EP0553027A1 - Inflatable cushion for packaging - Google Patents

Inflatable cushion for packaging Download PDF

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Publication number
EP0553027A1
EP0553027A1 EP93400139A EP93400139A EP0553027A1 EP 0553027 A1 EP0553027 A1 EP 0553027A1 EP 93400139 A EP93400139 A EP 93400139A EP 93400139 A EP93400139 A EP 93400139A EP 0553027 A1 EP0553027 A1 EP 0553027A1
Authority
EP
European Patent Office
Prior art keywords
airbag
cushion
peripheral edge
wedging
notches
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP93400139A
Other languages
German (de)
French (fr)
Other versions
EP0553027B1 (en
Inventor
Michel Pozzo
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sealed Air Corp
Original Assignee
Ateliers de Conceptions et D'innovations Industrielles
Sealed Air Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ateliers de Conceptions et D'innovations Industrielles, Sealed Air Corp filed Critical Ateliers de Conceptions et D'innovations Industrielles
Publication of EP0553027A1 publication Critical patent/EP0553027A1/en
Application granted granted Critical
Publication of EP0553027B1 publication Critical patent/EP0553027B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D81/02—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents specially adapted to protect contents from mechanical damage
    • B65D81/05—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents specially adapted to protect contents from mechanical damage maintaining contents at spaced relation from package walls, or from other contents
    • B65D81/107—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents specially adapted to protect contents from mechanical damage maintaining contents at spaced relation from package walls, or from other contents using blocks of shock-absorbing material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D81/02—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents specially adapted to protect contents from mechanical damage
    • B65D81/05—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents specially adapted to protect contents from mechanical damage maintaining contents at spaced relation from package walls, or from other contents
    • B65D81/051—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents specially adapted to protect contents from mechanical damage maintaining contents at spaced relation from package walls, or from other contents using pillow-like elements filled with cushioning material, e.g. elastic foam, fabric
    • B65D81/052—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents specially adapted to protect contents from mechanical damage maintaining contents at spaced relation from package walls, or from other contents using pillow-like elements filled with cushioning material, e.g. elastic foam, fabric filled with fluid, e.g. inflatable elements

Definitions

  • the present invention relates generally to the field of airbag packaging.
  • Patents FR-A-2063701 or FR-A-2625172 are known in particular for packaging comprising a rigid box, for example a parallelepipedal against the interior walls of which six airbags are provided, respectively.
  • Each cushion or group of cushions comprises an inflation pipette which may optionally pass through a perforation formed in the homologous face of the box in order to allow inflation of said cushion or of the group of cushions from the outside.
  • An object to be packaged is thus, after inflation intimately wedged between the inner faces of the cushions which, by their deformability, adapt to the shape and / or the size of said object.
  • Such a packaging can be used to package articles of various sizes and shapes by wedging them each time suitably.
  • such known packaging must include a particular rigid box in the sense that it must be provided with at least one perforation allowing the passage of a pipette for inflation from the outside.
  • the present invention provides an airbag that is easy to achieve and which allows to properly wedge one or more objects to be packed in any rigid box, the establishment of said airbag and the object in the box being easy and fast.
  • Another object of the invention is to provide a packaging comprising an ordinary box and at least one cushion, the inflation of which can be easily carried out from outside the box after it has closed without any particular arrangement of the box being necessary. .
  • the airbag according to the invention advantageously being in one piece, allows easily after inflation to intimately wedge one or more objects to be packaged between the inner faces of said wedging parts which, by their pivoting, adapt to the shape of one or more such objects.
  • each interior opening has a rectangular shape, said notches extending from each of the corners of each rectangle towards the peripheral edge of said cushion and then delimiting two to two four parts wedging by opening, capable of coming into contact with the object to be packaged.
  • the interior opening has a shape well suited to receive one or more fragile objects of essentially parallelepiped shape.
  • packaging receptacles intended to receive the airbag according to the invention themselves having, most often parallelepipedal shapes, it is particularly recommended that in the deflated state the outer peripheral edge of said cushion described essentially a rectangle, each interior opening being placed in such a way that at least some notches extend in the direction of the corners of said peripheral edge.
  • the cushion according to the invention is easily and quickly put in place in the deflated or semi-inflated state and the object to be packaged in a rectangular packing box. Thereafter, the inflation of said cushion placed inside the box is terminated until the object to be packed is properly pinched by said wedging parts and the latter form damping parts between the object. and the side walls of the packing box.
  • Another object of the present invention is to provide a packaging comprising a rigid cardboard box or the like, at least one airbag according to the invention, and at least one other airbag placed above or below at least an object to be wrapped.
  • this other airbag in particular for such packaging comprising a box provided with at least one articulated closing flap, one edge of which is adjacent to a corner of the box, comprises a self-sealing inflation valve located in a corner region of said cushion, said inflation valve being placed, when said cushion is placed in the body, in the corner region, which makes it possible to inflate said cushion from the outside, after closing said flap , by means of a flexible inflation hose introduced into said inflation valve and passing through a space located between the hinged closure flap and at least one face of the body adjacent to the corner.
  • this other airbag can inflate from the outside when the packing box is closed, without the latter having special perforations to allow the passage of the flexible inflation hose, which allows the use of all packaging boxes with hinged closing flaps existing on the packaging market.
  • the method according to the invention comprises a preliminary step consisting in placing another cushion in said box.
  • FIG. 1 With reference, firstly to Figures 1, 2 and 3, there is shown a first embodiment of an airbag 100 for packaging according to the invention, intended to wedge and protect one or more objects to be packaged.
  • this airbag 100 has an outer peripheral edge 101 which here essentially describes a rectangle and which is generally adapted to the shape and size of a packaging receptacle, for example a box in rigid cardboard or the like.
  • this airbag 100 includes an interior opening 102 rectangular for example, capable of receiving at least one object 500 to be packaged and a plurality of notches 103, here four notches 103 extending from each of the corners of the rectangular internal opening 102 towards the peripheral edge 101 of said cushion 100 and more precisely in the direction of the corners of said peripheral edge 101.
  • the airbag 100 consists of two sheets of flexible plastic, here polyethylene vinyl acetate, juxtaposed and welded together at their edges along the LS welding lines.
  • polyethylene vinyl acetate is a particularly advantageous material because on the one hand it is flexible enough to adapt to the contours of the object to be packaged and at the same time sufficiently robust not to be pierced by possible parts. very protruding or pointed from the object and on the other hand, it can be incinerated without release of toxic or recyclable vapor.
  • the notches 103 delimit two by two of the wedging parts 104, 105, 106, 107, here four wedging parts capable of coming into contact with the object 500 to be packaged, by pivoting as will be seen later around privileged pivot zones 108 defined between said notches 103 and the peripheral edge 101.
  • the pivoting of said wedging parts 104, 105, 106, 107 around the privileged pivot zones 108 makes it possible to vary the size and / or the shape of the interior opening 102 to adapt it to objects of different sizes and / or shapes, while exerting a holding pressure on the object or objects to be packaged thanks to a return moment which is exerted at the pivot zones 108.
  • the shape of each notch 103 and / or the peripheral edge 101 is such that two privileged pivot zones 108 are defined at this level located respectively at two places where the spacing between said notch 103 and the outer peripheral edge 101 of said cushion 100 is the smallest.
  • the peripheral edge 101 is substantially straight between two corners and each notch 103 has a substantially teardrop shape, that is to say a formed shape. by two lines 103b, 103c diverging from a corner of the interior opening 102 towards the peripheral edge 101 and connected by a rounded 103a near this edge.
  • the outer peripheral edge 101 has notches at each notch 103, in order to define with said notch the preferred pivoting areas 108.
  • the shape and the size of the notches 103 and of the peripheral edge 101 are such that during inflation, two adjacent wedging parts spontaneously pivot in opposite directions, this spontaneous pivoting being due in particular to the fact that the inflation of the cushion will generate certain tensions in its material, in particular in the region close to the notches, and that these tensions are at a minimum after such a pivoting has occurred.
  • the four lateral edges of the object 500 placed in the airbag 100 are engaged in said notches 103, they are therefore not in contact with the cushion, which minimizes the risk of wear or damage to the cushion by these edges.
  • Said notches also constitute, thanks to their deformability, privileged shock absorption zones.
  • the airbag 100 shown in Figures 1, 2 and 3 has a self-sealing inflation valve 109 located on one side of the edge peripheral 101, making it possible to inflate or deflate said cushion by means of a flexible inflation hose which is introduced into said valve. It should be noted that this inflation valve 109 can be placed indifferently on any edge of said cushion 100, and for example on the edge of the interior opening 102, naturally opening towards the interior of said opening.
  • FIG. 4 there is shown an alternative embodiment of the airbag 100 of Figure 1, which here comprises two internal openings 102,102 'of square shape. In addition, it comprises eight notches 103, 103 'which extend from each of the corners of each square interior opening 102, 102' towards the peripheral edge 101 of said cushion 100.
  • the cushion has four sides cut at the four corners.
  • the internal openings 102, 102 ' are placed so that each opening 102, 102' comprises two notches 103, 103 'extending in the direction respectively of two corners of said peripheral edge 101 and two notches 103, 103' extending respectively towards the middle of the longitudinal parts 101a, 101b of the peripheral edge 101.
  • the cushion 100 comprises a fixed central wedging part 110 which extends between said openings 102, 102 'and which comprises a central hole 117 produced by cutting the two sheets forming the cushion and welding of the cut edges of said sheets along the line LS.
  • This central hole of circular shape makes it possible to play a role of shock absorbing pad when said cushion is placed between the face of a packing case and an object to be packed.
  • this circular hole 117 makes it possible to limit the thickness of the cushion in the inflated state.
  • FIG 5 there is shown another alternative embodiment of the airbag 100 of Figure 1, which has two interior openings 102,102 'each having an essentially rectilinear shape.
  • the internal openings 102, 102 'arranged in parallel have at each end a notch 103, 103'.
  • the cushion 100 then comprises four notches 103, 103 ', each of the notches extending towards a corner of the peripheral edge 101.
  • the cushion 100 comprises three wedging parts 104, 104 ′, 105. Two of the wedging portions 104, 104 'are pivotable and delimited each by the two notches 103, 103' extending from said openings.
  • the third wedging part is a fixed central part 105 comprised between the two openings 103, 103 '.
  • the cushion 100 has at the center of the central wedging part 105 two circular holes 117 which, as has already been explained, makes it possible to limit the thickness of the inflated cushion and to act as a shock absorber. In the same way as the cushion in FIG. 4, the four corners of this cushion have a cutaway.
  • FIG. 6 there is shown another airbag 200 according to the invention.
  • This other airbag 200 is in particular intended to be inserted in a packaging according to the invention shown in FIG. 10 and comprising, in particular, a box 10 provided with closure flaps articulated adjacent by one of their edges to a corner of the body, and an airbag 100 of the type shown in Figures 1, 2, 3, 4 and 5.
  • Two of the flaps are designated by the references 303 and 304.
  • the airbag 200 consists of two sheets 220 of flexible plastic, for example polyethylene vinyl acetate, welded together at their edges along the weld line LS.
  • the airbag 200 has a rectangular shape adapting to the shape and size of the body 10. This cushion shape is the preferred form knowing that most of the receptacles packaging has essentially rectangular shapes.
  • the airbag 200 advantageously comprises a self-sealing inflation valve 210 located in a corner region of said cushion 200.
  • said inflation valve 210 is placed in the region of a corner 300 of the body, which makes it possible to inflate said cushion 200 from the outside, after the closing of the articulated flaps, by means of a flexible inflation hose 400 introduced into said valve 210 and passing by a spacing located between the flaps 303 and 304 and the faces 301, 302 of the box adjacent to said corner 300.
  • This inflation characteristic is very advantageous because it makes it possible to use a packaging box with flaps devoid of any particular arrangement for letting said flexible pipe pass.
  • the self-sealing inflation valve 210 comprises two thin sheets 211 of plastic material, juxtaposed and welded together in two parallel lines so as to form a conduit for passage of the inflation hose 400 open at both ends.
  • the inflation valve 210 is located between the two sheets 220 forming said cushion 200 in the corner region of said cushion.
  • said valve as shown in FIG. 6, extends from a corner of the cushion over only part of the length of a diagonal of the cushion, which makes it possible to deflate the cushion by introducing the flexible hose. 400 in the valve beyond the free end of the passage duct.
  • the parallel weld lines of the two thin sheets 211 deviate locally from each other so that the passage conduit of the inflation hose created by said lines has a widening located at a distance from the free end of said conduit placed inside the cushion 200.
  • the two thin sheets 211 are applied to each other against one another by means of a curtain caused by proximity of the free end of said duct by said widening, so as to immediately obstruct the duct and then avoid partial deflation of said cushion.
  • the sheets 211 are welded at one of their ends to each other and to the two sheets 220 forming the cushion along a weld line 212a extending along a cutaway 212 from the corner of the cushion, leaving an unwelded zone in line with an opening 215 adjacent to the duct, to leave the duct open on the outside for the introduction of the flexible inflation hose 400.
  • the airbag comprises two flexible guide tabs 213 each of which is constituted by the extension, in superposition, of a sheet 220 of the cushion and of a sheet 211 of the valve.
  • a peripheral weld 212b distinct from the welding line 212a along the cutaway 212, ensures the joining thereof and have edges situated in the extension of the edges adjacent to the cushion 200. More specifically, it can be seen in FIGS.
  • the airbags 100 according to the invention shown in FIGS. 1, 2, 3, 4 and 5 can also, if necessary, include a self-sealing corner inflation valve according to the embodiments shown. more particularly in FIGS. 7, 8a, 8b and 9.
  • the airbag 200 has a central hole 216 produced by cutting the two sheets 220 forming the cushion and welding the cut edges of said sheets along the welding line LS.
  • This central hole here rectangular, advantageously allows the cushion to participate in the setting of the objects to be packaged.
  • the airbag 200 comprises four circular holes 217 produced by cutting said sheets 220 and welding along welding lines LS.
  • these circular holes 217 make it possible to limit the thickness of the cushion in the inflated state and play the role of shock absorbing pads when said cushion is placed between the face of a packing case and an object to be packed.
  • the packaging of the type shown in FIG. 10 only comprises two airbags 100 of the type shown in FIG. 4 in the inflated state, each airbag 100 being positioned in such a way that each fixed central wedging part 110 is placed against a lateral face of the object 500 to be packaged, each associated opening 102, 102 ′ being positioned obliquely with respect to said corresponding fixed central wedging portion 110 so that each corner of said object 500 is engaged in a opening 102, 102 ', the four wedging parts 104, 105, 106, 107, 104', 105 ', 106', 107 'associated with each opening 102, 102' pivoting so that one of the wedging parts either positioned against the upper face of the object 500, another wedging part is positioned against the underside of said object 500 and the other two wedging parts are positioned against two adjacent lateral faces your said object.
  • the packaging of the type shown in FIG. 10 comprises only two airbags 100 of the type shown in FIG. 5, a first airbag 100 being positioned in the inflated state below the object 500 to be packaged so that said fixed central wedging part 105 is placed against the underside of said object 500, said wedging parts 104, 104 'associated with the two openings 102, 102' pivoting so as to come to be placed against each of two lateral faces opposite of said object 500 so that the parallel lower transverse edges of said object engage in said openings 102, 102 ', the second airbag 100 being positioned in the inflated or semi-inflated state above the object to be packaged so that the fixed central wedging part 105 is positioned against the upper face of said object 500, said wedging parts associated with the x two openings pivoting so as to be placed against each of the other two opposite lateral faces of the object so that the parallel upper longitudinal edges of the latter come to engage in each of said openings of said cushion.
  • the invention advantageously applies to the transport and handling of all fragile goods, and in particular electronic, computer devices, etc., with the option of using a single type of packaging for a whole range of products and be able to reuse it several times.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Buffer Packaging (AREA)
  • Packages (AREA)
  • Bedding Items (AREA)
  • Supplying Of Containers To The Packaging Station (AREA)
  • Materials For Medical Uses (AREA)

Abstract

According to the invention, the said inflatable cushion includes: - an outer peripheral edge (101) adapted to the shape and to the dimension of a packaging receptacle, - at least one inner opening (102, 102') suitable for receiving at least one object to be packaged, - a plurality of notches (103, 103') extending from each inner opening towards the peripheral edge, the said notches limiting, in pairs, wedging parts (104, 105, 106, 107, 104', 105', 106', 107') suitable for coming into contact with the object, preferred pivoting zones (108) of the wedging parts being defined between the said notches and the peripheral edge, the said wedging parts being capable of pivoting at the time of inflation about preferred pivoting zones in order to vary the size and/or the shape of each inner opening and to adapt it to objects of different sizes while still exerting a holding pressure on the object or objects. Application to the packaging of objects of different sizes and/or shapes. <IMAGE>

Description

La présente invention a trait d'une façon générale au domaine des emballages à coussins gonflables.The present invention relates generally to the field of airbag packaging.

On connaît notamment par les brevets FR-A-2063701 ou FR-A-2625172 un emballage comprenant une caisse rigide par exemple parallélépipédique contre les parois intérieures de laquelle sont prévus respectivement six coussins gonflables. Chaque coussin ou groupe de coussins comporte une pipette de gonflage qui peut éventuellement traverser une perforation formée dans la face homologue de la caisse afin de permettre le gonflage dudit coussin ou du groupe de coussins depuis l'extérieur.Patents FR-A-2063701 or FR-A-2625172 are known in particular for packaging comprising a rigid box, for example a parallelepipedal against the interior walls of which six airbags are provided, respectively. Each cushion or group of cushions comprises an inflation pipette which may optionally pass through a perforation formed in the homologous face of the box in order to allow inflation of said cushion or of the group of cushions from the outside.

Un objet à emballer est ainsi, après gonflage intimement calé entre les faces intérieures des coussins qui, par leur déformabilité, s'adaptent à la forme et/ou à la taille dudit objet.An object to be packaged is thus, after inflation intimately wedged between the inner faces of the cushions which, by their deformability, adapt to the shape and / or the size of said object.

Ainsi, un tel emballage peut être utilisé pour emballer des articles de dimensions et de formes diverses en les calant à chaque fois convenablement.Thus, such a packaging can be used to package articles of various sizes and shapes by wedging them each time suitably.

Toutefois, un tel emballage connu présente plusieurs inconvénients.However, such known packaging has several drawbacks.

D'une part, le positionnement correct des coussins ou des groupes de coussins, à l'état dégonflé ou semi-gonflé, peut s'avérer fastidieux.On the one hand, the correct positioning of the cushions or groups of cushions, in the deflated or semi-inflated state, can prove to be tedious.

D'autre part, pour que les coussins puissent s'adapter aisément à des objets de tailles différentes, il est souhaitable de leur donner des profils particuliers, par exemple trapézoïdaux ce qui complique leur fabrication.On the other hand, so that the cushions can easily adapt to objects of different sizes, it is desirable to give them particular profiles, for example trapezoidal, which complicates their manufacture.

Enfin, on peut noter qu'un tel emballage connu doit comporter une caisse rigide particulière dans le sens où elle doit être munie d'au moins une perforation permettant le passage d'une pipette pour le gonflage depuis l'extérieur.Finally, it can be noted that such known packaging must include a particular rigid box in the sense that it must be provided with at least one perforation allowing the passage of a pipette for inflation from the outside.

Afin de pallier les différents inconvénients de la technique antérieure, la présente invention propose un coussin gonflable facile à réaliser et qui permet de caler convenablement un ou plusieurs objets à emballer dans une caisse rigide quelconque, la mise en place dudit coussin gonflable et de l'objet dans la caisse étant aisée et rapide. Un autre objet de l'invention est de proposer un emballage comprenant une caisse ordinaire et au moins un coussin dont le gonflage peut être réalisé aisément depuis l'extérieur de la caisse après sa fermeture sans qu'aucun aménagement particulier de la caisse ne soit nécessaire.In order to overcome the various drawbacks of the prior art, the present invention provides an airbag that is easy to achieve and which allows to properly wedge one or more objects to be packed in any rigid box, the establishment of said airbag and the object in the box being easy and fast. Another object of the invention is to provide a packaging comprising an ordinary box and at least one cushion, the inflation of which can be easily carried out from outside the box after it has closed without any particular arrangement of the box being necessary. .

Plus particulièrement, l'invention concerne un coussin gonflable pour emballage, comportant :

  • un bord périphérique extérieur adapté à la forme et à la dimension d'un réceptacle d'emballage,
  • au moins une ouverture intérieure apte à recevoir au moins un objet à emballer,
  • une pluralité d'encoches s'étendant à partir de chaque ouverture intérieure vers le bord périphérique, lesdites encoches délimitant deux à deux des parties de calage aptes à venir en contact avec l'objet, des zones de pivotement privilégié des parties de calage étant définies lors du gonflage entre lesdites encoches et le bord périphérique, lesdites parties de calage pouvant pivoter autour des zones de pivotement privilégié pour faire varier la taille et/ou la forme de chaque ouverture intérieure et l'adapter à des objets de tailles et/ou de formes différentes, tout en exerçant une pression de maintien sur le ou les objets.
More particularly, the invention relates to an airbag for packaging, comprising:
  • an outer peripheral edge adapted to the shape and size of a packaging receptacle,
  • at least one interior opening capable of receiving at least one object to be packaged,
  • a plurality of notches extending from each interior opening towards the peripheral edge, said notches delimiting two by two of the wedging parts capable of coming into contact with the object, zones of privileged pivoting of the wedging parts being defined during inflation between said notches and the peripheral edge, said wedging parts being able to pivot around the privileged pivoting zones to vary the size and / or the shape of each interior opening and to adapt it to objects of size and / or different shapes, while exerting a holding pressure on the object or objects.

Ainsi, le coussin gonflable selon l'invention, se présentant avantageusement en une seule pièce, permet aisément après gonflage de caler intimement un ou plusieurs objets à emballer entre les faces intérieures desdites parties de calage qui, par leur pivotement, s'adaptent à la forme d'un ou desdits objets.Thus, the airbag according to the invention, advantageously being in one piece, allows easily after inflation to intimately wedge one or more objects to be packaged between the inner faces of said wedging parts which, by their pivoting, adapt to the shape of one or more such objects.

Suivant un mode de réalisation préféré du coussin gonflable selon l'invention, chaque ouverture intérieure présente une forme rectangulaire, lesdites encoches s'étendant à partir de chacun des coins de chaque rectangle vers le bord périphérique dudit coussin et délimitant alors deux à deux quatre parties de calage par ouverture, aptes à venir en contact avec l'objet à emballer.According to a preferred embodiment of the airbag according to the invention, each interior opening has a rectangular shape, said notches extending from each of the corners of each rectangle towards the peripheral edge of said cushion and then delimiting two to two four parts wedging by opening, capable of coming into contact with the object to be packaged.

Ainsi, l'ouverture intérieure présente une forme bien adaptée à recevoir un ou des objets fragiles de forme essentiellement parallélépipédique.Thus, the interior opening has a shape well suited to receive one or more fragile objects of essentially parallelepiped shape.

En outre, les réceptacles d'emballage destinés à recevoir le coussin gonflable selon l'invention, présentant eux-mêmes, le plus souvent des formes parallélipédiques, il est particulièrement recommandé qu'à l'état dégonflé le bord périphérique extérieur dudit coussin décrit essentiellement un rectangle, chaque ouverture intérieure étant placée de telle manière qu'au moins certaines encoches s'étendent en direction des coins dudit bord périphérique.In addition, the packaging receptacles intended to receive the airbag according to the invention, themselves having, most often parallelepipedal shapes, it is particularly recommended that in the deflated state the outer peripheral edge of said cushion described essentially a rectangle, each interior opening being placed in such a way that at least some notches extend in the direction of the corners of said peripheral edge.

Ainsi on met en place aisément et rapidement le coussin selon l'invention à l'état dégonflé ou semi-gonflé et l'objet à emballer dans une caisse d'emballage parallélipipédique. Par la suite, on termine le gonflage dudit coussin placé à l'intérieur de la caisse jusqu'à ce que l'objet à emballer soit pincé convenablement par lesdites parties de calage et que ces dernières forment des parties d'amortissement entre l'objet et les parois latérales de la caisse d'emballage.Thus, the cushion according to the invention is easily and quickly put in place in the deflated or semi-inflated state and the object to be packaged in a rectangular packing box. Thereafter, the inflation of said cushion placed inside the box is terminated until the object to be packed is properly pinched by said wedging parts and the latter form damping parts between the object. and the side walls of the packing box.

Un autre objet de la présente invention est de proposer un emballage comprenant une caisse en carton rigide ou analogue, au moins un coussin gonflable selon l'invention, et au moins un autre coussin gonflable placé au-dessus ou au-dessous d'au moins un objet à emballer.Another object of the present invention is to provide a packaging comprising a rigid cardboard box or the like, at least one airbag according to the invention, and at least one other airbag placed above or below at least an object to be wrapped.

Selon l'invention, cet autre coussin gonflable, notamment pour un tel emballage comportant une caisse pourvue d'au moins un rabat de fermeture articulé dont un bord est adjacent à un coin de la caisse, comporte une valve de gonflage auto-obturatrice située dans une région d'angle dudit coussin, ladite valve de gonflage venant se placer, lorsque ledit coussin est mis en place dans la caisse, dans la région du coin, ce qui permet de gonfler ledit coussin depuis l'extérieur, après la fermeture dudit rabat, par l'intermédiaire d'un tuyau souple de gonflage introduit dans ladite valve de gonflage et passant par un espacement situé entre le rabat de fermeture articulé et au moins une face de la caisse adjacente au coin.According to the invention, this other airbag, in particular for such packaging comprising a box provided with at least one articulated closing flap, one edge of which is adjacent to a corner of the box, comprises a self-sealing inflation valve located in a corner region of said cushion, said inflation valve being placed, when said cushion is placed in the body, in the corner region, which makes it possible to inflate said cushion from the outside, after closing said flap , by means of a flexible inflation hose introduced into said inflation valve and passing through a space located between the hinged closure flap and at least one face of the body adjacent to the corner.

Ainsi, de manière avantageuse, cet autre coussin gonflable, selon l'invention peut se gonfler depuis l'extérieur lorsque la caisse d'emballage est fermée, sans que celle-ci comporte des perforations particulières pour permettre le passage du tuyau souple de gonflage, ce qui permet l'utilisation de toutes les caisses d'emballage à rabats de fermeture articulés existantes sur le marché de l'emballage.Thus, advantageously, this other airbag, according to the invention can inflate from the outside when the packing box is closed, without the latter having special perforations to allow the passage of the flexible inflation hose, which allows the use of all packaging boxes with hinged closing flaps existing on the packaging market.

Par ailleurs, l'invention concerne également un procédé d'emballage d'au moins un article à l'aide de l'emballage décrit précédemment et comportant une caisse dont une ouverture peut être fermée par des rabats articulés comprenant les étapes consistant à :

  • a) placer au moins un premier coussin gonflable selon l'invention, à l'état dégonflé ou semi-gonflé, ainsi que le ou les articles, à l'intérieur de la caisse par son ouverture, le ou les articles étant situés dans chaque ouverture intérieure de chaque coussin,
  • b) terminer le gonflage dudit coussin, disposer ensuite dans la caisse au moins un autre coussin gonflable selon l'invention à l'état dégonflé ou semi-gonflé un tuyau souple de gonflage étant introduit à l'intérieur de la valve auto-obturatrice dudit coussin gonflable,
  • c) fermer les rabats de la caisse en faisant en sorte que ledit tuyau de gonflage émerge à l'extérieur de ladite caisse à travers l'espacement situé entre un rabat et au moins une face de la caisse,
  • d) gonfler ledit coussin depuis l'extérieur de la caisse.
Furthermore, the invention also relates to a method of packaging at least one article using the packaging described above and comprising a box, an opening of which can be closed by articulated flaps comprising the steps consisting in:
  • a) placing at least one first airbag according to the invention, in the deflated or semi-inflated state, as well as the article or articles, inside the box by its opening, the article or articles being located in each inner opening of each cushion,
  • b) complete the inflation of said cushion, then place in the box at least one other inflatable cushion according to the invention in the deflated or semi-inflated state, a flexible inflation hose being introduced inside the self-sealing valve of said airbag,
  • c) closing the flaps of the box so that said inflation hose emerges outside of said box through the space between a flap and at least one face of the box,
  • d) inflate said cushion from outside the box.

De plus, afin de mieux protéger l'objet à emballer, le procédé selon l'invention comprend une étape préliminaire consistant à disposer dans ladite caisse un autre coussin.In addition, in order to better protect the object to be packaged, the method according to the invention comprises a preliminary step consisting in placing another cushion in said box.

D'autres aspects et avantages de la présente invention apparaîtront mieux à le lecture de la description détaillée suivante d'une forme de réalisation préférée de celle-ci, donnée à titre d'exemple et faite en référence aux dessins annexés, sur lesquels :

  • la figure 1 est une vue en plan d'un premier mode de réalisation d'un coussin gonflable conforme à l'invention à l'état dégonflé,
  • la figure 2 est une vue en plan du coussin gonflable de la figure 1 à l'état gonflé,
  • la figure 3 est une vue en perspective du coussin gonflable de la figure 1 à l'état gonflé,
  • la figure 4 est une vue en plan d'une première variante de réalisation du coussin gonflable de la figure 1 à l'état dégonflé,
  • la figure 5 est une vue en plan d'une deuxième variante de réalisation du coussin gonflable de la figure 1 à l'état dégonflé,
  • la figure 6 est une vue en plan d'un coussin gonflable selon l'invention à l'état dégonflé, comprenant une valve auto-obturatrice en coin,
  • la figure 7 est une vue en coupe suivant la ligne A-A' de la valve auto-obturatrice en coin du coussin gonflable de la figure 6,
  • la figure 8a est une vue de détail de la valve auto-obturatrice en coin et des deux languettes de guidage du coussin gonflable de la figure 6,
  • la figure 8b est une vue en coupe suivant la ligne B-B' de la valve et des deux languettes de la figure 8a,
  • la figure 9 est une vue de détail d'une variante de réalisation de la valve auto-obturatrice de la figure 6,
  • la figure 10 est une vue en perspective d'une caisse pour un emballage selon l'invention,
  • la figure 11 est une vue en plan d'une variante du coussin gonflable de la figure 6,
  • la figure 12 est une vue en plan d'une autre variante du coussin gonflable de la figure 6,
  • la figure 13 est une vue en plan d'un autre coussin selon l'invention à l'état dégonflé.
Other aspects and advantages of the present invention will appear better on reading the following detailed description of a preferred embodiment thereof, given by way of example and made with reference to the appended drawings, in which:
  • FIG. 1 is a plan view of a first embodiment of an airbag according to the invention in the deflated state,
  • FIG. 2 is a plan view of the airbag of FIG. 1 in the inflated state,
  • FIG. 3 is a perspective view of the airbag of FIG. 1 in the inflated state,
  • FIG. 4 is a plan view of a first alternative embodiment of the airbag of FIG. 1 in the deflated state,
  • FIG. 5 is a plan view of a second alternative embodiment of the airbag of FIG. 1 in the deflated state,
  • FIG. 6 is a plan view of an airbag according to the invention in the deflated state, comprising a self-sealing corner valve,
  • FIG. 7 is a sectional view along line AA ′ of the self-sealing valve in the corner of the airbag of FIG. 6,
  • FIG. 8a is a detailed view of the self-sealing corner valve and of the two guide tabs of the airbag of FIG. 6,
  • FIG. 8b is a sectional view along line BB ′ of the valve and of the two tongues of FIG. 8a,
  • FIG. 9 is a detailed view of an alternative embodiment of the self-sealing valve of FIG. 6,
  • FIG. 10 is a perspective view of a box for a package according to the invention,
  • FIG. 11 is a plan view of a variant of the airbag in FIG. 6,
  • FIG. 12 is a plan view of another variant of the airbag in FIG. 6,
  • Figure 13 is a plan view of another cushion according to the invention in the deflated state.

On notera préliminairement que, d'une figure à l'autre, des éléments ou parties identiques ou similaires ont été désignés dans la mesure du possible par les mêmes signes de référence, et ne seront pas décrits à chaque fois.It will be noted at the outset that, from one figure to another, identical or similar elements or parts have been designated as far as possible by the same reference signs, and will not be described each time.

En référence, tout d'abord aux figures 1, 2 et 3, on a représenté un premier mode de réalisation d'un coussin gonflable 100 pour emballage conforme à l'invention, destiné à caler et à protéger un ou plusieurs objets à emballer.With reference, firstly to Figures 1, 2 and 3, there is shown a first embodiment of an airbag 100 for packaging according to the invention, intended to wedge and protect one or more objects to be packaged.

Comme on peut le voir sur ces figures, ce coussin gonflable 100 comporte un bord périphérique extérieur 101 qui décrit ici essentiellement un rectangle et qui est adapté en général à la forme et à la dimension d'un réceptacle d'emballage, par exemple une caisse en carton rigide ou analogue. D'autre part, ce coussin gonflable 100 comporte une ouverture intérieure 102 rectangulaire par exemple, apte à recevoir au moins un objet 500 à emballer et une pluralité d'encoches 103, ici quatre encoches 103 s'étendant à partir de chacun des coins de l'ouverture intérieure 102 rectangulaire vers le bord périphérique 101 dudit coussin 100 et plus précisément en direction des coins dudit bord périphérique 101. Suivant le mode de réalisation représenté par les figures 1, 2 et 3, le coussin gonflable 100 est constitué de deux feuilles de matière plastique souple, ici du polyéthylène acétate de vinyle, juxtaposées et soudées entre elles au niveau de leurs bords suivant les lignes de soudage LS.As can be seen in these figures, this airbag 100 has an outer peripheral edge 101 which here essentially describes a rectangle and which is generally adapted to the shape and size of a packaging receptacle, for example a box in rigid cardboard or the like. On the other hand, this airbag 100 includes an interior opening 102 rectangular for example, capable of receiving at least one object 500 to be packaged and a plurality of notches 103, here four notches 103 extending from each of the corners of the rectangular internal opening 102 towards the peripheral edge 101 of said cushion 100 and more precisely in the direction of the corners of said peripheral edge 101. According to the embodiment represented by FIGS. 1, 2 and 3, the airbag 100 consists of two sheets of flexible plastic, here polyethylene vinyl acetate, juxtaposed and welded together at their edges along the LS welding lines.

On notera que le polyéthylène acétate de vinyle est un matériau particulièrement avantageux car d'une part il est suffisamment souple pour s'adapter aux contours de l'objet à emballer et en même temps suffisamment robuste pour ne pas être percé par d'éventuelles parties très saillantes ou pointues de l'objet et d'autre part, il est incinérable sans dégagement de vapeur toxique, ou recyclable.It will be noted that polyethylene vinyl acetate is a particularly advantageous material because on the one hand it is flexible enough to adapt to the contours of the object to be packaged and at the same time sufficiently robust not to be pierced by possible parts. very protruding or pointed from the object and on the other hand, it can be incinerated without release of toxic or recyclable vapor.

Comme on peut mieux le voir sur les figures 2 et 3, les encoches 103 délimitent deux à deux des parties de calage 104, 105, 106, 107, ici quatre parties de calage aptes à venir en contact avec l'objet 500 à emballer, en pivotant comme on va le voir plus loin autour de zones de pivotement privilégié 108 définies entre lesdites encoches 103 et le bord périphérique 101.As can be better seen in FIGS. 2 and 3, the notches 103 delimit two by two of the wedging parts 104, 105, 106, 107, here four wedging parts capable of coming into contact with the object 500 to be packaged, by pivoting as will be seen later around privileged pivot zones 108 defined between said notches 103 and the peripheral edge 101.

Selon l'invention, le pivotement desdites parties de calage 104, 105, 106, 107 autour des zones de pivotement privilégié 108 permet de faire varier la taille et/ou la forme de l'ouverture intérieure 102 pour l'adapter à des objets de tailles et/ou de formes différentes, tout en exerçant une pression de maintien sur le ou les objets à emballer grâce à un moment de rappel qui s'exerce au niveau des zones de pivotement 108. En l'espèce, la forme de chaque encoche 103 et/ou du bord périphérique 101 est telle que sont définies à ce niveau deux zones de pivotement privilégié 108 situé respectivement à deux endroits où l'espacement entre ladite encoche 103 et le bord périphérique extérieur 101 dudit coussin 100 est la plus faible. Dans cet exemple, comme on peut le voir sur les trois figures en question, le bord périphérique 101 est sensiblement rectiligne entre deux coins et chaque encoche 103 présente une forme sensiblement de goutte d'eau, c'est-à-dire une forme constituée par deux lignes 103b, 103c divergentes à partir d'un coin de l'ouverture intérieure 102 vers le bord périphérique 101 et raccordées par un arrondi 103a à proximité de ce bord.According to the invention, the pivoting of said wedging parts 104, 105, 106, 107 around the privileged pivot zones 108 makes it possible to vary the size and / or the shape of the interior opening 102 to adapt it to objects of different sizes and / or shapes, while exerting a holding pressure on the object or objects to be packaged thanks to a return moment which is exerted at the pivot zones 108. In this case, the shape of each notch 103 and / or the peripheral edge 101 is such that two privileged pivot zones 108 are defined at this level located respectively at two places where the spacing between said notch 103 and the outer peripheral edge 101 of said cushion 100 is the smallest. In this example, as can be seen in the three figures in question, the peripheral edge 101 is substantially straight between two corners and each notch 103 has a substantially teardrop shape, that is to say a formed shape. by two lines 103b, 103c diverging from a corner of the interior opening 102 towards the peripheral edge 101 and connected by a rounded 103a near this edge.

On observe qu'au niveau de l'arrondi 103a il existe deux endroits où l'espacement entre ladite encoche 103 et ledit bord périphérique extérieur 101 est le plus faible, et ces deux endroits définissent deux zones de pivotement privilégié 108. Il est bien entendu que les formes desdits encoches 103 et/ou du bord périphérique 101 décrites ne sont pas uniques et que l'homme du métier pourra y apporter toutes ses modifications, sachant qu'il suffit de créer entre une encoche 103 et le bord périphérique 101 au moins un rétrécissement de manière à définir au moins une zone de pivotement privilégié 108.It can be seen that at the level of the rounding 103a there are two places where the spacing between said notch 103 and said outer peripheral edge 101 is the smallest, and these two places define two privileged pivot zones 108. It is understood of course that the shapes of said notches 103 and / or of the peripheral edge 101 described are not unique and that the person skilled in the art will be able to make all of its modifications thereto, knowing that it suffices to create between a notch 103 and the peripheral edge 101 at least a narrowing so as to define at least one privileged pivoting area 108.

Par exemple, on peut envisager que le bord périphérique extérieur 101 présente des échancrures au niveau de chaque encoche 103, pour définir avec ladite encoche les zones de pivotement privilégié 108.For example, it is conceivable that the outer peripheral edge 101 has notches at each notch 103, in order to define with said notch the preferred pivoting areas 108.

D'autre part, comme on peut mieux le voir sur la figure 3, la forme et la dimension des encoches 103 et du bord périphérique 101 sont telles qu'au cours du gonflage, deux parties de calage voisines pivotent spontanément dans des sens opposés, ce pivotement spontané étant dû en particulier au fait que le gonflage du coussin va engendrer certaines tensions dans son matériau, notamment dans la région voisine des encoches, et que ces tensions se trouvent à un minimum après qu'un tel pivotement se soit produit.On the other hand, as can best be seen in FIG. 3, the shape and the size of the notches 103 and of the peripheral edge 101 are such that during inflation, two adjacent wedging parts spontaneously pivot in opposite directions, this spontaneous pivoting being due in particular to the fact that the inflation of the cushion will generate certain tensions in its material, in particular in the region close to the notches, and that these tensions are at a minimum after such a pivoting has occurred.

On notera avantageusement que suivant le mode de réalisation représenté par la figure 3, les quatre arêtes latérales de l'objet 500 placé dans le coussin gonflable 100 sont engagées dans lesdites encoches 103, elles ne sont donc pas en contact avec le coussin, ce qui minimise les risques d'usure ou de détoriation du coussin par ces arêtes. Lesdites encoches constituent par ailleurs, grâce à leur déformabilité, des zones d'amortissement privilégié des chocs.Advantageously, it will be noted that, according to the embodiment represented by FIG. 3, the four lateral edges of the object 500 placed in the airbag 100 are engaged in said notches 103, they are therefore not in contact with the cushion, which minimizes the risk of wear or damage to the cushion by these edges. Said notches also constitute, thanks to their deformability, privileged shock absorption zones.

Le coussin gonflable 100 montré aux figures 1, 2 et 3 présente une valve de gonflage auto-obturatrice 109 située sur un côté du bord périphérique 101, permettant de gonfler ou de dégonfler ledit coussin par l'intermédiaire d'un tuyau souple de gonflage que l'on introduit dans ladite valve. Il convient de préciser que cette valve de gonflage 109 peut être placée indifféremment sur n'importe quel bord dudit coussin 100, et par exemple sur le bord de l'ouverture intérieure 102, en débouchant naturellement vers l'intérieur de ladite ouverture.The airbag 100 shown in Figures 1, 2 and 3 has a self-sealing inflation valve 109 located on one side of the edge peripheral 101, making it possible to inflate or deflate said cushion by means of a flexible inflation hose which is introduced into said valve. It should be noted that this inflation valve 109 can be placed indifferently on any edge of said cushion 100, and for example on the edge of the interior opening 102, naturally opening towards the interior of said opening.

Sur la figure 4, on a représenté une variante de réalisation du coussin gonflable 100 de la figure 1, qui comporte ici deux ouvertures intérieures 102,102' de forme carrée. En outre, il comprend huit encoches 103,103' qui s'étendent à partir de chacun des coins de chaque ouverture intérieure carrée 102,102' vers le bord périphérique 101 dudit coussin 100. Ici, le coussin comporte quatre pans coupés aux quatre coins. Les ouvertures intérieures 102,102' sont placées de telle sorte que chaque ouverture 102,102' comprend deux encoches 103, 103' s'étendant en direction respectivement de deux coins dudit bord périphérique 101 et deux encoches 103,103' s'étendant respectivement vers les milieux des parties longitudinales 101a,101b du bord périphérique 101. Le coussin 100 montré sur la figure 4 comprend alors huit parties de calage pivotantes 104,105,106, 107,104',105',106', 107', définies chacune par deux encoches successives, lesdites parties de calage étant aptes à venir en contact avec un ou plusieurs objets à emballer. Par ailleurs, comme on peut le voir sur la figure 4, le coussin 100 comprend une partie de calage centrale fixe 110 qui s'étend entre lesdites ouvertures 102,102' et qui comporte un trou central 117 réalisé par découpage des deux feuilles formant le coussin et soudage des bords découpés desdites feuilles suivant la ligne LS. Ce trou central de forme circulaire permet de jouer un rôle de tampon absorbeur de chocs lorsque ledit coussin est placé entre la face d'une caisse d'emballage et un objet à emballer. De plus ce trou circulaire 117 permet de limiter l'épaisseur du coussin à l'état gonflé.In Figure 4, there is shown an alternative embodiment of the airbag 100 of Figure 1, which here comprises two internal openings 102,102 'of square shape. In addition, it comprises eight notches 103, 103 'which extend from each of the corners of each square interior opening 102, 102' towards the peripheral edge 101 of said cushion 100. Here, the cushion has four sides cut at the four corners. The internal openings 102, 102 'are placed so that each opening 102, 102' comprises two notches 103, 103 'extending in the direction respectively of two corners of said peripheral edge 101 and two notches 103, 103' extending respectively towards the middle of the longitudinal parts 101a, 101b of the peripheral edge 101. The cushion 100 shown in FIG. 4 then comprises eight pivoting wedging parts 104, 105, 106, 107, 104 ', 105', 106 ', 107', each defined by two successive notches, said wedging parts being suitable to come into contact with one or more objects to be packaged. Furthermore, as can be seen in FIG. 4, the cushion 100 comprises a fixed central wedging part 110 which extends between said openings 102, 102 'and which comprises a central hole 117 produced by cutting the two sheets forming the cushion and welding of the cut edges of said sheets along the line LS. This central hole of circular shape makes it possible to play a role of shock absorbing pad when said cushion is placed between the face of a packing case and an object to be packed. In addition, this circular hole 117 makes it possible to limit the thickness of the cushion in the inflated state.

Sur la figure 5, on a représenté une autre variante de réalisation du coussin gonflable 100 de la figure 1, qui comporte deux ouvertures intérieures 102,102' présentant chacune une forme essentiellement rectiligne. Les ouvertures intérieures 102, 102' disposées en parallèle présentent à chaque extrémité une encoche 103,103'. Le coussin 100 comporte alors quatre encoches 103,103', chacune des encoches s'étendant en direction d'un coin du bord périphérique 101. En outre, le coussin 100 comprend trois parties de calage 104,104',105. Deux des parties de calage 104,104' sont pivotantes et délimitées chacune par les deux encoches 103,103' s'étendant à partir desdites ouvertures. La troisième partie de calage est une partie centrale fixe 105 comprise entre les deux ouvertures 103,103'. Par ailleurs, le coussin 100 comporte au centre de la partie de calage centrale 105 deux trous circulaires 117 qui, comme cela a déjà été explicité, permet de limiter l'épaisseur du coussin gonflé et de jouer un rôle d'absorbeur de chocs. De la même façon que le coussin de la figure 4, les quatre coins de ce coussin présentent un pan coupé.In Figure 5, there is shown another alternative embodiment of the airbag 100 of Figure 1, which has two interior openings 102,102 'each having an essentially rectilinear shape. The internal openings 102, 102 'arranged in parallel have at each end a notch 103, 103'. The cushion 100 then comprises four notches 103, 103 ', each of the notches extending towards a corner of the peripheral edge 101. In addition, the cushion 100 comprises three wedging parts 104, 104 ′, 105. Two of the wedging portions 104, 104 'are pivotable and delimited each by the two notches 103, 103' extending from said openings. The third wedging part is a fixed central part 105 comprised between the two openings 103, 103 '. Furthermore, the cushion 100 has at the center of the central wedging part 105 two circular holes 117 which, as has already been explained, makes it possible to limit the thickness of the inflated cushion and to act as a shock absorber. In the same way as the cushion in FIG. 4, the four corners of this cushion have a cutaway.

En référence à la figure 6, on a représenté un autre coussin gonflable 200 conforme à l'invention. Cet autre coussin gonflable 200 est notamment destiné à s'insérer dans un emballage selon l'invention représenté à la figure 10 et comprenant, en particulier, une caisse 10 pourvue de rabats de fermeture articulés adjacents par un de leurs bords à un coins de la caisse, ainsi qu'un coussin gonflable 100 du type représenté aux figures 1, 2, 3, 4 et 5. Deux des rabats sont désignés par les références 303 et 304.Referring to Figure 6, there is shown another airbag 200 according to the invention. This other airbag 200 is in particular intended to be inserted in a packaging according to the invention shown in FIG. 10 and comprising, in particular, a box 10 provided with closure flaps articulated adjacent by one of their edges to a corner of the body, and an airbag 100 of the type shown in Figures 1, 2, 3, 4 and 5. Two of the flaps are designated by the references 303 and 304.

Suivant le mode de réalisation de la figure 6, le coussin gonflable 200 est constitué de deux feuilles 220 de matière plastique souple, par exemple du polyéthylène acétate de vinyle, soudées entre-elles au niveau de leurs bords suivant la ligne de soudure LS. Comme on peut le voir sur la figure 6, le coussin gonflable 200 présente une forme rectangulaire s'adaptant à la forme et à la dimension de la caisse 10. Cette forme de coussin est la forme préférée sachant que la majeure partie des réceptacles d'emballage présente des formes essentiellement parallélépipédiques.According to the embodiment of Figure 6, the airbag 200 consists of two sheets 220 of flexible plastic, for example polyethylene vinyl acetate, welded together at their edges along the weld line LS. As can be seen in Figure 6, the airbag 200 has a rectangular shape adapting to the shape and size of the body 10. This cushion shape is the preferred form knowing that most of the receptacles packaging has essentially rectangular shapes.

Par ailleurs, le coussin gonflable 200 comporte avantageusement une valve de gonflage auto-obturatrice 210 située dans une région d'angle dudit coussin 200. Ainsi lorsque ce dernier est mis en place dans la caisse 10, ladite valve de gonflage 210 vient se placer dans la région d'un coin 300 de la caisse, ce qui permet de gonfler ledit coussin 200 depuis l'extérieur, après la fermeture des rabats articulés, par l'intermédiaire d'un tuyau souple de gonflage 400 introduit dans ladite valve 210 et passant par un espacement situé entre les rabats 303 et 304 et les faces 301, 302 de la caisse adjacentes audit coin 300. Cette caractéristique de gonflage est très intéressante car elle permet d'utiliser une caisse d'emballage à rabats dépourvue de tout aménagement particulier pour laisser passer ledit tuyau souple.Furthermore, the airbag 200 advantageously comprises a self-sealing inflation valve 210 located in a corner region of said cushion 200. Thus when the latter is placed in the body 10, said inflation valve 210 is placed in the region of a corner 300 of the body, which makes it possible to inflate said cushion 200 from the outside, after the closing of the articulated flaps, by means of a flexible inflation hose 400 introduced into said valve 210 and passing by a spacing located between the flaps 303 and 304 and the faces 301, 302 of the box adjacent to said corner 300. This inflation characteristic is very advantageous because it makes it possible to use a packaging box with flaps devoid of any particular arrangement for letting said flexible pipe pass.

Comme on peut le voir sur les figures 6, 7 et 8a, la valve de gonflage auto-obturatrice 210 comprend deux feuilles minces 211 de matière plastique, juxtaposées et soudées entre-elles selon deux lignes parallèles de manière à former un conduit de passage du tuyau souple de gonflage 400 ouvert à ses deux extrémités. Comme le montre mieux la figure 7, la valve de gonflage 210 est située entre les deux feuilles 220 formant ledit coussin 200 dans la région d'angle dudit coussin. En outre, ladite valve, comme le montre la figure 6, s'étend à partir d'un coin du coussin sur une partie seulement de la longueur d'une diagonale du coussin, ce qui permet de dégonfler le coussin en introduisant le tuyau souple 400 dans la valve au-delà de l'extrémité libre du conduit de passage.As can be seen in FIGS. 6, 7 and 8a, the self-sealing inflation valve 210 comprises two thin sheets 211 of plastic material, juxtaposed and welded together in two parallel lines so as to form a conduit for passage of the inflation hose 400 open at both ends. As best shown in Figure 7, the inflation valve 210 is located between the two sheets 220 forming said cushion 200 in the corner region of said cushion. Furthermore, said valve, as shown in FIG. 6, extends from a corner of the cushion over only part of the length of a diagonal of the cushion, which makes it possible to deflate the cushion by introducing the flexible hose. 400 in the valve beyond the free end of the passage duct.

Selon une variante de la valve de gonflage auto-obturatrice 210 représentée sur la figure 9, les lignes parallèles de soudage des deux feuilles minces 211, s'écartent localement mutuellement l'une de l'autre de telle sorte que le conduit de passage du tuyau souple de gonflage créé par lesdites lignes comporte un élargissement situé à distance de l'extrémité libre dudit conduit placée à l'intérieur du coussin 200.According to a variant of the self-sealing inflation valve 210 shown in FIG. 9, the parallel weld lines of the two thin sheets 211, deviate locally from each other so that the passage conduit of the inflation hose created by said lines has a widening located at a distance from the free end of said conduit placed inside the cushion 200.

Ainsi, avantageusement lorsqu'on arrête le gonflage dudit coussin 200 et que le tuyau 400 se trouve encore engagé partiellement dans le conduit de passage, les deux feuilles minces 211 s'appliquent mutuellement l'une contre l'autre grâce à un voilage occasionné à proximité de l'extrémité libre dudit conduit par ledit élargissement, de manière à obstruer immédiatement le conduit et éviter alors le dégonflage partiel dudit coussin.Thus, advantageously when the inflation of said cushion 200 is stopped and the pipe 400 is still partially engaged in the passage duct, the two thin sheets 211 are applied to each other against one another by means of a curtain caused by proximity of the free end of said duct by said widening, so as to immediately obstruct the duct and then avoid partial deflation of said cushion.

De plus, comme le montrent les figures 6, 8a, 8b et 9, les feuilles 211 sont soudées à une de leurs extrémités entre elles et aux deux feuilles 220 formant le coussin selon une ligne de soudure 212a s'étendant suivant un pan coupé 212 du coin du coussin, en laissant une zone non soudée au droit d'une ouverture 215 adjacente du conduit, pour laisser le conduit ouvert sur l'extérieur pour l'introduction du tuyau souple de gonflage 400.In addition, as shown in FIGS. 6, 8a, 8b and 9, the sheets 211 are welded at one of their ends to each other and to the two sheets 220 forming the cushion along a weld line 212a extending along a cutaway 212 from the corner of the cushion, leaving an unwelded zone in line with an opening 215 adjacent to the duct, to leave the duct open on the outside for the introduction of the flexible inflation hose 400.

Afin de faciliter l'introduction du tuyau souple dans le conduit, il est prévu, comme on peut le voir sur les figures 6, 8a, 8b, et 9, que le coussin gonflable comporte deux languettes souples de guidage 213 dont chacune est constituée par le prolongement, en superposition, d'une feuille 220 du coussin et d'une feuille 211 de la valve. Suivant le mode de réalisation représenté plus particulièrement sur les figures 8a et 8b, une soudure périphérique 212b, distincte de la ligne de soudage 212a suivant le pan coupé 212, assure la solidarisation de celles-ci et présentent des bords situés dans le prolongement des bords adjacents du coussin 200. Plus précisément, on peut voir sur les figures 8a, 8b et 9, que l'extrémité de la valve de gonflage est soudée au coussin 200 suivant une ligne de soudage 212a, cette soudure liant d'une part les deux feuilles minces 211 et les deux feuilles 220 constituant ledit coussin. Suivant la variante de réalisation représentée sur la figure 9, on distingue une seule ligne de soudure 212a' s'étendant suivant le pan coupé 212, qui permet d'une part d'assurer le soudage des feuilles formant la valve auto-obturatrice entre-elles et aux feuilles formant le coussin et d'autre part la solidarisation des feuilles constituant les languettes de guidage audit coussin. On remarquera que cette ligne de soudage 212a' présente une largeur nettement supérieure à celle de la simple ligne de soudage 212a. Ceci permet l'inscription éventuelle dans ladite ligne de soudage 212a' d'une marque ou bien d'une spécification quelconque relative audit coussin.To facilitate the introduction of the flexible hose into the conduit, it is provided, as can be seen in Figures 6, 8a, 8b, and 9, that the airbag comprises two flexible guide tabs 213 each of which is constituted by the extension, in superposition, of a sheet 220 of the cushion and of a sheet 211 of the valve. According to the embodiment shown more particularly in FIGS. 8a and 8b, a peripheral weld 212b, distinct from the welding line 212a along the cutaway 212, ensures the joining thereof and have edges situated in the extension of the edges adjacent to the cushion 200. More specifically, it can be seen in FIGS. 8a, 8b and 9, that the end of the inflation valve is welded to the cushion 200 along a weld line 212a, this weld linking on the one hand the two thin sheets 211 and the two sheets 220 constituting said cushion. According to the embodiment shown in FIG. 9, there is a single weld line 212a 'extending along the cutaway 212, which on the one hand ensures the welding of the sheets forming the self-sealing valve between- them and to the sheets forming the cushion and on the other hand the joining of the sheets constituting the guide tabs to said cushion. It will be noted that this welding line 212a ′ has a width much greater than that of the simple welding line 212a. This allows the possible entry in said welding line 212a 'of a mark or of any specification relating to said cushion.

A ce niveau, il convient de préciser que les coussins gonflables 100 selon l'invention représentés aux figures 1, 2, 3, 4 et 5 peuvent eux aussi comporter si nécessaire une valve de gonflage auto-obturatrice en coin suivant les modes de réalisation montrés plus particulièrement aux figures 7, 8a, 8b et 9.At this level, it should be noted that the airbags 100 according to the invention shown in FIGS. 1, 2, 3, 4 and 5 can also, if necessary, include a self-sealing corner inflation valve according to the embodiments shown. more particularly in FIGS. 7, 8a, 8b and 9.

En référence aux figures 11 et 12, on a représenté deux autres modes de réalisation du coussin gonflable 100 équipé d'une valve en coin. Comme on peut le voir sur la figure 11, le coussin gonflable 200 comporte un trou central 216 réalisé par découpage des deux feuilles 220 formant le coussin et soudage des bords découpés desdites feuilles suivant la ligne de soudage LS. Ce trou central, ici de forme rectangulaire, permet avantageusement au coussin de participer au calage des objets à emballer.Referring to Figures 11 and 12, there are shown two other embodiments of the airbag 100 fitted with a wedge valve. As can be seen in FIG. 11, the airbag 200 has a central hole 216 produced by cutting the two sheets 220 forming the cushion and welding the cut edges of said sheets along the welding line LS. This central hole, here rectangular, advantageously allows the cushion to participate in the setting of the objects to be packaged.

Suivant le mode de réalisation représenté à la figure 12, le coussin gonflable 200 comporte quatre trous circulaires 217 réalisés par découpage desdites feuilles 220 et soudage suivant des lignes de soudage LS. Avantageusement, ces trous circulaires 217 permettent de limiter l'épaisseur du coussin à l'état gonflé et jouent un rôle de tampons absorbeurs de chocs lorsque ledit coussin est placé entre la face d'une caisse d'emballage et un objet à emballer.According to the embodiment shown in FIG. 12, the airbag 200 comprises four circular holes 217 produced by cutting said sheets 220 and welding along welding lines LS. Advantageously, these circular holes 217 make it possible to limit the thickness of the cushion in the inflated state and play the role of shock absorbing pads when said cushion is placed between the face of a packing case and an object to be packed.

En outre, l'emballage du type représenté à la figure 10 comporte une caisse 10 ordinaire en carton rigide ou analogue munie de rabats de fermeture articulés et par exemple :

  • un premier coussin gonflable 200 du type représenté aux figures 6 et 11 ou 12, au fond de la caisse 10,
  • au-dessus de ce coussin 200, l'objet 500 à emballer maintenu dans un coussin gonflable 100 du type représenté aux figures 1, 2 et 3, à l'état gonflé,
  • un deuxième coussin gonflable 200 du type représenté aux figures 6 et 11 ou 12 placé au-dessus de l'objet 500 à emballer, à l'état dégonflé ou semi-gonflé. Ce dernier coussin est gonflé, après la fermeture des rabats articulés de la caisse 10, par l'intermédiaire du tuyau souple 400 introduit dans la valve de gonflage 210 correspondante et traversant la caisse au niveau d'un de ses coins, entre les rabats 303,304 et les faces latérales 301, 302.
In addition, the packaging of the type shown in FIG. 10 comprises an ordinary box 10 of rigid cardboard or the like provided with articulated closing flaps and for example:
  • a first airbag 200 of the type shown in FIGS. 6 and 11 or 12, at the bottom of the body 10,
  • above this cushion 200, the object 500 to be packaged maintained in an airbag 100 of the type shown in FIGS. 1, 2 and 3, in the inflated state,
  • a second airbag 200 of the type shown in Figures 6 and 11 or 12 placed above the object 500 to be packed, in the deflated or semi-inflated state. This last cushion is inflated, after the closing of the articulated flaps of the box 10, by means of the flexible pipe 400 introduced into the corresponding inflation valve 210 and passing through the box at one of its corners, between the flaps 303,304 and the side faces 301, 302.

Selon un deuxième exemple, l'emballage du type représenté à la figure 10 comporte uniquement deux coussins gonflables 100 du type représenté à la figure 4 à l'état gonflé, chaque coussin gonflable 100 étant positionné de telle manière que chaque partie de calage centrale fixe 110 soit placée contre une face latérale de l'objet 500 à emballer, chaque ouverture 102, 102' associée étant positionnée en oblique par rapport à ladite partie de calage centrale fixe 110 correspondante de telle sorte que chaque coin dudit objet 500 est engagé dans une ouverture 102, 102', les quatre parties de calage 104, 105, 106, 107, 104', 105', 106', 107' associées à chaque ouverture 102, 102' pivotant de façon à ce qu'une des parties de calage soit positionnée contre la face supérieure de l'objet 500, une autre partie de calage soit positionnée contre la face inférieure dudit objet 500 et les deux autres parties de calage soient positionnées contre deux faces latérales adjacentes dudit objet.According to a second example, the packaging of the type shown in FIG. 10 only comprises two airbags 100 of the type shown in FIG. 4 in the inflated state, each airbag 100 being positioned in such a way that each fixed central wedging part 110 is placed against a lateral face of the object 500 to be packaged, each associated opening 102, 102 ′ being positioned obliquely with respect to said corresponding fixed central wedging portion 110 so that each corner of said object 500 is engaged in a opening 102, 102 ', the four wedging parts 104, 105, 106, 107, 104', 105 ', 106', 107 'associated with each opening 102, 102' pivoting so that one of the wedging parts either positioned against the upper face of the object 500, another wedging part is positioned against the underside of said object 500 and the other two wedging parts are positioned against two adjacent lateral faces your said object.

Selon un troisième exemple, l'emballage du type représenté à la figure 10 comporte uniquement deux coussins gonflables 100 du type représenté à la figure 5, un premier coussin gonflable 100 étant positionné à l'état gonflé en dessous de l'objet 500 à emballer de telle manière que ladite partie de calage centrale fixe 105 soit placée contre la face inférieure dudit objet 500, lesdites parties de calage 104, 104' associées aux deux ouvertures 102, 102' pivotant de manière à venir se placer contre chacune de deux faces latérales opposées dudit objet 500 de façon à ce que les arêtes transversales inférieures parallèles dudit objet viennent s'engager dans lesdites ouvertures 102, 102', le deuxième coussin gonflable 100 étant positionné à l'état gonflé ou semi-gonflé au-dessus de l'objet à emballer de telle manière que la partie de calage centrale fixe 105 soit positionnée contre la face supérieure dudit objet 500, lesdites parties de calage associées aux deux ouvertures pivotant de manière à venir se placer contre chacune des deux autres faces latérales opposées de l'objet de façon à ce que les arêtes longitudinales supérieures parallèles de ce dernier viennent s'engager dans chacune desdites ouvertures dudit coussin.According to a third example, the packaging of the type shown in FIG. 10 comprises only two airbags 100 of the type shown in FIG. 5, a first airbag 100 being positioned in the inflated state below the object 500 to be packaged so that said fixed central wedging part 105 is placed against the underside of said object 500, said wedging parts 104, 104 'associated with the two openings 102, 102' pivoting so as to come to be placed against each of two lateral faces opposite of said object 500 so that the parallel lower transverse edges of said object engage in said openings 102, 102 ', the second airbag 100 being positioned in the inflated or semi-inflated state above the object to be packaged so that the fixed central wedging part 105 is positioned against the upper face of said object 500, said wedging parts associated with the x two openings pivoting so as to be placed against each of the other two opposite lateral faces of the object so that the parallel upper longitudinal edges of the latter come to engage in each of said openings of said cushion.

Sur la figure 13, on distingue un autre coussin gonflable 400 selon l'invention. Ce coussin gonflable 400 constitué par des feuilles en plastique souple soudées entre elles au niveau de leurs bords, comporte :

  • un bord périphérique extérieur 401 qui présente quatre pans coupés aux quatre coins,
  • une pluralité d'encoches 402, 403, 404, 405 s'étendant vers l'intérieur du coussin 400 à partir du bord périphérique 401,
  • une pluralité de lignes de soudage 410 s'étendant à partir de chaque encoche en direction de l'encoche adjacente, une partie de calage 406 articulée étant définie conjointement par une ligne de soudage 410, des parties de chaque encoche 402, 403, 404, 405 associée et le bord périphérique 401. Les parties de calage articulées 406 présentent une forme essentiellement trapézoïdale. En outre chaque partie de calage articulée 406 communique avec le reste du coussin via une partie interrompue 410a de chaque ligne de soudage 410. Ces parties interrompues 410a des lignes de soudage 410 sont situées au milieu de ces dernières. De plus les parties de calage articulées 406 pivotent sensiblement autour desdites lignes de soudage 410. On remarquera que lesdites encoches 402, 403, 404, 405 du coussin gonflable 400 présentent une forme semi-circulaire. Par ailleurs, on distingue sur la figure 13, que le coussin 400 comporte un trou central 417 de forme circulaire jouant le rôle de tampon absorbeur de chocs et permettant de limiter l'épaisseur du coussin à l'état gonflé. Le coussin 400 comprend également une valve auto-obturatrice 411 située dans une région d'angle dudit coussin 400. Cette valve 411 est du type représenté sur les figures 8a ou 9.
In Figure 13, there is another airbag 400 according to the invention. This airbag 400 constituted by flexible plastic sheets welded together at their edges, comprises:
  • an outer peripheral edge 401 which has four sides cut at the four corners,
  • a plurality of notches 402, 403, 404, 405 extending towards the inside of the cushion 400 from the peripheral edge 401,
  • a plurality of welding lines 410 extending from each notch in the direction of the adjacent notch, an articulated wedging part 406 being defined jointly by a welding line 410, parts of each notch 402, 403, 404, 405 associated and the peripheral edge 401. The articulated wedging parts 406 have an essentially trapezoidal shape. In addition, each articulated wedging part 406 communicates with the rest of the cushion via an interrupted part 410a of each welding line 410. These interrupted parts 410a of the welding lines 410 are located in the middle of the latter. In addition, the articulated wedging parts 406 pivot substantially around said welding lines 410. It will be noted that said notches 402, 403, 404, 405 of the airbag 400 has a semi-circular shape. Furthermore, it can be seen in FIG. 13 that the cushion 400 has a central hole 417 of circular shape playing the role of shock absorbing pad and making it possible to limit the thickness of the cushion in the inflated state. The cushion 400 also includes a self-sealing valve 411 located in a corner region of said cushion 400. This valve 411 is of the type shown in FIGS. 8a or 9.

L'invention s'applique avantageusement au transport et à la manutention de toute marchandise fragile, et notamment appareils électroniques, informatiques, etc..., avec la faculté d'utiliser un seul type d'emballage pour toute une gamme de produits et de pouvoir le réutiliser plusieurs fois.The invention advantageously applies to the transport and handling of all fragile goods, and in particular electronic, computer devices, etc., with the option of using a single type of packaging for a whole range of products and be able to reuse it several times.

Bien entendu, la présente invention n'est nullement limitée à la forme de réalisation décrite et représentée, mais l'homme du métier saura y apporter toute variante conforme à son esprit.Of course, the present invention is in no way limited to the embodiment described and shown, but a person skilled in the art will know how to make any variant which conforms to his spirit.

Claims (22)

Coussin gonflable (100) pour emballage, caractérisé en ce qu'il comporte : - un bord périphérique extérieur (101) adapté à la forme et à la dimension d'un réceptacle d'emballage, - au moins une ouverture intérieure (102,102') apte à recevoir au moins un objet à emballer, - une pluralité d'encoches (103,103') s'étendant à partir de chaque ouverture intérieure (102,102') vers le bord périphérique (101), lesdites encoches (103,103') délimitant deux à deux des parties de calage (104,105,106,107,104',105',106',107') aptes à venir en contact avec l'objet, des zones de pivotement privilégié (108) des parties de calage (104,105,106, 107,104',105',106',107') étant définies entre lesdites encoches et le bord périphérique, lesdites parties de calage (104,105,106,107,104',105',106',107') pouvant pivoter lors du gonflage autour des zones de pivotement privilégié (108) pour faire varier la taille et/ou la forme de chaque ouverture intérieure (102,102') et l'adapter à des objets de tailles différentes, tout en exerçant une pression de maintien sur le ou les objets. Airbag (100) for packaging, characterized in that it comprises: - an outer peripheral edge (101) adapted to the shape and size of a packaging receptacle, - at least one interior opening (102, 102 ') capable of receiving at least one object to be packaged, - A plurality of notches (103,103 ') extending from each interior opening (102,102') towards the peripheral edge (101), said notches (103,103 ') delimiting two by two wedging parts (104,105,106,107,104', 105 ', 106', 107 ') able to come into contact with the object, privileged pivot zones (108) of the wedging parts (104,105,106, 107,104', 105 ', 106', 107 ') being defined between said notches and the peripheral edge, said wedging parts (104,105,106,107,104 ', 105', 106 ', 107') which can pivot during inflation around the privileged pivot zones (108) to vary the size and / or shape of each interior opening (102.102 ') and adapt it to objects of different sizes, while exerting a holding pressure on the object or objects. Coussin gonflable (100) selon la revendication 1, caractérisé en ce que chaque ouverture intérieure (102,102') présente une forme rectangulaire, lesdites encoches (103,103') s'étendant à partir de chacun des coins de chaque rectangle vers le bord périphérique (101) dudit coussin (100) et délimitant alors deux à deux quatre parties de calage par ouverture, aptes à venir en contact avec l'objet à emballer.Airbag (100) according to claim 1, characterized in that each interior opening (102,102 ') has a rectangular shape, said notches (103,103') extending from each of the corners of each rectangle towards the peripheral edge (101 ) of said cushion (100) and then delimiting two by two four wedging parts by opening, capable of coming into contact with the object to be packaged. Coussin gonflable (100) selon la revendication 1, caractérisé en ce que chaque ouverture intérieure (102,102') présente une forme essentiellement rectiligne, lesdites encoches (103,103') s'étendant à partir de chacune des extrémités de chaque ouverture rectiligne vers le bord périphérique (101) dudit coussin (100) et délimitant alors deux à deux une partie de calage par ouverture, apte à venir en contact avec l'objet à emballer.Airbag (100) according to claim 1, characterized in that each interior opening (102,102 ') has an essentially rectilinear shape, said notches (103,103') extending from each of the ends of each rectilinear opening towards the peripheral edge (101) of said cushion (100) and then delimiting two by two a wedging part by opening, capable of coming into contact with the object to be packaged. Coussin gonflable (100) selon l'une des revendications 2 ou 3, caractérisé en ce que la forme de chaque encoche (103,103') et/ou du bord périphérique (101) est telle que sont définies à ce niveau deux zones de pivotement privilégié (108) situées respectivement à deux endroits où l'espacement entre ladite encoche (103,103') et le bord périphérique extérieur (101) dudit coussin (100) est le plus faible.Airbag (100) according to one of claims 2 or 3, characterized in that the shape of each notch (103,103 ') and / or of the peripheral edge (101) is such that two privileged pivot zones are defined at this level (108) located respectively at two places where the spacing between said notch (103,103 ') and the outer peripheral edge (101) of said cushion (100) is the smallest. Coussin gonflable (100) selon l'une quelconque des revendications 2 à 4, caractérisé en ce que la forme et la dimension des encoches (103,103') et/ou du bord périphérique (101) est telle qu'au cours du gonflage, deux parties de calage (104,105,106,107,104',105',106',107') en vis-à-vis pivotent dans des sens opposés.Airbag (100) according to any one of claims 2 to 4, characterized in that the shape and size of the notches (103,103 ') and / or of the peripheral edge (101) is such that during inflation, two wedging parts (104,105,106,107,104 ', 105', 106 ', 107') facing each other pivot in opposite directions. Coussin gonflable (100) selon l'une quelconque des revendications précédentes, caractérisé en ce que chacune desdites encoches (103,103') présente une largeur qui augmente au moins localement à partir de chaque ouverture intérieure (102,102') vers le bord périphérique (101).Airbag (100) according to any one of the preceding claims, characterized in that each of said notches (103,103 ') has a width which increases at least locally from each interior opening (102,102') towards the peripheral edge (101) . Coussin gonflable (100) selon l'une quelconque des revendications 2 à 6, caractérisé en ce qu'à l'état dégonflé le bord périphérique extérieur (101) décrit essentiellement un rectangle, chaque ouverture intérieure (102,102') étant placée de telle manière qu'au moins certaines encoches (103,103') s'étendent en direction des coins dudit bord périphérique.Airbag (100) according to any one of claims 2 to 6, characterized in that in the deflated state the outer peripheral edge (101) essentially describes a rectangle, each inner opening (102,102 ') being placed in such a way that at least some notches (103, 103 ') extend in the direction of the corners of said peripheral edge. Emballage, caractérisé en ce qu'il comporte une caisse (10) en carton rigide ou analogue, au moins un coussin gonflable (100) selon l'une quelconque des revendications 1 à 7, et au moins un autre coussin gonflable placé au-dessus ou au-dessous d'au moins un objet à emballer.Packaging, characterized in that it comprises a box (10) of rigid cardboard or the like, at least one airbag (100) according to any one of claims 1 to 7, and at least one other airbag placed above or below at least one object to be wrapped. Emballage, caractérisé en ce qu'il comporte une caisse (10) en carton rigide ou analogue, deux coussins gonflables (100) selon la revendication 2 comportant chacun deux ouvertures (102,102') de forme rectangulaire séparées par une partie de calage centrale fixe (110), chaque coussin gonflable (100) à l'état gonflé étant positionné de telle manière que chaque partie de calage centrale fixe (110) est placée contre une face latérale d'un objet à emballer, chaque ouverture (102, 102') associée étant positionnée en oblique par rapport à ladite partie de calage centrale fixe (110) correspondante de telle sorte que chaque coin dudit objet à emballer est engagé dans une ouverture (102, 102'), les quatre parties de calage (104, 105, 106, 107, 104', 105', 106', 107') associées à chaque ouverture (102, 102') pivotant de façon à ce qu'une des quatre parties de calage soit positionnée contre la face supérieure de l'objet à emballer, une autre partie de calage soit positionnée contre la face inférieure de l'objet à emballer, et les deux autres parties de calage soient positionnées contre deux faces latérales adjacentes dudit objet.Packaging, characterized in that it comprises a box (10) of rigid cardboard or the like, two airbags (100) according to claim 2 each comprising two openings (102, 102 ') of rectangular shape separated by a fixed central wedging part ( 110), each airbag (100) in the inflated state being positioned in such a way that each fixed central wedging part (110) is placed against a lateral face of an object to be packaged, each opening (102, 102 ') associated being positioned obliquely relative to said corresponding fixed central wedging part (110) so that each corner of said object to be packaged is engaged in an opening (102, 102 '), the four wedging parts (104, 105, 106, 107, 104 ', 105', 106 ', 107') associated with each opening (102, 102 ') pivoting so that one of the four wedging parts is positioned against the upper face of the object to be pack, another wedging part be position born against the underside of the object to be packaged, and the other two wedging parts are positioned against two adjacent side faces of said object. Emballage, caractérisé en ce qu'il comporte une caisse (10) en carton rigide ou analogue, deux coussins gonflables (100) selon la revendication 3, comportant chacun deux ouvertures (102, 102') de forme essentiellement rectiligne séparées par une partie de calage centrale fixe (105), un premier coussin gonflable (100) étant positionné à l'état gonflé en dessous de l'objet à emballer de telle manière que ladite partie de calage centrale fixe (105) soit placée contre la face inférieure dudit objet, lesdites parties de calage (104, 104') associées aux deux ouvertures (102, 102') pivotant de manière à venir se placer contre chacune de deux faces latérales opposées dudit objet à emballer de façon à ce que les deux arêtes transversales inférieures parallèles dudit objet viennent s'engager dans lesdites ouvertures (102, 102'), le deuxième coussin gonflable (100) étant positionné à l'état gonflé ou semi-gonflé au-dessus de l'objet à emballer de telle manière que la partie de calage centrale fixe (105) soit positionnée contre la face supérieure dudit objet, lesdites parties de calage associées aux deux ouvertures pivotant de manière à venir se placer contre chacune des deux autres faces latérales opposées dudit objet, de façon à ce que les arêtes longitudinales supérieures parallèles de ce dernier viennent s'engager dans chacune desdites ouvertures dudit coussin.Packaging, characterized in that it comprises a box (10) of rigid cardboard or the like, two airbags (100) according to claim 3, each comprising two openings (102, 102 ') of essentially rectilinear shape separated by a part of fixed central cushioning (105), a first airbag (100) being positioned in the inflated state below the object to be packaged so that said fixed central cushioning part (105) is placed against the underside of said object , said wedging parts (104, 104 ') associated with the two openings (102, 102') pivoting so as to come to be placed against each of two opposite lateral faces of said object to be packaged so that the two parallel lower transverse edges of said object engage in said openings (102, 102 '), the second airbag (100) being positioned in the inflated or semi-inflated state above the object to be packaged so that the fixed central wedging part (105) is positioned against the upper face of said object, said associated wedging parts to the two openings pivoting so as to come to be placed against each of the two other opposite lateral faces of said object, so that the parallel upper longitudinal edges of the latter come to engage in each of said openings of said cushion. Coussin gonflable (100, 200), notamment pour un emballage selon la revendication 8, comportant une caisse pourvue d'au moins un rabat de fermeture articulé dont un bord est adjacent à un coin de la caisse, caractérisé en ce qu'il comporte une valve de gonflage auto-obturatrice (210) située dans une région d'angle dudit coussin (200), ladite valve de gonflage (210) venant se placer, lorsque ledit coussin (200) est mis en place dans la caisse (10), dans la région du coin (300), ce qui permet de gonfler ledit coussin (200) depuis l'extérieur, après la fermeture dudit rabat (303), par l'intermédiaire d'un tuyau souple de gonflage (400) introduit dans ladite valve de gonflage (210) et passant par un espacement situé entre le rabat de fermeture articulé (303) et au moins une face (301,302) de la caisse adjacente au coin (300).Airbag (100, 200), in particular for a packaging according to claim 8, comprising a box provided with at least one articulated closure flap, one edge of which is adjacent to a corner of the box, characterized in that it comprises a self-sealing inflation valve (210) located in a corner region of said cushion (200), said inflation valve (210) being placed when said cushion (200) is placed in the body (10), in the corner region (300), which makes it possible to inflate said cushion (200) from the outside, after the closing of said flap (303), by means of a flexible inflation hose (400) introduced into said inflation valve (210) and passing through a space located between the hinged closure flap (303) and at least one face (301,302) of the body adjacent to the corner (300). Coussin gonflable (200) selon la revendication 11, caractérisé en ce qu'il comporte deux feuilles (220) de matière plastique souple soudées entre elles au niveau de leurs bords.Airbag (200) according to claim 11, characterized in that it comprises two sheets (220) of flexible plastic material welded together at their edges. Coussin gonflable (200) selon la revendication 12, caractérisé en ce que ladite valve de gonflage auto-obturatrice (210) comprend deux feuilles minces (211) de matière plastique souple, juxtaposées et soudées entre elles suivant une longueur de manière à former un conduit de passage du tuyau souple de gonflage (400) ouvert à ses deux extrémités, ladite valve de gonflage (210) étant située entre les deux feuilles (220) formant ledit coussin (200) dans la région d'angle dudit coussin, est soudée à une de ses extrémités avec les deux feuilles (220) formant ledit coussin suivant un pan coupé (212) de ladite région d'angle, en laissant une ouverture (215) adjacente du conduit ouverte sur l'extérieur pour l'introduction du tuyau souple (400).Airbag (200) according to claim 12, characterized in that said self-sealing inflation valve (210) comprises two thin sheets (211) of flexible plastic material, juxtaposed and welded together along a length so as to form a conduit passage of the flexible inflation hose (400) open at both ends, said inflation valve (210) being located between the two sheets (220) forming said cushion (200) in the corner region of said cushion, is welded to one of its ends with the two sheets (220) forming said cushion along a cutaway (212) of said corner region, leaving an opening (215) adjacent to the duct open to the outside for the introduction of the flexible pipe (400). Coussin gonflable (200) selon la revendication 13, caractérisé en ce que le conduit de passage du tuyau souple de gonflage (400) comporte un élargissement situé à distance de l'extrémité libre dudit conduit placée à l'intérieur dudit coussin (200).Airbag (200) according to claim 13, characterized in that the passage conduit of the flexible inflation hose (400) has a widening located at a distance from the free end of said conduit placed inside said cushion (200). Coussin gonflable (200) selon l'une des revendications 13 ou 14, caractérisé en ce qu'il comporte deux languettes souples de guidage (213, 214) pour l'introduction dudit tuyau de gonflage dans le conduit de passage, soudées au coussin (200) suivant le pan coupé (212) et présentant des bords situés dans le prolongement des bords adjacents du coussin (200).Airbag (200) according to one of claims 13 or 14, characterized in that it comprises two flexible guide tabs (213, 214) for the introduction of said inflation hose into the passage duct, welded to the cushion ( 200) along the cutaway (212) and having edges located in the extension of the adjacent edges of the cushion (200). Coussin gonflable selon l'une quelconque des revendications 11 à 15, caractérisé en ce qu'il comporte au moins un trou central (216,217) réalisé par découpage des deux feuilles (220) formant le coussin et soudage périphérique des bords découpés desdites feuilles.Airbag according to any one of claims 11 to 15, characterized in that it comprises at least one central hole (216,217) produced by cutting the two sheets (220) forming the cushion and peripheral welding of the cut edges of said sheets. Procédé d'emballage d'au moins un article à l'aide d'un emballage selon la revendication 8 comportant une caisse (10) dont une ouverture peut être fermée par des rabats articulés, caractérisé en ce qu'il comprend les étapes consistant à : a) placer au moins un coussin gonflable (100) selon l'une des revendications 1 à 7, à l'état dégonflé ou semi-gonflé, ainsi que le ou les articles, à l'intérieur de la caisse (10) par son ouverture, le ou les articles étant situés dans chaque ouverture intérieure (102,102') de chaque coussin (100), b) terminer le gonflage de chaque coussin (100), disposer ensuite dans la caisse au moins un coussin gonflable (200) selon l'une quelconque des revendications 11 à 16 à l'état dégonflé ou semi-gonflé un tuyau souple de gonflage (400) étant introduit à l'intérieur de la valve auto-obturatrice (210) dudit coussin gonflable (200), c) fermer les rabats de la caisse en faisant en sorte que ledit tuyau de gonflage (400) émerge à l'extérieur de ladite caisse (10) à travers l'espacement situé entre un rabat (303) et au moins une face (301, 302) de la caisse (10), d) gonfler ledit coussin (200) depuis l'extérieur de la caisse (10). Method for packaging at least one article using a packaging according to claim 8 comprising a box (10), an opening of which can be closed by hinged flaps, characterized in that it comprises the steps consisting in: : a) placing at least one airbag (100) according to one of claims 1 to 7, in the deflated or semi-inflated state, as well as the article or articles, inside the box (10) by its opening, the item or items being located in each interior opening (102, 102 ') of each cushion (100), b) end the inflation of each cushion (100), then place in the box at least one airbag (200) according to any one of claims 11 to 16 in the deflated or semi-inflated state a flexible inflation hose ( 400) being inserted inside the self-sealing valve (210) of said airbag (200), c) closing the flaps of the box so that said inflation hose (400) emerges outside of said box (10) through the space between a flap (303) and at least one face (301 , 302) of the body (10), d) inflating said cushion (200) from outside the box (10). Procédé d'emballage selon la revendication 17, caractérisé en ce qu'il comprend une étape préliminaire consistant à disposer dans ladite caisse (10) un autre coussin gonflable selon l'une quelconque des revendications 11 à 16 à l'état gonflé.Packaging method according to claim 17, characterized in that it comprises a preliminary step consisting in placing in said case (10) another airbag according to any one of claims 11 to 16 in the inflated state. Coussin gonflable (400) pour emballage, constitué par des feuilles en plastique souple soudées entre elles au niveau de leurs bords, caractérisé en ce qu'il comporte : - un bord périphérique extérieur (401), - une pluralité d'encoches (402, 403, 404, 405) s'étendant vers l'intérieur du coussin (400) à partir du bord périphérique (401), - une pluralité de lignes de soudage (410) s'étendant à partir de chaque encoche en direction de l'encoche adjacente, une partie de calage (406) articulée étant définie conjointement par une ligne de soudage (410), des parties de chaque encoche (402, 403, 404, 405) associée et le bord périphérique, chaque partie de calage articulée (406) communiquant avec le reste du coussin via une partie interrompue (410a) de ladite ligne de soudage (410), et pivotant sensiblement autour de ladite ligne de soudage (410). Airbag (400) for packaging, consisting of flexible plastic sheets welded together at their edges, characterized in that it comprises: - an outer peripheral edge (401), - a plurality of notches (402, 403, 404, 405) extending towards the inside of the cushion (400) from the peripheral edge (401), - a plurality of weld lines (410) extending from each notch towards the adjacent notch, an articulated wedging part (406) being defined jointly by a weld line (410), parts of each associated notch (402, 403, 404, 405) and the peripheral edge, each articulated wedging part (406) communicating with the rest of the cushion via an interrupted part (410a) of said welding line (410), and pivoting substantially around of said welding line (410). Coussin gonflable (400) selon la revendication 19, caractérisé en ce que les parties interrompues (410a) des lignes de soudage (410) sont situées au milieu de ces dernières.Airbag (400) according to claim 19, characterized in that the interrupted parts (410a) of the welding lines (410) are located in the middle of the latter. Coussin gonflable (400) selon l'une des revendications 19 ou 20, caractérisé en ce que les parties de calage articulées (406) présentent une forme essentiellement trapézoïdale.Airbag (400) according to one of claims 19 or 20, characterized in that the articulated wedging parts (406) have an essentially trapezoidal shape. Coussin gonflable (400) selon l'une des revendications 19 à 21, caractérisé en ce que les encoches (402, 403, 404, 405) présentent une forme semi-circulaire.Airbag (400) according to one of claims 19 to 21, characterized in that the notches (402, 403, 404, 405) have a semi-circular shape.
EP93400139A 1992-01-22 1993-01-21 Inflatable cushion for packaging Expired - Lifetime EP0553027B1 (en)

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FR9200656 1992-01-22
FR9200656A FR2686322B1 (en) 1992-01-22 1992-01-22 INFLATABLE CUSHION FOR PACKAGING.

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EP0553027A1 true EP0553027A1 (en) 1993-07-28
EP0553027B1 EP0553027B1 (en) 1995-11-29

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JP (1) JPH05338670A (en)
KR (1) KR100253637B1 (en)
AT (1) ATE130817T1 (en)
AU (2) AU669347B2 (en)
CA (1) CA2087831A1 (en)
DE (1) DE69300874T2 (en)
ES (1) ES2083830T3 (en)
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Cited By (10)

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WO1995002548A1 (en) * 1993-07-16 1995-01-26 Nicholas Paolo De Luca Inflatable flat bag packaging cushion
EP0719714A1 (en) * 1993-10-28 1996-07-03 Burlington Consolidated Limited Packaging system having impact resistance
EP0719714A4 (en) * 1993-10-28 1998-11-11 Burlington Cons Ltd Packaging system having impact resistance
US6129491A (en) * 1996-08-16 2000-10-10 Anne Max Duursma Inflatable device with pressure limiting valve
WO2012055053A1 (en) 2010-10-25 2012-05-03 Guy Borgeat Machine for automatically filling-inflating gas cushions, notably air cushions, for packaging and use thereof for filling and inflating cushions
CN103180129A (en) * 2010-10-25 2013-06-26 居伊·博尔若 Machine for automatically filling-inflating gas cushions, notably air cushions, for packaging and use thereof for filling and inflating cushions
US20130212978A1 (en) * 2010-10-25 2013-08-22 Guy Borgeat Machine for automatically filling-inflating gas cushions, notably air cushions, for packaging and use thereof for filling and inflating cushions
CN103180129B (en) * 2010-10-25 2016-02-24 居伊·博尔若 The machine that gas backing is inflated and purposes
US9764862B2 (en) 2010-10-25 2017-09-19 Guy Borgeat Machine for automatically filling-inflating gas cushions, notably air cushions, for packaging and use thereof for filling and inflating cushions
US10518913B2 (en) 2010-10-25 2019-12-31 Guy Borgeat Methods for automatically filling-inflating gas cushions, notably air cushions, for packaging and use thereof for filling and inflating cushions

Also Published As

Publication number Publication date
FR2686322B1 (en) 1994-04-29
FR2686322A1 (en) 1993-07-23
AU5059396A (en) 1996-07-11
AU682990B2 (en) 1997-10-23
KR100253637B1 (en) 2000-04-15
IL104465A0 (en) 1993-05-13
CA2087831A1 (en) 1993-07-23
JPH05338670A (en) 1993-12-21
ATE130817T1 (en) 1995-12-15
AU669347B2 (en) 1996-06-06
ES2083830T3 (en) 1996-04-16
DE69300874T2 (en) 1996-09-26
IL104465A (en) 1996-01-19
DE69300874D1 (en) 1996-01-11
AU3195493A (en) 1993-08-12
US5348157A (en) 1994-09-20
KR930016320A (en) 1993-08-26
EP0553027B1 (en) 1995-11-29
US5803263A (en) 1998-09-08

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