EP3366167B1 - Couvercle actionnable par lèvres pour un récipient de boisson - Google Patents

Couvercle actionnable par lèvres pour un récipient de boisson Download PDF

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Publication number
EP3366167B1
EP3366167B1 EP17158170.5A EP17158170A EP3366167B1 EP 3366167 B1 EP3366167 B1 EP 3366167B1 EP 17158170 A EP17158170 A EP 17158170A EP 3366167 B1 EP3366167 B1 EP 3366167B1
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EP
European Patent Office
Prior art keywords
closure
combination according
base body
conical wall
projection
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP17158170.5A
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German (de)
English (en)
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EP3366167C0 (fr
EP3366167A1 (fr
Inventor
Jürgen Löhn
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.)
Mapa Spontex Deutschland GmbH
Original Assignee
Mapa GmbH
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.)
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Publication date
Application filed by Mapa GmbH filed Critical Mapa GmbH
Priority to EP17158170.5A priority Critical patent/EP3366167B1/fr
Publication of EP3366167A1 publication Critical patent/EP3366167A1/fr
Application granted granted Critical
Publication of EP3366167C0 publication Critical patent/EP3366167C0/fr
Publication of EP3366167B1 publication Critical patent/EP3366167B1/fr
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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47G—HOUSEHOLD OR TABLE EQUIPMENT
    • A47G19/00—Table service
    • A47G19/22—Drinking vessels or saucers used for table service
    • A47G19/2205—Drinking glasses or vessels
    • A47G19/2266—Means for facilitating drinking, e.g. for infants or invalids
    • A47G19/2272—Means for facilitating drinking, e.g. for infants or invalids from drinking glasses or cups comprising lids or covers

Definitions

  • the invention relates to a lip-operated closure for a drinking bottle, a drinking cup or another drinking container.
  • Drink containers with a lip-operated closure allow for spill-free storage of hot or cold drinks.
  • the closure is opened by selectively actuating the closure using the lips, so that liquid can flow from the drinking container into the mouth opening between the lips. If the closure is not actuated, it is closed and prevents the liquid from escaping from the drinking container.
  • the EP 1 123 027 B1 describes a lip-operated closure for a drinking container, which has a base body with an upwardly widening, conical first wall for attaching the lower lip, a shoulder running around the inner circumference with a valve seat on the underside and, further down, an internal thread that extends to the lower end for screwing on has an external thread of the drinking container.
  • a closure body is arranged in the base body, which has an upwardly widening conical second wall for attachment of the upper lip and at the lower end of the conical section a middle plate made of a flexible elastomer with a flange on the outer edge.
  • the flange is stiffened by a stiffening element and held on a carrier in the form of a spoked wheel, which in turn is held on the drinking container or on the base body, so that the flange seals against the valve seat.
  • a stiffening element By pressing together the lips resting against the conical walls, the center plate and flange are deformed and the sealing contact of the second sealing surface against the first sealing surface is partially broken, so that liquid can escape through free spaces between the spokes of the carrier and through a gap between the closure body and the base body.
  • Disadvantages are the complex construction with a carrier for the closure body, the effort for assembly, disassembly and Cleaning and possible leakage especially due to repeated elastic deformation of center plate and flange.
  • the EP 2 138 075 A1 describes a drinking container with a lip-operated closure in which a support in the form of a spoked wheel is screwed into the top of the container.
  • the spokes of the spoked wheel are designed as leaf springs with a loop extending downwards, so that a central hole of the spoked wheel can be tilted with respect to the drinking container and, after relief, returns to the starting position due to the spring action of the leaf springs.
  • a plate-shaped actuator is inserted into the central hole of the bracket with a lug projecting centrally from the underside. Below the carrier, a plate-shaped sealing element is held on the attachment by means of a flexible retaining ring.
  • the sealing element seals with its outer edge against a sealing seat on the lower edge of the outer ring of the carrier screwed into the container.
  • the actuating element pivots the sealing element as a result of lip actuation, liquid can flow out through a gap opened thereby between the sealing element and the outer ring of the carrier, free spaces between the spokes of the carrier and a gap between a housing ring fixed at the top of the container and the actuating element.
  • this lip-actuated closure too, the complex construction made up of carrier, actuating element, sealing element, securing ring and housing ring and the assembly, disassembly and cleaning effort associated therewith are disadvantageous.
  • FR3025411 a children's cup with a liquid container having a closable opening.
  • the invention is based on the object of creating a more user-friendly and securely sealing, lip-actuated closure for a drinking container.
  • the lower lip is attached to the upper end of the base body and the upper lip to the upper end of the closure body and pressing together of the upper lip and lower lip of the closure body tiltable against the action of the spring element with respect to the base body.
  • the second sealing surface is partially lifted off the first sealing surface and a gap becomes free between the first and second sealing surfaces.
  • liquid can escape through the liquid inlet of the base body, the opening between the first and second sealing surface, the first annular gap, the through-channels and the second annular gap between the base body and the closure body.
  • the closure can be realized using fewer components with a simple shape. In particular, it is possible to produce the closure body including the at least one spring element in one piece.
  • a support for the closure body can be dispensed with, since it can be held on the projection by the spring element and annular disk. This also simplifies the manufacture, assembly and disassembly and cleaning of the closure. If the lips are not actuated, the spring element presses the second sealing surface evenly and reliably against the first sealing surface in a sealing manner. In order to break the seal, the entire ring disk can be tilted, in which case it is not deformed and only the spring element is deformed. As a result, the seal is not compromised by repeated opening and deformation of the sealing disc.
  • the projection running around the inner circumference of the base body is in the form of a circular ring. This facilitates assembly and disassembly as well as cleaning of the closure.
  • a first sealing lip running around in the circumferential direction projects downwards from the first sealing surface for sealing on the inside of the mouth of a drinking container. This achieves a particularly reliable sealing of the closure on the drinking container.
  • the base body below the projection has at least one screw thread, element of a bayonet lock, Element of a locking connection or a cylindrical surface for welding or gluing with a drinking container.
  • the closure can be connected to a drinking container which has a structure complementary to the aforementioned structures, ie at least one complementary screw thread, element of a bayonet closure, element of a snap-in connection or cylindrical surface for welding or gluing to the closure.
  • the base body is designed in one piece with a drinking container, so that the base body forms an upper section of the drinking container.
  • the base body has, above the projection, a first conical wall which is widened towards the upper end.
  • the first conical wall is advantageous for the application of the lips to operate the closure.
  • the base body has a first cylindrical wall extending from the lower end. This is advantageous for attachment to the drinking container.
  • the through-channels have a plurality of radially extending grooves in the seating surface of the projection which are spaced apart from one another in the circumferential direction. This favors liquid removal by applying the lips to freely selectable positions on the circumference of the closure.
  • in continuation of the radially extending grooves there are axially extending grooves along the inner edge of the projection. The axially extending grooves facilitate the passage of liquid between the inner edge of the projection and the valve body.
  • the closure body is closed at the lower end by a circular disc which has the second sealing surface on an edge section protruding radially outwards from the closure body. This stabilizes the washer and improves the seal.
  • At least one second sealing lip running around in the circumferential direction projects upwards from the second sealing surface.
  • the second sealing lip lies against the first sealing surface in a sealing manner. This further improves the sealing of the closure.
  • the spring element is connected to the closure body in the manner of bellows at an upper end and sits on the seat surface at a lower end.
  • This embodiment is advantageous for the manufacture, assembly and disassembly and cleaning of the closure.
  • the bellows-like spring element is tubular, with the wall in longitudinal section having a zigzag or wave-like course with at least one reversal of direction, preferably in a fold. As a result, the spring element can deflect and rebound over long spring travels under the action of little force.
  • the passage channels are advantageously formed by radially extending grooves in the seating surface of the projection which are spaced apart from one another in the circumferential direction.
  • each spring element has a bending spring that is inclined at an acute angle to the seat surface, which rests on the seat surface at one end and is connected to the closure body at the other end.
  • each spring element has two or more spiral springs which are arranged in a zigzag shape and are each connected to one another at one end, with the lowermost spiral spring being supported on the seat surface at its lower end and the uppermost spiral spring being connected to the closure body at its upper end is.
  • the passage channels are arranged between the spring elements which are spaced apart from one another.
  • the closure body has a second cylindrical wall at the bottom, which is connected to the annular disk at the lower end and is connected at the top to a second conical wall which widens towards the upper end and is connected to the at least one spring element on the outside.
  • This embodiment is easy to assemble and disassemble.
  • the second conical wall facilitates the actuation of the closure by means of the lips.
  • This embodiment is particularly advantageous in combination with a first conical wall at the upper end of the base body.
  • the second conical wall has a lower second conical wall section with a large cone angle at the bottom and an upper second conical wall section with a small cone angle adjacent thereto.
  • the small cone angle is smaller than the large cone angle.
  • the cone angle of the upper second conical wall section matches the cone angle of the first conical wall of the base body or deviates from it by a maximum of ⁇ 20%, preferably by a maximum of ⁇ 10%. This is advantageous for lip operation.
  • the spring element is connected to the closure body in the connection area of the lower second conical wall section and the upper second conical wall section. This is advantageous for the uniform support and tiltability of the closure body at different circumferential positions of the closure.
  • the spring element has at the lower edge a bead which extends in the circumferential direction and sits on the seat surface.
  • the bead makes it easier for the spring element to slide over the seat surface when the closure body is tilted. This makes it easier to open the closure and avoids damage.
  • the base body is made of a rigid material. According to a further embodiment, the base body is injection molded. According to another embodiment, the closure body is made of an elastomeric material. According to a preferred embodiment, the closure body is made of silicone, a thermoplastic elastomer, latex or another elastomer. According to a further embodiment, the closure body, including the at least one spring element, is produced in one piece from an elastomeric material. According to a further embodiment, the closure body is injection molded.
  • top and bottom and terms derived therefrom such as “above” and “below” refer to an orientation of the closure in which the tubular body or closure body is oriented vertically and with its upper end above the lower end is arranged.
  • horizontal refers to the vertical orientation of the body or closure body.
  • dial and “circumferentially” refer to directions in the radial direction relative to the tubular base body or closure body and in the circumferential direction relative to the tubular base body or closure body.
  • Inside and “outside” refer to elements arranged further inwards and outwards in the radial direction with respect to one another.
  • a lip-operable closure 1 is arranged on top of a drinking container 2 .
  • the lip-operated closure 1 comprises a tubular base body 3 and a tubular closure body 4. It has no other components.
  • the tubular closure body 4 and the tubular base body 3 are like this designed so that the closure body 4 is inserted into the base body 3 when the closure 1 is mounted.
  • Fig. 1a-e the closure 1 is mounted on the drinking container 2 and in 1f the components are shown in disassembled condition.
  • the base body 3 has an inlet opening 6 for liquid at the lower end 5 and an outlet opening 8 for liquid at the upper end 7 .
  • the base body 3 has a first cylindrical wall 9 emanating from the lower end 5, to which a first conical wall 10 widens towards the upper end 7 at the top.
  • a projection 12 extends radially inward, running around the inner circumference of the base body 3 .
  • the projection 12 has a circular disc-shaped seat 13 on the top.
  • In the seat surface 13 there are through channels 14 in the form of radially extending grooves 15 which are spaced apart from one another in the circumferential direction.
  • On the inner edge 16 of the projection 12, the radially extending grooves 15 are continued by axially extending grooves 17.
  • first sealing surface 18 On the underside of the projection 12 there is a first sealing surface 18 in the form of a circular ring. This starts from the inner edge 16 of the projection 12 and extends to a first sealing lip 19 protruding from the underside of the projection for sealing on the inside of the mouth of the drinking container 2.
  • the first cylindrical wall 9 has an internal thread 20 for attachment to the drinking container 2 .
  • the base body 3 has on the inside 11 above the projection 12 two series of ribs 21, 22 extending in the circumferential direction with bevels on the upper edge.
  • a first series of ribs 21 is located on the inner periphery of the first cylindrical wall 9 and a second series of ribs 22 is located on the inner periphery of the first conical wall 10 .
  • the ribs 21, 22 are each arranged in the middle between two grooves 15 in the seat surface 13 in the circumferential direction. They serve to stiffen the base body 3 and to guide the liquid when it leaks out of the open closure 1.
  • the base body 3 is preferably injection molded in one piece from a hard plastic.
  • the tubular closure body 4 has a second cylindrical wall 23 at the bottom, which is adjoined by a second conical wall 24 .
  • the second conical wall 24 below has a lower second conical wall section 25 with a large cone angle and adjacent thereto an upper second conical wall section 26 with a small cone angle.
  • closure body 4 is closed by a closure wall 27 in the form of a circular disc 28 .
  • This has an edge section protruding radially outwards from the closure body 27 in the form of an annular disk 29 .
  • the closure body 4 has a bellows-like spring element 31 whose upper end is connected in the circumferential direction to the connection area of the lower second conical wall section 25 and the upper second conical wall section 26 .
  • the spring element 31 has a lower and an upper leg 32, 33 which are acutely angled in opposite directions are inclined to the horizontal and connected to one another in a deflection area 34 of the bellows.
  • a bead 35 runs around the lower edge of the lower leg 32 in the circumferential direction.
  • a second sealing lip 36 protrudes from the upper side of the second sealing surface 30 at the outer edge of the annular disk 29 .
  • the cone angle of the upper second conical wall section 26 corresponds to the cone angle of the first conical wall 10.
  • the closure body 4 is preferably injection molded in one piece from an elastomeric material.
  • the drinking container 2 has a bottle body 37 with a waisted jacket 38 and a bottle bottom 39 .
  • a bottle neck 40 with an opening 41 is located at the top of the jacket 38 .
  • the closure 1 is assembled by inserting the closure body 4 through the upper end 7 into the base body 3 .
  • the spring element 31 sits with the bead 35 on the seat surface 13 of the projection 12 .
  • the annular disk 29 is pushed through the central opening of the projection 12 delimited by the inner edge 16 until the second sealing surface 30 rests with the second sealing lip 36 on the first sealing surface 18 .
  • the spring element 31 is slightly elastically compressed and thus prestressed.
  • the closure body 4 is held on the projection 12 in the base body 3 .
  • a drink can be filled into the drinking container 2 before the closure 1 is installed on the drinking container 2 .
  • the according 2 pre-assembled closure 1 is according to 1 can be mounted on the drinking container 2 by screwing the internal thread 20 onto the external thread 42 .
  • the first sealing lip 19 engages in the mouth 41 of the drinking container 2 and seals it.
  • the user places his lower lip on the outside of the first conical wall 10 and his upper lip on the inside of the upper second conical wall section 26 and presses the lips together.
  • the closure body 4 is tilted to the side where the user's lips are applied, as in FIG Figure 6b shown.
  • the spring element 31 deflects elastically on the side on which the user's mouth is located.
  • the closure body 4 with the second sealing lip 36 is pivoted away from the first sealing surface 18 and a gap becomes free between the first and the second sealing surface.
  • beverage can enter the base body from the drinking container 2 through the lower end 5, flow through the gap between the sealing surfaces 18, 30, through a first annular gap 43 between the inner edge 16 of the projection 12 and second cylindrical wall 23 or through the axially extending grooves 17, through the radially extending grooves 15 below the spring element 31 to the outside and finally through the second annular gap 44 between the base body 3 and the upper part of the closure body 4 directly into the mouth emanate from the user.
  • the closure body 4 After relief by the lips, the closure body 4 returns to its initial position due to the action of the spring element 31 Figure 6a back and the closure 1 seals.

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Pediatric Medicine (AREA)
  • Closures For Containers (AREA)

Claims (14)

  1. Combinaison d'une fermeture pouvant être actionnée par les lèvres et d'un récipient à boire, dans lequel la fermeture comprend :
    - un corps de base (3) tubulaire avec une ouverture d'entrée (6) pour un liquide sur l'extrémité inférieure (5) et une ouverture de sortie (8) pour un liquide sur l'extrémité supérieure (7),
    - une partie saillante (12) faisant saillie radialement vers l'intérieur entre l'extrémité inférieure (5) et l'extrémité supérieure (7) de la face intérieure (11) du corps de base (3), la partie saillante s'étendant de manière périphérique sur la circonférence intérieure du corps de base avec une surface d'assise (13) sur la face supérieure et une première surface d'étanchéité (18) sur la face inférieure,
    - un corps de fermeture (4) tubulaire, qui
    - à distance de son extrémité supérieure comprend une paroi de fermeture (27) obstruant sa section transversale,
    - un disque annulaire (29) périphérique, faisant saillie radialement vers l'extérieur au niveau de son extrémité inférieure avec une deuxième surface d'étanchéité (30) sur la face supérieure et
    - au moins un élément ressort (31) faisant saillie radialement vers l'extérieur entre son extrémité supérieure et le disque annulaire (29), qui s'appuie en différents points dans la direction circonférentielle sous l'effet d'une précontrainte sur la surface d'assise (13), de sorte que la deuxième surface d'étanchéité (30) s'applique de manière étanche sur la première surface d'étanchéité (18),
    - plusieurs canaux de passage (14) étendus radialement, espacés les uns des autres dans la direction circonférentielle entre l'élément ressort (31) et la surface d'assise (13),
    - un premier espace annulaire (43) étendu dans la direction axiale vers le haut jusqu'aux extrémités intérieures des canaux de passage (14) entre le corps de base (3) et le corps de fermeture (4) et
    - un deuxième espace annulaire (44) étendu vers le haut dans la direction axiale à partir des extrémités extérieures des canaux de passage (14) entre le corps de base (3) et le corps de fermeture (4),
    caractérisé en ce que
    - une première lèvre d'étanchéité (19) s'étendant de manière périphérique dans la direction circonférentielle fait saillie de la première surface d'étanchéité (18) vers le bas aux fins d'étanchéité sur la face intérieure de l'embouchure (40) d'un récipient à boire (2).
  2. Combinaison selon la revendication 1, pour laquelle la partie saillante (12) périphérique sur la face intérieure (11) du corps de base (3) est en forme de disque annulaire.
  3. Combinaison selon l'une quelconque des revendications 1 à 2, pour laquelle le corps de base (3) présente au-dessous de la partie saillante (12) au moins un filet de vis (20), élément d'une fermeture à baïonnette, élément d'une liaison par encliquetage ou une surface cylindrique pour la soudure ou le collage avec un récipient à boire (2).
  4. Combinaison selon l'une quelconque des revendications 1 à 3, pour laquelle le corps de base (3) présente au-dessus de la partie saillante (12) une première paroi conique (10) élargie en direction de l'extrémité supérieure (7) et/ou une première paroi cylindrique (9) partant de l'extrémité inférieure (5).
  5. Combinaison selon l'une quelconque des revendications 1 à 4, pour laquelle les canaux de passage (14) présentent plusieurs rainures (15) étendues radialement, présentant une distance les unes par rapport aux autres dans la direction circonférentielle dans la surface d'assise (13) de la partie saillante (12).
  6. Combinaison selon l'une quelconque des revendications 1 à 5, pour laquelle le corps de fermeture (4) est fermé sur l'extrémité inférieure par un disque circulaire (28), lequel présente la deuxième surface d'étanchéité (30) sur une partie de bord faisant saillie radialement vers l'extérieur du corps de fermeture.
  7. Combinaison selon la revendication 6, pour laquelle au moins une deuxième lèvre d'étanchéité (36) s'étendant de manière périphérique dans la direction circonférentielle fait saillie vers le haut de la deuxième surface d'étanchéité (30).
  8. Combinaison selon l'une quelconque des revendications 1 à 7, pour laquelle l'élément ressort (31) est du type soufflet, est relié au corps de fermeture (4) à une extrémité supérieure et repose sur la surface d'assise (13) à une extrémité inférieure.
  9. Combinaison selon l'une quelconque des revendications 1 à 8, pour laquelle le corps de fermeture (4) présente en bas une deuxième paroi cylindrique (23), qui est reliée sur l'extrémité inférieure au disque annulaire (29) et est reliée en haut à une deuxième paroi conique (24) s'élargissant en direction de l'extrémité supérieure, qui est reliée extérieurement au au moins un élément ressort (31).
  10. Combinaison selon la revendication 9, pour laquelle la deuxième paroi conique (24) présente en bas une deuxième partie de paroi conique inférieure (25) avec un grand angle de cône et de manière adjacente à celle-ci une deuxième partie de paroi conique supérieure (26) avec un petit angle de cône.
  11. Combinaison selon la revendication 10, pour laquelle l'angle de cône de la deuxième partie de paroi conique supérieure (26) concorde avec l'angle de cône de la première paroi conique (10) du corps de base (3), qui diffère de celui-ci au maximum de ± 20 %, de préférence de ± 10 %.
  12. Combinaison selon la revendication 10 ou 11, pour laquelle l'élément ressort (31) est relié au corps de fermeture (4) dans la zone de liaison de la deuxième partie de paroi conique inférieure (25) et de la deuxième partie de paroi conique supérieure (26).
  13. Combinaison selon l'une quelconque des revendications 1 à 12, pour laquelle l'élément ressort (31) présente sur le bord inférieur un bourrelet (35) étendu dans la direction circonférentielle, qui repose sur la surface d'assise (13).
  14. Combinaison selon l'une quelconque des revendications 1 à 13, pour laquelle le corps de fermeture (4) est fabriqué à partir de silicone, d'un élastomère thermoplastique, de latex ou d'un autre élastomère.
EP17158170.5A 2017-02-27 2017-02-27 Couvercle actionnable par lèvres pour un récipient de boisson Active EP3366167B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP17158170.5A EP3366167B1 (fr) 2017-02-27 2017-02-27 Couvercle actionnable par lèvres pour un récipient de boisson

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP17158170.5A EP3366167B1 (fr) 2017-02-27 2017-02-27 Couvercle actionnable par lèvres pour un récipient de boisson

Publications (3)

Publication Number Publication Date
EP3366167A1 EP3366167A1 (fr) 2018-08-29
EP3366167C0 EP3366167C0 (fr) 2023-06-07
EP3366167B1 true EP3366167B1 (fr) 2023-06-07

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EP17158170.5A Active EP3366167B1 (fr) 2017-02-27 2017-02-27 Couvercle actionnable par lèvres pour un récipient de boisson

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3704997A1 (fr) * 2019-03-05 2020-09-09 Koninklijke Philips N.V. Couvercle d'un dispositif de boisson

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1230111C (zh) 1998-10-20 2005-12-07 普莱特克斯产品公司 用唇开启的防溢容器
EP2138075A1 (fr) 2008-06-25 2009-12-30 Cecelia Maria Elisabeth Thorfinn Couvercle actionnable par lèvre pour un récipient
WO2011020501A1 (fr) * 2009-08-19 2011-02-24 Safetea B.V. Couvercle pour un récipient de liquide
GB201011657D0 (en) * 2010-07-12 2010-08-25 Oz10 Ltd Drinking vessel
FR3025411B1 (fr) * 2014-09-08 2017-05-05 Visiomed Group Tasse pour enfant

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EP3366167C0 (fr) 2023-06-07
EP3366167A1 (fr) 2018-08-29

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