• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
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  • 优先权
    • 专利摘要:
    FIG.4A The package (200) of multilayer insulating product comprises at least one layer of multilayer insulating product (10) which comprises at least a first film (12) and at least one central element (14), which is connected to said at least one first film and which comprises corrugations propagating in a direction of propagation (X) with a pitch (P) and an amplitude (A) peak to peak; and conditioning means (40, 50) now constrains said at least one peak in a constrained state. 4A
    公开号:BE1022958B1
    申请号:E2015/0212
    申请日:2015-09-02
    公开日:2016-10-21
    发明作者:Laurent Thierry；Maxime Duran；Eric Palacio
    申请人:Orion Financement Société Anonyme；
    IPC主号:
    专利说明:

    DESCRIPTION
    Package of multilayer insulating product, process and equipment for making such a package
    The present invention relates to a multilayer insulating product package, comprising at least one multilayer insulating product plate which comprises at least one first film, and at least one central element, which is connected against said at least one first film and which comprises corrugations. propagating in a direction of propagation with a pitch and with a peak-to-peak amplitude.
    A multilayer insulating product of this type is known from French Patent Application No. 2,982,193.
    This product is satisfactory, in particular with regard to its thermal insulation properties, its mechanical strength and its lightness.
    Another important parameter in the field of multilayer insulation is that of their bulk during transport and storage.
    Conventionally, insofar as the multilayer insulation products are traditionally manufactured in the form of continuous strips, they are packaged by being wound on rollers.
    Figures 10 and 11 illustrate the traditional method of conditioning. In Figure 10, there is indeed a strip 1 of multilayer insulating product, comprising a first film 2, a second film 2 'and a central element 4 which is sandwiched between the two films. The strip 1 is conveyed in the direction of advance S in the packaging device shown in FIG. 10. This device comprises a compression station 20 in which the thickness of the insulating product, measured perpendicular to the plane of the strip 1, passes a value E0 in the zone 21 situated upstream of the compression station 20, at a value E1 in the zone 22 situated downstream of the compression station. For this, the strip is compressed between compression cylinders 19. This thickness E1 is retained during the winding of the strip along a roller 26, in a winding zone 23, thanks to the presence, in the zone 22 located between the compression station 20 and the roller 23, guides 24 for maintaining in a flattened and compressed configuration, that is to say in a constrained state, the band 1. Thus, in the compression station, the central element 4 crashes on itself. Once a roll of desired diameter is obtained, the web 1 is held in the compressed state, for example by packaging the roll in a plastic film. The strip is thus transported and stored in the wound and constrained state. To use the strip, as shown in Figure 11, the strip is unwound from the roll 26 in a unwinding station 28 and it then finds a thickness E0 'close to its original thickness E0.
    The inventors have realized that, in the particular case of a multilayer insulating product of the type comprising a film and a central element having corrugations (as described in French Patent No. 2,982,193), the compression of the strip by flattening perpendicularly in its plane and roll winding may cause deterioration, in particular decohesion of the corrugated central element, with the film or films to which it is connected. Indeed, in this case, the compression of the strip which is achieved by a decrease in its thickness tends to crush the corrugations, which tends to degrade their bond with the film or films (shearing and delamination) and also damages their ability to regain their original shape when the tape is unrolled. This problem is significant in the case where the direction of propagation of the corrugations is perpendicular to the direction of advance S of the strip, since the flattening is carried out according to the line of contact of the strip with the compression cylinders, this line being parallel the direction of propagation of the undulations, that is to say perpendicular to the lines formed by the peaks of the undulations and that the compression and shearing occur perpendicularly to the undulations. In other words, the ridge lines are then crushed or "broken" by the compression cylinders. However, from the point of view of manufacture, when the product is manufactured in continuous strip, it is interesting that the direction of propagation of the corrugations is according to the width of the strip. In fact, the fact of making the strip by arranging the central element so that the direction of propagation of the corrugations is oriented along the width of the strip makes it possible to weld the peaks of the corrugations to the film (or to the two films, when two films are provided), depending on the length of the strip, according to the natural direction of advancement of the strip. The object of the invention is therefore to propose a package of multilayer insulating product of the type having a corrugated central element, conditioned so as to eliminate this risk, or at least to attenuate it significantly.
    Thus, the invention relates to a package of multilayer insulating product, comprising: at least one multilayer insulating product plate which comprises at least a first film, and at least one central element, which is connected against said at least one first film and which comprises corrugations propagating in a direction of propagation with a pitch and with a peak-to-peak amplitude; and conditioning means now constrains said at least one plate in a constrained state.
    According to one aspect of the invention, in the stressed state, said at least one plate is maintained compressed in the direction of propagation of the corrugations so that the pitch is smaller and the amplitude greater in the constrained state than in an unconstrained state of said at least one plate.
    In other words, when the insulating product plate is obtained from a strip in which the direction of propagation of the corrugations is oriented according to the width of the strip, the product is compressed according to its width and rather than according to its thickness. . This compression therefore brings the segments of the undulations that extend between two consecutive peaks closer together without crushing the undulations or crushing or "breaking" the ridge lines.
    Thus, with the invention, the volume reduction of the insulating product plate is obtained by a compression performed in the direction of propagation of the corrugations of the central element rather than by a decrease in its thickness. The inventors have found that a compression made in the direction of propagation of the corrugations does not alter or substantially the bond between the central element and the film or films, and therefore allows both to condition the product with a low volume. , while avoiding its deterioration and allowing the plate, when the package is defeated, to regain its original thickness to obtain the desired thermal insulation performance.
    The packaging of at least one plate of insulating product has been mentioned above. Conventionally, as has been indicated, this plate is formed from a strip of multilayer insulating product but, as will be seen below, this strip is cut into sections forming plates of length allowing their conditioning according to the invention. 'invention.
    Optionally, the conditioning means comprise an envelope or a wrapping which at least partially surrounds said at least one plate while maintaining it in the stressed state. The envelope may for example be a film completely surrounding the plate, at least on its sides parallel to the film and its sides perpendicular to the direction of propagation of the corrugations. The envelope may also be formed by a box, for example of cardboard, a case or the like. The wrapping may for example be carried out using strap type links, string or the like, or using one or more adhesive strips.
    Optionally, the conditioning means comprise a rod or a wire, passing through said at least one plate in the direction of propagation of the corrugations and retained at its two ends against the sides of the plate which extend transversely to the direction of propagation of the corrugations. .
    Thus, the rod or wire is stitched through the plate, and thus passes through the corrugations of the central element. The diameter of the rod or wire can be extremely small, so that the drilling thus produced does not affect or virtually no insulating properties of the plate. The rod or the wire is retained by its two ends against the sides of the plate, for example by means of pierced plates pierced by the rod or the wire, and a stop integral with the rod or the wire on the side. of the wafer opposite to the insulating product plate. Being a wire, this stop can be achieved by a simple knot made in the film. As a rod, this stop may for example be carried by a clip, a pin, a nut or the like.
    Optionally, the package comprises a plurality of plates maintained, each in the state constrained by the conditioning means, these plates having in particular parallel propagation directions and being in particular superimposed perpendicularly to these parallel directions.
    The different plates forming part of the same package can, in their constrained state, have the same dimensions. For example, they may be stacked or juxtaposed so that their respective directions of propagation are parallel to one another without becoming confused, or to arrange them end-to-end, in order to align their directions of propagation. In all cases, a package containing several plates in a small space, which can be handled, transported and stored easily, is thus obtained. The invention also relates to a method of making a multilayer insulating product package of the aforementioned type.
    As indicated above in connection with FIGS. 10 and 11, the multilayer insulating product conditioning processes of the above-mentioned type which are known have the risk of damaging the insulating products having a corrugated central element, in particular by causing a decohesion of the element center with the movie (s) to which it is connected. The invention aims to provide a method substantially free of these disadvantages.
    Thus, the invention relates to a method of making a multilayer insulating product package comprising at least one multilayer insulating product plate which comprises at least a first film, and at least one central element, which is connected against said at least one first film and which comprises corrugations propagating in a direction of propagation with a pitch and with a peak to peak amplitude, the method comprising a conditioning step, wherein said at least one plate is conditioned in a constrained state.
    According to one aspect of the invention, from an unconstrained state of said at least one plate, a compression step is carried out by compressing said at least one plate in the direction of propagation of the corrugations to bring it into the constrained state in which the pitch is smaller and the amplitude larger than in the unconstrained state.
    Thus, with this method, the plate is compressed so as to reduce the pitch of the corrugations, and the inventors have found that compression in this direction does not or hardly affect the connection between the central element and the one or more movies.
    Optionally, during the compression step, said at least one plate is compressed by moving the transverse sides towards the direction of propagation of the corrugations closer to one another.
    This approximation is in particular operated by compression walls, cooperating with the sides of the plate perpendicular to its width.
    Optionally, during the compression step, said at least one plate is compressed by performing suction in the cells formed in the recesses of the corrugations of the central element.
    Optionally, during the compression step, said at least one plate is compressed in the direction of propagation of the corrugations, while exerting on its external faces parallel to the film, a pressure allowing a controlled separation of said parallel outer faces.
    With this, the desired compression is achieved while maintaining the faces of the plate which are parallel to the film in the desired size. This makes it possible in particular to avoid that, in reaction to the compression in the direction of propagation of the corrugations, the plate is gondola forming one or more waves rising perpendicularly to the direction of propagation of the corrugations, escaping the compression and leaving the expected space for packaging.
    Optionally, during the conditioning step, at least partially surrounds the at least one plate by an envelope or a wrapping.
    Optionally, during the conditioning step, a rod or a wire is passed through the at least one plate in the direction of propagation of the corrugations and the rod or wire is retained at its two ends against the sides of the plate which extend transversely to the direction of propagation of the corrugations.
    Optionally, during the conditioning step, several plates are conditioned, which are in particular arranged so as to have parallel propagation directions and to be superimposed perpendicularly to these parallel directions. The invention also relates to equipment for making a multilayer insulating product package of the aforementioned type.
    As indicated above with reference to FIGS. 10 and 11, the known packaging equipment, when used to package an insulating product having a corrugated central element, presents the risk of causing a deterioration of the product, in particular a decohesion of the central element with the film or films to which it is connected. The object of the invention is to provide equipment enabling packaging that is substantially free of these disadvantages.
    Thus, the invention relates to equipment for making a multilayer insulating product pack comprising at least one multilayer insulating product plate which comprises at least a first film and at least one central element, which is connected to said at least one first film and which comprises ripples propagating in a pitch propagation direction and with a peak-to-peak amplitude, the equipment comprising means for forming a packet wherein said at least one plate is conditioned in a constrained state.
    According to one aspect of the invention, the equipment comprises a compression device configured for, from an unconstrained state of said at least one plate, compressing said at least one plate in the direction of propagation of the corrugations for the bring into the constrained state in which the pitch is smaller and the amplitude greater than in the unconstrained state. The equipment according to the invention therefore makes it possible to make a package in which the plate is compressed according to the. direction of propagation of the corrugations which, as previously indicated, avoids or at least limits the risk of deterioration of the product.
    Optionally, the compression device comprises means for compressing said at least one plate by bringing the transverse sides closer to the direction of propagation of the corrugations.
    Optionally, the compression device comprises means for effecting suction in the cells formed in the recesses of the corrugations of the central element.
    Optionally, the compression device comprises means for exerting, on the outer faces of the plate parallel to the film, a pressure allowing a controlled separation of said parallel outer faces.
    The fact of exerting a pressure allowing a controlled separation of the parallel external faces makes it possible to prevent, during the compression in the direction of propagation of the corrugations, the plate not gondole as a whole, and does not leave the expected space for its packaging.
    Optionally, the means for exerting pressure on the parallel outer faces comprise a plane support for the first external face and at least one bearing surface, disposed in abutment on the second outer face.
    Optionally, the means for compressing said at least one plate comprise a compression wall capable of being displaced in the direction of propagation of the corrugations and the equipment comprises means for moving at least a portion of the support surface of the support to be measured. that the compression wall is moved to compress said at least one plate.
    Optionally, the planar support being horizontal and the bearing surface being formed on the lower surface of a support strip disposed above the support with a space for insertion of the at least one plate between the support and the support. the backing strip, the equipment comprises at least one weight roll disposed on the backing strip, a lifting roll over which the backing strip passes and means for moving the lifting roll away from the support as the compression wall is moved to compress said at least one plate. The invention will be better understood and its advantages will appear better on reading the detailed description which follows, of embodiments shown by way of non-limiting examples.
    The description refers to the accompanying drawings in which: - Figure 1 is a partial perspective view of a multilayer insulation product plate before packaging; FIG. 2 is an enlarged view of detail II of FIG. - Figure 3 shows an alternative embodiment for a layer of multilayer insulating product superimposed, before packaging; FIG. 4A shows a packet according to the invention; - Figure 4B shows a package according to the invention, according to a variant; FIGS. 5A to 5C show different conceivable arrangements of packets according to the invention; - Figures 6A and 6B show, in top view, the equipment for packaging the insulating product; FIG. 7 shows a possibility for the compression device in which a plate is arranged before being compressed; - Figure 8 is a view similar to Figure 7, showing the situation after the compression of the plate; - Figure 9 is a view similar to Figure 7 showing that the device can be used for the compression of several plates; - Figures 10 and 11 illustrate the prior art.
    The multilayer insulating product plate 10 shown in FIG. 1 comprises a first film 12, a central element 14, and a second film 12 '. The central element is sandwiched between the films 12 and 12 '. It comprises corrugations which propagate in a direction of propagation X which, in this case, is the direction of the width 1 of the plate. Thus, the respectively upper and lower ridges of the corrugations are respectively connected to the first film 12 and the second film 12 'and extend along lines perpendicular to the width 1 of the plate, that is to say according to the L direction of the length of the plate, transverse to the X direction of propagation of the corrugations.
    Thus, in this case, the connecting lines of the peaks of the corrugations with the films form a 90-degree angle with the direction of propagation of the corrugations X. It should be noted, however, that they can be inclined at a different angle by X direction, in particular by being inclined at 90 ° ± 15 °, or 90 ° ± 5 ° with respect to the X direction. In this case, the direction X of propagation of the corrugations must be understood as being the direction propagation of the wave formed by the profile of the corrugations, that is to say their section corrugations in a plane perpendicular to the direction of the width 1 of the plate.
    It can be seen, in particular in FIGS. 1 and 2, that the ridges 14a, 14b of the corrugations delimit a continuous and rectilinear flat outer face, respectively corresponding to the plane of the film 12 and that of the film 12 '. This flatness of the external face is verified in the unconstrained state. In the following, reference is made to the "plane of the film" considering that it is defined by this plane outer face.
    For example, as described in the French application No. 2 982 193, the two films 12 and 12 'are metallized plastic films which, as seen in Figure 2, may be composed of a layer of plastic 12a coated a metal layer 12B.
    In the example shown, the profile of the corrugations of the central element 14 is zigzag, that is to say that the peaks are substantially pointed and the sections extending between two peaks are substantially planar. This is better visible in FIG. 2, on which peaks 14a connected to the upper film 12 and peaks 14b connected to the lower film 12 'are seen, along connection lines, in particular made by welding, whose width W (this width being measured in the direction of propagation of the ripples X) is small. The thickness e of the central element, measured on a section 14c extending between a peak 14a and the adjacent peak 14b is for example between 1 mm and 1 cm. Cells 16 are formed in the hollows of the corrugations, that is to say in the triangles formed, in section, by the crests 14a, 14b and 14a which follow each other. The pitch P of the corrugations of the central element 14 is measured between two consecutive upper peaks 14a, or between two consecutive lower peaks 14b. It is preferably between 15 and 100 mm. The amplitude A of the corrugations is their height, measured perpendicularly to the plane of the sheet 12, that is to say according to the thickness of the plate.
    As seen in FIG. 3, the insulating product plate 10 can comprise several layers, each comprising a film of the film type 12, and a central element of the type of the element 14. In other words, the film lower 12 'of the first layer comprising the film 12 and the central element 14 can form the upper film of the next layer, comprising the central element 14' formed between the film 12 'and a film 12 ", and so on The directions of propagation of the corrugations of the different central elements are parallel.
    FIG. 4A shows a packet 200 of multilayer insulating product according to the invention. In this figure, there are illustrated several plates of similar multilayer insulating product 10A, 10B, 10C and 10D which are maintained in a constrained state in which their opposite side 11A and 11B transverse to the direction of propagation X of their corrugations are brought closer together. one of the other, so that the pitch of their undulations is decreased, while the peak-to-peak amplitude is increased compared to the values that had this step and this amplitude in the unconstrained state. Of course, each of the insulating product plates shown in FIG. 4A may be in accordance with the product according to FIG. 1 or the product according to FIG. 3, that is to say comprise one or more layers of central elements. In this case, it has been chosen to represent plates each having three layers of corrugated central elements. From the pitch P and the amplitude A that the central element of the insulating product exhibited in the unconstrained state, this pitch P and this amplitude A respectively pass at the pitch P 'and at the amplitude A', such that FIG. 2 is a dotted line. It should be noted that, in the interests of simplicity, the dashed portion in FIG. 2, which illustrates the constrained state of the insulating product, represents the top film 12 as being planar. Of course, because of the compression in the direction of propagation of the ripples X, this film (as the film 12 ') has slight ripples in the constrained state.
    For example, the ratio between the pitch P 'in the constrained state and the pitch P in the unconstrained state is between 0.02 and 0.6, in particular between 0.05 and 0.4, more particularly between 0.15 and 0.35.
    For example, the ratio between the amplitude A 'in the constrained state and the amplitude A in the unconstrained state is between 1.2 and 4.5, in particular between 1.4 and 2.2.
    Returning to FIG. 4A, it can be seen that the packet 200 comprises constrained conditioning means which keep the plates 10A to 10D of insulating product in their constrained state. In this case, these conditioning means are formed by a wrapping, two straps or wrapping analogs 40 being shown. It may be straps, tape, string or other. As indicated above, the packaging means may also comprise an envelope that at least partially surrounds the plate or plates in the stressed state. Thus, in FIG. 4A, there is shown in broken lines an envelope 50, for example formed by the walls of a box, case or the like in which the plates of insulating product are arranged. Such an envelope can of course coexist with the wrapping previously mentioned. It is also possible that the envelope is present alone, in particular when it has the shape of a flexible film wound around the plates. For the sake of clarity, the envelope is shown with a small space compared to the insulating products it contains, which is not necessarily the case in reality, especially when the wrapping is absent.
    In FIG. 4B, there is shown a packet 210 comprising the same plates 10A to 10D, maintained in the state constrained by another type of conditioning means. In the present case, these conditioning means comprise rods, wires or the like 60, which pass through the plates from one side to the other according to the propagation directions X of the corrugations of their respective central elements (these directions being parallel), and which are retained at both ends against the sides of the insulating product plates. In this case, to achieve this restraint, the packaging means comprise rigid or semi-rigid plates 62, disposed on either side of the plates, against their sides 11A and 11B perpendicular to the directions of propagation of the corrugations, and by ratio to which are retained the ends of the rods or son 60, by stops 64 such as, in this case, beads formed at these ends. Of course, these conditioning means can coexist with those which have been previously mentioned, in particular with the envelope 50.
    It can be seen that, with the invention, it is possible to very significantly reduce the dimension of the insulating product plate in the direction of propagation of the ripples X, as evidenced by the ratio between the pitches P 'and P, increasing however relatively slightly the height of this plate, as evidenced by the ratio between the amplitudes A 'and A.
    For example, in the constrained state, the dimension of the plate in the direction of propagation of the corrugations X (its width) is between 100 and 700 mm. It may in particular be between 150 and 400 mm and, in particular, be substantially equal to 200 mm.
    For example, in the unconstrained state, the dimension of said at least one plate in the direction of propagation of the corrugations X is between 1000 and 1500 mm, and being particularly substantially equal to 1200 mm.
    In particular, the package of insulating product according to the invention may comprise four analogous plates, superimposed by their faces parallel to the film, each of these plates having, in the unconstrained state, a length (measured parallel to the ridge line of the corrugations ) of the order of 1200 mm and a height, measured perpendicularly to the direction of propagation of the corrugations X and perpendicular to the crest ridge lines, of the order of 100 mm. An example of a package thus has, before the stress of the superposed plates, a length of 1200 mm and a height of less than 400 mm. Once the plates are put into their stressed state, the same package has for example a length of 200 mm and a height of 600 mm or less.
    In FIGS. 4A and 4B, the plates are superimposed by their faces parallel to the films, that is to say corresponding to the planes defined by the directions of propagation of the undulations and the crest lines of the corrugations. In FIG. 5A, the packet is formed by plates 10A, 10B and 10C which are juxtaposed by their faces defined by the planes perpendicular to the directions of propagation of the corrugations. In FIG. 5B, the two aforementioned arrangements are combined, the plates 10A and 10C, as well as the plates 10B and 10D being superimposed, and the two groups thus formed being juxtaposed. In FIG. 5C, the plates 10A and 10B are arranged end to end and the plates 10C and 10D, also arranged end to end, are superimposed on them (they could obviously be juxtaposed with them). In general, any packet arrangement of several superposed, juxtaposed or end-to-end plates is conceivable.
    For the sake of simplification, there is shown in Figures 5A to 5C straps or the like 40 surrounding the entire package considered. However, it is of course possible to provide individual packaging means (for example a wrapping) for each plate, and global packaging means for the package (for example an envelope). .
    FIGS. 6A and 6B, which schematically represent the equipment making it possible to implement the process for making a package of multilayer insulating product according to the invention, are now described. According to this method, the multilayer insulating product is advanced step by step on a conveyor 100, in particular a belt conveyor. In this case, the forward direction F of the conveyor is perpendicular to the direction X of propagation of the corrugations or central elements of the insulating product.
    The upstream station 102 is a feeding station, which feeds the conveyor with the insulating product strip 1. The next station, according to the direction of advance F of the conveyor, is a cutting station 104 in which the band 1 is cut . It is seen, downstream from this station 104, the front end 1 'of the strip 1 and the rear end 10' of the plate 10 which has just been cut.
    The means for forming a package with this plate are arranged downstream of the cutting station 104. In particular, a compression device 110 has been shown in which the plate 10 output from the cutting station is compressed in the direction X of propagation. ripples of the central element of the plate. The compression station comprises in this case means for compressing the plate by bringing one another closer to its transverse sides to the direction of propagation of the corrugations X.
    For example, these means comprise compression walls 112, movable back and forth in the direction X, which will be described in more detail below.
    FIG. 6A shows the situation before the beginning of the compression, the plate 10 being located in the compression device 110, whose compression walls 112 are then discarded. In FIG. 6B, these walls 112 have been brought together and the plate 10 is compressed.
    At the outlet of the compression device 110, the plate is maintained in the compressed state between guides 114, the spacing of which corresponds to the spacing of the walls 112 at the end of compression of the plate, to be conveyed to a packing station 116 in which the plate is conditioned to the constrained state. For example, in this packaging station, a wrapping or wrapping of the plate can be carried out to obtain the packet 200 or 210 shown in FIGS. 4 and 5 (in this case the packet 200 has been represented). At the output of the packaging station 116, the packet 200 thus made is conveyed to the exit of the conveyor, for example to palletizing or introduction means in cartons or the like, not shown.
    FIGS. 6A and 6B have just been described with reference to the packaging of an insulating product plate. Of course, one can simultaneously package several plates. For this purpose, the feed device can simultaneously feed several superposed or juxtaposed strips 1, which follow the previously exposed treatment. It is also possible, at the output of the cutting station, to superpose several plates in an elevator (not shown), which interrupts the conveyor and which, when it carries a sufficient number of plates, rests them on the conveyor upstream of the compression station 110.
    With reference to FIGS. 7 and 8, the compression of a plate of insulating product 10 is now described. In FIG. 7, this plate is shown in the uncompressed state, which it adopts when it enters the compression device. 110, whose compression walls 112 are then discarded. In FIG. 8, the compression walls 112 have been brought closer in the direction of propagation of the corrugations, in particular by being displaced respectively according to the arrows f and f to bring the sides 11A and 11B closer to the plate 10. Of course, it would be possible to plan to move only one of the walls, the other remaining fixed.
    In what has just been described, the plate is compressed by bringing the sides perpendicular to its width closer to one another by mechanical bias exerted on these sides. Alternatively or additionally, other compression means may be used. Thus, in particular, it is possible to achieve suction in the cells 16 (see FIG. 2) formed in the recesses of the corrugations of the central element 14. Thus, in FIGS. 6A and 6B, two vacuum boxes 110 'are shown. , which are located respectively in the downstream and upstream regions of the compression station 110, and which perform a lateral suction tending to extract the fluid contained by the cells (this fluid is in particular air, but it can also act on another gas, for example). These vacuum boxes can be moved back and forth to be spaced apart from the plane of the conveyor as it moves forward and be brought closer to achieve suction. The equipment comprises means for exerting, on the outer faces 11 and 1Γ of the plate which are parallel to the film 12, a pressure allowing a controlled separation of its parallel outer faces. In this case, the plate is disposed on a plane support 113 against which rests the outer face 1Γ. A bearing surface 111 is disposed resting on the other outer face 11. In this case, the outer faces 11 and 11 'are respectively the upper and lower faces of the plate 10, the plane support being horizontal and the plate being laid on him. The bearing surface 111 is in this case formed on the lower surface of a bearing strip 115 disposed above the support 113, delimiting with respect to it a space which allows the insertion of the insulating product plate. 10 between the support and the support strip. In the situation shown in FIG. 7, the height of this space corresponds to the thickness E of the plate in the unstressed state (see also FIG. 1). The equipment comprises means for spacing at least a portion of the bearing surface 111 from the support as the compression wall is displaced to compress the plate 10. In this case, the equipment comprises rollers of weights placed on the support strip. These weight rollers comprise in this case two side rollers 120, respectively disposed against the inner faces of the walls 112, each roller being connected to the wall concerned by a tilting rod 122. Thus, the roller accompanies the movements of the wall according to the arrow f or f ', while being able to deviate from the support 113. In the middle part, the support strip 115 passes over a lifting roller 124, on either side of which are disposed two other rolls of weight 126. Via a return system, the lifting roller 124 is connected to the displacement of one of the compression walls 112 to move away from the support 113 as the compression wall moves by compressing the plate 10. In In this case, the lifting roller 124 is carried by a belt 128 which, via return pulleys 130, is connected to one of the walls 112. It could of course be envisaged that it be connected to the two walls, if they are all the two mobiles, or e even though it is connected to a winding pulley driven by a motor controlled by the system, that is to say the output of which takes into account the compression of the plate or plates. The weight rollers 126 are constrained for, while being able to roll freely on the outer surface of the band 115, remain in the middle region of the latter. For example, each weight roll 126 is connected to the weight roll 120 located on the same side of the lifting roller by a spring (not shown) working in compression. The mass of the rolls of weight is determined according to the weight that one wishes to act on the upper surface of the plate 10. It can be relatively modest, for example a few pounds. In FIG. 8, it can be seen that the walls 112 have approached each other, that the weight rollers 120 and 126 have accompanied this movement while remaining plated on the upper surface of the support strip 115, and that the lifting roller 124 has moved up.
    In FIG. 9, the same equipment as in FIG. 7 is shown, but several like plates are arranged on the support 113, under the bearing surface 111 and between the compression walls 112.
    The compression device operates in the same manner as that just described, and thus makes it possible to simultaneously compress a plurality of similar plates 10 arranged one above the other, that is to say superimposed by their side parallel to the film perpendicular to the direction of propagation of the corrugations.
    Of course, even if FIGS. 7 to 9 show the compression of one or more plates having a single central element 14, the invention functions in the same way for compressing one or more plates of the type shown in FIG. .
    权利要求:
    Claims (24)
    [1]
    A multilayer insulating product pack (200, 210), comprising: - at least one multilayer insulating product plate (10) which comprises at least one first film (12) and at least one central element (14), which is connected against said at least one first film (12) and which comprises corrugations propagating in a direction of propagation (X) with a pitch (P) and with an amplitude (A2) peak-to-peak; and - conditioning means (40, 50, 60) now constrains said at least one plate in a constrained state, characterized in that, in the stressed state, said at least one plate (10) is held compressed in the direction for propagating the corrugations (X) such that the pitch (P ') is smaller and the amplitude (A') greater in the constrained state than in an unconstrained state of the at least one plate.
    [2]
    The package (200, 210) according to claim 1, wherein the ratio between the pitch (P1) in the constrained state and the pitch (P) in the unconstrained state is between 0.02 and 0, 6, in particular between 0.05 and 0.4, more particularly between 0.15 and 0.35.
    [3]
    The package (200, 210) according to claim 1 or 2, wherein the ratio between the amplitude (A ') in the constrained state and the amplitude (A) in the unconstrained state is between 1, 2 and 4.5, in particular between 1.4 and 2.2.
    [4]
    The package (200, 210) according to any one of claims 1 to 3, wherein, in the stressed state, the dimension of said at least one plate (10) in the direction of propagation of the corrugations (X) is between 100 and 700 mm, in particular between 150 and 400 mm, in particular being substantially equal to 200 mm.
    [5]
    5. Package (200, 210) according to any one of claims 1 to 4, wherein, in the unconstrained state, the dimension of said at least one plate (10) in the direction of propagation of the corrugations (X) is between 1000 and 1500 mm, and is in particular substantially equal to 1200 mm.
    [6]
    6. Package (200, 210) according to any one of claims 1 to 5, wherein the profile of the corrugations of the central element (14) is zigzag.
    [7]
    7. Package (200, 210) according to claim 6, wherein the corrugations of the central element (14) have ridges (14a, 14b) defining a flat continuous outer face and rectilinear.
    [8]
    8. Package (200) according to any one of claims 1 to 7, wherein the conditioning means comprise a casing (50) or wrapping (40) which at least partially surrounds said at least one plate (10) in the now in the forced state.
    [9]
    9. Package (210) according to any one of claims 1 to 8, wherein the conditioning means comprise a rod or a wire (60), passing through said at least one plate (10) in the direction of propagation of the corrugations and retained at both ends (64) against the sides of the plate which extend transversely to the direction of propagation of the corrugations.
    [10]
    Pack (200, 210) according to any one of claims 1 to 9, comprising a plurality of plates (10A, 10B, 10C, 10D) each maintained in the state constrained by the conditioning means (40, 50, 60), these plates having in particular propagation directions (X) parallel and in particular superimposed perpendicularly to these parallel directions.
    [11]
    A method of making a package (200, 210) of multilayer insulating product comprising at least one multilayer insulating product plate (10) which comprises at least a first film (12) and at least one central element (14), which is connected against said at least one first film (12) and which comprises corrugations propagating in a direction of propagation (X) with a pitch (P) and with an amplitude (A) peak-to-peak, the method comprising a step in which said at least one plate is conditioned in a stressed state, characterized in that, from an unconstrained state of said at least one plate (10), a compression step is carried out by compressing said minus one plate in the direction of propagation of the undulations (X) to bring it into the constrained state in which the pitch (P ') is smaller and the amplitude (A1) larger than in the unconstrained state.
    [12]
    12. The method of claim 11, wherein during the compression step, said at least one plate 10) is compressed by moving the sides (11A, 11B) transverse to the direction of propagation closer to one another. ripples (X).
    [13]
    13. The method of claim 11 or 12, wherein, during the compression step, said at least one plate (10) is compressed by performing suction in the cells (16) formed in the hollow of the corrugations of the central element (14).
    [14]
    14. A method according to any one of claims 11 to 13, wherein, during the compression step, said at least one plate (10) is compressed in the direction of propagation of the corrugations (X), while exerting on its external faces (11, 1 Γ) parallel to the film (12), a pressure allowing a controlled separation of said parallel outer faces.
    [15]
    15. Method according to any one of claims 11 to 14, wherein, during the conditioning step, at least partially surrounds said at least one plate (10) by a jacket (50) or a wrapping (40). .
    [16]
    The method according to any one of claims 11 to 15, wherein, during the conditioning step, a rod or wire (60) is passed through said at least one plate (10) in the direction of propagation. undulations (X) and retaining the rod or wire at both ends (64) against the sides of the plate which extend transversely to the direction of propagation of the corrugations.
    [17]
    17. A method according to any one of claims 11 to 16, wherein, during the conditioning step, is conditioned a plurality of plates (10A, 10B, 10C, 10D), which are in particular arranged so as to have directions propagating (X) parallel and to be superimposed perpendicular to these directions.
    [18]
    18. Equipment for making a package (200, 210) of multilayer insulating product comprising at least one multilayer insulating product plate (10) which comprises at least a first film (12) and at least one central element (14), which is connected against said at least one first film (12) and which has corrugations se. propagating in a propagation direction (X) with a pitch (P) and a peak-to-peak amplitude (A), the equipment comprising means for forming a bundle wherein said at least one plate is conditioned in a constrained state, characterized in that it comprises a compression device (110) configured, from an unstressed state of said at least one plate (10), to compress said at least one plate in the direction of propagation of the corrugations (X ) to bring it into the constrained state in which the pitch (P) is smaller and the amplitude (A'2) larger than in the unconstrained state.
    [19]
    19. Equipment according to claim 18, wherein the compression device (110) comprises means (112) for compressing said at least one plate (10) by bringing one another closer to its sides (11A, 11B). ) transverse to the direction of propagation of the corrugations (X).
    [20]
    20. Equipment according to claim 18 or 19, the compression device (110) comprises means (110 ') for effecting suction in the cells (16) formed in the recesses of the corrugations of the central element (14).
    [21]
    21. Equipment according to any one of claims 18 to 20, wherein the compression device (110) comprises means (111, 113) for exerting, on the outer faces (11, 1 Γ) of the plate (10). parallel to the film (12), a pressure allowing a controlled separation of said parallel outer faces.
    [22]
    Equipment according to claim 21, wherein the means for exerting pressure on the parallel outer faces comprise a plane support (113) for the first external face (1Γ) and at least one bearing surface (111) disposed in support on the second outer face (11).
    [23]
    23. Equipment according to claim 22, wherein the means for compressing said at least one plate (10) comprises a compression wall (112) capable of being displaced in the direction of propagation of the corrugations (X) and the equipment comprises means (124) for spacing at least a portion of the bearing surface (111) from the support (113) as the compression wall (112) is moved to compress said at least one plate (10).
    [24]
    Equipment according to claim 23, wherein the plane support (113) is horizontal and the bearing surface (111) is formed on the lower surface of a support strip (115) disposed above the support (113) with a space for insertion of said at least one plate (10) between the support (113) and the support strip (115), the equipment comprises at least one weight roll (120, 126) disposed on the support strip (115), a lifting roller (124) over which the support strip passes and means (128, 130) for moving the lifting roller away from the support as the compression wall is moved to compress said at least one plate.
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    同族专利:
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    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    FR1458231|2014-09-03|
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