Classifications

• • E—FIXED CONSTRUCTIONS
  • E04—BUILDING
  • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
  • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
  • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
  • E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
  • E04B1/76—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
  • E04B1/7675—Insulating linings for the interior face of exterior walls
• • E—FIXED CONSTRUCTIONS
  • E04—BUILDING
  • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
  • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
  • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
  • E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
  • E04B1/76—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
  • E04B1/78—Heat insulating elements
• • E—FIXED CONSTRUCTIONS
  • E04—BUILDING
  • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
  • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
  • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
  • E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
  • E04B1/76—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
  • E04B2001/7679—Means preventing cold bridging at the junction of an exterior wall with an interior wall or a floor
• • E—FIXED CONSTRUCTIONS
  • E04—BUILDING
  • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
  • E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
  • E04B5/16—Load-carrying floor structures wholly or partly cast or similarly formed in situ
  • E04B5/32—Floor structures wholly cast in situ with or without form units or reinforcements
  • E04B2005/322—Floor structures wholly cast in situ with or without form units or reinforcements with permanent forms for the floor edges

Definitions

• the invention relates to a thermal breaker in the field of building construction.
• the invention also relates to a building comprising the breaker as well as to a method of manufacturing the breaker and to a construction method of the building.
• the insulation of a building can be made on the inside of the walls of the building or on the outside.
• insulating panels are placed against the walls, from the floor to the ceiling of a floor.
• thermo breaker comprising:
• the reinforcements are made of steel.
• the frames are made of stainless steel.
• the block comprises a plurality of surfaces, the ultra-high performance fiber concrete layer covering a surface of the insulating block. According to one variant, the block comprises several surfaces, the layer covering two contiguous surfaces of the block.
• the breaker further comprises a fire protection barrier, the barrier being on one side of the layer opposite to that in contact with the insulating block.
• the insulating block is made of expanded polystyrene.
• the breaker being a module.
• the layer has a thickness of between 5 and 40 mm.
• the layer comprises ribs projecting from the face of the layer in contact with the block, the reinforcements being embedded in the ribs.
• the invention also relates to a building comprising - the breaker as described above,
• the breaker is continuous between the slab and the wall, along the edge of the slab.
• the slab is retained on the wall by the armatures of the breaker.
• the armatures of the breaker are in a lower half of the slab.
• the breaker further comprises an Inner Thermal Insulation, comprising a doubling complex comprising at least one plasterboard.
• the invention also relates to a method of manufacturing the switch as described above, comprising the steps of
• a gap is between the block and a channel wall, the ultra high performance fiber concrete being poured into the space as well as the block.
• the invention also relates to a method of manufacturing a building, comprising the steps of
• FIG. implementation of the thermal breaker Figures 2 and 8, the thermal breaker in position in a building; Figures 3 and 4, improvements of the thermal breaker; Figures 5 and 6, a method of manufacturing the switch; Figure 7, a method of constructing a building.
• the invention relates to a thermal breaker comprising a thermal insulating block and an ultra-high performance fibered concrete layer integral with the block.
• the breaker also comprises reinforcements embedded in the layer of ultra-high performance fiber concrete, the reinforcements being protruding from the layer on either side of the block.
• the advantage is that the thermal bridge is reduced to the concrete layer which decreases the thermal bridge; Moreover, the breaker is simple to position.
• FIG. 1 shows the switch 10 according to an exemplary embodiment.
• the breaker 10 comprises a thermal insulation block 12 and a layer 14 of ultra-high performance fiber concrete.
• the breaker 10 also comprises reinforcements 16 embedded in the layer 14; the frames 16 are protruding on both sides of the layer.
• the switch 10 may be an internal or external thermal insulation element; the breaker 10 is positioned in particular at the junction of a slab and a face of a wall, as will be described in more detail with reference to FIG. 2.
• the thermal breaker 10 favors the reduction of the thermal bridge existing between the slab and the wall.
• the breaker 10 reduces the passage of calories through the slab and the wall.
• the layer 14 is made of ultra-high performance fiber concrete (abbreviated to BFUP).
• the layer 14 is for example 5 to 40 mm thick, which allows to embed the frames 16 while being thin enough to limit the thermal bridge between the slab and the wall through the switch 10.
• the layer 14 is 7 mm thick. This allows to embed the frames and arrange them closest to the lower surface of the slab.
• Ultra-high performance fiber concretes are concretes having a cement matrix containing fibers. It is referred to the document titled "High-Performance Fiber Concretes" of the Roads and Highways Technical Studies Department (Setra) and the French Association of Civil Engineering (AFGC). The resistance of these concretes to compression is generally greater than 150 MPa, or even 250 MPa.
• the fibers are metallic, organic, or a mixture.
• the binder dosage is high (the E / C ratio is low, generally the E / C ratio is at most about 0.3).
• the cementitious matrix generally comprises cement (Portland), a pozzolanic reaction element (in particular fumed silica) and a fine sand.
• the respective dimensions are selected intervals, depending on the nature and the respective quantities.
• the cementitious matrix may comprise: Portland cement of fine sand, a silica-type element, possibly quartz flour, the quantities being variable and the dimensions of the various elements being chosen between the micron or submicron range and the millimeter , with a maximum dimension not exceeding in general 5 mm. a superplasticizer being added in general with the mixing water.
• the fibers have characteristics of length and diameter such that they effectively confer the mechanical characteristics. Their quantity is generally low, for example between 1 and 8% by volume.
• matrix examples include BPR, reactive powder concretes, while the examples of UHPC are BSI concrete from Eiffage, Ductal® from Lafarge, Cimax® from Italcementi and BCV from Vicat.
• concretes 1) those resulting from mixtures of a - a Portland cement selected from the group consisting of ordinary Portland cements called "CPA”, high performance Portland cements called “CPA-HP”, cements
• C3 A tricalcium aluminate
• the predominant granular elements have a maximum grain size D at most equal to 800 micrometers, in that the predominant metal fibers have an individual length 1 in the range 4 mm - 20 mm, in that the ratio R between the average length L of the fibers and said maximum size D of the granular elements is at least 10 and in that the amount of the predominant metal fibers is such that the volume of these fibers is from 1.0% to 4.0% of the volume of the concrete after taking 4) those resulting from the mixture of: a - 100 p.
• Portland cement b - 30 to 100 p., or better 40 to 70 p., fine sand having a grain size of at least 150 micrometers; c - 10 to 40 p. or better 20 to 30 p. amorphous silica having a grain size of less than 0.5 micrometers; d - 20 to 60 p. or better 30 to 50 percent of ground quartz having a grain size less than 10 microns; e - 25 to 100 p., or better 45 to 80 p. steel wool; a fluidizer, g - 13 to 26 phr, or more preferably 15 to 22 phr, of water.
• a thermal cure is planned.
• a - cement those resulting from the mixing of: a - cement; b - granular elements having a maximum grain size Dmax of at most 2 mm, preferably at most 1 mm; c - pozzolanic reaction elements having a size of elementary particles of at most 1 micron, preferably at most 0.5 microns; d - constituents capable of improving the tenacity of the matrix chosen from acicular or platelet elements having an average size of at most 1 mm, and present in a volume proportion of between 2.5 and 35% of the cumulative volume of the granular elements (b) and pozzolanic reaction elements (c); e - at least one dispersing agent and satisfying the following conditions:
• the weight percentage of water E relative to the cumulative weight of cement (a) and elements (c) is in the range 8-24%;
• the fibers have an individual length L of at least 2 mm and an L / phi ratio, phi being the diameter of the fibers, of at least 20;
• the ratio R between the average length L of the fibers and the maximum grain size Dmax of the granular elements is at least 10;
• the amount of fiber is such that its volume is less than 4% and preferably 3.5% of the volume of the concrete after setting.
• a - cement those resulting from the mixing of: a - cement; b - granular elements; c - pozzolanic reaction elements having a size of elementary particles of at most 1 micron, preferably at most 0.5 microns; d - constituents capable of improving the toughness of the matrix chosen from acicular or platelet elements having an average size of at most 1 mm, and present in a volume proportion of between 2.5 and 35% of the cumulative volume of the elements granular (b) and pozzolanic reaction elements (c); e - at least one dispersing agent; and satisfying the following conditions: (1) the weight percentage of water E relative to the cumulative weight of cement (a) and elements (c) is in the range 8-24%;
• the fibers have an individual length L of at least 2 mm and an L / phi ratio, phi being the diameter of the fibers, of at least 20; (bis) the ratio R between the average length L of the fibers and the grain size D75 of all the constituents (a), (b), (c) and (d) is at least
• the amount of fiber is such that their volume is less than
• (a), (b), (c) and (d) has a grain size D75 of at most 2 mm, preferably at most 1 mm, and a grain size D50 of at most 200 ⁇ m preferably at most 150 microns. 7) those resulting from the mixing of: a - cement; b - granular elements having a maximum grain size D of at most 2 mm, preferably at most 1 mm; c - pozzolanic reaction fine elements having an elementary particle size of at most 20 ⁇ m, preferably at most 1 ⁇ m; d - at least one dispersing agent; and satisfying the following conditions: (e) the weight percentage of water relative to the cumulative weight of cement (a) and elements (c) is between 8 and 25%; (f) the organic fibers have an individual length L of at least 2 mm and an L / phi ratio, phi being the diameter of the fibers, of at least 20; (g) the ratio R between the average length L of the fibers and the maximum grain size D of the granular elements
• a - at least one hydraulic binder of the group consisting of Class G Portland cements (API), Portland Class H cements (API) and other low aluminate hydraulic binders b - a microsilica of particle size in the range 0.1 to 50 micrometers, at a rate of 20 to 35% by weight relative to the hydraulic binder, c - an addition of medium particles, mineral and / or organic, particle size in the range 0 , 5-200 microns at a rate of 20 to 35% by weight relative to the hydraulic binder, the amount of said addition of average particles being less than or equal to the amount of microsilica, a superplasticizing agent and / or water-soluble thinning agent in proportion between 1% and 3% by weight relative to the hydraulic binder, and water in an amount at most equal to 30% of the weight of the hydraulic binder.
• API Class G Portland cements
• API Portland Class H cements
• other low aluminate hydraulic binders b - a microsilica of particle size in the range
• a - cement a - cement
• b - granular elements having a grain size Dg of at most 10 mm
• c - pozzolanic reaction elements having an elementary particle size of between 0.1 and 100 ⁇ m
• d - at least one dispersing agent e - metal and organic fibers; and meeting the conditions: (1) the percentage by weight of water relative to the cumulative weight of cement (a) and elements (c) is in the range 8-24%; (2) the metal fibers have an average length Lm of at least 2 mm, and a ratio h / dl, d1 being the diameter of the fibers, of at least 20; (3) the Vi / V ratio of the volume Vi of the metal fibers to the volume V of the organic fibers is greater than 1, and the ratio Lm / Lo of the length of the metal fibers to the length of the organic fibers is greater than 1; (4) the ratio R between the average length Lm of the metal fibers and the size Dg of the granular elements is at least
• a thermal treatment can be implemented on these concretes.
• the heat treatment comprises, after the hydraulic setting, heating at a temperature of 90 ° C. or more for several hours, typically 90 ° C. for 48 hours.
• block 12 allows thermal insulation; the material used is, for example, expanded polystyrene.
• the block 12 is secured to the layer 14 of UHPC.
• the layer 14 of BFUP engages with the insulating block 12 which makes it possible to make the layer 14 and the block 12 integral.
• the layer 14 and the block 12 are integral so as to be transported together.
• the block is secured reversibly or not to the layer; the block is fixed or only juxtaposed to the layer.
• the block 12 comprises several surfaces, the layer 14 being integral with a surface of the block 12. Thus, a composite with two layers is obtained.
• the block 12 is preferably a substantially regular parallelepiped, which allows to insert the breaker 10 between a bank of the slab and the wall (the edge of the slab is the face of the slab facing the wall).
• the breaker 10 can be sized to appear as the extension of the slab to the wall.
• the block 12 is the width of the layer 14; the breaker then has a regular cross section, which simplifies the insertion between the edge of the slab and the wall.
• the width of the breaker in cross section, corresponding to the distance between the edge of the slab and the wall is 4 to 10 cm.
• the armatures 16 are protruding on both sides of the switch 10; when the switch 10 is in place, the frames 16 are engaged with the wall on the one hand and the slab 20 on the other hand.
• the frames are embedded in the UHPC; the reinforcements are wrapped by concrete or are located flush with the surface of the concrete layer.
• the frames 16 may be stainless steel, which protects against oxidation. However, when the frames 16 are embedded so that they are enveloped by the concrete, the frames 16 are protected against moisture and oxidation; thus, a conventional steel can be used for the frames 16 which makes the manufacture of the switch 10 less expensive.
• the layer 14 of UHPC is of the width (in cross-section) of the breaker; the reinforcements 16 are thus maintained in the layer 14 of UHPCF over the entire width of the breaker 10, from the edge of the slab to the wall. This allows a good maintenance of the armatures at the breaker.
• the breaker 10 is a module; the breaker 10 may be manufactured at a site different from the site where the breaker 10 is intended to be installed.
• the block 12 and the layer 14 of UHPCF being secured, it is possible to transport the switch 10 to the site where the switch 10 is intended to be installed.
• the switch 10 can be delivered to the desired size and then installed at the appropriate time.
• the switch 10 can be handled independently.
• the breaker 10 can also be delivered to a larger size and then trimmed to match its location.
• the size of the breaker 10 is determined according to the thermal insulation to ensure.
• the dimension of the breaker 10 between the edge of the slab and the wall may be 4 to 10 cm.
• Figure 2 shows the switch 10 in position in a building.
• the breaker 10 is inserted between the slab 20 and the wall 18.
• the slab 20 is on the inner side of the wall 18. It is therefore seen that the thermal bridge likely to occur between the slab 20 and the wall 18 is limited, the bridge being influenced by the single layer 14 of UHPC.
• the breaker 10 ensures the continuity of the building insulation between the slab 20 and the wall 18 while ensuring the lift of the slab 20.
• the insulation is no longer disturbed by a junction of structure such as that of the slab and the wall.
• the slab 20 is fixed to the wall by means of the reinforcements 16 of the breaker 10.
• the breaker 10 thus makes it possible not only to reduce the thermal bridge but in addition to fixing the slab 20.
• the part of the reinforcements 16 located in the slab 20 and the wall 18 can be of different shapes, as can be seen in FIG. 2. Indeed, the reinforcements 16 can be rectilinear as is the case of the part of the frames 16 in the slab 20.
• the frames 16 may be curved, as is the case of the part of the frames 16 in the wall.
• the frames 16 are curved in the manner of possible hook, which ensures a good anchoring of the frame in the wall; moreover, the hook reinforcements allow anchoring to a wall, while the latter is of small section relative to the slab 20.
• the switch 10 is preferably positioned so that the layer 14 of the UHPCF is located under the insulating block 12 ; this makes it possible to place the reinforcements 16 in the lower half of the slab 20 so that the latter is better maintained by the reinforcements 16.
• the layer 14 of BFUP being thin, this ensures the positioning of the frames 16 very closely the lower surface of the slab 20, which promotes its maintenance.
• the breaker 10 is preferably continuous between the slab 20 and the wall.
• the switch 10 is continuous in a direction perpendicular to the plane of the figure.
• the breaker is continuous along the edge 30 of the slab.
• the breaker 10 may also include a thermal barrier 26.
• the thermal barrier 26 is fire protection.
• the barrier 26 is located on one side of the layer 14 of BFUP which is not in contact with the insulating block 12.
• Barrier 26 is placed under the switch 10.
• the barrier 26 is placed between the breaker 10 and the insulating block 22. If a fire broke out in the building, the insulating block 22 would be quickly destroyed but the barrier 26 would protect the armatures of the breaker 10 against fire.
• the barrier 26 also reduces the thickness of the layer 14 of UHPC; indeed the presence of the barrier 26 does not require to maintain the frames 16 as far as possible from the underside of the switch 10 to protect them from the fire which would require a layer 14 thicker UHPC. With the barrier 26, the frames 16 may be lower in the breaker 10, which reduces the thickness of the layer 14 of UHPC.
• FIG. 2 shows an improvement that can be made to the breaker 10 of FIG. 1, also shown in FIG. 3.
• the breaker 10 covers two contiguous faces of the block 12.
• a vertical layer 16 of FIGS. in contact with the face of the slab 20 facing the wall 18;
• a horizontal layer 14 of UHPCF is from the slab 20 to the wall 18, in which the reinforcements are embedded.
• the stresses of the slab 20 are taken up by the vertical layer 15 of UHPC and are transmitted into the wall via the horizontal layer 14. of UHPC. More precisely, the two layers 14 and 15 of UHPC form an "L".
• the insulating block 12 is located in the "L" to form a parallelepiped.
• Figure 2 showing the breaker 10 in "L” also shows a member for better fixing of the slab 20 to the breaker 10 and therefore to the wall.
• This member may be a hook 28 integral with the breaker 10, in particular the vertical layer 15 of the breaker 10. The hook 28 is engaged with the slab 20 which completes the fixing of the slab 20 to the breaker 10 and therefore d improve the fixing of the slab 20.
• Figure 4 shows yet another improvement that can be made to the breaker of one of the preceding figures.
• the layer 14 of UHPC in which the reinforcements 16 are embedded comprises ribs 42 projecting from the face of the layer 14 in contact with the block 12, the reinforcements 16 being embedded in the ribs. This protects the reinforcements 16 against fire by increasing the distance between the frames 16 and the underside of the switch 10 without increasing the entire thickness of the layer 14.
• the thickness of the layer 14 of BFUP is only increased locally; this prevents between the reinforcements 16, the layer 14 is unnecessarily thicker, and therefore it makes the thermal bridge more important.
• the insulating block 12 is covered on three of its faces, the layers of UHPC having in section a "U” shape with the block 12 in the "U".
• the invention also relates to a method of manufacturing the breaker 10.
• This method shows that the manufacture of the breaker 10 is simple; in particular, this method does not require a mold having a particular shape.
• Figures 5 and 6 show the manufacture of the switch 10.
• the thermal insulation block 12 is sandwiched between two walls 34 and 35 so as to form a channel 32 of the width of the block 12; block 12 is at the bottom of channel 32.
• the UHPC is then cast in the channel 32 so as to constitute the layer 14 of UHPC on one side of the block 12.
• the reinforcements 16 are positioned in the layer 14 of UHPCF so as to be kept embedded in the layer 14 and to be protruding from on both sides of the channel 32.
• the walls 34 and 35 are removed after taking the UHPC, the layer 14 of UHPC being made integral with the block 12.
• This method corresponds to the manufacture of the breaker 10 of FIG.
• the insulating block 12 is sandwiched between two walls 34, 35 so as to constitute the channel 32 again, but the width of the channel 32 is larger than the width of the block 12, in a cross-section of the breaker 10 A space 33 is left between the wall 34 and the block 12, all along the block 12.
• the UHPC is then poured into the space 33 between the channel 32 and the block 12 so as to constitute the vertical layer 15 of the breaker. 10 according to a face of the block 12; then the UHPC is cast on the block 12 so as to constitute the horizontal layer 14 of the breaker 10.
• the frames 16 are positioned in the layer 14 of horizontal BFUP so as to be kept embedded in the layer 14 and to be projecting on both sides. the other of the channel 32.
• the walls 34, 35 are removed after taking the UHPF, the UHPC being made integral with the block 12.
• the assembly of Figure 6 is realized.
• notches are carved in a surface of the block 12, so as to make irregular the surface of the block 12; the UHPC is cast on said irregular surface of the block 12, the reinforcements 16 being positioned in the UHPC in the bays of the surface provided with irregular notches of the block.
• the manufacturing method is therefore simple, in particular because it does not require keeping the block 12 in suspension while the UHPC is poured; the block 12 is placed at the bottom of the channel 32.
• the method is as simple as it does not require a mold having a particular shape.
• the manufacturing process of the switch 10 being simple, it is conceivable that the switch 10 can be manufactured on site.
• the invention also relates to a method of constructing a building. This method is visible in FIG. 7.
• the method has the advantage of not disturbing the traditional modes of building construction, which also avoids changes in implementation time.
• the building comprises a wall 18 to which a slab 20 is attached.
• the method firstly comprises the erection of a first wall portion 18 to the level where the slab 20 is to be placed.
• the height of this first wall portion 181 may correspond to the height of a floor. It can be seen that the top of the first wall portion 181 is in the form of a concreting stop 40; this allows a better connection with the second part 182 of the upper wall to come.
• a support 38 is positioned against the wall portion 181, the breaker 10 being positioned on the support 38.
• the armatures 16 of the breaker 10 extend on one side of the breaker, for example rectilinearly above the support 38, and on the other side of the breaker, above the portion 181 of the wall, the armature then being in the form of a hook of the latter side. Then the slab 20 is cast, engaging with the 16 rectilinear frames. The second part 182 of the wall is then cast over the portion 181 of the already existing wall, engaging the frames 16 in the form of a hook. However, the slab 20 may be cast after the second portion 182 of the wall.
• the present method has the advantage of avoiding to maintain the block 12 during the casting of the slab 20.
• the switch 10 is positioned as a module and the slab 20 and the wall are cast while the block 12 is correctly held in position by the switch 10.
• the breaker 10 and the construction method of the building can be implemented both inside and outside the building, to ensure a junction between a wall and a slab such as a balcony, a floor, cornices ...
• Figure 8 shows a junction between the wall 18 and the slab 20 constituting a balcony.
• the slab 20 is then cantilevered. It can be seen that the switch 10 has an inverted position with respect to that of FIG. 2; the reinforcements 16 are in the upper half of the slab 20.
• the switch 10 is positioned in such a way that the layer 14 is on the block 12.

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• Architecture (AREA)
• Physics & Mathematics (AREA)
• Engineering & Computer Science (AREA)
• Structural Engineering (AREA)
• Electromagnetism (AREA)
• Civil Engineering (AREA)
• Acoustics & Sound (AREA)
• Curing Cements, Concrete, And Artificial Stone (AREA)
• Thermal Insulation (AREA)
• Laminated Bodies (AREA)
• Fuses (AREA)
• Thermally Actuated Switches (AREA)
• Insulated Conductors (AREA)

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• 2005
  • 2005-06-30 FR FR0506743A patent/FR2887905B1/fr not_active Expired - Fee Related
• 2006
  • 2006-06-23 EP EP06778647A patent/EP1899541B1/de not_active Not-in-force
  • 2006-06-23 AT AT06778647T patent/ATE541097T1/de active
  • 2006-06-23 CA CA2612985A patent/CA2612985C/fr not_active Expired - Fee Related
  • 2006-06-23 US US11/922,873 patent/US8151531B2/en not_active Expired - Fee Related
  • 2006-06-23 WO PCT/FR2006/001445 patent/WO2007003739A1/fr not_active Ceased

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