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
• • 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
  • B28B11/00—Apparatus or processes for treating or working the shaped or preshaped articles
  • B28B11/08—Apparatus or processes for treating or working the shaped or preshaped articles for reshaping the surface, e.g. smoothing, roughening, corrugating, making screw-threads
• • 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
  • B28B11/00—Apparatus or processes for treating or working the shaped or preshaped articles
  • B28B11/08—Apparatus or processes for treating or working the shaped or preshaped articles for reshaping the surface, e.g. smoothing, roughening, corrugating, making screw-threads
  • B28B11/0863—Apparatus or processes for treating or working the shaped or preshaped articles for reshaping the surface, e.g. smoothing, roughening, corrugating, making screw-threads for profiling, e.g. making grooves
• • 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
  • B28B11/00—Apparatus or processes for treating or working the shaped or preshaped articles
  • B28B11/14—Apparatus or processes for treating or working the shaped or preshaped articles for dividing shaped articles by cutting
  • B28B11/16—Apparatus or processes for treating or working the shaped or preshaped articles for dividing shaped articles by cutting for extrusion or for materials supplied in long webs
• • 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
  • B28B11/00—Apparatus or processes for treating or working the shaped or preshaped articles
  • B28B11/14—Apparatus or processes for treating or working the shaped or preshaped articles for dividing shaped articles by cutting
  • B28B11/16—Apparatus or processes for treating or working the shaped or preshaped articles for dividing shaped articles by cutting for extrusion or for materials supplied in long webs
  • B28B11/166—Apparatus or processes for treating or working the shaped or preshaped articles for dividing shaped articles by cutting for extrusion or for materials supplied in long webs with devices for determining the correct cutting moment, e.g. measuring rollers or the like
• • 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
• • 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
  • B28B19/0092—Machines or methods for applying the material to surfaces to form a permanent layer thereon to webs, sheets or the like, e.g. of paper, cardboard
• • 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
• • 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
  • Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
  • Y10T156/10—Methods of surface bonding and/or assembly therefor
  • Y10T156/1002—Methods of surface bonding and/or assembly therefor with permanent bending or reshaping or surface deformation of self sustaining lamina
  • Y10T156/1039—Surface deformation only of sandwich or lamina [e.g., embossed panels]
  • Y10T156/1041—Subsequent to lamination
• • 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
  • Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
  • Y10T156/12—Surface bonding means and/or assembly means with cutting, punching, piercing, severing or tearing
• • 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.]
  • Y10T428/24777—Edge feature

Definitions

• HYDRAULIC BINDER PLATES WITH TINNED EDGES METHOD FOR MANUFACTURING HYDRAULIC BINDER PLATES AND LINE FOR PRODUCING SUCH PLATES, AND METHOD FOR CONSTRUCTING SECOND WORK
• the invention relates to a method for manufacturing plates based on hydraulic binder and a production line for plates based on hydraulic binder using this apparatus.
• the invention also relates to a new plasterboard having a particular geometry.
• US Patent No. 4,781,558 describes an apparatus for the manufacture of plasterboard with recesses. It therefore proposes to produce, on a preform intended to be cut to give plasterboard, recesses by means of a drum 34 comprising bumps 36 (see in particular Figure 1 of this patent). The depth of the hollows is therefore determined by the size of the bumps. Thus, to change the depth and / or the shape of these recesses, the drum 34 should be replaced by another drum having bumps of different size and / or shape (s).
• impressions 51A, 51B are made in a preform intended to be cut to give plasterboard, by means (see in particular FIG. 1 and column 3, lines 29 to 43 of this patent ) of a band 20 rotating around two rollers 21 and comprising a protuberance 25. The preform is then cut in the middle of the indentations so as to produce plates with thinned ends or transverse thinned edges.
• impressions are made in a preform intended to be cut to give plasterboard, by means (see in particular Figures 1 and 1) of a strip 20 having a plurality of protrusions 23 38. In one embodiment, impressions are made on both sides of the plate at the same time. In this case too, to change the dimensions and / or the shape of the imprints, it would be necessary to replace the strip 20 by another strip having protuberances of different size and / or shape (s).
• the invention aims to solve the problem of making imprints in a preform while offering the possibility of easily and quickly changing the size and / or the shape of these imprints.
• the invention also aims to solve the problem of making impressions in a preform, according to a method generally of the type described in American patent n ° 2 991 824, allowing the realization of thinned ends or transverse thinned edges so satisfactory.
• the invention therefore provides a new hydraulic binder plate with a facing on each of its faces, comprising on one face two first parallel thinned edges (10) and on the other face two other thinned ends or parallel transverse thinned edges (25a). perpendicular to the first.
• the invention also provides a new plate by hydraulic bonding with a facing on each of its faces, comprising on one face two first parallel thinned edges (10) and either on the same face or on the other face two second parallel thinned edges ( 25a) perpendicular to the first, said other parallel thinned edges (25a) having a width of between 100 and 200mm.
• the invention also provides a new plate by hydraulic binder with a facing on each of its faces, comprising on one face two first parallel thinned edges (10) and either on the same face or on the other face two second parallel thinned edges ( 25bis) pe ⁇ endicular to the first, said second parallel tapered edges (25bis) having a width such that the width ratio of said second parallel tapered edges (25bis) to the width of said first parallel tapered edges (10) is between 1.5 and 5.
• L also provides a method of constructing a finishing work using this plate, as well as a method and a device for manufacturing this plate.
• the invention also provides a method and devices for manufacturing hydraulic binder plates having four thinned edges on the same face.
• the invention uses in particular an apparatus for producing an imprint or reservation on a preform based on hydraulic binder.
• This device therefore comprises at least: - a frame; - two first pulleys supported at a first end of the frame and two second pulleys at a second end of the frame; the first pulleys and second pulleys being in parallel planes; the pulleys facing each other being identical; - two transmission belts respectively surrounding the first pulleys and the second pulleys; - At least one wire removably attached to the belts and extending between these belts, so that its longitudinal axis is parallel to the axis of rotation of the pulleys.
• the invention also relates to a method of manufacturing a plate based on hydraulic binder from a preform intended to be cut, this method comprising a step during which one carries out, by means of an apparatus according to the invention, an imprint in the preform.
• the invention further relates to a production line for plates based on hydraulic binder from a preform comprising a facing material covered with a composition of hydraulic binder and supported by a conveyor belt.
• FIG. 1 shows schematically and in perspective, the apparatus according to invention
• - Figure 2 shows schematically and in section the assembly of a wire on a chain link
• - Figure 3 shows schematically a wire clamp axis
• - Figure 4 shows schematically and in top view a support piece mounted on a chain link
• - Figure 5 shows schematically the support piece of Figure 4 in front view
• - Figure 6 schematically shows a step in a method of manufacturing plates based on hydraulic binder
• FIG. 7 schematically represents another step of a method for manufacturing plates based on hydraulic binder
• FIG. 8 represents a plate which can be obtained with the method according to the invention
• FIG. 9 shows another plate which can be obtained with the method according to the invention
• FIG. 10 illustrates an optional intermediate stage of a method for manufacturing plates based on hydraulic binder
• FIG. 11 shows schematically and in perspective, part of the production line for sheets based on hydraulic binder
• Figure 12 shows schematically and in top view, a device for the introduction of slats in a preform based on hydraulic binder
• Figure 13 shows schematically and in "side view, the device of Figure 12
• Figure 14 shows schematically and in side view a variant of the device of Figure 12
• Figure 15 shows schematically and in section, a detail of the device of FIG.
• FIG. 12 illustrating the introduction of a slat under a preform based on hydraulic binder
• FIG. 16 schematically represents part of a production line for plates based on hydraulic binder according to the invention
• FIG. 17 schematically represents a secondary forming device
• FIG. 18 schematically represents a variant of a secondary forming device
• FIG. 19 schematically represents a plate in hydraulic binder according to the invention
• FIG. 20 schematically represents the plate of FIG. 19 with a change of position of the faces.
• FIG. 21 schematically represents a plate in hydraulic binder according to the invention sel there is a second embodiment
• FIG. 22 schematically shows in section a thinned edge of a plate according to the invention
• FIGS. 23A and 23B represent a diagram of the "turning over" of the thinned edges of a plate according to a first embodiment
• FIGS. 24A, 24B and 24C represent a diagram of mounting plates with four thinned edges according to the prior art
• FIGS. 25A, 25B and 25C represent a diagram of mounting plates with four thinned edges according to the invention.
• DETAILED PRESENTATION OF THE INVENTION APPARATUS ACCORDING TO THE INVENTION is shown diagrammatically in FIG. 1. It comprises a frame 101 which is in the shape of an H, but to which the person skilled in the art could easily give many other forms.
• first pulleys 102 and 103 On this frame 101 are supported, at a first end 104, two first pulleys 102 and 103 and, at a second end 107, two second pulleys 105 and 106.
• the first pulleys 102,103 are in a foreground, the second pulleys 105,106 in a second plane and the first plane is parallel to the second plane.
• the pulley 102 and the pulley 105 are of the same dimension and located one opposite the other.
• the pulley 103 and the pulley 106 are also of the same dimension and located one opposite the other.
• the pulleys 102, 103, 105 and 106 can turn on themselves.
• a first transmission belt 10O surrounds the first pulleys 102,103 and a second transmission belt 109 surrounds the second pulleys 105,106.
• the transmission belts 108 and 109 are identical. They are connected to each other by at least one wire 111. This wire 111 is removably attached to the first and second belts
• the pulley 102 drives the transmission belt 108 which itself drives the other pulley situated in the same plane as it (the pulley 103) as well as the form means elongated 110.
• the latter then moves along the defined path, on the one hand, by the loop constituted by the belt 108 and, on the other hand, as it is connected to the second belt 109, also by the loop constituted by this last.
• the symmetry of the apparatus according to the invention therefore allows the axis of the wire 111 to move along an ellipse, its axis remaining constantly parallel to that of the pulleys.
• the apparatus may also comprise means for driving in rotation one at least of the pulleys. These means can possibly drive two pulleys by means of the shaft on which they are mounted.
• the wire 111 generally has a cylindrical shape, but it can take a large number of shapes among which mention may be made of parallelepipedic, prismatic shapes, the shape of a plate, etc. It can be fixed for example by screwing on the transmission belts so that it can be unscrewed and easily replaced by another means of elongated shape. According to a preferred embodiment of the invention, several wires 111 are arranged parallel to each other, along the transmission belts 108 and 109 (see Figure 1) and fixed in a removable manner.
• the pulleys are preferably toothed wheels and the transmission belts of the chains can cooperate with these toothed wheels.
• the wires can then be fixed as illustrated in FIG. 2.
• FIG. 2 one can see a wire 111 held on a chain link 112 by means of a support piece 113 and a wire clamp axis 114. The latter replaces, in the chain link 112, one of the roller carrying axes conventionally used.
• the wire clamp axis 114 is shown in detail in FIG. 3.
• a threaded end 115 - a generally cylindrical and smooth part 116, capable of being introduced into the roller of the chain link 112 with a view to replacing the roller-holder axis conventionally used, a smooth part also generally cylindrical and smooth 117, of diameter generally greater than that of the part 116 and capable of being introduced into the bore 118 of the support part 113 ( see Figures 4 and 5), - a head 119, and - a central bore 120 generally machined from the head 119, which can extend to the part 116 and intended to receive the wire 111.
• the support piece 113 is visible in Figures 2,4 and 5.
• the apparatus according to the invention can be used, in a line for producing plates based on hydraulic binder from a preform 5 comprising a facing material 1 covered with a composition of hydraulic binder 2 and supported by a conveyor belt 7. So that the device according to the invention can be used optimally on the production line of plates based on hydraulic binder, the distance between the transmission belts of this device is at least equal to the width of the preform
• the 32 also consists of an inclined surface 33 provided with a rim 34 at its lower part. It further comprises a stop 35 at its end opposite to the jack 31, this stop being generally made up of a pneumatic shock absorber and being intended to stop the movement of the slat propelled by the jack 31.
• the flange 34 is provided with openings 36 in front of which are arranged two jacks 37 oriented so as to propel the batten positioned on the second inclined plane 32 upwards of the inclined surface 33.
• the first inclined plane 27 and the second inclined plane 32 are supported by feet, , respectively 38 and 39. According to a variant visible in FIG.
• This preform 5 is obtained in a known manner by introduction of the hydraulic binder paste according to arrow E between the first facing material 2 and the second facing material 3 and passage of the assembly between the upper trays 214 and lower 215 for forming the apparatus.
• the distance between the toothed wheels 201,202,203,204 and their symmetrical wheels is at least equal to that of the preform 5 so that these toothed wheels do not touch this preform 5.
• the frame 205 of the device according to the invention can, as can be seen from FIG. 16, be secured to the plates 214 and 215. It follows that the device according to the invention can be used instead of a forming plate or a master roll that is conventionally used.
• the transverse thinned edges which are on the side of the plate not visible to the installer, are "turned over” or “reassembled” under the effect of fixing by screws, nails or the like, because this plate area is tightened on the frame. In doing so, they then release a thinned edge on the same side of the plate as the longitudinal thinned edges (or thinned edges). Thin edges are then obtained at each level of joining of the plates.
• the transverse thinned edges (25a), namely those which are on the side of the gray facing are identified by a specific marking on the side of the cream facing so that the user (the plasterer who mounts the partition) knows that it has thinned edges on the gray facing side.
• the user the plasterer who mounts the partition
• the marking of these ammcis can take any suitable form, such as a repeated pattern.
• This marking is present on the cream side and identifies the transverse thinned edge intended to be matched with a transverse edge of the same nature of a second plate according to the invention.
• This marking also makes it possible to identify the width of the transverse thinning (25a) and to adapt the joint treatment accordingly, in particular by using a tool or spatula of appropriate size.
• the plasterer can simply lay the plaster, in particular finishing, at the only level of the marks and be guided by them.
• the marking may include repeated marks. Insofar as the valley formed by the thinned edges (25a) is obtained by "turning" during step (b), it is preferable to use a sufficient number of screws to ensure this turning over easily.
• the number of marks will then correspond to the number of screws to be used.
• the plates with the marking are made as above, with the difference that the facing paper is printed before receiving the paste. You can print in situ or use a reel of paper already printed.
• the production line then includes appropriate printing means.
• the subject of the invention is also a new plate based on hydraulic binder with four thinned edges and a process for construction of the finishing work using this plate.
• This plate does not have the drawbacks during their assembly, which are generally associated with plates with conventional 4 thinned edges, as indicated below.
• Plasterboard is known.
• such plates include two longitudinal tapered edges. When the plates abut at the transverse edges, there is necessarily an additional thickness at the joint.
• a first technique consists in shifting the rail of the framework by approximately 2mm in order to create the equivalent of a thinned.
• this technique is difficult to implement given the differences that necessarily occur.
• Another technique which has been proposed consists in using plates with four thinned edges. Many documents describe their preparation. These plates have in common the presentation of four tapered edges, longitudinal and transverse, so that joints using a plaster can be formed on the four sides. To date, all the plates have thinned edges that are substantially similar in terms of dimensions, the width and depth of the thinnings being substantially identical for the four edges. Although the use of four thinned edges has certain advantages, there are still disadvantages.
• the thinned edge has a width generally between 40 and 80mm, typically 60mm; both current standards and practice impose these values.
• the tool used to apply the tape bonding coating (when one is used) and the plugging coating has a width generally greater than 120 mm, which necessarily causes extra thickness at the intersection of the joints during the application of the coating on the transverse joints, thus reducing the attractiveness of the plates with four thinned edges, already penalized by their higher cost.
• US-P-4397123 describes a plate according to two embodiments. According to the first embodiment, the plate ends comprise a removable part, which after removal of the latter gives an edge in the form of a slot. This niche, once in place, is "turned over" to form a valley intended to receive the coating.
• FIG. 19 represents a plate according to a first embodiment.
• the plate traditionally comprises a hydraulic binder, generally plaster, between two facings.
• the facing materials may consist of sheets of paper or cardboard, venetian mats or any material known to those skilled in the art as being able to serve as facing material.
• the plate comprises on one face two first parallel thinned edges (10) and on the other face two other, second, parallel thinned edges (25a) perpendicular to the first.
• the thinnings are placed on each side of the plate, in an opposite manner (the thinnings on the edge are on the cream facing side (10) while the end thins are on the other side, on the "gray" side (25a)).
• the depth of the thinned is generally between 0.5 and 4mm, preferably between 0.5 and 3mm, more preferably between 0.6 and 2.5mm, or even between 0.6 and 1.8mm, advantageously between 0 , 8 and 1.8mm or 0.5 and 1.5mm.
• the width of the second thinnings (25bis) is here specific in the embodiment of the invention, and in general between 100 and 200mm, preferably between 120 and 180mm or between 150 and 200mm or between 100 and 150mm.
• the first longitudinal thinnings have a depth of substantially the same size, while their width is substantially smaller, for example between 40 and 80mm.
• the ratio of the widths between second transverse thinnings and first longitudinal thinnings is generally between 1.5 and 5, preferably between 2 and 4.
• the plate also comprises two third thinned edges (25ter) parallel to the second thinned edges (25bis), on the other face of the plate.
• the dimensions are given again here, namely: X thickness of the plate conventionally between 6 and 25mm; Y width of thinned T between 100 and 200mm, preferably between 120 and 180mm or between 150 and 200mm as above; Z '(for example depth of the second thinnings 25bis) and Z "(for example depth of the third thinnings 25ter) such that Z' + Z" is between 0.5 and 4mm, preferably between 0.5 and 3mm, more preferably between 0.6 and 2.5mm, or even between 0.6 and 1.8mm, advantageously between 0.8 and 1.8mm or 0.5 and 1.5mm.
• the ratio of the values Z 'and Z "or Z': Z" is for example between 1 and 10, preferably between 2 and 5.
• the presence of these thinnings on each side offers an additional advantage.
• the thinned edges (25bis) are present on the side opposite the thinned edges (10), during installation, they are "turned over”, as indicated above. It then forms a bend with a relatively large radius of curvature.
• the presence of the thinned edges (25ter) makes it possible to better delimit the final valley formed by the inversion of the thinned edges (25bis).
• We obtain a true valley of the same type as that formed by traditional thinnings namely substantially shaped according to an isosceles triangle). This allows optimal treatment of the joint without excessive consumption of plaster and with perfect flatness.
• the construction process for the finishing work comprises the following steps: a) the plates according to the invention are placed (for example as shown in the figure 19 or 21) on a frame, the plates being abutted at the thinned edges; b) the plates are fixed to the frame at the ammcis edges; c) the plates are assembled together with at least one sealing coating; and optionally d) the joints are finished with an additional finishing coating.
• the present process can use a tape bonding coating or not; it is in fact possible to use a strip, for example a strip of paper, made of venetian fiber fabric, self-adhesive or not.
• FIGS. 23A and 23B Thin edges are then obtained at each level of joining of the plates. This is illustrated in FIGS. 23A and 23B, in which the armature (430) receives the transverse thinned edges (25bis), which are "turned over” or “reassembled” under the effect of fixing by screws, nails or the like (identified by the reference (431) in the figures).
• step b) is the conventional step during installation.
• the invention offers a particular advantage over the plates known from the prior art with four thinned edges. This advantage will be more apparent from the figures which follow.
• FIGS. 24A, 24B and 24C represent the installation diagram with plates with four conventional thinned edges.
• FIG. 24A, 24B and 24C represent the installation diagram with plates with four conventional thinned edges.
• the plates according to the invention offer yet another advantage. Insofar as the first, second, or the two thinned edges are larger, it is possible to use larger amounts of coating (for a greater thickness), in particular of capping. Thus, during a possible sanding, there is less risk of seeing the band appear (by the presence of lint or by its visible spectrum through the coating).
• a marking can be used. It is also possible to insert the marking for a plate in which the thinned edge of wide width is on the same side as the other thinned edges, in particular when the depth is small and makes the identification of said thinned edge difficult.

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• Engineering & Computer Science (AREA)
• Structural Engineering (AREA)
• Chemical & Material Sciences (AREA)
• Ceramic Engineering (AREA)
• Mechanical Engineering (AREA)
• Architecture (AREA)
• Civil Engineering (AREA)
• Producing Shaped Articles From Materials (AREA)
• Press-Shaping Or Shaping Using Conveyers (AREA)
• Devices For Post-Treatments, Processing, Supply, Discharge, And Other Processes (AREA)
• Finishing Walls (AREA)
• Dry Formation Of Fiberboard And The Like (AREA)
• Laminated Bodies (AREA)
• Treatment Of Fiber Materials (AREA)
• Sheet Holders (AREA)
• Panels For Use In Building Construction (AREA)

Priority Applications (1)

Applications Claiming Priority (5)

Publications (1)

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Family Applications (1)

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Family Cites Families (73)

• 2004
  • 2004-05-21 IT IT000335A patent/ITTO20040335A1/it unknown
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  • 2004-05-21 JP JP2006524382A patent/JP2007503334A/ja active Pending
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  • 2004-05-21 WO PCT/FR2004/001265 patent/WO2005028171A2/fr active Search and Examination
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  • 2004-05-21 RU RU2006109198/03A patent/RU2354551C2/ru active
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  • 2004-12-22 ZA ZA2004/10319A patent/ZA200410319B/en unknown
• 2005
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• 2006
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  • 2006-03-23 NO NO20061336A patent/NO20061336L/no not_active Application Discontinuation
• 2009
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• 2010
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