EP2244688B1 - Mundstück und verfahren zur herstellung - Google Patents

Mundstück und verfahren zur herstellung Download PDF

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Publication number
EP2244688B1
EP2244688B1 EP09707234.2A EP09707234A EP2244688B1 EP 2244688 B1 EP2244688 B1 EP 2244688B1 EP 09707234 A EP09707234 A EP 09707234A EP 2244688 B1 EP2244688 B1 EP 2244688B1
Authority
EP
European Patent Office
Prior art keywords
component
mouthpiece
reinforcing component
reinforcing
fibres
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.)
Not-in-force
Application number
EP09707234.2A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2244688A1 (de
Inventor
Peter Vischer
Erich Pfenniger
Beda Weber
Stefan Baumann
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.)
Medela Holding AG
Original Assignee
Medela Holding AG
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 Medela Holding AG filed Critical Medela Holding AG
Priority to PL09707234T priority Critical patent/PL2244688T3/pl
Publication of EP2244688A1 publication Critical patent/EP2244688A1/de
Application granted granted Critical
Publication of EP2244688B1 publication Critical patent/EP2244688B1/de
Not-in-force 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
    • A61J11/0035—Teats having particular shape or structure
    • A61J11/0065—Teats having particular shape or structure for improving rigidity, e.g. anti-bite-through or anti-collapsing
    • 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
    • A61J17/00—Baby-comforters; Teething rings
    • A61J17/10—Details; Accessories therefor
    • 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
    • A61J17/00—Baby-comforters; Teething rings
    • A61J17/001—Baby-comforters

Definitions

  • the invention relates to a mouthpiece with a bite guard and a method for producing a mouthpiece.
  • Mouthpieces for babies and toddlers are usually made of a soft elastic base material.
  • elastomers such as silicone or silicone rubber are used for this purpose.
  • WO 2007/005427 A2 suggests incorporating reticulated reinforcing agents into the nipple.
  • EP 1 666 534 A1 describes a process for the preparation of fiber-reinforced silicone rubber moldings, in which liquid silicones are vulcanized in the presence of short and / or long fibers.
  • fibers natural, aramid, carbon or synthetic fibers or mixtures thereof are used.
  • Synthetic fiber materials include acetate, polyamide, polyester, polyolefin, polyvinyl alcohol and polyurethane fibers.
  • EP 1 293 323 A1 discloses a method for injection molding liquid silicone rubber for the manufacture of baby bottle aspirators and mouthpieces of anesthesia machines, in which an improved mixing of the components is to be achieved. This is achieved by passing a multiple amount of the required material through the mixer into a reservoir and gradually discharging it from the reservoir to the injection unit of the injection molding machine.
  • US 2002/030029 A1 discloses a pacifier having a core of a first material with a hard durometer and a softer outer shell.
  • US 2007/238063 A1 describes a nipple with ribs, which serve as reinforcing elements. These ribs are molded to the soft body.
  • EP 0 321 845 A shows a pacifier with an outer shell made of a highly tear-resistant silicone rubber and a filler made of a soft silicone rubber. This means that the pacifier is reinforced on the outside and soft on the inside.
  • DE 10 2006 022669 A1 relates to a pacifier with a soft base body and a security thread disposed therein.
  • US 5 673 806 A discloses a nipple with a spring disposed therein.
  • the inventive mouthpiece with a bite guard has an elastomeric base material of at least one first component, wherein the bite protection is formed by a reinforcing component embedded in the base material, which originates from the same material or material group as the first component.
  • Component is understood here to mean a material which originates from one of the above substance or material group.
  • the reinforcement consists of the same material as one of the components, in particular one of the main components of the base material, no questionable additives are introduced.
  • no separate process step is necessary for the introduction of the reinforcing component, so that the mouthpiece can be produced easily, inexpensively and in a time-saving manner.
  • injection molding processes in particular single-stage injection molding processes, compression molding processes and transfer molding processes are suitable for the production.
  • the reinforcing component is formed by fibers, which are arranged in particular directionally oriented in the base material, wherein they are preferably aligned so that they reinforce the mouthpiece in preferred directions of travel.
  • the ratio of the width of the fibers to their length is 1: 4 to 1: 5.
  • platelet-shaped particles can also be used. These can have any shape. Preferably, however, they are square.
  • the entire mouthpiece is with the reinforcing component Mistake.
  • the mouthpiece can be manufactured easily and in particular in a single manufacturing step.
  • the mouthpiece has at least one first zone, which is provided with the reinforcing component, and at least one second zone, which is gain-component-free.
  • This at least one first zone lies in particular in preferred tear zones or fürbeisszonen the mouthpiece.
  • the base material is a multi-component material, the first component being a major component.
  • this first component is silicone, in particular liquid silicone or solid silicone rubber.
  • the first component preferably has a hardness of 15 to 50 Shore A, in particular 20 Shore A, on.
  • the reinforcing component has a hardness of 50 to 90 Shore A, in particular 70 Shore A.
  • the mouthpiece is preferably a sucking and chewing article for babies and toddlers or a component thereof. It is especially a bottle nipple, a pacifier, a drinking spout, a Teissring or another chewing object. But it can also be a mouthpiece of an anesthetic machine or ventilator or a mouthpiece of a respirator, such as a diving device.
  • the first component and the reinforcing component can be mixed before or during the feeding into the forming tool.
  • the reinforcing component is at least partially aligned during mixing or mixing.
  • the reinforcing component is approximately completely aligned.
  • At least one further component can be used to prepare the base material.
  • FIG. 1 is representative of all other mouthpieces described above, a bottle sucker 7 shown. He has a common shape. This consists of a substantially truncated cone-shaped hollow body 71 with a bottom adjacent peripheral flange 70 and at the other upper end of the body 71 subsequent tapered neck 72, which has at least one suction port 73 at its free end.
  • the mouthpiece 7 is made of an elastomeric base material 100, in which a reinforcing component 20 is embedded.
  • the reinforcing component 20 consists of fibers which are aligned in a directional orientation. Like in the FIG. 1 can be seen, they run approximately parallel to the mantle surface of the mouthpiece or to the fall line of the nipple and thus form a fürbeisstik against biting through the Mund Swisswandung.
  • platelets can also be used. These can be round, oval, rectangular or triangular or have any shape. The platelets may all be of the same size and shape or vary in size and shape. Preferably, the platelets are square.
  • the mouthpiece has at least one first zone, which is reinforced with the reinforcing fibers, and at least one second zone, which is free of reinforcing components.
  • the reinforced zone is preferably the neck 72 of the mouthpiece 7 and at least the transition region from the neck 72 to the main body 71.
  • the flange 70 is not reinforced.
  • the gain is at least in the "bite critical" area of the mouthpiece.
  • the base material 100 consists of at least one component. Preferably, however, it consists of two or more components, in particular in order to increase the crosslinking rate in the production and to improve the aging resistance.
  • Suitable base materials are the known elastomers, in particular silicone, preferably liquid silicone or solid silicone rubber, latex, solid rubber mixtures or thermoplastic elastomers. Reference is also made to the elastomeric materials described in the above-cited prior art, which, if permitted for such mouthpieces, may also be used.
  • the base material preferably has a hardness of 15 to 50 Shore A, preferably 20 Shore A.
  • the at least one reinforcing component comes from the same group of materials or substances as the above-mentioned first component of the base material. It is alignable. It consists of fibers.
  • a base material is silicone or another thermoplastic elastomer used is also the reinforcing component silicone.
  • the reinforcing component consists of short fibers having a length of between 2 to 3 mm.
  • the ratio of its width to its length is preferably 1: 4 to 1: 5.
  • the reinforcing component preferably has a hardness of 50 to 90 Shore A, in particular 70 Shore A, on.
  • Such mouthpieces can be produced in various ways, in particular injection molding, compression molding and transfer molding are possible.
  • injection molding compression molding and transfer molding are possible.
  • the known one-component and multi-component methods are used by admixing suitable additives as required.
  • a first variant of a production method can be described with reference to a schematically illustrated injection molding system.
  • a first dosing unit 1 is the first component 10, which preferably forms a main component of the resulting base material 100.
  • a second dosing unit 1 ' has a second component 10'.
  • These two components 10, 10 ' are each fed via a separate line, here called component line 11, 11', to a mixing chamber 3.
  • component line 11 is a separate line, here called component line 11, 11', to a mixing chamber 3.
  • at least one further dosing unit 2 there is at least one reinforcing component 20. This is fed to the mixing chamber 3 via a further line, here referred to as the reinforcing component line 21.
  • the mixing chamber 3 is a valve block in which the ratio of the individual components fed to one another is controlled.
  • first mixing line 31 the individual components in the desired ratio to a static mixer 4 are supplied.
  • the static mixer 4 contains mechanical mixing elements such as stirrers and screws.
  • the individual components are completely mixed with each other before they are fed together via a second mixing line 41 of the injection molding machine 5.
  • the injection molding machine 5 has the usual areas or elements such as piston 50, runner 51, screw 52, thermal elements 53 and an injection mold 54.
  • the mouthpiece is preferably manufactured in a one-step injection molding process.
  • FIG. 3 a second variant of the manufacturing process is shown. Again, an injection molding process is used. The same parts are therefore provided with the same reference numerals.
  • the at least one first and the at least one second component 10, 10 ' are first mixed via the mixing chamber 3 and the static mixer 4, and the reinforcing component 20 is supplied to this mixture only subsequently. Together, they then return to the injection molding machine 5.
  • the first component 10 and the reinforcing component 20 are mixed together or in the second metering unit 2 is not only the reinforcing component 20 but also a component of the base material. If this is the first component, another or the same component is present in the other dosing unit, which is denoted by 1 in the figure.
  • FIGS. 5a to 5c a compression molding 6 is shown.
  • a blank 7 ' is used to produce the mouthpiece 7, which was previously extruded.
  • This blank 7 'already consists of the base material with the at least one first component 10 and the at least one reinforcing component 20.
  • the blank 7 has a suitable shape depending on the desired end shape of the mouthpiece 7. Here he is a hollow cylinder section. But it can also be spherical or have a different shape.
  • This blank is shortened to the desired length.
  • the cut to length blank is in the FIG. 5a
  • the cut-out blank 7 "is now placed between two tool plates 60, 61 of the compression mold 6, which together form an internal cavity in the desired shape of the mouthpiece 7.
  • the two or more jaws 60, 61 are pressed together as shown in FIG FIG. 5b is shown.
  • the pressure on the blank 7 "presses it into the desired shape and, on the other hand, it aligns the reinforcing component as a result of the material displacement and the external pressure FIG. 5c is shown, then the mouthpiece 7 between the jaws 60, 61 are removed.
  • a preformed blank 7 " is used, which can be produced by extrusion processes, for example.
  • the first component and the reinforcing component and any other components are already mixed together, and here too the reinforcing component is preferably at least partially aligned Furthermore, they already follow on the basis of FIGS. 5a to 5c described method steps, which are thus not given in detail again.
  • Example 1 silicone suction hardness Shore A 37/60
  • a 2-component mixture of liquid silicone rubber (Elastosil LR 3043, hardness Shore A 37, Wacker-Chemie GmbH) is homogeneously mixed with vulcanized silicone rubber fibers (Elastosil LR 3043, hardness Shore A 60, Wacker-Chemie GmbH). From this mixture according to the invention are produced in the compression molding process at a mold temperature of 165 ° C suckers.
  • Example 2 Silicon vacuum hardness Shore A 20/70
  • a 2-component mixture of liquid silicone rubber (Med-4970, hardness Shore A 20, NuSil Technology - Europe) is homogeneously mixed with fully vulcanized silicone rubber (Med-4920, hardness Shore A 70, NuSil Technology - Europe).
  • Example 3 Silicon vacuum hardness Shore A 40/70
  • a 2-component mixture HTV silicone mixture (Elastosil R plus 4000, hardness Shore A 40, Wacker-Chemie GmbH) is coated with a crosslinking catalyst (PT 2) and with vulcanized silicone rubber fibers (Med-4920, hardness Shore A 70, NuSil Technology-Europe ) homogeneously mixed on a mixing mill.
  • PT 2 crosslinking catalyst
  • vulcanized silicone rubber fibers Med-4920, hardness Shore A 70, NuSil Technology-Europe
  • blanks are produced in the extrusion process, which are further processed according to the invention in the form of a cylindrical tube in the compression process at a mold temperature of 165 ° C to suckers.
  • the inventive mouthpiece and the inventive method for producing a mouthpiece allow in a simple manner a fürbeisstik, without the production process is much more expensive and the choice of material is severely limited.

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Pediatric Medicine (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Medical Preparation Storing Or Oral Administration Devices (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
EP09707234.2A 2008-02-05 2009-01-27 Mundstück und verfahren zur herstellung Not-in-force EP2244688B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL09707234T PL2244688T3 (pl) 2008-02-05 2009-01-27 Ustnik i sposób produkcji

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH1572008 2008-02-05
PCT/CH2009/000032 WO2009097702A1 (de) 2008-02-05 2009-01-27 Mundstück und verfahren zur herstellung

Publications (2)

Publication Number Publication Date
EP2244688A1 EP2244688A1 (de) 2010-11-03
EP2244688B1 true EP2244688B1 (de) 2015-03-18

Family

ID=39343648

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09707234.2A Not-in-force EP2244688B1 (de) 2008-02-05 2009-01-27 Mundstück und verfahren zur herstellung

Country Status (11)

Country Link
US (1) US8646632B2 (pl)
EP (1) EP2244688B1 (pl)
JP (1) JP2011510765A (pl)
CN (1) CN101938969B (pl)
AU (1) AU2009212077B2 (pl)
CA (1) CA2715046A1 (pl)
IL (1) IL207168A (pl)
MX (1) MX2010008482A (pl)
PL (1) PL2244688T3 (pl)
TW (1) TW200934474A (pl)
WO (1) WO2009097702A1 (pl)

Families Citing this family (18)

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EP1765257B1 (en) * 2004-06-29 2016-02-17 Jackel International Limited Teat
AT508548B1 (de) * 2009-09-11 2011-02-15 Mam Babyartikel Verfahren zur zumindest abschnittsweisen verbindung von wänden eines hohlkörpers sowie hohlkörper
JP5629081B2 (ja) * 2009-10-30 2014-11-19 ピジョン株式会社 人工乳首およびこれを用いた哺乳器ならびにおしゃぶり玩具
DE202010011047U1 (de) * 2010-08-04 2011-03-17 Brockhaus, Rolf, Dr. Beruhigungssauger aus verschiedenen Silikonen
WO2015168701A1 (en) * 2014-05-02 2015-11-05 Munchkin, Inc. Bite proof spout
DE102014209743A1 (de) * 2014-05-22 2015-12-17 Bayerische Motoren Werke Aktiengesellschaft Verfahren und Baugruppe zur Herstellung einer duroplastischen Formmasse
US10285912B2 (en) * 2015-06-19 2019-05-14 Jane M. Molina Baby pacifier for a breast fed child
US9913780B2 (en) * 2016-07-21 2018-03-13 Carr Lane Quackenbush Bite-safe artificial teat
US20180104159A1 (en) * 2016-10-17 2018-04-19 Michael K. Bredemeier Pacifier
US12005166B2 (en) 2017-01-11 2024-06-11 Momtech Inc. Breast pump
JP2020514033A (ja) * 2017-03-14 2020-05-21 ビーエーエスエフ コーポレーション ＣＯの酸化、炭化水素の酸化、及びＮＯの酸化の向上及び改善された硫酸化／脱硫酸化作用を伴うＰｔ／ＰｄＤＯＣ
WO2018231597A1 (en) * 2017-06-12 2018-12-20 Carr Lane Quackenbush Method for improving a bite-safe artificial teat and like products
CN109049747A (zh) * 2018-06-22 2018-12-21 太仓市开源橡胶有限公司 宠物安抚奶嘴的制备工艺
GB2586819A (en) * 2019-09-04 2021-03-10 Tarsia Antonio A teat
CN116669678A (zh) * 2020-10-29 2023-08-29 摩米科技公司 婴幼儿吮吸装置
US11471379B2 (en) 2020-10-29 2022-10-18 Momtech Inc. Infant suckling device
US12397091B2 (en) * 2023-10-23 2025-08-26 Guangdong Horigen Mother & Baby Products Co., Ltd. Milk bowl and wearable breast pump
EP4711112A1 (en) 2024-09-17 2026-03-18 Koninklijke Philips N.V. Teat and method for manufacturing the same

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Also Published As

Publication number Publication date
US20100308002A1 (en) 2010-12-09
IL207168A (en) 2017-01-31
JP2011510765A (ja) 2011-04-07
AU2009212077A1 (en) 2009-08-13
PL2244688T3 (pl) 2015-08-31
EP2244688A1 (de) 2010-11-03
IL207168A0 (en) 2010-12-30
AU2009212077B2 (en) 2011-03-17
TW200934474A (en) 2009-08-16
CN101938969A (zh) 2011-01-05
WO2009097702A1 (de) 2009-08-13
US8646632B2 (en) 2014-02-11
CN101938969B (zh) 2012-12-05
MX2010008482A (es) 2010-09-24
CA2715046A1 (en) 2009-08-13

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