EP3638599A1 - Closure device for liquid container - Google Patents

Closure device for liquid container

Info

Publication number
EP3638599A1
EP3638599A1 EP18731360.6A EP18731360A EP3638599A1 EP 3638599 A1 EP3638599 A1 EP 3638599A1 EP 18731360 A EP18731360 A EP 18731360A EP 3638599 A1 EP3638599 A1 EP 3638599A1
Authority
EP
European Patent Office
Prior art keywords
neck
membrane
base
tube
axial
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP18731360.6A
Other languages
German (de)
French (fr)
Other versions
EP3638599B1 (en
Inventor
Corentin BLAVOT
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.)
MAPED SAS
Original Assignee
MAPED 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
Application filed by MAPED SAS filed Critical MAPED SAS
Publication of EP3638599A1 publication Critical patent/EP3638599A1/en
Application granted granted Critical
Publication of EP3638599B1 publication Critical patent/EP3638599B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D47/00—Closures with filling and discharging, or with discharging, devices
    • B65D47/04—Closures with discharging devices other than pumps
    • B65D47/20—Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge
    • B65D47/2018—Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge comprising a valve or like element which is opened or closed by deformation of the container or closure
    • B65D47/2031—Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge comprising a valve or like element which is opened or closed by deformation of the container or closure the element being formed by a slit, narrow opening or constrictable spout, the size of the outlet passage being able to be varied by increasing or decreasing the pressure
    • B65D47/2037—Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge comprising a valve or like element which is opened or closed by deformation of the container or closure the element being formed by a slit, narrow opening or constrictable spout, the size of the outlet passage being able to be varied by increasing or decreasing the pressure the element being opened or closed by actuating a separate element which causes the deformation, e.g. screw cap closing container slit

Definitions

  • the present invention relates to a closure device for a liquid container such as a bottle or gourd body.
  • Gourds allow the transport of liquids, especially to carry a drink on the place of the practice of a sports activity or at school. They generally comprise a container for receiving the liquid and a removable closure system mating with the container.
  • a closure system comprising a fixed ring intended to be mounted on a bottle body, the ring carrying a shutter extending in a neck which is axially movable.
  • the shutter closes the mouth of the neck. Pressing on the neck makes it possible to disengage the shutter from the mouth of the neck to access the liquid.
  • a seal may be arranged under the shutter to improve the seal in the closed up position.
  • a spring is interposed between the neck and the ring to urge the neck in the upper closed position.
  • This closing system is intuitive and also allows sealing of the water bottle.
  • the gap between the shutter and the neck can jam the lips or the language of the user, which can hinder the use of the gourd in particular by young children.
  • this closure system has a relatively large number of parts, which increases its cost and complicates the disassembly and assembly of the system for cleaning.
  • One of the aims of the present invention is to provide a closure device for a container having an actuation that can be easily achieved, in particular by young children, having a good seal quality and having a limited number of parts.
  • the subject of the invention is a closure device for a liquid container, characterized in that it comprises:
  • a base intended to be mounted on the container, the base comprising a tube intended to be placed in communication with the interior of the container, a neck mounted movably on the base between a high closing position and a low opening position ,
  • an elastic membrane arranged in an opening of the neck, the membrane comprising at least one slot closed on itself in the rest position when the neck is in the upper closed position, the tube being arranged at the rear of the membrane in the high position of closure of the neck so that the lowering of the neck towards the base in the lower opening position opens the membrane by deformation of the at least one slot by the axial end of the tube.
  • the membrane can thus be opened by axial thrust of the neck.
  • the closing device is easy to operate, so it is easily understandable from a very young age.
  • the membrane allows the closure device to have a good seal.
  • the closure device comprises a limited number of parts. It is completely removable and easy to clean.
  • the neck can be mounted movably on the base between a high closing position and a low opening position on an axial stroke allowing the opening in the low position, the elastically solicits the return of the neck in the upper position of closure .
  • the neck resumes the upper position of closure. This will close the gourd tightly when the gourd is not used.
  • the membrane then acts on the one hand, a role of seal and on the other hand, a role of return spring in the upper position of closure of the neck away from the base.
  • closure device taken alone or in combination:
  • the axial end of the tube is engaged through the at least one slot to open the membrane
  • the axial stroke of the neck between the high closing position and the low opening position is between 4mm and 6mm, such as of the order of 5mm, the axial end of the tube allowing the opening of the membrane has a shape tapered,
  • the angle between the conical surface of the axial end and the axis of the tube is for example between 1 ° and 25 °
  • the tube has a two-stage shape, having a distal portion surmounting a proximal portion,
  • the tube comprises a proximal portion projecting from a base of the base, the proximal portion is cylindrical and cooperates with a cylindrical guide complementary to the neck to guide the axial and rotational movement of the neck relative to the base, in the high closing position, the membrane is arranged against the axial end of the tube to close the tube,
  • the membrane comprises at least two slots that cross perpendicularly in a cross
  • the membrane and an opening of the neck comprise an annular groove adapted to cooperate with a complementary annular rib, one being carried by the membrane, the other being carried by the opening,
  • the annular groove is formed in asymmetric annular beads of the membrane, the inner bead being thicker than the outer bead, the inner bead cooperating with a complementary shoulder of the neck, the membrane comprises a radial sealing member formed by a bearing ring; an annular end lip intended to be in contact with the tube of the base,
  • a base of the tube surmounted by the axial end has a tronconic shape intended to cooperate with the radial sealing member
  • the angle between the conical surface of the base of the tube and a plane perpendicular to the axis of the tube is for example between 90 ° and 115 °
  • the at least one slot is formed in a wall of the membrane arranged in at least one recess of the membrane forming an annular step in the membrane,
  • the at least one slot is formed in a curved wall of the membrane, the neck and the base comprise means for cooperation for holding and guiding the neck relative to the base,
  • the cooperation means comprise at least one axial groove cooperating with at least one complementary lug, one being carried by the neck, the other being carried by the base, the axial groove having an axial abutment for the lug in position high closure,
  • the cooperation means further comprise at least one mounting groove communicating with the axial groove and cooperating with the at least one lug, the at least one mounting groove is configured to guide a progressive lowering of the neck towards the base simultaneously with the rotation of the neck at the mounting of the neck,
  • the mounting groove has a linear mounting ramp
  • the mounting groove further comprises an annular groove perpendicular to the axial groove, interposed between the axial groove and the mounting ramp, the annular groove and the axial groove joining perpendicular to each other, the opposite of the axial stop,
  • the mounting groove has at least one rounded portion
  • the at least one mounting groove has:
  • annular groove perpendicular to the axial groove and the axial mounting groove, the annular groove being interposed between the axial groove and the axial mounting groove
  • the at least one axial groove is deeper than the at least one mounting groove
  • the at least one mounting groove comprises an indexing clip interposed between the mounting groove and the axial groove for indexing the position of the at least one lug
  • the closure device comprises an air inlet membrane arranged in an orifice of the base, the air inlet membrane having at least one closed slot in the state of rest and able to open to allow the entry of air into the container,
  • the closure device comprises an additional elastic member interposed between the neck and the base urging the neck in the upper closed position.
  • Figure 1 is a partial general view, in perspective, of a closing device in the upper closed position, mounted on a container.
  • Figure 2 is a longitudinal sectional view of the closure device of Figure 1.
  • Figure 3 is a side perspective view of a base of the closure device of Figure 1.
  • Figure 4a is a longitudinal sectional view of the base of Figure 3, after pivoting about 90 °.
  • Figure 4b is a view similar to Figure 4a showing an angle between the conical surface of the base of the tube and a plane perpendicular to the axis of the tube.
  • Figure 5 is a longitudinal sectional view of a neck of the closure device of Figure 1.
  • Figure 6 shows a longitudinal sectional view of a membrane of the closure device of Figure 1.
  • Figure 7 shows a perspective view of the membrane of Figure 6.
  • Figure 8 is a side perspective view of an air inlet membrane of the closure device of Figure 1.
  • Figure 9 is a longitudinal sectional view of the air inlet membrane of Figure 8.
  • Figure 10 is a longitudinal sectional view of the closure device of Figure 2, in an intermediate position between the upper closing position of Figure 2 and the lower opening position of Figure 11.
  • Figure 11 is a longitudinal sectional view of the closure device of Figure 1, in the lower position of opening.
  • Figure 12 shows a longitudinal sectional view of a second embodiment of the membrane.
  • Figure 13 shows a longitudinal sectional view of a third embodiment of the membrane.
  • Figure 14 shows a longitudinal sectional view of a fourth embodiment of the membrane.
  • Figure 15 shows a longitudinal sectional view of a fifth embodiment of membrane.
  • Figure 16 shows a side perspective view of a base according to a second embodiment.
  • Figure 17 shows a perspective view of a base according to a third embodiment.
  • Figure 18 shows a perspective view of a base according to a fourth embodiment.
  • FIG. 1 shows a closure device 1 for containing 2 of liquid, such as a bottle or gourd body, for example made of plastic material, notably allowing the transport of a beverage.
  • the closure device 1 comprises a base 3 intended to be mounted on the container 2, for example in a removable manner, a neck 4 mounted to move on the base 3 between a high closing position in which the liquid can not leave the container 2 (Figure 2) and a low opening position in which the user can access the liquid (Figure 11).
  • the base 3 comprises a base 5 and a tube 7.
  • the base 3 is preferably made in one piece for example plastic material.
  • the base 5 has an annular portion, the inside of which carries a fixing means 6, such as a screw thread complementary to the container 2, configured for reversibly securing the base 3 to the container 2 (FIG. 2).
  • the base 5 is closed radially around the tube 7 by a wall 9, for example a plane of the base 5 and perpendicular to the axis of the tube 7, the tube 7 protruding from the wall 9 on the side of the neck 4, for example centrally in relation to the base 5.
  • the base 5 can also carry a hinge member 10 and a locking element 11 intended to cooperate with a lid (not shown) pivotally mounted on the base 3.
  • the tube 7, hollow, is intended to be placed in communication with the interior of the container
  • At least one orifice 12 is formed in the tube 7, for example at an axial end 13a of the tube 7.
  • the tube 7 thus passes through the base 5 so that once the base 3 mounted on the container 2 and the neck 4 in the low opening position, the liquid can flow through the tube 7.
  • the closure device 1 further comprises an elastic membrane 14 arranged in an opening 15 of the neck 4 (FIGS. 5 and 6).
  • the membrane 14 has the general shape of a disk complementary to the circular opening of the neck 4.
  • the membrane 14 has at least one slot 16 closed on itself in the rest position when the neck 4 is in the upper closed position, thereby obstructing the opening 15 of the neck 4 sealingly.
  • the membrane 14 is for example a flexible synthetic material such as a silicone material or a thermoplastic elastomer (TPE).
  • TPE thermoplastic elastomer
  • the membrane 14 is in one piece. It can be obtained by molding.
  • the slot 16 is for example formed by a cutout of the membrane 14.
  • the membrane 14 and the opening 15 of the neck 4 comprise for example an annular groove 17 adapted to cooperate with a complementary annular rib 18, one being carried by the membrane 14, the other being carried by the opening 15.
  • the annular groove 17 is provided in the membrane 14 (FIG. 6) and the annular rib 18 is formed in the opening 15 of the neck 4 (FIG. 5) or vice versa.
  • the annular groove 17 and the annular rib 18 allow the tight fitting and the maintenance of the membrane 14 in the opening 15 of the neck 4.
  • the membrane 14 can be easily dismantled for cleaning and possibly replaced.
  • the tube 7 is arranged at the rear of the membrane 14 in the upper position of closure of the neck 4 so that the lowering of the neck 4 towards the base 3 in the low position of opening in the axial direction of the tube 7, opens the membrane 14 by deformation of the at least one slot 16 by the axial end 13a of the tube 7. More specifically, the axial end 13a of the tube 7 engages through the at least one slot 16 to open the membrane 14 ( Figures 10 and 11).
  • the axial end 13a of the tube 7 thus deforms the elastic membrane 14 to release a passage for the liquid (FIGS. 2 and 11).
  • the neck 4 is movably mounted on the base 3 between a high closing position and a low opening position on an axial stroke d allowing for example in low opening position, the membrane 14 resiliently urges the return of the neck 4 in the high closing position ( Figure 2).
  • the axial stroke d can be between 4mm and 6mm, such as of the order of 5mm.
  • the high position of the neck 4 moves the tube 7 away from the membrane 14 which resumes a rest position, closed on itself.
  • the neck 4 resumes the upper closing position. This will close the gourd tightly when the gourd is not used.
  • the membrane 14 then acts on the one hand, a role of seal and on the other hand, a role of return spring in the upper position of closure of the neck 4 away from the base 3.
  • an additional elastic member 19 such as an elastic blade or a helical spring, interposed between the neck 4 and the base 3 to urge the neck 4 in the upper closed position (in dashed lines in the figure 2).
  • An additional elastic member 19 makes it possible to secure the return to the high closing position independently of the possible wear of the membrane 14. The closure device 1 is thus urged in the upper closed position when no pressure is exerted on the neck 4, by biasing the membrane 14 and / or by biasing the additional elastic member 19.
  • the annular groove 17 may be formed in asymmetric annular beads 45, 46 of the membrane 14, the inner bead 45 (containing side 2) being thicker than the outer bead 46, the inner bead 45 cooperating with a complementary shoulder 47 of the neck 4 ( Figures 5 and 6).
  • This asymmetry of the membrane 14 allows it to be more difficult to exit by pushing from the inside than pushing from outside the container 2. The membrane 14 can thus be removed more easily when pushed by the from the outside of the neck 4 than when it is pushed by the tube 7.
  • the at least one slot 16 is formed in a plane wall 20 of the membrane 14 (FIG. 6).
  • the wall 20 is for example arranged in at least one recess 43a, 43b of the membrane 14, the recess 43a, 43b forming here an annular step in the membrane 14.
  • the at least one recess 43b is preferably located on the side of the membrane 14 intended to cooperate with the axial end 13a of the tube 7.
  • the wall 20 is arranged in two recesses 43a, 43b of the membrane 14 , formed in the two opposite faces of the membrane 14.
  • the at least one recess 43a, 43b creates a zone of rigidity that promotes the return of the membrane 14 in the rest position, which improves the quality of the elastic return of the membrane 14 in the upper closed position.
  • the membrane 14 in the high position of closure, is arranged against the axial end 13a of the tube 7 to close the tube 7.
  • the orifice 12 of the tube 7 located at the axial end 13a of the tube 7 can thus be closed by the membrane 14 in the high position of closure ( Figure 2).
  • the membrane 14 then acts as a frontal seal, closing the orifice 12 of the tube 7 in a sealed manner in the upper closed position.
  • the membrane 14 further comprises two slots 16 which cross perpendicularly cross (Figure 7).
  • This cross-shaped shape improves the seal between the tube 7 and the membrane 14 in the low opening position and makes it possible to balance the force applied on the neck 4 to deform and open the membrane 14.
  • the restoring force of the membrane 14 to the high closing position is also optimized.
  • the ends 21 of the at least one slot 16 divide into two branches, ending in "Y". This "Y" shape makes it possible to limit tears or cracks in the ends 21 of the slots 16.
  • At least a portion of the tube 7 is in a frustoconical shape.
  • the tube 7 has for example a two-stage shape, comprising a distal portion 13 surmounting a proximal portion 22, the proximal portion 22 projecting directly from the wall 9 of the base 5, the distal portion 13 having a passage narrower than the proximal portion 22 ( Figure 4a).
  • the axial end 13a of the distal portion 13 of the tube 7 allowing the opening of the membrane 14, for example has a frustoconical shape (Figure 4a).
  • the angle ⁇ between the conical surface of the axial end 13a and the axis of the tube 7 is for example between 1 ° and 25 °.
  • the frustoconical shape in which fits the axial end 13a of the tube 7 allows a progressive opening of the membrane 14, generating a progressive effort to exercise for the user, which is more ergonomic. In addition, this allows a progressive tensioning of the membrane 14, limiting the wear of the membrane 14. This shape also allows better sealing of the lips of the at least one slot 16 against the axial end 13a, making it possible to obtain a very good seal between the membrane 14 and the tube 7.
  • a base 13b of the distal portion 13 of the tube 7, surmounted by the axial end 13a and interposed between the axial end 13a and the proximal portion 22 of the tube 7, has for example a frustoconical shape (Figure 4b).
  • the angle a 2 between the conical surface of the base 13b and a plane perpendicular to the axis of the tube 7 is for example between 90 ° and 115 °.
  • the membrane 14 may also comprise a radial sealing member 23 formed by a ring carrying an annular end lip ( Figure 6).
  • the membrane 14 is in one piece with the radial sealing member 23.
  • the annular sealing lip is intended to be in contact with the tube 7 of the base
  • the neck 4 and the base 3 further comprise means of cooperation for maintaining and guiding the neck 4 relative to the base 3.
  • the cooperation means comprise for example at least one axial groove 24 cooperating with at least one complementary lug 25, one being carried by the neck 4, the other being carried by the base 3 (FIGS. ).
  • the axial groove 24 extends in the axial direction of the tube 7. It has an axial stop 26 against which the lug 25 bears in the upper closed position.
  • the base 3 carries two diametrically opposed axial grooves 24, for example carried by a ring 27 of the base 3, the ring 27 surmounting the base 5 and concentrically surrounding the proximal portion 22 of the tube 7 (FIG. ).
  • the tube 7 of the base 3, and more particularly the proximal portion 22 of the tube 7, is cylindrical and cooperates with a complementary cylindrical guide 29 of the neck 4 to guide the axial and rotary displacement of the neck 4 relative to the base 3.
  • the cylindrical guide 29 extends for example from the skirt 28 of the neck 4, inside the skirt 28 and concentrically with respect to the axis of the tube 7.
  • the end of the cylindrical guide 29 can form a stop for the neck 4 during the lowering of the neck 4 against the wall 9 of the base 5 in the low opening position (FIG. 11), limiting the axial stroke d of the neck 4 ( Figure 2).
  • the fact that the end of the cylindrical guide 29 is located inside the neck 4 also makes it possible to avoid pinching the user's fingers in the lower open position.
  • the cooperation means are also configured to guide the assembly and disassembly of the neck 4 on the base 3.
  • the cooperation means comprise at least one mounting groove 30, communicating with the axial groove 24 and cooperating with the at least one lug 25 ( Figure 3).
  • the mounting groove 30 extends partially around the perimeter of the neck 4 or the base 3, allowing a type of "pushed-turned”, also called “bayonet-mount” assembly. net or “quarter turn” mounting.
  • the mounting groove 30 extends for example at an angle of between 30 ° (1/12 turn) and 90 ° (quarter turn).
  • the base 3 carries two diametrically opposed mounting grooves 30 carried by the ring 27 of the base 3 (FIGS. 3 and 4a).
  • the mounting groove 30 is configured to guide a progressive lowering of the neck 4 towards the base 3 simultaneously with the rotation of the neck 4 during assembly of the neck 4.
  • the mounting groove 30 comprises for example a linear mounting ramp 31 ( Figure 3).
  • the mounting groove 30 may further comprise an annular groove 32, perpendicular to the axial groove 24 and interposed between the axial groove 24 and the mounting ramp 31.
  • the annular groove 32 and the axial groove 24 meet perpendicularly, opposite the axial stop 26.
  • the axial groove 24 is for example deeper than the mounting groove 30.
  • the at least one lug 25 "falls" in the axial groove 24, which informs the user of the correct assembly 4.
  • the user presses the neck 4 to deform and remove the at least one lug 25 of the axial groove 24 and to engage it on the mounting groove 30. This adds a security allowing avoid unintentional disassembly of the neck 4 or disassembly of the neck 4 in particular by a child.
  • the mounting groove 30 may further comprise an indexing clip 33 interposed between the mounting groove 30 and the axial groove 24.
  • the indexing clip 33 is formed by an extra thickness. It allows the indexing of the position of the lug 25 in the axial groove 24. When the user feels having passed the hard point of the indexing clip 33, he knows that the closure device 1 is assembled correctly and that the gourd can be used.
  • a mark 24 may be arranged outside the skirt 28 of the neck 4 to facilitate the scanning of the angular position of the neck 4 allowing insertion of the at least one lug 25 into the guide groove 30 (FIG. 1) .
  • the user pivots the neck 4 on the base 3 until finding a mounting position for the insertion of the at least one lug 25 in the mounting groove 30.
  • it gradually fits into the at least one mounting ramp 31 to lower in the lower opening position and then to be guided in rotation by the at least one annular groove 32.
  • the at least one lug 25 enters the at least one axial groove 24.
  • the neck 4 "released", “up” to the at least one axial stop 26 ( Figure 3).
  • the user begins by lowering the neck 4 to place it in the low position of opening. Then he presses the neck 4 to exit the axial groove 24 before turning it.
  • the at least one lug 25 then raises the guide ramp 30 until the neck 4 disengages from the base 3.
  • the mounting groove 30 drives the neck 4 directly to the assembled position of use. Turning the neck 4 on the base 3 to position it correctly is also very intuitive. On the other hand, having to push by turning neck 4 to disassemble it adds security to prevent disassembly by a child.
  • the closure device 1 may further comprise an air inlet membrane 35, arranged in an orifice of the wall 9 of the base 5 of the base 3 (FIG. 2).
  • the air inlet membrane 35 is for example a flexible synthetic material, such as a silicone material or a thermoplastic elastomer (TPE).
  • the air inlet membrane 35 may be obtained by molding.
  • the air inlet membrane 35 is formed by an elastic member having at least one slot 38, closed in the state of rest ( Figure 8 and 9).
  • the slot 38 is able to open when the pressure in the container 2 is lower than the external pressure, that is to say the pressure prevailing in the space between the base 3 and the neck 4, to allow the entry of air into the container 2 when the liquid flows through the tube 7.
  • the air inlet membrane 35 comprises a hollow element in one piece having an open end 36 and a concave end 37 in which at least one slot 38 is formed, the slot 38 being closed in the state
  • the concave end 37 extends to the side of the container 2 (FIG. 2).
  • the air inlet membrane 35 may comprise a holding bead 39 arranged on the side of the open end 25 and an annular extra thickness 40 for retaining the air inlet membrane 35 in the orifice of the wall 9 ( Figures 8 and 9).
  • the air inlet membrane 35 may also be overmoulded on the wall 9.
  • the neck 4 In use, at rest, the neck 4 is biased in the upper closed position by the elasticity of the membrane 14 and optionally by the additional elastic member 19 ( Figure 2).
  • the slots 16 of the membrane 14 are closed on themselves.
  • the membrane 14 is then undeformed and sealed.
  • the membrane 14 is arranged against the ori- Fice 12 of the tube 7 preventing the flow of liquid out of the tube 7.
  • the at least one slot 38 of the air inlet membrane 35 is closed ( Figure 2).
  • the lowering of the neck 4 towards the base 3 deforms the at least one slot 16 of the membrane 14 by pushing the axial end 13a of the tube 7.
  • the axial end 13a of the tube 7 engages through the at least one a slot 16 to open the membrane 14 ( Figure 10).
  • the frustoconical shape in which the axial end 13a fits allows progressive deformation and thus progressive opening of the membrane 14 (FIG. 10).
  • the slot 38 of the air inlet membrane 35 can open to allow the entry of air into the container 2 as the liquid flows through the tube 7.
  • the closure device 1 thus allows the user to access the liquid of the container
  • the closure device 1 is simple, easy to use and has only very few parts: two membranes 14, 35, a base 3, a neck 4 and optionally a additional elastic member 19.
  • the diaphragm 14 acts as a seal to obtain a tight closure of the closure device 1 and makes it possible to guarantee the tightness around the open tube 7 in the low position. opening.
  • the membrane 14 acts as a return spring in the upper position of closure of the neck 4 away from the base 3.
  • the limited number of parts lowers the manufacturing cost and facilitates assembly and disassembly of the closure device 1 by the user for cleaning.
  • the closure device 1 is completely removable, which facilitates cleaning and allows, if necessary, easy replacement of the membrane 14.
  • Figure 12 shows a second embodiment of a membrane 14 '.
  • This embodiment differs from the previous in that the at least one slot 16 is formed in a curved wall 20 'of the membrane 14'.
  • This curved wall 20 ' in particular, it improves the sealing tightness of the orifice 12 of the tube 7 by the membrane 14 'in the upper closed position.
  • Figure 13 shows a third embodiment of a membrane 14 "for which the at least one slot 16 is formed in a flat wall 20 of the membrane 14".
  • the wall 20 is arranged in a single recess 43a of the membrane 14 "forming an annular step which is not located on the side of the membrane 14" intended to cooperate with the axial end 13a of the tube 7.
  • Figure 14 shows a fourth embodiment of a membrane 14 "'.
  • This embodiment differs from the third embodiment in that the wall 20 is arranged in a recess 44 of frustoconical edge of the membrane 14 "'.
  • FIG 15 shows a fifth embodiment of a membrane 14 "". This embodiment differs from the first embodiment in that the membrane 14 "" has no radial sealing member.
  • FIG. 16 shows a second exemplary embodiment of the mounting groove 30 'of the cooperation means.
  • the mounting groove 30 ' has a general shape in
  • the mounting groove 30 ' has an axial mounting groove 41 and an annular groove 32' perpendicular to the axial groove 24 and the axial mounting groove 41, the annular groove 32 'being interposed between the axial groove 24 and the axial mounting groove 41.
  • the annular groove 32 'and the axial groove 24 meet perpendicularly, opposite the axial stop 26.
  • the user pivots the neck 4 on the base 3 until finding a mounting position allowing the lugs 25 to be inserted into the mounting grooves 30 '. Then, the user presses the neck 4 and pivots it so that the lugs 25 follow the annular grooves 32 '. After the passage of the indexing clips 33, the lugs 25 penetrate into the axial grooves 24 where the neck 4 biased in the upper closed position "up” until it comes against the axial stops 26.
  • the neck 4 When the neck 4 is disassembled, the user begins by lowering the neck 4 to place it in the lower open position before pressing it to turn it.
  • the neck 4 can be released from the base 3 after the passage of the lugs 25 in the axial mounting grooves 41.
  • the assembly and disassembly of the neck 4 in the base 3 is very simple.
  • the mounting groove 30 'causes the neck 4 directly in the position of use. Turn the neck 4 on the base 3 to position correctly is very intuitive. Moreover, when disassembling, the fact of having to push the neck 4 to turn it secures the closure of the device 1.
  • FIG. 17 shows a third exemplary embodiment of the mounting groove 30 "of the cooperation means of the closure device 1.
  • This third example differs from the previous example in that the annular mounting groove 32 "and the axial groove 24 meet on the axial abutment side 26.
  • the user pivots the neck 4 on the base 3 until finding a mounting position allowing the lugs 16 to be inserted into the axial mounting grooves 41 '. Then, the user presses on the neck 4 and pivots it so that the lugs 25 follow the annular grooves 32 ", pass the hard points of the indexing clips 33 and penetrate into the axial grooves 24, completing the assembly of the neck 4 which remains positioned in the upper closed position.
  • the user presses and then turns the neck 4 until the lugs 16 are positioned facing the open ends of the mounting grooves 30 ".
  • the mounting grooves 30 When rotating the neck 4, the mounting grooves 30 "guide the neck 4 to the assembled position of use.Turn the neck 4 on the base 3 to position it correctly is very intuitive.
  • FIG. 18 shows a fourth embodiment of the mounting groove 30 '' of the cooperation means of the closure device 1.
  • the mounting groove 30 "' is configured to guide a progressive lowering of the neck 4 towards the base 3 simultaneously with the rotation of the neck 4 during assembly of the neck 4.
  • the mounting groove 30 "' has at least one rounded portion 48 located between the open end of the mounting groove 30"' and the axial groove 24.
  • Figure 18 illustrates an example for which the rounded portion 48 extends over the entire mounting groove 30 "'and is arcuate in shape, other embodiments are possible, for example, the mounting groove rounded portion in the shape of "S".

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)

Abstract

The invention concerns a closure device (1) for a liquid container (2), characterised in that it comprises: a base (3) intended to be mounted on the container (2), the base (3) comprising a tube (7) intended to be brought into communication with the inside of the container (2), a neck (4) mounted so as to be able to move on the base (3) between a high closing position and a low opening position, an elastic membrane (14; 14'; 14''; 14'''; 14'''') arranged in an opening (15) of the neck (4), the membrane (14; 14'; 14''; 14'''; 14'''') comprising at least one slot (16) closed on itself in an inoperative position when the neck (4) is in the high closing position, the tube (7) being arranged behind the membrane (14; 14'; 14''; 14'''; 14'''') in the high closing position of the neck (4) such that, when the neck (4) is lowered towards the base (3) into the low opening position, the membrane (14; 14'; 14''; 14'''; 14'''') is opened by the axial end (13a) of the tube (7) deforming the at least one slot (16).

Description

DISPOSITIF DE FERMETURE POUR CONTENANT DE LIQUIDE  CLOSURE DEVICE FOR LIQUID CONTAINERS
La présente invention concerne un dispositif de fermeture pour contenant de liquide tel qu'un corps de bouteille ou de gourde. The present invention relates to a closure device for a liquid container such as a bottle or gourd body.
Les gourdes permettent le transport de liquides, notamment pour emporter une boisson sur le lieu de la pratique d'une activité sportive ou à l'école. Elles comportent généralement un contenant destiné à recevoir le liquide et un système de fermeture amovible s'accouplant au contenant.  Gourds allow the transport of liquids, especially to carry a drink on the place of the practice of a sports activity or at school. They generally comprise a container for receiving the liquid and a removable closure system mating with the container.
Il existe actuellement différents systèmes de fermeture de contenants.  There are currently different container closure systems.
On connaît par exemple un système de fermeture comportant une bague fixe destinée à être montée sur un corps de bouteille, la bague portant un obturateur s'étendant dans un goulot qui est mobile axialement. Lorsque le goulot est en position haute, l'obturateur ferme l'orifice du goulot. Un appui sur le goulot permet de dégager l'obturateur de l'orifice du goulot pour accéder au liquide. Un joint peut être agencé sous l'obturateur pour améliorer l'étanchéité en position haute de fermeture. Un ressort est interposé entre le goulot et la bague pour solliciter le goulot en position haute de fermeture.  For example, there is known a closure system comprising a fixed ring intended to be mounted on a bottle body, the ring carrying a shutter extending in a neck which is axially movable. When the neck is in the up position, the shutter closes the mouth of the neck. Pressing on the neck makes it possible to disengage the shutter from the mouth of the neck to access the liquid. A seal may be arranged under the shutter to improve the seal in the closed up position. A spring is interposed between the neck and the ring to urge the neck in the upper closed position.
Ce système de fermeture est intuitif et permet en outre une obturation étanche de la gourde. Toutefois, l'interstice entre l'obturateur et le goulot peut coincer les lèvres ou la langue de l'utilisateur, ce qui peut gêner l'utilisation de la gourde notamment par dé jeunes enfants. En outre, ce système de fermeture présente un nombre de pièces relativement important, ce qui augmente son coût et complique le démontage et montage du système pour son nettoyage.  This closing system is intuitive and also allows sealing of the water bottle. However, the gap between the shutter and the neck can jam the lips or the language of the user, which can hinder the use of the gourd in particular by young children. In addition, this closure system has a relatively large number of parts, which increases its cost and complicates the disassembly and assembly of the system for cleaning.
Un des buts de la présente invention est de proposer un dispositif de fermeture pour contenant présentant un actionnement pouvant être réalisé aisément, notamment par des enfants en bas âge, présentant une bonne qualité d'étanchéité et comportant un nombre limité de pièces.  One of the aims of the present invention is to provide a closure device for a container having an actuation that can be easily achieved, in particular by young children, having a good seal quality and having a limited number of parts.
A cet effet, l'invention a pour objet un dispositif de fermeture pour contenant de liquide caractérisé en ce qu'il comporte :  For this purpose, the subject of the invention is a closure device for a liquid container, characterized in that it comprises:
une embase destinée à être montée sur le contenant, l'embase comportant un tube destiné à être mis en communication avec l'intérieur du contenant, un goulot monté mobile sur l'embase entre une position haute de fermeture et une position basse d'ouverture,  a base intended to be mounted on the container, the base comprising a tube intended to be placed in communication with the interior of the container, a neck mounted movably on the base between a high closing position and a low opening position ,
une membrane élastique agencée dans une ouverture du goulot, la membrane comportant au moins une fente fermée sur elle-même en position de repos lorsque le goulot est en position haute de fermeture, le tube étant agencé à l'arrière de la membrane dans la position haute de fermeture du goulot de sorte que l'abaissement du goulot vers l'embase en position basse d'ouverture ouvre la membrane par déformation de la au moins une fente par l'extrémité axiale du tube. an elastic membrane arranged in an opening of the neck, the membrane comprising at least one slot closed on itself in the rest position when the neck is in the upper closed position, the tube being arranged at the rear of the membrane in the high position of closure of the neck so that the lowering of the neck towards the base in the lower opening position opens the membrane by deformation of the at least one slot by the axial end of the tube.
La membrane peut ainsi être ouverte par poussée axiale du goulot. Le dispositif de fermeture est facile à actionner, il est donc facilement compréhensible dès le plus jeune âge. La membrane permet au dispositif de fermeture de présenter une bonne étanchéité. En outre, le dispositif de fermeture comporte un nombre limité de pièces. Il est entièrement démontable et facile à nettoyer.  The membrane can thus be opened by axial thrust of the neck. The closing device is easy to operate, so it is easily understandable from a very young age. The membrane allows the closure device to have a good seal. In addition, the closure device comprises a limited number of parts. It is completely removable and easy to clean.
Le goulot peut être monté mobile sur l'embase entre une position haute de fermeture et une position basse d'ouverture sur une course axiale permettant qu'en position basse d'ouverture, la membrane sollicite élastiquement le retour du goulot en position haute de fermeture. Ainsi lorsque l'utilisateur relâche l'appui exercé sur le goulot, le goulot reprend la position haute de fermeture. Cela permet de fermer la gourde de manière étanche lorsque la gourde n'est pas utilisée. La membrane joue alors d'une part, un rôle de joint d'étanchéité et d'autre part, un rôle de ressort de rappel en position haute de fermeture du goulot à l'écart de l'embase.  The neck can be mounted movably on the base between a high closing position and a low opening position on an axial stroke allowing the opening in the low position, the elastically solicits the return of the neck in the upper position of closure . Thus when the user releases the support exerted on the neck, the neck resumes the upper position of closure. This will close the gourd tightly when the gourd is not used. The membrane then acts on the one hand, a role of seal and on the other hand, a role of return spring in the upper position of closure of the neck away from the base.
Selon une ou plusieurs caractéristiques du dispositif de fermeture, prise seule ou en combinaison :  According to one or more features of the closure device, taken alone or in combination:
en position basse d'ouverture, l'extrémité axiale du tube est engagée à travers la au moins une fente pour ouvrir la membrane,  in the low opening position, the axial end of the tube is engaged through the at least one slot to open the membrane,
la course axiale du goulot entre la position haute de fermeture et la position basse d'ouverture est comprise entre 4mm et 6mm, telle que de l'ordre de 5mm, l'extrémité axiale du tube permettant l'ouverture de la membrane présente une forme tronconique,  the axial stroke of the neck between the high closing position and the low opening position is between 4mm and 6mm, such as of the order of 5mm, the axial end of the tube allowing the opening of the membrane has a shape tapered,
l'angle entre la surface conique de l'extrémité axiale et l'axe du tube est par exemple compris entre 1 ° et 25°,  the angle between the conical surface of the axial end and the axis of the tube is for example between 1 ° and 25 °,
le tube présente une forme bi-étagée, comportant une portion distale surmontant une portion proximale,  the tube has a two-stage shape, having a distal portion surmounting a proximal portion,
le tube comporte une portion proximale faisant saillie d'un socle de l'embase, la portion proximale est cylindrique et coopère avec un guide cylindrique complémentaire du goulot pour guider le déplacement axial et rotatif du goulot par rapport à l'embase, en position haute de fermeture, la membrane est agencée contre l'extrémité axiale du tube pour fermer le tube, the tube comprises a proximal portion projecting from a base of the base, the proximal portion is cylindrical and cooperates with a cylindrical guide complementary to the neck to guide the axial and rotational movement of the neck relative to the base, in the high closing position, the membrane is arranged against the axial end of the tube to close the tube,
la membrane comporte au moins deux fentes qui se croisent perpendiculairement en croix, the membrane comprises at least two slots that cross perpendicularly in a cross,
les extrémités de la au moins une fente se terminent en « Y », the ends of the at least one slot end in "Y",
la membrane et une ouverture du goulot comportent une gorge annulaire apte à coopérer avec une nervure annulaire complémentaire, l'un étant porté par la membrane, l'autre étant porté par l'ouverture, the membrane and an opening of the neck comprise an annular groove adapted to cooperate with a complementary annular rib, one being carried by the membrane, the other being carried by the opening,
la gorge annulaire est ménagée dans des bourrelets annulaires asymétriques de la membrane, le bourrelet intérieur étant plus épais que le bourrelet extérieur, le bourrelet intérieur coopérant avec un épaulement complémentaire du goulot, la membrane comporte un organe d'étanchéité radiale formé par une bague portant une lèvre annulaire d'extrémité destinée à être en contact avec le tube de l'embase, the annular groove is formed in asymmetric annular beads of the membrane, the inner bead being thicker than the outer bead, the inner bead cooperating with a complementary shoulder of the neck, the membrane comprises a radial sealing member formed by a bearing ring; an annular end lip intended to be in contact with the tube of the base,
une base du tube surmontée par l'extrémité axiale présente une forme tronco- nique destinée à coopérer avec l'organe d'étanchéité radiale, a base of the tube surmounted by the axial end has a tronconic shape intended to cooperate with the radial sealing member,
l'angle entre la surface conique de la base du tube et un plan perpendiculaire à l'axe du tube est par exemple compris entre 90° et 115°, the angle between the conical surface of the base of the tube and a plane perpendicular to the axis of the tube is for example between 90 ° and 115 °,
la au moins une fente est ménagée dans une paroi de la membrane agencée dans au moins un renfoncement de la membrane formant une marche annulaire dans la membrane, the at least one slot is formed in a wall of the membrane arranged in at least one recess of the membrane forming an annular step in the membrane,
la au moins une fente est ménagée dans une paroi bombée de la membrane, le goulot et l'embase comportent des moyens de coopération pour le maintien et le guidage du goulot par rapport à l'embase, the at least one slot is formed in a curved wall of the membrane, the neck and the base comprise means for cooperation for holding and guiding the neck relative to the base,
les moyens de coopération comportent au moins une rainure axiale coopérant avec au moins un ergot complémentaire, l'un étant porté par le goulot, l'autre étant porté par l'embase, la rainure axiale présentant une butée axiale pour l'ergot en position haute de fermeture, the cooperation means comprise at least one axial groove cooperating with at least one complementary lug, one being carried by the neck, the other being carried by the base, the axial groove having an axial abutment for the lug in position high closure,
les moyens de coopération comportent en outre au moins une rainure de montage communiquant avec la rainure axiale et coopérant avec le au moins un ergot, la au moins une rainure de montage est configurée pour guider un abaissement progressif du goulot vers l'embase simultanément à la rotation du goulot au montage du goulot, the cooperation means further comprise at least one mounting groove communicating with the axial groove and cooperating with the at least one lug, the at least one mounting groove is configured to guide a progressive lowering of the neck towards the base simultaneously with the rotation of the neck at the mounting of the neck,
la rainure de montage comporte une rampe de montage linéaire, la rainure de montage comporte en outre une rainure annulaire perpendiculaire à la rainure axiale, interposée entre la rainure axiale et la rampe de montage, la rainure annulaire et la rainure axiale se rejoignant perpendiculairement, à l'opposé de la butée axiale,  the mounting groove has a linear mounting ramp, the mounting groove further comprises an annular groove perpendicular to the axial groove, interposed between the axial groove and the mounting ramp, the annular groove and the axial groove joining perpendicular to each other, the opposite of the axial stop,
la rainure de montage présente au moins une portion arrondie,  the mounting groove has at least one rounded portion,
la au moins une rainure de montage présente :  the at least one mounting groove has:
o une rainure axiale de montage, et  an axial mounting groove, and
o une rainure annulaire, perpendiculaire à la rainure axiale et à la rainure axiale de montage, la rainure annulaire étant interposée entre la rainure axiale et la rainure axiale de montage,  an annular groove, perpendicular to the axial groove and the axial mounting groove, the annular groove being interposed between the axial groove and the axial mounting groove,
la au moins une rainure axiale est plus profonde que la au moins une rainure de montage,  the at least one axial groove is deeper than the at least one mounting groove,
la au moins une rainure de montage comporte un clip d'indexage interposé entre la rainure de montage et la rainure axiale pour l'indexage de la position du au moins un ergot,  the at least one mounting groove comprises an indexing clip interposed between the mounting groove and the axial groove for indexing the position of the at least one lug,
le dispositif de fermeture comporte une membrane d'entrée d'air agencée dans un orifice de l'embase, la membrane d'entrée d'air présentant au moins une fente fermée à l'état de repos et apte à s'ouvrir pour permettre l'entrée d'air dans le contenant,  the closure device comprises an air inlet membrane arranged in an orifice of the base, the air inlet membrane having at least one closed slot in the state of rest and able to open to allow the entry of air into the container,
le dispositif de fermeture comporte un organe élastique additionnel interposé entre le goulot et l'embase sollicitant le goulot en position haute de fermeture.  the closure device comprises an additional elastic member interposed between the neck and the base urging the neck in the upper closed position.
L'invention sera mieux comprise à l'aide de la description qui suit, en référence aux dessins schématiques annexés représentant, à titre d'exemple, une forme d'exécution de cette invention. The invention will be better understood from the description which follows, with reference to the accompanying schematic drawings showing, by way of example, an embodiment of this invention.
Figure 1 est une vue générale partielle, en perspective, d'un dispositif de fermeture en position haute de fermeture, monté sur un contenant.  Figure 1 is a partial general view, in perspective, of a closing device in the upper closed position, mounted on a container.
Figure 2 est une vue en coupe longitudinale du dispositif de fermeture de la Figure 1. Figure 3 est une vue en perspective de côté d'une embase du dispositif de fermeture de la Figure 1. Figure 2 is a longitudinal sectional view of the closure device of Figure 1. Figure 3 is a side perspective view of a base of the closure device of Figure 1.
Figure 4a est une vue en coupe longitudinale de l'embase de la Figure 3, après pivotement d'environ 90°.  Figure 4a is a longitudinal sectional view of the base of Figure 3, after pivoting about 90 °.
Figure 4b est une vue similaire à la Figure 4a montrant un angle entre la surface conique de la base du tube et un plan perpendiculaire à l'axe du tube.  Figure 4b is a view similar to Figure 4a showing an angle between the conical surface of the base of the tube and a plane perpendicular to the axis of the tube.
Figure 5 est une vue en coupe longitudinale d'un goulot du dispositif de fermeture de la Figure 1.  Figure 5 is a longitudinal sectional view of a neck of the closure device of Figure 1.
Figure 6 montre une vue en coupe longitudinale d'une membrane du dispositif de ferme- ture de la Figure 1 .  Figure 6 shows a longitudinal sectional view of a membrane of the closure device of Figure 1.
Figure 7 montre une vue en perspective de la membrane de la Figure 6.  Figure 7 shows a perspective view of the membrane of Figure 6.
Figure 8 est une vue en perspective de côté d'une membrane d'entrée d'air du dispositif de fermeture de la Figure 1.  Figure 8 is a side perspective view of an air inlet membrane of the closure device of Figure 1.
Figure 9 est une vue en coupe longitudinale de la membrane d'entrée d'air de la Figure 8.  Figure 9 is a longitudinal sectional view of the air inlet membrane of Figure 8.
Figure 10 est une vue en coupe longitudinale du dispositif de fermeture de la Figure 2, dans une position intermédiaire entre la position haute de fermeture de la Figure 2 et la position basse d'ouverture de la Figure 11.  Figure 10 is a longitudinal sectional view of the closure device of Figure 2, in an intermediate position between the upper closing position of Figure 2 and the lower opening position of Figure 11.
Figure 11 est une vue en coupe longitudinale du dispositif de fermeture de la Figure 1 , en position basse d'ouverture.  Figure 11 is a longitudinal sectional view of the closure device of Figure 1, in the lower position of opening.
Figure 12 montre une vue en coupe longitudinale d'un deuxième exemple de réalisation de membrane.  Figure 12 shows a longitudinal sectional view of a second embodiment of the membrane.
Figure 13 montre une vue en coupe longitudinale d'un troisième exemple de réalisation de membrane.  Figure 13 shows a longitudinal sectional view of a third embodiment of the membrane.
Figure 14 montre une vue en coupe longitudinale d'un quatrième exemple de réalisation de membrane.  Figure 14 shows a longitudinal sectional view of a fourth embodiment of the membrane.
Figure 15 montre une vue en coupe longitudinale d'un cinquième exemple de réalisation de membrane.  Figure 15 shows a longitudinal sectional view of a fifth embodiment of membrane.
Figure 16 montre une vue en perspective de côté d'une embase selon un deuxième exemple de réalisation.  Figure 16 shows a side perspective view of a base according to a second embodiment.
Figure 17 montre une vue en perspective d'une embase selon un troisième exemple de réalisation. Figure 18 montre une vue en perspective d'une embase selon un quatrième exemple de réalisation. Figure 17 shows a perspective view of a base according to a third embodiment. Figure 18 shows a perspective view of a base according to a fourth embodiment.
Sur ces figures, les éléments identiques portent les mêmes numéros de référence.  In these figures, the identical elements bear the same reference numbers.
Les réalisations suivantes sont des exemples. Bien que la description se réfère à un ou plusieurs modes de réalisation, ceci ne signifie pas nécessairement que chaque référence concerne le même mode de réalisation ou que les caractéristiques s'appliquent seulement à un seul mode de réalisation. De simples caractéristiques de différents modes de réalisation peuvent également être combinées ou interchangées pour fournir d'autres réalisations. La figure 1 montre un dispositif de fermeture 1 pour contenant 2 de liquide, tel qu'un corps de bouteille ou de gourde, par exemple en matériau plastique, permettant notamment le transport d'une boisson.  The following achievements are examples. Although the description refers to one or more embodiments, this does not necessarily mean that each reference relates to the same embodiment or that the features apply only to a single embodiment. Simple features of different embodiments may also be combined or interchanged to provide other embodiments. FIG. 1 shows a closure device 1 for containing 2 of liquid, such as a bottle or gourd body, for example made of plastic material, notably allowing the transport of a beverage.
Le dispositif de fermeture 1 comporte une embase 3 destinée à être montée sur le contenant 2, par exemple de manière amovible, un goulot 4 monté mobile sur l'embase 3 entre une position haute de fermeture dans laquelle le liquide ne peut pas sortir du contenant 2 (figure 2) et une position basse d'ouverture dans laquelle l'utilisateur peut accéder au liquide (figure 11 ).  The closure device 1 comprises a base 3 intended to be mounted on the container 2, for example in a removable manner, a neck 4 mounted to move on the base 3 between a high closing position in which the liquid can not leave the container 2 (Figure 2) and a low opening position in which the user can access the liquid (Figure 11).
Comme mieux visible sur les figures 2, 3, 4a et 4b, l'embase 3 comporte un socle 5 et un tube 7. L'embase 3 est de préférence réalisée en une seule pièce par exemple en matériau plastique.  As best seen in Figures 2, 3, 4a and 4b, the base 3 comprises a base 5 and a tube 7. The base 3 is preferably made in one piece for example plastic material.
Le socle 5 présente une portion annulaire dont l'intérieur porte un moyen de fixation 6, tel qu'un pas de vis complémentaire au contenant 2, configuré pour solidariser de manière réversible l'embase 3 au contenant 2 (figure 2). Le socle 5 est fermé radialement autour du tube 7 par une paroi 9 par exemple plane du socle 5 et perpendiculaire à l'axe du tube 7, le tube 7 fai- sant saillie de la paroi 9 du côté du goulot 4, par exemple de manière centrale par rapport au socle 5.  The base 5 has an annular portion, the inside of which carries a fixing means 6, such as a screw thread complementary to the container 2, configured for reversibly securing the base 3 to the container 2 (FIG. 2). The base 5 is closed radially around the tube 7 by a wall 9, for example a plane of the base 5 and perpendicular to the axis of the tube 7, the tube 7 protruding from the wall 9 on the side of the neck 4, for example centrally in relation to the base 5.
Le socle 5 peut également porter un organe d'articulation 10 et un élément de verrouillage 11 destinés à coopérer avec un couvercle (non représenté) monté en pivotement sur l'embase 3.  The base 5 can also carry a hinge member 10 and a locking element 11 intended to cooperate with a lid (not shown) pivotally mounted on the base 3.
Le tube 7, creux, est destiné à être mis en communication avec l'intérieur du contenant The tube 7, hollow, is intended to be placed in communication with the interior of the container
2. Au moins un orifice 12 est ménagé dans le tube 7, par exemple à une extrémité axiale 13a du tube 7. Le tube 7 traverse ainsi le socle 5 pour qu'une fois l'embase 3 montée sur le contenant 2 et le goulot 4 en position basse d'ouverture, le liquide puisse s'écouler à travers le tube 7. Le dispositif de fermeture 1 comporte en outre une membrane 14 élastique agencée dans une ouverture 15 du goulot 4 (figures 5 et 6). 2. At least one orifice 12 is formed in the tube 7, for example at an axial end 13a of the tube 7. The tube 7 thus passes through the base 5 so that once the base 3 mounted on the container 2 and the neck 4 in the low opening position, the liquid can flow through the tube 7. The closure device 1 further comprises an elastic membrane 14 arranged in an opening 15 of the neck 4 (FIGS. 5 and 6).
Comme visible sur les figures 6 et 7, la membrane 14 présente une forme générale de disque complémentaire à l'ouverture 15 circulaire du goulot 4.  As can be seen in FIGS. 6 and 7, the membrane 14 has the general shape of a disk complementary to the circular opening of the neck 4.
La membrane 14 comporte au moins une fente 16 fermée sur elle-même en position de repos lorsque le goulot 4 est en position haute de fermeture, obstruant ainsi l'ouverture 15 du goulot 4 de manière étanche.  The membrane 14 has at least one slot 16 closed on itself in the rest position when the neck 4 is in the upper closed position, thereby obstructing the opening 15 of the neck 4 sealingly.
La membrane 14 est par exemple un matériau synthétique souple tel qu'un matériau sili- cone ou un élastomère thermoplastique (TPE). La membrane 14 est en une seule pièce. Elle peut être obtenue par moulage. La fente 16 est par exemple ménagée par une découpe de la membrane 14.  The membrane 14 is for example a flexible synthetic material such as a silicone material or a thermoplastic elastomer (TPE). The membrane 14 is in one piece. It can be obtained by molding. The slot 16 is for example formed by a cutout of the membrane 14.
La membrane 14 et l'ouverture 15 du goulot 4 comportent par exemple une gorge annulaire 17 apte à coopérer avec une nervure annulaire 18 complémentaire, l'un étant porté par la membrane 14, l'autre étant porté par l'ouverture 15. La gorge annulaire 17 est par exemple mé- nagée dans la membrane 14 (figure 6) et la nervure annulaire 18 est formée dans l'ouverture 15 du goulot 4 (figure 5) ou inversement. La gorge annulaire 17 et la nervure annulaire 18 permettent le montage étanche et le maintien de la membrane 14 dans l'ouverture 15 du goulot 4. De plus, la membrane 14 peut être facilement démontée pour être nettoyée et éventuellement remplacée.  The membrane 14 and the opening 15 of the neck 4 comprise for example an annular groove 17 adapted to cooperate with a complementary annular rib 18, one being carried by the membrane 14, the other being carried by the opening 15. For example, the annular groove 17 is provided in the membrane 14 (FIG. 6) and the annular rib 18 is formed in the opening 15 of the neck 4 (FIG. 5) or vice versa. The annular groove 17 and the annular rib 18 allow the tight fitting and the maintenance of the membrane 14 in the opening 15 of the neck 4. In addition, the membrane 14 can be easily dismantled for cleaning and possibly replaced.
Le tube 7 est agencé à l'arrière de la membrane 14 en position haute de fermeture du goulot 4 de sorte que l'abaissement du goulot 4 vers l'embase 3 en position basse d'ouverture dans la direction axiale du tube 7, ouvre la membrane 14 par déformation de la au moins une fente 16 par l'extrémité axiale 13a du tube 7. Plus précisément, l'extrémité axiale 13a du tube 7 s'engage à travers la au moins une fente 16 pour ouvrir la membrane 14 (figures 10 et 11 ).  The tube 7 is arranged at the rear of the membrane 14 in the upper position of closure of the neck 4 so that the lowering of the neck 4 towards the base 3 in the low position of opening in the axial direction of the tube 7, opens the membrane 14 by deformation of the at least one slot 16 by the axial end 13a of the tube 7. More specifically, the axial end 13a of the tube 7 engages through the at least one slot 16 to open the membrane 14 ( Figures 10 and 11).
L'extrémité axiale 13a du tube 7 déforme ainsi la membrane 14 élastique pour libérer un passage pour le liquide (figures 2 et 11 ).  The axial end 13a of the tube 7 thus deforms the elastic membrane 14 to release a passage for the liquid (FIGS. 2 and 11).
Le goulot 4 est monté mobile sur l'embase 3 entre une position haute de fermeture et une position basse d'ouverture sur une course axiale d permettant par exemple qu'en position basse d'ouverture, la membrane 14 sollicite élastiquement le retour du goulot 4 en position haute de fermeture (figure 2). La course axiale d peut être comprise entre 4mm et 6mm, telle que de l'ordre de 5mm.  The neck 4 is movably mounted on the base 3 between a high closing position and a low opening position on an axial stroke d allowing for example in low opening position, the membrane 14 resiliently urges the return of the neck 4 in the high closing position (Figure 2). The axial stroke d can be between 4mm and 6mm, such as of the order of 5mm.
La position haute du goulot 4 éloigne le tube 7 de la membrane 14 qui reprend une position de repos, fermée sur elle-même. Ainsi lorsque l'utilisateur relâche l'appui exercé sur le gou- lot 4, le goulot 4 reprend la position haute de fermeture. Cela permet de fermer la gourde de manière étanche lorsque la gourde n'est pas utilisée. La membrane 14 joue alors d'une part, un rôle de joint d'étanchéité et d'autre part, un rôle de ressort de rappel en position haute de fermeture du goulot 4 à l'écart de l'embase 3. The high position of the neck 4 moves the tube 7 away from the membrane 14 which resumes a rest position, closed on itself. Thus, when the user releases the support exerted on the government, Lot 4, the neck 4 resumes the upper closing position. This will close the gourd tightly when the gourd is not used. The membrane 14 then acts on the one hand, a role of seal and on the other hand, a role of return spring in the upper position of closure of the neck 4 away from the base 3.
II est toutefois également possible de prévoir un organe élastique 19 additionnel, tel qu'une lame élastique ou un ressort hélicoïdal, interposé entre le goulot 4 et l'embase 3 pour solliciter le goulot 4 en position haute de fermeture (en pointillés sur la figure 2). Un organe élastique 19 additionnel permet de sécuriser le retour en position haute de fermeture indépendamment de l'éventuelle usure de la membrane 14. Le dispositif de fermeture 1 est sollicité ain- si en position haute de fermeture lorsqu'aucune pression n'est exercée sur le goulot 4, par sollicitation de la membrane 14 et/ou par sollicitation de l'organe élastique 19 additionnel.  However, it is also possible to provide an additional elastic member 19, such as an elastic blade or a helical spring, interposed between the neck 4 and the base 3 to urge the neck 4 in the upper closed position (in dashed lines in the figure 2). An additional elastic member 19 makes it possible to secure the return to the high closing position independently of the possible wear of the membrane 14. The closure device 1 is thus urged in the upper closed position when no pressure is exerted on the neck 4, by biasing the membrane 14 and / or by biasing the additional elastic member 19.
La gorge annulaire 17 peut être ménagée dans des bourrelets 45, 46 annulaires asymétriques de la membrane 14, le bourrelet 45 intérieur (côté contenant 2) étant plus épais que le bourrelet 46 extérieur, le bourrelet 45 intérieur coopérant avec un épaulement complémentaire 47 du goulot 4 (figures 5 et 6). Cette asymétrie de la membrane 14 lui permet d'être plus difficile à sortir en poussant depuis l'intérieur qu'en poussant depuis l'extérieur du contenant 2. La membrane 14 peut ainsi être ôtée plus facilement lorsqu'elle est poussée par l'utilisateur depuis l'extérieur du goulot 4 que lorsqu'elle est poussée par le tube 7.  The annular groove 17 may be formed in asymmetric annular beads 45, 46 of the membrane 14, the inner bead 45 (containing side 2) being thicker than the outer bead 46, the inner bead 45 cooperating with a complementary shoulder 47 of the neck 4 (Figures 5 and 6). This asymmetry of the membrane 14 allows it to be more difficult to exit by pushing from the inside than pushing from outside the container 2. The membrane 14 can thus be removed more easily when pushed by the from the outside of the neck 4 than when it is pushed by the tube 7.
Dans le premier exemple de réalisation, la au moins une fente 16 est ménagée dans une paroi 20 plane de la membrane 14 (figure 6).  In the first exemplary embodiment, the at least one slot 16 is formed in a plane wall 20 of the membrane 14 (FIG. 6).
La paroi 20 est par exemple agencée dans au moins un renfoncement 43a, 43b de la membrane 14, le renfoncement 43a, 43b formant ici une marche annulaire dans la membrane 14.  The wall 20 is for example arranged in at least one recess 43a, 43b of the membrane 14, the recess 43a, 43b forming here an annular step in the membrane 14.
Le au moins un renfoncement 43b est de préférence situé du côté de la membrane 14 destiné à coopérer avec l'extrémité axiale 13a du tube 7. Dans l'exemple représenté, la paroi 20 est agencée dans deux renfoncements 43a, 43b de la membrane 14, ménagés dans les deux faces opposées de la membrane 14.  The at least one recess 43b is preferably located on the side of the membrane 14 intended to cooperate with the axial end 13a of the tube 7. In the example shown, the wall 20 is arranged in two recesses 43a, 43b of the membrane 14 , formed in the two opposite faces of the membrane 14.
Le au moins un renfoncement 43a, 43b créé une zone de rigidité qui favorise le retour de la membrane 14 en position de repos, ce qui améliore la qualité du rappel élastique de la membrane 14 en position haute de fermeture.  The at least one recess 43a, 43b creates a zone of rigidity that promotes the return of the membrane 14 in the rest position, which improves the quality of the elastic return of the membrane 14 in the upper closed position.
On peut prévoir en outre qu'en position haute de fermeture, la membrane 14 soit agencée contre l'extrémité axiale 13a du tube 7 pour fermer le tube 7. L'orifice 12 du tube 7 situé à l'extrémité axiale 13a du tube 7, peut ainsi être obturé par la membrane 14 en position haute de fermeture (figure 2). La membrane 14 fait alors office de joint d'étanchéité frontale, fermant l'orifice 12 du tube 7 de manière étanche en position haute de fermeture. It can further be provided that in the high position of closure, the membrane 14 is arranged against the axial end 13a of the tube 7 to close the tube 7. The orifice 12 of the tube 7 located at the axial end 13a of the tube 7 , can thus be closed by the membrane 14 in the high position of closure (Figure 2). The membrane 14 then acts as a frontal seal, closing the orifice 12 of the tube 7 in a sealed manner in the upper closed position.
La membrane 14 comporte en outre ici deux fentes 16 qui se croisent perpendiculairement en croix (figure 7). Cette forme en croix améliore l'étanchéité entre le tube 7 et la mem- brane 14 en position basse d'ouverture et permet d'équilibrer l'effort appliqué sur le goulot 4 pour déformer et ouvrir la membrane 14. La force de rappel de la membrane 14 vers la position haute de fermeture est également optimisée.  The membrane 14 further comprises two slots 16 which cross perpendicularly cross (Figure 7). This cross-shaped shape improves the seal between the tube 7 and the membrane 14 in the low opening position and makes it possible to balance the force applied on the neck 4 to deform and open the membrane 14. The restoring force of the membrane 14 to the high closing position is also optimized.
En outre dans cet exemple, les extrémités 21 de la au moins une fente 16 se divisent en deux branches, se terminant en « Y ». Cette forme en « Y » permet de limiter les déchirures ou fissures des extrémités 21 des fentes 16.  Furthermore in this example, the ends 21 of the at least one slot 16 divide into two branches, ending in "Y". This "Y" shape makes it possible to limit tears or cracks in the ends 21 of the slots 16.
Par ailleurs, selon un exemple de réalisation, au moins une portion du tube 7 s'inscrit dans une forme tronconique.  Moreover, according to an exemplary embodiment, at least a portion of the tube 7 is in a frustoconical shape.
Plus précisément, le tube 7 présente par exemple une forme bi-étagée, comportant une portion distale 13 surmontant une portion proximale 22, la portion proximale 22 faisant directe- ment saillie de la paroi 9 du socle 5, la portion distale 13 présentant un passage plus étroit que la portion proximale 22 (figure 4a).  More specifically, the tube 7 has for example a two-stage shape, comprising a distal portion 13 surmounting a proximal portion 22, the proximal portion 22 projecting directly from the wall 9 of the base 5, the distal portion 13 having a passage narrower than the proximal portion 22 (Figure 4a).
L'extrémité axiale 13a de la portion distale 13 du tube 7 permettant l'ouverture de la membrane 14, présente par exemple une forme tronconique (figure 4a). L'angle ai entre la surface conique de l'extrémité axiale 13a et l'axe du tube 7 est par exemple compris entre 1 ° et 25°.  The axial end 13a of the distal portion 13 of the tube 7 allowing the opening of the membrane 14, for example has a frustoconical shape (Figure 4a). The angle α between the conical surface of the axial end 13a and the axis of the tube 7 is for example between 1 ° and 25 °.
La forme tronconique dans laquelle s'inscrit l'extrémité axiale 13a du tube 7 permet une ouverture progressive de la membrane 14, générant un effort à exercer progressif pour l'utilisateur, ce qui est plus ergonomique. De plus, cela permet une mise en tension progressive de la membrane 14, limitant l'usure de la membrane 14. Cette forme permet en outre un meilleur pla- quage des lèvres de la au moins une fente 16 contre l'extrémité axiale 13a, permettant d'obtenir une très bonne étanchéité entre la membrane 14 et le tube 7.  The frustoconical shape in which fits the axial end 13a of the tube 7 allows a progressive opening of the membrane 14, generating a progressive effort to exercise for the user, which is more ergonomic. In addition, this allows a progressive tensioning of the membrane 14, limiting the wear of the membrane 14. This shape also allows better sealing of the lips of the at least one slot 16 against the axial end 13a, making it possible to obtain a very good seal between the membrane 14 and the tube 7.
Une base 13b de la portion distale 13 du tube 7, surmontée par l'extrémité axiale 13a et interposée entre l'extrémité axiale 13a et la portion proximale 22 du tube 7, présente par exemple une forme tronconique (figure 4b). L'angle a2 entre la surface conique de la base 13b et un plan perpendiculaire à l'axe du tube 7 est par exemple compris entre 90° et 115°. A base 13b of the distal portion 13 of the tube 7, surmounted by the axial end 13a and interposed between the axial end 13a and the proximal portion 22 of the tube 7, has for example a frustoconical shape (Figure 4b). The angle a 2 between the conical surface of the base 13b and a plane perpendicular to the axis of the tube 7 is for example between 90 ° and 115 °.
La membrane 14 peut également comporter un organe d'étanchéité radiale 23 formé par une bague portant une lèvre annulaire d'extrémité (figure 6). La membrane 14 est d'une seule pièce avec l'organe d'étanchéité radiale 23. La lèvre annulaire d'étanchéité est destinée à être en contact avec le tube 7 de l'embaseThe membrane 14 may also comprise a radial sealing member 23 formed by a ring carrying an annular end lip (Figure 6). The membrane 14 is in one piece with the radial sealing member 23. The annular sealing lip is intended to be in contact with the tube 7 of the base
3 et plus précisément, avec la base 13b de la portion distale 13 du tube 7 notamment en position basse d'ouverture (figure 11 ). L'organe d'étanchéité radiale 23 coopérant avec la base 13b de forme tronconique, permet de renforcer l'étanchéité de fermeture autour de l'orifice 12 du tube 7. 3 and more precisely, with the base 13b of the distal portion 13 of the tube 7 in particular in the lower open position (Figure 11). The radial sealing member 23 cooperating with the frustoconical base 13b makes it possible to reinforce the closure seal around the orifice 12 of the tube 7.
Le goulot 4 et l'embase 3 comportent en outre des moyens de coopération permettant de maintenir et guider le goulot 4 par rapport à l'embase 3.  The neck 4 and the base 3 further comprise means of cooperation for maintaining and guiding the neck 4 relative to the base 3.
Pour cela, les moyens de coopération comportent par exemple au moins une rainure axiale 24 coopérant avec au moins un ergot 25 complémentaire, l'un étant porté par le goulot 4, l'autre étant porté par l'embase 3 (figures 3 et 5). La rainure axiale 24 s'étend dans la direction axiale du tube 7. Elle présente une butée axiale 26 contre laquelle l'ergot 25 vient en appui en position haute de fermeture.  For this, the cooperation means comprise for example at least one axial groove 24 cooperating with at least one complementary lug 25, one being carried by the neck 4, the other being carried by the base 3 (FIGS. ). The axial groove 24 extends in the axial direction of the tube 7. It has an axial stop 26 against which the lug 25 bears in the upper closed position.
On prévoit par exemple que l'embase 3 porte deux rainures axiales 24 diamétralement opposées, par exemple portées par une couronne 27 de l'embase 3, la couronne 27 surmontant le socle 5 et entourant concentriquement la portion proximale 22 du tube 7 (figure 4a). Le goulot For example, the base 3 carries two diametrically opposed axial grooves 24, for example carried by a ring 27 of the base 3, the ring 27 surmounting the base 5 and concentrically surrounding the proximal portion 22 of the tube 7 (FIG. ). The bottleneck
4 porte par exemple deux ergots 25 s'étendant radialement l'un vers l'autre. Les ergots 25 font saillie de l'extrémité d'une jupe 28 du goulot 4 (figure 5). 4 door for example two lugs 25 extending radially towards each other. The lugs 25 project from the end of a skirt 28 of the neck 4 (FIG. 5).
On peut prévoir également que le tube 7 de l'embase 3, et plus particulièrement la portion proximale 22 du tube 7, soit cylindrique et coopère avec un guide cylindrique 29 complé- mentaire du goulot 4 pour guider le déplacement axial et rotatif du goulot 4 par rapport à l'embase 3. Le guide cylindrique 29 s'étend par exemple de la jupe 28 du goulot 4, à l'intérieur de la jupe 28 et de manière concentrique par rapport à l'axe du tube 7.  It can also be provided that the tube 7 of the base 3, and more particularly the proximal portion 22 of the tube 7, is cylindrical and cooperates with a complementary cylindrical guide 29 of the neck 4 to guide the axial and rotary displacement of the neck 4 relative to the base 3. The cylindrical guide 29 extends for example from the skirt 28 of the neck 4, inside the skirt 28 and concentrically with respect to the axis of the tube 7.
Par ailleurs, l'extrémité du guide cylindrique 29 peut former une butée pour le goulot 4 lors de l'abaissement du goulot 4 contre la paroi 9 du socle 5 en position basse d'ouverture (fi- gure 11 ), limitant la course axiale d du goulot 4 (figure 2). Le fait que l'extrémité du guide cyln- drique 29 soit située à l'intérieur du goulot 4 permet en outre d'éviter de pincer les doigts de l'utilisateur en position basse d'ouverture.  Moreover, the end of the cylindrical guide 29 can form a stop for the neck 4 during the lowering of the neck 4 against the wall 9 of the base 5 in the low opening position (FIG. 11), limiting the axial stroke d of the neck 4 (Figure 2). The fact that the end of the cylindrical guide 29 is located inside the neck 4 also makes it possible to avoid pinching the user's fingers in the lower open position.
Selon un exemple de réalisation, les moyens de coopération sont également configurés pour guider le montage et le démontage du goulot 4 sur l'embase 3. Pour cela, les moyens de coopération comportent au moins une rainure de montage 30, communiquant avec la rainure axiale 24 et coopérant avec le au moins un ergot 25 (figure 3).  According to an exemplary embodiment, the cooperation means are also configured to guide the assembly and disassembly of the neck 4 on the base 3. For this, the cooperation means comprise at least one mounting groove 30, communicating with the axial groove 24 and cooperating with the at least one lug 25 (Figure 3).
La rainure de montage 30 s'étend partiellement sur le pourtour du goulot 4 ou de l'embase 3, permettant un montage de type « poussé-tourné », également appelé montage « baïon- nette » ou montage « quart de tour ». La rainure de montage 30 s'étend par exemple sur un angle compris entre 30° (1/12 de tour) et 90° (quart de tour). The mounting groove 30 extends partially around the perimeter of the neck 4 or the base 3, allowing a type of "pushed-turned", also called "bayonet-mount" assembly. net or "quarter turn" mounting. The mounting groove 30 extends for example at an angle of between 30 ° (1/12 turn) and 90 ° (quarter turn).
On prévoit par exemple que l'embase 3 porte deux rainures de montage 30 diamétralement opposées, portées par la couronne 27 de l'embase 3 (figures 3 et 4a).  For example, the base 3 carries two diametrically opposed mounting grooves 30 carried by the ring 27 of the base 3 (FIGS. 3 and 4a).
Selon un premier exemple représenté sur la figure 3, la rainure de montage 30 est configurée pour guider un abaissement progressif du goulot 4 vers l'embase 3 simultanément à la rotation du goulot 4 lors du montage du goulot 4.  According to a first example shown in FIG. 3, the mounting groove 30 is configured to guide a progressive lowering of the neck 4 towards the base 3 simultaneously with the rotation of the neck 4 during assembly of the neck 4.
Pour cela, la rainure de montage 30 comporte par exemple une rampe de montage 31 , linéaire (figure 3). La rainure de montage 30 peut comporter en outre une rainure annulaire 32, perpendiculaire à la rainure axiale 24 et interposée entre la rainure axiale 24 et la rampe de montage 31 . La rainure annulaire 32 et la rainure axiale 24 se rejoignent perpendiculairement, à l'opposé de la butée axiale 26.  For this, the mounting groove 30 comprises for example a linear mounting ramp 31 (Figure 3). The mounting groove 30 may further comprise an annular groove 32, perpendicular to the axial groove 24 and interposed between the axial groove 24 and the mounting ramp 31. The annular groove 32 and the axial groove 24 meet perpendicularly, opposite the axial stop 26.
La rainure axiale 24 est par exemple plus profonde que la rainure de montage 30. Ainsi, en fin de montage, le au moins un ergot 25 « tombe » dans la rainure axiale 24, ce qui permet d'informer l'utilisateur du montage correct du goulot 4. Au démontage, l'utilisateur presse le goulot 4 pour le déformer et sortir le au moins un ergot 25 de la rainure axiale 24 et pour l'engager sur la rainure de montage 30. On ajoute ainsi une sécurité permettant d'éviter un démontage involontaire du goulot 4 ou le démontage du goulot 4 notamment par un enfant.  The axial groove 24 is for example deeper than the mounting groove 30. Thus, at the end of assembly, the at least one lug 25 "falls" in the axial groove 24, which informs the user of the correct assembly 4. During disassembly, the user presses the neck 4 to deform and remove the at least one lug 25 of the axial groove 24 and to engage it on the mounting groove 30. This adds a security allowing avoid unintentional disassembly of the neck 4 or disassembly of the neck 4 in particular by a child.
La rainure de montage 30 peut en outre comporter un clip d'indexage 33 interposé entre la rainure de montage 30 et la rainure axiale 24. Le clip d'indexage 33 est formé par une surépaisseur. Il permet l'indexage de la position de l'ergot 25 dans la rainure axiale 24. Lorsque l'utilisateur ressent avoir passé le point dur du clip d'indexage 33, il sait que le dispositif de fermeture 1 est assemblé correctement et que la gourde peut être utilisée.  The mounting groove 30 may further comprise an indexing clip 33 interposed between the mounting groove 30 and the axial groove 24. The indexing clip 33 is formed by an extra thickness. It allows the indexing of the position of the lug 25 in the axial groove 24. When the user feels having passed the hard point of the indexing clip 33, he knows that the closure device 1 is assembled correctly and that the gourd can be used.
Un repère 24 peut être agencé à l'extérieur de la jupe 28 du goulot 4 pour faciliter le re- pérage de la position angulaire du goulot 4 permettant l'insertion du au moins un ergot 25 dans la rainure de guidage 30 (figure 1 ).  A mark 24 may be arranged outside the skirt 28 of the neck 4 to facilitate the scanning of the angular position of the neck 4 allowing insertion of the at least one lug 25 into the guide groove 30 (FIG. 1) .
Ainsi au montage du goulot 4, l'utilisateur pivote le goulot 4 sur l'embase 3 jusqu'à trouver une position de montage pour l'insertion du au moins un ergot 25 dans la rainure de montage 30. En continuant la rotation du goulot 4, celui-ci s'insère progressivement dans la au moins une rampe de montage 31 pour s'abaisser en position basse d'ouverture et pour être guidé ensuite en rotation par la au moins une rainure annulaire 32. Après le passage du clip d'indexage 33, le au moins un ergot 25 pénètre dans la au moins une rainure axiale 24. Le goulot 4 « relâché », « remonte » jusqu'à la au moins une butée axiale 26 (figure 3). Au démontage du goulot 4, l'utilisateur commence par abaisser le goulot 4 pour le placer en position basse d'ouverture. Puis il presse le goulot 4 pour sortir de la rainure axiale 24 avant de le tourner. Le au moins un ergot 25 remonte ensuite la rampe de guidage 30 jusqu'à ce que le goulot 4 se désolidarise de l'embase 3. Thus, when mounting the neck 4, the user pivots the neck 4 on the base 3 until finding a mounting position for the insertion of the at least one lug 25 in the mounting groove 30. Continuing the rotation of the neck 4, it gradually fits into the at least one mounting ramp 31 to lower in the lower opening position and then to be guided in rotation by the at least one annular groove 32. After the passage of the clip d indexing 33, the at least one lug 25 enters the at least one axial groove 24. The neck 4 "released", "up" to the at least one axial stop 26 (Figure 3). On dismounting the neck 4, the user begins by lowering the neck 4 to place it in the low position of opening. Then he presses the neck 4 to exit the axial groove 24 before turning it. The at least one lug 25 then raises the guide ramp 30 until the neck 4 disengages from the base 3.
Grâce à la au moins une rainure de montage 30, le montage et le démontage du goulot With the at least one mounting groove 30, the assembly and disassembly of the neck
4 dans l'embase 3 est très facile à réaliser. Au montage, la rainure de montage 30 entraine le goulot 4 directement vers la position assemblée d'utilisation. Tourner le goulot 4 sur l'embase 3 pour le positionner correctement est en outre très intuitif. Par ailleurs, le fait de devoir pousser en tournant le goulot 4 pour pouvoir le démonter ajoute une sécurité pour empêcher le démon- tage par un enfant. 4 in the base 3 is very easy to achieve. On assembly, the mounting groove 30 drives the neck 4 directly to the assembled position of use. Turning the neck 4 on the base 3 to position it correctly is also very intuitive. On the other hand, having to push by turning neck 4 to disassemble it adds security to prevent disassembly by a child.
Le dispositif de fermeture 1 peut en outre comporter une membrane d'entrée d'air 35, agencée dans un orifice de la paroi 9 du socle 5 de l'embase 3 (figure 2).  The closure device 1 may further comprise an air inlet membrane 35, arranged in an orifice of the wall 9 of the base 5 of the base 3 (FIG. 2).
La membrane d'entrée d'air 35 est par exemple un matériau synthétique souple, tel qu'un matériau silicone ou un élastomère thermoplastique (TPE). La membrane d'entrée d'air 35 peut être obtenue par moulage.  The air inlet membrane 35 is for example a flexible synthetic material, such as a silicone material or a thermoplastic elastomer (TPE). The air inlet membrane 35 may be obtained by molding.
Comme mieux visible sur les figures 8 et 9, la membrane d'entrée d'air 35 est formée par un élément élastique présentant au moins une fente 38, fermée à l'état de repos (figure 8 et 9). La fente 38 est apte à s'ouvrir lorsque la pression dans le contenant 2 est inférieure à la pression externe, c'est-à-dire la pression régnant dans l'espace situé entre l'embase 3 et le goulot 4, pour permettre l'entrée d'air dans le contenant 2 lorsque le liquide s'écoule à travers le tube 7.  As best seen in Figures 8 and 9, the air inlet membrane 35 is formed by an elastic member having at least one slot 38, closed in the state of rest (Figure 8 and 9). The slot 38 is able to open when the pressure in the container 2 is lower than the external pressure, that is to say the pressure prevailing in the space between the base 3 and the neck 4, to allow the entry of air into the container 2 when the liquid flows through the tube 7.
Par exemple, la membrane d'entrée d'air 35 comporte un élément élastique creux en une seule pièce présentant une extrémité ouverte 36 et une extrémité concave 37 dans laquelle au moins une fente 38 est ménagée, la fente 38 étant fermée à l'état de repos, fermant l'extré- mité concave 37. L'extrémité concave 37 s'étend du côté du contenant 2 (figure 2).  For example, the air inlet membrane 35 comprises a hollow element in one piece having an open end 36 and a concave end 37 in which at least one slot 38 is formed, the slot 38 being closed in the state The concave end 37 extends to the side of the container 2 (FIG. 2).
La membrane d'entrée d'air 35 peut comporter un bourrelet de maintien 39 agencé du côté de l'extrémité ouverte 25 et une surépaisseur annulaire 40 permettant de retenir la membrane d'entrée d'air 35 dans l'orifice de la paroi 9 (figures 8 et 9). La membrane d'entrée d'air 35 peut aussi être surmoulée sur la paroi 9.  The air inlet membrane 35 may comprise a holding bead 39 arranged on the side of the open end 25 and an annular extra thickness 40 for retaining the air inlet membrane 35 in the orifice of the wall 9 (Figures 8 and 9). The air inlet membrane 35 may also be overmoulded on the wall 9.
En utilisation, au repos, le goulot 4 est sollicité en position haute de fermeture par l'élasticité de la membrane 14 et éventuellement, par l'organe élastique 19 additionnel (figure 2).  In use, at rest, the neck 4 is biased in the upper closed position by the elasticity of the membrane 14 and optionally by the additional elastic member 19 (Figure 2).
Les fentes 16 de la membrane 14 sont fermées sur elles-mêmes. La membrane 14 est alors non déformée et fermée de manière étanche. La membrane 14 est agencée contre l'ori- fice 12 du tube 7 empêchant l'écoulement du liquide hors du tube 7. La au moins une fente 38 de la membrane d'entrée d'air 35 est fermée (figure 2). The slots 16 of the membrane 14 are closed on themselves. The membrane 14 is then undeformed and sealed. The membrane 14 is arranged against the ori- Fice 12 of the tube 7 preventing the flow of liquid out of the tube 7. The at least one slot 38 of the air inlet membrane 35 is closed (Figure 2).
Lorsque l'utilisateur souhaite boire, il appuie par exemple avec sa bouche sur le goulot 4, exerçant une pression axiale sur le goulot 4 qui se translate vers l'embase 3. La portion proximale 22 cylindrique du tube 7 coopère avec le guide cylindrique 29 complémentaire du goulot 4 pour guider le déplacement axial du goulot 4 vers l'embase 3.  When the user wishes to drink, he presses for example with his mouth on the neck 4, exerting axial pressure on the neck 4 which is translated to the base 3. The cylindrical proximal portion 22 of the tube 7 cooperates with the cylindrical guide 29 complementary to the neck 4 to guide the axial displacement of the neck 4 towards the base 3.
L'abaissement du goulot 4 vers l'embase 3 déforme la au moins une fente 16 de la membrane 14 par poussée de l'extrémité axiale 13a du tube 7. L'extrémité axiale 13a du tube 7 s'engage à travers la au moins une fente 16 pour ouvrir la membrane 14 (figure 10). La forme tronconique dans laquelle s'inscrit l'extrémité axiale 13a permet une déformation progressive et donc une ouverture progressive de la membrane 14 (figure 10). La fente 38 de la membrane d'entrée d'air 35 peut s'ouvrir pour permettre l'entrée d'air dans le contenant 2 lorsque le liquide s'écoule à travers le tube 7.  The lowering of the neck 4 towards the base 3 deforms the at least one slot 16 of the membrane 14 by pushing the axial end 13a of the tube 7. The axial end 13a of the tube 7 engages through the at least one a slot 16 to open the membrane 14 (Figure 10). The frustoconical shape in which the axial end 13a fits allows progressive deformation and thus progressive opening of the membrane 14 (FIG. 10). The slot 38 of the air inlet membrane 35 can open to allow the entry of air into the container 2 as the liquid flows through the tube 7.
Lorsque l'extrémité de la couronne 27 entre en butée contre la jupe 28 du goulot 4, le goulot 4 atteint la fin de la course axiale d pour laquelle le goulot 4 est abaissé au maximum et la membrane 14 est ouverte au maximum (figure 11 ). Les lèvres de la membrane 14 écartées plaquent l'extrémité axiale 13a du tube 7 qui traverse la membrane 14. Le goulot 4 reste abaissé tant qu'une pression axiale est exercée. Dans cette position, la membrane 14 sollicite le retour du goulot 4 en position haute de fermeture.  When the end of the ring 27 abuts against the skirt 28 of the neck 4, the neck 4 reaches the end of the axial stroke d for which the neck 4 is lowered to the maximum and the membrane 14 is open to the maximum (FIG. ). The lips of the separated membrane 14 press the axial end 13a of the tube 7 which passes through the membrane 14. The neck 4 remains lowered as long as axial pressure is exerted. In this position, the membrane 14 urges the return of the neck 4 in the upper closed position.
Le dispositif de fermeture 1 permet ainsi à l'utilisateur d'accéder au liquide du contenant The closure device 1 thus allows the user to access the liquid of the container
2 par simple appui de la bouche sur le goulot 4. Le dispositif de fermeture 1 est donc simple, facile d'utilisation et ne comporte que très peu de pièces : deux membranes 14, 35, une embase 3, un goulot 4 et éventuellement un organe élastique 19 additionnel. La membrane 14 joue en effet d'une part, un rôle de joint d'étanchéité permettant d'obtenir une fermeture étanche du dis- positif de fermeture 1 et permet de garantir l'étanchéité autour du tube 7 ouvert dans la position basse d'ouverture. D'autre part, la membrane 14 joue un rôle de ressort de rappel en position haute de fermeture du goulot 4 à l'écart de l'embase 3. Le nombre limité de pièces abaisse le coût de fabrication et facilite le montage et le démontage du dispositif de fermeture 1 par l'utilisateur pour son nettoyage. De plus, le dispositif de fermeture 1 est entièrement démontable, ce qui facilite le nettoyage et permet si nécessaire, un remplacement aisé de la membrane 14. 2 by simply pressing the mouth on the neck 4. The closure device 1 is simple, easy to use and has only very few parts: two membranes 14, 35, a base 3, a neck 4 and optionally a additional elastic member 19. On the one hand, the diaphragm 14 acts as a seal to obtain a tight closure of the closure device 1 and makes it possible to guarantee the tightness around the open tube 7 in the low position. opening. On the other hand, the membrane 14 acts as a return spring in the upper position of closure of the neck 4 away from the base 3. The limited number of parts lowers the manufacturing cost and facilitates assembly and disassembly of the closure device 1 by the user for cleaning. In addition, the closure device 1 is completely removable, which facilitates cleaning and allows, if necessary, easy replacement of the membrane 14.
La figure 12 montre un deuxième exemple de réalisation d'une membrane 14'.  Figure 12 shows a second embodiment of a membrane 14 '.
Ce mode de réalisation se différencie du précédent par le fait que la au moins une fente 16 est ménagée dans une paroi 20' bombée de la membrane 14'. Cette paroi 20' bombée per- met notamment d'améliorer l'étanchéité de fermeture de l'orifice 12 du tube 7 par la membrane 14' en position haute de fermeture. This embodiment differs from the previous in that the at least one slot 16 is formed in a curved wall 20 'of the membrane 14'. This curved wall 20 ' in particular, it improves the sealing tightness of the orifice 12 of the tube 7 by the membrane 14 'in the upper closed position.
La figure 13 montre un troisième exemple de réalisation d'une membrane 14" pour laquelle la au moins une fente 16 est ménagée dans une paroi 20 plane de la membrane 14".  Figure 13 shows a third embodiment of a membrane 14 "for which the at least one slot 16 is formed in a flat wall 20 of the membrane 14".
Dans cet exemple, la paroi 20 est agencée dans un seul renfoncement 43a de la membrane 14" formant une marche annulaire qui n'est pas situé du côté de la membrane 14" destiné à coopérer avec l'extrémité axiale 13a du tube 7.  In this example, the wall 20 is arranged in a single recess 43a of the membrane 14 "forming an annular step which is not located on the side of the membrane 14" intended to cooperate with the axial end 13a of the tube 7.
La figure 14 montre un quatrième exemple de réalisation d'une membrane 14"'.  Figure 14 shows a fourth embodiment of a membrane 14 "'.
Ce mode de réalisation se différencie du troisième mode de réalisation par le fait que la paroi 20 est agencée dans un renfoncement 44 de bordure tronconique de la membrane 14"'.  This embodiment differs from the third embodiment in that the wall 20 is arranged in a recess 44 of frustoconical edge of the membrane 14 "'.
La figure 15 montre un cinquième exemple de réalisation d'une membrane 14"". Ce mode de réalisation se différencie du premier mode de réalisation par le fait que la membrane 14"" ne comporte pas d'organe d'étanchéité radiale.  Figure 15 shows a fifth embodiment of a membrane 14 "". This embodiment differs from the first embodiment in that the membrane 14 "" has no radial sealing member.
La figure 16 montre un deuxième exemple de réalisation de la rainure de montage 30' des moyens de coopération.  FIG. 16 shows a second exemplary embodiment of the mounting groove 30 'of the cooperation means.
Dans ce deuxième exemple, la rainure de montage 30' présente une forme générale en In this second example, the mounting groove 30 'has a general shape in
« U ». "U".
La rainure de montage 30' comporte une rainure axiale de montage 41 et une rainure annulaire 32', perpendiculaire à la rainure axiale 24 et à la rainure axiale de montage 41 , la rai- nure annulaire 32' étant interposée entre la rainure axiale 24 et la rainure axiale de montage 41 . La rainure annulaire 32' et la rainure axiale 24 se rejoignent perpendiculairement, à l'opposé de la butée axiale 26.  The mounting groove 30 'has an axial mounting groove 41 and an annular groove 32' perpendicular to the axial groove 24 and the axial mounting groove 41, the annular groove 32 'being interposed between the axial groove 24 and the axial mounting groove 41. The annular groove 32 'and the axial groove 24 meet perpendicularly, opposite the axial stop 26.
Ainsi au montage du goulot 4, l'utilisateur pivote le goulot 4 sur l'embase 3 jusqu'à trouver une position de montage permettant aux ergots 25 de s'insérer dans les rainures de mon- tage 30'. Puis, l'utilisateur appuie sur le goulot 4 et le pivote pour que les ergots 25 suivent les rainures annulaires 32'. Après le passage des clips d'indexage 33, les ergots 25 pénètrent dans les rainures axiales 24 où le goulot 4 sollicité en position haute de fermeture « remonte » jusqu'à venir contre les butées axiales 26.  Thus, when mounting the neck 4, the user pivots the neck 4 on the base 3 until finding a mounting position allowing the lugs 25 to be inserted into the mounting grooves 30 '. Then, the user presses the neck 4 and pivots it so that the lugs 25 follow the annular grooves 32 '. After the passage of the indexing clips 33, the lugs 25 penetrate into the axial grooves 24 where the neck 4 biased in the upper closed position "up" until it comes against the axial stops 26.
Au démontage du goulot 4, l'utilisateur commence par abaisser le goulot 4 pour le placer en position basse d'ouverture avant de le presser pour le tourner. Le goulot 4 peut être libéré de l'embase 3 après le passage des ergots 25 dans les rainures axiales de montage 41.  When the neck 4 is disassembled, the user begins by lowering the neck 4 to place it in the lower open position before pressing it to turn it. The neck 4 can be released from the base 3 after the passage of the lugs 25 in the axial mounting grooves 41.
Le montage et le démontage du goulot 4 dans l'embase 3 est donc très simple. La rainure de montage 30' entraine le goulot 4 directement dans la position d'utilisation. Tourner le goulot 4 sur l'embase 3 pour le positionner correctement est très intuitif. Par ailleurs, au démontage, le fait de devoir pousser le goulot 4 pour le tourner sécurise la fermeture du dispositif 1. The assembly and disassembly of the neck 4 in the base 3 is very simple. The mounting groove 30 'causes the neck 4 directly in the position of use. Turn the neck 4 on the base 3 to position correctly is very intuitive. Moreover, when disassembling, the fact of having to push the neck 4 to turn it secures the closure of the device 1.
La figure 17 montre un troisième exemple de réalisation de la rainure de montage 30" des moyens de coopération du dispositif de fermeture 1.  FIG. 17 shows a third exemplary embodiment of the mounting groove 30 "of the cooperation means of the closure device 1.
Ce troisième exemple se différencie du précédent par le fait que la rainure annulaire de montage 32" et la rainure axiale 24 se rejoignent du côté de la butée axiale 26.  This third example differs from the previous example in that the annular mounting groove 32 "and the axial groove 24 meet on the axial abutment side 26.
Ainsi au montage du goulot 4, l'utilisateur pivote le goulot 4 sur l'embase 3 jusqu'à trouver une position de montage permettant aux ergots 16 de s'insérer dans les rainures axiales de montage 41 '. Puis, l'utilisateur appuie sur le goulot 4 et le pivote pour que les ergots 25 suivent les rainures annulaires 32", passent les points durs des clips d'indexage 33 et pénètrent dans les rainures axiales 24, achevant le montage du goulot 4 qui reste positionné en position haute de fermeture.  Thus, when mounting the neck 4, the user pivots the neck 4 on the base 3 until finding a mounting position allowing the lugs 16 to be inserted into the axial mounting grooves 41 '. Then, the user presses on the neck 4 and pivots it so that the lugs 25 follow the annular grooves 32 ", pass the hard points of the indexing clips 33 and penetrate into the axial grooves 24, completing the assembly of the neck 4 which remains positioned in the upper closed position.
Au démontage du goulot 4, l'utilisateur presse puis tourne le goulot 4 jusqu'à ce que les ergots 16 se positionnent face à des extrémités débouchantes des rainures de montage 30".  When the neck 4 is disassembled, the user presses and then turns the neck 4 until the lugs 16 are positioned facing the open ends of the mounting grooves 30 ".
Ici également, le montage et le démontage du goulot 4 dans l'embase 3 est très simple. Here also, the assembly and disassembly of the neck 4 in the base 3 is very simple.
Lors de la rotation du goulot 4, les rainures de montage 30" guident le goulot 4 vers la position assemblée d'utilisation. Tourner le goulot 4 sur l'embase 3 pour le positionner correctement est donc très intuitif. When rotating the neck 4, the mounting grooves 30 "guide the neck 4 to the assembled position of use.Turn the neck 4 on the base 3 to position it correctly is very intuitive.
La figure 18 montre un quatrième exemple de réalisation de la rainure de montage 30"' des moyens de coopération du dispositif de fermeture 1.  FIG. 18 shows a fourth embodiment of the mounting groove 30 '' of the cooperation means of the closure device 1.
Dans cet exemple, la rainure de montage 30"' est configurée pour guider un abaissement progressif du goulot 4 vers l'embase 3 simultanément à la rotation du goulot 4 lors du montage du goulot 4.  In this example, the mounting groove 30 "'is configured to guide a progressive lowering of the neck 4 towards the base 3 simultaneously with the rotation of the neck 4 during assembly of the neck 4.
Pour cela, la rainure de montage 30"' comporte au moins une portion arrondie 48 située entre l'extrémité débouchante de la rainure de montage 30"' et la rainure axiale 24.  For this, the mounting groove 30 "'has at least one rounded portion 48 located between the open end of the mounting groove 30"' and the axial groove 24.
La figure 18 illustre un exemple pour lequel la portion arrondie 48 s'étend sur toute la rainure de montage 30"' et présente une forme d'arc de cercle. D'autres réalisations sont possibles. La rainure de montage peut par exemple présenter une portion arrondie en forme de « S ».  Figure 18 illustrates an example for which the rounded portion 48 extends over the entire mounting groove 30 "'and is arcuate in shape, other embodiments are possible, for example, the mounting groove rounded portion in the shape of "S".

Claims

REVENDICATIONS
1. Dispositif de fermeture (1 ) pour contenant (2) de liquide caractérisé en ce qu'il comporte :  1. Closure device (1) for a liquid container (2) characterized in that it comprises:
une embase (3) destinée à être montée sur le contenant (2), l'embase (3) comportant un tube (7) destiné à être mis en communication avec l'intérieur du contenant (2),  a base (3) intended to be mounted on the container (2), the base (3) comprising a tube (7) intended to be placed in communication with the inside of the container (2),
un goulot (4) monté mobile sur l'embase (3) entre une position haute de fermeture et une position basse d'ouverture,  a neck (4) movably mounted on the base (3) between a high closing position and a low opening position,
une membrane (14 ; 14' ; 14" ; 14"' ; 14"") élastique agencée dans une ouverture (15) du goulot (4), la membrane (14 ; 14' ; 14" ; 14"' ; 14"") comportant au moins une fente (16) fermée sur elle-même en position de repos lorsque le goulot (4) est en position haute de fermeture, le tube (7) étant agencé à l'arrière de la membrane (14 ; 14' ; 14" ; 14"' ; 14"") dans la position haute de fermeture du goulot (4) de sorte que l'abaissement du goulot (4) vers l'embase (3) en position basse d'ouverture ouvre la membrane (14 ; 14' ; 14" ; 14"' ; 14"") par déformation de la au moins une fente (16) par l'extrémité axiale (13a) du tube (7). a resilient membrane (14; 14 '; 14 "; 14"'; 14 "'') arranged in an opening (15) of the neck (4), the membrane (14; 14 '; 14"; 14 "'; 14"; ") having at least one slot (16) closed on itself in the rest position when the neck (4) is in the upper closed position, the tube (7) being arranged at the rear of the membrane (14; 14 ", 14" "14" ") in the upper closed position of the neck (4) so that the lowering of the neck (4) towards the base (3) in the lower open position opens the membrane (14; 14 '; 14 "; 14"'; 14 "") by deforming the at least one slot (16) by the axial end (13a) of the tube (7).
2. Dispositif de fermeture (1 ) selon la revendication précédente, caractérisé en ce qu'en position basse d'ouverture, l'extrémité axiale (13a) du tube (7) est engagée à travers la au moins une fente (16) pour ouvrir la membrane (14 ; 14' ; 14" ; 14"' ; 14""). 2. Closure device (1) according to the preceding claim, characterized in that in the low position of opening, the axial end (13a) of the tube (7) is engaged through the at least one slot (16) for open the membrane (14; 14 '; 14 "; 14"'; 14 "").
3. Dispositif de fermeture (1 ) selon l'une des revendications précédentes, caractérisé en ce que le goulot (4) est monté mobile sur l'embase (3) entre une position haute de fermeture et une position basse d'ouverture sur une course axiale (d) permettant qu'en position basse d'ouverture, la membrane (14 ; 14' ; 14" ; 14"' ; 14"") sollicite élastiquement le retour du goulot (4) en position haute de fermeture.  3. Closing device (1) according to one of the preceding claims, characterized in that the neck (4) is movably mounted on the base (3) between a high position of closure and a low position of opening on a axial stroke (d) allowing the diaphragm (14; 14 '; 14 "; 14"'; 14 "') to resiliently bias the return of the neck (4) to the upper closed position.
4. Dispositif de fermeture (1 ) selon l'une des revendications précédentes, caractérisé en ce que l'extrémité axiale (13a) du tube (7) permettant l'ouverture de la membrane (14 ; 14' ; 14" ; 14"' ; 14"") présente une forme tronconique.  4. Closing device (1) according to one of the preceding claims, characterized in that the axial end (13a) of the tube (7) allowing the opening of the membrane (14; 14 '; 14 "; 14"; 14 "") has a frustoconical shape.
5. Dispositif de fermeture (1 ) selon l'une des revendications précédentes, caractérisé en ce qu'en position haute de fermeture, la membrane (14 ; 14' ; 14" ; 14"' ; 14"") est agencée contre l'extrémité axiale (13a) du tube (7) pour fermer le tube (7).  5. Closure device (1) according to one of the preceding claims, characterized in that in the upper closed position, the membrane (14; 14 '; 14 "; 14"'; 14 "") is arranged against the axial end (13a) of the tube (7) for closing the tube (7).
6. Dispositif de fermeture (1 ) selon l'une des revendications précédentes, caractérisé en ce que la membrane (14 ; 14' ; 14" ; 14"' ; 14"") comporte au moins deux fentes (16) qui se croisent perpendiculairement en croix, avec de préférence les extrémités (21 ) des fentes (16) se terminant en « Y ». 6. Closure device (1) according to one of the preceding claims, characterized in that the membrane (14; 14 '; 14 ";14"'; 14 "") comprises at least two slots (16) which cross perpendicularly crosswise, preferably with the ends (21) of the slots (16) ending in "Y".
7. Dispositif de fermeture (1 ) selon l'une des revendications précédentes, caractérisé en ce que la membrane (14 ; 14' ; 14" ; 14"') comporte un organe d'étanchéité radiale (23) for- mé par une bague portant une lèvre annulaire d'extrémité destinée à être en contact avec le tube (7) de l'embase (3).  7. Closure device (1) according to one of the preceding claims, characterized in that the membrane (14; 14 '; 14 "; 14"') comprises a radial sealing member (23) formed by a ring bearing an annular end lip intended to be in contact with the tube (7) of the base (3).
8. Dispositif de fermeture (1 ) selon la revendication précédente, caractérisé en ce qu'une base (13b) du tube (7) surmontée par l'extrémité axiale (13a) présente une forme tron- conique destinée à coopérer avec l'organe d'étanchéité radiale (23).  8. Closure device (1) according to the preceding claim, characterized in that a base (13b) of the tube (7) surmounted by the axial end (13a) has a truncated shape intended to cooperate with the body radial seal (23).
9. Dispositif de fermeture (1 ) selon l'une des revendications précédentes, caractérisé en ce que la au moins une fente (16) est ménagée dans une paroi (20 ; 20') de la membrane (14 ; 14' ; 14" ; 14"' ; 14"") agencée dans au moins un renfoncement (43a, 43b) de la membrane (14 ; 14' ; 14" ; 14"' ; 14"") formant une marche annulaire dans la membrane (14 ; 14' ; 14" ; 14"' ; 14""). 9. Closure device (1) according to one of the preceding claims, characterized in that the at least one slot (16) is formed in a wall (20; 20 ') of the membrane (14; 14'; 14 " 14 "'; 14" ") arranged in at least one recess (43a, 43b) of the membrane (14; 14'; 14"; 14 "'; 14" ") forming an annular step in the membrane (14; 14 ', 14 ", 14"', 14 "").
10. Dispositif de fermeture (1 ) selon l'une des revendications précédentes, caractérisé en ce que le goulot (4) et l'embase (3) comportent des moyens de coopération pour le maintien et le guidage du goulot (4) par rapport à l'embase (3), les moyens de coopération comportant au moins une rainure axiale (24) coopérant avec au moins un ergot (25) complémentaire, l'un étant porté par le goulot (4), l'autre étant porté par l'embase (3), la rainure axiale (24) présentant une butée axiale (26) pour l'ergot (25) en position haute de fermeture. 10. Closure device (1) according to one of the preceding claims, characterized in that the neck (4) and the base (3) comprise means for cooperation for maintaining and guiding the neck (4) relative at the base (3), the cooperation means comprising at least one axial groove (24) cooperating with at least one complementary lug (25), one being carried by the neck (4), the other being carried by the base (3), the axial groove (24) having an axial stop (26) for the lug (25) in the upper closed position.
11. Dispositif de fermeture (1 ) selon la revendication précédente, caractérisé en ce que les moyens de coopération comportent en outre au moins une rainure de montage (30 ; 30' ; 30" ; 30"') communiquant avec la rainure axiale (24) et coopérant avec le au moins un ergot (25).  11. Closing device (1) according to the preceding claim, characterized in that the means of cooperation further comprise at least one mounting groove (30; 30 '; 30 "; 30"') communicating with the axial groove (24). ) and cooperating with the at least one lug (25).
12. Dispositif de fermeture (1 ) selon la revendication précédente, caractérisé en ce que la au moins une rainure de montage (30 ; 30"') est configurée pour guider un abaissement progressif du goulot (4) vers l'embase (3) simultanément à la rotation du goulot (4) au montage du goulot (4).  12. Closure device (1) according to the preceding claim, characterized in that the at least one mounting groove (30; 30 "') is configured to guide a progressive lowering of the neck (4) to the base (3). simultaneously with the rotation of the neck (4) to the mounting of the neck (4).
13. Dispositif de fermeture (1 ) selon l'une des revendications 11 ou 12, caractérisé en ce que la au moins une rainure axiale (24) est plus profonde que la au moins une rainure de montage (30 ; 30' ; 30" ; 30"'). 13. Closure device (1) according to one of claims 11 or 12, characterized in that the at least one axial groove (24) is deeper than the at least one mounting groove (30; 30 '; 30 ";30"').
14. Dispositif de fermeture (1 ) selon l'une des revendications 11 à 13, caractérisé en ce que la au moins une rainure de montage (30 ; 30' ; 30" ; 30"') comporte un clip d'indexage (33) interposé entre la rainure de montage (30 ; 30' ; 30" ; 30"') et la rainure axiale (24) pour l'indexage de la position du au moins un ergot (25). 14. Closure device (1) according to one of claims 11 to 13, characterized in that the at least one mounting groove (30; 30 '; 30 "; 30"') has an indexing clip (33 ) interposed between the mounting groove (30; 30 '; 30 "; 30"') and the axial groove (24) for indexing the position of the at least one lug (25).
15. Dispositif de fermeture (1 ) selon l'une des revendications précédentes, caractérisé en ce que le tube (7) comporte une portion proximale (22) cylindrique faisant saillie d'un socle (5) de l'embase (3), la portion proximale (22) coopérant avec un guide cylindrique (29) complémentaire du goulot (4) pour guider le déplacement axial et rotatif du goulot (4) par rapport à l'embase (3). 15. Closure device (1) according to one of the preceding claims, characterized in that the tube (7) has a cylindrical proximal portion (22) projecting from a base (5) of the base (3), the proximal portion (22) cooperating with a cylindrical guide (29) complementary to the neck (4) to guide the axial and rotational movement of the neck (4) relative to the base (3).
16. Dispositif de fermeture (1 ) selon l'une des revendications précédentes, caractérisé en ce qu'il comporte une membrane d'entrée d'air (35) agencée dans un orifice de l'embase (3), la membrane d'entrée d'air (35) présentant au moins une fente (38) fermée à l'état de repos et apte à s'ouvrir pour permettre l'entrée d'air dans le contenant (2). 16. Closure device (1) according to one of the preceding claims, characterized in that it comprises an air inlet membrane (35) arranged in an orifice of the base (3), the membrane of air inlet (35) having at least one slot (38) closed in the state of rest and able to open to allow the entry of air into the container (2).
EP18731360.6A 2017-06-14 2018-05-25 Closure device for liquid container Active EP3638599B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1755339A FR3067704B1 (en) 2017-06-14 2017-06-14 CLOSING DEVICE FOR LIQUID CONTAINER
PCT/EP2018/063815 WO2018228802A1 (en) 2017-06-14 2018-05-25 Closure device for liquid container

Publications (2)

Publication Number Publication Date
EP3638599A1 true EP3638599A1 (en) 2020-04-22
EP3638599B1 EP3638599B1 (en) 2021-06-30

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP18731360.6A Active EP3638599B1 (en) 2017-06-14 2018-05-25 Closure device for liquid container

Country Status (4)

Country Link
EP (1) EP3638599B1 (en)
CN (1) CN211894327U (en)
FR (1) FR3067704B1 (en)
WO (1) WO2018228802A1 (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6494346B2 (en) * 2001-01-25 2002-12-17 Seaquist Closures Foreign, Inc. Inverted package dispensing system
DE102004010845B3 (en) * 2004-03-05 2005-05-25 Seaquist-Löffler Kunststoffwerk Gmbh Closure for a container has a membrane valve having a base with a diameter which is larger than the cross-section of a tubular support
FR2950272B1 (en) * 2009-09-23 2012-06-01 Oreal COSMETIC PRODUCT DISPENSER ON A RECEPTION SURFACE, DISTRIBUTION DEVICE AND ASSOCIATED METHOD.

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CN211894327U (en) 2020-11-10
WO2018228802A1 (en) 2018-12-20
FR3067704A1 (en) 2018-12-21
FR3067704B1 (en) 2021-02-12
EP3638599B1 (en) 2021-06-30

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