EP3235753B1 - Assembly for closing a tube, tube therewith and corresponding perforator cap - Google Patents

Assembly for closing a tube, tube therewith and corresponding perforator cap Download PDF

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Publication number
EP3235753B1
EP3235753B1 EP17165377.7A EP17165377A EP3235753B1 EP 3235753 B1 EP3235753 B1 EP 3235753B1 EP 17165377 A EP17165377 A EP 17165377A EP 3235753 B1 EP3235753 B1 EP 3235753B1
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EP
European Patent Office
Prior art keywords
teeth
cap
lid
assembly
tube
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.)
Active
Application number
EP17165377.7A
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German (de)
French (fr)
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EP3235753A1 (en
Inventor
Sylvain DEFERT
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.)
Albea Services SAS
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Albea Services SAS
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 FR1653453A external-priority patent/FR3050184B1/en
Application filed by Albea Services SAS filed Critical Albea Services SAS
Priority to PL17165377T priority Critical patent/PL3235753T3/en
Publication of EP3235753A1 publication Critical patent/EP3235753A1/en
Application granted granted Critical
Publication of EP3235753B1 publication Critical patent/EP3235753B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D35/00—Pliable tubular containers adapted to be permanently or temporarily deformed to expel contents, e.g. collapsible tubes for toothpaste or other plastic or semi-liquid material; Holders therefor
    • B65D35/44—Closures
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D51/00—Closures not otherwise provided for
    • B65D51/18—Arrangements of closures with protective outer cap-like covers or of two or more co-operating closures
    • B65D51/20—Caps, lids, or covers co-operating with an inner closure arranged to be opened by piercing, cutting, or tearing
    • B65D51/22—Caps, lids, or covers co-operating with an inner closure arranged to be opened by piercing, cutting, or tearing having means for piercing, cutting, or tearing the inner closure
    • B65D51/221—Caps, lids, or covers co-operating with an inner closure arranged to be opened by piercing, cutting, or tearing having means for piercing, cutting, or tearing the inner closure a major part of the inner closure being left inside the container after the opening
    • B65D51/222—Caps, lids, or covers co-operating with an inner closure arranged to be opened by piercing, cutting, or tearing having means for piercing, cutting, or tearing the inner closure a major part of the inner closure being left inside the container after the opening the piercing or cutting means being integral with, or fixedly attached to, the outer closure
    • B65D51/225—Caps, lids, or covers co-operating with an inner closure arranged to be opened by piercing, cutting, or tearing having means for piercing, cutting, or tearing the inner closure a major part of the inner closure being left inside the container after the opening the piercing or cutting means being integral with, or fixedly attached to, the outer closure and further comprising a device first inhibiting displacement of the outer closure
    • 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
    • B65D2251/00—Details relating to container closures
    • B65D2251/0003—Two or more closures
    • B65D2251/0006—Upper closure
    • B65D2251/0015—Upper closure of the 41-type
    • 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
    • B65D2251/00—Details relating to container closures
    • B65D2251/0003—Two or more closures
    • B65D2251/0068—Lower closure
    • B65D2251/0093—Membrane

Definitions

  • the present invention relates to the field of flexible tubes comprising a cap closing off the neck prior to the first use of the tube, and a perforating cap suitable for piercing the cap.
  • Tubes are known provided with a cover associated with a perforating cap comprising a punch adapted to perforate said cover.
  • the cap makes it possible to keep the product contained in the tube hermetically during its storage prior to its first use, which represents a very important part of the overall lifespan of the tube.
  • plugs in which the punch is placed in the plug and protrudes therefrom so as to be able to perforate the cover when the plug is screwed onto the tube head. It is in particular advantageous to have a stopper, the punch of which allows partial cutting of the cover.
  • a stopper the punch of which allows partial cutting of the cover.
  • tubes have already been proposed with which three turns are necessary to go from a position where the punch is flush with the cover to an end-of-travel position. During these three turns, the cap is pierced and then gradually sheared to achieve the desired partial cut.
  • said plug is configured to go from a position in which said teeth are flush with said cover, called flush position, to a position in which said teeth have pierced said cover, called piercing position, then from said position drilling at an end-of-travel position allowing partial cutting of said cover, the passage from said drilling position to said end-of-cut position being effected with an angular amplitude of rotation of less than 360 °.
  • the invention is based on the observation made by the applicant that it is possible to obtain a cutout of a cover with a reduced number of turns of the stopper by distinguishing between the angular amplitude necessary to pierce the cover, which will essentially depend on the elasticity of the latter, and the angular amplitude useful for cutting.
  • an angular cutting amplitude of less than 360 ° a partial, rapid and clean cutting of the cap is obtained when the tube is used for the first time. This facilitates the handling of the assembly by the user, in particular by saving time for cutting the cover.
  • stopper is understood to mean an object enabling a receptacle to be sealed off, in particular an outlet opening for a product, in a reversible manner.
  • a stopper according to the invention can thus pass from an open position to a closed position and vice versa, mainly by a screwing movement or the like.
  • closure assemblies such as a hinged service capsule, fixed on an opening definitively or not, and comprising a passage orifice for the outlet of the product and a folding cap making it possible to close said orifice.
  • said stopper is configured so that the passage from said standby position to said end-of-stroke position is effected with an angular amplitude of rotation between one and two turns, preferably one and a half turns, and so that the passage from said drilling position to said end-of-stroke position is effected with an angular amplitude of rotation, between 90 and 200 °.
  • the invention also relates to a tube according to claim 7 comprising an assembly as described. previously.
  • the invention also relates to a stopper according to claim 8 for an assembly or a tube as described above.
  • the tube head 3 a first variant of which is presented on figures 5 and 7 at 10, a second variant is presented at figure 6 and a third variant is shown figures 11 and 12 , comprises the neck 5 defining a longitudinal axis Z-Z ', a shoulder 11 and a solid insert 12 forming in its center the cover 12'. Said cover closes said neck 5, in the lower part of the latter. As shown here, said neck 5 and said shoulder 11 are designed in one piece and are continuously continuous. As regards the insert, it may be an insert such as that described in the application FR 2 994 947 .
  • Said neck 5 is here in the form of a cylinder extending from an upper end situated towards the outside of said tube towards a lower end opposite to the upper end and directed towards the inside of said tube.
  • Said upper end has an outlet orifice 5a allowing the outlet of said product contained in the tube.
  • the lower end is adjacent to said shoulder 11.
  • Said shoulder 11 extends from the lower end of said neck 5 towards an outer periphery, here cylindrical, in a direction essentially perpendicular to the Z-Z 'axis, that is to say corresponding to the part of the head of tube 3 flaring out from said neck 5.
  • Said shoulder 11 is configured so that a tube skirt can be fixed, in particular at its periphery, to form said tube.
  • the insert comprises a peripheral section, typically of frustoconical or disc shape, and a central section forming said cover, the diameter of which typically corresponds to the internal diameter of the neck 5, at its lower end.
  • the punch 9 projects axially from the rest of said stopper 7.
  • Said punch 9 is configured so as to be inserted inside the neck 5 of the tube head 3 when the stopper 7 is fixed on said neck 5.
  • Said punch 9 is derived in particular from material of said plug 7.
  • Said punch 9 makes it possible to cut and perforate the cover. It is therefore provided with three teeth 25. Said 25 are located at a distal end of said punch.
  • this is a partial cutout.
  • the cover thus remains linked to the rest of the insert, preventing any mixing of the material forming the insert with a product contained in the associated tube, and any possible distribution of this material to the user.
  • a longitudinal direction of the stopper 7 is defined, corresponding to the longitudinal axis ZZ 'of the neck 5 when the stopper 7 is fixed to the neck 5.
  • said punch 9 has a cylindrical section of revolution, the external diameter of which corresponds substantially. to the internal diameter of the neck, with one clearance.
  • the stopper 7 is configured to go from a position in which said teeth 25 are flush with said cover 12 ', called a flush position, to a position in which said teeth 25 have pierced said cover, without having started cutting. , called the drilling position, then from the drilling position to an end-of-travel position allowing partial cutting of said cover 12 ', the passage from said piercing position to said end-of-travel position being effected with an angular amplitude of rotation less than 360 °.
  • the end-of-travel position can also correspond to a closed position of said plug 7 as is the case in the figure 10 or 12 .
  • said cap In the closed position, said cap is cut and said neck 5 and said stopper 7 seal said tube.
  • said teeth 25 have a height greater than or equal to the axial travel of the plug 7 between said drilling position and said end-of-travel position.
  • the height of the teeth is measured, for example, from their large base to their opposite apex
  • said plug 25 is configured so that said partial cutout allows said cover 12 'to remain linked to said tube head by a bridge of material over an angular amplitude of between 20 and 50 °. Such an interval allows good retraction of the cover while limiting the risks that it will end up breaking during use.
  • said assembly is configured to have a standby position in which the punch 9 is kept at a distance from the cap as is the case in the figure 8 or the figure 11 .
  • said neck 5 and said stopper 7 are configured to allow themselves to maintain said stopper 7 fixed on said neck 5 in said standby position ( figure 8 or 11 ).
  • said neck 5 may for example comprise at least one guide groove 13 configured to cooperate with said plug 7.
  • said neck 5 comprises three grooves 13 allowing the passage of the plug 7 from the open and / or standby position to the end-of-travel and / or closed position.
  • the guide grooves 13 of said neck 5 are configured to cooperate with at least one element 15 projecting from said stopper 7, in particular to allow the passage of said stopper 7 from the open and / or standby position to the position. limit switch and / or closing.
  • said groove 13 extends over the outer surface of said neck 5 from the upper end of the neck 5 located near the outlet orifice 5a at the lower end opposite to said upper end. Said groove 13 also extends between two edges 17, extending radially from a bottom 19 of said groove 13. Preferably, said groove 13 is formed integrally with the neck 5.
  • Said stopper 7 is configured to pass from the open and / or standby position to the end-of-travel and / or closed position by at least one rotational movement, in particular screwing.
  • said rotational movement is also simultaneously accompanied by an axial movement along the Z-Z 'axis and this is a helical movement.
  • the passage of said plug 7 from the open and / or waiting position to the end-of-travel and / or closed position is reversible. It is thus possible to open said tube and then to close it after use, and vice versa.
  • said groove 13 has an inlet 131 located towards said outlet orifice 5a of said neck 5 and successive guide portions. It may in particular be a first portion 132 ensuring the standby position and other portions allowing passage from the standby position to the end-of-travel and / or closed position.
  • said first portion 132 is vertical with respect to the axis Z-Z '. It is followed by the second portion 133 which is helical with slope x, then by the third portion 134 which is helical with slope y. The slope y of the third helical portion 134 is greater than the slope x of the second helical portion 133. Said groove 13 finally ends with the last portion 135 which is horizontal with respect to the axis Z-Z '.
  • said neck 5 further comprises a guide ramp 21 configured to cooperate with at least one of the projecting elements 15 of said plug 7 to position the latter at the entrance 131 of said groove 13.
  • the ramp 21 of guide makes it possible to guide one of the protruding elements 15 of the stopper 7 in the first portion 132 of the guide groove 13.
  • said guide ramp 21 has a guiding direction opposite to the guiding direction of said groove 13 for the passage of said plug 7 from the open and / or waiting position to the end-of-travel position. and / or closure.
  • said guide ramp 21 has a guiding direction opposite to the guiding direction of said groove 13 for the passage of said plug 7 from the open and / or waiting position to the end-of-travel position. and / or closure.
  • said ramp 21 can also include a stop 23 for forcing the stop of one of said elements 15 projecting from the stopper 7 at the level of the entrance 131 of the groove 13.
  • the stop 23 is an extension of 'an edge of the first portion 132 of the groove 13 towards the orifice 5a of the neck 5.
  • the teeth 25 have an edge and / or a cutting end.
  • This is in particular a section 27 of the teeth, substantially parallel to the longitudinal axis of the stopper.
  • said teeth 25 may have the same height.
  • said punch 9 comprises three cutting teeth 25, the vertices of which are regularly distributed over 180 ° around the periphery of its distal end.
  • said teeth have a height of 1 to 3 mm, in particular of 1.4 to 2.1 mm, this in particular for a cover and / or an insert whose thickness is less than 0.3 mm ..
  • said teeth 25 may have different heights, in particular a second of said teeth 25 may have a height less than the stretch value of said cover.
  • said punch 9 has four cutting teeth 25, the vertices of which are regularly distributed over 180 ° around the periphery of its distal end.
  • Two of said teeth, called large teeth 25a have a height greater than the stretch value of said cover and two other of said teeth, called small teeth 25b, have a height less than the stretch value of said cover.
  • the large teeth 25a and the small teeth 25b are alternated.
  • Such a profile in particular the presence and the alternation of small 25b and large 25a teeth, also has the advantage of reducing and distributing the point of impact of the punch 9 on the cover during drilling and limits the risk of tearing of the operculum.
  • said teeth 25 have a triangular profile, in orthogonal projection on a plane parallel to the axis Z-Z '. They also have a bevelled profile at the level of the edge 27 shearing the cover and / or at their top. Such a triangular profile makes it possible to reinforce the tooth behind its bevelled part. This prevents the tooth from deforming during cutting. This also makes it possible to thin the tooth and consequently to obtain better shearing.
  • the triangle profile of the tooth thus makes it possible to obtain a tooth with a wider and more resistant base, in particular when drilling the cover while maintaining a sharp side (bevelled edge 27) for drilling then the cutting of the operculum.
  • Said teeth preferably have a curved profile, in particular along an arc of a circle centered on the Z-Z 'axis.
  • said neck 5 and said stopper 7 each comprise at least one locking means cooperating together to keep said stopper 7 in the standby position.
  • said means for blocking the neck 5 are one or more projecting elements 29a, 29b, 29c located on an external surface of said neck 5.
  • Said neck 5 thus comprises two projecting elements which are two lugs 29a, 29b located towards the entrance of said groove 13. More particularly, a first lug 29a is located at the entrance of the first portion of the groove 13. This lug 29a limits the upward axial movement along the axis ZZ 'of said stopper 7 and makes it possible to keep said stopper 7 fixed on said neck 5 and to prevent unwanted removal of said stopper 7.
  • the second lug 29b is located between the first and the second portions 132, 133 of the groove 13. It makes it possible to limit the rotational movement of said stopper 7 and in particular the exit of the stopper 7 from its waiting position and its engagement towards the end-of-travel position. In other words, this second lug 29b makes it possible to keep the punch 9 away from the cover and to avoid the perforation and / or the cutting of the latter without the intervention of the user before the first use.
  • said means for blocking the neck 5 are one or more projecting elements 29a, 29b and 29c located on an external surface of said neck 5.
  • Said elements projecting from said neck 5 are in particular protuberances 29a, 29b and 29c of the edges 17 of said groove 13 extending towards the inside of the groove 13.
  • said groove 13 has a first protuberance 29a located at the entrance. of the first portion 132 of the groove 13.
  • This first protuberance 29a limits the upward axial movement along the axis ZZ 'of said stopper 7 and makes it possible to keep said stopper 7 fixed on said neck 5 and to avoid unwanted withdrawal of it.
  • Said groove 13 also has a second protuberance 29b, of the same nature, located between the first and second portions 132, 133 of the groove 13.
  • This second protuberance 29b limits the rotational movement of said stopper 7. and in particular the exit of the plug 7 from its standby position and its engagement towards the end-of-travel position.
  • this second protuberance 29b makes it possible to keep the punch 9 away from the cover and to avoid the perforation and / or the cutting of the latter without the intervention of the user before the first use.
  • Said groove 13 also has a third protuberance 29c, of the same nature as the protuberances 29a, 29b, located on the edge 17 opposite to that comprising the first two protuberances 29a, 29b.
  • this third protuberance limits the rotational movement of said stopper 7 and in particular the exit of the stopper 7 from its standby position and its engagement towards the end-of-travel position.
  • the edges 17 of said groove 13 further include at least one protuberance 31 located in the last portion 135 making it possible to keep the stopper 7 in the closed position.
  • each edge 17 comprises a protuberance 31.
  • These protuberances 31 not only make it possible to keep the cap 7 in the closed position, but can also serve as a closure indicator for the user.
  • the resistance felt by the user when the projecting elements 15 of the cap 7 pass through the two protuberances 31, allows him to indicate that the cap 7 is at the end of its travel, that the latter is correctly closed and that the seal. is assured.
  • the stopper 7 comprises at least one protruding element 15 configured to cooperate with said protruding elements 29a, 29b, 29c from said neck 5 to maintain said stopper 7 in the standby position and to cooperate with said groove 13 of said neck 5 to allow the passage of said plug 7 from the standby position to the end-of-travel and / or closed position.
  • said plug 7 comprises three projecting elements 15, which makes it possible to balance and stabilize the plug 7 when it is in the standby position.
  • the protruding element or elements 15 of said plug 7 are located on the lower part of said plug 7 and are made from material thereof.
  • an upper surface 33 of said stopper 7 has at least one opening 35 in line with the protruding elements 15 of said stopper 7.
  • These openings 35 serve in particular for molding the stopper 7 and more particularly for molding the protruding elements 15.
  • the number of openings 35 is identical to the number of elements 15 projecting from said plug 7.
  • said elements 15 projecting from the plug 7 are pins of diameter substantially similar to the width of the guide grooves 13 to allow the pins to be guided by them.
  • the plug 7 comprises three pins regularly distributed over the lower part of said plug 7 and three openings 35 on its upper surface to the right of the pins.
  • said stopper 7 comprises on the internal face of its upper surface an extra thickness of material corresponding to a sealing ring 37 located radially set back from said openings.
  • Said sealing ring 37 is configured to cooperate with a ring seat 39, provided on an inner surface of the neck 5, at the upper end of said neck 5, when said stopper 7 is in the closed position as can be seen on the figure. figure 10 or 12 .
  • said stopper 7 is fixed on said neck 5 in its standby position.
  • the projecting elements 15 of said plug 7 are guided in the guide ramp 21 by a counterclockwise rotational movement. This step is visible at the figure 7 .
  • the protruding elements 15 of the plug 7 are then placed in the inlet 131 of the corresponding grooves 13 at the level of their first portion 132. They are held in abutment towards the right by the extension of the first portion 132 of the groove 13 and towards the bottom by the first lug 29a of said neck 5.
  • Said plug 7 is then placed in its waiting position by an axial downward movement, in which each projecting element 15 engaged in the groove 13 is snapped beyond the first lug 29a.
  • Said stopper 7 is then held in the waiting position by means of the first and second lugs 29a, 29b which limit its movement to the left (rotation) and upwards (translation) as described above. This waiting position is visible at the figure 8 .
  • each projecting element 15 of said plug 7 engaged in one of the grooves 13 at the level of the second portion 133 is snapped in beyond the second lug 29b and the plug 7 comes out of the standby position. This step is visible at the figure 9 .
  • the stopper 7 is held in place on the neck 5, at a distance from the cover, by complementary shapes provided on said stopper 7 and said neck 5.
  • the assembly according to the invention comprises a removable ring 50, placed around the neck 5, between the shoulder 11 of the tube head 3 and the stopper 7, to ensure such retention in place of said stopper 7 at a distance from the cover 12 ', before first use.
  • the plug 7 is in the standby position ( figure 11 ) thanks to the removable ring 50.
  • said neck 5 is provided, for example, with a helical thread 52, advantageously having a sufficiently steep slope to allow the cap 7 to be quickly screwed on.
  • Said plug 7 has three teeth.
  • the user removes the cap 7. He then has access to the removable ring 50, which he removes. He then repositioned the cap 7 which can be screwed by the user to its end-of-travel position ( figure 12 ) now that the ring 10 has been removed.
  • said end-of-travel position may correspond to the closed position of cap 7.
  • a passage amplitude between the flush position and the end-of-travel position is between 120 and 320 °.
  • the teeth 25 are angularly spaced from each other so that their angular stroke overlaps. In this way, the force perceived by the user for cutting is limited.
  • said plug 7 is configured so that the passage from said standby position to said end-of-stroke position is effected with an angular amplitude of rotation between one and two turns, preferably one and a half turns, and so that the passage from said drilling position to said end-of-stroke position is effected with an angular amplitude of rotation, between 90 and 200 °.
  • teeth 25 is symbolized by a square corresponding to the location of their cutting axial edge.
  • said teeth 25 have an identical height and said plug is configured so that an overlap of the angular travel between two angularly adjacent teeth is between 20 and 40 °.
  • said teeth 25 are four in number and are distributed regularly over 220 °, being separated from each other by approximately 73 °.
  • the angular travel of each tooth between the flush position and the end-of-travel position is 126 ° with a travel overlap between two neighboring teeth of 23 °.
  • the stroke required to go from the flush position to the drilling position is here about 30 °. It is illustrated ⁇ 1 for each tooth. The stroke then used for cutting is thus about 96 °. It is illustrated ⁇ 2 for each tooth.
  • the overlap areas are illustrated R and the area of the uncut cover 12 ′ is illustrated A. The latter is here 44 °.
  • Such an operation is obtained, for example, with a neck 5 and a stopper 7 having a screwing pitch of 10 mm and an axial displacement span of 3.5 mm between the flush position and the end-of-travel position.
  • a neck 5 and a stopper 7 having a screwing pitch of 10 mm and an axial displacement span of 3.5 mm between the flush position and the end-of-travel position.
  • higher pitches are also possible.
  • said teeth 25 have a height which decreases in the opposite direction of rotation of the stopper and said stopper is configured so that an overlap of the angular stroke between two angularly neighboring teeth is between 20 and 350 °.
  • the angular travel to go from the position where the tooth in question touches the cover to the position where it has pierced the cover, without starting the cut, is increasing, starting from the first tooth.
  • the angular overlap of cut between two angularly adjacent teeth decreases starting from the overlap between the first tooth and the second tooth.
  • said teeth 25 are three in number and are distributed regularly over 180 °, being separated from each other by approximately 90 °.
  • the angular travel of each tooth between the initial flush position, that is to say the flush position of the first tooth or highest tooth, and the end position of stroke is 229 ° with a decreasing cutting overlap between two neighboring teeth, here 89 ° between the first and the second tooth and 76 ° between the second and the third tooth.
  • the stroke required to go from the flush position to the drilling position is here about 50 ° for the first tooth, about 63 ° for the second tooth and about 76 ° for the third tooth. It is illustrated ⁇ 1 for each tooth.
  • the stroke then used for cutting is approximately 179 ° for the first tooth, 186 ° for the second tooth and 173 ° for the third tooth, taking into account the overlap zones. It is illustrated ⁇ 2 for each tooth.
  • the overlap areas are illustrated R and the area of the uncut seal 12 ′ is illustrated A. the latter is here 27 °.
  • Such an operation is obtained, for example, with a neck 5 and a plug 7 having a screwing pitch of 5.5 mm and an axial displacement span of 3.5 mm between the flush position and the end position of. race.
  • the invention also applies to smaller pitches.
  • the teeth advantageously have a triangular profile similar to that mentioned above.

Description

La présente invention concerne le domaine des tubes souples comprenant un opercule obturant le goulot préalablement à la première utilisation du tube, et un bouchon perforateur adapté pour réaliser le perçage de l'opercule.The present invention relates to the field of flexible tubes comprising a cap closing off the neck prior to the first use of the tube, and a perforating cap suitable for piercing the cap.

On connait des tubes munis d'un opercule associés à un bouchon perforateur comprenant un poinçon adapté pour perforer ledit opercule.Tubes are known provided with a cover associated with a perforating cap comprising a punch adapted to perforate said cover.

L'opercule permet de conserver le produit contenu dans le tube de manière hermétique pendant son stockage préalablement à sa première utilisation, ce qui représente une part très importante de la durée de vie globale du tube.The cap makes it possible to keep the product contained in the tube hermetically during its storage prior to its first use, which represents a very important part of the overall lifespan of the tube.

Il existe des bouchons dans lesquels le poinçon est disposé dans le bouchon et fait saillie de celui-ci de manière à pouvoir perforer l'opercule lorsque le bouchon est vissé sur la tête de tube. Il est en particulier avantageux de disposer d'un bouchon dont le poinçon permet une découpe partielle de l'opercule. On peut notamment citer les documents WO2008/029585 et WO2015/014553 qui proposent des bouchons permettant de réaliser une découpe partielle de l'opercule de sorte qu'une portion de l'opercule reste maintenue en position. En effet, avec une découpe complète, l'opercule risque d'être mélangé avec le contenu du tube.There are plugs in which the punch is placed in the plug and protrudes therefrom so as to be able to perforate the cover when the plug is screwed onto the tube head. It is in particular advantageous to have a stopper, the punch of which allows partial cutting of the cover. We can cite in particular the documents WO2008 / 029585 and WO2015 / 014553 which provide stoppers making it possible to produce a partial cutout of the cover so that a portion of the cover remains held in position. Indeed, with a complete cut, the cap risks being mixed with the contents of the tube.

De manière classique, plusieurs tours de rotation sont nécessaires pour qu'un bouchon passe d'une position d'ouverture à une position de fermeture. En particulier, il a déjà été proposé des tubes avec lesquels trois tours sont nécessaires pour passer d'une position où le poinçon affleure l'opercule à une position de fin de course. Lors de ces trois tours, l'opercule est percé puis cisaillé progressivement pour atteindre la découpe partielle désirée.Conventionally, several turns of rotation are necessary for a stopper to pass from an open position to a closed position. In particular, tubes have already been proposed with which three turns are necessary to go from a position where the punch is flush with the cover to an end-of-travel position. During these three turns, the cap is pierced and then gradually sheared to achieve the desired partial cut.

Il existe un besoin d'un ensemble pour la fermeture d'un tube qui permette de faciliter la manipulation du dit ensemble, notamment lors de la découpe partielle de l'opercule.There is a need for an assembly for closing a tube which makes it possible to facilitate handling of said assembly, in particular during partial cutting of the cover.

A cet effet, la présente invention propose un ensemble pour la fermeture d'un tube selon la revendication 1, ledit ensemble comprenant :

  • une tête de tube comprenant un goulot et un opercule obturant ledit goulot,
  • un bouchon comprenant un poinçon muni de trois dents,
lesdites dents étant configurées pour réaliser une découpe, notamment périphérique, dudit opercule.To this end, the present invention provides an assembly for closing a tube according to claim 1, said assembly comprising:
  • a tube head comprising a neck and a cap closing off said neck,
  • a stopper comprising a punch fitted with three teeth,
said teeth being configured to produce a cutout, in particular peripheral, of said cover.

Selon l'invention, ledit bouchon est configuré pour passer d'une position dans laquelle lesdites dents affleurent ledit opercule, dite position d'affleurement, à une position dans laquelle lesdites dents ont percé ledit opercule, dite position de perçage, puis de ladite position de perçage à une position de fin de course permettant une découpe partielle dudit opercule, le passage de ladite position de perçage à ladite position de fin de coupe s'effectuant avec une amplitude angulaire de rotation inférieure à 360 °.According to the invention, said plug is configured to go from a position in which said teeth are flush with said cover, called flush position, to a position in which said teeth have pierced said cover, called piercing position, then from said position drilling at an end-of-travel position allowing partial cutting of said cover, the passage from said drilling position to said end-of-cut position being effected with an angular amplitude of rotation of less than 360 °.

Ainsi, l'invention repose sur le constat fait par le déposant que l'on peut obtenir une découpe d'un opercule avec un nombre réduit de tours du bouchon en faisant la distinction entre l'amplitude angulaire nécessaire à percer l'opercule, qui va essentiellement dépendre de l'élasticité de ce dernier, et l'amplitude angulaire utile à la découpe. En prévoyant alors une amplitude angulaire de découpe inférieure à 360°, on obtient une découpe partielle, rapide et propre, de l'opercule lors de la première utilisation du tube. On facilite de la sorte la manipulation de l'ensemble par l'utilisateur, notamment par un gain de temps pour la découpe de l'opercule.Thus, the invention is based on the observation made by the applicant that it is possible to obtain a cutout of a cover with a reduced number of turns of the stopper by distinguishing between the angular amplitude necessary to pierce the cover, which will essentially depend on the elasticity of the latter, and the angular amplitude useful for cutting. By then providing an angular cutting amplitude of less than 360 °, a partial, rapid and clean cutting of the cap is obtained when the tube is used for the first time. This facilitates the handling of the assembly by the user, in particular by saving time for cutting the cover.

On entend par bouchon un objet permettant l'obturation étanche d'un réceptacle, notamment d'une ouverture de sortie d'un produit, de manière réversible. Un bouchon selon l'invention peut ainsi passer d'une position d'ouverture à une position de fermeture et inversement, principalement par un mouvement de vissage ou équivalent. La présente invention exclut les ensembles de fermeture, telle qu'une capsule service à charnière, fixés sur une ouverture de manière définitive ou non, et comprenant un orifice de passage pour la sortie du produit et une coiffe rabattable permettant d'obturer ledit orifice.The term “stopper” is understood to mean an object enabling a receptacle to be sealed off, in particular an outlet opening for a product, in a reversible manner. A stopper according to the invention can thus pass from an open position to a closed position and vice versa, mainly by a screwing movement or the like. The present invention excludes closure assemblies, such as a hinged service capsule, fixed on an opening definitively or not, and comprising a passage orifice for the outlet of the product and a folding cap making it possible to close said orifice.

Selon différents modes de réalisation de l'invention, qui pourront être pris ensemble ou séparément :

  • ladite tête de tube comprend en outre une épaule,
  • ledit goulot et ladite épaule sont conçus en une seule pièce,
  • ledit goulot et ladite épaule sont en continuité de matière,
  • la position de fin de course correspond à une position de fermeture dudit bouchon,
  • ledit poinçon présentent un diamètre externe correspondant sensiblement, à un diamètre interne du goulot, à un jeu près,
  • la hauteur de la ou desdites dents est supérieure ou égale à la course axiale du bouchon entre ladite position de perçage et ladite position de fin de course,
  • lesdites dents sont de profil triangulaire,
  • ledit bouchon est configuré pour qu'un chevauchement de la course angulaire entre deux dents angulairement voisines soit compris entre 20 et 350°,
  • ledit bouchon est configuré pour que ladite découpe partielle permette audit opercule de rester lié à ladite tête de tube par un pont de matière sur une amplitude angulaire comprise entre 20 et 50°,
  • ledit ensemble est configuré pour permettre le maintien dudit bouchon fixé sur ledit goulot dans une position d'attente dans laquelle le poinçon est maintenu à distance de l'opercule,
  • ledit goulot et ledit bouchon sont configurés pour assurer un maintien en place à distance dudit bouchon de l'opercule, en position d'attente, avant une première utilisation,
  • ledit goulot comprend au moins une rainure de guidage configurée pour coopérer avec ledit bouchon pour permettre le passage dudit bouchon de la position d'attente à la position de fin de course,
  • ledit ensemble comprend en outre une bague amovible, placée autour du goulot, entre l'épaule de la tête de tube et le bouchon, pour assurer un maintien en place à distance dudit bouchon de l'opercule, en position d'attente, avant une première utilisation,
  • ledit goulot comprend une extrémité supérieure située à proximité d'un orifice de sortie et une extrémité inférieure opposée à ladite extrémité supérieure,
  • ledit opercule est situé à l'extrémité inférieure du goulot,
  • ladite tête de tube comprend un insert,
  • ledit opercule définit une zone centrale de l'insert,
  • ledit insert revêt au moins en partie une face inférieure de ladite épaule.
According to different embodiments of the invention, which can be taken together or separately:
  • said tube head further comprises a shoulder,
  • said neck and said shoulder are designed in one piece,
  • said neck and said shoulder are in continuity of material,
  • the end-of-travel position corresponds to a closed position of said stopper,
  • said punch have an external diameter corresponding substantially, to an internal diameter of the neck, up to a clearance,
  • the height of said tooth (s) is greater than or equal to the axial stroke of the plug between said drilling position and said end-of-stroke position,
  • said teeth have a triangular profile,
  • said plug is configured so that an overlap of the angular travel between two angularly adjacent teeth is between 20 and 350 °,
  • said stopper is configured so that said partial cutout allows said cover to remain linked to said tube head by a material bridge over an angular amplitude of between 20 and 50 °,
  • said assembly is configured to allow said stopper fixed to said neck to be maintained in a standby position in which the punch is kept at a distance from the cap,
  • said neck and said stopper are configured to ensure that they are kept in place at a distance from said stopper of the cover, in the standby position, before first use,
  • said neck comprises at least one guide groove configured to cooperate with said stopper to allow the passage of said stopper from the standby position to the end-of-travel position,
  • said assembly further comprises a removable ring, placed around the neck, between the shoulder of the tube head and the stopper, to ensure that it is held in place at a distance from said stopper of the cover, in the standby position, before a first use,
  • said neck comprises an upper end located near an outlet orifice and a lower end opposite said upper end,
  • said cover is located at the lower end of the neck,
  • said tube head comprises an insert,
  • said cover defines a central zone of the insert,
  • said insert covers at least part of a lower face of said shoulder.

Selon un mode de réalisation avantageux, ledit bouchon est configuré pour que le passage de ladite position d'attente à ladite position de fin de course s'effectue avec une amplitude angulaire de rotation entre un et deux tours, de préférence un tour et demi, et pour que le passage de ladite position de perçage à ladite position de fin de course s'effectue avec une amplitude angulaire de rotation, comprise entre 90 et 200°.According to an advantageous embodiment, said stopper is configured so that the passage from said standby position to said end-of-stroke position is effected with an angular amplitude of rotation between one and two turns, preferably one and a half turns, and so that the passage from said drilling position to said end-of-stroke position is effected with an angular amplitude of rotation, between 90 and 200 °.

L'invention concerne aussi un tube selon la revendication 7 comprenant un ensemble tel que décrit
précédemment.The invention also relates to a tube according to claim 7 comprising an assembly as described.
previously.

L'invention concerne encore une bouchon selon la revendication 8 pour un ensemble ou un tube tel que décrit précédemment.The invention also relates to a stopper according to claim 8 for an assembly or a tube as described above.

D'autres caractéristiques, buts et avantages de l'invention ressortiront de la description qui suit, qui est purement illustrative et non limitative, et qui doit être lue en regard des dessins annexés, sur lesquels :

  • les figures 1 et 2 présentent une vue en perspective d'un premier mode de réalisation d'un bouchon pour un ensemble de fermeture ne faisant pas partie de l'invention ;
  • les figures 3 et 4 présentent une vue en perspective d'un second mode de réalisation d'un bouchon pour un ensemble de fermeture ne faisant pas partie de l'invention ;
  • la figure 5 présente une vue en perspective d'un tube, illustré partiellement, comprenant une première variante d'une tête de tube pour un ensemble destinée à coopérer avec un des bouchons des figures 1 à 4;
  • la figure 6 présente une vue en perspective d'un tube, illustré partiellement, comprenant une seconde variante d'une tête de tube pour un ensemble destinée à coopérer avec un des bouchons des figures 1 à 4 ;
  • la figure 7 présente une vue en en élévation du tube de la figure 5, sur lequel un bouchon des figures 1 à 4 est dirigé vers une position d'attente, la tête de tube et ledit bouchon formant un ensemble pour la fermeture de tube ;
  • la figure 8 reprend la figure 7, l'ensemble de fermeture étant dans la position d'attente ;
  • la figure 9 reprend la figure 7, l'ensemble de fermeture sortant de la position d'attente et amorçant une découpe de l'opercule ;
  • la figure 10 reprend la figure 7, l'ensemble de fermeture étant dans une position de fin de course et/ou de fermeture,
  • la figure 11 est une vue de coupe axiale illustrant une variante de réalisation de l'ensemble, en position d'attente,
  • la figure 12 reprend la figure 11, l'ensemble étant en position de fin de course et/ou de fermeture,
  • la figure 13 illustre de façon schématique une découpe de l'opercule selon un premier mode de réalisation ne faisant pas partie
    de l'invention,
  • la figure 14 illustre de façon schématique une découpe de l'opercule selon un second mode de réalisation faisant partie de l'invention.
Other characteristics, aims and advantages of the invention will emerge from the following description, which is purely illustrative and non-limiting, and which should be read in conjunction with the accompanying drawings, in which:
  • the figures 1 and 2 present a perspective view of a first embodiment of a cap for a closure assembly not forming part of the invention;
  • the figures 3 and 4 present a perspective view of a second embodiment of a cap for a closure assembly not forming part of the invention;
  • the figure 5 presents a perspective view of a tube, partially illustrated, comprising a first variant of a tube head for an assembly intended to cooperate with one of the caps of the figures 1 to 4 ;
  • the figure 6 shows a perspective view of a tube, partially illustrated, comprising a second variant of a tube head for an assembly intended to cooperate with one of the caps of the figures 1 to 4 ;
  • the figure 7 shows an elevational view of the tube of the figure 5 , on which a cap of figures 1 to 4 is directed to a standby position, the tube head and said plug forming an assembly for the tube closure;
  • the figure 8 takes it back figure 7 , the closure assembly being in the standby position;
  • the figure 9 takes it back figure 7 , the closure assembly coming out of the standby position and initiating a cutout of the cover;
  • the figure 10 takes it back figure 7 , the closure assembly being in an end-of-travel and / or closed position,
  • the figure 11 is an axial sectional view illustrating an alternative embodiment of the assembly, in the standby position,
  • the figure 12 takes it back figure 11 , the assembly being in the end of stroke and / or closing,
  • the figure 13 schematically illustrates a cutout of the cover according to a first embodiment not forming part
    of the invention,
  • the figure 14 schematically illustrates a cutout of the cap according to a second embodiment forming part of the invention.

Sur l'ensemble des figures, les éléments en commun sont repérés par des références numériques identiques.In all of the figures, the elements in common are identified by identical numerical references.

Comme illustré dans les différentes figures, l'invention concerne un ensemble pour la fermeture d'un tube, ledit ensemble 1 comprenant :

  • une tête de tube 3 comprenant un goulot 5 et un opercule obturant ledit goulot 5,
  • un bouchon 7 comprenant un poinçon 9 configuré pour réaliser une découpe dudit opercule.
As illustrated in the various figures, the invention relates to an assembly for closing a tube, said assembly 1 comprising:
  • a tube head 3 comprising a neck 5 and a cap closing off said neck 5,
  • a stopper 7 comprising a punch 9 configured to cut said cover.

La tête de tube 3, dont une première variante est présentée sur les figures 5 et 7 à 10, une seconde variante est présentée à la figure 6 et une troisième variante est représentée figures 11 et 12, comprend le goulot 5 définissant un axe longitudinal Z-Z', une épaule 11 et un insert 12 plein formant en son centre l'opercule 12'. Ledit opercule obture ledit goulot 5, en partie basse de ce dernier. Comme représenté ici, ledit goulot 5 et ladite épaule 11 sont conçus en une seule pièce et sont en continuité de manière. Pour ce qui est de l'insert, il pourra s'agir d'un insert tel que celui décrit dans la demande FR 2 994 947 .The tube head 3, a first variant of which is presented on figures 5 and 7 at 10, a second variant is presented at figure 6 and a third variant is shown figures 11 and 12 , comprises the neck 5 defining a longitudinal axis Z-Z ', a shoulder 11 and a solid insert 12 forming in its center the cover 12'. Said cover closes said neck 5, in the lower part of the latter. As shown here, said neck 5 and said shoulder 11 are designed in one piece and are continuously continuous. As regards the insert, it may be an insert such as that described in the application FR 2 994 947 .

Ledit goulot 5 est, ici, en forme de cylindre s'étendant d'une extrémité supérieure située vers l'extérieur dudit tube vers une extrémité inférieure opposée à l'extrémité supérieure et dirigée vers l'intérieur dudit tube. Ladite extrémité supérieure présente un orifice de sortie 5a permettant la sortie dudit produit contenu dans le tube. L'extrémité inférieure est adjacente à ladite épaule 11.Said neck 5 is here in the form of a cylinder extending from an upper end situated towards the outside of said tube towards a lower end opposite to the upper end and directed towards the inside of said tube. Said upper end has an outlet orifice 5a allowing the outlet of said product contained in the tube. The lower end is adjacent to said shoulder 11.

Ladite épaule 11 s'étend de l'extrémité inférieure dudit goulot 5 vers une périphérie externe, ici cylindrique, selon une direction essentiellement perpendiculaire à l'axe Z-Z', c'est-à-dire correspondant à la partie de la tête de tube 3 allant en s'évasant à partir dudit goulot 5. Ladite épaule 11 est configurée de manière à ce qu'une jupe de tube puisse être fixée, notamment au niveau de sa périphérie, pour former ledit tube.Said shoulder 11 extends from the lower end of said neck 5 towards an outer periphery, here cylindrical, in a direction essentially perpendicular to the Z-Z 'axis, that is to say corresponding to the part of the head of tube 3 flaring out from said neck 5. Said shoulder 11 is configured so that a tube skirt can be fixed, in particular at its periphery, to form said tube.

Plus précisément, l'insert comprend une section périphérique, typiquement de forme tronconique ou de disque, et une section centrale formant ledit opercule, dont le diamètre correspond typiquement au diamètre interne du goulot 5, au niveau de son extrémité inférieure.More precisely, the insert comprises a peripheral section, typically of frustoconical or disc shape, and a central section forming said cover, the diameter of which typically corresponds to the internal diameter of the neck 5, at its lower end.

Comme illustré en particulier aux figures 1 à 4, le poinçon 9 fait saillie axialement du reste dudit bouchon 7. Ledit poinçon 9 est configuré de manière à être inséré à l'intérieur du goulot 5 de la tête de tube 3 lorsque le bouchon 7 est fixé sur ledit goulot 5. Ledit poinçon 9 est notamment issu de matière dudit bouchon 7.As illustrated in particular in figures 1 to 4 , the punch 9 projects axially from the rest of said stopper 7. Said punch 9 is configured so as to be inserted inside the neck 5 of the tube head 3 when the stopper 7 is fixed on said neck 5. Said punch 9 is derived in particular from material of said plug 7.

Ledit poinçon 9 permet la découpe et la perforation de l'opercule. Il est pour cela muni de trois dents 25. Lesdites 25 sont situées au niveau d'une extrémité distale dudit poinçon.Said punch 9 makes it possible to cut and perforate the cover. It is therefore provided with three teeth 25. Said 25 are located at a distal end of said punch.

Il s'agit selon l'invention d'une découpe partielle. L'opercule demeure ainsi lié au reste de l'insert, prévenant tout mélange du matériau formant l'insert avec un produit contenu dans le tube associé, et une éventuelle distribution de ce matériau à l'utilisateur.According to the invention, this is a partial cutout. The cover thus remains linked to the rest of the insert, preventing any mixing of the material forming the insert with a product contained in the associated tube, and any possible distribution of this material to the user.

On définit une direction longitudinale du bouchon 7, correspondant à l'axe longitudinal Z-Z' du goulot 5 lorsque le bouchon 7 est fixé sur le goulot 5. De manière générale, ledit poinçon 9 présente une section cylindrique de révolution dont le diamètre externe correspond sensiblement au diamètre interne du goulot, à un jeu près.A longitudinal direction of the stopper 7 is defined, corresponding to the longitudinal axis ZZ 'of the neck 5 when the stopper 7 is fixed to the neck 5. In general, said punch 9 has a cylindrical section of revolution, the external diameter of which corresponds substantially. to the internal diameter of the neck, with one clearance.

Le bouchon 7 selon l'invention est configuré pour passer d'une position dans laquelle lesdites dents 25 affleurent ledit opercule 12', dite position d'affleurement, à une position dans laquelle lesdites dents 25 ont percé ledit opercule, sans avoir entamé de découpe, dite position de perçage, puis de la position de perçage à une position de fin de course permettant une découpe partielle dudit opercule 12', le passage de ladite position de perçage à ladite position de fin de course s'effectuant avec une amplitude angulaire de rotation inférieure à 360 °.The stopper 7 according to the invention is configured to go from a position in which said teeth 25 are flush with said cover 12 ', called a flush position, to a position in which said teeth 25 have pierced said cover, without having started cutting. , called the drilling position, then from the drilling position to an end-of-travel position allowing partial cutting of said cover 12 ', the passage from said piercing position to said end-of-travel position being effected with an angular amplitude of rotation less than 360 °.

En distinguant la partie de la course du bouchon servant à percer l'opercule, qui pourra varier en fonction de l'élasticité dudit opercule, de la partie servant à sa découpe, il est possible d'assurer une découpe partielle de l'opercule et ceci avec une amplitude angulaire restreinte, ce qui permet de limiter le nombre de tours nécessaires à la mise en service.By distinguishing the part of the stroke of the stopper used to pierce the cover, which may vary depending on the elasticity of said cover, from the part used for its cutting, it is possible to ensure a partial cutting of the cover and this with a restricted angular amplitude, which makes it possible to limit the number of turns necessary for commissioning.

La position de fin de course peut également correspondre à une position de fermeture dudit bouchon 7 comme cela est le cas dans la figure 10 ou 12. Dans la position de fermeture, ledit opercule est découpé et ledit goulot 5 et ledit bouchon 7 assurent une étanchéité dudit tube.The end-of-travel position can also correspond to a closed position of said plug 7 as is the case in the figure 10 or 12 . In the closed position, said cap is cut and said neck 5 and said stopper 7 seal said tube.

Selon un aspect de l'invention, lesdites dents 25 présentent une hauteur supérieure ou égale à la course axiale du bouchon 7 entre ladite position de perçage et ladite position de fin de course. La hauteur des dents est mesurée, par exemple, de leur grande base à leur sommet opposéAccording to one aspect of the invention, said teeth 25 have a height greater than or equal to the axial travel of the plug 7 between said drilling position and said end-of-travel position. The height of the teeth is measured, for example, from their large base to their opposite apex

Selon un autre aspect de l'invention, ledit bouchon 25 est configuré pour que ladite découpe partielle permette audit opercule 12' de rester lié à ladite tête de tube par un pont de matière sur une amplitude angulaire comprise entre 20 et 50°. Un tel intervalle permet un bon escamotage de l'opercule tout en limitant les risques qu'il finisse par se rompre en utilisation.According to another aspect of the invention, said plug 25 is configured so that said partial cutout allows said cover 12 'to remain linked to said tube head by a bridge of material over an angular amplitude of between 20 and 50 °. Such an interval allows good retraction of the cover while limiting the risks that it will end up breaking during use.

De façon avantageuse, ledit ensemble est configuré pour présenter une position d'attente dans laquelle le poinçon 9 est maintenu à distance de l'opercule comme cela est le cas dans la figure 8 ou la figure 11.Advantageously, said assembly is configured to have a standby position in which the punch 9 is kept at a distance from the cap as is the case in the figure 8 or the figure 11 .

Selon un premier mode de réalisation, ledit goulot 5 et ledit bouchon 7 sont configurés pour permettre par eux-mêmes de maintenir ledit bouchon 7 fixé sur ledit goulot 5 dans ladite position d'attente (figure 8 ou 11).According to a first embodiment, said neck 5 and said stopper 7 are configured to allow themselves to maintain said stopper 7 fixed on said neck 5 in said standby position ( figure 8 or 11 ).

Pour assurer le passage du bouchon 7 d'une position d'ouverture et/ou de ladite position d'attente à la position de fin de course et/ou de fermeture, ledit goulot 5 peut comprendre par exemple au moins une rainure 13 de guidage configurée pour coopérer avec ledit bouchon 7. Dans les modes de réalisation représentés aux figure 5 et 6, ledit goulot 5 comprend trois rainures 13 permettant le passage du bouchon 7 de la position d'ouverture et/ou d'attente à la position de fin de course et/ou de fermeture.To ensure the passage of the stopper 7 from an open position and / or from said standby position to the end-of-travel and / or closed position, said neck 5 may for example comprise at least one guide groove 13 configured to cooperate with said plug 7. In the embodiments shown in figure 5 and 6 , said neck 5 comprises three grooves 13 allowing the passage of the plug 7 from the open and / or standby position to the end-of-travel and / or closed position.

Plus particulièrement, les rainures 13 de guidage dudit goulot 5 sont configurées pour coopérer avec au moins un élément 15 en saillie dudit bouchon 7, notamment pour permettre le passage dudit bouchon 7 de la position d'ouverture et/ou d'attente à la position de fin de course et/ou de fermeture.More particularly, the guide grooves 13 of said neck 5 are configured to cooperate with at least one element 15 projecting from said stopper 7, in particular to allow the passage of said stopper 7 from the open and / or standby position to the position. limit switch and / or closing.

Ainsi, ladite rainure 13 s'étend sur la surface externe dudit goulot 5 de l'extrémité supérieure du goulot 5 située à proximité de l'orifice de sortie 5a à l'extrémité inférieure opposée à ladite extrémité supérieure. Ladite rainure 13 s'étend également entre deux bords 17, s'étendant radialement depuis un fond 19 de ladite rainure 13. De préférence, ladite rainure 13 est issue de matière avec le goulot 5.Thus, said groove 13 extends over the outer surface of said neck 5 from the upper end of the neck 5 located near the outlet orifice 5a at the lower end opposite to said upper end. Said groove 13 also extends between two edges 17, extending radially from a bottom 19 of said groove 13. Preferably, said groove 13 is formed integrally with the neck 5.

Ledit bouchon 7 est configuré pour passer de la position d'ouverture et/ou d'attente à la position de fin de course et/ou de fermeture par au moins un mouvement de rotation, notamment de vissage.Said stopper 7 is configured to pass from the open and / or standby position to the end-of-travel and / or closed position by at least one rotational movement, in particular screwing.

Notamment, dans les modes de réalisation représentés ici, ledit mouvement de rotation est également accompagné simultanément d'un mouvement axial selon l'axe Z-Z' et il s'agit d'un mouvement hélicoïdale.In particular, in the embodiments shown here, said rotational movement is also simultaneously accompanied by an axial movement along the Z-Z 'axis and this is a helical movement.

De façon avantageuse, le passage dudit bouchon 7 de la position d'ouverture et/ou d'attente à la position de fin de course et/ou de fermeture est réversible. Il est ainsi possible d'ouvrir ledit tube puis de le fermer après utilisation, et inversement.Advantageously, the passage of said plug 7 from the open and / or waiting position to the end-of-travel and / or closed position is reversible. It is thus possible to open said tube and then to close it after use, and vice versa.

De façon avantageuse, ladite rainure 13 présente une entrée 131 située vers ledit orifice de sortie 5a dudit goulot 5 et des portions de guidage successives. Il peut s'agir notamment d'une première portion 132 assurant la position d'attente et d'autres portions permettant le passage de la position d'attente à la position de fin de course et/ou de fermeture.Advantageously, said groove 13 has an inlet 131 located towards said outlet orifice 5a of said neck 5 and successive guide portions. It may in particular be a first portion 132 ensuring the standby position and other portions allowing passage from the standby position to the end-of-travel and / or closed position.

En particulier, ladite rainure 13 présente :

  • une première portion 132 assurant la position d'attente,
  • une seconde portion 133 permettant de sortir ledit bouchon 7 de la position d'attente,
  • une troisième portion 134 permettant le passage dudit bouchon 7 par la position d'affleurement puis par la position de perçage,
  • une dernière portion 135 permettant le passage dudit bouchon 7 en position de fermeture.
In particular, said groove 13 has:
  • a first portion 132 ensuring the waiting position,
  • a second portion 133 enabling said plug 7 to be removed from the standby position,
  • a third portion 134 allowing said plug 7 to pass through the flush position then through the piercing position,
  • a last portion 135 allowing the passage of said plug 7 in the closed position.

Dans les deux variantes de tête de tube 3 représentées ici, ladite première portion 132 est verticale par rapport à l'axe Z-Z'. Elle est suivie par la seconde portion 133 qui est hélicoïdale de pente x, puis par la troisième portion 134 qui est hélicoïdale de pente y. La pente y de la troisième portion 134 hélicoïdale est supérieure à la pente x de la deuxième portion 133 hélicoïdale. Ladite rainure 13 se termine enfin par la dernière portion 135 qui est horizontale par rapport à l'axe Z-Z'.In the two variants of the tube head 3 shown here, said first portion 132 is vertical with respect to the axis Z-Z '. It is followed by the second portion 133 which is helical with slope x, then by the third portion 134 which is helical with slope y. The slope y of the third helical portion 134 is greater than the slope x of the second helical portion 133. Said groove 13 finally ends with the last portion 135 which is horizontal with respect to the axis Z-Z '.

Dans ces deux variantes, ledit goulot 5 comprend en outre une rampe 21 de guidage configurée pour coopérer avec au moins un des éléments 15 en saillie dudit bouchon 7 pour positionner celui-ci à l'entrée 131 de ladite rainure 13. La rampe 21 de guidage permet de guider un des éléments 15 en saillie du bouchon 7 dans la première portion 132 de la rainure 13 de guidage.In these two variants, said neck 5 further comprises a guide ramp 21 configured to cooperate with at least one of the projecting elements 15 of said plug 7 to position the latter at the entrance 131 of said groove 13. The ramp 21 of guide makes it possible to guide one of the protruding elements 15 of the stopper 7 in the first portion 132 of the guide groove 13.

De façon avantageuse, ladite rampe 21 de guidage présente une direction de guidage inverse à la direction de guidage de la dite rainure 13 pour le passage dudit bouchon 7 de la position d'ouverture et/ou d'attente à la position de fin de course et/ou de fermeture. Ainsi, pour positionner un desdits éléments 15 en saillie dudit bouchon 7 dans l'entrée 131 de ladite rainure 13, il est nécessaire de faire un mouvement de rotation dans un sens opposé à celui qui sera opéré dans la rainure 13. Ce mouvement de rotation est généralement réalisé par une machine de manière automatisée. Une fois ledit bouchon 7 mis en position d'attente, il est nécessaire de faire un mouvement de rotation dans un sens opposé à celui appliqué dans la rampe 21 de guidage, généralement dans le sens de rotation classique de fermeture d'un bouchon 7 qui est généralement le sens des aiguilles d'une montre, ceci pour sortir le bouchon 7 de la position d'attente et amorcer le passage vers la position de fin de course et/ou de fermeture. Ce double sens de rotation, permet d'éviter que la machine, lors de la mise en place du bouchon 7 en position d'attente, effectue une rotation trop importante, amorce un passage vers la position de fin de course et que le poinçon 9 endommage l'opercule avant l'utilisation du tube.Advantageously, said guide ramp 21 has a guiding direction opposite to the guiding direction of said groove 13 for the passage of said plug 7 from the open and / or waiting position to the end-of-travel position. and / or closure. Thus, to position one of said protruding elements 15 from said plug 7 in the inlet 131 of said groove 13, it is necessary to make a rotational movement in a direction opposite to that which will be made in the groove 13. This rotational movement is generally carried out by a machine in an automated manner. Once said stopper 7 is placed in the standby position, it is necessary to make a rotational movement in a direction opposite to that applied in the guide ramp 21, generally in the conventional direction of rotation of closing a stopper 7 which is generally clockwise, in order to take the plug 7 out of the standby position and initiate the passage towards the end-of-travel and / or closed position. This double direction of rotation makes it possible to prevent the machine, when placing the plug 7 in the standby position, from rotating too much, initiating a passage towards the end-of-travel position and that the punch 9 damages the gate before using the tube.

De façon avantageuse, ladite rampe 21 peut également comprendre une butée 23 pour forcer l'arrêt d'un desdits éléments 15 en saillie du bouchon 7 au niveau de l'entrée 131 de la rainure 13. Ici, la butée 23 est une prolongation d'un bord de la première portion 132 de la rainure 13 en direction de l'orifice 5a du goulot 5.Advantageously, said ramp 21 can also include a stop 23 for forcing the stop of one of said elements 15 projecting from the stopper 7 at the level of the entrance 131 of the groove 13. Here, the stop 23 is an extension of 'an edge of the first portion 132 of the groove 13 towards the orifice 5a of the neck 5.

Avantageusement, les dents 25 présentent un bord et/ou une extrémité coupante. Il s'agit ici en particulier d'une tranche 27 des dents, sensiblement parallèle à l'axe longitudinale du bouchon. Dans la suite de la description lorsque l'on parlera de la position relative des dents entre elles, on parlera plus précisément de la position relative desdits bords tranchants 27.Advantageously, the teeth 25 have an edge and / or a cutting end. This is in particular a section 27 of the teeth, substantially parallel to the longitudinal axis of the stopper. In the remainder of the description, when we will talk about the relative position of the teeth between them, we will talk more specifically about the relative position of said cutting edges 27.

Dans une première variante telle que celle représentée aux figures 1 et 2, qui ne fait pas partie de l'invention, lesdites
dents 25 peuvent présenter une hauteur identique. Notamment, dans cette variante, ledit poinçon 9 comprend trois dents 25 de découpe dont les sommets sont régulièrement réparties sur 180 ° du pourtour de son extrémité distale.In a first variant such as that shown in figures 1 and 2 , which is not part of the invention, said
teeth 25 may have the same height. In particular, in this variant, said punch 9 comprises three cutting teeth 25, the vertices of which are regularly distributed over 180 ° around the periphery of its distal end.

A titre d'exemple, lesdites dents présentent une hauteur de 1 à 3 mm, en particulier de 1,4 à 2,1 mm, ceci en particulier pour un opercule et/ou un insert dont l'épaisseur est inférieure à 0,3 mm..By way of example, said teeth have a height of 1 to 3 mm, in particular of 1.4 to 2.1 mm, this in particular for a cover and / or an insert whose thickness is less than 0.3 mm ..

Dans une seconde variante telle que celle représentée aux figures 3 et 4, qui ne fait pas partie de l'invention, lesdites
dents 25 peuvent présenter des hauteurs différentes, notamment une seconde desdites dents 25 peut présenter une hauteur inférieure à la valeur d'étirement dudit opercule.In a second variant such as that shown in figures 3 and 4 , which is not part of the invention, said
teeth 25 may have different heights, in particular a second of said teeth 25 may have a height less than the stretch value of said cover.

Ainsi, dans cette variante, ledit poinçon 9 présente quatre dents 25 de découpe dont les sommets sont régulièrement réparties sur 180 ° du pourtour de son extrémité distale. Deux desdites dents, dites grandes dents 25a, présentent une hauteur supérieure à la valeur d'étirement dudit opercule et deux autres desdites dents, dites petites dents 25b, présentent une hauteur inférieure à la valeur d'étirement dudit opercule. Les grandes dents 25a et les petites dents 25b sont alternées.Thus, in this variant, said punch 9 has four cutting teeth 25, the vertices of which are regularly distributed over 180 ° around the periphery of its distal end. Two of said teeth, called large teeth 25a, have a height greater than the stretch value of said cover and two other of said teeth, called small teeth 25b, have a height less than the stretch value of said cover. The large teeth 25a and the small teeth 25b are alternated.

Avec un tel profil de poinçon 9, l'opercule est percé par les deux grandes dents 25a, puis il est rapidement cisaillé par ces deux grandes dents 25a avec l'aide des petites dents 25b pour finalement obtenir une découpe propre et partielle de l'opercule en un nombre restreint de tours du bouchon 7, notamment ici, en moins d'un demi-tour.With such a punch profile 9, the seal is pierced by the two large teeth 25a, then it is quickly sheared by these two large teeth 25a with the help of the small teeth 25b to finally obtain a clean and partial cut of the cover in a small number of turns of the stopper 7, in particular here, in less than half a turn.

Un tel profil, notamment la présence et l'alternance des petites 25b et grandes dents 25a, a également l'avantage de réduire et de répartir les point d'impacts du poinçon 9 sur l'opercule lors du perçage et limite les risque d'arrachage de l'opercule.Such a profile, in particular the presence and the alternation of small 25b and large 25a teeth, also has the advantage of reducing and distributing the point of impact of the punch 9 on the cover during drilling and limits the risk of tearing of the operculum.

Dans ces deux variantes, lesdites dents 25 sont de profil triangulaire, en projection orthogonale sur un plan parallèle à l'axe Z-Z'. Elles présentent également un profil biseauté au niveau de la tranche 27 cisaillant l'opercule et/ou à leur sommet. Un tel profil triangulaire permet de renforcer la dent à l'arrière de sa partie biseauté. On évite donc que la dent ne se déforme lors de la découpe. Ceci permet aussi d'amincir la dent et d'obtenir par conséquent un meilleur cisaillement. Le profil en triangle de la dent permet de la sorte d'obtenir une dent avec une base plus large et plus résistante, en particulier au moment du perçage de l'opercule tout en conservant un côté acéré (tranche 27 biseautée) pour le perçage puis la découpe de l'opercule.In these two variants, said teeth 25 have a triangular profile, in orthogonal projection on a plane parallel to the axis Z-Z '. They also have a bevelled profile at the level of the edge 27 shearing the cover and / or at their top. Such a triangular profile makes it possible to reinforce the tooth behind its bevelled part. This prevents the tooth from deforming during cutting. This also makes it possible to thin the tooth and consequently to obtain better shearing. The triangle profile of the tooth thus makes it possible to obtain a tooth with a wider and more resistant base, in particular when drilling the cover while maintaining a sharp side (bevelled edge 27) for drilling then the cutting of the operculum.

Lesdites dents présentent préférentiellement un profil courbe, notamment selon un arc de cercle centré sur l'axe Z-Z'.Said teeth preferably have a curved profile, in particular along an arc of a circle centered on the Z-Z 'axis.

De façon avantageuse, ledit goulot 5 et ledit bouchon 7 comprennent chacun au moins un moyen de blocage coopérant ensemble pour maintenir ledit bouchon 7 en position d'attente.Advantageously, said neck 5 and said stopper 7 each comprise at least one locking means cooperating together to keep said stopper 7 in the standby position.

Dans le mode de réalisation représenté aux figures 5 et 7 à 10, le ou lesdits moyens de blocage du goulot 5 sont un ou des éléments 29a, 29b, 29c en saillie situés sur une surface externe dudit goulot 5.In the embodiment shown in figures 5 and 7 to 10 , said means for blocking the neck 5 are one or more projecting elements 29a, 29b, 29c located on an external surface of said neck 5.

Ledit goulot 5 comprend ainsi deux éléments en saillie qui sont deux ergots 29a, 29b situées vers l'entrée de ladite rainure 13. Plus particulièrement, un premier ergot 29a est situé à l'entrée de la première portion de la rainure 13. Cet ergot 29a limite le mouvement axial vers le haut selon l'axe Z-Z' dudit bouchon 7 et permet de maintenir ledit bouchon 7 fixé sur ledit goulot 5 et d'éviter un retrait non désiré dudit bouchon 7. Le second ergot 29b est situé entre la première et la seconde portions 132, 133 de la rainure 13. Il permet de limiter le mouvement en rotation dudit bouchon 7 et notamment la sortie du bouchon 7 de sa position d'attente et son engagement vers la position de fin de course. Autrement dit, ce second ergot 29b permet de maintenir le poinçon 9 éloigné de l'opercule et d'éviter la perforation et/ou la découpe de celle-ci sans l'intervention de l'utilisateur avant la première utilisation.Said neck 5 thus comprises two projecting elements which are two lugs 29a, 29b located towards the entrance of said groove 13. More particularly, a first lug 29a is located at the entrance of the first portion of the groove 13. This lug 29a limits the upward axial movement along the axis ZZ 'of said stopper 7 and makes it possible to keep said stopper 7 fixed on said neck 5 and to prevent unwanted removal of said stopper 7. The second lug 29b is located between the first and the second portions 132, 133 of the groove 13. It makes it possible to limit the rotational movement of said stopper 7 and in particular the exit of the stopper 7 from its waiting position and its engagement towards the end-of-travel position. In other words, this second lug 29b makes it possible to keep the punch 9 away from the cover and to avoid the perforation and / or the cutting of the latter without the intervention of the user before the first use.

Dans le mode de réalisation représenté à la figure 6, le ou lesdits moyens de blocage du goulot 5 sont un ou des éléments 29a, 29b et 29c en saillie situés sur une surface externe dudit goulot 5.In the embodiment shown in figure 6 , said means for blocking the neck 5 are one or more projecting elements 29a, 29b and 29c located on an external surface of said neck 5.

Lesdits éléments en saillie dudit goulot 5 sont notamment des excroissances 29a, 29b et 29c des bords 17 de ladite rainure 13 s'étendant vers l'intérieur de la rainure 13. Ainsi, ladite rainure 13 présente une première excroissance 29a située à l'entrée de la première portion 132 de la rainure 13. Cette première excroissance 29a limite le mouvement axial vers le haut selon l'axe Z-Z' dudit bouchon 7 et permet de maintenir ledit bouchon 7 fixé sur ledit goulot 5 et d'éviter un retrait non désiré de celui-ci.Said elements projecting from said neck 5 are in particular protuberances 29a, 29b and 29c of the edges 17 of said groove 13 extending towards the inside of the groove 13. Thus, said groove 13 has a first protuberance 29a located at the entrance. of the first portion 132 of the groove 13. This first protuberance 29a limits the upward axial movement along the axis ZZ 'of said stopper 7 and makes it possible to keep said stopper 7 fixed on said neck 5 and to avoid unwanted withdrawal of it.

Ladite rainure 13 présente également une seconde excroissance 29b, de même nature, située entre la première et la seconde portions 132, 133 de la rainure 13. Cette seconde excroissance 29b limite le mouvement en rotation dudit bouchon 7 et notamment la sortie du bouchon 7 de sa position d'attente et son engagement vers la position de fin de course. Autrement dit, cette seconde excroissance 29b permet de maintenir le poinçon 9 éloigné de l'opercule et d'éviter la perforation et/ou la découpe de celle-ci sans l'intervention de l'utilisateur avant la première utilisation.Said groove 13 also has a second protuberance 29b, of the same nature, located between the first and second portions 132, 133 of the groove 13. This second protuberance 29b limits the rotational movement of said stopper 7. and in particular the exit of the plug 7 from its standby position and its engagement towards the end-of-travel position. In other words, this second protuberance 29b makes it possible to keep the punch 9 away from the cover and to avoid the perforation and / or the cutting of the latter without the intervention of the user before the first use.

Ladite rainure 13 présente, en outre, une troisième excroissance 29c, de même nature que les excroissances 29a, 29b, située sur le bord 17 opposé à celui comprenant les deux premières excroissances 29a, 29b. Comme l'excroissance 29b, cette troisième excroissance limite le mouvement en rotation dudit bouchon 7 et notamment la sortie du bouchon 7 de sa position d'attente et son engagement vers la position de fin de course.Said groove 13 also has a third protuberance 29c, of the same nature as the protuberances 29a, 29b, located on the edge 17 opposite to that comprising the first two protuberances 29a, 29b. Like the protuberance 29b, this third protuberance limits the rotational movement of said stopper 7 and in particular the exit of the stopper 7 from its standby position and its engagement towards the end-of-travel position.

Dans ce mode de réalisation, les bords 17 de ladite rainure 13 comprennent en outre au moins une excroissance 31 située dans la dernière portion 135 permettant de maintenir le bouchon 7 en position de fermeture. Ici, chaque bord 17 comprend une excroissance 31. Ces excroissances 31 permettent non seulement de maintenir le bouchon 7 en position fermée, mais peuvent également servir de témoin de fermeture à l'utilisateur. Ainsi, la résistance ressentie par l'utilisateur lorsque les éléments 15 en saillie du bouchon 7 franchissent les deux excroissances 31, permet de lui indiquer que le bouchon 7 est en fin de course, que celui-ci est correctement fermé et que l'étanchéité est assurée.In this embodiment, the edges 17 of said groove 13 further include at least one protuberance 31 located in the last portion 135 making it possible to keep the stopper 7 in the closed position. Here, each edge 17 comprises a protuberance 31. These protuberances 31 not only make it possible to keep the cap 7 in the closed position, but can also serve as a closure indicator for the user. Thus, the resistance felt by the user when the projecting elements 15 of the cap 7 pass through the two protuberances 31, allows him to indicate that the cap 7 is at the end of its travel, that the latter is correctly closed and that the seal. is assured.

Comme mentionné précédemment, dans les deux modes de réalisations représentés aux figures 1 à 4, le bouchon 7 comprend au moins un élément 15 en saillie configuré pour coopérer avec lesdits éléments 29a, 29b, 29c en saillie dudit goulot 5 pour maintenir ledit bouchon 7 en position d'attente et pour coopérer avec ladite rainure 13 dudit goulot 5 pour permettre le passage dudit bouchon 7 de la position d'attente à la position de fin de course et/ou de fermeture.As mentioned above, in the two embodiments shown in figures 1 to 4 , the stopper 7 comprises at least one protruding element 15 configured to cooperate with said protruding elements 29a, 29b, 29c from said neck 5 to maintain said stopper 7 in the standby position and to cooperate with said groove 13 of said neck 5 to allow the passage of said plug 7 from the standby position to the end-of-travel and / or closed position.

Dans ces deux modes de réalisation, ledit bouchon 7 comprend trois éléments 15 en saillie, ce qui permet d'équilibrer et stabiliser le bouchon 7 lorsqu'il est en position d'attente.In these two embodiments, said plug 7 comprises three projecting elements 15, which makes it possible to balance and stabilize the plug 7 when it is in the standby position.

De façon avantageuse, le ou les éléments 15 en saillie dudit bouchon 7 sont situés sur la partie inférieure dudit bouchon 7 et sont issus de matière de celui-ci.Advantageously, the protruding element or elements 15 of said plug 7 are located on the lower part of said plug 7 and are made from material thereof.

De façon avantageuse, une surface supérieure 33 dudit bouchon 7 présente au moins une ouverture 35 au droit des éléments 15 en saillie dudit bouchon 7. Ces ouvertures 35 servent notamment au moulage du bouchon 7 et plus particulièrement au moulage des éléments 15 en saillie. Ainsi, le nombre d'ouvertures 35 est identique au nombre d'éléments 15 en saillie du dudit bouchon 7.Advantageously, an upper surface 33 of said stopper 7 has at least one opening 35 in line with the protruding elements 15 of said stopper 7. These openings 35 serve in particular for molding the stopper 7 and more particularly for molding the protruding elements 15. Thus, the number of openings 35 is identical to the number of elements 15 projecting from said plug 7.

Dans le bouchon 7 représenté ici, lesdits éléments 15 en saillie du bouchon 7 sont des pions de diamètre sensiblement similaire à la largeur des rainures 13 de guidage pour permettre aux pions d'être guidés par celles-ci. Ici, le bouchon 7 comprend trois pions régulièrement répartis sur la partie inférieure dudit bouchon 7 et trois ouvertures 35 sur sa surface supérieure au droit des pions.In the plug 7 shown here, said elements 15 projecting from the plug 7 are pins of diameter substantially similar to the width of the guide grooves 13 to allow the pins to be guided by them. Here, the plug 7 comprises three pins regularly distributed over the lower part of said plug 7 and three openings 35 on its upper surface to the right of the pins.

Pour assurer l'étanchéité du tube lorsque le bouchon 7 est en position de fermeture, ledit bouchon 7 comprend sur la face interne de sa surface supérieure une surépaisseur de matière correspondant à un jonc 37 d'étanchéité situé radialement en retrait desdites ouvertures. Ledit jonc 37 d'étanchéité est configuré pour coopérer avec un siège 39 de jonc, prévue sur une surface intérieure du goulot 5, à l'extrémité supérieure dudit goulot 5, lorsque ledit bouchon 7 est en position de fermeture comme cela est visible sur la figure 10 ou 12.To ensure the tightness of the tube when the stopper 7 is in the closed position, said stopper 7 comprises on the internal face of its upper surface an extra thickness of material corresponding to a sealing ring 37 located radially set back from said openings. Said sealing ring 37 is configured to cooperate with a ring seat 39, provided on an inner surface of the neck 5, at the upper end of said neck 5, when said stopper 7 is in the closed position as can be seen on the figure. figure 10 or 12 .

Différentes étapes pour le placement du bouchon 7 dans sa position d'attente et pour son passage de la position d'attente à la position de fin de course et/ou de fermeture vont maintenant être décrites. Ces étapes se réfèrent au mode de réalisation de la rainure 13 représenté à la figure 5.Different steps for placing the plug 7 in its waiting position and for its passage from the waiting position to the end-of-travel and / or closed position will now be described. These steps refer to the embodiment of the groove 13 shown in figure 5 .

Dans un premier temps, ledit bouchon 7 est fixé sur ledit goulot 5 dans sa position d'attente. Pour cela, les éléments 15 en saillie dudit bouchon 7 sont guidés dans la rampe 21 de guidage par un mouvement de rotation dans le sens inverse des aiguilles d'une montre. Cette étape est visible à la figure 7.Initially, said stopper 7 is fixed on said neck 5 in its standby position. For this, the projecting elements 15 of said plug 7 are guided in the guide ramp 21 by a counterclockwise rotational movement. This step is visible at the figure 7 .

Les éléments 15 en saillie du bouchon 7 sont alors placés dans l'entrée 131 des rainures 13 correspondantes au niveau de leur première portion 132. Ils sont maintenus en butée vers la droite par la prolongation de la première portion 132 de la rainure 13 et vers le bas par le premier ergot 29a dudit goulot 5.The protruding elements 15 of the plug 7 are then placed in the inlet 131 of the corresponding grooves 13 at the level of their first portion 132. They are held in abutment towards the right by the extension of the first portion 132 of the groove 13 and towards the bottom by the first lug 29a of said neck 5.

Ledit bouchon 7 est ensuite placé dans sa position d'attente par un mouvement axial vers le bas, dans lequel chaque élément 15 en saillie engagé dans la rainure 13 est encliqueté au-delà du premier ergot 29a. Ledit bouchon 7 est alors maintenu dans la position d'attente par l'intermédiaire des premier et deuxième ergots 29a, 29b qui limitent son déplacement vers la gauche (rotation) et vers le haut (translation) comme décrit précédemment. Cette position d'attente est visible à la figure 8.Said plug 7 is then placed in its waiting position by an axial downward movement, in which each projecting element 15 engaged in the groove 13 is snapped beyond the first lug 29a. Said stopper 7 is then held in the waiting position by means of the first and second lugs 29a, 29b which limit its movement to the left (rotation) and upwards (translation) as described above. This waiting position is visible at the figure 8 .

Par un premier mouvement hélicoïdal, chaque élément 15 en saillie dudit bouchon 7 engagé dans une des rainures 13 au niveau de la seconde portion 133 est encliqueté au-delà du deuxième ergot 29b et le bouchon 7 sort de la position d'attente. Cette étape et visible à la figure 9.By a first helical movement, each projecting element 15 of said plug 7 engaged in one of the grooves 13 at the level of the second portion 133 is snapped in beyond the second lug 29b and the plug 7 comes out of the standby position. This step is visible at the figure 9 .

Puis, par un second mouvement hélicoïdal engendré par la troisième portion 134 de la rainure 13, l'élément 15 en saillie passe dans la position d'affleurement puis dans la position de perçage.Then, by a second helical movement generated by the third portion 134 of the groove 13, the projecting element 15 passes into the flush position and then into the drilling position.

Le mouvement hélicoïdal se termine enfin lorsque chaque élément 15 en saillie engagé dans la rainure 13 atteint une position de butée située en fin de la dernière portion 15 de la rainure 13. Le bouchon 7 est alors dans la position de fin de course et/ou de fermeture visible à la figure 10. L'opercule 12' est partiellement découpé.The helical movement finally ends when each projecting element 15 engaged in the groove 13 reaches a stop position located at the end of the last portion 15 of the groove 13. The plug 7 is then in the end-of-travel position and / or closure visible at the figure 10 . The cover 12 'is partially cut.

Pour enlever ledit bouchon 7, l'utilisateur effectue les étapes dans le sens inverse.To remove said plug 7, the user performs the steps in reverse order.

Dans le mode de réalisation de la rainure 13 de guidage représenté à la figures 6, les différentes étapes pour le placement du bouchon 7 dans sa position d'attente et pour son passage de la position d'attente à la position de fin de course et/ou de fermeture sont sensiblement similaires.In the embodiment of the guide groove 13 shown in figures 6 , the various steps for placing the stopper 7 in its waiting position and for its passage from the waiting position to the end-of-travel and / or closed position are substantially similar.

Dans les modes de réalisation des figures 1 à 10, avant utilisation, le bouchon 7 est maintenu en place sur le goulot 5, à distance de l'opercule, par des formes complémentaires prévus sur ledit bouchon 7 et ledit goulot 5.In the embodiments of figures 1 to 10 , before use, the stopper 7 is held in place on the neck 5, at a distance from the cover, by complementary shapes provided on said stopper 7 and said neck 5.

Comme illustré aux figures 11 et 12, en variante, l'ensemble conforme à l'invention comprend une bague amovible 50, placée autour du goulot 5, entre l'épaule 11 de la tête de tube 3 et le bouchon 7, pour assurer un tel maintien en place dudit bouchon 7 à distance de l'opercule 12', avant une première utilisation. Autrement dit, le bouchon 7 est en position d'attente (figure 11) grâce à la bague amovible 50.As shown in figures 11 and 12 , alternatively, the assembly according to the invention comprises a removable ring 50, placed around the neck 5, between the shoulder 11 of the tube head 3 and the stopper 7, to ensure such retention in place of said stopper 7 at a distance from the cover 12 ', before first use. In other words, the plug 7 is in the standby position ( figure 11 ) thanks to the removable ring 50.

Dans ce mode de réalisation, ledit goulot 5 est muni, par exemple, d'un filetage 52 hélicoïdal, présentant avantageusement une pente suffisamment forte pour permettre de visser rapidement le bouchon 7.In this embodiment, said neck 5 is provided, for example, with a helical thread 52, advantageously having a sufficiently steep slope to allow the cap 7 to be quickly screwed on.

Ledit bouchon 7 présente trois dents. Lors de la première utilisation, l'utilisateur retire le bouchon 7. Il a alors accès à la bague amovible 50, qu'il retire. Il repositionne ensuite le bouchon 7 qui peut être visser par l'utilisateur jusqu'à sa position de fin de course (figure 12) maintenant que la bague 10 a été retirée. Pour les utilisations suivantes, ladite position de fin de course pourra correspondre à la position de fermeture du bouchon 7.Said plug 7 has three teeth. During the first use, the user removes the cap 7. He then has access to the removable ring 50, which he removes. He then repositioned the cap 7 which can be screwed by the user to its end-of-travel position ( figure 12 ) now that the ring 10 has been removed. For the following uses, said end-of-travel position may correspond to the closed position of cap 7.

Comme illustré aux figures 13 et 14, selon deux autres exemples de réalisation, une amplitude de passage entre la position d'affleurement et la position de fin de course est comprise entre 120 et 320°. En outre, les dents 25 sont angulairement espacées l'une de l'autre de sorte que leur course angulaire se chevauchent. On limite de la sorte l'effort perçu par l'utilisateur pour la découpe.As shown in figures 13 and 14 , according to two other exemplary embodiments, a passage amplitude between the flush position and the end-of-travel position is between 120 and 320 °. Further, the teeth 25 are angularly spaced from each other so that their angular stroke overlaps. In this way, the force perceived by the user for cutting is limited.

Avantageusement, ledit bouchon 7 est configuré pour que le passage de ladite position d'attente à ladite position de fin de course s'effectue avec une amplitude angulaire de rotation entre un et deux tours, de préférence un tour et demi, et pour que le passage de ladite position de perçage à ladite position de fin de course s'effectue avec une amplitude angulaire de rotation, comprise entre 90 et 200°.Advantageously, said plug 7 is configured so that the passage from said standby position to said end-of-stroke position is effected with an angular amplitude of rotation between one and two turns, preferably one and a half turns, and so that the passage from said drilling position to said end-of-stroke position is effected with an angular amplitude of rotation, between 90 and 200 °.

Le déposant a en effet constaté qu'avec de telles valeurs, on conjugue alors rapidité d'ouverture complète du bouchon et découpe partielle fiable de l'opercule lors de la première utilisation, avec des opercules d'élasticité courante.The applicant has in fact observed that with such values, the rapidity of complete opening of the stopper and reliable partial cutting of the cover during the first use are then combined with covers of current elasticity.

Sur ces figures, l'emplacement des dents 25 est symbolisé par un carré correspondant à l'emplacement de leur bord axial tranchant.In these figures, the location of teeth 25 is symbolized by a square corresponding to the location of their cutting axial edge.

Selon un premier exemple qui ne fait pas partie de l'invention, dont un mode de réalisation est illustré figure 13, lesdites dents 25 présentent une hauteur identique et ledit bouchon est configuré pour qu'un chevauchement de la course angulaire entre deux dents angulairement voisines soit compris entre 20 et 40°.According to a first example which does not form part of the invention, an embodiment of which is illustrated figure 13 , said teeth 25 have an identical height and said plug is configured so that an overlap of the angular travel between two angularly adjacent teeth is between 20 and 40 °.

Ici, lesdites dents 25 sont au nombre de quatre et sont réparties régulièrement sur 220°, en étant séparées les unes des autres d'environ 73°.Here, said teeth 25 are four in number and are distributed regularly over 220 °, being separated from each other by approximately 73 °.

Dans le mode particulier de réalisation illustré, la course angulaire de chaque dent entre la position d'affleurement et la position de fin de course est de 126° avec un chevauchement de course entre deux dents voisines de 23°.In the particular embodiment illustrated, the angular travel of each tooth between the flush position and the end-of-travel position is 126 ° with a travel overlap between two neighboring teeth of 23 °.

La course nécessaire pour passer de la position d'affleurement à la position de perçage est ici d'environ 30°. Elle est illustrée α1 pour chaque dent. La course servant ensuite à la découpe est ainsi d'environ 96°. Elle est illustrée α2 pour chaque dent. Les zones de recouvrement sont illustrées R et la zone de l'opercule 12' non découpée est illustré A. Cette dernière est ici de 44°.The stroke required to go from the flush position to the drilling position is here about 30 °. It is illustrated α1 for each tooth. The stroke then used for cutting is thus about 96 °. It is illustrated α2 for each tooth. The overlap areas are illustrated R and the area of the uncut cover 12 ′ is illustrated A. The latter is here 44 °.

Un tel fonctionnement est obtenu, par exemple, avec un goulot 5 et un bouchon 7 présentant un pas de vissage de 10 mm et une envergure de déplacement axial de 3,5 mm entre la position d'affleurement et la position de fin de course. Cela étant, des pas plus élevés sont également envisageables.Such an operation is obtained, for example, with a neck 5 and a stopper 7 having a screwing pitch of 10 mm and an axial displacement span of 3.5 mm between the flush position and the end-of-travel position. However, higher pitches are also possible.

Selon un second exemple correspondant à l'invention, dont un mode de réalisation est illustré figure 14, lesdites dents 25 présentent une hauteur décroissante dans le sens inverse de rotation du bouchon et ledit bouchon est configuré pour qu'un chevauchement de la course angulaire entre deux dents angulairement voisines soit compris entre 20 et 350°.According to a second example corresponding to the invention, an embodiment of which is illustrated figure 14 , said teeth 25 have a height which decreases in the opposite direction of rotation of the stopper and said stopper is configured so that an overlap of the angular stroke between two angularly neighboring teeth is between 20 and 350 °.

La course angulaire pour passer de la position où la dent en cause effleure l'opercule à la position où elle a percé l'opercule, sans entamer la découpe, est croissante, en partant de la première dent. Le chevauchement angulaire de découpe entre deux dents angulairement voisines est décroissant en partant du chevauchement entre la première dent et la seconde dent.The angular travel to go from the position where the tooth in question touches the cover to the position where it has pierced the cover, without starting the cut, is increasing, starting from the first tooth. The angular overlap of cut between two angularly adjacent teeth decreases starting from the overlap between the first tooth and the second tooth.

Ici, lesdites dents 25 sont au nombre de trois et sont réparties régulièrement sur 180°, en étant séparées les unes des autres d'environ 90°.Here, said teeth 25 are three in number and are distributed regularly over 180 °, being separated from each other by approximately 90 °.

Dans le mode particulier de réalisation illustré, la course angulaire de chaque dent entre la position d'affleurement initiale, c'est-à-dire la position d'affleurement de la première dent ou dent la plus haute, et la position de fin de course est de 229° avec un chevauchement de découpe décroissant entre deux dents voisines, ici de 89° entre la première et la seconde dent et de 76° entre la seconde et la troisième dent.In the particular embodiment illustrated, the angular travel of each tooth between the initial flush position, that is to say the flush position of the first tooth or highest tooth, and the end position of stroke is 229 ° with a decreasing cutting overlap between two neighboring teeth, here 89 ° between the first and the second tooth and 76 ° between the second and the third tooth.

La course nécessaire pour passer de la position d'affleurement à la position de perçage est ici d'environ 50° pour la première dent, environ 63° pour le seconde dent et environ 76° pour la troisième dent. Elle est illustrée α1 pour chaque dent. La course servant ensuite à la découpe est d'environ 179° pour la première dent, de 186° pour la seconde dent et de 173° pour la troisième dent, compte-tenu des zone de recouvrement. Elle est illustrée α2 pour chaque dent. Les zones de recouvrement sont illustrées R et la zone de l'opercule 12' non découpée est illustré A. cette dernière est ici de 27°.The stroke required to go from the flush position to the drilling position is here about 50 ° for the first tooth, about 63 ° for the second tooth and about 76 ° for the third tooth. It is illustrated α1 for each tooth. The stroke then used for cutting is approximately 179 ° for the first tooth, 186 ° for the second tooth and 173 ° for the third tooth, taking into account the overlap zones. It is illustrated α2 for each tooth. The overlap areas are illustrated R and the area of the uncut seal 12 ′ is illustrated A. the latter is here 27 °.

Un tel fonctionnement est obtenu, par exemple, avec un goulot 5 et un bouchon 7 présentant un pas de vissage de 5,5 mm et une envergure de déplacement axial de 3,5 mm entre la position d'affleurement et la position de fin de course. Cela étant, l'invention s'applique également à des pas plus faibles.Such an operation is obtained, for example, with a neck 5 and a plug 7 having a screwing pitch of 5.5 mm and an axial displacement span of 3.5 mm between the flush position and the end position of. race. However, the invention also applies to smaller pitches.

Dans ces deux exemples, les dents présentent avantageusement un profil triangulaire semblable à celui évoqué plus haut.In these two examples, the teeth advantageously have a triangular profile similar to that mentioned above.

Claims (8)

  1. Assembly (1) for closing a tube, said assembly (1) comprising:
    - a tube head (3) comprising a neck (5) and a lid (12') blocking said neck (5),
    - a cap (7) comprising a stamp (9) provided with three teeth (25), said teeth (25) being configured to cut said lid (12'), said stamp (9) having a distal end provided with said teeth (25),
    said cap (7) being configured to pass from a position in which said teeth (25) are flush with said lid, called flush position, to a position in which said teeth (25) have pierced said lid (12'), called piercing position, then from said piercing position to an end position allowing a partial cutting of said lid (12'), the passage from said piercing position to said end position being carried out with an angular amplitude of rotation, less than 360°, characterised in that said teeth (25) are regularly distributed over 180° and separated from one another by 90°, said teeth (25) having a decreasing height in, during its use, the opposite direction of rotation of the cap (7), said teeth being angularly spaced apart from one another and configured such that their angular course overlaps between said piercing position and said end position.
  2. Assembly according to one of the preceding claims, wherein the angular course between the flush position and the piercing position increases starting with the first tooth or the highest tooth, the angular cutting overlap between two neighbouring teeth decreasing starting with the overlap between the 1st and the 2nd tooth, said cap being configured such that an overlap of the angular course between two angularly neighbouring teeth is comprised between 20 and 350°.
  3. Assembly (1) according to any one of the preceding claims, wherein said cap is configured such that said partial cutting allows said lid (12') to remain connected to said tube head (3) by a material bridge on an angular amplitude comprised between 20 and 50°.
  4. Assembly (1) according to any one of the preceding claims, wherein said cap is configured such that the passage from a waiting position, in which the stamp (9) is kept at a distance from the lid (12'), to said end position is carried out with an angular amplitude of rotation between one and two rotations, preferably one and a half rotations, and such that the passage from said piercing position to said end position is carried out with an angular amplitude of rotation, comprised between 90 and 200°.
  5. Assembly (1) according to any one of claims 1 to 3, wherein said neck (5) and said cap (7) are configured to ensure a holding in place of said cap (7) at a distance from the lid (12'), before a first use.
  6. Assembly according to any one of claims 1 to 3 further comprising a removable ring (50), placed around the neck (5), between a shoulder (11) of the tube head (3) and the cap (7), to ensure a holding in place of said cap (7) at a distance from the lid (12'), before a first use.
  7. Tube (3) comprising a closing assembly (1) according to any one of the preceding claims.
  8. Cap (7) for an assembly (1) according to any one of claims 1 to 6, for a tube (3) according to claim 7, said cap comprising a stamp (9) provided with three teeth (25), said teeth (25) being configured to cut the lid (12') of the assembly (1), said stamp (9) having a distal end provided with said teeth (25), said cap (7) being configured to, during its use, pass from a position in which said teeth (25) are flush with said lid, called flush position, to a position in which said teeth (25) have pierced said lid (12'), called piercing position, then from said piercing position to an end position allowing a partial cutting of said lid (12'), the passage from said piercing position to said end position being flush with an angular amplitude of rotation, less than 360°, characterised in that said teeth (25) are regularly distributed over 180° and separated from one another by 90°, said teeth (25) having a decreasing height in, during its use, the opposite direction of rotation of the cap (7), said teeth being angularly spaced apart from one another and configured such that, during the use of the cap, their angular course overlaps between said piercing position and said end position.
EP17165377.7A 2016-04-19 2017-04-06 Assembly for closing a tube, tube therewith and corresponding perforator cap Active EP3235753B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL17165377T PL3235753T3 (en) 2016-04-19 2017-04-06 Assembly for closing a tube, tube therewith and corresponding perforator cap

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR1653453A FR3050184B1 (en) 2016-04-19 2016-04-19 PERFORATOR CAP IN PARTICULAR FOR A FLEXIBLE TUBE
FR1655899A FR3050185B1 (en) 2016-04-19 2016-06-23 PERFORATING CAP, IN PARTICULAR FOR A FLEXIBLE TUBE
FR1751859A FR3050186B1 (en) 2016-04-19 2017-03-07 PUNCH PLUG, ESPECIALLY FOR SOFT TUBE

Publications (2)

Publication Number Publication Date
EP3235753A1 EP3235753A1 (en) 2017-10-25
EP3235753B1 true EP3235753B1 (en) 2021-05-12

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Application Number Title Priority Date Filing Date
EP17165377.7A Active EP3235753B1 (en) 2016-04-19 2017-04-06 Assembly for closing a tube, tube therewith and corresponding perforator cap

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EP (1) EP3235753B1 (en)
PL (1) PL3235753T3 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115154051B (en) * 2022-08-09 2023-03-31 杭州市西溪医院 Medical cotton swab for navel cleaning and disinfection

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
LU88845A1 (en) * 1996-11-29 1998-06-02 Lynes Holding Sa Packaging for liquid products and in particular for food products
JP4021461B1 (en) * 2006-09-04 2007-12-12 株式会社ファンケル Cap with opening mechanism and bottle container attached with the cap
FR2994947B1 (en) 2012-08-28 2015-08-07 Albea Services IMPROVED TUBE HEAD COMPRISING AN INSERT FORMING A BARRIER.
FR3000037B1 (en) * 2012-12-26 2015-02-27 Albea Services TUBE HEAD PROVIDED WITH AN OPERATOR ASSOCIATED WITH AN IMPROVED PERFORATOR PLUG ENSURING THE PRESERVATION OF THE OPERATOR PRIOR TO ITS FIRST USE
FR3009288A1 (en) * 2013-07-30 2015-02-06 Albea Services CAP FOR RECEPTACLE AND RECEPTACLE, IN PARTICULAR TUBE, ESPECIALLY FLEXIBLE TUBE FOR COSMETIC PRODUCT, PROVIDED WITH SAID STOPPER

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
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EP3235753A1 (en) 2017-10-25
PL3235753T3 (en) 2021-11-08

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