure sur toute son épaisseur, et pour laquelle la feuille de carton opposée à la feuille découpée est pliée à environ 180° le long de la cassure. Pour protéger la cassure d'une telle plaque de parement, la cassure est avantageusement enveloppée par une feuille de papier. On peut également envisager que les bords libres de la plaque opposés à la cassure sont eux aussi enveloppés par une feuille de papier.The present invention also relates to a facing plate as described above whose core has the breakage over its entire thickness, and for which the cardboard sheet opposite the cut sheet is folded at about 180 ° along the break. To protect the breakage of such a facing plate, the break is advantageously wrapped by a sheet of paper. It can also be envisaged that the free edges of the plate opposed to the break are also wrapped by a sheet of paper.

La présente invention concerne en outre un ensemble de plaques de parement présentant un pli de 180°, caractérisé en ce que les plaques sont empilées les unes sur les autres. Dans cet empilage, les cassures sont de préférence disposées les unes au-dessus des autres et sont enveloppées par une feuille de papier. On peut également prévoir dans un tel ensemble de plaques que les bords de plaque opposés aux cassures sont eux aussi enveloppés par une feuille de papier.The present invention further relates to a set of facing plates having a fold of 180 °, characterized in that the plates are stacked on each other. In this stack, the breaks are preferably arranged one above the other and are wrapped by a sheet of paper. It can also be provided in such a set of plates that the plate edges opposed to the breaks are also wrapped by a sheet of paper.

Des détails et avantages de la présente invention ressortiront mieux de la description qui suit, faite en référence aux dessins schématiques annexés sur lesquels :

  • La figure 1 est une vue de face d'une plaque selon l'invention,
  • La figure 2 est une vue de côté de la plaque de la figure 1,
  • La figure 3 correspond à la figure 2, la plaque étant pliée,
  • La figure 4 montre schématiquement l'emballage d'une plaque pliée, et
  • La figure 5 est une vue similaire à celle de la figure 3 pour une variante de réalisation.
Details and advantages of the present invention will emerge more clearly from the description which follows, made with reference to the appended diagrammatic drawings in which:
  • The figure 1 is a front view of a plate according to the invention,
  • The figure 2 is a side view of the plate of the figure 1 ,
  • The figure 3 corresponds to the figure 2 the plate being bent,
  • The figure 4 schematically shows the packaging of a folded plate, and
  • The figure 5 is a view similar to that of the figure 3 for an alternative embodiment.

Les dessins représentent une plaque de plâtre qui comporte globalement la même forme qu'une plaque de plâtre de l'art antérieur. Cette plaque de plâtre 2 présente une âme 4 en plâtre prise en sandwich entre deux feuilles de carton : une feuille avant 6 et une feuille arrière 8. La feuille avant 6 est dénommée de la sorte car il s'agit de la feuille de carton destinée à être visible lorsque la plaque de plâtre 2 est montée. Ainsi, la feuille arrière 8 est cachée lorsque la plaque de plâtre 2 est montée.The drawings show a plasterboard which generally has the same shape as a plasterboard of the prior art. This gypsum board 2 has a core 4 made of plaster sandwiched between two sheets of cardboard: a front sheet 6 and a back sheet 8. The front sheet 6 is so called because it is the cardboard sheet intended to be visible when the plasterboard 2 is mounted. Thus, the back sheet 8 is hidden when the plasterboard 2 is mounted.

De manière connue également, la plaque de plâtre 2 présente deux bords amincis 10. La plaque de plâtre 2 représentée est une plaque rectangulaire et les bords amincis 10 sont réalisés sur une face de la plaque de plâtre 2 au niveau des bords longitudinaux (grands côtés) de la plaque de plâtre 2 rectangulaire. De façon connue, ces bords amincis 10 sont réalisés sur la face avant de la plaque de plâtre 2. La feuille de carton 6 est ainsi sensiblement plane sur toute la surface de la plaque de plâtre 2 sauf au niveau des grands côtés de cette plaque où la feuille avant 6 est légèrement inclinée de manière à former un bord aminci 10. La feuille arrière 8 est quant à elle sensiblement plane sur toute la surface de la plaque de plâtre 2.In a manner also known, the plasterboard 2 has two thinned edges 10. The plasterboard 2 shown is a rectangular plate and the thinned edges 10 are made on one face of the plasterboard 2 at the longitudinal edges (long sides ) of the rectangular plasterboard 2. In known manner, these thinned edges 10 are made on the front face of the gypsum board 2. The sheet of cardboard 6 is thus substantially flat over the entire surface of the gypsum board 2 except at the long sides of this plate where the front sheet 6 is slightly inclined to form a thinned edge 10. The back sheet 8 is in turn substantially flat over the entire surface of the gypsum board 2.

Une telle structure de plaque de plâtre est connue de l'art antérieur.Such a plasterboard structure is known from the prior art.

Selon la présente invention, une feuille de carton de cette plaque de plâtre 2 est découpée selon une découpe droite s'étendant d'un bord à l'autre de la plaque.According to the present invention, a sheet of cardboard of this gypsum board 2 is cut in a straight cut extending from one edge to the other of the board.

Dans la forme de réalisation représentée aux dessins, on reconnaît sur la figure 1 une découpe 12 réalisée dans la feuille arrière 8 et s'étendant d'un bord longitudinal à l'autre. Cette découpe 12 est une découpe transversale, parallèle aux petits côtés de la plaque de plâtre 2 et équidistante de ceux-ci. La découpe 12 est donc, en résumé, une découpe transversale réalisée à mi-hauteur de la plaque de plâtre 2 sur la face arrière de celle-ci.In the embodiment shown in the drawings, it is recognized on the figure 1 a cutout 12 made in the back sheet 8 and extending from one longitudinal edge to the other. This cutout 12 is a transverse cut, parallel to the short sides of the plasterboard 2 and equidistant from them. The cutout 12 is, in summary, a transverse cut made at mid-height of the gypsum board 2 on the rear face thereof.

La découpe 12 est par exemple une découpe continue réalisée à l'aide d'un outil tranchant. Cette découpe est de préférence réalisée dans toute l'épaisseur de la feuille de carton 8. Il est envisageable ici d'avoir soit une découpe continue, soit une découpe en pointillés.The cutout 12 is for example a continuous cut made using a cutting tool. This cutting is preferably carried out in any the thickness of the sheet of cardboard 8. It is conceivable here to have either a continuous cut or a dotted cut.

Lors de la réalisation de la découpe 12, une entaille est réalisée dans l'âme 4 de la plaque. Cette entaille se confond sur les figures avec la découpe 12. Elle est peu profonde : elle représente par exemple une profondeur de l'ordre du millimètre. Elle est avantageusement d'une profondeur inférieure au 1/5ème, ou de préférence en 1/10ème de l'épaisseur de l'âme 4. Cette entaille est réalisée simultanément avec la découpe 12, avec le même outil (non représenté) qui réalise la découpe 12.When making the cut 12, a notch is made in the core 4 of the plate. This cut coincides with the figures with the cutout 12. It is shallow: it represents for example a depth of the order of a millimeter. It is advantageously of a depth less than 1/5 th , or preferably 1/10 th of the thickness of the core 4. This notch is made simultaneously with the cutout 12, with the same tool (not shown) who makes the cut 12.

La découpe 12 et l'entaille correspondante permettent de réaliser une cassure 14 dans l'âme 4 de la plaque de plâtre 2. Cette cassure 14 s'étend le long de la découpe 12 et est représentée sur les figures 2 à 4. Lorsque cette cassure 14 est réalisée, la plaque de plâtre 2 peut être pliée, la feuille avant 6 en carton remplissant alors la fonction de charnière.The cutout 12 and the corresponding notch make it possible to make a break 14 in the core 4 of the gypsum board 2. This break 14 extends along the cutout 12 and is represented on the Figures 2 to 4 . When this break 14 is achieved, the plasterboard 2 can be folded, the front sheet 6 cardboard then filling the hinge function.

Les figures 3 et 4 représentent une plaque de plâtre 2 dans laquelle on a réalisé un pli 16 à 180° le long de la cassure 14. On obtient ainsi deux demi-plaques de plâtre disposées face à face ayant une feuille de carton avant d'une seule pièce. L'encombrement en hauteur de la plaque de plâtre 2 a ainsi été réduit de moitié. L'encombrement en largeur est conservé et l'encombrement en épaisseur est doublé. De cette manière, l'épaisseur de la plaque étant quasiment négligeable par rapport à la longueur et à la largeur de celle-ci, la plaque de plâtre 2 peut être plus facilement transportée et manipulée.The Figures 3 and 4 represent a gypsum board 2 in which a fold 16 has been made at 180 ° along the break 14. This gives two half-plasterboard plates arranged face to face having a front sheet of cardboard in one piece. The overall height of the plasterboard 2 has been reduced by half. The overall width is retained and the overall thickness is doubled. In this way, the thickness of the plate being almost negligible compared to the length and the width thereof, the plasterboard 2 can be more easily transported and manipulated.

La figure 4 montre une variante de réalisation. On retrouve ici la plaque de plâtre 2 avec un pli 16 à 180° dans la feuille avant 6 de la figure 3. Dans cette variante de réalisation, la cassure 14 est enveloppée dans une feuille de papier 18. Cette dernière enveloppe ainsi la cassure 14 ainsi que la feuille arrière 8 de la plaque de plâtre à proximité de la cassure 14.The figure 4 shows an alternative embodiment. Here we find the plasterboard 2 with a fold 16 at 180 ° in the front sheet 6 of the figure 3 . In this embodiment, the break 14 is wrapped in a sheet of paper 18. The latter thus envelopes the break 14 and the back sheet 8 of the plasterboard near the break 14.

On peut également prévoir, comme représenté sur la figure 4, d'envelopper également ensemble les deux bords transversaux 20 de la plaque de plâtre 2. Une feuille de papier 18' est utilisée à cet effet. De même que la feuille de papier 18, il s'agit ici par exemple d'une feuille réalisée dans un papier du type de ceux utilisés couramment dans le domaine de l'emballage. D'autres matériaux, par exemple une matière synthétique, peuvent être envisagés ici.It can also be expected, as shown on the figure 4 , also to wrap together the two transverse edges 20 of the gypsum board 2. A sheet of paper 18 'is used for this purpose. As well as the paper sheet 18, this is for example a sheet made in a paper of the type commonly used in the field of packaging. Other materials, for example a synthetic material, can be envisaged here.

Les feuilles en papier 18 et 18' sont par exemple mises en place dans l'usine de fabrication des plaques de plâtre. Ces plaques de plâtre pliées peuvent être empilées les unes sur les autres, de même qu'on empile des plaques de plâtre. On peut envisager d'envelopper individuellement les cassures 14 de plusieurs plaques de plâtre empilées les unes sur les autres et/ou de prévoir d'envelopper ensemble toutes les cassures superposées. De même, on peut prévoir un emballage deux à deux des bords transversaux des plaques de plâtre et/ou un emballage de tous les bords transversaux superposés d'une pile de plaques de plâtre pliée selon l'invention.The paper sheets 18 and 18 'are for example set up in the plasterboard manufacturing plant. These folded plasterboard can be stacked on top of each other, as well as plasterboard is stacked. It is conceivable to individually wrap the breaks 14 of several gypsum boards stacked one on top of the other and / or to plan to wrap together all the superimposed breaks. Similarly, one can provide a packing two by two of the transverse edges of the plasterboard and / or packaging of all the superimposed transverse edges of a stack of plasterboard folded according to the invention.

La présente invention peut s'appliquer à toutes les dimensions de plaques de plâtre. A titre d'exemple, une plaque de plâtre dépliée présente par exemple une hauteur de 2500 mm et une largeur de 600 ou 1200 mm. L'épaisseur de l'âme 4 de la plaque est quant à elle par exemple de l'ordre de 10 ou 13 mm. On retrouve ici des dimensions de plaques de plâtre couramment utilisées. Toutes autres dimensions peuvent être ici envisagées.The present invention is applicable to all sizes of drywall. By way of example, an unfolded plasterboard has, for example, a height of 2500 mm and a width of 600 or 1200 mm. The thickness of the core 4 of the plate is, for example, of the order of 10 or 13 mm. Here we find the dimensions of plasterboard commonly used. All other dimensions can be considered here.

De façon avantageuse, la feuille avant 6, destinée à être pliée, est réalisée dans un carton présentant une masse surfacique supérieure à 200 g/m2, par exemple 240 g/m2. Toutefois, l'invention peut être réalisée avec une feuille de carton "classique" présentant un grammage inférieur.Advantageously, the front sheet 6, intended to be folded, is made of a cardboard having a mass per unit area greater than 200 g / m 2 , for example 240 g / m 2 . However, the invention can be realized with a "conventional" cardboard sheet having a lower basis weight.

Lorsqu'une plaque 2 qui a été pliée est à nouveau dépliée, comme représentée sur la figure 2, les deux demi-plaques de plâtre viennent parfaitement s'emboîter au niveau de la cassure 14. La plaque de plâtre 2 ainsi dépliée présente alors un aspect quasiment identique à celui d'une plaque de plâtre, de mêmes dimensions, de l'art antérieur. Seules la découpe 12 et l'entaille correspondante dans l'âme 4 apparaissent à l'arrière de la plaque, c'est-à-dire du côté normalement caché une fois la plaque posée. Le fait de prévoir au niveau de l'âme 4 une cassure et non pas une découpe, permet d'avoir un parfait repositionnement des deux parties de la plaque de plâtre 2 lorsque celle-ci est dépliée. Une cassure permet en effet de réaliser le pli 16 sans enlèvement de matière au niveau de l'âme 4 en plâtre. Comme illustré sur la figure 2, la plaque 2, après avoir été pliée pour sa manutention et dépliée pour sa pose, peut recevoir un joint de colle 22 qui vient recouvrir l'entaille et la découpe 12, de préférence sur quasiment toute leur longueur, sauf aux extrémités, de manière à ne pas gêner la pose et la fixation de la plaque sur des montants d'une ossature.When a plate 2 which has been folded is unfolded again, as shown in FIG. figure 2 , the two half-plasterboard fit snugly at the break 14. The plasterboard 2 thus unfolded has an appearance almost identical to that of a plasterboard, of the same dimensions, art prior. Only the cut 12 and the corresponding notch in the core 4 appear at the back of the plate, that is to say, the normally hidden side once the plate is placed. Providing at the core 4 a break and not a cut, allows a perfect repositioning of the two parts of the drywall 2 when it is unfolded. A break allows indeed to make the fold 16 without removal of material at the core 4 in plaster. As illustrated on the figure 2 , the plate 2, after having been folded for its handling and unfolded for its installation, can receive an adhesive joint 22 which covers the notch and the cutout 12, preferably over almost their entire length, except at the ends, so as to not to interfere with the installation and fixing of the plate on studs of a frame.

La présente invention propose ainsi une solution permettant de plus facilement manipuler et transporter des plaques de plâtre. Ces plaques présentent un encombrement, par exemple en hauteur, qui est réduit sans toutefois être obligé de prévoir un plus grand nombre de joints lors de la réalisation d'une paroi.The present invention thus proposes a solution allowing more Easily handle and transport plasterboard. These plates have a footprint, for example in height, which is reduced without being required to provide a greater number of joints during the production of a wall.

La mise en place d'une telle plaque de plâtre est facile. Lorsque la plaque de plâtre pliée est enveloppée à ses extrémités à l'aide d'une feuille de papier, les deux demi-plaques sont parfaitement solidarisées l'une à l'autre. Avant utilisation, les feuilles de papier 18 et/ou 18' sont retirées. La plaque est alors mise en place puis dépliée. Ainsi, il n'est pas nécessaire de manipuler la plaque dépliée. Le joint de colle peut être mis en place ici.Setting up such a plasterboard is easy. When the folded plasterboard is wrapped at its ends with a sheet of paper, the two half-plates are perfectly secured to one another. Before use, the paper sheets 18 and / or 18 'are removed. The plate is then put in place and unfolded. Thus, it is not necessary to manipulate the unfolded plate. The glue joint can be set up here.

La figure 5 illustre une variante de réalisation dans laquelle la cassure 14, et donc aussi la découpe 12 et l'entaille correspondante, ne sont pas réalisées à mi-hauteur de la plaque 2 de parement mais avec un léger décalage. Ainsi, lorsque la plaque 2 est pliée (figure 5), le bord supérieur et le bord inférieur sont décalés. Ce léger décalage, par exemple de l'ordre de 1 à plusieurs centimètres, est destiné à faciliter le dépliage de la plaque 2.The figure 5 illustrates an alternative embodiment in which the break 14, and thus also the cut 12 and the corresponding notch, are not made at mid-height of the facing plate 2 but with a slight offset. Thus, when the plate 2 is folded ( figure 5 ), the upper edge and the lower edge are offset. This slight offset, for example of the order of 1 to several centimeters, is intended to facilitate the unfolding of the plate 2.

La présente invention ne se limite pas à la forme de réalisation et à ses variantes décrites à titre d'exemples non limitatifs. Elle concerne également toutes les autres variantes de réalisation sans s'écarter de la portée de l'invention comme définie par les revendications.The present invention is not limited to the embodiment and its variants described by way of non-limiting examples. It also relates to all other embodiments without departing from the scope of the invention as defined by the claims.

La description qui est faite plus haut concerne une plaque à deux bords amincis. La découpe et la cassure réalisées sont perpendiculaires aux bords amincis. Ceci permet alors de limiter l'encombrement de la plaque en longueur. Une découpe (avec ou sans entaille correspondante) et une cassure parallèles aux bords amincis peuvent également être envisagées. On obtient alors une plaque dont l'encombrement en largeur est limité lorsqu'elle est pliée.The description which is made above relates to a plate with two thinned edges. The cut and the break made are perpendicular to the thinned edges. This then makes it possible to limit the size of the plate in length. A cut (with or without a corresponding cut) and a break parallel to the thinned edges can also be envisaged. This gives a plate whose width is limited when it is folded.

La présente invention peut également être mise en oeuvre avec des plaques de parement composites comportant une âme dans un matériau similaire à du plâtre pris en sandwich entre deux feuilles de carton.The present invention can also be implemented with composite facing plates having a core in a plaster-like material sandwiched between two sheets of cardboard.

La description ci-dessus concerne le mode de réalisation préféré où la découpe (et éventuellement l'entaille) est réalisée sur la face arrière (non visible après montage) d'une plaque de parement. Cette découpe, dans certains cas, peut éventuellement être réalisée sur la face avant de la plaque, celle dans laquelle sont généralement réalisés les bords amincis.The description above relates to the preferred embodiment where the cut (and possibly the notch) is made on the rear face (not visible after mounting) of a facing plate. This cutting, in some cases, may possibly be performed on the front face of the plate, the one in which the thinned edges are generally made.

La présente invention concerne aussi les plaques de parement présentant un doublage, tel du PSE (PolyStyrène Expansé) par exemple. Dans une telle plaque, la découpe est réalisée à la fois dans le doublage et dans la feuille de carton adjacente, l'entaille étant quant à elle réalisée éventuellement dans l'âme de la plaque.The present invention also relates to facing plates having a doubling, such as EPS (PolyStyrene Expanded) for example. In such a plate, the cut is made both in the doubling and in the adjacent cardboard sheet, the notch being in turn made in the core of the plate.

Claims (12)

  1. Facing board, notably plaster board (2), having a core (4) disposed between two sheets (6, 8) of card, a single sheet (8) of card having a substantially straight cut (12) extending from one edge of the board to an opposite edge, characterised in that the core (4) of the facing board has a break (14) at the location of the cut (12).
  2. Facing board according to claim 1, characterised in that the core (4) has a nick at the location of the cut (12) over at least a part of the length of the latter.
  3. Facing board according to claim 2, characterised in that the nick is shallow and has a depth of the order of one millimetre.
  4. Facing board according to any one of claims 1 to 3, characterised in that the cut (12) is covered by a glue seal (22).
  5. Facing board according to any one of claims 1 to 4, characterised in that it is rectangular, in that it has two opposite thinned edges (10), and in that the cut (12) extends from one thinned edge (10) to the other thinned edge (10), perpendicularly to the latter.
  6. Facing board according to any one of claims 1 to 5, characterised in that one face of the facing board (2) covered with the sheet (8) of card is a plane face and in that the cut (12) is produced on that plane face.
  7. Facing board according to any one of claims 1 to 6, characterised in that the sheet (6) of card opposite the cut sheet (8) has a mass per unit area greater than 200 g/m2.
  8. Facing board according to any one of claims 1 to 7, characterised in that the core (4) has the break (14) throughout its thickness, and in that in the folded state the sheet (6) of card opposite the cut sheet (8) is folded at approximately 180° along the break (14).
  9. Facing board according to claim 8, characterised in that the break (14) is wrapped by a sheet (18) of paper, and in that the free edges of the board opposite the break (14) are wrapped by a sheet (18') of paper.
  10. Set of facing boards (2) according to claim 8, characterised in that the boards (2) are stacked one on the other.
  11. Set of boards according to claim 10, characterised in that the breaks (14) are disposed one above the other and in that they are wrapped by a sheet (18) of paper.
  12. Set of boards according to claim 11, characterised in that the board edges opposite the breaks (14) are wrapped by a sheet (18') of paper.
EP07823497A 2006-09-15 2007-09-12 Facing panel, in particular plasterboard panel Active EP2069585B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL07823497T PL2069585T3 (en) 2006-09-15 2007-09-12 Facing panel, in particular plasterboard panel

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0608077A FR2905965B1 (en) 2006-09-15 2006-09-15 IMPROVEMENT CONCERNING A PLATING PLATE, IN PARTICULAR A PLATE OF PLASTER.
PCT/FR2007/001470 WO2008031941A1 (en) 2006-09-15 2007-09-12 Improvement relating to a facing panel, in particular a plasterboard panel

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EP2069585B1 true EP2069585B1 (en) 2010-08-18

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EP (1) EP2069585B1 (en)
AT (1) ATE478209T1 (en)
AU (1) AU2007296094B2 (en)
CA (1) CA2667317C (en)
DE (1) DE602007008592D1 (en)
ES (1) ES2351070T3 (en)
FR (1) FR2905965B1 (en)
NZ (1) NZ576022A (en)
PL (1) PL2069585T3 (en)
PT (1) PT2069585E (en)
WO (1) WO2008031941A1 (en)

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US10689846B2 (en) * 2016-09-09 2020-06-23 United States Gypsum Company Shaftwall system using folded panels, and panel
CA3182566A1 (en) * 2017-09-26 2019-04-04 Certainteed Gypsum, Inc. Plaster boards having internal layers and methods for making them
CN111433421B (en) 2017-09-28 2022-02-15 瑟登帝石膏公司 Plasterboard and preparation method thereof
JP7323180B2 (en) * 2017-12-20 2023-08-08 吉野石膏株式会社 gypsum board

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US1330347A (en) * 1917-12-03 1920-02-10 Alfonso A Richardson Building construction
FR2376272A1 (en) * 1977-01-03 1978-07-28 Douglass James Flat plaster board building panel - has V-section grooves whose surfaces are coated with adhesive to allow folding and fixing of spacer flanges
DE2718322A1 (en) * 1977-04-25 1978-10-26 Hoechst Ag PLASTER BOARD
DE8119141U1 (en) * 1981-07-01 1981-11-26 J. & Otto Krebber GmbH & Co KG, 4200 Oberhausen COMPOSITE INSULATION PANEL
US5390458A (en) * 1993-05-20 1995-02-21 National Gypsum Company Wallboard protective edge tape for mounting board
IT234379Y1 (en) * 1994-01-12 2000-03-09 Toscopan S R L PREFABRICATED ELEMENTS IN PLASTERBOARD FOR THE REALIZATION OF TECHNICAL, ARCHITECTURAL AND DECORATIVE DETAILS
BE1010816A3 (en) * 1996-12-19 1999-02-02 Jansen Products Naamloze Venno CORNER CONSTRUCTION plasterboard OR THE LIKE AND METHOD FOR REALIZE ANY SUCH AREA CONSTRUCTION AND ACCESSORIES ARE HEREBY USED.
DE29825125U1 (en) * 1998-03-06 2005-03-24 Vogl Erich R Construction plasterboard for corner structures
SE9900848L (en) * 1999-03-10 2000-09-11 Bpb Gyproc Nordic East Ab Plasterboard and methods for its preparation
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FR2839275B1 (en) * 2002-05-02 2004-06-04 Lafarge Platres METHOD AND DEVICE FOR MANUFACTURING PLASTERBOARDS HAVING FOUR THIN EDGES
DE20207222U1 (en) * 2002-05-07 2002-10-02 Lehbrink Gmbh & Co Kg Maschine Articulated plate elements
DE10241223A1 (en) * 2002-09-06 2004-04-01 Inbau Bausysteme Gmbh & Co. Kg Plasterboard with outer cardboard or paper layers bounding a plaster layer is provided with a groove incorporating connecting and reinforcing elements
US20060035052A1 (en) * 2002-10-28 2006-02-16 Shih Chia S Reinforced paper product and method for making same

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US20100255243A1 (en) 2010-10-07
FR2905965A1 (en) 2008-03-21
AU2007296094B2 (en) 2013-12-19
CA2667317A1 (en) 2008-03-20
WO2008031941A1 (en) 2008-03-20
FR2905965B1 (en) 2013-11-29
NZ576022A (en) 2011-06-30
ES2351070T3 (en) 2011-01-31
ATE478209T1 (en) 2010-09-15
DE602007008592D1 (en) 2010-09-30
PT2069585E (en) 2010-11-25
EP2069585A1 (en) 2009-06-17
PL2069585T3 (en) 2011-02-28
CA2667317C (en) 2016-02-02
AU2007296094A1 (en) 2008-03-20

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