EP0462861A1 - Verfahren zur Konditionierung eines Produktes in einem Behälter, wobei Produktkonservierung während Aufbewahrung gewährleistet wird, und zugehörige Verpackungseinheit - Google Patents

Verfahren zur Konditionierung eines Produktes in einem Behälter, wobei Produktkonservierung während Aufbewahrung gewährleistet wird, und zugehörige Verpackungseinheit Download PDF

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Publication number
EP0462861A1
EP0462861A1 EP91401462A EP91401462A EP0462861A1 EP 0462861 A1 EP0462861 A1 EP 0462861A1 EP 91401462 A EP91401462 A EP 91401462A EP 91401462 A EP91401462 A EP 91401462A EP 0462861 A1 EP0462861 A1 EP 0462861A1
Authority
EP
European Patent Office
Prior art keywords
capsule
membrane
container
valve
elastic membrane
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
EP91401462A
Other languages
English (en)
French (fr)
Other versions
EP0462861B1 (de
Inventor
Jean-Louis Gueret
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.)
LOreal SA
Original Assignee
LOreal 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 LOreal SA filed Critical LOreal SA
Publication of EP0462861A1 publication Critical patent/EP0462861A1/de
Application granted granted Critical
Publication of EP0462861B1 publication Critical patent/EP0462861B1/de
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
    • B65D51/00—Closures not otherwise provided for
    • B65D51/002—Closures to be pierced by an extracting-device for the contents and fixed on the container by separate retaining means
    • 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
    • B65B31/00—Packaging articles or materials under special atmospheric or gaseous conditions; Adding propellants to aerosol containers
    • B65B31/04—Evacuating, pressurising or gasifying filled containers or wrappers by means of nozzles through which air or other gas, e.g. an inert gas, is withdrawn or supplied
    • B65B31/046—Evacuating, pressurising or gasifying filled containers or wrappers by means of nozzles through which air or other gas, e.g. an inert gas, is withdrawn or supplied the nozzles co-operating, or being combined, with a device for opening or closing the container or wrapper
    • B65B31/047—Evacuating, pressurising or gasifying filled containers or wrappers by means of nozzles through which air or other gas, e.g. an inert gas, is withdrawn or supplied the nozzles co-operating, or being combined, with a device for opening or closing the container or wrapper the nozzles co-operating with a check valve in the opening of the container or wrapper
    • 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
    • B65D47/00—Closures with filling and discharging, or with discharging, devices
    • B65D47/04—Closures with discharging devices other than pumps
    • B65D47/20—Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge
    • B65D47/2018—Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge comprising a valve or like element which is opened or closed by deformation of the container or closure
    • B65D47/2056—Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge comprising a valve or like element which is opened or closed by deformation of the container or closure lift valve type
    • B65D47/2081—Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge comprising a valve or like element which is opened or closed by deformation of the container or closure lift valve type in which the deformation raises or lowers the valve port
    • 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
    • B65D51/00—Closures not otherwise provided for
    • B65D51/16—Closures not otherwise provided for with means for venting air or gas
    • B65D51/1633—Closures not otherwise provided for with means for venting air or gas whereby venting occurs by automatic opening of the closure, container or other element
    • B65D51/1644—Closures not otherwise provided for with means for venting air or gas whereby venting occurs by automatic opening of the closure, container or other element the element being a valve
    • 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
    • B65D51/00—Closures not otherwise provided for
    • B65D51/16—Closures not otherwise provided for with means for venting air or gas
    • B65D51/1633—Closures not otherwise provided for with means for venting air or gas whereby venting occurs by automatic opening of the closure, container or other element
    • B65D51/1644—Closures not otherwise provided for with means for venting air or gas whereby venting occurs by automatic opening of the closure, container or other element the element being a valve
    • B65D51/165—Closures not otherwise provided for with means for venting air or gas whereby venting occurs by automatic opening of the closure, container or other element the element being a valve formed by a slit or narrow opening
    • 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
    • B65D81/18—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 providing specific environment for contents, e.g. temperature above or below ambient
    • B65D81/20—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 providing specific environment for contents, e.g. temperature above or below ambient under vacuum or superatmospheric pressure, or in a special atmosphere, e.g. of inert gas
    • B65D81/2007—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 providing specific environment for contents, e.g. temperature above or below ambient under vacuum or superatmospheric pressure, or in a special atmosphere, e.g. of inert gas under vacuum
    • B65D81/2038—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 providing specific environment for contents, e.g. temperature above or below ambient under vacuum or superatmospheric pressure, or in a special atmosphere, e.g. of inert gas under vacuum with means for establishing or improving vacuum
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67C—CLEANING, FILLING WITH LIQUIDS OR SEMILIQUIDS, OR EMPTYING, OF BOTTLES, JARS, CANS, CASKS, BARRELS, OR SIMILAR CONTAINERS, NOT OTHERWISE PROVIDED FOR; FUNNELS
    • B67C3/00—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus; Filling casks or barrels with liquids or semiliquids
    • B67C3/02—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus
    • B67C3/22—Details
    • B67C3/222—Head-space air removing devices, e.g. by inducing foam

Definitions

  • the present invention relates to a method for packaging a product in a container making it possible to ensure better conservation of the product during storage by establishing a reduced pressure in the container containing the product and / or by introducing an inert gas vis- vis-à-vis the product packaged in the container. This process is particularly suitable for use on packaging lines.
  • inert gas a gas which is not capable of reacting chemically with the preserved product and which does not contain microorganisms capable of degrading the preserved product.
  • inert gas is most often nitrogen.
  • suction or injection of inert gas is generally carried out through a hypodermic needle, the small section of which limits the gas flow rates and consequently increases the times required for these operations on the packaging lines.
  • Improving the conservation of products during storage has the advantage of making it possible to avoid, totally or partially, adding preservatives to these products, which can have a harmful action on the user, for example an irritant action or allergen in the case of a cosmetic.
  • the first object of the present invention is a method of packaging a product in a container, making it possible to ensure better conservation of the product during storage by establishing by suction a reduced pressure in the container and / or by introducing an inert gas therein with respect to the stored product, in which, after filling the container with the product through a neck area, a capsule is fixed in a leaktight manner on said neck area, through which a pressure below the pressure is established by suction atmospheric and / or an inert gas is introduced by injection, the capsule remaining on the container and then maintaining the sealing of the container during storage, characterized in that the capsule is associated with a valve constituted by an elastic membrane flexible with at least one opening; that a member connected to said valve is connected to suction means for establishing a reduced pressure and / or to injection means for introducing an inert gas; that the reduced pressure is established and / or the inert gas is introduced into the container using said member through the valve, the opening and closing of said valve being effected by deformation of the elastic membrane;
  • a valve constituted by a relatively thick elastic membrane comprising, in its central zone, an opening constituted by at least one slot, said membrane being held on the neck zone by its edges thanks to the capsule with which it cooperates; suction is ensured by applying to the central zone of the membrane, the end of a tube, the support perimeter completely surrounding said opening, and by connecting said tube to a source of reduced pressure, which ensures the deformation of edges of the opening under the action of the pressure difference and the communication of the interior of the container with the source of reduced pressure; in this embodiment, the injection of inert gas is ensured by mechanically deforming the elastic membrane in its central zone by the support of a cannula, the pipeline of which conveys the inert gas under pressure in line with the opening, the lips of which are spread by the support of the cannula.
  • a valve comprising a plurality of openings, the flexible membrane of the valve cooperating with a seat at the level of its openings, and as the member connected to suction means is chosen. and / or injection, a bell; to establish the reduced pressure or introduce the inert gas, said bell is pressed on the flexible membrane on a perimeter surrounding all of the openings.
  • the container it is possible either to establish a reduced pressure in the container, or to introduce an inert gas by purging the air contained in the container.
  • suction is first carried out so as to obtain a reduced pressure in the container, then the container is brought back to atmospheric pressure by the introduction of an inert gas.
  • an overcap is fixed on the capsule, which covers the valve.
  • the overcap may have only an aesthetic function by serving to cover and hide the capsule. However, it can also cooperate with the valve to maintain the tightness of the container during storage.
  • the cap is preferably covered with an overcap comprising elements preventing the flexible membrane from being deformed so as to keep the valve in the closed position during storage and, therefore, to seal the container. It should be noted that it is possible, in certain cases, not to fix an overcap, for example when the container is rigid, that the product does not evolve and that the inert gas is in the container under atmospheric pressure. However, in most cases, the fixing of an overcap is necessary to prevent the flexible membrane from deforming at the slightest overpressure inside the container and causing the valve to open.
  • the overcap can also include, by itself, sealing means arranged around the valve opening zone.
  • a second object of the present invention is a packaging assembly comprising a container containing a product, on a neck area of which is fixed a capsule associated with a valve through which a reduced pressure is established and / or an inert gas is introduced into the container.
  • this assembly is characterized in that the valve is constituted by a flexible elastic membrane having the shape of a cylindrical cap having an edge and a bottom, at least one opening being formed in the membrane, which can remain closed thanks to the inherent elasticity of said membrane and which can be opened by the action of a suction and / or injection member on the bottom of said membrane.
  • the container can be any and can, for example, have the shape of a bottle, a jar or a tube.
  • the neck area constitutes the part on which the capsule is fixed, whatever the shape and the cross-sectional dimension of this part with respect to the container and whatever the method of fixing used.
  • the neck area carrying the valve-capsule assembly may be that used for the outlet of the product, or it may be different. In the latter case, the product leaves via a second neck arranged in particular on the shoulder of the container, or on the part of the container opposite the neck area carrying the valve-capsule assembly.
  • an overcap is fixed, for example by snapping, on the capsule so as to cover the latter and the valve which it carries.
  • the outer wall of the capsule and / or the inner wall of the overcap is (are) preferably provided with means preventing rotation of the overcap relative to the capsule, in particular fins or grooves.
  • the valve is constituted by a relatively thick elastic membrane comprising, in its central zone, an opening constituted by at least one slot, said membrane being held on the neck zone by its edges thanks to the capsule with which it cooperates with.
  • the capsule may include a membrane support constituted by an inner collar substantially perpendicular to the longitudinal axis of the neck, the elastic membrane being fixed on said collar.
  • the elastic membrane can be fixed either on the side of the flange located on the container side, or on the side of the flange facing outwards, or even on the internal edge of the flange, at the same level thereof.
  • the membrane is mounted from the inside of the capsule and it seals between the collar and the edge of the neck of the container.
  • the membrane is mounted from the outside of the capsule; we can then fix it either by cold crimping using a metal ring, or by hot crimping, by plastic deformation, or by welding or gluing.
  • the membrane can be fixed by snapping, or possibly welding, on the edge of the collar; the inner edge of the collar can, in particular, for a membrane whose edges are thick, fit into a peripheral groove formed in the side wall of the membrane.
  • the capsule can advantageously be covered with an overcap comprising an element capable of reinforcing the seal.
  • the element capable of reinforcing the seal may consist of a projection of the overcap pressing on the zone corresponding to the opening (s) of the membrane; it can also be constituted by an annular rib of the overcap cooperating with an annular groove formed in the membrane around the opening.
  • the flexible membrane is carried by the capsule and the edge of the cylindrical cap constituting said flexible membrane is connected to the bottom by a side skirt, the membrane comprising a plurality of openings arranged in the junction zone of said bottom with said lateral skirt and in line with the end of a rigid skirt integral with the capsule, an annular projection carried by said bottom resting on the internal face of the rigid skirt, the end of said rigid skirt thus being clamped between said annular projection and the lateral skirt of the flexible membrane.
  • the elastic membrane is generally thinner than in the first embodiment; the valve is opened and closed by deformation of the elastic membrane, which makes it possible to separate the flexible skirt from the rigid skirt forming a seat or to bring them into contact; the flexible skirt of the membrane is in leaktight contact with the seat skirt in the absence of any deformation of the central zone of the elastic membrane and moves away from the seat skirt when there is deformation of said zone under the action of an external depression.
  • a perforated wall ensuring both the rigidity of the rigid skirt and the passage of the product to be dispensed and , on the other hand, means ensuring the seal between the capsule and the container.
  • the elastic membrane is fixed to the capsule, preferably by welding, snapping or gluing the rim of the cylindrical cap, which constitutes the elastic membrane, to the zone of the capsule which surrounds the rigid skirt.
  • an overcap is preferably fixed on the capsule so as to cover it, this overcap comprising means for holding the elastic membrane in the closed position.
  • This means is, for example, constituted by a bead located on the inner wall of the overcap which presses on the elastic membrane substantially in line with the annular projection thereof and maintains the lateral skirt of the elastic membrane against the rigid skirt forming a seat .
  • FIGs 1 and 2 there is shown schematically the operation of the valve of an assembly according to the first embodiment of the invention.
  • a bottle 502 has its neck fitted with a screwed cap 503.
  • the cap 503 has in its upper part, that is to say that which is opposite the thread which secures the bottle 502, a radial flange 504 which presses on the edges of the neck an elastic membrane 505.
  • the membrane 505 has the shape of a cylindrical cap; it comprises a skirt 505 a by which it is engaged in the neck of the bottle 502, an annular edge 505 b , which is arranged below the flange 504 and which allows the elastic membrane 505 to be held on the neck, and a annular bead 505 c , which forms a separation between the rim 505 b and the central zone 505 d of the membrane.
  • the flexible elastic membrane 505 has, in its central zone and on its two faces, recesses in a bowl making it possible to reduce the thickness of the part of the membrane 505, which is on the axis of the neck of the bottle 502.
  • the membrane 505 has a relatively large thickness and is not constant over its entire periphery, but it is much thinner on the axis of the neck. This is where a slot has been made in the membrane; the slot has its two contiguous edges and the two edges are held against one another by the inherent elasticity of the material of the membrane 505. This slot constitutes the opening of the valve formed by the membrane 505.
  • FIG. 1 it can be seen that a tube 506 has been put in place on the membrane 505 which is connected to suction means; the lower end of this tube rests on the peripheral zone of the annular bead 505 c and the depression existing in the tube 506 causes a deformation of the lips of the slit, which allows a suction of the atmosphere contained in the bottle 502 above the product which was previously placed there. It is thus possible to establish, in the bottle, reduced pressure.
  • FIG. 2 shows that an inert gas can also be placed in the bottle 502.
  • the central zone of the membrane 505 is pressed by means of a cannula 507, the axial channeling of which allows the injection of an inert gas under pressure, for example nitrogen.
  • an inert gas under pressure for example nitrogen.
  • the cannula 507 There is exerted on the cannula 507 a significant downward mechanical force so as to cause the opening of the lips of the slot made in the central part 505 d of the membrane 505.
  • This spacing of the lips allows the injection of the inert gas.
  • the membrane 505 returns by elasticity to its initial position, that is to say to a position in which the lips of the slot are contiguous.
  • the assembly ready for storage shown in FIG. 3 is designated by the reference 1. It comprises a bottle 2 on which is fixed a head 3 on which an overcap 4 is fixed in turn.
  • the bottle 2 is filled with a product P.
  • the bottle 2 is surmounted by a cylindrical neck 21 connected to the body of the bottle by a shoulder 22.
  • the neck 21 is provided with an external screw thread 23.
  • the head 3 consists of an elastic membrane 5 forming a valve and of a capsule 6.
  • the capsule 6 is tightly fixed to the neck 21 of the bottle 2. It has a cylindrical skirt 61 provided on the lower part of its wall internal of an internal screw thread 63 cooperating with the external screw thread 23 of the neck 21 of the bottle 2.
  • the edge situated on the bottle side of the skirt 61 is disposed slightly above of the shoulder 22 of the bottle.
  • This edge located on the side of the bottle carries an external snap flange 62.
  • the internal wall of the skirt 61 carries at its upper part, below the upper edge of this skirt 61, a flat annular flange 64 perpendicular to the axis of the neck.
  • This flange 64 forming a support carries on its upper face a circular groove 65 and on its lower face a sealing skirt 66 of small height having an external diameter equal, apart from the necessary clearance, to the internal diameter of the neck.
  • the outer wall of the skirt 61 is provided with anti-rotation ridges 67.
  • the elastomeric membrane 5 forming a valve has a thick part 51 having, overall, the shape of a cylinder with the same axis as the neck 21; bowl-shaped.
  • the membrane 5 is bonded to the collar 64 of the capsule 6 by an annular part 52, thinner than the part 51, having a diameter slightly less than the inside diameter of the skirt 61.
  • On the lower face of the part 51 is disposed a cylindrical sealing skirt 54 having an outside diameter equal, apart from the necessary clearance, to the inside diameter of the flange 64 of the support 6.
  • the underside of the part 52 is provided with a bead 55 which fits into the groove 65 of the collar, the bead 55 and the groove 65 serving for centering the membrane 5 at the time of assembly.
  • An overcap 4 covers the head 3 and, consequently, the valve 5. It consists of a circular upper face 41, the edge of which leaves, towards the bottle, a cylindrical skirt 42 bearing on its internal wall, just above above its free edge, an annular groove 43, in which the flange 62 of the skirt 61 of the capsule 6 fits together.
  • the interior wall of the skirt 42 of the overcap 4 is provided with anti-rotation grooves 45.
  • Under the upper surface 41 of the overcap is disposed an axial projection 44 which comes into the storage position pressing on the place where the slot 56 is pierced (shown in dotted lines in FIG. 3).
  • the packaging process takes place as follows.
  • the bottle 2 is filled with the product P.
  • the head 3 is fixed by screwing the capsule 6 onto the neck 21 of the bottle, the elastomeric membrane 5 having been previously glued by its part 52 on the capsule 6 by inserting the skirt 54 into the opening of the flange 64 and fitting the bead 55 into the groove 65; suction is carried out using a tube 506 to obtain reduced pressure in the bottle, then nitrogen is introduced by injection using a device 507 until the bottle is returned to atmospheric pressure.
  • the opening 56 closes instantly thanks to the elasticity of the elastomer material constituting the membrane 5.
  • the overcap 4 is placed on the head 3.
  • the overcap 4 is slammed on the bead 62 of the capsule 6 by its groove 43.
  • the projection 44 presses on the membrane 5 to the right of the opening 56, now closed. It can be seen that, the opening 56 having closed and the projection 44 avoiding any risk of deformation of the membrane 5 in this zone, the bottle remains sealed during storage.
  • a user wishes to open the bottle, it acts in rotation on the overcap 4 and, thanks to the interaction of the streaks 67 of the capsule 6 and the streaks 45 of the overcap 4, it simultaneously drives the head 3. Everything is passes to the user as if the head 3 and the overcap 4 were only one piece.
  • FIG. 4 represents a variant 101 of the assembly according to the first embodiment of the invention; this assembly comprises a membrane 105 made of substantially elastomeric material in a head 103.
  • the overcap 104 is identical to that of assembly 1 shown in FIG. 3.
  • the membrane 105 is fixed by bonding under the collar 164 of the capsule 106.
  • the collar 164 carries on its face turned towards the bottle a groove 165 and the annular part 152 of the membrane 105 carries on its upper face a bead 155, the bead 155 fitting into the groove 165.
  • the membrane 105 carries, on the underside of its annular part, a sealing skirt 157 fitting into the neck 121 of the bottle 102.
  • the membrane 105 is mounted on the capsule 106 from the inside thereof before the head 103 is fixed to the neck 121 of the bottle 102.
  • FIG. 5 represents another variant 201 of the assembly according to the first embodiment of the invention.
  • the capsule 206 of the head 203 is identical to that shown in FIG. 4 and the membrane 205 is also fixed on the container side of the flange 264 of the capsule 206.
  • the element the overcap 204 is capable of reinforcing the seal: a circular rib 244 is formed under the upper face 241 of the overcap 204, a rib which cooperates with a circular groove 258 formed at the periphery of the upper bowl 253 of the membrane 205 all around the opening 256 formed by the slot with contiguous edges.
  • FIG. 6 also represents a variant 301 of the assembly according to the first embodiment of the invention.
  • This assembly 301 has no overcap.
  • the head 303 consists of a capsule 306 and a thick membrane 305.
  • the capsule 306 comprises a cylindrical skirt 361, which is screwed onto the neck 321 of the bottle 302.
  • the end turned towards the outside of the skirt 361 carries a collar annular 364 perpendicular to the axis of the neck 321.
  • the flange of the collar 364 forms a circular projection 368.
  • the membrane 305 of elastic material has a generally cylindrical shape; it has upper and lower cup-shaped surfaces 353.
  • the lateral surface of the membrane 305 has an annular groove 359 complementary to the projection 368.
  • the upper edge of the neck 321 is chamfered at 322 and the lower edge of the membrane 305 is also chamfered at 369 so as to have a shape complementary to that of the chamfer 322 of the neck 321.
  • the sealing is only ensured here by elastic clamping one against the other of the lips of the slot which constitutes the opening of the valve.
  • This variant is preferably used with a thick packaged product surmounted by an inert gas at atmospheric pressure.
  • Figures 8 and 9 show at different stages of the process an assembly 401 according to the second embodiment of the invention.
  • FIG. 9 shows in axial section, the assembly 401 ready for storage.
  • This assembly 401 is constituted by a bottle 402 on the neck 421 from which a head 403 is screwed, which is in turn covered by an overcap 404.
  • the head 403 consists of a capsule 406 on which a thin membrane is fixed by welding elastic 405 forming a valve and cooperating with a seat, which is part of the capsule 406.
  • FIG. 7 shows in more detail the capsule 406 and the membrane 405, during the mounting of the head 403.
  • the capsule 406 consists of a skirt cylindrical 461 with the same axis as the neck 421, which is provided on its internal wall with a screw thread cooperating with an external screw thread of the neck and which comprises, on its lower edge, an external bead of breakdown 462.
  • the skirt 461 carries, at its upper part, a circular transverse plate 464.
  • This plate 464 is pierced with openings 465 arranged on a circle having as axis the axis of the neck 421 and opening in this neck 421; it is provided, on its side on the bottle side, with a sealing skirt 466, in contact with the internal wall of the neck and, on its opposite side, with a cylindrical skirt 468, which forms a seat for the elastic membrane 405 as will be explained below.
  • the cylindrical skirt 468 surrounds the openings 465.
  • the elastic membrane 405 has the shape of a cylindrical cap, which covers the cylindrical skirt 468 and which has an annular flat edge 452 and a bottom 451. Openings 453 are arranged on a circle in the zone of connection between the edge 452 and the lateral skirt of the cylindrical cap, said lateral skirt connecting the bottom 451 and the edge 452.
  • the edge 452 is welded to the transverse plate 464 so that the annular projection 454 of the elastic membrane 405 is in contact with the interior of the skirt 468 of the capsule and that the openings 453 open in the space between the annular projection 454 and the side skirt of the elastic membrane 405, the skirt 468 being disposed between the annular projection 454 and the side skirt of the membrane 405.
  • the overcap 404 laterally comprises a cylindrical skirt 442, the lower edge of which has a groove 443 cooperating with the external flange 462 of the capsule 406 and the upper edge of which is connected to a circular upper face 441 perpendicular to the axis of the neck 421.
  • the internal wall of the upper face 441 carries, as a means keeping the elastic membrane in the closed position, an annular bead 444, which presses on the elastic membrane on a circle with a diameter slightly smaller than that of the annular projection 454, so to be able to maintain said projection 454 pressed in leaktight manner against the rigid skirt 468.
  • the bottle 402 is filled with product P, then the capsule 406 equipped with its elastic membrane 405 is screwed onto the neck 421 of the bottle 402.
  • the capsule 406 equipped with its elastic membrane 405 is screwed onto the neck 421 of the bottle 402.
  • a bell 407 we apply then tightly on the elastic membrane 405 a bell 407 and the air contained in the bottle is aspirated, as indicated by the arrow F1 so as to establish a reduced pressure in the bottle 402.
  • the elastic membrane 405 is deformed by swelling, the side wall of the cap deviating from the external wall of the skirt 468; simultaneously, the annular projection 454 of the membrane 405 departs from the skirt 468 of the capsule 406; the openings 453 of the membrane 405 and 465 of the capsule 406 bring the bottle 402 into communication with the bell 407.
  • the overcap 404 is then fixed on the head 404.
  • the annular bead 444 presses on the elastic membrane 405 and maintains said membrane 405 in the closed position while maintaining the projection 454 pressed on the skirt 468, even in the event of repressurization of the bottle 402.
  • the product contained in the bottle is therefore kept under reduced pressure during storage and isolated from the atmosphere.
  • overcap 404 When the user wishes to withdraw the product contained in the bottle, he acts on the overcap 404, which is secured in rotation with the head 403 by interaction of the ridges 467 and 445, and separates the assembly (overcap 404 / head 403) from the bottle 402.
  • valve formed by the elastic membrane 405 is kept in the sealed closed position during storage until the user opens the bottle.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Closures For Containers (AREA)
EP91401462A 1990-06-15 1991-06-05 Verfahren zur Konditionierung eines Produktes in einem Behälter, wobei Produktkonservierung während Aufbewahrung gewährleistet wird, und zugehörige Verpackungseinheit Expired - Lifetime EP0462861B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9007496 1990-06-15
FR9007496A FR2663291A1 (fr) 1990-06-15 1990-06-15 Procede pour le conditionnement d'un produit dans un flacon, permettant d'assurer une meilleure conservation du produit au cours du stockage et ensemble de conditionnement correspondant.

Publications (2)

Publication Number Publication Date
EP0462861A1 true EP0462861A1 (de) 1991-12-27
EP0462861B1 EP0462861B1 (de) 1994-04-27

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EP91401462A Expired - Lifetime EP0462861B1 (de) 1990-06-15 1991-06-05 Verfahren zur Konditionierung eines Produktes in einem Behälter, wobei Produktkonservierung während Aufbewahrung gewährleistet wird, und zugehörige Verpackungseinheit

Country Status (4)

Country Link
US (1) US5143236A (de)
EP (1) EP0462861B1 (de)
DE (1) DE69101811T2 (de)
FR (1) FR2663291A1 (de)

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US6481221B2 (en) 2001-03-08 2002-11-19 James E. Ferris Apparatus and methods for placing an additive fluid into a refrigerant circuit
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US6446844B1 (en) 2001-12-18 2002-09-10 Seaquist Closures Foreign, Inc. Closure with internal flow control for a pressure openable valve in an extendable/retractable nozzle
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EP1636091A2 (de) 2003-05-12 2006-03-22 Medical Instill Technologies, Inc. Abgabevorrichtung und vorrichtung zum füllen einer abgabevorrichtung
US7226231B2 (en) 2003-07-17 2007-06-05 Medical Instill Technologies, Inc. Piston-type dispenser with one-way valve for storing and dispensing metered amounts of substances
US7264142B2 (en) 2004-01-27 2007-09-04 Medical Instill Technologies, Inc. Dispenser having variable-volume storage chamber and depressible one-way valve assembly for dispensing creams and other substances
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US8191734B2 (en) * 2006-01-11 2012-06-05 Christopher Lupfer Method and apparatus for gasifying and/or maintaining gasification in liquids
US20090113901A1 (en) * 2007-11-07 2009-05-07 Interdynamics Inc. Method and Apparatus for Servicing a Coolant System
RU2404095C1 (ru) * 2009-06-25 2010-11-20 Дмитрий Николаевич Сизых Укупорочное устройство
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US9428292B2 (en) * 2013-03-13 2016-08-30 Silgan White Cap LLC Fluid injection system and method for supporting container walls
US20150121807A1 (en) * 2013-11-04 2015-05-07 Silgan White Cap LLC Fluid injection system and method for scavenging oxygen in a container
US10406547B2 (en) 2014-09-22 2019-09-10 K&N Engineering, Inc. Sprayer nozzle support
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US10392239B2 (en) * 2016-07-29 2019-08-27 Berry Plastics Corporation Liquid dispenser
KR102638609B1 (ko) 2017-07-27 2024-02-19 바이오메리욱스, 인코포레이티드. 격리 튜브
EP3564147B1 (de) * 2018-05-03 2020-12-16 Aptar Radolfzell GmbH Flüssigkeitsspender mit zusammendrückbarem flüssigkeitsspeicher

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US2364126A (en) * 1941-12-09 1944-12-05 Cantor Abraham Receptacle closure
US4243150A (en) * 1978-01-23 1981-01-06 Siemens Aktiengesellschaft Bottle seal
US4244478A (en) * 1979-06-27 1981-01-13 Mpl, Inc. Closure assembly for unit dose vial
US4487326A (en) * 1983-11-10 1984-12-11 Owens-Illinois, Inc. Carbonated beverage package
EP0234607B1 (de) * 1986-01-20 1989-04-12 Bernardus Johannes Josephus Augustinus Schneider Stopfen für einen Behälter und eine mit diesem verbindbare Pumpe

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0555623A1 (de) * 1992-02-14 1993-08-18 The Procter & Gamble Company Vorrichtung umfassend einen mit einem Schlitzventil als Entlüftungsventil versehenen Behälter und eine in diesem Behälter enthaltene Flüssigkeit
US5390805A (en) * 1992-02-14 1995-02-21 The Procter & Gamble Company System comprising a container having a slit valve as a venting valve and a liquid contained in said container

Also Published As

Publication number Publication date
US5143236A (en) 1992-09-01
DE69101811T2 (de) 1994-10-13
FR2663291A1 (fr) 1991-12-20
DE69101811D1 (de) 1994-06-01
EP0462861B1 (de) 1994-04-27
FR2663291B1 (de) 1995-02-24

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