WO2024022605A1

WO2024022605A1 - Refill for fluid product receptacle, and associated receptacle

Info

Publication number: WO2024022605A1
Application number: PCT/EP2022/087460
Authority: WO
Inventors: Franck Seguin; Olivier CHAPLIER
Original assignee: Albea Services
Priority date: 2022-07-29
Filing date: 2022-12-22
Publication date: 2024-02-01
Also published as: FR3138417A1

Abstract

The invention relates to a refill (16) for a fluid product receptacle, said refill being configured to removably receive an actuating head (14). Translation of at least part of said actuating head allows suction and dispensing of the fluid product. The refill (16) comprises: - a dispensing head (15) comprising a pipette (42) configured to allow storage of the fluid product with a view to being dispensed; and - a reservoir (18) configured to contain the fluid product and to receive the pipette (42), the dispensing head providing sealing of the reservoir when the pipette is accommodated in said reservoir.

Description

Refill for fluid product receptacle and associated receptacle

Technical field of the invention

The invention relates to a refill for a fluid product receptacle configured to removably receive an actuating head allowing suction and distribution of the fluid product.

The invention also relates to a receptacle for a fluid product comprising such a refill.

The fluid product is of the lotion, gel, perfume, serum or cream type for example, used for cosmetic purposes or for pharmaceutical treatments.

Technical background

There are distribution systems designed to equip receptacles and allow precise sampling and distribution of the product with low dosage. These systems are conventionally called droppers.

These systems include a flexible bulb allowing the aspiration and/or distribution of the product into a pipette housed in a reservoir containing the product.

A first pressure allows the suction of the product and a second pressure allows the distribution of the product.

An adjustment of the dose to be taken and distributed can be obtained by applying more or less pressure on the flexible bulb. However, this does not allow precise adjustment and can lead to possible waste of the product, or even contamination of it by releasing excess product into the tank, or even an overdose.

Furthermore, these systems are generally adapted to single-use receptacles and not to refillable receptacles, that is to say designed to allow a change of the product, in particular but not exclusively after complete use thereof, for example. via a refill that can be changed freely.

Interchangeability allows certain parts to be retained, such as a cover, an actuation mechanism, a base, a decorative casing, a distribution head, an actuation head, a distribution body, etc. which is particularly advantageous when these pieces are made of precious materials and/or decorated, or are complex pieces.

Such refills must be simple in design and designed to limit contamination of the new product with the old one. In other words, the preserved, i.e. reusable, parts must not be in contact with and be soiled by the product. Only exchangeable parts can be exchanged.

There is therefore a need for a solution making it possible to resolve at least part of the disadvantages of the prior art while retaining a system which is advantageously simple and economical to manufacture.

Thus, the invention concerns a refill for a fluid product receptacle configured to removably receive an actuating head of which a translation of at least one part allows suction and distribution of the fluid product, the refill comprising:

- a dispensing body comprising a pipette configured to allow storage of fluid product with a view to being distributed, and

- a reservoir configured to contain the fluid product and receive the pipette,

The distribution body ensuring the sealing of the reservoir when the pipette is housed in it.

Such a design makes it possible to have a cosmetic product refill comprising a pipette and waterproof although free of actuation head which is particularly advantageous when the actuation head is complex and by comparison more expensive to manufacture than the reservoir, for example example. This results in a rechargeable receptacle in which the user can keep the actuation head for later use, for example with other refills.

The refill can be changed freely while limiting dirt since the pipette can remain housed in the reservoir when the actuator head is assembled to the refill.

According to different embodiments of the invention, which can be taken together or separately:

- the closing system includes a sealing means cooperating with the actuating head,

- the refill includes a closing ring configured to be removably attached to the tank,

- the refill includes a closing cap,

- the refill includes a lower piston configured to allow the suction and distribution of the fluid product,

- the lower piston is part of a piston assembly configured to allow the suction and distribution of the fluid product,

- the sealing means is the lower piston which ensures the watertight closure of the tank.

The invention also relates to a fluid product receptacle, comprising a refill as described above and an actuating head removably mounted on a reservoir of the refill.

- the actuating head comprises an actuator whose translation allows the suction and distribution of the fluid product,

- the actuator is a push button

- the actuation head comprises a connecting ring cooperating reversibly with the reservoir so as to removably fix the actuation head on the reservoir,

- the refill comprises the lower piston and the actuating head comprises an upper piston, the lower piston cooperating with the upper piston so as to form a piston assembly.

Another aspect of the invention concerns

a distributor of a fluid product configured to be removably mounted on a reservoir of fluid product, the distributor comprising a device for sampling and dispensing the fluid product, the device comprising an actuator and a piston assembly, characterized in that the The piston assembly comprises at least one lower piston configured to be mounted inside a distribution body of the distributor and at least one upper piston configured to be mounted inside an actuating head of the distributor housing the actuator.

In other words, the piston assembly is made up of two distinct parts, that is to say two different parts which can be separated and independent of each other at a given moment. These two separate parts called the lower piston and the upper piston can be assembled and cooperated together so as to play the role of a piston assembly for sampling and/or distributing the fluid product.

In operation of the distributor, the lower piston belonging to a distribution body is in contact with the fluid product. On the other hand, the upper piston belonging to a reusable actuating head is never in contact with the fluid product. Thus, only the disposable and changeable part is in contact with the fluid product, thus avoiding any contamination by the fluid product of the reusable part, in particular contamination of the new product with the old one.

- the lower and upper pistons are two separate parts assembled together in a reversible manner,

- the lower and upper pistons are linked in translation to each other so that an axial translation movement of one causes the axial translation of the other and the sampling and/or distribution of a dose of fluid product

- the lower and upper pistons are linked in rotation to each other,

- the upper piston is housed in the lower piston,

- the distributor comprises connecting means making it possible to connect the lower piston and the upper piston in translation,

- the connecting means make it possible to connect said lower piston and said upper piston in rotation,

- the connecting means are a bayonet system,

- the connecting means are at least one opening of the lower piston and at least one opposite tenon projecting radially cooperating together so as to link in translation said lower piston and said upper piston, and

- the connecting means are a lower rod of the upper piston and a lower cavity of the lower piston of a shape complementary to the lower rod so as to connect in rotation said lower piston and said upper piston,

- the connection between the lower piston and the upper piston is carried out by a movement of translation then rotation of one and/or the other of the lower and upper pistons,

- the connecting means are an annular bead located on an internal surface of the lower piston and an annular groove located on an external surface of the upper piston,

- the lower piston and/or the upper piston are configured to be irreversibly mounted respectively on the distribution body and the actuator,

- the fluid product is a cosmetic product or a pharmaceutical product,

- the actuator is movable in axial translation relative to the tank,

- the distribution body further comprises a closing ring configured to be reversibly fixed to the refill,

- the closing ring comprises an external wall defining an internal housing in which the lower piston is mounted,

- the actuating head further comprises a connecting ring allowing the connection between the actuator and the closing ring,

- the actuator is movable in axial translation relative to the connecting ring,

- the closing ring and the connecting ring are fixed relative to each other,

- the connecting ring is mounted reversibly on the closing ring,

- the dose of fluid product is taken and/or distributed by a vertical translation movement of the actuator,

- the dose of fluid product is taken and/or distributed by axial pressure on the actuator,

- the actuation head comprises a return means so that the actuator returns to a position of use after actuation,

- the return means is a spring located between the piston and an external envelope of an actuating head,

The invention also relates to a refill comprising a dispensing body of a dispenser as described above and a reservoir of fluid product, on which the dispenser as described above can be removably mounted, the lower piston being mounted at the interior of the distribution body.

- the lower piston is irreversibly mounted on the refill,

- the refill further comprises a closing ring configured to be reversibly fixed to the refill, the closing ring comprises an external wall defining an internal housing in which the lower piston is mounted,

- the lower piston is configured to allow watertight closure of the refill.

- the refill comprises a pipette, an upper end of which is connected to the piston and a lower end is configured to be immersed in the reservoir when the dispenser is mounted on the reservoir, the pipette allowing the storage of the dose of fluid product with a view to be distributed,

- the refill is made of a single material.

The invention also relates to a receptacle for a fluid product on which a distributor as described above is reversibly mounted.

Brief description of the figures

The invention will be better understood, and other characteristics and advantages thereof will appear during reading of the detailed description which follows, of at least two examples of embodiment of the invention given as examples. purely illustrative and non-limiting, with reference to the attached schematic drawings in which:

- there is a perspective view of a receptacle comprising a reservoir and a dispenser for fluid product according to the invention;

- there is a longitudinal sectional view of the receptacle of the ;

- there is a perspective view of a refill receptacle of the ;

- there is a longitudinal sectional view of the recharge of the ;

- there is a longitudinal sectional view of a device for sampling and dispensing the receptacle of the ;

- there is a longitudinal sectional view of an actuating head of the ;

- there is a perspective view showing a second variant of assembly between the lower piston and the upper piston;

- there is a sectional view showing a second variant of assembly between the lower piston and the upper piston;

-there is a detailed sectional view of the assembly of the variant of the with a piston assembly in the high position;

- there is a perspective view of a lower piston according to the second assembly variant of the ;

- there is a longitudinal sectional view of the recharge of the ;

- there is a longitudinal sectional view of the recharge of the assembly in progress with a lower piston;

-there is a sectional view of the assembly variant of the with the piston assembly in the down position.

Detailed description of the invention

By convention, the "axial" direction corresponds in the figures to that of the main axis the axial direction.

In the detailed description of the figures which follows, the terms “upper” and “lower” or “top” and “bottom” will be used in a non-limiting manner with reference to the axial direction.

Similarly, the terms "outer or outer" and "inner or inner" are used in reference to the radial direction, with an outer element being radially further from the X axis than an inner element.

Figures 1 and 2 illustrate a distributor 10 for fluid product mounted in a removable/reversible manner on a reservoir 18.

The distributor 10 and the reservoir 18 form a receptacle 11 for fluid product.

The distributor 10 comprises, in its upper part, an actuating head 14, and in its lower part, a distribution body 15. The removable connection between the distributor 10 and the reservoir 18 is made via the distribution body 15.

The actuating head 14 is configured to be reversibly mounted on the dispensing body 15. When the actuating head 14 is detached from the dispensing body 15, then the assembly formed by the reservoir 18 and the dispensing body 15 forms a refill 16. In other words, the refill 16 is intended to be removably mounted with the actuating head 14 to constitute the distributor 10 mounted on the reservoir 18.

By “removable” we mean the fact that the refill 16 is equipped with the actuating head 14 with the possibility of removing it, without causing destruction or deformation of one of the two elements. Thus, the refill 16 is intended to be able to be changed, in particular but not exclusively after the fluid product has been completely used.

The distributor 10 comprises a sampling and distribution device 12.

An example of producing a refill 16 is illustrated in Figures 3 and 4.

In this exemplary embodiment, the refill 16 has a main axis which extends in the axial direction, merging with the main axis X of the distributor 10.

Refill 16 includes:

- the reservoir 18 configured to contain the fluid product, and

- the distribution body 15.

The distribution body 15 includes:

- a pipette 42,

- a closing system ensuring the sealing of the tank 18 when the distribution body 15 is mounted on the tank 18,

- a lower piston 38.

The pipette 42 is configured to allow storage of fluid product with a view to being distributed and to be housed inside the reservoir.

The reservoir 18 is configured to contain the fluid product and receive the pipette 42.

The closure system ensures the sealing of the reservoir 18 when the pipette 42 is housed in it.

The tank 18 comprises a longitudinal wall 20 and an upper opening 22. The longitudinal wall 20 delimits an internal volume in which the fluid product can be stored. The upper opening 22 is delimited by a neck 24 connected to the longitudinal wall 20 by a frustoconical shoulder 26.

The reservoir 18 is here associated with a closing ring 28 configured to be removably fixed to the reservoir 18.

To do this, the closing ring 28 comprises closing means 30 cooperating with closing means 32 of the reservoir 18.

The means for closing the closing ring 28 are located on an internal surface of an external wall 34 defining an internal housing 36.

The means for closing the reservoir 18 are located on an external surface of the neck 24.

This is a

threading system

30, 32. The closing ring 28 can thus be fixed and/or removed from the tank 18 by a rotational movement of one relative to the other.

The external wall 34 of the closing ring 28 defines in particular the internal housing 36 in which the lower piston 38 is mounted.

In this embodiment, the internal housing 36 further comprises an internal skirt 40 into which the lower piston 38 is inserted.

In this exemplary embodiment, the internal skirt 40 is also extended by the pipette 42. Thus, the internal skirt 40 forms a storage chamber 96 in fluid connection with the pipette 42, chamber in which the lower piston 38 slides. More precisely, the lower part of the internal skirt 40 is connected to an upper end of the pipette 42. An opposite lower end of the pipette is open and configured to be immersed in the reservoir 18 when the closing ring 28 is mounted on the reservoir 18. The fluid connection between the chamber and the pipette 42 is closed when the lower piston 38 is in the lower position inside the chamber.

The pipette 42 allows the storage of the dose of fluid product taken with a view to being distributed.

The closing ring 28, the internal skirt 40, the pipette 42 and the lower piston form part of the distribution body 15.

The lower piston 38 is held in the internal skirt 40 of the closing ring 28 using an external annular bead 44 of the lower piston 38 cooperating with an upper end of the internal skirt 40. The upper end of the skirt internal 40 is in particular provided with slots defining flexible tongues whose upper ends comprise a shoulder 46.

Advantageously, the shoulder 46 has a lower surface cooperating with the external bead 44 of the lower piston 38 so as to hold it in the internal housing 36. The lower piston 38 is thus linked axially to the closing ring 28. Preferably the connection is irreversible. In other words, the lower piston 38 is irreversibly mounted inside the distribution body 15.

Advantageously, the lower piston 38 ensures a watertight closure to the tank 18.

The lower piston 38 is thus a sealing means cooperating with the closing ring 28 so as to ensure the watertight closure of the tank 18. Thus, when the distribution body 15 is mounted on the tank 18, the refill 16 thus constituted is waterproof.

In the embodiment shown, the refill 16 further comprises a closing cover 48. The cover 48 is arranged on an upper end of the distribution body 15, in particular on an upper peripheral edge of the closing ring 28.

The cover 48 is removably mounted on the refill 16, here the closing ring 28. The cover 48 is for example heat-sealed on the upper end of the refill 16.

The cover 48 allows protection, for example hygienic, of the internal housing 36 in particular of the lower piston 38, in particular during its storage before use with an actuating head 14.

Preferably, the cover 48 is disposable. In other words, the cover 48 is removed and then thrown away after the first use of the fluid product, that is to say when the actuation head 14 is mounted on the refill 16, and more precisely on the dispensing body 15, itself mounted on tank 18.

Advantageously, the cover 48 is made of disposable material. This could be, for example, paper or even a recyclable material.

Advantageously, the refill 16 is made of a single material.

In other words, the reservoir 18 and the dispensing body 15 (the closing ring 28, the internal skirt 40, the pipette 42 and the lower piston 38) are made of the same material, or at least of similar materials.

By similar materials we mean materials which will have at least one common recycling circuit.

The use of the same material, or at least similar materials, to make the different parts of the refill 16 is particularly interesting for their recycling after use of the fluid product. Indeed, the presence of different materials presents disadvantages during recycling where the parts must be separated. The use of the same material allows all the parts of the refill 16 to be thrown away together without having to dismantle it, which facilitates recycling.

The material can be chosen from polypropylene (PP), polyethylene terephthalate (PET), recycled polyethylene terephthalate (R-PET), a thermoplastic elastomer (TPE), polyethylene (PE), such as low density polyethylene (LDPE). ) and/or high density polyethylene (HDPE), a composite material, a post-consumer recycled material (PCR) and/or a similar material.

Preferably, the material is selected from polypropylene, polyterephthalate, post-consumer recycled polypropylene, post-consumer recycled polyterephthalate, or a mixture thereof.

Polypropylene and polyethylene terephthalate are two plastic materials whose recycling cycle is well known.

The tank 18 may also be made of glass, wood, metal, plastic, hybrid material or mixtures thereof.

The disassembly of the actuating head 14 and the dispensing body 15 and the disassembly of the dispensing body and the reservoir 18 being easily carried out, the fact that the reservoir 18 is made of a different material does not complicate recycling, each of the parts being recycled in a clean recycling cycle.

The actuating head 14 comprises an actuator 50, an upper piston 52 and a connecting ring 54 allowing the connection between the actuator 50 and the closing ring 28 of the distribution body 15.

In other words, the connecting ring 54 makes it possible to fix the actuating head 14 to the distribution body 15 via the closing ring 28 thereof. Preferably, the connecting ring 54 is mounted reversibly on the closing ring 28, so that the actuating head 14 is removable relative to the distribution body 15.

Advantageously, the closing ring 28 and the connecting ring 54 are linked in rotation, as well as axially. In other words, the closing ring 28 and the connecting ring 54 are fixed relative to each other when the actuating head 14 is connected to the distribution body 15.

On the other hand, the actuator 50 is movable in axial translation relative to the connecting ring 54.

Preferably, the actuator is a push button.

The actuator 50, the upper piston 52 of the actuating head 14 and the lower piston 38 of the dispensing body 15 form a sampling and dispensing device 12, an exemplary embodiment of which is illustrated in Fig. .

Preferably, the lower piston 38 is configured to be irreversibly mounted inside the distribution body 15 and the upper piston 52 is configured to be irreversibly mounted inside the actuator 50.

In the exemplary embodiment illustrated here, the lower piston 38 is a cylindrical part of circular cross section. The lower piston 38 comprises a longitudinal wall 55 which extends from a closed lower end defining a bottom 56 towards an opposite open upper end 58.

The longitudinal wall 55 has an external surface and an internal surface and defines a housing.

The external surface of the lower piston 38 comprises the external annular bead 44 which cooperates with the upper end of the internal skirt 40 of the closing ring 28 so as to be held therein.

The internal surface of the lower piston 38 comprises an annular internal groove 60. The internal groove 60 is located near the upper end 58 of the lower piston 38.

The upper end 58 of the lower piston 38 further comprises slots defining flexible tabs providing radial flexibility to the upper end 58 of the lower piston 38.

In the exemplary embodiment illustrated here, the upper piston 52 is a cylindrical part of circular cross section and comprising an upper portion 62 and a lower portion 64 of different diameters and connected together by a shoulder 66.

The upper portion 62 has a larger diameter than the lower portion 64.

The upper piston 52 comprises a longitudinal wall 67 which extends from an open lower end 68 of small diameter towards an opposite open upper end 70 of large diameter.

The upper portion 62 of the upper piston 52 delimits an upper housing in which the actuator 50 is housed.

The lower portion 64 of the upper piston 52 defines a rod 72 extending from the lower end 68 open towards the opposite shoulder 66 connected to the upper portion 62 of the upper piston 52.

The rod 72 is configured to be inserted into the housing of the lower piston 38, when the actuating head 14 is mounted on the distribution body 15.

The rod 72 comprises an annular external bead 74 located near the upper portion 62 of the upper piston 52.

The external bead 74 cooperates with the internal groove 60 of the lower piston 38 so that the lower piston 38 and the upper piston 52 are linked in translation and together form a piston assembly 76 whose actuation allows the sampling and/or distribution of the fluid product.

Thus, the piston assembly 76 is formed of two distinct parts: the lower piston 38 and the upper piston 52.

Their actuation is obtained via actuator 50.

Thus, advantageously, the distributor 10 comprises connecting means which make it possible to link the lower piston 38 and the upper piston 52 in translation.

In the example shown here comprising a first assembly variant, the connecting means are the external bead 74 of the upper piston rod 52 and the internal groove 60 of the lower piston 38 which cooperate together when the actuating head 14 is mounted on the distribution body 15.

To facilitate the insertion of the rod 72 of the upper piston 52 into the lower piston 38, that is to say to facilitate the mounting of the actuating head 14 on the distribution body 15, and ensure its maintenance, the The upper end 58 of the lower piston 38 further comprises slots defining flexible tabs providing radial flexibility to the upper end of the lower piston 38.

In another exemplary embodiment comprising a second assembly variant, the connecting means are a bayonet system as illustrated in .

In such a bayonet system, the lower piston 38 comprises, for example, at least one notch, for example L-shaped, and the upper piston 52 comprises at least one tenon (or vice versa) cooperating with the notch. The connection between the lower piston 38 and the upper piston 52 is then carried out by a translation movement then rotation of one and/or the other of the lower and

upper pistons

38, 52.

In this second assembly variant illustrated in , the lower piston 38 comprises two L-shaped notches 77 and the upper piston 52 comprises two tenons 79 projecting radially. Each of the tenons 79 cooperates with a notch 77 so that the lower piston 38 and the upper piston 52 are linked axially and in rotation and that an axial translation movement of one causes the axial translation of the other and the sampling and/or the distribution of a dose of fluid product.

In this assembly variant, the notches 77 have a horizontal ramp 77a extending annularly and a vertical ramp 77b opening through an upper opening 77c at the level of the upper end 58 of the lower piston 38.

When mounting the actuating head 14 on the distribution body C, each of the tenons is inserted at the level of the upper opening 77c. Then a vertical translation movement downwards, followed by a rotational movement allows the assembly of the lower piston 38 with the upper piston 52. The lower piston 38 and the upper piston 52 are thus linked axially and in rotation so that an axial translation movement of one causes the axial translation of the other and the sampling and/or distribution of a dose of fluid product.

In a third assembly variant, the connecting means are a snap-lock system as illustrated in Figures 8 to 13.

In this alternative embodiment, the lower piston 38 comprises two opposite through openings 78 and the upper piston 52 comprises two opposite tenons 80 projecting radially. Each of the tenons 80 cooperates with one of the openings 78 so that the lower piston 38 and the upper piston 52 are linked axially and in rotation and that an axial translation movement of one causes the axial translation of the other and the collection and/or distribution of a dose of fluid product.

During assembly, the upper piston 52 is forced into the lower piston 38 to engage it.

To improve the connection in rotation, the upper piston 52 comprises a lower rod 82 comprising two flats 84 which are housed in a lower rectangular cavity 86 of the lower piston 38 as visible at the . The lower cavity 86 is thus of complementary shape to the cross section of the lower rod 82 of the upper piston 52.

In this third assembly variant, the lower piston 38 comprises two radial and opposite external projections 88 which each cooperate with an internal L-shaped notch 90 located on the internal surface of the internal skirt 40 of the closing ring 28.

The L-shaped notch 90 makes it possible to guide the lower piston 38 in translation by sliding the external projections 88 in the notch 90, in particular in a vertical ramp 90a of the notch 90.

Advantageously, the external projections 88 are aligned with the vertical ramp 90a after the lower piston 38 is made a quarter turn.

Preferably, the quarter turn is induced by a rotation of the actuating head 14.

The L-shaped notch 90 further comprises a horizontal ramp 90b which makes it possible to form a space allowing spacing of the upper part of the lower piston 38 and facilitate its assembly with the upper piston 52.

Once the lower piston 38 is housed in the storage chamber 96, the upper part of the lower piston 38 can no longer move apart, thereby maintaining the assembly between the lower piston 38 and the upper piston 52.

The external radial projections 88 and the through openings 78 are angularly regularly distributed. In other words, they form 90 degree angles between them.

The piston assembly 76 further includes a washer 92.

Advantageously, before the first use, the washer 92 is connected to the lower piston 38 on its upper part by at least one breakable bridge 94. In this embodiment, the washer 92 is connected by two opposite breakable bridges 94.

During the first use and/or when fixing the actuating head 14 on the refill 16, an axial pressure made by the user causes a downward translation movement of the lower piston 38 while the washer 92 remains in place in the top of the internal skirt 40 of the closing ring 28, blocked by a shoulder 100. The breakable bridges 94 are then broken, releasing the downward translation movement of the lower piston 38.

The washer 92 makes it possible to maintain the lower piston 38 in the internal skirt 40 of the closing ring 28. Indeed, during the translational movement of the lower piston 38, the external projections 88 come into abutment on the lower surface of the washer 92. The lower piston 38 is thus held in the internal skirt 40 of the closing ring 28.

The washer 92 is itself blocked in upward translation by hooking zones 102 located in the upper part on the internal surface of the internal skirt 40 of the closing ring 28.

The washer 92 is thus mounted fixed, in particular in axial translation in the internal skirt 40 of the closing ring 28.

Thus when actuated, the lower piston 38 can move up and down driven by the upper piston 52 while the washer 92 is fixed in the internal skirt 40 of the closing ring 28.

Advantageously, at least one movement of the actuator 50 causes actuation of the piston assembly 76 to allow the sampling and/or distribution of the dose of fluid product.

In this embodiment, the actuating head 14 comprises an external envelope 90 linked in rotation with the actuator 50 via the connecting ring 54.

In this embodiment, the dose of product can be taken by a vertical translation movement of the actuator 50. This axial translation movement can be obtained by axial pressure on the actuator 50 as in the example shown here.

The axial pressure causes a movement of the piston assembly 76, that is to say the lower piston 38 and the upper piston 52. The release causes the rise of the piston assembly 76 causing the product to rise in the pipette 42 into a storage chamber 96 defined in the housing of the closing ring 28 and delimited in the upper part by the bottom of the lower piston 38.

Another vertical translation movement of the actuator 50, such as a new axial pressure on the actuator 50, allows the distribution of the fluid product stored in the storage chamber.

This other axial pressure causes a new movement of the piston and the distribution of the fluid product.

Advantageously, the actuating head 14 comprises a return means so that the actuator 50 returns to a position of use after actuation. It may be, as in the example shown in Figures 1 to 6, a spring 98 located between the piston assembly 76 and the external envelope 90 of an actuating head 14.

The spring 98 can also be located under the actuator 50, for example between the actuator 50 and the closing ring 28 as illustrated in .

In another embodiment not illustrated, the distributor 10 may include a cover.

The cover is intended to cover the actuating head 14.

Preferably, the cover is removable. The cover is capable of occupying at least one open position in which the cover is separated from the actuating head 14 with a view in particular to allowing the actuation of the distributor 10 and the sampling and/or distribution of the fluid product and a closed position in which the cover is secured to the actuating head 14.

Claims

Refill (16) for a fluid product receptacle configured to removably receive an actuating head (14) of which a translation of at least one part allows suction and distribution of the fluid product, the refill (16) comprising:
- a dispensing body (15) comprising a pipette (42) configured to allow storage of fluid product with a view to being distributed, and
- a reservoir (18) configured to contain the fluid product and receive the pipette (42),
the distribution body ensuring the sealing of the reservoir when the pipette is housed in it.
Refill (16) according to the preceding claim, in which the dispensing body comprises a closure system, the closure system comprises a sealing means cooperating with the actuating head.
Refill (16) according to any preceding claim, comprising a closure ring (28) configured to be removably attached to the reservoir (18).
Refill (16) according to any one of the preceding claims, comprising a closing cover (48).
Refill (16) according to any one of the preceding claims, comprising a lower piston (38) of a piston assembly (76) configured to allow the suction and distribution of the fluid product.
Refill (16) according to the preceding claim, in which the sealing means is the lower piston (38) which ensures the watertight closure of the reservoir (18).
Receptacle comprising a refill (16) according to any one of claims 1 to 6 and an actuating head (14).