FR3106582A1 - CAPSULING DEVICE INTENDED TO BE FIXED ON THE MOUTH OF A CONTAINER AND ASSEMBLY INCLUDING A CONTAINER AND A CAPSULING DEVICE - Google Patents

Abstract

The invention relates to a capping device intended to be fixed on a neck (2) of a container comprising an orifice, the capping device comprising: - a stopper (1); - a lower ring (9) held axially on the neck (2); - a hinge device which connects the stopper (1) to the lower ring (9); the capping device further comprising a capsule blocker (1) configured to block the capsule (1) in the inclined open position, such a locking device comprising a ring (22) which is formed on the outer peripheral skirt, between the two blades, and which is configured to rest against the neck (2) of the container when the capsule (1) is in the open inclined position, the ring (22) has an internal face where at least one of the ribs of the series of helical threads is formed. Figure 10

Description

CAPSULING DEVICE INTENDED TO BE FIXED ON THE MOUTH OF A CONTAINER AND ASSEMBLY INCLUDING A CONTAINER AND A CAPSULING DEVICE

The invention relates to an assembly comprising a container and a capping device which is equipped with a stopper and allows the stopper to remain attached to the neck of a container, preventing the stopper from being lost altogether.

Technological background

Document ES1232089U discloses a capping device which comprises a lower ring intended to be fixed axially to the neck of a container, a cap which comprises a net intended to be attached to an additional net formed in the follower of the container and a seal which seals the capsule to the lower ring. The lower ring has attachment means for retaining the lower ring with the container follower. The section of the lower ring diameter in which fasteners are located extends from 25 to 75% of the diameter of the lower ring. The section of the lower ring which is connected to the stopper by the articulation device is devoid of fastening means which allows this section to rotate between a lowered position and a raised position, in particular to allow the stopper to be unscrewed. In addition, the capsule comprises pawl means intended to cooperate with the complementary pawl means formed in the lower ring and thus allows the capsule to remain in an open inclined position.

This capping device is not completely satisfactory. In particular, this capping device is capable of exhibiting insufficient pressure resistance, so that the capsule is liable to open by advertisement due to too much pressure in the container, in particular when it is intended to store carbonated drinks.

In addition, despite the absence of means of attachment to the section of the lower ring which is connected to the capsule by the seal, manipulations of the capsule to allow the section of the lower ring which is connected to the capsule to turning into a raised position when the capsule is to be moved from the tilted open position to the closed position are not easy.

Abstract

An idea underlying the invention is to provide a capping device which will allow a capsule to remain attached to the container neck which is reliable, easy to manufacture and to use.

According to one embodiment, the invention relates to a capping device intended to be fixed to the neck of a container comprising an orifice, the capping device comprising:
a capsule which comprises an upper wall and an external peripheral skirt, the external peripheral skirt having a helical thread formed of a series of ribs and intended to cooperate with a helical thread formed in the neck to allow:
unscrewing the capsule from the neck around an X axis to move the capsule from a closed position where the upper wall closes the neck orifice and the outer peripheral skirt surrounds the neck to a released position where the capsule is not more attached to the neck; and
screwing the capsule onto the neck to move the capsule from the released position to the closed position;
a lower ring held axially on the neck and moving in rotation around the neck along the X axis; and
- an articulation device which joins the capsule to the lower ring, the articulation device comprising two plates which connect the outer peripheral skirt and the lower ring and are arranged to allow the capsule to rotate between the released position and a position tilted open where the capsule disengages from the neck opening,
the capping device further comprising a capsule locking device configured to lock the capsule in the open inclined position, such a locking device comprising a ring which is formed on the outer peripheral skirt, between the two sheets, and which is configured to rest against the neck of the container when the capsule is in the tilted open position, the ring having an internal face on which at least one of the ribs of the series of helical threads is formed.

This improves the pressure resistance of the capping device.

Depending on other advantageous embodiments, a capping device of this type may have one or more of the following characteristics.

According to one embodiment, the lower ring comprises a first sector comprising coupling elements which project radially into the lower ring and are intended to be arranged under the coupling collar to retain the lower ring axially in the container neck and a second sector, the first sector and the second sector of the lower ring are hinged together so that the second sector rotates relative to the first sector between a lowered position where the second sector is intended to be arranged under the locking collar and a raised position where the second sector is intended to be arranged at least partially above the locking collar.

According to one embodiment, the first sector of the lower ring, a front zone which is diametrically opposed to the second sector and two coupling zones which are each arranged between the front zone of the first sector and the second sector, the coupling elements are arranged only in the two coupling zones to allow a radial displacement of the lower ring capable of facilitating the passage of a part of the second sector on each side of the coupling collar during the movement of the second sector between the lowered position and the released position . In this way, the tensile forces which will be exerted on the lower ring to allow the second sector to move between the lowered position and the raised position are lower, which makes the use of the capping device easier.

According to one embodiment, the coupling elements are protrusions which protrude radially inward.

Depending on the embodiment, the second sector extends over an angular range of 90 ° to 150 °.

Depending on the embodiment, the front of the second sector extends over an angular range of 90 ° to 150 °.

Depending on the embodiment, each of the two attachment areas extends over an angular range of between 30 ° and 90 °.

According to one embodiment, the articulation device extends over a first angular interval which is cut into two equal parts by a plane of bisector Pb, the two articulation zones extend over angular sectors which are symmetrical by compared to the plane of bisector Pb.

According to one embodiment, the articulation device extends over a first angular interval which is cut into two equal parts by a plane of bisector Pb and in which the helical thread formed on the outer peripheral skirt of the capsule develops around of the X axis in a first direction and has a lower end and an upper end, the lower end of the helical thread is arranged in a second angular interval which is defined between the bisector plane Pb and a radial plane positioned at 160 ° the plane of bisector Pb in a second direction opposite to the first direction. This facilitates the coupling of the capsule into the neck when moving the capsule from the tilted open position to the closed position.

According to one embodiment, the invention also relates to an assembly comprising a container equipped with a neck comprising a dispensing orifice, a coupling collar and a helical thread and a capping device mentioned above, the lower ring being held axially on the neck and being movable in rotation on the neck about said axis X.

Depending on the embodiment, the capping device also includes a locking device configured to lock the capsule in the tilted open position, including a stopper which projects radially outward from the capsule and is configured to rest against the collar. neck attachment during displacement of the capsule from the tilted open position to the released position for use in the second sector, a tensile force which has a radially outward directed component and an axially upward directed component to aid in the movement of the second sector between the lowered position and the raised position. This makes the use of the capping device even easier, especially when the capsule needs to be moved from the tilted open position to the closed position.

According to one embodiment, the stopper is configured so that, during a displacement of the capsule from the released position to the open inclined position, the stopper rests against an upper end of the second sector of the lower ring to move it from the position. raised to the down position. This makes the use of the capping device easier.

Depending on the embodiment, the locking device also comprises a ring which is formed on the outer peripheral skirt of the capsule and which extends axially, the ring being configured to rest against a helical rib of the helical thread formed in the neck. of the container during displacement of the capsule from the tilted open position to the released position to exert a tensile force on the second sector which has a component directed radially outward and a component directed axially upward to aid in the displacement of the second sector from the lowered position to the raised position. It also makes the use of the capping device easier.

Depending on the embodiment, the articulation device has two blades and the ring is formed between the two blades.

Depending on the embodiment, the stop protrudes radially outwardly from the ring.

Brief description of the figures

The invention will be better understood and other objectives, details, features and advantages thereof will become more apparent in the following description of several particular embodiments of the invention, provided exclusively by way of illustration and not by way of limitation. , with reference to the accompanying drawings

: is a three-quarter perspective view of a capping device.

: is a sectional view of a container neck intended to receive the capping device of the .

: is a side view of the capping device mounted on the neck of the container and showing the capsule of the capping device in a released position in which it is no longer engaged with the neck of the container.

: is a perspective view of the capping device mounted on the neck of the container and showing the cap of the capping device in an inclined open position in which the cap is disengaged from the orifice of the neck.

: is a side perspective view of the capping device.

: is another side perspective view of the capping device.

: is a rear perspective view of the capping device.

: is a front perspective view of the capping device.

: is a sectional view of the capping device mounted on the neck of the container and showing the cap of the capping device in an inclined open position in which the cap is disengaged from the orifice of the neck.

: is a sectional view of the capping device mounted on the neck of the container and showing the capsule of the capping device in an intermediate position between the released position and the tilted open position.

: is a perspective view of the capping device mounted on the neck of the container and showing the capsule of the capping device in the tilted open position.

Detailed description of the invention

In the description and in the figures, the X axis corresponds to the axis of rotation of the capsule 1 of the capping device when it is screwed onto the neck 2 of the container. By convention, the "radial" orientation is directed orthogonally to the X axis and the axial orientation is directed parallel to the X axis. The terms "external" and "internal" are used to define the relative position of a element relative to another, with reference to the X axis, an element close to the X axis is thus classified as being internal as opposed to an external element located radially on the periphery.

The terms "upper" and "lower" are used to define the relative position of one element with respect to another with reference to a position in which the orifice 3 of the neck 2 faces upwards and the capsule 1 is in. the closed position on the neck 2 of the container, an element intended to be placed lower being called lower and an element intended to be placed higher being called upper. The terms "front" and "rear" are used to define the relative position of one element relative to another by a diameter perpendicular to the X axis.

With reference to FIGS. 1 to 10, an assembly comprising a capping device, shown in particular in FIG. , and a container equipped with a neck 2, shown in particular on the , are described below.

As shown in the , the neck 2 of the container has an upper end on which an orifice 3 is formed which allows the contents of the container to be poured out. The neck 2 of the container has a support collar 4 projecting radially outwards and a coupling collar 5 which also projects radially outwards and is arranged axially between the support collar 4 and the orifice 3. A cylindrical portion is formed axially between the support collar 4 and the orifice 3. Furthermore, the neck 2 comprises, positioned axially between the coupling collar 5 and the orifice 3, a helical thread 6 formed of a series of ribs helical, projecting radially outwards from an outer surface of the neck 2. The helical thread 6 is intended to cooperate with a complementary helical thread 7 formed of a series of helical ribs which are formed on the capsule 1 of the capping device .

According to one embodiment, the helical thread 6 formed on the neck 2, as well as the helical thread 7 formed on the capsule 1 are interrupted. In other words, the adjacent helical ribs are separated by a space which forms a vent and which allows in particular to evacuate the gas present inside the container while the capsule 1 is still attached to the neck 2.

The capping device comprises a lower ring 9 which is retained in the neck 2 of the container, a capsule 1 which is intended to cover the orifice 3 of the container in order to ensure its tightness, an articulation device 10 which joins the capsule 1 to the lower ring 9 and a locking device positioned to lock the capsule 1 in an open inclined position, shown in Figures 4, 9 and 11. In the open inclined position, the capsule 1 is disengaged from the port 3 of the container and does not interfere with the pouring of the contents of the container.

As shown in Figures 7 and 8, the articulation device 10 extends over an angular range S1 which is cut into two equal parts by a vertical bisection plane Pb.

If we go back to the , it is observed that the capsule 1 comprises an upper wall 13 intended to be arranged substantially orthogonally to the X axis, opposite the orifice 3 of the neck 2 when said capsule 1 is in the closed position. The capsule 1 further comprises an outer peripheral skirt 14 intended to surround the neck 2 of the container when the capsule 1 is in the closed position. The outer peripheral skirt 14 extends, downwardly, perpendicular to the upper wall 13, from the outer periphery of said upper wall 13.

The outer peripheral skirt 14 has, on its inner face, a helical thread 7, visible in Figures 2 and 5 to 7, formed of a series of helical ribs which extend around the X axis in a first direction of rotation. The helical thread 7 is intended to cooperate with the helical thread 6 formed on the outer surface of the neck 2. In this way, the cap 1 is able to screw into the neck 2 in order to close the container and unscrew from the neck 2. to open the container. The capsule 1 can thus be moved between a closed position and a released position, shown on the figure. . In said released position, the capsule 1 is no longer engaged with the neck 2. Therefore, it is able to tilt towards the open tilted position, shown in Figures 4, 9 and 11, in which the capsule 1 is. disengaged from the orifice 3 of the neck 2 so as not to interfere with the pouring of the contents of the container.

As shown in particular by the , the capsule 1 also comprises an internal skirt 8, which extends perpendicularly downwards from the upper wall 13 of the capsule 1 and is dimensioned to be inserted into the orifice 3 of the neck 2. The capsule 1 also comprises a lip annular 15 extending, from the upper wall 13, radially between the inner skirt 8 and the outer peripheral skirt 14. The inner skirt 8 and the annular lip 15 are dimensioned so that, when the capsule 1 is in the closed position, in the neck 2 of the container, the internal skirt 8 is in contact against the internal face of the neck 2 while the annular lip 15 is in contact against the external face of the neck 2. In this way, the internal skirt 8 and the annular lip 15 make it possible to guarantee the tightness of the closure.

Advantageously, the lower ring 9 is, before the first opening of the container, connected to the capsule 1 by breakable bridges, not visible in the figures, intended to be broken during the opening of the capsule 1. These breakable bridges thus constitute tamper-evident seals.

The lower ring 9 is held axially on the neck 2 of the container while it can rotate relative to the latter around the axis X. As shown in the figure. , the lower ring 9 has two parts which are articulated on each other, that is to say, a first section 16 and a second section 17, whereby the lower ring 9 is connected to the capsule 1 at the means of the articulation device 10.

According to one embodiment, the lower ring 9 has two narrowed areas, that is to say, the radial thickness of which is less than the radial thickness of the lower ring 9 outside said narrowed areas. The two narrowed areas delimit the first section 16 and the second section 17. The narrowed areas thus form pivots which allow the second section 17 to be articulated relative to the first section 16.

According to another embodiment, the lower ring 9 does not have narrowed areas which delimit the first and second sections 16, 17.

The second section 17 is capable of rotating upward with respect to the first section 16, between a lowered position in which the second section 17 is intended to be arranged under the coupling collar 5 and a raised position, in which the second section 17 is arranged at least in part above the coupling collar 5. This allows the capsule 1 to move upwards with respect to the neck 2 of the container, until the helical thread 7 of the capsule 1 is connected. disengaging the helical thread 6 formed on the neck 2 of the container. In other words, when the capsule 1 is unscrewed, the lower ring 9 is rotated about the X axis while the second section 17 of the lower ring 9 rotates relative to the first section 16 to the raised position. to allow axial displacement of the capsule 1 from the closed position to the released position, shown in . When the capsule 1 rotates from the released position to the tilted open position, the second section 17 of the lower ring 9 rotates in the opposite direction with respect to the first section 16 and then returns to the lowered position. On the other hand, as described in more detail below, the second section 17 also rotates relative to the first section 16 from the lowered position to the raised position as the capsule 1 rotates from the tilted open position to the released position.

The lower ring 9 is held axially on the neck 2 of the container by means of the coupling collar 5, in particular, visible in FIGS. 5 to 7. The coupling collar 5 has a frustoconical outer surface which tapers upwards, that is, in a direction towards the port 3 of the container. The coupling collar 5 defines, downwardly, that is to say, in a direction opposite to the orifice 3, a projection. The first section 16 of the lower ring 9 comprises coupling elements 18 which cooperate with the engagement collar 5 formed on the container in order to axially retain the lower ring 9 on the neck 2 of the container. The coupling elements 18 are protrusions, shown in detail in particular in Figures 5 and 6, which protrude radially inwards from the first section 16 of the lower ring 9. The coupling elements 18 have an increasing radial dimension. , from bottom to top, that is to say in the direction of the upper edge of the lower ring 9. During the assembly of the capping device on the neck 2 of the container, the coupling elements 18 slide against the frustoconical surface of the coupling collar 5, then are blocked by an elastic return behind the coupling collar 5.

As shown in Figures 5 and 6, the first section 16 of the lower ring 9 comprises a front zone 19 which is diametrically opposed to the second section 17 of the lower ring 9 and two engagement zones 20, 21 which are arranged on each side of the front area 19 and are each arranged between the front area 19 and the second section 17 of the lower ring 9. The coupling elements 18 are only arranged in the two engagement areas 20, 21. Thus, due to from the absence of coupling elements 18 in the front area of the first section 16, there is a radial space between the lower ring 9 and the neck 2 which allows the lower ring 9 to move back and forth and vice versa. The radial clearance between the lower ring 9 and the neck 2 in the front / rear direction is, for example, between 0.5 and 1 mm. This facilitates passage of part of the second section 17 on each side of the coupling collar 5 during movement of the second section 17 between the lowered position and the raised position. In other words, the tensile forces which will be exerted on the lower ring 9 to allow the second section 17 to pass on either side of the coupling collar 5 are less.

Advantageously, the second section 17 extends over an angular range between 90 ° and 150 °, and for example, of the order of 120 °, the front zone of the second section 16 extends over an angular range between 90 ° and 150 °, for example, of the order of 120 °, while each of the two engagement zones 20, 21 extends over an angular range of between 30 and 90 ° for example, of the order of 60 °.

Furthermore, the plane of bisection Pb cuts the second section 17 into two equal parts, as well as the front part of the second section 17. The angular ranges corresponding to the two engagement zones 20, 21 are consequently symmetrical to one another. the other compared to the plane of bisection Pb.

The articulation device 10 is configured to allow the capsule 1 to rotate between the released position, shown in the figure. , in which the outer peripheral skirt 14 extends downward from the upper wall 13 of the capsule 1, and the inclined open position, shown in Figures 4, 9 and 11, in which the outer peripheral skirt 14 extends upwards from the upper wall 13 of the capsule 1. In the embodiment shown, the articulation device 10 comprises two blades 11, 12, visible in particular on the , which join the capsule 1 and, more particularly, the outer peripheral skirt 14 of the capsule 1 to the lower ring 9, and more particularly, to the second section 17 of the lower ring 9. The two blades 11, 12 are symmetrical by compared to the plane of bisection Pb.

The locking device comprises a ring 22, visible in particular on the , which is formed on the outer peripheral skirt 14 of the capsule 1. The ring 22 is arranged between the two blades 11, 12. The lower end of the ring 22 is advantageously located at the same height as the lower end of the skirt external peripheral 14. The ring 22 comprises a stop 23 which extends circumferentially around the axis X and projects radially outwardly from the ring 22.

During movement of the capsule 1 from the released position to the tilted open position, the stop 23 abuts against the upper end of the second section 17 of the lower ring 9 which tends to return said second section 17 to the lowered position.

Furthermore, during the displacement of the capsule 1 from the inclined open position towards the released position, the stop 23 firstly rests against the coupling collar 5, as shown in FIG. , to exert on the second section 17 of the lower ring 9 a tensile force having a component directed radially outwards and a component directed axially upwards. This allows the lower ring 9 to be moved from front to back in order to press the front zone 19 of the first section 16 of the lower ring 9 against the neck 2 of the container in order to facilitate the movement of the second section 17 towards the raised position. This also helps to assist in the movement of the second section 17 between the lowered position and the raised position.

Then, as shown in , during the displacement of the capsule 1 from the inclined open position to the released position, the external surface of the ring 22 comes in a second moment, to rest against the upper surface of a helical rib of the helical thread 6 formed in the neck 2 of the containing, which also makes it possible to exert on the second section 17 a tensile force having a component directed radially outwards and a component directed upwards in order to move the second section 17 to the raised position.

Moreover, as shown in , the lower end 24 of the helical thread 7 formed on the inner face of the outer peripheral skirt 14, that is to say the start of the helical thread 7, is arranged in an angular range S2 which is defined between the plane of bisection Pb and a radial plane Pr located at 160 ° from the bisection plane Pb in a second direction opposite to the first direction of rotation, that is to say in the direction of rotation of the helical thread 7 around the axis X. Thus, a lower front portion 25 of the outer peripheral skirt 14 has no helical thread 7, which makes it easier to adjust the cap 1 on the neck 2 of the container. This arrangement is particularly advantageous when the capsule 1 is capable of being in a slightly rearward position when it comes into contact with the neck 2 of the container. This is particularly the case, when the coupling elements 18 are absent from the front area 19 of the first section 16 and, therefore, the lower ring 9 can move radially back and forth relative to the neck 2 of the container.

Advantageously, the lower end of the helical thread 7 is arranged in an angular range defined between two radial planes positioned respectively at 90 ° and 160 ° from the plane of bisection Pb according to a second section of rotation opposite to the direction of the helical thread 7 of the capsule 1.

Moreover, as shown schematically in Figures 8, 9 and 10, at least one of the ribs of the series of ribs of the helical thread 7 is formed on the internal face of the ring 22. In other words, at least l 'one of the ribs of the helical thread 7 is formed between the two blades 11, 12 of the articulation device 10. The presence of said rib formed on the rod 22 makes it possible to increase the resistance to pressure of the helical thread 7 and, by Therefore, prevents the capsule 1 from unintentionally opening due to excessive pressure on the container, especially when it is intended to receive carbonated drinks.

The kinematics of capsule 1 are as follows. During the first unscrewing, the capsule 1 leaves the closed position and moves away from the lower ring 9 towards the released position, illustrated on the figure. . The breakable bridges break during this displacement. In addition, during this unscrewing movement of the capsule 1, the lower ring 9 is rotated about the X axis and the second section 17 of the lower ring 9 rotates to the raised position as the capsule 1 s' away from the coupling collar 5.

The capsule 1 can then be turned rearward in the direction of the tilted open position in which the outer peripheral skirt 14 extends upward from the top wall 13. During movement of the capsule 1 again in the direction from its open inclined position, the stop 23 abuts against the upper end of the second section 17 of the lower ring 9, so that the second section 17 of the lower ring 9 rotates from the raised position to the lowered position.

As shown in the , when the second section 17 of the lower ring 9 is in the lowered position and the capsule 1 is in its tilted open position, the stop 23 is supported against the coupling collar 5. In this way, the capsule 1 remains in its position. open inclined since, due to this abutment of the stop 23 against the coupling collar 5, the capsule 1 cannot rotate to the released position in which the capsule 1 faces the dispensing orifice 3 while the second section 17 of the lower ring 9 remains in the lowered position. This makes it possible to increase the minimum opening angle of the capsule 1. Thus, advantageously, when the capsule 1 is in its inclined open position and the second section 17 of the lower ring 9 is in the lowered position, the angle opening of the capsule 1 is greater than 120 ° and, advantageously, greater than or equal to 145 ° and, for example, of the order of 180 °. The opening angle corresponds to the protruding angular section which is formed at the intersection between a plane parallel to the upper wall 13 of the capsule 1 and a horizontal plane.

To close the capsule again, the user tilts capsule 1 forward to the released position. During this inclination, the stop 23 rests against the coupling collar 5 to exert on the second section 17 of the lower ring 9 a tensile force which has a component directed radially outwards allowing the lower ring 9 to be moved forward. rearward and a component directed axially upwards making it possible to assist in the movement of the second section 17 of the lower ring 9 towards the raised position. The outer surface of the ring 22 also abuts against a helical rib of the helical thread 6 which also facilitates the movement of the second section 17 of the lower ring 9 towards the raised position.

When the second section 17 is in the raised position and the capsule 1 is in the released position, the capsule 1 can then be screwed again into the neck 2 of the container. During screwing, the lower ring 9 is rotated around the X axis and the second section 17 of the lower ring 9 rotates towards the lowered position as the capsule 1 is near the coupling collar 5. Advantageously, the The entire capping device is molded in one piece of synthetic material, such as polyethylene and preferably high density polyethylene. Advantageously, the capping device is molded in the configuration of the , that is to say in a closed position, a position in which it can be mounted directly on the neck 2 of the container.

Although the invention has been described in connection with various particular embodiments, it is more than obvious that it is not limited in any way by them and that it includes all the technical equivalents of the means described, as well as their combinations if they fall within the scope of the invention as defined by the claims.

The use of the verbs "constitute", "include" or "comprise" and their conjugated forms do not exclude the presence of elements or steps other than those established in a claim.

In the claims, any reference sign in parentheses should not be interpreted as limiting the claim.

Claims (11)

A capping device intended to be attached to a neck (2) of a container which comprises an orifice (3), the capping device comprising
- a capsule (1) which comprises an upper wall (13) and an outer peripheral skirt (14), the outer peripheral skirt (14) having a helical thread (7) formed of a series of ribs and intended to cooperate with a helical thread (6) formed on the neck (2) to allow
unscrewing the capsule (1) from the neck (2) around an X axis to move the capsule (1) from a closed position where the upper wall (13) closes the neck orifice (3) and the skirt external peripheral (14) surrounds the neck (2) in a released position where the capsule (1) is no longer attached to the neck (2); and
screwing the capsule (1) onto the neck (2) to move the capsule (1) from the released position to the closed position;
- a lower ring (9) held axially on the neck (2) and movable in rotation around the neck (2) along the X axis; and
- an articulation device which connects the capsule (1) to the lower ring (9), the articulation device comprising two blades (11, 12) which connect the outer peripheral skirt (14) and the lower ring (9) and are arranged to allow the capsule (1) to rotate between the released position and an open inclined position in which the capsule (1) disengages from the neck orifice (2),
the capping device further comprising a capsule blocker (1) configured to block the capsule (1) in the open inclined position, such a blocking device comprising a ring (22) which is formed on the outer peripheral skirt (14) , between the two blades (11, 12), and which is configured to rest against the neck (2) of the container when the capsule (1) is in the open inclined position, the ring (22) has an internal face where at least one of the ribs of the series of helical threads (7) is formed. A capping device according to claim 1, in which the lower ring (9) has a first sector (16) comprising coupling elements (18) which project radially into the lower ring (9) and are intended to be arranged under a collar. coupling (5) to retain the lower ring (9) axially in the neck (2) of the container and a second sector (17), the first sector (16) and the second sector (17) of the lower ring (9) are hinged together so that the second sector (17) rotates relative to the first sector (16) between a lowered position where the second sector (17) is intended to be positioned under the locking collar (5) and a raised position where the second sector (17) is intended to be positioned at least partially above the locking collar (5). A capping device according to claim 2, wherein the first sector (16) of the lower ring (9) has a front zone (19) which is diametrically opposed to the second sector (17) and two coupling zones (20, 21) which are each arranged between the front area (19) of the first sector (16) and the second sector (17), the coupling elements (18) are arranged only in the two coupling areas (20, 21) to allow radial displacement of the lower ring (9) capable of facilitating the passage of a part of the second sector (17) on each side of the coupling collar (5) during the movement of the second sector (17) between the lowered position and the released position. A capping device according to claim 3, wherein the coupling members (18) are protrusions which project radially inward. A capping device according to any one of claims 1 to 4, in which the articulation device (10) extends over a first angular interval which is cut into two equal parts by a bisector plane Pb and in which the helical thread ( 7) formed on the outer peripheral skirt (14) of the capsule (1) develops around the X axis in a first direction and has a lower end and an upper end, the lower end of the helical thread (7) being arranged in a second angular interval which is defined between the plane of bisector Pb and a radial plane positioned at 160 ° from the plane of bisector Pb in a second direction opposite to the first direction. Assembly comprising a container equipped with a neck (2) comprising a dispensing orifice (3), a coupling collar (5) and a helical thread (6) and a capping device according to any one of claims 1 to 5, the lower ring (9) being held axially on the neck (2) and moving in rotation around the neck (2) along the axis X. An assembly according to claim 6, in which the capping device also comprises a locking device configured to lock the capsule (1) in the open inclined position, such a locking device comprising a stopper (23) which projects radially outwards. of the capsule (1) and is configured to rest against the collar (5) of the neck (2) during movement of the capsule (1) from the tilted open position to the released position to exert a tensile force on the second sector (17) which has a radially outward directed component and an axially upward directed component to aid in movement of the second sector (17) between the lowered position and the raised position. An assembly according to claim 7, wherein the stopper (23) is configured such that, during movement of the capsule (1) from the released position to the open tilted position, the stopper (23) rests against an upper end of the second sector (17) of the lower ring (9) to move it from the raised position to the lowered position. Assembly according to claims 7 or 8, wherein the locking device also comprises a ring (22) which is formed on the outer peripheral skirt (14) of the capsule (1) and extends axially, the ring (22) being configured to rest against a helical rib of the helical thread (6) formed in the neck (2) of the container during a displacement of the capsule (1) from the open inclined position to the released position to exert a tensile force on the second sector ( 17) which has a component directed radially outward and a component directed axially upward to aid in the movement of the second sector (17) from the lowered position to the raised position. Assembly according to Claim 9, in which the articulation device (10) comprises two blades (11, 12) and in which the ring (22) is formed between the two blades (11, 12). An assembly according to claim 9, wherein the stopper (23) projects radially outwardly from the ring (22).