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
  • E04C2/38—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 with attached ribs, flanges, or the like, e.g. framed panels
• • 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
  • E04C2/38—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 with attached ribs, flanges, or the like, e.g. framed panels
  • E04C2/384—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 with attached ribs, flanges, or the like, e.g. framed panels with a metal frame
• • 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
  • E04C2/26—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups
• • 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
  • E04C2/26—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups
  • E04C2/284—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups at least one of the materials being insulating
  • E04C2/296—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups at least one of the materials being insulating composed of insulating material and non-metallic or unspecified sheet-material
• • 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
  • E04C2/44—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the purpose
  • E04C2/52—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the purpose with special adaptations for auxiliary purposes, e.g. serving for locating conduits
• • 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
  • Y10T29/00—Metal working
  • Y10T29/49—Method of mechanical manufacture
  • Y10T29/49616—Structural member making
  • Y10T29/49623—Static structure, e.g., a building component
  • Y10T29/49629—Panel

Definitions

• the present invention relates to a composite panel for producing a wall of a building.
• the outer walls of buildings, and in particular buildings such as single-family houses, are traditionally made of concrete block walls assembled and maintained by cement.
• This conventional construction technique has the disadvantage of requiring a large workforce and to appeal to several trades, which has disadvantages in terms of time of mounting such walls but also costs.
• the object of the present invention is to overcome these disadvantages by proposing building wall elements that can be assembled easily, while having mechanical properties adapted to all the constraints imposed on buildings.
• the subject of the invention is a composite panel for producing a wall of a building comprising an outer facing plate, an inner wall plate and a holding structure disposed between the outer facing plate and the outer wall plate.
• inner wall plate, the holding structure of which is at least partially embedded in polymer foam.
• the panel of the invention may also include the following optional features, taken alone or in combination:
• the polymer foam is polyurethane foam having a density greater than 30 kg / m 3 .
• At least one mineral wool panel is housed in the holding structure.
• the holding structure comprises a metal frame comprising at least two lateral uprights, a top rail and a bottom rail.
• the lateral uprights consist of two C-sections which are placed side by side in different orientations relative to each other.
• the two C-sections each comprise a bottom connecting two parallel lateral wings and are arranged perpendicularly with respect to each other so that a side wing of one of the profiles is contiguous to the bottom of the other section.
• the holding structure comprises a central amount.
• the central amount is made of two C-shaped profiles back-to-back.
• a mineral wool panel is disposed in the volume defined by the holding structure, the ends of this panel being housed in the bottom of two C-sections facing two adjacent uprights.
• the upper and lower cross members consist of U-shaped profiles from covering the free ends of the lateral uprights.
• the U-shaped profile which constitutes the lower cross member comprises a bottom which has a longitudinal rib extending over the entire length of the profile.
• the frame includes a bracing.
• bracing is a cross of saint andré.
• the bracing is a metal plate integral with the at least lateral uprights.
• the metal plate is also integral with the central pillar.
• the inner wall plate comprises an outer plasterboard.
• the inner wall plate comprises a vapor impermeable membrane contiguous or secured to the inner or outer face of the outer plasterboard.
• the panel comprises cable passage means inside said panel.
• the panel comprises a cable duct extending over the height of the panel and located near the external plasterboard so as to make its easy access for the passage of cables.
• the chute is incorporated in the holding structure extending from the bottom of the U-shaped section of the lower cross member to the bottom of the U-profile of the upper cross member the upper and lower rails having openings for access to inside the chute for the passage of cables.
• the panel comprises means for holding the finishing plate at a distance from the outer wall plate of the side opposite of the holding structure, so as to define a volume of passage of the cables between these two plates.
• the holding means are spacers made of C-sections whose C-branches are secured respectively to the finishing plate and to the outer wall plate.
• At least one mineral wool panel is disposed in the passage volume of the cables between the finishing plate and the outer wall plate, the ends of this panel being housed in the bottom of two adjacent C-sections. a layer of rockwool is adhered to the outer facing plate.
• the panel comprises two lateral fields, and at least one of these two fields is shaped so as to cooperate with the lateral field of an adjacent panel conformably shaped.
• at least one of the two lateral fields comprises a tongue of fire-resistant material extending along a lateral edge of the external plasterboard being disposed against the inner wall of this plasterboard and in extending beyond this side edge so that when the side field of the panel cooperates with the complementary side field of an adjacent panel, the plaster tongue overlies the junction line between the respective outer plasterboard of the adjacent panels.
• At least one side field is constituted by polymer foam sandwiched between the outer facing plate and the inner wall plate.
• the external plasterboard comprises on its outer face at least one strip of lesser thickness towards the inside of the panel extending over the entire height of the plasterboard along a side edge.
• the outer facing extends laterally beyond the holding structure and the inner wall plate, over a distance adapted to cover the lateral field of a adjacent panel disposed perpendicular to the composite panel, the outer face being covered on the inner face of shaped polymer foam to cooperate in a complementary manner with the side field of the adjacent panel.
• the outer facing plate extends downward beyond the lower edge of the holding structure, so as to form a covering skirt.
• the outer facing plate is a metal facing plate, such as a lacquered galvanized steel facing plate,
• the invention also relates to a method for manufacturing a composite panel defined above which comprises at least the following steps: in a molding frame, at least one inner wall plate is provided on which is fixed or secured a holding structure, has lateral crosspieces of complementary shapes to those of the lateral fields of the panel to be manufactured, it has the shims of polymer foam placed on the inner wall plate or the support structure has an outer facing panel placed on the foam blocks of so that said outer cladding panel is at a distance from the holding structure is introduced the assembly thus formed in a shaper, hot injected polymer foam, and the panel is removed after cooling.
• FIG. 1 is a perspective view of a composite panel for producing a building wall element.
• FIG. 2 is a perspective view in partial section of the panel of Figure 1 according to a first embodiment.
• FIG. 3 is a perspective view of the holding armature of the panel of FIG. 2 comprising a cable gutter.
• FIG. 4 is an enlarged perspective view of the upper part of the panel of FIG. 1.
• FIG. 5 is an enlarged perspective view of the lower part of the panel of FIG. 1.
• - Figure 6 is a perspective sectional view of a second embodiment of a composite panel for producing a wall of a building.
• FIG. 7 is a perspective view in partial section of a variant of the second embodiment of a composite panel for the manufacture of a wall of a building.
• FIG. 8 is an exploded perspective view of the upper part of a composite panel of the invention according to a third embodiment.
• FIG. 9 is a sectional view of the panel of Figure 8.
• Figures 10 to 16 show side fields and different assemblies between composite panels according to any one of the first two embodiments.
• the lateral fields and the assemblies shown are transposable to the panel of the third embodiment.
• Figure 10 is a schematic view of the shape of a female side field of a composite panel
• Figure 11 is a schematic view of the shape of a male side field of a composite panel.
• - Figure 12 is a schematic view of a female corner field of a composite panel adapted to assemble perpendicularly two adjacent panels.
• - Figure 13 is a schematic view of a male corner field of a composite panel adapted to assemble perpendicularly two adjacent panels.
• - Figure 14 is a schematic view of the field of a composite panel adapted to implement the frame elements.
• - Figure 15 shows in section the assembly of two adjacent panels arranged in the extension of one another.
• FIG. 16 schematically shows in section the assembly of two adjacent panels arranged perpendicular to one another.
• the composite panel generally indicated by 1 in FIG. 1, of generally rectangular shape, consists of an outer facing plate 2, an inner wall plate 3 and a support structure marked generally by 4 and arranged between the outer cladding plate 2 and the inner wall plate 3.
• the outer facing plate 2 is for example a lacquered or prepainted galvanized steel plate with a thickness of, for example, between 0.5 mm and 1.5 mm. Such a lacquered metal facing plate is known in itself.
• the inner wall plate 3 is, as is best seen in Figure 2, constituted, for the outer portion, an outer plasterboard 31 whose thickness is for example between 10mm and 25mm.
• This gypsum board is either a normal plasterboard, a gypsum plasterboard or a hydrophobic plasterboard.
• the holding structure 4 is a metal frame comprising two vertical uprights 43 and 44 connected to the upper part by an upper upright 41, and to the lower part by a lower upright 42.
• This metal frame comprises a bracing 45 consists of two tie rods 451 and 452 arranged in a cross. This bracing is not essential.
• the upper cross member 41 of the metal frame consists of a U-shaped section.
• the lower cross member 42 is also constituted by a U-shaped section whose bottom comprises a longitudinal rib 421 extending over the entire length of the profile. This rib is intended to ensure proper centering and maintenance of the bottom of the panel on a support structure which may consist of a U-section section whose bottom also has a longitudinal rib of suitable shape This support structure of the panel is not represented.
• Each of the uprights 43, 44 is constituted, as can be seen in FIG. 2 for an upright 44, from two C-section sections 441 and 442 which are placed longitudinally adjacent to one another and are oriented in perpendicular directions. so that the flange 4410 of the profile 441 is in contact abutment on the bottom 4420 of the section 442.
• the outermost section 441 has its opening which is oriented towards the outer facing plate 2
• the profile the innermost 442 has its opening oriented towards the inside of the panel, but other arrangements are possible.
• the various profiles and bracing members of the frame are for example made of galvanized steel or not, of thickness included preferably between 1, 5 and 3mm, and are assembled for example by spot welding.
• a chute 6 for the passage of cables is inserted into the holding frame.
• This chute consists of a rectangular section sheath 61 clamped in a U-section mechanical section 62 for providing protection of the sheath 61 which is made of polymer.
• the cable passage chute 6 opens at the upper part of the panel through the opening 411 provided on the upper face of the upper cross member 41, and at the bottom of the panel through the opening 422 provided in the side wall of the lower rail 42.
• the holding structure 4 is embedded in a polymer foam which is for example, and preferably, polyurethane foam which the density is preferably greater than 30 Kg / m 3 , and more preferably between 40 Kg / m 3 and 50 Kg / m 3 .
• the foam is chosen so that its coefficient ⁇ of thermal conductivity is less than 0.035 W / m 2 .K.
• the polyurethane foam, in which the holding structure is embedded comes into contact with the inner wall plate and in contact with the outer facing plate so that the inner facing and inner wall plates are adhered by this foam and thus constitute a panel whose different components are integral with each other.
• the mechanical strength of the panel is considerably increased over panels of identical shape but not comprising polymeric foam. Indeed, for a panel whose height is between 2 meters and 4 meters and the width between 900mm and 1 m50 for example and whose thickness is between 150mm and 300mm, the resistance to longitudinal compression forces allows it to take up a vertical load greater than 300 kN, while a panel whose frame is not embedded in foam, can take a distributed load of the order of 40 kN. Moreover, such panel can support a load distributed on its outer face of the order of
• the upper and lower edges of the panel, as well as the side edges have shapes adapted to allow the assembly of the panels in a structure.
• the upper cross member 41 i.e. the upper edge of the holding structure, extends upwardly beyond the upper edge 30 of the wall plate. 3 as well as beyond the upper edge of the outer facing plate 2.
• This arrangement allows interlocking in a suitable structure complementary shape of the shape of the upper cross member 4.
• the lower cross member 42 ie the lower edge of the holding structure, extends beyond the lower edge 31 of the inner facing plate 3, leaving a gap available 423 to have a transverse cable passage trough in which opens the opening 422 of connection with the cable duct integrated in the panel.
• the outer facing plate 2 extends downwardly beyond the lower cross member 42, that is to say the lower edge of the holding structure, so that to form a cover skirt 21 which allows for example to cover the edge of a lower support structure of the panel.
• the polymer foam has a slot 22 which extends over the entire width of the panel and which is adapted to receive for example the wing of a profile constituting a bearing structure of the lower face of the lower cross member 42 of the panel holding structure.
• this slot allows mounting and a good fixing of the panel on a wall element.
• the panel which has just been described comprises an inner wall plate consisting of a plasterboard.
• an inner wall plate 3 ' which comprises a gypsum board 31 and a layer of fibrous material such as glass wool or rock wool 33 which is preferably of high density so as to improve the sound insulation.
• a vapor impermeable membrane 32 also referred to as steam, is adhered to the inner face of the outer plasterboard.
• This membrane which is not essential, is for example made of an aluminum foil.
• the layer of fibrous material can have a thickness of between 10 and 50mm, each 10mm slice of glass wool or rock increasing the sound reduction value of 1 decibel.
• the chute 6 ' is no longer integrated into the frame in the holding structure 4 of the composite panel but is inserted inside the layer of fibrous material. Therefore, the top and bottom of the panel are adapted so that the chute opens into an area where it is possible to pass cables at a distance relatively close to the plasterboard.
• the two panels that have just been described, with or without fibrous material are well suited to the construction of housing wall for a single family. However, for the realization of homes intended to receive several families, that is to say comprising several adjacent habitats, it may be desirable to increase the properties including fire resistance of the walls.
• the inner wall plate 3 “comprises, as in the previous case, an outer gypsum board 31, an impermeable membrane 32, a layer of fibrous material into which a chute 6 is inserted, and finally an inner plasterboard 34 complementary.
• the fire performance has been evaluated and is of the order of 30 minutes for a standardized fire.
• the conductivity of the base panel ie without rock wool or glass, it is 0.248 W / m2.k.
• the plaster tongues 323, 323B intended to cover the junction lines of two adjacent panels in order to improve the fire resistance of a panel assembly are not necessarily plaster.
• These tongues may consist of any material having fire resistance properties at least equal to that of plaster, and of preferably, easier to implement than plaster.
• the tongues are fire-resistant tongues.
• the holding structure 4A comprises a metal frame comprising two lateral vertical uprights 43A, 43A 'and a central vertical upright 45A which are connected at their upper parts by an upper cross member 41A and a non-visible bottom rail in the figures.
• the central upright 45A consists of two profiles C 445A, 454A back contact back contact.
• the holding structure 4A also comprises a metal bracing plate 46A secured to the lateral vertical uprights 43A, 43A 'and the central vertical upright 45A for example by screwing.
• This metal bracing plate 46A is substantially flat and has at each of its ends a hook 47A, 47A 'so as to marry the hook formed by the joining of the profiles 441A, 442A; 441A ', 442A' lateral vertical uprights 43A, 43A '.
• This holding structure 4A is secured, for example by screwing, to a gypsum board 48A of the same nature as that of the first two embodiments, also comprising a tongue 481 A corresponding to the tongue 323 described above and thus constituting the plate of inner wall.
• the holding structure 4A is embedded in the polyurethane foam 49A also of the same kind as that described above, which comes into contact with the gypsum board 48A at the side edges of the panel 1AA.
• the polyurethane foam 49A On the opposite side to the plasterboard 48A, the polyurethane foam 49A, about 7 cm thick, is in contact with a layer of rockwool 5OA which is adhered to the outer facing plate 51 A.
• rockwool and polyurethane foam metal 58A protection at the upper and lower ends of the panel that protect the rock wool and increase the strength of the skirt.
• the cables do not pass in a chute but in a space provided between the plasterboard 48A integral with the holding structure 4A which is maintained at a distance from a plasterboard 54A finishing means of spacers 551A, 552A, 553A, 554A integral with the two gypsum boards 48A and 54A.
• spacers 551A, 552A, 553A, 554A each having the shape of a C
• two central spacers 552A, 553A are in contact back-to-back support and two lateral spacers 551A, 554A are each disposed at one end of plasterboard 48A and 54A. being directed to the central spreaders 552A, 553A.
• This configuration makes it possible to insert between two plasterboards 48A and 54A two glass wool panels 56A, 56A ', each end of which is housed in the bottom of two adjacent U-shaped spacers and facing each other.
• Each spacer 551A, 552A, 553A, 554A is asymmetrical in that the C-branch of each spacer which is against the gypsum board 48A integral with the holding structure 4A is longer than the integral branch of the gypsum board. finish 54A.
• This configuration makes it possible to screw in a single operation the spacers 551 A, 552A, 553A, 554A on the side of their longer leg, a vapor barrier plate 57A, and the gypsum board 48A to the holding structure 4A without being disturbed by the opposite branch of the spreaders.
• the cables can be inserted into the rockwool panels. If the position of the switch is not known before mounting, the cables will be dragged on site in the rockwool panels to the level desired. If the position of the switch is however known, the cables will be properly installed and can outlets in a space in the finished gypsum board 54A to receive a switch that will be mounted on site.
• the insertion of mineral wool panels in the holding structure is quite advantageous since it allows the functions specific to the mineral wool and the holding structure to be grouped together in a single volume, while participating in the mass-spring effect. -mass for sound resistance. This advantage is transposable to the insertion of the mineral wool panels between the spacers, the possibility of sliding the cables in the wool to be added to the other advantages.
• this holding structure has several advantages.
• poles confer vertical stability and their C shape allows the insertion of mineral wool board into the thickness of the holding structure with the previously mentioned advantages. Only lateral amounts and no central amount can be provided for this purpose. This would result in the presence of a single piece of rockwool.
• a metal plate provides this plate, in addition to the bracing function, an anti-burglary function.
• the vapor barrier plate 57 A participates in the counter-fence and the outer cladding plate 51 A also participates in the mechanical strength of the panel.
• the fire resistance is conferred mainly by the gypsum board 48A integral with the holding structure 4A and its firestop tab 481 A, the gypsum board 54A and the joint presence of the bonded 5OA rockwool layer. to the outer cladding plate 51 A (external fire performance) and the rock wool panels 52A, 52A 'and strips 53A, 53A' disposed in the holding structure 4A. Thermal insulation comes from polyurethane foam, panels
• the layer of rockwool 5OA bonded to the outer facing plate 51A is rigid enough to ensure the flatness of the outer facing plate 51A.
• the edges of the panels are shaped in a particular way.
• the lateral edges 12, 13; 59A, 59A 'of the panel of the invention are shaped to allow assemblies of adjacent panels.
• the fields of the panels are shaped to have either male or female shapes, and complementary to each other so that a male field of a panel can fit on a female field of a other panel.
• FIG. 10 there is shown a female field 12A of a panel which essentially comprises two grooves 121A and 122A extending over the entire height of the panel, the groove 121A being bordered by the inner wall plate
• the male field 13 B shown in FIG. 11, has ribs
• the panel comprises a plaster tongue 323 which extends over the entire height of the lateral edge of the corresponding external plasterboard 3 and which overflows laterally outward.
• This plaster tongue is intended to overlap the junction line of the inner wall plates of two adjacent panels. This covering is necessary to improve the fire resistance of these panels.
• a strip of smaller thickness 321 or 322 extends on the outer face of the panel, recessed towards the inside of the panel. This thin strip extending over the entire height of the plasterboard along a side edge is intended to receive a ribbon to hide the junction between two plasterboard adjacent panels.
• the panels may also include corner fields of the male or female type.
• FIG. 12 there is shown a female corner field 12B in which the outer facing plate 2, as well as the polymer foam covering it, extends outwardly beyond the edge 320 of the wall plate inside and the edge of the support structure 4 of the panel.
• Part 121 B of the outer facing plate and its polymeric foam coating which extends beyond the side edge of the inner wall plate has a face 122B facing inwardly of the panel which is shaped so to have a shape complementary to a male field of a panel as described above.
• this portion 121 B has grooves which extend over the entire height of the panel and which have the same shapes as those of the grooves of the female fields described above.
• a panel may also comprise a male corner field 13A in which the exterior facing plate 2 and its polymer foam coating extend laterally. beyond the side edge 330 of the inner wall plate 3.
• This portion 131A of the outer cladding board and its covering extending beyond the edge of the inner wall plate has an inner face 132A which is shaped so as to be complementary to a female field as described above.
• the exterior facing plates extending beyond the side edge of the inner wall plate extend laterally over suitable distances to cover the field of view.
• an adjacent panel disposed perpendicularly to the composite panel.
• Figure 15 there is shown in section the junction between two panels
• the panel 1A and 1B arranged in the extension of one another and in the same plane, the panel 1A having a female field 12A and the panel 1B having a male field 12B.
• the male and female fields 12B and 12A are complementary so that they fit into each other.
• the connecting line 324 between these two panels is covered by the plaster tongue 323B provided on the side of the field male 12B of panel 1 B.
• this connecting line is camouflaged by a camouflage strip 325 inserted or glued into the groove formed by the two smaller areas 321 A and 322B provided on the edges of the plasterboard plates inner wall of the two panels 1 A and 1 B.
• FIG. 16 there is shown a corner assembly of a panel 1 'A having a female type field 12A and fitting into a male-type corner field 13B of a panel 1' B.
• the two inner wall plates 3'A and 3'B come into contact with each other.
• this corner assembly panels perpendicular to each other can be done also with a panel having a male field and a panel having a female corner field, the male field of one of the panels then s nest in the female corner field of the other panel.
• the panel may comprise a straight field 13C whose surface is flat and which is intended to receive frame elements that can be placed against this field and which can be fixed on this field. by various means such as screws or glue.
• the general principle of manufacturing a composite panel of the invention is as follows.
• a molding frame at least the inner plasterboard on which is placed or has previously secured the holding structure is arranged.
• this same frame there are lateral crosspieces of complementary shapes to those of the lateral fields of the panel to be manufactured.
• Polymeric foam shims are positioned on the holding structure 4A or on the plasterboard in the case of the first two embodiments and the outer facing panel is placed on the foam shims.
• the assembly thus formed is introduced into a shaper, hot polymer foam is injected and the panel is demolded after cooling.
• the spacers, the steam plate and the external plasterboard are all three secured in a single screwing operation to the holding structure 4A and more particularly to four of the profiles of this holding structure.
• the glass wool panels are disposed between the spacers and the finished gypsum board on at least one of the spacers.
• This assembly is then placed in the molding frame and the molding operation is performed as previously described.

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• 2008
  • 2008-10-10 FR FR0856882A patent/FR2937064B1/fr active Active
• 2009
  • 2009-03-11 US US13/123,647 patent/US8833023B2/en not_active Expired - Fee Related
  • 2009-03-11 EP EP09784365A patent/EP2344708A1/de not_active Withdrawn
  • 2009-03-11 CA CA2739695A patent/CA2739695A1/fr not_active Abandoned
  • 2009-03-11 MX MX2011003797A patent/MX2011003797A/es not_active Application Discontinuation
  • 2009-03-11 WO PCT/FR2009/050401 patent/WO2010040921A1/fr active Application Filing
  • 2009-03-11 JP JP2011530520A patent/JP5580317B2/ja not_active Expired - Fee Related
  • 2009-03-11 BR BRPI0914083A patent/BRPI0914083A2/pt not_active IP Right Cessation
  • 2009-03-11 RU RU2011117316/03A patent/RU2485259C2/ru not_active IP Right Cessation
  • 2009-03-11 CN CN2009801449373A patent/CN102209820A/zh active Pending
  • 2009-03-11 KR KR1020117009696A patent/KR20110071099A/ko not_active Application Discontinuation

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