US20120097707A1 - Pocket vial packaging and dispensing device - Google Patents

Pocket vial packaging and dispensing device Download PDF

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Publication number
US20120097707A1
US20120097707A1 US13/265,384 US201013265384A US2012097707A1 US 20120097707 A1 US20120097707 A1 US 20120097707A1 US 201013265384 A US201013265384 A US 201013265384A US 2012097707 A1 US2012097707 A1 US 2012097707A1
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US
United States
Prior art keywords
pocket
sheet
vial
layer
polyethylene
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.)
Abandoned
Application number
US13/265,384
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English (en)
Inventor
Jean-Philippe Taberlet
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.)
Lablabo SA
Original Assignee
Lablabo SA
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 Lablabo SA filed Critical Lablabo SA
Assigned to LABLABO reassignment LABLABO ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: TABERLET, JEAN-PHILIPPE
Publication of US20120097707A1 publication Critical patent/US20120097707A1/en
Abandoned legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B11/00—Wrapping, e.g. partially or wholly enclosing, articles or quantities of material, in strips, sheets or blanks, of flexible material
    • B65B11/48—Enclosing articles, or quantities of material, by folding a wrapper, e.g. a pocketed wrapper, and securing its opposed free margins to enclose contents
    • 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
    • B65D83/00—Containers or packages with special means for dispensing contents
    • B65D83/0055—Containers or packages provided with a flexible bag or a deformable membrane or diaphragm for expelling the contents
    • B65D83/0072—Containers or packages provided with a flexible bag or a deformable membrane or diaphragm for expelling the contents the contents of a flexible bag being expelled by a piston or a movable bottom or partition provided in the container or the package
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
    • B29C53/36—Bending and joining, e.g. for making hollow articles
    • B29C53/38—Bending and joining, e.g. for making hollow articles by bending sheets or strips at right angles to the longitudinal axis of the article being formed and joining the edges
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
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    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
    • B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
    • B29C66/43—Joining a relatively small portion of the surface of said articles
    • B29C66/432—Joining a relatively small portion of the surface of said articles for making tubular articles or closed loops, e.g. by joining several sheets ; for making hollow articles or hollow preforms
    • B29C66/4322—Joining a relatively small portion of the surface of said articles for making tubular articles or closed loops, e.g. by joining several sheets ; for making hollow articles or hollow preforms by joining a single sheet to itself
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    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/72—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined
    • B29C66/723—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being multi-layered
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
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    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
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    • B65D83/00—Containers or packages with special means for dispensing contents
    • B65D83/14—Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant
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    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2009/00—Layered products
    • B29L2009/003—Layered products comprising a metal layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/712—Containers; Packaging elements or accessories, Packages
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/724—Permeability to gases, adsorption
    • B32B2307/7242—Non-permeable
    • B32B2307/7244—Oxygen barrier
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/724—Permeability to gases, adsorption
    • B32B2307/7242—Non-permeable
    • B32B2307/7246—Water vapor barrier
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2439/00—Containers; Receptacles
    • B32B2439/40—Closed containers
    • B32B2439/46—Bags
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2439/00—Containers; Receptacles
    • B32B2439/40—Closed containers
    • B32B2439/60—Bottles

Definitions

  • the present invention relates to a device for packaging and dispensing fluid products, and more particularly a flexible pocket for a device for packaging and dispensing fluid products, that are liquid or pasty, of the pocket-vial type, that is to say comprising a flexible pocket placed in a rigid receptacle and associated with a pump or a valve making it possible to keep the fluid product in the flexible pocket away from the air in good conditions and to dispense if from the pocket by actuating the pump or the valve.
  • Devices for packaging and dispensing fluids of the pocket-vial type are well known. These devices usually comprise a receptacle with a rigid shell in which a retractable flexible pocket is placed which retracts gradually as the product is extracted therefrom.
  • the product can be expelled from the pocket by means of an “airless” pump or under the pressure of a propellant gas acting in the vial, on the wall of the pocket.
  • a vent is provided, usually in the bottom or in the neck of the vial, to allow the outside air to enter the space situated between the vial and the pocket on each actuation of the pump and thus to allow the pocket to retract by maintaining sufficient pressure on its walls.
  • FIG. 1 Another example of a pocket-vial is described in patent FR 2.827.844 relating to a device comprising a sealed flexible pocket placed in a rigid vial, associated with a pump or a valve, in which the pocket comprises a cylindrical wall consisting of a metal or plastic sheet wound over the sides of two end-pieces of which one forms the bottom of the pocket and the other a ring for attachment to the vial and to the pump or the valve.
  • Application WO 97.20757 describes a method for manufacturing a plastic tubular pocket designed for an aerosol, the opening of which is sealed to a ring while the other end is folded and sealed to form the bottom of the pocket.
  • the products contained in the pockets are often sensitive to oxidation under the action of the oxygen of the air and can deteriorate if air gets into the pocket because of a lack of a seal. Sealing defects are most frequently encountered at the junction of the pocket and the pump. They may also result from a certain porosity of the materials used for producing the pocket. Moreover, the wall of the pocket of the known devices may form folds when retracting and these folds risk causing tears capable of allowing air to pass through which then reaches the inside of the pocket and consequently compromises the preservation of the integrity of the product contained therein. Finally, the folds formed by the wall of the pocket during its retraction cause volumes of retention of product and thus limit the effectiveness of the dispensing of the latter.
  • Pocket-vials are routinely manufactured by extrusion or injection of plastic materials.
  • the vial may be manufactured by stamping in the case of a wall made of metal such as aluminum, or by injection or injection blow-molding in the case of a wall made of plastic, while the flexible pocket is usually manufactured by injection blow-molding or extrusion blow-molding of polyethylene or of polypropylene in a suitable mold.
  • the pockets may also be made of aluminum sheets or of multi-layer materials of the plastic/aluminum type having good sealing qualities of their wall, as in aforementioned patent FR 2.827.844.
  • the pockets of this type are made in the form of superposed sheets, sealed at their side, fitting to a neck or a rigid ring.
  • the manufacture of such pockets is relatively simple, but it has the drawback that the junction zone of the two opposite sides of the sheet to form the cylinder has an extra thickness. Moreover, this extra thickness allows the thickness of the layer forming the sheet to appear and the risk of migration of traces of compounds contained in the layer to the product inserted into the pocket is not inconsiderable in this unprotected zone, particularly in the case of a multi-layer film comprising a metal layer.
  • No. 5,248,063 describes a laminated pocket formed from a multi-layer sheet the edge of which is covered by a plastic film in order to prevent, the sheet from delaminating.
  • a technique for applying a tape to the adjacent sides of a sheet wound in a cylinder is described in U.S. Pat. Nos. 3,066,063 and DE 1,729,018.
  • the precise subject of the invention is a device for packaging and dispensing fluid product of the pocket-vial type having good security against the risks of contamination of the products contained in the pocket.
  • a further subject of the invention is a method for manufacturing a pocket-vial, said method being able to use materials that are simple or complex depending on the envisaged use, and are easily recyclable, using minimal quantities of material for the vial and for the pocket and having excellent mechanical strength, more particularly excellent impact resistance.
  • the device for packaging and dispensing fluid product according to the present invention is of the type comprising a sealed flexible pocket placed in a rigid vial, associated with a pump or a valve, the pocket comprising a cylindrical wall consisting of at least one sheet wound in a cylinder of which one of the lateral sides is attached in a sealed manner to a solid end-piece forming the bottom of the pocket, and the other is attached in a sealed manner to an annular end-piece forming a ring for attachment to the vial, and it is remarkable notably in that the two longitudinal sides of the sheet are attached to one another in a sealed manner and the edge of the inner side is masked by a flexible covering strip.
  • the covering strip is attached to each of the two longitudinal sides of the sheet, on either side of their junction on the inner wall of the sheet.
  • the covering strip envelops the edge of the inner side of the sheet and is folded between the two sides. It is then sealed at the same time as the sides of the sheet during the formation of the cylindrical tube.
  • the width of the covering strip varies depending on the dimensions of the pocket, but it is usually between 2 and 10 mm and preferably between 4 and 6 mm.
  • the sheet used to form the wall of the pocket may consist of various simple or complex materials, depending on the envisaged use. Its thickness may vary from 20 ⁇ m to 250 ⁇ m approximately and is preferably between 50 ⁇ m and 150 ⁇ m in order to provide the best conditions of operation, in particular of easy retraction of the pocket in the vial gradually as it empties, so as to provide an excellent delivery rate, greater than 90%. These values may vary depending upon the materials used.
  • the sheet which may be single-layer or multi-layer, is attached by its sides to the periphery of each end-piece and closed along a generatrix of the cylinder.
  • the cylindrical pocket comprises a multi-layer complex associating several metal films, or one metal sheet coated with a plastic film on at least one of its faces.
  • This multi-layer complex is wound over two end-pieces which may be for example made of metal or of plastic.
  • One particularly advantageous embodiment comprises an aluminum sheet inserted between at least two plastic films.
  • the plastic films of the multi-layer complexes may be chosen from a polyethylene, a polypropylene, polyamide, etc.
  • the multi-layer sheet is attached by its sides to the periphery of each end-piece and closed along a generatrix of the cylinder.
  • the multi-layer sheet is a plastic/barrier polymer/plastic complex and for example an EVOH film inserted between two films of polyethylene or of polypropylene.
  • EVOH is an ethylene/vinyl alcohol polymer providing good characteristics as a barrier to gases, in particular to oxygen and to water vapor.
  • the complex may also comprise four layers, namely polyethylene/polyamide/aluminum/polyethylene terephthalate or else polyethylene/polyethylene terephthalate/aluminum/polyethylene.
  • the latter multi-layer structure has the advantage of making the side-to-side attachment easier after winding of the sheet, by bonding or by sealing, since the inner portion of one side of the sheet is applied to the outer portion of the other side, which is made of the same material.
  • Such a multi-layer composite coating is particularly useful when a strong seal is essential, or when the nature of the product contained in the pocket requires it.
  • a covering strip is placed on the inner face of the sheet forming a tube, over the junction of the two sides, as indicated above.
  • the covering strip is preferably made of a material identical to that forming the inner layer of the sheet.
  • a sheet comprising at least one layer of polyethylene as an inner layer, and a covering strip made of the same polyethylene.
  • the covering strip has substantially the same thickness as the inner layer of the sheet.
  • a sheet of flexible cardboard or a polymer/paper/polymer complex preferably polyethylene/paper/polyethylene
  • This type of material has the advantage of being more easily recyclable than the PE/PET/aluminum/PE multi-layers used in the technical field.
  • the metal sheet, or the multi-layer sheet is attached to the periphery of each of the two end-pieces, preferably by bonding or by sealing, depending on the nature of the material used for the end-pieces.
  • the method of the invention consists first of all in cutting the sheet to the desired size, in sealing the two opposite sides of the sheet, from the inside to the outside in order to form an open tubular pocket that is then attached by its openings to the end-pieces, then the pocket is inserted into the rigid vial in which it is held by the annular end-piece forming a ring. Then, the covering strip is cut and then sealed to the sheet, on the inside. The sheet is then wound round itself, keeping the covering strip on the inside and taking care that it correctly covers the contact zone between the ends. The sealing is then carried out and a sealed tube is obtained with continuity of the inner zone.
  • the attachment of the sides to one another, then to the end-pieces can be carried out by conventional sealing techniques, for example ultrasound, impulse, friction or heat sealing.
  • conventional sealing techniques for example ultrasound, impulse, friction or heat sealing.
  • the heat-sealing technique that is best suited to the materials used to form the wall of the pocket is used.
  • the attachment can also be carried out by bonding but only if the products that the pocket is designed to contain do not risk any deleterious effect resulting from a possible contamination by the components of the adhesives.
  • the sheet initially has a flat shape, making it necessary to make use of tooling suitable for shaping it and then inserting the product therein.
  • the operations of filling the pocket used in the invention do not require initially creating the vacuum in the pocket before carrying out a partial filling, and then, in a last step, operating under a neutral gas, unlike most of the pockets known in the prior art.
  • One of the advantages of the method of the invention is that it makes it possible to obtain pockets with relatively large volumes (more than 150 ml for example) with a perfectly cylindrical shape because of the sealing method.
  • the method according to the present invention notably has the advantage of making it possible to manufacture pockets of which the volume is easily adapted to that of the vial and to the quantity of product that is to be inserted into the pocket.
  • This is particularly advantageous from a manufacturing point of view since the conventional techniques, because of their cost, involve limiting the ranges of vials to a few models with predetermined dimensions, and for example rigid vials are commonly proposed in which the volume is 30, or 90 ml and consequently a pocket that has a content of 65 ml, for example, can be inserted only in a 90 ml vial, resulting in a considerable dead volume between the pocket and the vial.
  • the volume of the pocket being easily adapted to that of the vial simply by varying the height and the diameter of the cylinders forming the pocket and the vial, it is possible to reduce the dead volumes.
  • the test consists in dropping pocket-vials oriented vertically from a height varying from 0.6 in to 4 m.
  • Each pocket consists of a multi-layer sheet attached by bonding to two end-pieces as indicated above.
  • the layers from the outer layer to the inner layer, are polyethylene/polyethylene terephthalate/aluminum/-polyethylene.
  • the thickness of the polyethylene layers is 50 ⁇ m and that of the aluminum and polyethylene terephthalate layers is 12 ⁇ m.
  • the pockets according to the invention comprise a polyethylene strip that is 100 ⁇ m thick.
  • the pockets are filled with water. They are placed in a rigid polyethylene vial, the assembly of the pocket to the vial being achieved by the upper annular ring of the pocket as shown in FIG. 4 , and a standard pump is mounted by snap-fit connection to the neck of the pocket.
  • the weight of each pocket-vial thus assembled is approximately 150 g.
  • the drop is guided by means of a vertical tube with a diameter slightly larger than that of the vials in order to keep their orientation and ensure regularity of the conditions of impact on a hard surface.
  • the orientation of the pocket-vials is such that the bottom of the vial, strikes the ground first.
  • the tests are carried out over 3 series of 20 pocket-vials. All the pocket-vials have the same dimension (vial height: 137 mm, diameter: 42 mm).
  • the first series includes standard pockets with sides folded outward sealed inner face to inner face.
  • the second series comprises pockets with sides sealed to one another, inner face to outer face.
  • the third series comprises pockets according to the present invention.
  • the first test is run by dropping the vial from a height of 0.60 m.
  • the vials withstanding the first test are then subjected to a second test at 1.2 m.
  • Those that withstand are then subjected to a third test at 2.0 m, then at 3.3 m and finally at 4.0 m if they have withstood the previous tests.
  • Each vial is tested three times at each height.
  • the table indicates the number of failures. Thus, all the pocket-vials withstood the first test (no failure). In the first series (standard pocket) none of the 20 pocket-vials withstood the 2.0 m drop. The pocket-vials of the second series withstood the drop at 3.3 m but 6/20 did not withstand the drop at 4.0 m. On the other hand, all the pocket-vials of the third series (invention) withstood the drop at 4.0 m.
  • a test for measuring burst resistance showed that the pockets according to the invention have a better resistance than the pockets manufactured according to the conventional techniques. Therefore the burst resistance of a pocket with a multi-layer sheet identical to that used in the above test is 3.1 bar (3.1 10 5 Pa) while that of a standard pocket with sides folded outward and sealed inner face to inner face is only 1.9 bar (1.9 10 5 Pa) in the same conditions.
  • FIG. 1 a view in perspective of a sheet wound to form a tubular pocket according to a known technique.
  • FIG. 2 a view in perspective of a sheet according to the technique of the present invention, with a covering strip on the inner face of the tube.
  • FIG. 3 a view in perspective of a variant of the invention in which the covering strip is on both faces of the inner side of the sheet.
  • FIG. 4 an exploded view of a pocket-vial in which the vial contains the complete pocket comprising the tube of FIG. 2 with both end-pieces.
  • FIG. 1 shows a sheet ( 1 ) consisting of an aluminum sheet ( 2 ) covered on each of its two faces by a layer of polyethylene.
  • the sheet comprises an outer polyethylene film ( 3 ) and an inner polyethylene film ( 4 ).
  • she sheet ( 1 ) Once she sheet ( 1 ) has been wound, its two ends are superposed at the zone ( 5 ), the inner face close to the side being placed on the outer face close to the other side.
  • the width of the zone of superposition of the two sides of the sheet is approximately 5 mm. The two sides are attached to one another by
  • the width of the sheet is variable and corresponds to the height of the pocket, once the tube has been formed and placed over the end-pieces.
  • FIG. 2 clearly shows the polyethylene strip ( 6 ) placed on the inner face of the sheet ( 1 ).
  • This strip ( 6 ) approximately 6 mm in width, covers the overlap of the two sides over the full width of the sheet ( 1 ) and masks the apparent edge of the inner side.
  • the identity of the material forming the covering strip ( 6 ) and the inner layer on the one hand, and the outer layer of the sheet on the other hand, makes it easier to seal the two sides to one another and to attach the covering strip with a thickness most frequently between 50 and 150 microns to the junction of the sides. Heat-sealing is preferably used.
  • the same material in this example polyethylene, is used over the whole inner surface of the sheet that is then in contact with the product in the pocket. There is therefore no break in the quality of the material forming the inner face of the pocket.
  • the polyethylene covering layer makes it possible to mask the edge of the inner side of the sheet and prevent any contact of the aluminum with the product inserted into the pocket, and its small thickness, of the order of 50 to 150 ⁇ m, and preferably approximately 100 ⁇ m, causes only a negligible extra thickness.
  • FIG. 3 shows a variant embodiment of the invention in which the covering strip ( 6 ) envelops the edge of the inner side of the sheet ( 1 ).
  • This variant makes the sealing operations easier depending on the tooling used since the covering strip ( 6 ) is first attached and sealed to one of the sides of the multi-layer sheet ( 1 ), then the sheet is wound in a cylinder and the sealing of the two sides and of the covering strip is then carried out.
  • FIGS. 2 and 3 represent the respective positions of the sheet ( 1 ) and of the strip ( 6 ) before the sealing operation.
  • FIG. 4 shows the assembly of the sheet ( 1 ), wound in a cylinder closed by the covering strip ( 6 ), with the end-pieces ( 7 , 8 ) and the insertion of the assembly into the rigid vial ( 9 ).
  • the annular end-piece ( 7 ) forms a ring for attachment to the vial ( 9 ) while the cupped solid end-piece ( 8 ) forms the bottom of the pocket.
  • a pump (not shown) supporting a button for its actuation is mounted in a sealed manner on the neck of the pocket according to the technique of patent FR. 2.827.844.
  • An air circuit (not shown) is provided, according to a usual technique, in the pump or in the annular end-piece forming an attachment ring in order to allow air to pass from the outside to the space between the pocket and the vial.
  • Means are provided for the air circuit to be open only when the pocket-vial is used, for example by a known closure system that opens only in the event of pressure on the button for actuating the pump so as to allow the entry of only a volume of air equivalent, to the volume of fluid expelled from the pocket.
  • the means for closing off the air circuit may consist of valve elements which remain closed unless the pump is actuated.
  • this air circuit may be replaced by a simple vent in the bottom of the vial. If necessary, this vent may be furnished with a valve element and a filter.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Packages (AREA)
  • Bag Frames (AREA)
  • Medical Preparation Storing Or Oral Administration Devices (AREA)
  • Laminated Bodies (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
US13/265,384 2009-04-28 2010-04-28 Pocket vial packaging and dispensing device Abandoned US20120097707A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR0952774A FR2944780B1 (fr) 2009-04-28 2009-04-28 Dispositif de conditionnement et de distribution du type flacon-poche.
FR0952774 2009-04-28
PCT/FR2010/050804 WO2010125304A1 (fr) 2009-04-28 2010-04-28 Dispositif de conditionnement et de distribution du type flacon-poche

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US (1) US20120097707A1 (zh)
EP (1) EP2424681A1 (zh)
JP (1) JP2012525304A (zh)
KR (1) KR20120016111A (zh)
CN (1) CN102421534A (zh)
BR (1) BRPI1014523A2 (zh)
CA (1) CA2757035A1 (zh)
FR (1) FR2944780B1 (zh)
WO (1) WO2010125304A1 (zh)

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BRPI1014523A2 (pt) 2016-04-05
FR2944780B1 (fr) 2011-06-10
EP2424681A1 (fr) 2012-03-07
FR2944780A1 (fr) 2010-10-29
CN102421534A (zh) 2012-04-18
JP2012525304A (ja) 2012-10-22
KR20120016111A (ko) 2012-02-22
CA2757035A1 (fr) 2010-11-04
WO2010125304A1 (fr) 2010-11-04

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