EP2459148B1 - Verschlusssystem für eine auslaufgeschützte flasche für kindernahrung - Google Patents

Verschlusssystem für eine auslaufgeschützte flasche für kindernahrung Download PDF

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Publication number
EP2459148B1
EP2459148B1 EP10751786.4A EP10751786A EP2459148B1 EP 2459148 B1 EP2459148 B1 EP 2459148B1 EP 10751786 A EP10751786 A EP 10751786A EP 2459148 B1 EP2459148 B1 EP 2459148B1
Authority
EP
European Patent Office
Prior art keywords
sealing
closure
ring
closure system
lip seal
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
EP10751786.4A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2459148A2 (de
Inventor
Eckhard Itzek
Björn-Frederik SEIDLER
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.)
Filing date
Publication date
Application filed by Mapa GmbH filed Critical Mapa GmbH
Publication of EP2459148A2 publication Critical patent/EP2459148A2/de
Application granted granted Critical
Publication of EP2459148B1 publication Critical patent/EP2459148B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
    • A61J11/00—Teats
    • A61J11/04—Teats with means for fastening to bottles

Definitions

  • the invention relates to a closure system for a leak-proof bottle for baby food.
  • the teat at the bottom has a peripheral Saugerflansch which is fixed by means of a screwed onto an external thread of the bottle screw ring sealingly on the edge of a bottle opening.
  • a lid is placed between the suction flange and the edge of the bottle and clamped by means of the screw ring.
  • From the DE 101 57 071 C1 is a more user-friendly leak-proof bottle for baby food.
  • This has a screwed onto the external thread of the bottle lower locking ring having a first seat with at least a first flow hole.
  • An upper lock ring has a second seat with at least one second flow hole.
  • the two locking rings are rotatable relative to one another via locking elements and releasably locked together.
  • the first and second flow holes can be brought into overlapping and non-overlapping positions.
  • a teat is screwed by means of a screw ring with an external thread of the upper locking ring. If the flow holes cover each other, infant formula can be removed through the teat. If the flow holes do not cover each other, the removal of baby food by the teat is blocked.
  • the closure rings have conical seating surfaces. Furthermore, sealing rings on the underside of the lower locking ring and on the Top of the first seat available.
  • the lower locking ring has a locking projection projecting inwardly from the lower conical seating surface, and the upper locking ring has locking tabs projecting from the lower second tapered seating surface which engage behind the locking projection.
  • the production and application of the leak-proof bottle is sometimes still expensive. Due to the complex spatial shape, contaminants can accumulate on the closure rings. The snap tongues come into contact with the baby food and must be handled for disassembly. The cleaning of the locking rings is expensive.
  • the WO 2007/042117 A1 discloses a preparation and application facilitating leak-proof bottle for baby food.
  • a variant comprises a closure system with a lower locking ring, which has a substantially cylindrical, first shell part with a first internal thread, which is screwed onto an external thread of a bottle, and a connected to the upper edge of the first shell part, the first central part with a a longitudinal axis rotationally symmetrical, facing away from the bottle interior, the first seat, at least one on the one hand in the first seat and on the other hand in a side facing the bottle interior side of the first middle opening, first flow hole and one to the first seat at least around the edge of the flow hole and one on the the upper edge of the bottle sealingly seated sealing surface of the first middle part molded, soft elastic sealing material made of plastic, from the first seat through the first flow hole along the side facing the bottle interior to the sealing surface of the e strsten middle part extends.
  • the closure system comprises an upper closure ring having a substantially cylindrical second shell part with a second external thread, on which a teat of a threaded ring is fixed with an internal thread, and a connected to the second shell part, the second middle part with a rotationally symmetrical about the longitudinal axis, sealingly seated on the first seat second seat and at least one on the one hand in the second Seating surface and on the other hand in a side facing away from this side of the second middle part, second flow hole, which can be brought by turning the upper locking ring with respect to the lower locking ring in overlapping and non-overlapping positions with respect to the first flow hole.
  • locking elements are present, which connect the lower locking ring and the upper locking ring relative to each other rotatably and detachably.
  • the soft elastic sealing material is molded onto the lower locking ring and covers a circular portion surrounding the flow holes on the first seating surface. Further, it has on the inner circumference of the flow holes each have a strip-shaped portion. On the underside of the first central part of the strip-shaped sections outgoing, further strip-shaped portions of the soft elastic sealing material are present, run down the inside of a cylindrical portion of the first shell part and are connected at the bottom with an annular circumferential sealing surface made of the same material, on the inside of a Stage of the first shell part is arranged.
  • the sealing material is e.g. a thermoplastic elastomer.
  • This can lead to leaks especially if the seat is not exactly against each other with a certain contact pressure.
  • the friction between the first seat of soft elastic sealing material and the second seat surface may hinder the rotation of the upper locking ring with respect to the lower locking ring.
  • the object of the invention is to provide a closure system for a leak-proof bottle for baby food with better application properties.
  • the closure system according to the invention can be screwed onto an outlet-protected bottle for infant food with the internal thread of the lower closure ring. Furthermore, a teat by means of a screw ring can be screwed onto the external thread of the upper locking ring.
  • the lower closure ring sealingly seated on the upper edge of the bottle and the teat sealingly seated on the upper edge of the upper shell portion of the upper locking ring.
  • the locking rings are rotatable and releasably connected to each other via the locking elements relative to each other.
  • the locking rings have a lower and at least one upper flow hole, which can be brought by turning the upper locking ring to the lower locking ring in overlapping and non-overlapping positions. If the at least one lower and the at least one upper flow hole overlap, children's food can be removed. If they do not cover up, the closure system locks the removal of liquid baby food.
  • the lower locking ring and the upper locking ring lie flat against each other with the first upper side and the second lower side, so that infant food can not in principle flow out laterally between the two locking rings.
  • the at least one sealing pad is disposed either on the first upper side of the lower partition wall and the at least one sealing seat on the second lower side of the upper partition wall, or the at least one sealing cushion is on the second lower side of the upper partition wall and the at least one sealing seat on the first upper side of the lower partition Partition arranged.
  • the invention includes possible embodiments in which the lower partition wall at least one pie-shaped sealing pad and at least one pie-shaped sealing seat and the upper partition wall at least one complementary thereto sealing bag and at least have a complementary to the at least one pie-shaped sealing cushion of the lower partition sealing seat.
  • the sealing seat is an edge surrounding the at least one upper through-hole, against which the sealing cushion abuts sealingly on the edge when the sealing seat is brought into sealing position with respect to the sealing pad.
  • the edge can be made with particularly dimensionally stable or smooth surface. It is preferably a marginal bevel or chamfer of the through hole into which the sealing pad is pressed, wherein it bears with its edge sealingly against the bevel or chamfer.
  • the closure system has the following further features: on the first upper side, an annular lip seal concentric with the lower shell part is made of a soft elastic material with at least one axially directed sealing lip and on the second underside at least one engaging with the lip seal, arranged to the upper shell part concentric annular sealing geometry or vice versa and the upper flow hole can be brought by turning the upper locking ring with respect to the lower locking ring in overlapping and non-overlapping positions with respect to the lower flow hole.
  • annular lip seal and at least one annular sealing geometry engaged therewith.
  • either the lower locking ring at least an annular lip seal and the upper locking ring on the at least one annular sealing geometry or the lower locking ring has the at least one annular sealing geometry and the upper locking ring, the at least one annular lip seal.
  • both the upper closure ring and the lower closure ring have at least one annular lip seal and at least annular sealing geometry.
  • the at least one annular lip seal and the at least one annular sealing geometry are arranged to surround the lower and upper flow holes.
  • the seal between the lower and upper closure rings is improved and a lateral escape of liquid infant food is prevented even more effectively. It is particularly advantageous that the axially directed sealing lip and a corresponding sealing geometry mesh in the axial direction of the cylindrical shell parts, so that the lower locking ring and the upper locking ring are easily assembled and separated from each other.
  • the lip seal is a double lip seal.
  • the lower closure ring and the upper closure ring in each case two diametrically opposed flow holes and / or the lower closure ring two diametrically opposed sealing pads in pie slice shape and the upper closure ring two diametrically opposed flow holes with rand wornem sealing seat or vice versa.
  • the locking elements can be designed in various ways. According to a preferred embodiment, they are parts of a bayonet closure.
  • a bayonet lock allows easy connection of locking ring and upper locking ring with each other and the user also easy separation of the lower and upper locking ring.
  • the lower locking ring above the internal thread has an annular sealing element of a soft elastic material for sealing at the upper edge of a bottle.
  • the sealing seat of the closure system is supported on the bottle.
  • the sealing element is annular disk-shaped.
  • the lip seal and the sealing element consists of a soft elastic material which extends from the lip seal over the first upper side of the lower partition wall through the lower through holes to the sealing element.
  • the sealing elements can then be integrally molded onto the lower locking ring. This is manufacturing technology advantageous.
  • the lip seal and / or the sealing pad and / or the sealing element having lower and / or upper closure ring in the two-component injection molding of a soft elastic plastic component for the lip seal and / or the sealing pad and / or the sealing element and the rest of made of a hard elastic plastic component.
  • the two-component injection molding process may, in particular, be a core retraction process or a conversion process.
  • the lip seal and / or the sealing pad and / or the sealing element made of thermoplastic elastomer.
  • the production of thermoplastic elastomer favors in particular the cohesive connection between the lip seal and / or sealing bag and / or sealing element with the other parts of the lower and / or upper locking ring.
  • the first upper side is flat and the second lower side is flat. Furthermore, the first lower side and the second upper side are also preferably flat.
  • the lower closure ring is screwed onto a bottle for infant food.
  • the upper locking ring is held by a screw ring a teat.
  • top and bottom refer to the orientation of the closure system when it is screwed onto a bottle and screwed with a teat, the bottle is vertically aligned and is placed with the ground on a substrate and the teat is located above the bottle.
  • a closure system 20 with a lower closure ring 30 and an upper closure ring 60 is screwed onto a bottle 10 for infant food and a drinking teat 100 is screwed onto the closure system 20 by means of a screw ring 90.
  • the bottle 10 has a cylindrical, waisted bottle body 11 having a bottom 12 at the bottom and a neck 13 at the top.
  • the neck 13 is designed as a wide neck, but has a smaller diameter than the underlying portion of the bottle body 11.
  • the neck 13 has a catchy bottle external thread 14 and has a top bottle opening 15.
  • the bottle opening 15 is surrounded by an upper edge of the bottle 16.
  • the bottle 10 has a longitudinal central axis 17.
  • the lower locking ring 30 has a substantially cylindrical, lower shell portion 31 having a plurality of sections.
  • the first lower shell portion 32 having a substantially cylindrical shape has an inner thread 33 on the inner circumference, which is shown in FIG Fig. 1 is screwed onto the bottle external thread 14. From the periphery of the first lower shell portion portion 32 is radially outwardly and downwardly before a second lower shell portion portion 34 which covers the bottle neck 13 laterally.
  • the lower shell portion 31 has a radially inwardly projecting from the upper edge of the first lower shell portion portion 22 third lower shell portion portion 35, which is substantially annular disc-shaped. From the interior of the third lower shell portion portion 35 is axially upwardly a substantially cylindrical, fourth lower shell portion portion 36 before.
  • a lower partition wall 37 is connected, which blocks the cross section of the lower locking ring 30 substantially.
  • This circular disc-shaped partition wall 37 has a substantially planar first upper surface 38 and a substantially planar first lower surface 39. Further, it has diametrically opposed pie-shaped lower flow-through holes 40, 41 extending from the first upper surface 38 to the first lower surface 39.
  • the first top 38 is enclosed by an annular double lip seal 42, the sealing lips 43, 44 extend perpendicular to the first top 38 upwards.
  • the double lip seal can also be referred to as a "double lamellar seal”.
  • two diametrically opposed pie-shaped sealing pads 45, 46 are arranged, which are arranged on the bisecting line between the two pie-shaped lower flow holes 40, 41.
  • the pie-shaped flow holes 40, 41 and the pie-shaped sealing pads 45, 46 widen with increasing distance from the center of the circular disc-shaped partition wall 37th
  • closure ring on the underside of the second lower shell portion section has an annular disk-shaped sealing element 47.
  • the lower locking ring 30 has on the outer periphery of the first lower shell portion 32, two opposing longitudinal grooves 48, 49 which are each connected to an annular groove 50, 51 which is bounded below by the second lower shell portion 34.
  • each longitudinal groove 48, 49 is in the respective adjacent annular groove 50, 51 each have a latching projection 52, 53 available.
  • the latching projections 52, 53 have in each case a chamfer to the longitudinal sides 48, 49 and / or the annular grooves 50, 51.
  • the annular grooves 50, 51 are respectively bounded at the opposite ends by stops 54, 55, which at the same time separate the annular grooves 50, 51 from the adjacent longitudinal grooves 48, 49.
  • the lower closure ring 30 is basically made of a hard elastic plastic, e.g. made of polypropylene (PP).
  • PP polypropylene
  • a soft elastic sealing material is molded, which form the double lip seal 42, the sealing pad 45, 46 and the sealing element 47.
  • the sealing material is molded so that it connects all the aforementioned seals 42, 45, 46, 47 with each other. It is e.g. a thermoplastic elastomer (TPE).
  • the upper locking ring 60 has an upper shell portion 61 having a plurality of sections.
  • the substantially cylindrical first upper shell portion 62 has an external thread 63 on the outer periphery.
  • the first upper shell portion 62 is at the lower edge with a radially outwardly projecting, second upper shell portion 64 is connected.
  • the second upper shell portion 64 is in turn connected at the outer periphery with an axially downwardly projecting third upper shell portion 65.
  • the third upper shell portion 65 has on the inner circumference two projecting claws 66, 67 which are diametrically opposed to each other.
  • the third upper shell portion 65 has two radially outwardly projecting, semi-circular upper elevations 68, 69, which are also diametrically opposed to each other.
  • the upper elevations 68, 69 are offset by 90 ° to the claws 66, 67.
  • the upper closure ring 60 has a circular disk-shaped upper partition wall 70, which is slightly below the upper edge of the first upper shell portion portion 62 connected thereto and the cross section of the upper shell portion 61 blocks.
  • the upper divider 70 has a substantially planar second top 71 and a substantially planar second bottom 72. Further, it has diametrically opposed, pie-shaped upper through holes 73, 74 opening into the second top 71 and the second bottom 72, respectively , The upper through holes 73, 74 are diametrically opposed to each other.
  • the upper partition wall 70 On the second underside 72, the upper partition wall 70 has an annular sealing geometry 75 complementary to the double lip seal. This sealing geometry 75 has two annular sealing grooves 76, 77 into which the sealing lips 43, 44 of the double lip seal 42 can engage.
  • the sealing geometry 75 is arranged concentrically to the first upper shell part 61 and to the circular disk-shaped upper partition wall 70.
  • the upper locking ring is made of PP, for example.
  • the upper locking ring 60 is inserted with the claws 66, 67 in the longitudinal grooves 48, 49 of the lower locking ring 30 until the claws 66, 67 against the second lower shell portion 34 abut.
  • the double lip seal 42 engages in the sealing grooves 76, 77 of the sealing geometry 75.
  • the upper flow holes 73, 74 are sealed by the sealing pads 45, 46 of the lower locking ring 30.
  • the sealing cushions 45, 46 abut sealingly on edge-side chamfers or chamfers of the flow-through holes 73, 74, which form sealing seats.
  • the closure system 20 is then closed and liquid can not pass through the through-holes 40, 41, 73, 74. At the moment of closing, the closure system 20 still emits an acoustic clicking sound.
  • the locking system 20 is opened again by turning the upper locking ring 60 in the opposite direction to the position in which the claws abut the locking projections 55, 56.
  • This stop position can only be skipped if the lower locking ring is deformed by compressing the two semicircular lower elevations 56, 57.
  • the lower locking ring 30 can only be deformed when the closure system 20 has been screwed down from the bottle 10.
  • the upper ridges 68, 69 on the upper locking ring 60 facilitate the rotation of the upper locking ring 60 with respect Furthermore, they can indicate special positions, for example the positioning in which the claws 66, 67 engage in the longitudinal grooves 48, 49 with a suitable arrangement.
  • the screw ring 90 has a circular cylindrical ring portion 91 with a threaded ring internal thread 92 on the inner circumference and a radially inwardly projecting from the upper edge annular flange 93 with a threaded ring groove 94 on the underside.
  • the threaded ring 90 is screwed to the external thread 63.
  • the annular flange 93 is pressed against the upper edge of the second locking ring.
  • the screw ring may have on the outer circumference a coating 95 made of a soft elastic plastic.
  • a soft elastic plastic For example, it is injection molded from PP and the soft elastic material is, for example, injection-molded TPE.
  • the teat 100 has a mouthpiece 101 with a slit valve 102 and a nipple 103 with a drinking hole 104 and / or drinking slot at the end and a spout 105 carrying the mouthpiece 101.
  • a spout 105 carrying the mouthpiece 101.
  • the spout 105 At the bottom of the spout 105 it has an outwardly directed suction flange 106 with a upwardly projecting sealing bead 107.
  • the teat 100 is made for example of rubber or latex or silicone rubber.
  • Fig. 1 the teat 100 is clamped on Saugerflansch 106 between the upper edge of the upper locking ring 60 and screw ring 90.
  • the sealing bead 107 is fixed in the threaded annular groove 94 on the underside of the annular flange 93.
  • the screw ring 20 can be screwed onto the closure system or screwed down therefrom in the closed or in the opened state of the closure system 20.
  • the new closure system 90 can be brought by rotation from the closed state to the open state and vice versa. There are no items to be removed to bring the closure system 20 in the functional state. There is also no direct contact of the user and the food when opening and closing the closure system 20. The risk of contamination of food is thus greatly reduced. In addition, no items can be lost.
  • the closure system 20 may be used for bottles 10 and other containers.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Medical Preparation Storing Or Oral Administration Devices (AREA)
  • Closures For Containers (AREA)
EP10751786.4A 2009-07-31 2010-07-30 Verschlusssystem für eine auslaufgeschützte flasche für kindernahrung Active EP2459148B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009035598A DE102009035598B4 (de) 2009-07-31 2009-07-31 Verschlusssystem für eine auslaufgeschützte Flasche für Kindernahrung
PCT/EP2010/004669 WO2011012310A2 (de) 2009-07-31 2010-07-30 Verschlusssystem für eine auslaufgeschützte flasche für kindernahrung

Publications (2)

Publication Number Publication Date
EP2459148A2 EP2459148A2 (de) 2012-06-06
EP2459148B1 true EP2459148B1 (de) 2013-05-01

Family

ID=41720301

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10751786.4A Active EP2459148B1 (de) 2009-07-31 2010-07-30 Verschlusssystem für eine auslaufgeschützte flasche für kindernahrung

Country Status (9)

Country Link
US (1) US8528756B2 (es)
EP (1) EP2459148B1 (es)
JP (1) JP5379306B2 (es)
CN (1) CN102470076B (es)
BR (1) BR112012002273A2 (es)
DE (2) DE102009035598B4 (es)
ES (1) ES2420883T3 (es)
RU (1) RU2510261C2 (es)
WO (1) WO2011012310A2 (es)

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Also Published As

Publication number Publication date
US20120175335A1 (en) 2012-07-12
WO2011012310A2 (de) 2011-02-03
BR112012002273A2 (pt) 2016-06-14
WO2011012310A3 (de) 2011-06-16
JP2013500750A (ja) 2013-01-10
CN102470076B (zh) 2014-11-05
DE102009035598B4 (de) 2011-04-14
DE202009013988U1 (de) 2010-02-25
DE102009035598A1 (de) 2011-02-10
RU2510261C2 (ru) 2014-03-27
EP2459148A2 (de) 2012-06-06
US8528756B2 (en) 2013-09-10
CN102470076A (zh) 2012-05-23
RU2012105673A (ru) 2013-09-10
ES2420883T3 (es) 2013-08-27
JP5379306B2 (ja) 2013-12-25

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