EP3107821A1 - Device for packaging and dispensing a product having a dosing nozzle - Google Patents

Device for packaging and dispensing a product having a dosing nozzle

Info

Publication number
EP3107821A1
EP3107821A1 EP15710545.3A EP15710545A EP3107821A1 EP 3107821 A1 EP3107821 A1 EP 3107821A1 EP 15710545 A EP15710545 A EP 15710545A EP 3107821 A1 EP3107821 A1 EP 3107821A1
Authority
EP
European Patent Office
Prior art keywords
actuating portion
product
rigid
layer
container
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
EP15710545.3A
Other languages
German (de)
French (fr)
Other versions
EP3107821B1 (en
Inventor
Jacques Pozzi
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.)
Horus Pharma SAS
Sivel
Original Assignee
Horus Pharma SAS
Sivel
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
Priority claimed from US14/185,139 external-priority patent/US9004317B2/en
Priority claimed from FR1452900A external-priority patent/FR3019529B1/en
Application filed by Horus Pharma SAS, Sivel filed Critical Horus Pharma SAS
Priority to PL15710545T priority Critical patent/PL3107821T3/en
Publication of EP3107821A1 publication Critical patent/EP3107821A1/en
Application granted granted Critical
Publication of EP3107821B1 publication Critical patent/EP3107821B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • B65D47/00—Closures with filling and discharging, or with discharging, devices
    • B65D47/04—Closures with discharging devices other than pumps
    • B65D47/06—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages
    • B65D47/18—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages for discharging drops; Droppers
    • 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

Definitions

  • the present invention relates to the technical field of packaging, and more particularly to that of packaging and dispensing a liquid or viscous product intended to be preserved in a sealed and sterile manner, without the addition of preservatives, and to be dispensed in the form of precise unit doses using a dispenser assembly.
  • the invention more particularly relates to a device for packaging and dispensing a sterile product, and which comprises a container for containing the product to be dispensed with a measuring tip, of the type without air inlet whose container is provided.
  • This product conditioning and dispensing device typically comprises a dosing assembly adapted to dispense a dose of the product, this dosage assembly comprising:
  • the tip provided with a movable actuating portion between a rest position and an engaged position, and which actuates the product distribution;
  • a rigid guide element preferably in the form of a rod, which has at least one abutment surface adapted to limit the displacement of the actuating portion (and to define the engaged position);
  • a first valve allowing the product present in the dispensing channel to exit the nozzle when pressure is applied to the actuating portion
  • a product metering chamber which communicates with the dispensing channel and is delimited between the guide member and the actuating portion.
  • Such a device is known from WO 2010/089501 A1.
  • a relatively accurate dosage is obtained and the dosing unit ensures perfect bacteriological cleanliness at the end of the tip.
  • Conventional packaging devices are also known which make it possible to preserve and distribute a product in the form of portions or in any other form, while keeping it sterile or protected from air for the duration of its use. These devices are used in particular in the pharmaceutical, cosmetic, and food fields, and for some more particularly in the ophthalmological field.
  • a dispenser assembly which may be a flexible nozzle.
  • This dispenser assembly is capable of dispensing portions of product but is designed to oppose any entry of air into the container.
  • a filter is associated with the device and it can be in the bottom of the container or on the dispensing tip. This filter can be associated with an elastic valve located between the filter and the interior of the container to prevent contact between the product and the filter.
  • the devices which comprise a flexible tip are not well adapted to deliver precise doses and / or the accuracy decreases as the device is manipulated.
  • a first object of the invention is to allow the sterile maintenance of the product throughout the use of the device.
  • a second object of the invention is to deliver very precise doses of the product in order to allow its use, in particular in the pharmaceutical field.
  • a third goal is to combine the simplicity of the actuation for the user and durability of the tip.
  • the invention aims to overcome the disadvantages of similar devices of the state of the art and to provide such a device that is very suitable for various requirements of practice.
  • a packaging and dispensing device of the aforementioned kind with a dosing assembly adapted to dispense a predetermined dose of product with the particularity that the actuating portion comprises:
  • the dosing assembly comprises a rigid portion to which is connected the second layer of the actuating portion, in an articulated manner and / or with a restoring action to the outside of said second layer when the pressure applied to the actuating portion ceases.
  • This arrangement of the dosing unit is advantageous in that the reinforcing layer can effectively prevent deformations of the first layer, which can modify the effective volume of product expelled from the dosing chamber, and that the connection of this reinforcement layer actively participates in the return of the actuating portion to its initial rest position when the device is no longer solicited.
  • the device not only makes it possible to maintain the sterile product, to dispense precise doses of product by simple pressure on a flexible dispenser assembly integral with the container, but also to always generate the same pressure in the device as well as a greater return action. energetic only with the use of a single layer of flexible material, which facilitates the renewal of product in the metering chamber.
  • the first layer is made of a first elastic material and the second layer comprises a second material that is preferentially more rigid than the first material (the second material being a rigid plastic material, such as for example polyethylene, polypropylene or similar plastic which is hard and therefore very flexible as soon as a threshold thickness of the order of a millimeter is exceeded).
  • the portion rendered flexible is thus made of a material having a greater restoring force than the material of the flexible part.
  • the second layer and the rigid portion are part of the same part obtained by plastic injection.
  • This design of a part makes it possible to obtain a joint in a simple and economical way.
  • the second layer, resiliently biased outwardly can advantageously exert traction on the first layer and provides a precise and regular filling of the metering chamber.
  • the second layer is made of a rigid material attached to the first layer so as to make the actuating portion perfectly dimensionless, allowing a localized axial support; the second reinforcing layer may have an outline and shape similar to a fingerprint so that the bearing area on the actuating portion is perfectly identifiable;
  • the flexible part of the endpiece comprises a local thinning zone forming an elastic articulation, whereby each of the first and second layers of the actuating portion is connected to a corresponding articulation zone (with a double effect hinge, the deformations of the flexible part can be repeated without altering the accuracy of the dosage);
  • the tip extends in a longitudinal direction to a free end and the actuating portion is movable radially inwards until abutting against the abutment surface;
  • the actuating portion is longitudinally offset from the free end, the rigid portion extending away from the free end;
  • the rigid portion of the dosing assembly is annular and forms an end of the nozzle, opposite the free end;
  • the first valve is a non-return valve preventing the outside air from entering the dispensing channel and allowing the product to exit from the end-piece on the side of the free end (the dose thus formed is expelled to the outside) the device in a controlled manner, typically through the deformation of a flexible and resilient end of the tip);
  • the metering chamber is supplied with product from the container by a supply channel which extends from a passage associated with a second check valve of the non-return type, this second valve allowing the product to supply the metering chamber; (via the feed channel) during the elastic return of the actuating portion while opposing the passage of the product from the inside of the metering chamber to the container when the actuating portion is requested;
  • the second valve being mounted on a rigid base separate from said rigid portion, the rigid portion and the base being connected to one another and made fixed with respect to the container;
  • the container may consist of two rigid pieces of plastic material molded separately and assembled in a sealed manner, one of which forms a support for the end piece (the guide element may form part of this part) and the other part comprises the housing of a device or air intake assembly in which are provided a filter and a valve;
  • the tip is arranged around a central axial seat formed in one piece and which includes the guide element, the metering chamber being limited angularly on the circumference of the guide element, so that the chamber of assay has a non-annular configuration and extends only to the side of the actuating portion;
  • the distribution channel is also limited angularly and extends only to the side of the actuating portion
  • the actuating portion defines a push button, the first layer of the actuating portion being configured to completely cover the abutment surface, so as to completely empty the dosing chamber into the engaged position of the actuating portion (this makes it possible to ensure the distribution of the same predetermined dose of the product);
  • the tip extends annularly about a longitudinal axis
  • the actuating portion defined in a side wall of the nozzle, is arranged to be pushed radially to the longitudinal axis;
  • the tip comprises a deformable material on the side of the free end to form the flexible portion but may include a surplus of thickness to form the first layer of the actuating portion, whereby the second layer can cover only a part of the first layer (the excess thickness gives a relatively indeformable character to the first layer, so that a minority portion, annular or any other shape can be covered by the second layer which extends the rigid portion);
  • the thick portion (with the surplus thickness and therefore relatively deformable) of the deformable portion is articulated around thin and elastic portions located longitudinally on each of its sides and at each of its axial ends; the inner shape of this relatively undeformable thick portion exactly hugs the surface opposite the metering chamber when it is urged by a lateral support thus making it possible to completely empty said chamber;
  • the device comprises an air renewal and filtration unit allowing outside air to enter the container after dispensing a dose of the product, the air renewal and filtration assembly preferably comprising a mounted valve; on the inner face of the bottom of the container, opposite the dosing assembly; the filter provided for the filtration of the incoming air forms a barrier for the bacteria present in the ambient air; this filter may be in various forms, molded or secured to the bottom of the container by any suitable means or be previously mounted in a rigid plastic sheath which will itself be assembled at the bottom of the container by any suitable means such as overmolding, engagement in force or welding;
  • the valve of the air renewal and filtration assembly has an elastically deformable valve which cooperates with a seat situated in the bottom of the container; this valve is turned towards the inside of the container, being held by means to retain it when it is stressed.
  • an elastic valve can effectively prevent any exit of the product to the outside of the container via the air inlet passage, while allowing the entry of outside air by flexing elastically towards the interior of the container, under the effect of the suction of the outside air after the expulsion of a portion of product through the dosing unit.
  • FIG. 1 is a schematic axial sectional view of a device according to the invention, showing a container made of two rigid parts assembled to each other in a sealed manner, and with which cooperate an intake assembly of air comprising a filter and an elastic valve allowing air to enter but preventing any leakage of liquid through the air inlet passage and a dosing assembly comprising a dosing chamber located on an angular sector and an articulated actuating portion capable of being biased by a lateral support;
  • FIG. 2a shows a cross section of the device shown in Figure 1 showing the metering chamber located on an angular sector and the actuating portion articulated in its rest position (when not requested);
  • Figure 2b is a view similar to Figure 2a showing the metering device when the actuating portion is biased and occupies its engaged position against a rigid guide member;
  • FIGS. 3a and 3b are respective views identical to FIG. FIG. 3a showing the dosing assembly when in the rest position, while FIG. 3b showing the engaged position having made it possible to dispense the dose.
  • the packaging and dispensing device comprises a rigid container 1, provided with a bottom 7 and a tubular side wall 19.
  • An air intake assembly 20 is disposed in this bottom 7.
  • this air intake assembly 20 is composed of a filter 8, a resilient valve 15 'or similar valve co-operating with a seat 6 and one or more orifices 9 and 18 for the passage of air.
  • a rigid support piece S is sealed to the container 1 and a tip 3 provided with a flexible portion 25 is secured to the rigid support part S.
  • the interior volume of the container 1 is therefore delimited by two rigid parts 1 and S, preferably of plastic molded separately, which are assembled in a sealed manner (with airtightness).
  • the hole or holes 18 ' make it possible to communicate this interior volume, filled with product 1 1, with the inside of the mouthpiece 3.
  • the rigid support piece S and the end piece 3 (which here has a generally tubular shape about a longitudinal axis X) can form a metering assembly 2 arranged in the extension of the container 1.
  • the metering assembly 2 may be narrower than the container 1, having a maximum perimeter smaller than the perimeter of the side wall 19.
  • a threaded zone 12 (visible in FIGS. 3a-3b) is optionally provided near the junction between the container 1 and a rigid portion 41 forming part of the nozzle 3, preferably on an external surface of the rigid portion 41. This makes it possible to assemble a protective cap (not shown) which covers the dosing assembly 2 and typically extends the end 19a of the side wall 19.
  • the metering assembly 2 may comprise a rigid guide element 5, which may form an integral part of the rigid support part S.
  • the guide element 5 forms an axial projection, preferably in the form of rod, from a base 21 connected to the end 19a of the side wall 19.
  • the dosing assembly 2 comprises an actuating portion 35 which is formed here laterally in the nozzle 3 and which has an inner face 25a in contact with the product January 1. This actuating portion 35 is movable and adapted to compress the product 11 present in a product dosing chamber 34, inside the dosing assembly 2.
  • a valve 15 can be assembled directly or indirectly, so as to oppose any return to the inside of the container 1 of the product 1 1 contained in the metering chamber 34 when this is biased by displacement of the actuating portion 35 (this bias being typically a pressure as for a push button) but allows the passage of the liquid 1 1 from the interior of the container 1 to the metering chamber 34 when the bias on the portion the actuating portion 35 ceases and the actuating portion 35 elastically returns to its initial rest position, thereby creating a vacuum in the metering chamber 34.
  • this bias being typically a pressure as for a push button
  • FIGS. 2b and 3b show the dosing assembly 2 when a pressure is exerted on the actuating portion 35 (relatively indeformable in the bearing zone due to its thickness) according to arrow A.
  • the dosing chamber 34 has a geometry in correspondence with the inner contour of the actuating portion 35, so that the chamber 34 is completely emptied and the dose D of product 1 1 expelled from the device through the opening formed in the flexible material portion of the 3, around the end 5a of the guide element 5 here configured as a rod.
  • the expulsion outside the device results from the circulation in the terminal section of the distribution channel 10, along the elastic mobile wall 24, which temporarily moves away from the end 5a under the effect of the pressure .
  • the expulsion of the dose D is performed here parallel to the longitudinal axis X, the guide member 5 being rod-shaped to define this axis.
  • the portion (30, 31, 36, 36 ', 39, 39') of flexible material is secured to the rigid material portion 41 by overmolding or by any other means such as welding or engagement force.
  • This portion of flexible material, which extends to the free end 24a, is preferably longer than wide for good ergonomics of the dosing assembly 2. Its length is sufficient to allow easy support by the user without being able to be hindered by the wider part (forming a shoulder) of the rigid part 41.
  • the length L of this portion (30, 31, 36, 36 ', 39, 39') is greater than at least half the length of the support piece S.
  • the layer 30 of the portion 35 actuation may have, in this longitudinal direction, a length L30 which is less than half the length L of the portion (30, 31, 36, 36 ') of flexible material (or more generally not more than two thirds of this length L). Preferably, this length L30 is greater than one third of the length L.
  • the length L30 may correspond to a diameter when the actuating portion 35 has a substantially circular perimeter.
  • the metering chamber 34 can be delimited by the inner face 25a, mobile, and three fixed surfaces, one of which corresponds to an abutment surface 37 formed by the guide member 5. It is understood that the use of one or more abutment surfaces 37, opposite the inner face 25a, makes it possible to limit the displacement of the actuating portion 35.
  • the two other fixed surfaces are here formed by two faces 38 and 38 'of the end piece 3 (here defining two opposite edges of the fixed sub-part 31) which run along the element of 5 and extend radially outwardly from this guide member 5 to respective hinge portions 36, 36 ', elastic and thinned.
  • These hinge portions 36, 36 ' may longitudinally surround at least a portion of the operable external surface of the layer 30 (herein defined as a thick portion).
  • complementary hinge portions 39 and 39 ' may be provided at each axial end of the thick portion forming the layer 30.
  • the complementary hinge portion 39' is thus located adjacent to the rigid portion 41 and may form an extension of the hinge portions 36, 36 '.
  • the inner face 25a, the abutment surface 37 and the faces 38, 38 ' extend longitudinally from an inlet end 34a of the chamber 34 to an outlet end.
  • the inlet end 34a communicates with the hole or holes 18 'by a feed channel 10' situated between a portion of the rigid portion 41 and the guide element 5.
  • This inlet end 34a is defined between the complementary hinge portion 39 'and guide member 5.
  • the exit end is located on the free end 24a side.
  • a supply channel 10 'and a distribution channel 10 are thus formed, on the one hand, and other of the dosing chamber 34, in order to allow the product 11 to be conveyed between the hole or holes 18 'and the movable portion 24 of the valve 4 provided to define an outlet of the nozzle 3.
  • the endpiece 3 may have a fixed subpart 31 made of the same material and of a block with the flexible portion 25. As shown in Figures 1, 2a-2b and 3a-3c, this fixed sub-portion 31 is contiguous and preferably fixedly attached (preferably by overmoulding) to the guide member 5, in the complementary angular sector of the sector where the chamber 34 of dosing extends.
  • FIG. 2b shows the metering chamber 34 in cross section, with a limitation of this chamber 34 to an angular portion (the angular sector being for example less than or equal to 120 °).
  • FIG. 2b illustrates a preferred option with perfect contact of the inner face 25a against the abutment surface 37 by conforming to its shape and also hinge parts 36 and 36 'against the side edges or faces 38 and 38' due to the elastic elongation of these hinge portions 36 and 36 '.
  • the elongation of the hinge parts 36, 36 'in the direction here radial (direction of the force caused by the support according to arrow A), is completely reversible due to their elasticity coupled to the return action of the part including the second rigid layer 40 articulated to the rigid portion 41.
  • the rest position of the actuating portion 35, and the volume of the dosing chamber 34 remains the same.
  • the flexible portion 25 of the nozzle 3 for example made of silicone, a similar flexible material or thermoplastic elastomer, extends axially the rigid portion 41, here of annular shape and has a portion thin and resilient or analog valve 4 cooperating with the end 5a of the guide member 5 for dispensing a dose D of product 1 1 when the device is biased.
  • the actuating portion 35 comprises an inner layer or first layer 30 formed in the flexible portion 25, between the rigid portion 41 and the valve 4.
  • the rigid portion 41 is, by way of non-limiting example, formed of a rigid material (in practice difficult to deform) such as a rigid plastic based on polyolefin, such as polyethylene or polypropylene. It extends here annularly around the longitudinal axis X.
  • a rigid material in practice difficult to deform
  • polyolefin such as polyethylene or polypropylene
  • the piece forming the rigid portion 41 is extended locally by an axial projection which forms an outer layer or second layer 40 of the actuating portion 35.
  • the second layer 40 is not reported on the first layer 30 of the portion of actuation 35 but is part of the rigid portion 41.
  • the superposition of the two layers 30, 40 can increase the thickness of the actuating portion 35 (thick portion compared to adjacent hinge portions 36, 36 ', 39, 39').
  • the actuating portion 35 then sinks, here under the action of a lateral support along the arrow A (visible in Figures 2b and 3b). Due to the inward displacement of the actuating portion 35, the fluid product (liquid or a low viscosity product or similar substance) present in the metering chamber 34 is compressed. Due to this inward movement, the movable portion of the nonreturn valve 15 is pushed against the base 21 to very effectively close the inlet passage or hole 18 'which communicates with the interior of the container 1 . This allows the product 1 1 to leave the side of the free end 24a by deformation of the movable portion 24 here flexible (which causes the opening of the valve 4), because of the thrust of the pressurized product which was enclosed in the chamber 34 of dosage.
  • the inner face 25a is displaced to correspond exactly with the seat, here convex, formed by the abutment surface 37. More generally, the internal shape of the Actuating portion 35 may correspond precisely to the geometry of the dosing chamber 34 when the dosing assembly 2 is biased.
  • the elasticity of the flexible rendered portion 42 participates with the hinge portions 36, 36 ', 39 and 39' upon return of the actuating portion 35 to its initial rest position.
  • the second rigid layer 40 makes it possible to reinforce the actuating portion 35. As a result, the product in the dosing chamber 34 can be effectively compressed and expelled, in the same way, after repeated use of the actuating portion 35 of the tip 3.
  • the second layer 40 is formed by an axial projection which extends from a shoulder, here annular, of the rigid portion 41.
  • the second layer 40 can oppose direct contact of a finger of the user with the first layer 30.
  • the second layer 40 may have a surface at least as large as that of the first layer 30 or form reliefs leaving spaces insufficiently large to allow direct support on the first layer 30.
  • the actuating portion 35 generates a depression inside the metering chamber 34.
  • This depression causes the opening of the valve 15 which bends and comes off the support S which allows the passage of the liquid product 1 1 through the holes 18 'to the inside of the metering chamber 34 which fills.
  • the passage of the liquid 1 1 to the chamber 34 in turn causes a vacuum in the space 33 of the container 1 which does not contain product 1 1, which has the effect of lifting the valve 15 'from its seat 6 and thus allow the entry of air from the outside to the inside of the container 1 through the air intake assembly 20 (for example via the holes 9, the filter 8 and the holes 18).
  • the filter 8 having retained the external bacteria, the air entering the container 1 is sterile and the product 11 is not contaminated.
  • This air intake ceases when the metering chamber 34 is completely filled and when the pressure balance between the inner space 33 and the outside of the container 1 is reached. The device is thus ready to be used again and to distribute an identical dose.
  • the zone of joining between the first layer 30 and the second layer 40 can preferably be obtained by being secured by any means for fixing material at the interface between the two layers 30 and 40.
  • the rigid projection forming the second layer 40 is only connected to the rigid portion 41 (and formed of a block with it) and the connection against the first layer 30 results only from the connection between the rigid portion 41 and the container 1.
  • the rigid portion 41 differently, for example in a non-annular manner and attached to a fixed part of the end piece 3 (association by gluing, over-molding or welding, or by any other means).
  • the portion 42 made flexible is retained which is preferably formed in an intermediate zone of a rigid piece in one piece.
  • the second layer 40 may be in the form of a push button, connected or not to the first layer 30 being contiguous on the outside thereof.
  • the second layer 40, rigid, is then resting on a spring or equivalent elastic return member, for example assembled in a cavity of the rigid portion 41 (non-hinge option of the second layer 40).
  • One or more abutment members are used in the connection between the second layer 40 and the rigid portion, knowing that this connection is configured to make the second layer 40 movable inwards and able to completely empty the chamber 34 .
  • the device can be compact and is well suited for dispensing the same precise doses of liquid or slightly viscous product.
  • the device is especially designed for pharmaceutical, cosmetic and ophthalmic applications.
  • the actuating portion 35 is illustrated to be movable in a direction perpendicular to the longitudinal axis X, it is understood that the geometry of the tip 3 can be modified so that the actuating portion 35 formed with the two layers 30, 40, being mobile in a non-zero axial component direction or possibly in a substantially axial direction (in the latter case, the actuating portion 35 extends radially and is for example movable to an engaged position which corresponds to a support against the base portion 21).
  • the metering chamber 34 can then be adjacent to the valve 15.
  • the internal geometry of the actuating portion 35 preferably corresponds exactly to that of the metering chamber 34.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Medical Preparation Storing Or Oral Administration Devices (AREA)
  • Closures For Containers (AREA)

Abstract

The device for packaging and dispensing a generally fluid product comprises a rigid container (1) intended to contain the product (11) and a dosing assembly made up of a nozzle (3) with a flexible part engaging with a rigid seat. A movable actuating portion (35), reinforced by an external layer (40) in order to be rendered non-deformable, allows the product to be dispensed when a force is applied to said actuating portion (35), compressing a dosing chamber (34). The dosing assembly (2) comprises a rigid portion (41) to which the external layer (40) is connected in an articulated manner and/or with a return action towards the outside of the external layer (40) when the application of a force to the actuating portion (35) stops. Application to the packaging and dispensing of sterile products, in particular pharmaceutical or cosmetology products.

Description

DISPOSITIF DE CONDITIONNEMENT ET DISTRIBUTION D'UN PRODUIT AVEC  DEVICE FOR PACKAGING AND DISPENSING A PRODUCT WITH
EMBOUT DOSEUR  DOSER BIT
La présente invention se rapporte au domaine technique de l'emballage, et plus spécialement à celui du conditionnement et de la distribution d'un produit liquide ou visqueux destiné à être conservé d'une manière étanche et stérile, sans l'adjonction de conservateur, et à être distribué sous forme de doses unitaires précises à l'aide d'un ensemble distributeur. The present invention relates to the technical field of packaging, and more particularly to that of packaging and dispensing a liquid or viscous product intended to be preserved in a sealed and sterile manner, without the addition of preservatives, and to be dispensed in the form of precise unit doses using a dispenser assembly.
L'invention a plus particulièrement pour objet un dispositif de conditionnement et distribution d'un produit stérile, et qui comprend un récipient destiné à contenir le produit devant être distribué à l'aide d'un embout doseur, du type sans entrée d'air, dont le récipient est muni.  The invention more particularly relates to a device for packaging and dispensing a sterile product, and which comprises a container for containing the product to be dispensed with a measuring tip, of the type without air inlet whose container is provided.
Ce dispositif de conditionnement et distribution de produit, généralement fluide, comprend typiquement un ensemble de dosage adapté pour distribuer une dose du produit, cet ensemble de dosage comprenant :  This product conditioning and dispensing device, generally fluid, typically comprises a dosing assembly adapted to dispense a dose of the product, this dosage assembly comprising:
- l'embout pourvu d'une portion d'actionnement mobile entre une position de repos et une position engagée, et qui permet d'actionner la distribution du produit ;  - The tip provided with a movable actuating portion between a rest position and an engaged position, and which actuates the product distribution;
- un élément de guidage rigide, de préférence en forme de tige, qui présente au moins une surface de butée adaptée pour limiter le déplacement de la portion d'actionnement (et définir la position engagée) ;  a rigid guide element, preferably in the form of a rod, which has at least one abutment surface adapted to limit the displacement of the actuating portion (and to define the engaged position);
- un canal de distribution situé le long de l'élément de guidage ;  a distribution channel located along the guide element;
- un premier clapet permettant au produit présent dans le canal de distribution de sortir de l'embout quand une pression est appliquée sur la portion d'actionnement ;  a first valve allowing the product present in the dispensing channel to exit the nozzle when pressure is applied to the actuating portion;
- une chambre de dosage de produit, qui communique avec le canal de distribution et est délimitée entre l'élément de guidage et la portion d'actionnement.  - A product metering chamber, which communicates with the dispensing channel and is delimited between the guide member and the actuating portion.
Un tel dispositif est connu par le document WO 2010/089501 A1 . Un dosage relativement précis est obtenu et l'ensemble de dosage assure une propreté bactériologique parfaite à l'extrémité de l'embout.  Such a device is known from WO 2010/089501 A1. A relatively accurate dosage is obtained and the dosing unit ensures perfect bacteriological cleanliness at the end of the tip.
On connaît aussi des dispositifs de conditionnement de structure classique qui permettent de conserver et distribuer un produit sous forme de portions ou sous toute autre forme, tout en le maintenant stérile ou à l'abri de l'air pendant toute la durée de son utilisation. Ces dispositifs sont utilisés notamment dans les domaines pharmaceutique, cosmétique, et de l'alimentation, et pour certains plus particulièrement dans le domaine ophtalmologique. Conventional packaging devices are also known which make it possible to preserve and distribute a product in the form of portions or in any other form, while keeping it sterile or protected from air for the duration of its use. These devices are used in particular in the pharmaceutical, cosmetic, and food fields, and for some more particularly in the ophthalmological field.
Ils sont composés d'un récipient souple ou rigide muni d'un ensemble distributeur qui peut être un embout souple. Cet ensemble distributeur est susceptible de distribuer des portions de produit mais il est conçu de manière à s'opposer à toute entrée d'air dans le récipient. Un filtre est associé au dispositif et il peut se trouver dans le fond du récipient ou sur l'embout distributeur. Ce filtre peut être associé à une valve élastique situé entre le filtre et l'intérieur du récipient afin d'empêcher tout contact entre le produit et le filtre.  They are composed of a flexible or rigid container provided with a dispenser assembly which may be a flexible nozzle. This dispenser assembly is capable of dispensing portions of product but is designed to oppose any entry of air into the container. A filter is associated with the device and it can be in the bottom of the container or on the dispensing tip. This filter can be associated with an elastic valve located between the filter and the interior of the container to prevent contact between the product and the filter.
Il faut noter que, lorsqu'une portion de produit est expulsée à l'extérieur du récipient, il se crée à l'intérieur dudit récipient une dépression qu'il est nécessaire de compenser par une entrée d'air équivalente au volume de produit expulsé.  It should be noted that, when a product portion is expelled outside the container, there is created inside said container a vacuum that must be compensated by an air inlet equivalent to the volume of product expelled .
En général, les dispositifs qui comportent un embout souple ne sont pas bien adaptés pour délivrer des doses précises et/ou la précision diminue au fur et à mesure des manipulations du dispositif.  In general, the devices which comprise a flexible tip are not well adapted to deliver precise doses and / or the accuracy decreases as the device is manipulated.
Un premier but de l'invention est de permettre le maintien stérile du produit pendant toute la durée d'utilisation du dispositif.  A first object of the invention is to allow the sterile maintenance of the product throughout the use of the device.
Un second but de l'invention est de délivrer des doses très précises de produit afin de permettre son utilisation notamment dans le domaine pharmaceutique.  A second object of the invention is to deliver very precise doses of the product in order to allow its use, in particular in the pharmaceutical field.
Un troisième but est de cumuler la simplicité de l'actionnement pour l'utilisateur et durabilité de l'embout.  A third goal is to combine the simplicity of the actuation for the user and durability of the tip.
Plus généralement, l'invention a pour but de remédier à des inconvénients des dispositifs analogues de l'état de la technique et de proposer un tel dispositif qui convienne très bien aux diverses exigences de la pratique.  More generally, the invention aims to overcome the disadvantages of similar devices of the state of the art and to provide such a device that is very suitable for various requirements of practice.
A cet effet, il est proposé selon l'invention un dispositif de conditionnement et distribution du genre précité avec un ensemble de dosage adapté pour distribuer une dose prédéterminée de produit, avec la particularité que la portion d'actionnement comporte :  For this purpose, it is proposed according to the invention a packaging and dispensing device of the aforementioned kind with a dosing assembly adapted to dispense a predetermined dose of product, with the particularity that the actuating portion comprises:
- une première couche formée dans une partie flexible de l'embout ; et a first layer formed in a flexible part of the tip; and
- une deuxième couche de renforcement qui recouvre extérieurement la première couche (et rigidifie ainsi la zone d'appui de la portion d'actionnement) ; sachant que l'ensemble de dosage comprend une portion rigide à laquelle est reliée la deuxième couche de la portion d'actionnement, de façon articulée et/ou avec une action de rappel vers l'extérieur de ladite deuxième couche lorsque la pression appliquée sur la portion d'actionnement cesse. a second reinforcing layer which externally covers the first layer (and thus stiffens the bearing zone of the actuating portion); knowing that the dosing assembly comprises a rigid portion to which is connected the second layer of the actuating portion, in an articulated manner and / or with a restoring action to the outside of said second layer when the pressure applied to the actuating portion ceases.
Cette disposition de l'ensemble de dosage est avantageuse en ce que la couche de renforcement peut empêcher efficacement des déformations de la première couche, susceptibles de modifier le volume effectif de produit expulsé de la chambre de dosage, et en ce que la liaison de cette couche de renforcement participe activement au retour de la portion d'actionnement à sa position initiale de repos lorsque le dispositif n'est plus sollicité.  This arrangement of the dosing unit is advantageous in that the reinforcing layer can effectively prevent deformations of the first layer, which can modify the effective volume of product expelled from the dosing chamber, and that the connection of this reinforcement layer actively participates in the return of the actuating portion to its initial rest position when the device is no longer solicited.
Ainsi le dispositif permet non seulement de maintenir le produit stérile, de distribuer des doses précises de produit par simples pressions sur un ensemble distributeur souple solidaire du récipient, mais aussi de générer toujours la même pression dans le dispositif ainsi qu'une action de rappel plus énergique qu'avec l'utilisation d'une seule couche de matériau souple, ce qui facilite le renouvellement de produit dans la chambre de dosage.  Thus, the device not only makes it possible to maintain the sterile product, to dispense precise doses of product by simple pressure on a flexible dispenser assembly integral with the container, but also to always generate the same pressure in the device as well as a greater return action. energetic only with the use of a single layer of flexible material, which facilitates the renewal of product in the metering chamber.
Selon une particularité, la première couche est réalisée par un premier matériau élastique et la deuxième couche comprend un second matériau préférentiellement plus rigide que le premier matériau (le second matériau étant une matière plastique rigide, comme par exemple du polyéthylène, polypropylène ou plastique similaire qui est dur et donc très peu flexible dès qu'une épaisseur seuil de l'ordre du millimètre est dépassée). Lorsqu'une liaison articulée est utilisée pour exercer la force de rappel, la partie rendue flexible (typiquement par réduction d'épaisseur) est ainsi constituée d'un matériau ayant une force de rappel supérieure à celle du matériau de la partie souple. De ce fait, le rappel élastique pour retourner à la position neutre de la portion d'actionnement est meilleur qu'avec la seule utilisation d'un matériau aussi souple qu'un élastomère. Le retour à la position neutre est ainsi constant et régulier, même après un grand nombre de distributions de doses.  According to one feature, the first layer is made of a first elastic material and the second layer comprises a second material that is preferentially more rigid than the first material (the second material being a rigid plastic material, such as for example polyethylene, polypropylene or similar plastic which is hard and therefore very flexible as soon as a threshold thickness of the order of a millimeter is exceeded). When an articulated connection is used to exert the restoring force, the portion rendered flexible (typically by thickness reduction) is thus made of a material having a greater restoring force than the material of the flexible part. As a result, the elastic return to return to the neutral position of the actuating portion is better than using only a material as flexible as an elastomer. The return to the neutral position is thus constant and regular, even after a large number of dose distributions.
Selon une autre particularité, la deuxième couche et la portion rigide font partie d'une même pièce obtenue par injection de matière plastique. Cette conception d'une pièce permet d'obtenir une articulation de façon simple et économique. La deuxième couche, élastiquement rappelée vers l'extérieur peut exercer avantageusement une traction sur la première couche et permet d'obtenir un remplissage précis et régulier de la chambre de dosage.  According to another feature, the second layer and the rigid portion are part of the same part obtained by plastic injection. This design of a part makes it possible to obtain a joint in a simple and economical way. The second layer, resiliently biased outwardly can advantageously exert traction on the first layer and provides a precise and regular filling of the metering chamber.
Dans divers modes de réalisation du dispositif selon l'invention, on peut éventuellement avoir recours en outre à l'une et/ou à l'autre des dispositions suivantes : In various embodiments of the device according to the invention, it is possible to have recourse, in addition, to one and / or the other of the provisions following:
- la deuxième couche est réalisée dans un matériau rigide accolé à la première couche de manière à rendre la portion d'actionnement parfaitement indéformable, permettant un appui axial localisé ; la deuxième couche permettant le renforcement peut avoir un contour et une forme similaire à une empreinte digitale de manière à ce que la zone d'appui sur la portion d'actionnement soit parfaitement identifiable ; - The second layer is made of a rigid material attached to the first layer so as to make the actuating portion perfectly dimensionless, allowing a localized axial support; the second reinforcing layer may have an outline and shape similar to a fingerprint so that the bearing area on the actuating portion is perfectly identifiable;
- la partie flexible de l'embout comprend une zone d'amincissement local formant une articulation élastique, ce grâce à quoi chacune des première et deuxième couches de la portion d'actionnement est raccordée à une zone d'articulation correspondante (avec un double effet de charnière, les déformations de la partie flexible peuvent être répétées sans altérer la précision du dosage) ; the flexible part of the endpiece comprises a local thinning zone forming an elastic articulation, whereby each of the first and second layers of the actuating portion is connected to a corresponding articulation zone (with a double effect hinge, the deformations of the flexible part can be repeated without altering the accuracy of the dosage);
- l'embout s'étend selon une direction longitudinale jusqu'à une extrémité libre et la portion d'actionnement est mobile radialement vers l'intérieur jusqu'à venir en appui contre la surface de butée ;  - The tip extends in a longitudinal direction to a free end and the actuating portion is movable radially inwards until abutting against the abutment surface;
- la portion d'actionnement est longitudinalement décalée par rapport à l'extrémité libre, la portion rigide s'étendant à distance de l'extrémité libre ; - The actuating portion is longitudinally offset from the free end, the rigid portion extending away from the free end;
- la portion rigide de l'ensemble de dosage est annulaire et forme une extrémité de l'embout, à l'opposé de l'extrémité libre ;  - The rigid portion of the dosing assembly is annular and forms an end of the nozzle, opposite the free end;
- le premier clapet est un clapet anti-retour empêchant l'air extérieur d'entrer dans le canal de distribution et permettant au produit de sortir de l'embout du côté de ladite extrémité libre (la dose ainsi formée est expulsée à l'extérieur du dispositif de façon contrôlée, typiquement grâce à la déformation d'une extrémité souple et élastique de l'embout) ;  the first valve is a non-return valve preventing the outside air from entering the dispensing channel and allowing the product to exit from the end-piece on the side of the free end (the dose thus formed is expelled to the outside) the device in a controlled manner, typically through the deformation of a flexible and resilient end of the tip);
- la chambre de dosage est alimentée en produit à partir du récipient par un canal d'alimentation qui s'étend depuis un passage associé à un deuxième clapet de type anti-retour, ce deuxième clapet permettant au produit d'alimenter la chambre de dosage (via le canal d'alimentation) lors du rappel élastique de la portion d'actionnement tout en s'opposant au passage du produit de l'intérieur de la chambre de dosage vers le récipient lorsque la portion d'actionnement est sollicitée ; - le deuxième clapet étant monté sur une base rigide distincte de ladite portion rigide, la portion rigide et la base étant reliées l'une à l'autre et rendues fixes par rapport au récipient ;  the metering chamber is supplied with product from the container by a supply channel which extends from a passage associated with a second check valve of the non-return type, this second valve allowing the product to supply the metering chamber; (via the feed channel) during the elastic return of the actuating portion while opposing the passage of the product from the inside of the metering chamber to the container when the actuating portion is requested; - The second valve being mounted on a rigid base separate from said rigid portion, the rigid portion and the base being connected to one another and made fixed with respect to the container;
- le récipient peut se composer de deux pièces rigides en matière plastique moulées séparément et assemblées de manière étanche, dont l'une forme un support de l'embout (l'élément de guidage pouvant faire partie de cette pièce) et l'autre partie comprend le logement d'un dispositif ou ensemble d'admission de l'air dans lequel sont prévus un filtre et une valve ; the container may consist of two rigid pieces of plastic material molded separately and assembled in a sealed manner, one of which forms a support for the end piece (the guide element may form part of this part) and the other part comprises the housing of a device or air intake assembly in which are provided a filter and a valve;
- l'embout est agencé autour d'un siège axial central formé d'une pièce et qui inclut l'élément de guidage, la chambre de dosage étant limitée angulairement sur la circonférence de l'élément de guidage, de sorte que la chambre de dosage présente une configuration non-annulaire et s'étend seulement du côté de la portion d'actionnement ;  the tip is arranged around a central axial seat formed in one piece and which includes the guide element, the metering chamber being limited angularly on the circumference of the guide element, so that the chamber of assay has a non-annular configuration and extends only to the side of the actuating portion;
- le canal de distribution est également limité angulairement et s'étend seulement du côté de la portion d'actionnement ;  - The distribution channel is also limited angularly and extends only to the side of the actuating portion;
- la portion d'actionnement définit un bouton poussoir, la première couche de la portion d'actionnement étant configurée pour recouvrir entièrement la surface de butée, de façon à vider complètement la chambre de dosage dans la position engagée de la portion d'actionnement (ceci permettant de s'assurer de la distribution d'une même dose prédéterminée du produit) ; the actuating portion defines a push button, the first layer of the actuating portion being configured to completely cover the abutment surface, so as to completely empty the dosing chamber into the engaged position of the actuating portion ( this makes it possible to ensure the distribution of the same predetermined dose of the product);
- l'embout s'étend de façon annulaire autour d'un axe longitudinal ; - The tip extends annularly about a longitudinal axis;
- la portion d'actionnement, définie dans une paroi latérale de l'embout, est agencée pour être poussée radialement vers l'axe longitudinal ;  - The actuating portion, defined in a side wall of the nozzle, is arranged to be pushed radially to the longitudinal axis;
- l'embout comprend une matière déformable du côté de l'extrémité libre pour former la partie flexible mais peut comporter un surplus d'épaisseur pour former la première couche de la portion d'actionnement, ce grâce à quoi la deuxième couche peut recouvrir seulement une partie de la première couche (le surplus d'épaisseur confère un caractère relativement indéformable à la première couche, de sorte qu'une partie minoritaire, annulaire ou toute autre forme peut être recouverte par la deuxième couche qui prolonge la portion rigide) ;  the tip comprises a deformable material on the side of the free end to form the flexible portion but may include a surplus of thickness to form the first layer of the actuating portion, whereby the second layer can cover only a part of the first layer (the excess thickness gives a relatively indeformable character to the first layer, so that a minority portion, annular or any other shape can be covered by the second layer which extends the rigid portion);
- la portion épaisse (avec le surplus d'épaisseur et donc relativement indéformable) de la partie déformable est articulée autour de parties minces et élastiques situées longitudinalement sur chacun de ses côtés ainsi qu'à chacune de ses extrémités axiales ; la forme intérieure de cette partie épaisse relativement indéformable épouse exactement la surface en vis-à-vis de la chambre de dosage lorsqu'elle est sollicitée par un appui latéral permettant ainsi de vider entièrement ladite chambre ;- The thick portion (with the surplus thickness and therefore relatively deformable) of the deformable portion is articulated around thin and elastic portions located longitudinally on each of its sides and at each of its axial ends; the inner shape of this relatively undeformable thick portion exactly hugs the surface opposite the metering chamber when it is urged by a lateral support thus making it possible to completely empty said chamber;
- le dispositif comprend un ensemble de renouvellement et filtration d'air permettant à l'air extérieur de rentrer dans le récipient après la distribution d'une dose du produit, l'ensemble de renouvellement et filtration d'air comprenant de préférence une valve montée sur la face interne du fond du récipient, à l'opposé de l'ensemble de dosage ; - le filtre prévu pour la filtration de l'air entrant forme une barrière pour les bactéries présentes dans l'air ambiant ; ce filtre peut se présenter sous diverses formes, surmoulé ou rendu solidaire du fond du récipient par tout moyen adapté ou se présenter préalablement monté dans une gaine en matière plastique rigide qui sera elle-même assemblée au fond du récipient par tout moyen approprié comme surmoulage, engagement en force ou soudage ; the device comprises an air renewal and filtration unit allowing outside air to enter the container after dispensing a dose of the product, the air renewal and filtration assembly preferably comprising a mounted valve; on the inner face of the bottom of the container, opposite the dosing assembly; the filter provided for the filtration of the incoming air forms a barrier for the bacteria present in the ambient air; this filter may be in various forms, molded or secured to the bottom of the container by any suitable means or be previously mounted in a rigid plastic sheath which will itself be assembled at the bottom of the container by any suitable means such as overmolding, engagement in force or welding;
- selon une option préférée, la valve de l'ensemble de renouvellement et filtration d'air présente un clapet élastiquement déformable qui coopère avec un siège situé dans le fond du récipient ; ce clapet est tourné vers l'intérieur du récipient, en étant maintenu par des moyens permettant de le retenir lorsqu'il est sollicité. Un tel clapet élastique peut efficacement empêcher toute sortie du produit vers l'extérieur du récipient via le passage d'entrée d'air, tout en permettant l'entrée de l'air extérieur en fléchissant élastiquement vers l'intérieur du récipient, sous l'effet de l'aspiration de l'air extérieur après l'expulsion d'une portion de produit au travers de l'ensemble de dosage.  according to a preferred option, the valve of the air renewal and filtration assembly has an elastically deformable valve which cooperates with a seat situated in the bottom of the container; this valve is turned towards the inside of the container, being held by means to retain it when it is stressed. Such an elastic valve can effectively prevent any exit of the product to the outside of the container via the air inlet passage, while allowing the entry of outside air by flexing elastically towards the interior of the container, under the effect of the suction of the outside air after the expulsion of a portion of product through the dosing unit.
D'autres caractéristiques et avantages de l'invention ressortent de la description donnée ci-dessous, en référence aux dessins annexés, qui représentent, à titre d'exemples non limitatifs, des formes de réalisation et de mise en œuvre de l'objet de l'invention. Sur ces dessins :  Other features and advantages of the invention emerge from the description given below, with reference to the appended drawings, which represent, by way of non-limiting examples, embodiments and implementations of the object of the invention. the invention. On these drawings:
- la figure 1 est une vue schématique en coupe axiale d'un dispositif conforme à l'invention, représentant un récipient réalisé en deux parties rigides assemblées l'une à l'autre de manière étanche, et avec lequel coopèrent un ensemble d'admission d'air comprenant un filtre et une valve élastique permettant à l'air d'entrer mais empêchant toute fuite de liquide par le passage d'entrée d'air ainsi qu'un ensemble de dosage comprenant une chambre de dosage localisée sur un secteur angulaire et une portion d'actionnement articulée susceptible d'être sollicitée par un appui latéral ;  - Figure 1 is a schematic axial sectional view of a device according to the invention, showing a container made of two rigid parts assembled to each other in a sealed manner, and with which cooperate an intake assembly of air comprising a filter and an elastic valve allowing air to enter but preventing any leakage of liquid through the air inlet passage and a dosing assembly comprising a dosing chamber located on an angular sector and an articulated actuating portion capable of being biased by a lateral support;
- la figure 2a représente une coupe transversale du dispositif représenté sur la figure 1 montrant la chambre de dosage localisée sur un secteur angulaire et la portion d'actionnement articulée, dans sa position de repos (lorsqu'elle n'est pas sollicitée) ;  - Figure 2a shows a cross section of the device shown in Figure 1 showing the metering chamber located on an angular sector and the actuating portion articulated in its rest position (when not requested);
- la figure 2b est une vue analogue à la figure 2a montrant le dispositif de dosage lorsque la portion d'actionnement est sollicitée et occupe sa position engagée contre un élément de guidage rigide;  - Figure 2b is a view similar to Figure 2a showing the metering device when the actuating portion is biased and occupies its engaged position against a rigid guide member;
- les figures 3a et 3b sont des vues respectives identiques à la figure 1 , la figure 3a représentant l'ensemble de dosage lorsqu'il est en position de repos, tandis que la figure 3b montre la position engagée ayant permis de distribuer la dose. FIGS. 3a and 3b are respective views identical to FIG. FIG. 3a showing the dosing assembly when in the rest position, while FIG. 3b showing the engaged position having made it possible to dispense the dose.
Sur les différentes figures, les mêmes références numériques désignent des éléments analogues des différents exemples de réalisation représentés et décrits.  In the various figures, the same reference numerals designate analogous elements of the various exemplary embodiments shown and described.
Tel que représenté sur la figure 1 , le dispositif de conditionnement et distribution comprend un récipient rigide 1 , muni d'un fond 7 et d'une paroi latérale 19 tubulaire. Un ensemble 20 d'admission de l'air est disposé dans ce fond 7. Ici, cet ensemble 20 d'admission de l'air est composé d'un filtre 8, d'une valve élastique 15' ou clapet similaire coopérant avec un siège 6 et d'un ou plusieurs orifices 9 et 18 pour le passage de l'air. Une pièce rigide de support S est assemblée de manière étanche au récipient 1 et un embout 3 pourvu d'une partie flexible 25 est rendu solidaire de la pièce rigide de support S.  As shown in Figure 1, the packaging and dispensing device comprises a rigid container 1, provided with a bottom 7 and a tubular side wall 19. An air intake assembly 20 is disposed in this bottom 7. Here, this air intake assembly 20 is composed of a filter 8, a resilient valve 15 'or similar valve co-operating with a seat 6 and one or more orifices 9 and 18 for the passage of air. A rigid support piece S is sealed to the container 1 and a tip 3 provided with a flexible portion 25 is secured to the rigid support part S.
Dans cet exemple non limitatif, le volume intérieur du récipient 1 est donc délimité par deux pièces rigides 1 et S, de préférence en matière plastique moulées séparément, qui sont assemblées de manière étanche (avec une étanchéité à l'air). Le ou les trous 18' permettent de faire communiquer ce volume intérieur, rempli de produit 1 1 , avec l'intérieur de l'embout 3.  In this nonlimiting example, the interior volume of the container 1 is therefore delimited by two rigid parts 1 and S, preferably of plastic molded separately, which are assembled in a sealed manner (with airtightness). The hole or holes 18 'make it possible to communicate this interior volume, filled with product 1 1, with the inside of the mouthpiece 3.
Comme bien visible sur la figure 1 , la pièce rigide de support S et l'embout 3 (qui a ici une forme générale tubulaire autour d'un axe longitudinal X) peuvent former un ensemble de dosage 2 agencé dans le prolongement du récipient 1 . Le ou les trous 18' forment des entrées de cet ensemble de dosage 2, tandis qu'une sortie est définie du côté d'une extrémité libre 24a de l'embout 3. L'ensemble de dosage 2 peut être plus étroit que le récipient 1 , en présentant un périmètre maximal plus petit que le périmètre de la paroi latérale 19.  As clearly visible in FIG. 1, the rigid support piece S and the end piece 3 (which here has a generally tubular shape about a longitudinal axis X) can form a metering assembly 2 arranged in the extension of the container 1. The hole or holes 18 'form inputs of this metering assembly 2, while an outlet is defined on the side of a free end 24a of the nozzle 3. The metering assembly 2 may be narrower than the container 1, having a maximum perimeter smaller than the perimeter of the side wall 19.
Une zone filetée 12 (visible sur les figures 3a-3b) est optionnellement prévue à proximité de la jonction entre le récipient 1 et une portion rigide 41 formant partie de l'embout 3, de préférence sur une surface externe de la portion rigide 41 . Ceci permet d'assembler un capuchon de protection (non montré) qui recouvre l'ensemble de dosage 2 et prolonge typiquement l'extrémité 19a de la paroi latérale 19.  A threaded zone 12 (visible in FIGS. 3a-3b) is optionally provided near the junction between the container 1 and a rigid portion 41 forming part of the nozzle 3, preferably on an external surface of the rigid portion 41. This makes it possible to assemble a protective cap (not shown) which covers the dosing assembly 2 and typically extends the end 19a of the side wall 19.
L'ensemble de dosage 2 peut comporter un élément de guidage 5 rigide, qui peut former une partie intégrante de la pièce rigide de support S. Dans cet exemple non limitatif, l'élément de guidage 5 forme une projection axiale, de préférence en forme de tige, depuis une base 21 raccordée à l'extrémité 19a de la paroi latérale 19. L'ensemble de dosage 2 comprend une portion d'actionnement 35 qui est formée ici latéralement dans l'embout 3 et qui présente une face interne 25a en contact avec du produit 1 1 . Cette portion d'actionnement 35 est mobile et adaptée pour comprimer le produit 1 1 présent dans une chambre 34 de dosage de produit, à l'intérieur de l'ensemble de dosage 2. The metering assembly 2 may comprise a rigid guide element 5, which may form an integral part of the rigid support part S. In this nonlimiting example, the guide element 5 forms an axial projection, preferably in the form of rod, from a base 21 connected to the end 19a of the side wall 19. The dosing assembly 2 comprises an actuating portion 35 which is formed here laterally in the nozzle 3 and which has an inner face 25a in contact with the product January 1. This actuating portion 35 is movable and adapted to compress the product 11 present in a product dosing chamber 34, inside the dosing assembly 2.
Sur la pièce rigide de support S, un clapet 15 peut être assemblé directement ou indirectement, de façon à s'opposer à tout retour vers l'intérieur du récipient 1 du produit 1 1 contenu dans la chambre 34 de dosage lorsque celle-ci est sollicitée par déplacement de la portion d'actionnement 35 (cette sollicitation étant typiquement une pression comme pour un bouton poussoir) mais permet le passage du liquide 1 1 de l'intérieur du récipient 1 vers la chambre 34 de dosage lorsque la sollicitation sur la portion d'actionnement 35 cesse et que la portion d'actionnement 35 revient élastiquement à sa position initiale de repos, créant ainsi une dépression dans la chambre 34 de dosage.  On the rigid support part S, a valve 15 can be assembled directly or indirectly, so as to oppose any return to the inside of the container 1 of the product 1 1 contained in the metering chamber 34 when this is biased by displacement of the actuating portion 35 (this bias being typically a pressure as for a push button) but allows the passage of the liquid 1 1 from the interior of the container 1 to the metering chamber 34 when the bias on the portion the actuating portion 35 ceases and the actuating portion 35 elastically returns to its initial rest position, thereby creating a vacuum in the metering chamber 34.
Les figures 2b et 3b montrent l'ensemble de dosage 2 lorsqu'une pression est exercée sur la portion d'actionnement 35 (relativement indéformable dans la zone d'appui du fait de son épaisseur) suivant la flèche A. La chambre 34 de dosage présente une géométrie en correspondance avec le contour intérieur de la portion d'actionnement 35, de sorte que la chambre 34 est entièrement vidée et la dose D de produit 1 1 expulsée du dispositif par l'ouverture formée dans la partie en matière souple de l'embout 3, autour de l'extrémité 5a de l'élément de guidage 5 ici configuré comme une tige. L'expulsion à l'extérieur du dispositif résulte de la circulation dans le tronçon terminal du canal de distribution 10, le long de la paroi mobile 24, élastique, qui s'écarte temporairement de l'extrémité 5a sous l'effet de la pression. L'expulsion de la dose D est réalisée ici parallèlement à l'axe longitudinal X, l'élément de guidage 5 étant en forme de tige pour définir cet axe.  FIGS. 2b and 3b show the dosing assembly 2 when a pressure is exerted on the actuating portion 35 (relatively indeformable in the bearing zone due to its thickness) according to arrow A. The dosing chamber 34 has a geometry in correspondence with the inner contour of the actuating portion 35, so that the chamber 34 is completely emptied and the dose D of product 1 1 expelled from the device through the opening formed in the flexible material portion of the 3, around the end 5a of the guide element 5 here configured as a rod. The expulsion outside the device results from the circulation in the terminal section of the distribution channel 10, along the elastic mobile wall 24, which temporarily moves away from the end 5a under the effect of the pressure . The expulsion of the dose D is performed here parallel to the longitudinal axis X, the guide member 5 being rod-shaped to define this axis.
La partie (30, 31 , 36, 36', 39, 39') en matière souple est rendue solidaire de la partie en matière rigide 41 par surmoulage ou par tout autre moyen comme soudure ou engagement en force. Cette partie en matière souple, qui s'étend jusqu'à l'extrémité libre 24a, est de préférence plus longue que large pour une bonne ergonomie de l'ensemble de dosage 2. Sa longueur est suffisante pour permettre un appui aisé par l'utilisateur sans pouvoir être gêné par la partie plus large (formant un épaulement) de la pièce rigide 41 . Dans la direction longitudinale, la longueur L de cette partie (30, 31 , 36, 36', 39, 39') est supérieure à au moins la moitié de la longueur de la pièce de support S. La couche 30 de la portion d'actionnement 35 peut présenter, dans cette direction longitudinale, une longueur L30 qui est inférieure à la moitié de la longueur L de la partie (30, 31 , 36, 36') en matière souple (ou plus généralement qui ne dépasse pas deux tiers de cette longueur L). De préférence, cette longueur L30 est supérieure au tiers de la longueur L. La longueur L30 peut correspondre à un diamètre lorsque la portion d'actionnement 35 a un périmètre sensiblement circulaire. The portion (30, 31, 36, 36 ', 39, 39') of flexible material is secured to the rigid material portion 41 by overmolding or by any other means such as welding or engagement force. This portion of flexible material, which extends to the free end 24a, is preferably longer than wide for good ergonomics of the dosing assembly 2. Its length is sufficient to allow easy support by the user without being able to be hindered by the wider part (forming a shoulder) of the rigid part 41. In the longitudinal direction, the length L of this portion (30, 31, 36, 36 ', 39, 39') is greater than at least half the length of the support piece S. The layer 30 of the portion 35 actuation may have, in this longitudinal direction, a length L30 which is less than half the length L of the portion (30, 31, 36, 36 ') of flexible material (or more generally not more than two thirds of this length L). Preferably, this length L30 is greater than one third of the length L. The length L30 may correspond to a diameter when the actuating portion 35 has a substantially circular perimeter.
Lorsque l'appui sur la face externe de la portion d'actionnement 35 cesse, la portion mobile 24 du clapet 4 formée à l'extrémité de l'embout 3 reprend sa position initiale contre l'extrémité 5a et interdit toute entrée d'air.  When the support on the outer face of the actuating portion 35 ceases, the movable portion 24 of the valve 4 formed at the end of the nozzle 3 returns to its initial position against the end 5a and prohibits any air intake .
Pour permettre la compression, la chambre 34 de dosage peut être délimitée par la face interne 25a, mobile, et trois surfaces fixes dont l'une correspond à une surface de butée 37 formée par l'élément de guidage 5. On comprend que l'utilisation d'une ou plusieurs surfaces de butée 37, à l'opposé de la face interne 25a, permet de limiter le déplacement de la portion d'actionnement 35.  To allow compression, the metering chamber 34 can be delimited by the inner face 25a, mobile, and three fixed surfaces, one of which corresponds to an abutment surface 37 formed by the guide member 5. It is understood that the use of one or more abutment surfaces 37, opposite the inner face 25a, makes it possible to limit the displacement of the actuating portion 35.
Comme bien visible sur les figures 2a-2b, les deux autres surfaces fixes sont ici formées par deux faces 38 et 38' de l'embout 3 (définissant ici deux bords opposés de la sous-partie fixe 31 ) qui longent l'élément de guidage 5 et s'étendent radialement vers l'extérieur depuis cet élément de guidage 5 jusqu'à des parties de charnière respectives 36, 36', élastiques et amincies. Ces parties de charnière 36, 36' peuvent entourer longitudinalement au moins en partie la surface externe actionnable de la couche 30 (définie ici par une partie épaisse). Lorsque la portion d'actionnement 35 est sollicitée, lesdites parties de charnière 36, 36' se déforment élastiquement pour venir épouser très précisément les faces 38 et 38'.  As is clearly visible in FIGS. 2a-2b, the two other fixed surfaces are here formed by two faces 38 and 38 'of the end piece 3 (here defining two opposite edges of the fixed sub-part 31) which run along the element of 5 and extend radially outwardly from this guide member 5 to respective hinge portions 36, 36 ', elastic and thinned. These hinge portions 36, 36 'may longitudinally surround at least a portion of the operable external surface of the layer 30 (herein defined as a thick portion). When the actuating portion 35 is biased, said hinge portions 36, 36 'elastically deform to come to marry very precisely the faces 38 and 38'.
En référence aux figures 1 et 3a-3b, des parties de charnière complémentaire 39 et 39' peuvent être prévues à chaque extrémité axiale de la partie épaisse formant la couche 30. La partie de charnière complémentaire 39' est ainsi située en position adjacente à la portion rigide 41 et peut former un prolongement des parties de charnière 36, 36'. La face interne 25a, la surface de butée 37 et les faces 38, 38' s'étendent longitudinalement depuis une extrémité d'entrée 34a de la chambre 34 vers une extrémité de sortie. L'extrémité d'entrée 34a communique avec le ou les trous 18' par un canal d'alimentation 10' situé entre une partie de la portion rigide 41 et l'élément de guidage 5. Cette extrémité d'entrée 34a est définie entre la partie de charnière complémentaire 39' et l'élément de guidage 5. L'extrémité de sortie est située du côté de l'extrémité libre 24a. On comprend qu'un canal d'alimentation 10' et un canal de distribution 10 sont ainsi formés, de part et d'autre de la chambre 34 de dosage, afin de permettre l'acheminement du produit 1 1 entre le ou les trous 18' et la portion mobile 24 du clapet 4 prévue pour définir une sortie de l'embout 3. With reference to FIGS. 1 and 3a-3b, complementary hinge portions 39 and 39 'may be provided at each axial end of the thick portion forming the layer 30. The complementary hinge portion 39' is thus located adjacent to the rigid portion 41 and may form an extension of the hinge portions 36, 36 '. The inner face 25a, the abutment surface 37 and the faces 38, 38 'extend longitudinally from an inlet end 34a of the chamber 34 to an outlet end. The inlet end 34a communicates with the hole or holes 18 'by a feed channel 10' situated between a portion of the rigid portion 41 and the guide element 5. This inlet end 34a is defined between the complementary hinge portion 39 'and guide member 5. The exit end is located on the free end 24a side. It is understood that a supply channel 10 'and a distribution channel 10 are thus formed, on the one hand, and other of the dosing chamber 34, in order to allow the product 11 to be conveyed between the hole or holes 18 'and the movable portion 24 of the valve 4 provided to define an outlet of the nozzle 3.
Lorsque le canal de distribution 10 présente une section non annulaire et s'étend seulement d'un côté le long de l'élément de guidage 5, l'embout 3 peut présenter une sous-partie fixe 31 réalisée dans la même matière et d'un bloc avec la partie flexible 25. Comme visible sur les figures 1 , 2a-2b et 3a-3c, cette sous-partie fixe 31 est accolée et de préférence fixement attachée (de préférence par surmoulage) à l'élément de guidage 5, dans le secteur angulaire complémentaire du secteur où s'étend la chambre 34 de dosage.  When the distribution channel 10 has a non-annular section and extends only on one side along the guide element 5, the endpiece 3 may have a fixed subpart 31 made of the same material and of a block with the flexible portion 25. As shown in Figures 1, 2a-2b and 3a-3c, this fixed sub-portion 31 is contiguous and preferably fixedly attached (preferably by overmoulding) to the guide member 5, in the complementary angular sector of the sector where the chamber 34 of dosing extends.
Les figures 2a-2b montre la chambre 34 de dosage en coupe transversale, avec une limitation de cette chambre 34 à une portion angulaire (le secteur angulaire étant par exemple inférieur ou égale à 120 °). La figure 2b illustre une option préférée avec un parfait contact de la face interne 25a contre la surface de butée 37 en en épousant sa forme et également des parties de charnière 36 et 36' contre les bords latéraux ou faces 38 et 38' du fait de l'allongement élastique de ces parties de charnière 36 et 36'. L'allongement des parties de charnière 36, 36' dans la direction ici radiale (direction de la force occasionnée par l'appui selon la flèche A), est complètement réversible du fait de leur élasticité couplée à l'action de rappel de la pièce incluant la deuxième couche rigide 40 articulée à la portion rigide 41 . Ainsi, on ne modifie pas, au cours du temps et des utilisations, la position de repos de la portion d'actionnement 35, et le volume de la chambre 34 de dosage reste identique.  Figures 2a-2b shows the metering chamber 34 in cross section, with a limitation of this chamber 34 to an angular portion (the angular sector being for example less than or equal to 120 °). FIG. 2b illustrates a preferred option with perfect contact of the inner face 25a against the abutment surface 37 by conforming to its shape and also hinge parts 36 and 36 'against the side edges or faces 38 and 38' due to the elastic elongation of these hinge portions 36 and 36 '. The elongation of the hinge parts 36, 36 'in the direction here radial (direction of the force caused by the support according to arrow A), is completely reversible due to their elasticity coupled to the return action of the part including the second rigid layer 40 articulated to the rigid portion 41. Thus, it does not change over time and uses, the rest position of the actuating portion 35, and the volume of the dosing chamber 34 remains the same.
En référence à présent aux figure 1 et 3a-3b, la partie flexible 25 de l'embout 3, par exemple réalisée en silicone, matière souple similaire ou élastomère thermoplastique, prolonge axialement la portion rigide 41 , ici de forme annulaire et présente une partie fine et élastique ou clapet 4 analogue coopérant avec l'extrémité 5a de l'élément de guidage 5 pour la distribution d'une dose D de produit 1 1 lorsque le dispositif est sollicité. La portion d'actionnement 35 comprend une couche interne ou première couche 30 formée dans la partie flexible 25, entre la portion rigide 41 et le clapet 4.  Referring now to FIGS. 1 and 3a-3b, the flexible portion 25 of the nozzle 3, for example made of silicone, a similar flexible material or thermoplastic elastomer, extends axially the rigid portion 41, here of annular shape and has a portion thin and resilient or analog valve 4 cooperating with the end 5a of the guide member 5 for dispensing a dose D of product 1 1 when the device is biased. The actuating portion 35 comprises an inner layer or first layer 30 formed in the flexible portion 25, between the rigid portion 41 and the valve 4.
La portion rigide 41 est, à titre d'exemple non limitatif, formé d'un matériau rigide (en pratique difficilement déformable) comme un plastique rigide à base de polyoléfine, tel qu'un polyéthylène ou polypropylène. Elle s'étend ici de façon annulaire autour de l'axe longitudinal X.  The rigid portion 41 is, by way of non-limiting example, formed of a rigid material (in practice difficult to deform) such as a rigid plastic based on polyolefin, such as polyethylene or polypropylene. It extends here annularly around the longitudinal axis X.
Dans la forme de réalisation des figures 1 et 3a-3b, la pièce formant la portion rigide 41 est prolongée localement par une projection axiale qui forme une couche externe ou deuxième couche 40 de la portion d'actionnement 35. Dans cet exemple, la deuxième couche 40 n'est pas rapportée sur la première couche 30 de la portion d'actionnement 35 mais fait partie de la portion rigide 41 . La superposition des deux couches 30, 40 peut permettre d'accroître l'épaisseur de la portion d'actionnement 35 (partie épaisse comparée aux parties de charnière adjacentes 36, 36', 39, 39'). In the embodiment of FIGS. 1 and 3a-3b, the piece forming the rigid portion 41 is extended locally by an axial projection which forms an outer layer or second layer 40 of the actuating portion 35. In this example, the second layer 40 is not reported on the first layer 30 of the portion of actuation 35 but is part of the rigid portion 41. The superposition of the two layers 30, 40 can increase the thickness of the actuating portion 35 (thick portion compared to adjacent hinge portions 36, 36 ', 39, 39').
Lorsque l'utilisateur appuie sur la portion d'actionnement 35, une flexion est obtenue :  When the user presses on the actuating portion 35, bending is obtained:
- du fait du fléchissement à l'endroit d'une partie rendue flexible 42 faisant office de charnière (cette partie étant plus mince et/ou pourvue d'encoches pour réduire localement la raideur du matériau rigide), et - Due to the deflection at the place of a flexible made part 42 acting as hinge (this part being thinner and / or provided with notches to locally reduce the stiffness of the rigid material), and
- du fait de l'élasticité des parties de charnière longitudinales adjacentes 36, 36' formées en périphérie de la première couche 30 de la portion d'actionnement 35 ainsi que des parties de charnière 39, 39' situées à chaque extrémité axiale de cette portion d'actionnement 35.  - Due to the elasticity of the adjacent longitudinal hinge portions 36, 36 'formed at the periphery of the first layer 30 of the actuating portion 35 as well as hinge portions 39, 39' located at each axial end of this portion operating mechanism 35.
La portion d'actionnement 35 s'enfonce alors, ici sous l'action d'un appui latéral suivant la flèche A (visible sur les figures 2b et 3b). Du fait du déplacement vers l'intérieur de la portion d'actionnement 35, le produit fluide (liquide ou un produit à faible viscosité ou une substance similaire) présent dans la chambre 34 de dosage est comprimé. En raison de ce mouvement vers l'intérieur, la partie mobile du clapet anti-retour 15 est poussée contre la base 21 afin de fermer de façon très efficace le passage d'entrée ou trou 18' qui communique avec l'intérieur du récipient 1 . Cela permet au produit 1 1 de sortir du côté de l'extrémité libre 24a par déformation de la partie mobile 24 ici flexible (ce qui provoque l'ouverture du clapet 4), du fait de la poussée du produit sous pression qui était enfermé dans la chambre 34 de dosage.  The actuating portion 35 then sinks, here under the action of a lateral support along the arrow A (visible in Figures 2b and 3b). Due to the inward displacement of the actuating portion 35, the fluid product (liquid or a low viscosity product or similar substance) present in the metering chamber 34 is compressed. Due to this inward movement, the movable portion of the nonreturn valve 15 is pushed against the base 21 to very effectively close the inlet passage or hole 18 'which communicates with the interior of the container 1 . This allows the product 1 1 to leave the side of the free end 24a by deformation of the movable portion 24 here flexible (which causes the opening of the valve 4), because of the thrust of the pressurized product which was enclosed in the chamber 34 of dosage.
Comme visible sur les figures 2b et 3b, lorsque la chambre 34 de dosage est comprimée, la face interne 25a est déplacée pour correspondre exactement avec le siège, ici convexe, formé par la surface de butée 37. Plus généralement, la forme interne de la portion d'actionnement 35 peut correspondre précisément à la géométrie de la chambre 34 de dosage lorsque l'ensemble de dosage 2 est sollicité.  As can be seen in FIGS. 2b and 3b, when the metering chamber 34 is compressed, the inner face 25a is displaced to correspond exactly with the seat, here convex, formed by the abutment surface 37. More generally, the internal shape of the Actuating portion 35 may correspond precisely to the geometry of the dosing chamber 34 when the dosing assembly 2 is biased.
L'élasticité de la partie rendue flexible 42 participe avec les parties de charnière 36, 36', 39 et 39' au retour de la portion d'actionnement 35 à sa position de repos initiale. La deuxième couche 40, rigide, permet de renforcer la portion d'actionnement 35. En conséquence, le produit dans la chambre 34 de dosage peut être efficacement comprimé et expulsé, de la même façon, après une utilisation répétée de la portion d'actionnement 35 de l'embout 3. The elasticity of the flexible rendered portion 42 participates with the hinge portions 36, 36 ', 39 and 39' upon return of the actuating portion 35 to its initial rest position. The second rigid layer 40 makes it possible to reinforce the actuating portion 35. As a result, the product in the dosing chamber 34 can be effectively compressed and expelled, in the same way, after repeated use of the actuating portion 35 of the tip 3.
Dans un mode de réalisation préféré, la seconde couche 40 est formée par une projection axiale qui s'étend depuis un épaulement, ici annulaire, de la portion rigide 41 . La seconde couche 40 peut s'opposer à un contact direct d'un doigt de l'utilisateur avec la première couche 30. Pour cela, la seconde couche 40 peut présenter une surface au moins aussi étendue que celle de la première couche 30 ou former des reliefs laissant des espaces insuffisamment grands pour permettre un appui direct sur la première couche 30.  In a preferred embodiment, the second layer 40 is formed by an axial projection which extends from a shoulder, here annular, of the rigid portion 41. The second layer 40 can oppose direct contact of a finger of the user with the first layer 30. For this, the second layer 40 may have a surface at least as large as that of the first layer 30 or form reliefs leaving spaces insufficiently large to allow direct support on the first layer 30.
On comprend qu'il est avantageux de cumuler, pour le rappel vers la position de repos, l'effet de retour élastique des parties de charnière 36, 36', 39 et 39' ici localement plus fines que la première couche 30, et le retour de flexion de l'articulation formée par la partie rendue flexible 42. Pour cela, on peut relier fermement la première couche 30 à la deuxième couche 40, par surmoulage, thermo-soudure, collage, autre moyen d'attache analogue ou même engagement mécanique de type encliquetage ou utilisation d'un clip.  It is understood that it is advantageous to accumulate, for the return to the rest position, the elastic return effect of the hinge parts 36, 36 ', 39 and 39' here locally finer than the first layer 30, and the back flexion of the joint formed by the flexible portion 42. For this, one can firmly connect the first layer 30 to the second layer 40, by overmoulding, thermo-welding, gluing, other similar attachment means or even commitment mechanical snap type or use of a clip.
En revenant à sa position de repos, la portion d'actionnement 35 génère une dépression à l'intérieur de la chambre 34 de dosage. Cette dépression entraine l'ouverture du clapet 15 qui fléchit et se décolle du support S ce qui permet le passage du produit 1 1 liquide au travers des trous 18' vers l'intérieur de la chambre 34 de dosage qui se remplit. Le passage du liquide 1 1 vers la chambre 34 entraine à son tour une dépression dans l'espace 33 du récipient 1 qui ne contient pas de produit 1 1 , ce qui a pour effet de soulever le clapet 15' de son siège 6 et de permettre ainsi l'entrée de l'air de l'extérieur vers l'intérieur du récipient 1 au travers de l'ensemble 20 d'admission d'air (par exemple via les trous 9, le filtre 8 puis les trous 18). Le filtre 8 ayant retenu les bactéries extérieures, l'air entrant dans le récipient 1 est stérile et le produit 1 1 n'est pas contaminé. Cette entrée d'air cesse lorsque la chambre 34 de dosage est complètement remplie et lorsque l'équilibre des pressions entre l'espace 33 intérieur et l'extérieur du récipient 1 est atteint. Le dispositif est ainsi prêt à être à nouveau sollicité et à distribuer une dose identique.  Returning to its rest position, the actuating portion 35 generates a depression inside the metering chamber 34. This depression causes the opening of the valve 15 which bends and comes off the support S which allows the passage of the liquid product 1 1 through the holes 18 'to the inside of the metering chamber 34 which fills. The passage of the liquid 1 1 to the chamber 34 in turn causes a vacuum in the space 33 of the container 1 which does not contain product 1 1, which has the effect of lifting the valve 15 'from its seat 6 and thus allow the entry of air from the outside to the inside of the container 1 through the air intake assembly 20 (for example via the holes 9, the filter 8 and the holes 18). The filter 8 having retained the external bacteria, the air entering the container 1 is sterile and the product 11 is not contaminated. This air intake ceases when the metering chamber 34 is completely filled and when the pressure balance between the inner space 33 and the outside of the container 1 is reached. The device is thus ready to be used again and to distribute an identical dose.
On comprend que la zone d'accolement entre la première couche 30 et la deuxième couche 40 peut être obtenue de préférence par une solidarisation par tout moyen de fixation de matière à l'interface entre les deux couches 30 et 40. Dans une variante, la projection rigide formant la deuxième couche 40 est seulement raccordée à la portion rigide 41 (et formée d'un bloc avec celle-ci) et l'accolement contre la première couche 30 résulte seulement de la connexion entre la portion rigide 41 et le récipient 1 . On peut aussi réaliser la portion rigide 41 différemment, par exemple de façon non annulaire et rapportée sur une partie fixe de l'embout 3 (association par collage, surmoulage ou soudure, ou par tout autre moyen). Dans ce cas, on conserve la partie 42 rendue flexible qui est préférentiellement formée dans une zone intermédiaire d'une pièce rigide monobloc. It will be understood that the zone of joining between the first layer 30 and the second layer 40 can preferably be obtained by being secured by any means for fixing material at the interface between the two layers 30 and 40. In a variant, the rigid projection forming the second layer 40 is only connected to the rigid portion 41 (and formed of a block with it) and the connection against the first layer 30 results only from the connection between the rigid portion 41 and the container 1. It is also possible to make the rigid portion 41 differently, for example in a non-annular manner and attached to a fixed part of the end piece 3 (association by gluing, over-molding or welding, or by any other means). In this case, the portion 42 made flexible is retained which is preferably formed in an intermediate zone of a rigid piece in one piece.
Dans une autre variante, la deuxième couche 40 peut être réalisée sous la forme d'un bouton poussoir, relié ou non à la première couche 30 en étant accolée sur l'extérieur de cette dernière. La deuxième couche 40, rigide, est alors en appui sur un ressort ou élément de rappel élastique équivalent, par exemple assemblé dans une cavité de la portion rigide 41 (option sans articulation de la deuxième couche 40). Un ou des organes de butée sont utilisés dans la liaison entre la deuxième couche 40 et la portion rigide, sachant que cette liaison est configurée pour rendre la deuxième couche 40 mobile vers l'intérieur et apte à permettre de vider complètement la chambre 34 de dosage.  In another variant, the second layer 40 may be in the form of a push button, connected or not to the first layer 30 being contiguous on the outside thereof. The second layer 40, rigid, is then resting on a spring or equivalent elastic return member, for example assembled in a cavity of the rigid portion 41 (non-hinge option of the second layer 40). One or more abutment members are used in the connection between the second layer 40 and the rigid portion, knowing that this connection is configured to make the second layer 40 movable inwards and able to completely empty the chamber 34 .
Le dispositif peut être compact et est bien adapté pour distribuer des mêmes doses précises de produit liquide ou légèrement visqueux. L'appareil est conçu particulièrement pour des applications pharmaceutiques, cosmétiques et ophtalmologiques.  The device can be compact and is well suited for dispensing the same precise doses of liquid or slightly viscous product. The device is especially designed for pharmaceutical, cosmetic and ophthalmic applications.
II doit être évident pour les personnes versées dans l'art que la présente invention permet des modes de réalisation sous de nombreuses autres formes spécifiques sans l'éloigner du domaine d'application de l'invention comme revendiqué.  It should be obvious to those skilled in the art that the present invention allows embodiments in many other specific forms without departing from the scope of the invention as claimed.
Ainsi, bien que la portion d'actionnement 35 est illustrée comme étant mobile selon une direction perpendiculaire à l'axe longitudinal X, on comprend que la géométrie de l'embout 3 peut être modifiée pour que la portion d'actionnement 35, formée avec les deux couches 30, 40, soit mobile dans une direction à composante axiale non nulle ou éventuellement selon une direction essentiellement axiale (dans ce dernier cas, la portion d'actionnement 35 s'étend radialement et est par exemple mobile vers une position engagée qui correspond à un appui contre la portion formant base 21 ). La chambre 34 de dosage peut alors être adjacente au clapet 15. Dans une telle variante, la géométrie interne de la portion d'actionnement 35 correspond, de préférence, exactement à celle de la chambre 34 de dosage.  Thus, although the actuating portion 35 is illustrated to be movable in a direction perpendicular to the longitudinal axis X, it is understood that the geometry of the tip 3 can be modified so that the actuating portion 35 formed with the two layers 30, 40, being mobile in a non-zero axial component direction or possibly in a substantially axial direction (in the latter case, the actuating portion 35 extends radially and is for example movable to an engaged position which corresponds to a support against the base portion 21). The metering chamber 34 can then be adjacent to the valve 15. In such a variant, the internal geometry of the actuating portion 35 preferably corresponds exactly to that of the metering chamber 34.

Claims

REVENDICATIONS
1 . Dispositif de conditionnement et distribution d'un produit, généralement fluide, comprenant un récipient (1 ) rigide destiné à contenir le produit (1 1 ) à conditionner et distribuer, et un ensemble de dosage (2) adapté pour distribuer une dose prédéterminée (D) du produit, l'ensemble de dosage (2) comprenant : 1. Device for packaging and dispensing a product, generally fluid, comprising a rigid container (1) intended to contain the product (1 1) to be conditioned and dispensed, and a dosing assembly (2) adapted to dispense a predetermined dose (D). ) of the product, the dosing unit (2) comprising:
- un embout (3) comportant une portion d'actionnement (35) mobile entre une position de repos et une position engagée, et adaptée pour actionner la distribution du produit ;  - A tip (3) having an actuating portion (35) movable between a rest position and an engaged position, and adapted to actuate the distribution of the product;
- un élément de guidage (5) rigide, de préférence en forme de tige, qui présente au moins une surface de butée (37) adaptée pour limiter le déplacement de la portion d'actionnement (35) et définir ladite position engagée ;  - A rigid guide member (5), preferably rod-shaped, which has at least one abutment surface (37) adapted to limit the displacement of the actuating portion (35) and define said engaged position;
- un canal de distribution (10) situé le long de l'élément de guidage (5) ;  - a distribution channel (10) located along the guide member (5);
- un premier clapet (4) permettant au produit présent dans le canal de distribution (10) de sortir de l'embout (3) quand une pression est appliquée sur la portion d'actionnement (35) ;  a first valve (4) allowing the product present in the distribution channel (10) to exit the nozzle (3) when pressure is applied to the actuating portion (35);
- une chambre (34) de dosage de produit, qui communique avec le canal de distribution (10) et un canal d'alimentation (10'), et est délimitée entre l'élément de guidage (5) et la portion d'actionnement (35) ;  - a product dosing chamber (34), which communicates with the dispensing channel (10) and a feed channel (10 '), and is delimited between the guide element (5) and the actuating portion (35);
caractérisé en ce que la portion d'actionnement (35) comporte une première couche (30) formée dans une partie flexible de l'embout (3), et une deuxième couche (40) de renforcement qui recouvre extérieurement la première couche, et en ce que l'ensemble de dosage (2) comprend une portion rigide (41 ) à laquelle est reliée la deuxième couche (40) de la portion d'actionnement (35), de façon articulée et/ou avec une action de rappel vers l'extérieur de ladite deuxième couche (40) lorsque la pression appliquée sur la portion d'actionnement (35) cesse.  characterized in that the actuating portion (35) has a first layer (30) formed in a flexible portion of the tip (3), and a second reinforcing layer (40) which externally covers the first layer, and the dosing unit (2) comprises a rigid portion (41) to which the second layer (40) of the actuating portion (35) is connected in an articulated manner and / or with a return action to the outside said second layer (40) when the pressure applied to the actuating portion (35) ceases.
2. Dispositif suivant la revendication 1 , dans lequel la première couche (30) est réalisée par un premier matériau élastique et la deuxième couche (40) comprend un second matériau plus rigide que le premier matériau.  2. Device according to claim 1, wherein the first layer (30) is made by a first elastic material and the second layer (40) comprises a second material more rigid than the first material.
3. Dispositif suivant la revendication 1 ou 2, dans lequel la deuxième couche (40) et la portion rigide (41 ) font partie d'une même pièce obtenue par injection de matière plastique. 3. Device according to claim 1 or 2, wherein the second layer (40) and the rigid portion (41) are part of the same part obtained by plastic injection.
4. Dispositif selon l'une quelconque des revendications 1 à 3, dans lequel la partie flexible (25) de l'embout (3) comprend une zone d'amincissement local formant une articulation élastique, ce grâce à quoi chacune desdites première et deuxième couches (30, 40) de la portion d'actionnement (35) est raccordée à une zone d'articulation correspondante (36, 36', 39, 39', 42). 4. Device according to any one of claims 1 to 3, wherein the flexible portion (25) of the tip (3) comprises a local thinning zone forming an elastic joint, whereby each of said first and second layers (30, 40) of the actuating portion (35) is connected to a corresponding hinge area (36, 36 ', 39, 39', 42).
5. Dispositif selon l'une quelconque des revendications 1 à 4, dans lequel l'embout (3) s'étend selon une direction longitudinale jusqu'à une extrémité libre (24a) et la portion d'actionnement (35) est mobile radialement vers l'intérieur jusqu'à venir en appui contre la surface de butée (37), la portion d'actionnement (35) étant longitudinalement décalée par rapport à l'extrémité libre (24a), la portion rigide (41 ) s'étendant à distance de l'extrémité libre (24a).  5. Device according to any one of claims 1 to 4, wherein the nozzle (3) extends in a longitudinal direction to a free end (24a) and the actuating portion (35) is radially movable. inwards until abutting against the abutment surface (37), the actuating portion (35) being longitudinally offset from the free end (24a), the rigid portion (41) extending away from the free end (24a).
6. Dispositif suivant la revendication 5, dans lequel le premier clapet (4) est un clapet anti-retour empêchant l'air extérieur d'entrer dans le canal de distribution (10) et permettant au produit de sortir de l'embout (3) du côté de ladite extrémité libre (24a).  6. Device according to claim 5, wherein the first valve (4) is a non-return valve preventing outside air to enter the distribution channel (10) and allowing the product to exit the nozzle (3). ) on the side of said free end (24a).
7. Dispositif selon l'une quelconque des revendications 1 à 6, dans lequel la chambre (34) de dosage est alimentée en produit à partir du récipient (1 ) par le canal d'alimentation (10'), un passage (18') étant associé à un deuxième clapet (15) de type anti-retour pour s'opposer au retour du produit (1 1 ) de la chambre de dosage vers l'intérieur du récipient lorsque le dispositif est sollicité, le deuxième clapet (15) étant monté sur une base (21 ) rigide distincte de ladite portion rigide (41 ), la portion rigide (41 ) et la base (21 ) étant reliées l'une à l'autre et rendues fixes par rapport au récipient (1 ).  7. Device according to any one of claims 1 to 6, wherein the metering chamber (34) is fed product from the container (1) by the feed channel (10 '), a passage (18'). ) being associated with a second valve (15) of non-return type to oppose the return of the product (1 1) of the metering chamber to the interior of the container when the device is loaded, the second valve (15) being mounted on a rigid base (21) separate from said rigid portion (41), the rigid portion (41) and the base (21) being connected to each other and made fixed relative to the container (1).
8. Dispositif selon l'une quelconque des revendications 1 à 7, dans lequel l'embout (3) est agencé autour d'un siège axial central formé d'une pièce et qui inclut l'élément de guidage (5), la chambre (34) de dosage étant limitée angulairement sur la circonférence de l'élément de guidage (5), de sorte que la chambre (34) de dosage présente une configuration non-annulaire et s'étend seulement du côté de la portion d'actionnement (35).  8. Device according to any one of claims 1 to 7, wherein the tip (3) is arranged around a central axial seat formed of a part and which includes the guide element (5), the chamber (34) being angularly limited on the circumference of the guide element (5), so that the metering chamber (34) has a non-annular configuration and extends only on the side of the actuating portion (35).
9. Dispositif selon l'une quelconque des revendications 1 à 8, dans lequel la portion d'actionnement (35) définit un bouton poussoir, la première couche (30) de la portion d'actionnement étant configurée pour recouvrir entièrement la surface de butée (37) dans la position engagée, de façon à vider complètement la chambre (34) de dosage dans la position engagée de la portion d'actionnement. 9. Device according to any one of claims 1 to 8, wherein the actuating portion (35) defines a push button, the first layer (30) of the actuating portion being configured to completely cover the abutment surface (37) in the engaged position, so as to completely empty the metering chamber (34) into the engaged position of the actuating portion.
10. Dispositif selon la revendication 9, dans lequel l'embout (3) s'étend de façon annulaire autour d'un axe longitudinal (X) et la portion d'actionnement (35), définie dans une paroi latérale de l'embout (3), est agencée pour être poussée radialement vers l'axe longitudinal (X). 10. Device according to claim 9, wherein the nozzle (3) extends annularly about a longitudinal axis (X) and the actuating portion (35), defined in a side wall of the nozzle. (3), is arranged to be pushed radially towards the longitudinal axis (X).
1 1 . Dispositif selon l'une quelconque des revendications 1 à 10, comprenant un ensemble de renouvellement et filtration d'air permettant à l'air extérieur de rentrer dans le récipient (1 ) après la distribution d'une dose du produit (1 1 ), l'ensemble de renouvellement et filtration d'air comprenant de préférence une valve (15') montée sur une face interne du récipient (1 ), à l'opposé de l'ensemble de dosage (2).  1 1. Device according to any one of claims 1 to 10, comprising a set of renewal and air filtration allowing the outside air to enter the container (1) after dispensing a dose of the product (1 1), the air renewal and filtration assembly preferably comprising a valve (15 ') mounted on an inner face of the container (1), opposite the dosing assembly (2).
EP15710545.3A 2014-02-20 2015-02-11 Device for packaging and dispensing a product having a dosing nozzle Active EP3107821B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL15710545T PL3107821T3 (en) 2014-02-20 2015-02-11 Device for packaging and dispensing a product having a dosing nozzle

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US14/185,139 US9004317B2 (en) 2004-07-20 2014-02-20 Product packaging and dispensing device comprising a sterile filter bottle which is equipped with a nozzle
FR1452900A FR3019529B1 (en) 2014-04-02 2014-04-02 DEVICE FOR PACKAGING AND DISPENSING A PRODUCT WITH A DOSER BIT
PCT/FR2015/050330 WO2015124844A1 (en) 2014-02-20 2015-02-11 Device for packaging and dispensing a product having a dosing nozzle

Publications (2)

Publication Number Publication Date
EP3107821A1 true EP3107821A1 (en) 2016-12-28
EP3107821B1 EP3107821B1 (en) 2018-01-24

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Application Number Title Priority Date Filing Date
EP15710545.3A Active EP3107821B1 (en) 2014-02-20 2015-02-11 Device for packaging and dispensing a product having a dosing nozzle

Country Status (12)

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EP (1) EP3107821B1 (en)
JP (2) JP6860349B2 (en)
BR (1) BR112016019273B1 (en)
CA (1) CA2938801C (en)
DK (1) DK3107821T3 (en)
ES (1) ES2663613T3 (en)
HU (1) HUE036660T2 (en)
NO (1) NO3107821T3 (en)
PL (1) PL3107821T3 (en)
PT (1) PT3107821T (en)
RU (1) RU2664345C2 (en)
WO (1) WO2015124844A1 (en)

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Publication number Priority date Publication date Assignee Title
EP3320865B1 (en) 2016-11-09 2020-08-19 Medaxis Ag Handpiece for spraying a fluidjet and insert piece for this hand piece
FR3080841B1 (en) * 2018-05-07 2020-04-10 Jacques Pozzi PACKAGING AND DISPENSING DEVICE OF A PRODUCT WITH BOTTLE AND PRESSURIZING CAP
GB201809627D0 (en) 2018-06-12 2018-07-25 Biorelevant Com Ltd Methods for preparing buffer solutions suitable for in vitro drug dissolution testing, drug solubility testing and/or drug profiling
FR3082835B1 (en) * 2018-06-21 2020-05-22 Sivel PACKAGING AND DISPENSING DEVICE OF A PRODUCT WITH BOTTLE AND END CAP PROVIDED WITH ANNULAR JUNCLES
FR3102465B1 (en) * 2019-10-26 2022-06-03 Sivel PACKAGING AND DISTRIBUTION DEVICE FOR A PRODUCT WITH BOTTLE AND PRIMING CAP
EP4054951B1 (en) 2019-11-06 2023-10-18 Horus Pharma Dispensing device and assembly for packaging and dispensing product
RU210059U1 (en) * 2021-12-21 2022-03-25 Евгений Александрович Непокульчицкий Liquid dosing device with reusable pump
FR3134568B1 (en) * 2022-04-19 2024-03-22 Promens Sa AIRLESS TYPE OPHTHALMIC CONTAINER

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Publication number Priority date Publication date Assignee Title
JPH0223363U (en) * 1988-07-28 1990-02-15
JP4463094B2 (en) * 2003-12-26 2010-05-12 参天製薬株式会社 Liquid container with bottom filter
ATE486791T1 (en) * 2005-09-20 2010-11-15 0736413 B C Ltd DEVICE FOR DISPENSING PRESSURIZED STERILE LIQUID
FR2892397B1 (en) * 2005-10-26 2010-02-19 Sivel DEVICE FOR PACKAGING AND DISPENSING A PRODUCT WITH A BOTTLE PROVIDED WITH A FLEXIBLE POCKET AND A TIP
JP5472778B2 (en) * 2008-07-14 2014-04-16 隆 片山 Container with squeezing nozzle and lever
FR2941682B1 (en) 2009-02-03 2016-03-11 Sivel DEVICE FOR PACKAGING AND DISPENSING A CLEAN OR STERILE PRODUCT WITH SELF CLEANING TIP
JP5783018B2 (en) * 2011-12-05 2015-09-24 トヨタ自動車株式会社 Oil pan
FR2986703B1 (en) * 2012-02-09 2015-01-16 Horus Pharma DEVICE FOR PACKAGING AND DISPENSING A PRODUCT FOR OPHTHALMIC USE

Also Published As

Publication number Publication date
JP2020045173A (en) 2020-03-26
JP6860349B2 (en) 2021-04-14
ES2663613T3 (en) 2018-04-16
WO2015124844A1 (en) 2015-08-27
CA2938801A1 (en) 2015-08-27
RU2664345C2 (en) 2018-08-16
HUE036660T2 (en) 2018-07-30
JP2017512160A (en) 2017-05-18
PL3107821T3 (en) 2018-07-31
EP3107821B1 (en) 2018-01-24
CA2938801C (en) 2020-09-15
PT3107821T (en) 2018-04-04
RU2016137420A (en) 2018-03-21
DK3107821T3 (en) 2018-04-16
BR112016019273B1 (en) 2021-05-04
NO3107821T3 (en) 2018-06-23
RU2016137420A3 (en) 2018-07-16

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