US20130317547A1 - Method for producing a pacifier, and pacifier - Google Patents

Method for producing a pacifier, and pacifier Download PDF

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Publication number
US20130317547A1
US20130317547A1 US13/984,232 US201213984232A US2013317547A1 US 20130317547 A1 US20130317547 A1 US 20130317547A1 US 201213984232 A US201213984232 A US 201213984232A US 2013317547 A1 US2013317547 A1 US 2013317547A1
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United States
Prior art keywords
hollow body
wall sections
teat
stem
pacifier
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.)
Abandoned
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US13/984,232
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English (en)
Inventor
Peter Rohrig
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.)
Mam Babyartikel GmbH
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Mam Babyartikel GmbH
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Filing date
Publication date
Application filed by Mam Babyartikel GmbH filed Critical Mam Babyartikel GmbH
Assigned to MAM BABYARTIKEL GESELLSCHAFT M.B.H. reassignment MAM BABYARTIKEL GESELLSCHAFT M.B.H. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: ROHRIG, PETER
Publication of US20130317547A1 publication Critical patent/US20130317547A1/en
Abandoned legal-status Critical Current

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    • 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
    • A61J11/007—Teats having orthodontic properties, e.g. for promoting correct teeth development
    • 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
    • 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
    • A61J17/10—Details; Accessories therefor
    • A61J17/107—Details; Accessories therefor having specific orthodontic properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • B29C45/14336—Coating a portion of the article, e.g. the edge of the article
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/72—Heating or cooling
    • B29C45/7207—Heating or cooling of the moulded articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D22/00—Producing hollow articles

Definitions

  • the invention relates to a method for producing a pacifier teat with a teat section which forms a hollow space and which is adjoined by a stem, and a pacifier teat with a teat section which forms a hollow space and which is adjoined by a stem.
  • a plurality of very different pacifiers having a teat element fixed to a shield is already known.
  • These teat elements consist of a hollow body so that the hollow body deforms elastically when suction is being applied by the child, with the hollow space enclosed by the teat walls thus being reduced. If the baby or infant using the pacifier does not apply any suction to the hollow body, the latter will reassume its initial shape.
  • This usual shape of hollow-body teats substantially corresponds to a club-shape, i.e. a stem section via which the hollow-body teat is connected to the shield, having at comparably small cross-section and broadening into a freely cantilevering nipple part and/or teat section which consequently has a comparably large cross-section.
  • the use of such pacifiers by babies or infants has the negative effect that the teeth rows of the baby or infant cannot be fully closed in the region of the stem of the pacifier.
  • the elastic restoring force of the hollow space is applied to the jaw and/or the teeth of the infant. This may contribute to causing a frontally-open bite, i.e. a malposition of the teeth of the growing child.
  • a pacifier teat with a substantially closed-walled, round-bodied teat body is disclosed in U.S. Pat. No. 3,924,621, connected to the pacifier shield via a plurality of connecting elements, wherein an opening remains between the connecting elements so the tongue of the child may enter this free space.
  • This is intended to allow direct contact between the tongue of the child and the upper front teeth as well as the palate.
  • the lateral connecting elements are intended to act as a type of guide in order to direct the tongue into its natural position.
  • a teat part with a solidly designed cross-section, in which a variety of ventilation grooves may be provided, is known from WO 2004/087039 A.
  • WO 98/27928 A1 discloses a conventional hollow-body teat or, alternatively, a teat section having an entirely solid-walled design.
  • a pocket for receiving a tablet is provided in the hollow body or the entirely solid-walled teat section.
  • WO 96/20687 A1 shows a pacifier with a special teat part comprising protrusions in the direction of the alveolar ridges.
  • the entire teat body may be hollow or have a solid design.
  • WO 86/03402 A1 shows merely a pacifier made of silicone rubber having a conventional hollow teat body. Moreover, a method for injection moulding a hollow body made of silicone rubber is known from GB 2168283 A.
  • U.S. Pat. No. 3,832,437 discloses a method for manufacturing a hollow body wherein the mandrel used for shaping the hollow space is removed through a temporarily enlarged opening of the mould before the workpiece has completed curing, whereupon the opening of the mould is fully closed before the curing is finished so no opening remains in the workpiece.
  • this is achieved by a method of the initially mentioned type, wherein an elastic hollow body comprising the teat section and the stem is injection moulded or pre-formed by a dipping method and opposite wall sections of the pre-formed hollow body are connected to each other in the region of the stem.
  • a two-step method is provided, wherein, first, a hollow body having substantially the outer shape of known hollow-body teats is produced. After pre-forming this hollow-body pacifier teat, opposite wall sections of the hollow body are connected to each other in the region of the stem, so a substantially single-walled design of the pacifier teat being formed as a hollow body in the teat section is created in the region of the stem, i.e.
  • This manufacturing process prevents the completed pacifier teat from applying pressure to the jaw and/or the teeth due to the elastic restoring force of the hollow body in the region of contact with the jaw and/or the teeth, thus encouraging the forming of a frontally-open bite; i.e. advantageously, the elastic restoring force of the pacifier teat in the region of the stem is eliminated because of the permanent connection of opposite wall sections.
  • connection of the opposite wall sections may be achieved by introducing a connecting material in viscous state between the opposite wall sections and then converting the connecting material into an elastic state by applying pressure and/or heat in order to connect the wall sections to one another.
  • a connecting material in viscous state between the opposite wall sections and then converting the connecting material into an elastic state by applying pressure and/or heat in order to connect the wall sections to one another.
  • a material having substantially the same chemical composition as the material of the pre-formed hollow body may be provided as the viscous connecting material.
  • a silicone rubber material or a (natural) rubber material a silicone material or a latex material will advantageously be used as the viscous connecting material as well.
  • the connecting material In the case of a hollow body made of rubber it is favourable for the connecting material to have a share of 40 to 60% of latex and a viscosity of approx. 15 to 30 sec./Ford cup 5 during introduction between the wall sections to be connected.
  • this leads to the introduced amount being distributed substantially evenly in the region of the wall sections of the hollow body being pressed together, due to the low viscosity of the latex concentrate.
  • a viscous connecting material with a chemical composition different from the material of the preformed hollow body may be used as well.
  • the connection of the wall sections is established by gluing, i.e. by adhesion and not by chemical or physical cross-linking.
  • a particularly close connection of the opposite wall sections may be achieved in a simple manner when the pre-formed hollow body consists of a rubber material that has not yet been completely vulcanised by establishing contact between the wall sections to be connected before the rubber material is completely vulcanised by adding heat.
  • Rubber material as defined according to the invention is vulcanised rubber as it is extracted from the milky fluid (latex) of tropical plants in particular.
  • the latex material or a latex mixture is heated and/or pre-vulcanised for approx. 24 hours at 40 to 70° C.
  • the hollow body created is not yet completely vulcanised and its wall sections may be connected permanently in a simple manner by applying pressure and heating them—even without adding an external connecting material.
  • the latex material or the latex mixture has a higher value on the swelling index for latex materials; the swelling value of the pre-formed, not completely vulcanised hollow body is preferably between 80 and 100, in particular substantially 90.
  • the pre-formed hollow body comprises an opening, wherein a linear element extending into the hollow space created by the teat section is inserted into the pre-formed hollow body before connecting both wall sections to each other.
  • the opening of the pre-formed hollow body is provided on the free end of the stem, i.e. the section that is connected to a pacifier. shield, so the duct formed through the linear element extends from the closed-walled teat section to the pacifier shield.
  • a duct-shaped indentation extending through the stem to an opening may be formed during the forming of the pre-formed hollow body in order to form a ventilation duct.
  • hollow bodies made of rubber it is favourable, particularly with hollow bodies made of rubber, to heat the hollow body for preferably at least 30 minutes, in particular 30 to 45 minutes, at preferably 70 to 100° C. in its pressed state.
  • This will effect a sufficient chemical cross-linking either between the wall sections themselves, in the case of hollow bodies made of rubber, or between an elastic connecting layer and the wall sections.
  • the pacifier teat of the initially mentioned type is characterised in that opposite wall sections of a pre-formed elastic hollow body, which has been formed by injection moulding or dipping, are connected to each other in the region of the stem.
  • a particularly close connection between the wall sections is obtained when the connected wall sections are chemically and/or physically cross-linked with each other; such a connection is virtually unbreakable, in particular when applying tensile stresses.
  • At least one duct connecting the hollow space to an opening to be provided in the region of the stem.
  • a wall thickness as small as possible is useful in the region of the stem for increasing and obtaining the elastic restoring force of the hollow body when the wall in the region of the hollow space, in particular in the section adjoining the connecting region, has a larger wall thickness, at least in some sections, than the hollow body in the region of the stem before connecting the wall sections.
  • FIG. 1 shows a view of a dipping bath for manufacturing a pre-formed hollow body
  • FIG. 2 shows a view of the pre-formed hollow body after removing the mould from the dipping bath
  • FIG. 3 shows a sectional view of a pre-formed hollow body with the wall sections not yet connected
  • FIG. 4 shows a view of a washing solution for cleaning the pre-formed hollow body
  • FIG. 5 shows a perspective view of a clamping device for connecting the wall sections of a hollow body in an open position
  • FIG. 6 shows a perspective view of the clamping device with a hollow body being placed on the lower part
  • FIG. 7 shows a perspective view of the clamping device in a closed position
  • FIG. 7 a shows a view of a pin element to be inserted into the hollow body
  • FIG. 8 shows a perspective view of a pacifier teat after connecting the wall sections
  • FIG. 9 shows a sectional view of the pacifier teat according to line IX-IX in FIG. 8 ;
  • FIG. 10 shows a sectional view of the pacifier teat after attaching it to a pacifier shield.
  • FIG. 1 shows a container 1 that is filled with a latex fluid.
  • a latex fluid Preferably this is natural latex having a rubber share of approx. 60% and a rest consisting mainly of water.
  • a dipping former 2 is immersed in the latex fluid for producing a preformed hollow body 3 (cf. FIG. 3 ).
  • the dipping former 2 is advantageously pre-heated to approx. 55 to 60° C. before immersing it in the latex bath.
  • FIGS. 2 and 3 show the pre-formed hollow body 3 , with the hollow body 3 being not yet removed from the dipping former 2 in FIG. 2 .
  • the hollow body 3 shown in FIG. 3 may also be manufactured in an injection mould (not shown in detail); the production by injection moulding is particularly favourable if the pre-formed hollow body 3 is made of silicone or a thermoplastic elastomer (TPE).
  • TPE thermoplastic elastomer
  • FIG. 3 shows the pre-formed hollow body 3 with a round-bodied hollow space 4 ′ and/or teat section 4 and a stem 5 comprising an opening 6 at its end.
  • the stem 5 comprises a flange 7 for connecting it to a pacifier shield 8 (cf. FIG. 10 ) at its end.
  • the wall sections 5 ′ in the region of the stem 5 are not yet connected to each other.
  • the wall thickness may be smaller in the region of the stem 5 than in the region of the round-bodied teat section 4 , which is particularly possible in a simple manner when producing a pre-formed hollow body 3 by injection moulding; when producing it by a dipping method, the pre-formed hollow body 3 usually has a substantially uniform wall thickness.
  • FIG. 4 shows a washing process as it is particularly common when producing pacifier teats from latex.
  • the pre-formed hollow bodies 3 are stored in a washing solution contained in a container 1 ′ for approx. 24 to 30 hours in order to remove undesired constituents of natural latex, in particular nitrosamines, from the latex material.
  • wall sections 5 ′ of the stem 5 are connected to each other at least in some sections, so the hollow body 3 does not exhibit any elastic restoring force for reassuming the shape shown in FIG. 3 after connecting the wall sections 5 ′.
  • the wall sections 5 ′ may be connected to each other either by a chemical and/or physical cross-linking or, however, glue bonding, i.e. an adhesive connection.
  • a clamping device 10 comprising clamping parts 9 , 9 ′ can be seen.
  • the clamping part 9 comprises a gap 11 provided for (partially) receiving the pre-formed hollow body 3 .
  • the clamping part 9 ′ comprises a protrusion 11 ′ provided for applying increased pressure to the wall sections 5 ′ to be connected in the braced state of the clamping parts 9 , 9 ′.
  • a pin-shaped element 13 with a handle part 13 ′ is inserted into the hollow body 3 (cf. FIG. 7 a ), so after connecting the wall sections 5 ′ of the hollow body 3 a duct 14 remains in the region of the clamping faces between the hollow space 4 ′ and the opening 6 of the then-completed pacifier teat 15 .
  • This guarantees a reliable pressure equalisation between the hollow space 4 ′ and the environment even after connecting the wall sections 5 ′ by means of the clamping device 10 .
  • the clamping device 10 shown in FIGS. 5 to 7 is particularly suitable for connecting wall sections of hollow bodies 3 made of natural rubber.
  • the rubber material of the hollow body 3 is not yet completely vulcanised when the pressure is applied.
  • the clamping device 10 including the hollow body 3 received therein is heated for approx. 30 to 45 minutes at approx. 70 to 80° C., so the rubber material is vulcanised further; this will effect a chemical cross-linking of the opposite wall sections 5 ′ being pressed together so they are permanently connected to each other.
  • the pacifier teats 15 are removed from the clamping device 10 and the pin-shaped elements 13 are removed from the pacifier teats 15 by means of the handles 13 ′ before heating the pacifier teats 15 for approx. 24 to 30 hours at approx. 70 to 100° C. in a furnace in order to achieve a complete vulcanisation and/or drying of the rubber material.
  • a viscous latex connecting material such as natural rubber may be introduced into the region of the stem 5 .
  • the amount of latex concentrate to be introduced is chosen so that no latex concentrate can enter the hollow space 4 ′ but all of the latex concentrate introduced remains in the region of the wall sections 5 ′ to be connected. After introducing the latex concentrate, the process is continued as previously described in order to connect the wall sections 5 ′ to each other.
  • a (gluing) connection of the wall sections 5 ′ may be obtained irrespective of the material that the pre-formed hollow body consists of.
  • latex, silicone or a thermoplastic elastomer is used for producing the hollow body 3 and, consequently, the pacifier teat 15 .
  • a duct 14 designed by the pin-shaped element 13 extends from the hollow space 4 ′ via the stem 5 to the opening 6 .
  • the duct 14 is thus a connection from the hollow space 4 ′ to the opening 6 with its larger cross-section and/or to the environment, so a pressure equalisation between the hollow space 4 ′ of the pacifier teat 15 and the environment can be reliably achieved.
  • the stem 5 which is designed substantially single-walled in the region of the stem after connecting the two wall sections 5 ′, may be attached to a pacifier shield 8 in a conventional manner.
  • a fastening element 18 which is known per se is provided, entering the opening 6 with the larger cross-section of the pacifier teat 15 and/or the hollow body 3 via a plug-shaped protrusion 18 ′, with the stem 5 and/or the flange 7 being received between the pacifier shield 8 and the fastening element 18 in a form-fit and a force-fit manner. Since the duct 14 remains open in the connecting region to the pacifier shield 8 and/or the fastening element 18 , a vent for the hollow space 4 ′ as well as a pressure equalisation with the environment is made possible in a reliable manner.

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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)
  • Pediatric Medicine (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Medical Preparation Storing Or Oral Administration Devices (AREA)
US13/984,232 2011-02-11 2012-02-10 Method for producing a pacifier, and pacifier Abandoned US20130317547A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
ATA188/2011 2011-02-11
ATA188/2011A AT510970B1 (de) 2011-02-11 2011-02-11 Verfahren zur herstellung eines schnullersaugers sowie schnullersauger
PCT/AT2012/000025 WO2012106743A1 (de) 2011-02-11 2012-02-10 Verfahren zur herstellung eines schnullersaugers sowie schnullersauger

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
PCT/AT2012/000025 A-371-Of-International WO2012106743A1 (de) 2011-02-11 2012-02-10 Verfahren zur herstellung eines schnullersaugers sowie schnullersauger

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US14/863,696 Division US9999574B2 (en) 2011-02-11 2015-09-24 Method for producing a pacifier teat, and pacifier teat

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US20130317547A1 true US20130317547A1 (en) 2013-11-28

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US13/984,232 Abandoned US20130317547A1 (en) 2011-02-11 2012-02-10 Method for producing a pacifier, and pacifier
US14/863,696 Active 2033-01-18 US9999574B2 (en) 2011-02-11 2015-09-24 Method for producing a pacifier teat, and pacifier teat

Family Applications After (1)

Application Number Title Priority Date Filing Date
US14/863,696 Active 2033-01-18 US9999574B2 (en) 2011-02-11 2015-09-24 Method for producing a pacifier teat, and pacifier teat

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US (2) US20130317547A1 (de)
EP (2) EP3345589A1 (de)
CN (1) CN103458854B (de)
AT (1) AT510970B1 (de)
MY (1) MY186211A (de)
WO (1) WO2012106743A1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10137060B2 (en) 2014-07-03 2018-11-27 Pedram Mizani Infant pacifier with improved retention
USD838368S1 (en) 2015-12-09 2019-01-15 Trudell Medical International Oral device

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AT508548B1 (de) * 2009-09-11 2011-02-15 Mam Babyartikel Verfahren zur zumindest abschnittsweisen verbindung von wänden eines hohlkörpers sowie hohlkörper
CN109689007A (zh) * 2016-09-14 2019-04-26 海罗侠有限公司 奶嘴以及用于生产奶嘴的方法
USD872290S1 (en) * 2017-07-05 2020-01-07 Mam Babyartikel Gesellschaft M.B.H. Pacifier

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10137060B2 (en) 2014-07-03 2018-11-27 Pedram Mizani Infant pacifier with improved retention
USD838368S1 (en) 2015-12-09 2019-01-15 Trudell Medical International Oral device

Also Published As

Publication number Publication date
EP3345589A1 (de) 2018-07-11
AT510970A4 (de) 2012-08-15
EP2672948B1 (de) 2018-04-04
EP2672948A1 (de) 2013-12-18
WO2012106743A1 (de) 2012-08-16
MY186211A (en) 2021-06-30
CN103458854A (zh) 2013-12-18
US9999574B2 (en) 2018-06-19
CN103458854B (zh) 2016-02-03
AT510970B1 (de) 2012-08-15
US20160030291A1 (en) 2016-02-04

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