EP2432701B1 - Non-reclosable thermoformed package for liquid or paste products - Google Patents

Non-reclosable thermoformed package for liquid or paste products Download PDF

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Publication number
EP2432701B1
EP2432701B1 EP10727010.0A EP10727010A EP2432701B1 EP 2432701 B1 EP2432701 B1 EP 2432701B1 EP 10727010 A EP10727010 A EP 10727010A EP 2432701 B1 EP2432701 B1 EP 2432701B1
Authority
EP
European Patent Office
Prior art keywords
packaging
liquid
complex
escape path
pasty substance
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
EP10727010.0A
Other languages
German (de)
French (fr)
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EP2432701A1 (en
Inventor
Bertrand Havrileck
Michel Robin
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.)
Virbac SA
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Virbac SA
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Filing date
Publication date
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Publication of EP2432701A1 publication Critical patent/EP2432701A1/en
Application granted granted Critical
Publication of EP2432701B1 publication Critical patent/EP2432701B1/en
Active legal-status Critical Current
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D75/00—Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes, or webs of flexible sheet material, e.g. in folded wrappers
    • B65D75/52—Details
    • B65D75/58—Opening or contents-removing devices added or incorporated during package manufacture
    • B65D75/5805—Opening or contents-removing devices added or incorporated during package manufacture for tearing a side strip parallel and next to the edge, e.g. by means of a line of weakness
    • B65D75/5811—Opening or contents-removing devices added or incorporated during package manufacture for tearing a side strip parallel and next to the edge, e.g. by means of a line of weakness and defining, after tearing, a small dispensing spout, a small orifice or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D35/00—Pliable tubular containers adapted to be permanently or temporarily deformed to expel contents, e.g. collapsible tubes for toothpaste or other plastic or semi-liquid material; Holders therefor
    • B65D35/02—Body construction
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D65/00—Wrappers or flexible covers; Packaging materials of special type or form
    • B65D65/38—Packaging materials of special type or form
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D75/00—Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes, or webs of flexible sheet material, e.g. in folded wrappers
    • B65D75/28—Articles or materials wholly enclosed in composite wrappers, i.e. wrappers formed by associating or interconnecting two or more sheets or blanks
    • B65D75/30—Articles or materials enclosed between two opposed sheets or blanks having their margins united, e.g. by pressure-sensitive adhesive, crimping, heat-sealing, or welding
    • B65D75/32—Articles or materials enclosed between two opposed sheets or blanks having their margins united, e.g. by pressure-sensitive adhesive, crimping, heat-sealing, or welding one or both sheets or blanks being recessed to accommodate contents
    • B65D75/325—Articles or materials enclosed between two opposed sheets or blanks having their margins united, e.g. by pressure-sensitive adhesive, crimping, heat-sealing, or welding one or both sheets or blanks being recessed to accommodate contents one sheet being recessed, and the other being a flat not- rigid sheet, e.g. puncturable or peelable foil
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D85/00—Containers, packaging elements or packages, specially adapted for particular articles or materials
    • B65D85/70—Containers, packaging elements or packages, specially adapted for particular articles or materials for materials not otherwise provided for
    • B65D85/72—Containers, packaging elements or packages, specially adapted for particular articles or materials for materials not otherwise provided for for edible or potable liquids, semiliquids, or plastic or pasty materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2215/00—Child-proof means

Definitions

  • the present invention relates to a non-refoldable thermoformed packaging for a food, cosmetic, pharmaceutical or veterinary product, of safety, in particular with regard to children, intended to deliver a liquid or pasty substance in a homogeneous and atraumatic manner on the site of use of a subject to be treated or fed.
  • the packages may exhibit also other disadvantages, especially for the user and / or the subject to be treated or to feed.
  • the existing packaging such as in particular the packaging of the product FRONTLINE Spot on Dog (Fipronil 10% -p / v) marketed by the company Merial TM, or packaging according to the documents WO2004 / 030821 and WO2006 / 058139 , leave unchecked, once opened, their content if the user is not careful or if he lets out the packaging.
  • thermoformed cannulas are rigid and may have undesirable fracture points depending on their length and the nature of the constituent materials. They may break upstream of the breakpoint, increasing the risk of product loss and contamination of the user's fingers.
  • the document US 5,067,635 discloses a sealed dispenser pouch comprising two panels forming a reservoir whose nominal volume is between about 100 ml and 1000 ml. However, this type of non-thermoformed reservoir bag is not suitable in particular for delivering low doses of product.
  • the document DE202004000591U1 discloses a re-sealable packaging incorporating an additional refilling system, which makes said packaging tight.
  • the stability of the content depends in part on the nature and integrity of the material constituting the packaging. The latter can influence interactions with the content, as well as exchanges with the outside such as the passage of water or oxygen. De facto, in cases where zones of fragility exist at the level of the opening or breakability zone on a packaging, the integrity of the material constituting the packaging is not always homogeneous since the zone of weakness corresponds to a weakness. physical shell facilitating opening but also decreasing the quality of protection of the packaging. The stability of the content also depends on both the dead volume, which determines the amount of air in contact with the contents; and also transparency, which conditions the possible effects of photo-degradation.
  • a problem to be solved by the invention is to provide a packaging that is safe, convenient to use, adapted to the content, economically and ecologically interesting, and a method of preparing such a packaging. , and which does not present all or some of the disadvantages described above.
  • thermoformed packaging as defined in claim 1 and intended to deliver a liquid or pasty substance.
  • thermoformed packaging is meant a package that has been manufactured by thermoforming a bottom complex, by heat sealing or gluing a gate complex and cutting to obtain the final shape.
  • the escape route is formed by a narrow, unsealed contact zone between the bottom complex and the gate complex bounded at the edges of the escape route by heat sealing or bonding the bottom complex with the complex of cover.
  • the escape route is capable of allowing the passage of the liquid or pasty substance when a pressure exerted by the user on the rigid deformable reservoir is reflected in the leakage path and causes a deformation removing the close contact between the complex background and the operculum complex that was responsible for closing the escape route.
  • the packaging is a packaging that is non-re-lockable that is safe, especially for children, practice of employment and which, once opened, is leak-proof and allows the flow of content, that is to say the liquid or pasty substance, homogeneously that under the control of the user.
  • the invention also proposes uses of a packaging according to claim 1 and as defined in claims 10 to 12. A method of manufacturing such a package is also described and defined in claim 13.
  • the figures 1 , 2 , 3 , 4 and 5 represent three possible alternative embodiments of packaging according to the invention, said packages being open ( figures 4 and 5 ) or closed ( figures 1 , 2 , and 3 ).
  • the lower part of the packaging comprises, in its central part, a reservoir shell 1, which houses a liquid or pasty content.
  • the upper part of the packaging comprises a leakage path 7 located between the upper end portion of the tank 1 and the applicator 3 which is disengaged when the packaging is open and in the mode of use.
  • This escape route 7, allowing the passage of the liquid or pasty substance from the reservoir to the applicator, is naturally closed in the absence of pressure exerted on the reservoir 1.
  • the tank 1 has in its upper terminal part a rigid protuberance 2 ( Figures 7a and 7b ).
  • This rigid protuberance 2 is intended to concentrate the arrival of the liquid or pasty substance at the level of the escape path 7.
  • the upper part of the packaging comprises a gripping area 5 formed by two gripping lugs 51 and 52.
  • the upper part of said gripping zone 5, that is to say the gripping lug 51 can be torn at a breakpoint zone 6 and thus release the applicator 3. Due to the presence of said gripping lugs 51 and 52, the risk of unintentionally squeezing the tank 1 and causing the product to leak during the operation is extremely limited, see below.
  • the skilled person can adapt the shape and size of the two gripping lugs 51 and 52 of the gripping zone 5 as long as they remain adapted to a grip by the user to break the breakout zone 6 to release or release the applicator 3.
  • the breakability zone 6 is breakable thanks to a movement back and forth of the upper gripping lug 51. To do this, the user must maintain the pipette at the lower gripping zone 52 Alternatively, the breakability zone can be torn in a pivoting movement and to make the user grasped with one hand, preferably between the thumb and the index finger the gripping ear 51. He proceeds with the other hand of identical manner with the gripping ear 52 and tears the breakability zone 6 to release the applicator 3. In all modes of opening, the position of the hands on the gripping ears, in particular on the gripping ear 52 , compresses the escape route 7, which prevents the accidental exit of the liquid or pasty product located in the tank 1.
  • the bottom part of the packaging substantially flat, also comprises in its central part the reservoir 1 which forms a rigid deformable shell and which houses the liquid or pasty content.
  • This tank 1 is connected to the upper part of the packaging by the escape route 7 which is naturally closed in the absence of pressure exerted on the tank 1.
  • a peelable label 8 is positioned on the breakability zone 6 (see figure 3 ).
  • the peelable label 8 considerably strengthens the structure of the breakability zone. The user must, in this case, remove the peelable label 8 before tearing or breaking the gripping zone 5 at the breakability zone 6.
  • This peelable label 8 further secures the packaging, particularly vis-à-vis children. Indeed, the addition of a manipulation creates a sequence of additional actions necessary to open the packaging.
  • the breakability zone 6 may alternatively consist of a connection zone between the gripping lugs 51 and 52 of smaller thickness and / or width forming an easily breakable or tearable embrittlement zone.
  • Such an embrittlement zone may be constituted by a break line in the flesh of the material forming the background complex.
  • the line or the score groove is conventionally made by a pre-cutting tool such as a blade, a laser system or a high-pressure water jet.
  • the break line has a convex shape. In general, the form of the applicator will be conditioned by the shape of the score line.
  • An advantage provided by the escape route in the case where the breakability zone comprises a break line is that the product does not come into contact with this weakened zone.
  • the escape path is indeed normally closed over its entire length as long as no pressure is exerted on the tank 1. This helps to ensure good stability to the contents.
  • the embrittlement zone is at least partially constituted by a narrowing between the lugs 51 and 52
  • the embrittlement can be increased by the formation of angles ⁇ whose vertices delimit the zone of breakability, the angles ⁇ thus formed being identical or different and preferably less than 120 ° and even more preferably less than 90 ° (see figure 2 ).
  • the peripheral part of the packaging ie the peripheral part of the tank 1 and the escape route 7, comprises a sealed zone 4.
  • the sealing of the zone 4 is achieved by bonding, by heat sealing, by tip-type welding diamond or by soldering flat.
  • This sealed zone 4 may have a width up to the edge of the packaging.
  • the packaging according to the invention is formed of at least two different materials.
  • the bottom portion where the tank 1 is salient, also called bottom complex 9 is formed of a rigid thermoformable film.
  • the flat top portion which consists of the lidding complex 10 is, for its part, formed of a flexible film.
  • the assembly of the packaging is obtained preferentially by thermo-welding of said parts at the zone 4.
  • the contours, the size and the shape of the tank 1 and the escape route 7 are determined by the sealed zone 4 .
  • the escape path 7 opens by deformation of the bottom complex and / or the sealing complex to the passage of the liquid or pasty substance contained in the reservoir under the action of the pressure exerted by the user on the reservoir.
  • the leakage path may be integrated in a thermoformed conduit 13 to facilitate the passage of the liquid or pasty substance between the reservoir 1 and the applicator 3.
  • the conduit thus formed will naturally be closed by the escape route 7 in the absence of pressure exerted by the user on the tank.
  • the bottom complex has at the reservoir 1 an imprint 11 having substantially the shape of the end of a finger.
  • the user may position his thumb, for example, at the location of this footprint 11, to press the shell at the reservoir and control the output of the liquid or pasty substance.
  • reinforcements 12 may be arranged on either side and in the vicinity of the escape path 7 as illustrated in FIG. figure 12A .
  • the rigid film is formed of a material chosen from polypropylene (PP), polyvinyl chloride (PVC), polyvinylidene chloride, cycloolefin copolymer (COC), polychlorinated trifluoroethylene (PCTFE), or derivatives thereof. , taken alone or mixed.
  • PP polypropylene
  • PVC polyvinyl chloride
  • COC cycloolefin copolymer
  • PCTFE polychlorinated trifluoroethylene
  • the rigid film is Polybar TM sold by Alcan Packaging TM, which consists of a copolymer cycloolefin (COC) film coextruded between two layers of polypropylene (PP).
  • COC copolymer cycloolefin
  • PP polypropylene
  • the Polybar is then laminated or laminated with a Barex TM film. The whole constitutes the background complex
  • a characteristic of the rigid film is that it must form a deformable shell at the reservoir 1, that is to say that it must be able to deform under the action of the pressure exerted by the user to drive the liquid or pasty product from the tank 1 to the applicator 3 through the leakage path 7.
  • the shape of the tank 1 should ideally allow a complete emptying of the tank under the action of the pressure exerted by the user.
  • the flexible film consists of a material chosen from polyethylene terephthalate (PET), polyamide, aluminum or polyacrylonitrile marketed by BP Chemicals TM under the brand name Barex TM, or derivatives thereof, taken alone. or combined.
  • PET polyethylene terephthalate
  • polyamide polyamide
  • aluminum or polyacrylonitrile marketed by BP Chemicals TM under the brand name Barex TM, or derivatives thereof, taken alone. or combined.
  • the invention also relates to a method of manufacturing a safety packaging, in particular for children.
  • This method comprising a step of sealing a rigid thermoformed portion and a flexible portion, as described above, comprising a reservoir 1 and a leakage path 7 to an applicator 3.
  • the reservoir 1 of the packaging according to the invention comprises a liquid or pasty composition capable of being expelled by the leakage path 7 to the applicator 3 after opening of the securing zone, by application by the user of a sufficient pressure on the tank 1.
  • the liquid or pasty composition may have a use in many areas, including food, cosmetic, pharmaceutical or veterinary. It may therefore be a food (liquid or pasta) intended to be ingested by a man or an animal by application directly into the mouth or mixed in the food or water of drink. It may also be cosmetics (in the form of solutions, suspensions, gels or pasta) for application on the hands, skin, face or hair of an individual.
  • compositions perfectly suited to the packaging according to the invention are the antiparasitic compositions for the prevention or the treatment of infestations in domestic animals, in particular dogs and cats, in the form of ready-to-use solution of the spot-on type. It is usually an application located on an area of less than 5 cm2 located between the shoulders in 1 or 2 points.
  • Such compositions may comprise at least one active ingredient advantageously chosen from fipronil, pyriproxyfen, imidacloprid, permethrin and nitenpyram.
  • the composition may also contain another pest active ingredient broadening the range of activity of Fipronil as an acaricide such as amitraz, permethrin or cymiazole, an inhibitor of Insect growth or IGR with respect to fleas or ticks such as pyriproxyfen or ethoxazole, avermectin or its derivatives with respect to endoparasites such as ivermectin, abamectin, doramectin, moxydectin or milbemycin .
  • the compositions are generally prepared by simply dissolving the insecticidal active ingredient (s) in the solvent system according to techniques known to those skilled in the art.
  • the figures 9 , 10 and 11 schematize the conditioning in use mode. So, the figure 9 illustrates the manner in which the fingers of the user are positioned to tear and open the packaging at the level of the breakability zone 6.
  • the figure 10 illustrates open packaging.
  • the packaging does not let the content escape by simple gravity when the user maintains it.
  • the content therefore remains in the tank 1.
  • the system with escape path 7 allows to maintain the packaging or simply to ask, without taking care to open since the open system does not leak.
  • the expulsion of the content out of the packaging is therefore under the control of the user.
  • the liquid or paste contained in the reservoir is expelled under pressure applied by the user at the reservoir. This pressure allows the paste or the liquid to take the escape route 7 whose flexible part deforms and allows the escape of the contents under the effect of the pressure imposed by the user on the tank 1 ( figure 11 ).
  • the gripping lug 51 is completely detached from the packaging. Access to the site of use or application of the liquid or paste is simplified because this gripping ear 51 does not interfere with the access of the remaining packaging to the site of use, as may be the case with other packages of the prior art.
  • the escape path 7 is borrowed by the contents only when the user presses the deformable shell forming reservoir 1.
  • the open packaging after opening, during the administration of the content on the site of use, for example on the skin, between the hairs of an animal, or on the mucous membranes, the open packaging must be atraumatic .
  • a pipette for veterinary use is formed according to the scheme of the figure 1 .
  • the bottom complex is made of Polybar TM which consists of a copolymer cycloolefin copolymer (COC) film coextruded between two layers of polypropylene (PP), laminated with a Barex TM film.
  • the lidding complex consists of a PET / Aluminum / Barex TM complex. The assembly of the packaging is obtained by thermo-welding of the bottom complex with the lidding complex. A break line is formed by a blade at the breakpoint zone 6.
  • the content consists of a solution of formula below: components Quantity fipronil 10.0 g Benzyl alcohol 30.0 g butylhydroxyanisole 0.02 g butylhydroxytoluene 0.01 g Diethylene glycol monoethyl ether qs 100 ml
  • each pipette has the same shape of cut, only the depth of the tank being adapted to the capacity of ...
  • the pipettes are opened by holding the "bottom complex" pipette (salient reservoir) towards the user.
  • the ear 52 is firmly held while the ear 51 is fully pushed to breaking the bottom complex. It is then observed that a pressure applied to the reservoir does not yet allow to expel the contained product. It is necessary to completely fold the ear 51 towards the user so that it breaks off and thus releases the applicator 3. Then the product can be expelled by applying a pressure on the reservoir 1. It is also observed that the liquid flows in the form of a continuous jet and powerful that has the advantage of allowing to reach deep areas, to the skin, in the fur of an animal during topical application.
  • each pipette ensures at room temperature very good stability to the active ingredient contained in the formula, in accordance with pharmaceutical regulations.
  • Pipette according to the invention Distributed mass 1 g Pipette with thermoformed canula Dispensed mass 0.6 g Falling height of a table (75 cm) Loss of product of the order of 0.01 g on average, ie 1% of the product distributed Loss of product of the order of 0.07 g on average or 11.6% of the product distributed Opening upside down and shaking (three lateral movements in 3 sec.) No leak, no drop Appearance of a drop at the opening and several drops escape from the pipette during shaking Presence of product on the fingers at the opening No Splashes possible during opening, observed especially when liquid product is present in the cannula Falling height of a table (75 cm) Loss of product of the order of 0.03 g on average or 0.75% of the product distributed Loss of product on the order of 0.2 g on average, ie 4.76% of the product distributed Opening
  • the pipette according to the invention avoids product leakage during opening and when is open (if the pipette is dropped or mishandled).
  • the delivery of the product contained in the pipettes according to the invention is under the exclusive control of the user.
  • the pipette according to the invention provides a very satisfactory level of safety perceived by the users, both for the user and for the environment. Additional tests carried out in children under 5 years have confirmed the very good safety pipettes according to the invention in terms of prevention of their opening by children. Moreover, the same pipettes according to the invention presented to elderly people have been easily opened and used.

Description

La présente invention concerne un conditionnement thermoformé non rebouchable pour un produit alimentaire, cosmétique, pharmaceutique ou vétérinaire, de sécurité, en particulier vis-à-vis des enfants, destiné à délivrer une substance liquide ou pâteuse de façon homogène et atraumatique sur le site d'emploi d'un sujet à traiter ou à alimenter.The present invention relates to a non-refoldable thermoformed packaging for a food, cosmetic, pharmaceutical or veterinary product, of safety, in particular with regard to children, intended to deliver a liquid or pasty substance in a homogeneous and atraumatic manner on the site of use of a subject to be treated or fed.

Les enfants sont, par nature, curieux et en quête d'apprentissage. Aussi, la découverte d'objets nouveaux peut s'avérer très dangereuse, si ces enfants ne sont pas sous la surveillance d'un adulte. En effet, la découverte de nouveaux objets, notamment chez les enfants en bas âge, passe par la préhension, mais également par la succion ou par la morsure.Children are naturally curious and in search of learning. Also, the discovery of new objects can be very dangerous, if these children are not under the supervision of an adult. Indeed, the discovery of new objects, especially in young children, through gripping, but also by suction or bite.

Ainsi, des produits ou des conditionnements destinés à contenir des substances actives ou toxiques et qui revendiquent notamment l'appellation « à l'épreuve des enfants » ou « child resistant », c'est-à-dire des produits et conditionnements de sécurité pour enfants, ne doivent pas pouvoir être facilement ouverts par des enfants de moins de 5 ans. Cependant, la difficulté d'ouverture de tels conditionnements pour les enfants ne doit pas rendre l'utilisation du système trop complexe ni se faire au détriment de la praticité d'usage pour l'utilisateur, en particulier pour les personnes âgées.Thus, products or packages intended to contain active or toxic substances and which claim in particular the term "childproof" or "child resistant", that is to say products and safety packagings for children, can not be easily opened by children under 5 years old. However, the difficulty of opening such packaging for children should not make the use of the system too complex and be at the expense of the convenience of use for the user, especially for the elderly.

Les conditionnements de sécurité pour enfants existants à ce jour, destinés à délivrer une substance liquide ou pâteuse de façon homogène, ne sont bien souvent pas pratiques d'emploi, ni adaptés au produit ou contenu conditionné.Existing child safety packs intended to deliver a liquid or pasty substance in a homogeneous manner are often not practical or adapted to the product or conditioned contents.

Différentes solutions techniques ont déjà été mises en oeuvre. On connaît, par exemple, des dispositifs de fermeture de récipients à l'épreuve des enfants comprenant un col comportant sur sa surface extérieure deux filetages décalés axialement et un bouchon comportant sur sa surface intérieure deux filetages décalés axialement, respectivement complémentaires des filetages sur la surface extérieure du récipient, la distance entre les filetages du bouchon étant inférieure à la distance entre les filetage du col, obligeant ainsi à produire une combinaison de mouvements pour ouvrir le récipient. Les zones comprises entre les filetages respectifs du col et du bouchon sont par ailleurs munies de rainures annulaires qui conduisent à exercer une traction importante sur le bouchon pour ouvrir le récipient. D'autres solutions, notamment divulguées dans le modèle d'utilité DE202004003781U au nom de Klocke Verpackungs-Service GmbH, consistent à sécuriser le conditionnement vis-à-vis des enfants notamment par enclavement dans un suremballage supplémentaire. C'est donc ce conditionnement suremballé qui est dit « de sécurité pour enfants » (« child résistant »).Different technical solutions have already been implemented. For example, there are known devices for closing child-proof containers comprising a neck comprising on its outer surface two axially offset threads and a cap having on its inner surface two axially offset threads, respectively complementary to the threads on the surface. external of the container, the distance between the threads of the plug being less than the distance between the threads of the neck, thus forcing to produce a combination of movements to open the container. The areas between the respective threads of the neck and the plug are also provided with annular grooves which lead to exerting a large pull on the plug to open the container. Other solutions, in particular disclosed in the utility model DE202004003781U in the name of Klocke Verpackungs-Service GmbH, consists of securing the packaging with regard to children, in particular by enclosing them in an additional overpack. It is therefore this packaging overpack that is said "child safety"("childresistant").

Toutefois, ces solutions ne donnent pas toujours entière satisfaction. En effet, de tels bouchons ou conditionnements suremballés ne sont pas écologiquement ni économiquement intéressants. En outre, leur manipulation et notamment la difficulté d'ouverture du suremballage rendent leur utilisation parfois difficile et peu pratique.However, these solutions do not always give complete satisfaction. Indeed, such plugs or packaged packaging are not environmentally or economically interesting. In addition, their handling and in particular the difficulty of opening the overpack make their use sometimes difficult and impractical.

Dans le domaine de la pharmacie vétérinaire, pour des systèmes d'administrations de produits topiques sur la fourrure des animaux comme par exemple les chiens et les chats, les conditionnements peuvent présenter également d'autres inconvénients, notamment pour l'utilisateur et/ou pour le sujet à traiter ou à alimenter. Ainsi, une fois ouvert, les conditionnements existants, tels que notamment le conditionnement du produit FRONTLINE™ Spot on Chien (Fipronil 10% -p/v) commercialisé par la société Merial™, ou encore les conditionnements selon les documents WO2004/030821 et WO2006/058139 , laissent couler sans contrôle, une fois ouverts, leur contenu si l'utilisateur n'y prend pas garde ou s'il laisse échapper le conditionnement.In the field of veterinary pharmacy, for systems for administering topical products to the fur of animals, for example dogs and cats, the packages may exhibit also other disadvantages, especially for the user and / or the subject to be treated or to feed. Thus, once opened, the existing packaging, such as in particular the packaging of the product FRONTLINE Spot on Dog (Fipronil 10% -p / v) marketed by the company Merial ™, or packaging according to the documents WO2004 / 030821 and WO2006 / 058139 , leave unchecked, once opened, their content if the user is not careful or if he lets out the packaging.

En effet, l'existence d'un système de distribution du produit pharmaceutique avec une canule thermoformée rend l'écoulement de la substance contenue possible par simple gravité, une fois le conditionnement ouvert. Ceci conduit à ce que la manipulation des conditionnements cités ci-dessus augmente les risques de contamination involontaire de l'utilisateur, du sujet à traiter ou de l'environnement. Il peut par ailleurs arriver qu'une partie du produit présent dans la canule s'échappe de façon non contrôlé lors de l'ouverture. Ceci pose un important problème d'observance (c'est-à-dire de respect de la posologie) lorsqu'il s'agit de produits pharmaceutiques ou vétérinaires, l'utilisateur ne sachant plus précisément la dose qu'il va délivrer. De plus, les canules thermoformées sont rigides et peuvent présenter des points de fractures indésirables en fonction de leur longueur et de la nature des matériaux les constituants. Il arrive ainsi qu'elles se cassent en amont du trait de sécabilité, augmentant les risques de perte de produit et de contamination des doigts de l'utilisateur.Indeed, the existence of a distribution system of the pharmaceutical product with a thermoformed cannula makes the flow of the substance contained possible by simple gravity, once the packaging is open. This leads to the manipulation of the packaging mentioned above increasing the risk of involuntary contamination of the user, the subject to be treated or the environment. It can also happen that part of the product in the cannula escapes uncontrollably during opening. This poses a significant problem of compliance (that is to say, compliance with the dosage) when it comes to pharmaceutical or veterinary products, the user is no longer precisely knowing the dose it will deliver. In addition, the thermoformed cannulas are rigid and may have undesirable fracture points depending on their length and the nature of the constituent materials. They may break upstream of the breakpoint, increasing the risk of product loss and contamination of the user's fingers.

Le document US 5,067,635 divulgue une poche-réservoir (dispenser pouch) scellée comprenant deux panneaux formant un réservoir dont le volume nominal est compris entre environ 100 ml et 1000 ml. Toutefois, ce type de poche réservoir non thermoformées n'est pas adapté notamment pour délivrer de faibles doses de produit. Le document DE202004000591U1 divulgue un conditionnement rebouchable intégrant un système de rebouchage supplémentaire, qui permet de rendre ledit conditionnement étanche.The document US 5,067,635 discloses a sealed dispenser pouch comprising two panels forming a reservoir whose nominal volume is between about 100 ml and 1000 ml. However, this type of non-thermoformed reservoir bag is not suitable in particular for delivering low doses of product. The document DE202004000591U1 discloses a re-sealable packaging incorporating an additional refilling system, which makes said packaging tight.

Un autre inconvénient des conditionnements actuellement commercialisés qui représentent l'état de la technique de l'invention, réside dans leur système d'ouverture. En effet, après ouverture, lors de l'administration sur le site d'emploi du sujet à traiter ou à alimenter, certains conditionnements rigides peuvent entrainer des petites griffures, par exemple au niveau de la peau ou des muqueuses, dues à la présence d'arêtes vives qui apparaissent au niveau de l'applicateur lors de l'ouverture du conditionnement. Le document WO95/12531A1 décrit un conditionnement selon le préambule de la revendication 1. Enfin, le conditionnement selon l'invention doit être adapté au contenu qu'il abrite.Another disadvantage of currently marketed packages which represent the state of the art of the invention lies in their opening system. Indeed, after opening, during the administration on the site of use of the subject to be treated or fed, some rigid packaging can cause small scratches, for example in the skin or mucous membranes, due to the presence of sharp edges that appear at the applicator when opening the packaging. The document WO95 / 12531A1 describes a packaging according to the preamble of claim 1. Finally, the packaging according to the invention must be adapted to the content it houses.

En effet, la stabilité du contenu dépend en partie de la nature et de l'intégrité du matériau constituant le conditionnement. Ce dernier peut influencer les interactions avec le contenu, ainsi que les échanges avec l'extérieur tels que le passage d'eau ou encore d'oxygène. De facto, dans les cas où existent des zones de fragilité au niveau de la zone d'ouverture ou de sécabilité sur un conditionnement, l'intégrité du matériau constituant le conditionnement n'est pas toujours homogène puisque la zone de fragilité correspond à une faiblesse physique de la coque facilitant l'ouverture mais diminuant aussi la qualité de protection du conditionnement. La stabilité du contenu dépend également à la fois du volume mort, qui détermine la quantité d'air en contact avec le contenu ; et aussi de la transparence, qui conditionne les effets éventuels de photo-dégradation.Indeed, the stability of the content depends in part on the nature and integrity of the material constituting the packaging. The latter can influence interactions with the content, as well as exchanges with the outside such as the passage of water or oxygen. De facto, in cases where zones of fragility exist at the level of the opening or breakability zone on a packaging, the integrity of the material constituting the packaging is not always homogeneous since the zone of weakness corresponds to a weakness. physical shell facilitating opening but also decreasing the quality of protection of the packaging. The stability of the content also depends on both the dead volume, which determines the amount of air in contact with the contents; and also transparency, which conditions the possible effects of photo-degradation.

Considérant ce qui précède, un problème que se propose de résoudre l'invention est de réaliser un conditionnement qui soit sûr, pratique d'emploi, adapté au contenu, économiquement et écologiquement intéressant, ainsi qu'un procédé de préparation d'un tel conditionnement, et qui ne présente pas tout ou partie des inconvénients exposés précédemment.Considering the above, a problem to be solved by the invention is to provide a packaging that is safe, convenient to use, adapted to the content, economically and ecologically interesting, and a method of preparing such a packaging. , and which does not present all or some of the disadvantages described above.

La solution proposée par l'invention à ce problème posé a pour premier objet un conditionnement thermoformé tel que défini dans la revendication 1 et destiné à délivrer une substance liquide ou pâteuse.The solution proposed by the invention to this problem has for first object a thermoformed packaging as defined in claim 1 and intended to deliver a liquid or pasty substance.

Par conditionnement thermoformé on entend un conditionnement qui a été fabriqué par thermoformage d'un complexe de fond, par thermoscellage ou collage d'un complexe d'opercule et découpe pour obtenir la forme finale.By thermoformed packaging is meant a package that has been manufactured by thermoforming a bottom complex, by heat sealing or gluing a gate complex and cutting to obtain the final shape.

Le chemin de fuite est formé par une zone de contact étroit, non scellée, entre le complexe de fond et le complexe d'opercule délimitée sur les bords du chemin de fuite par le thermoscellage ou le collage du complexe de fond avec le complexe d'opercule. Le chemin de fuite est susceptible de permettre le passage de la substance liquide ou pâteuse lorsqu'une pression exercée par l'utilisateur sur le réservoir rigide déformable se répercute jusque dans le chemin de fuite et provoque une déformation faisant disparaître le contact étroit entre le complexe de fond et le complexe d'opercule qui était à l'origine de la fermeture du chemin de fuite.The escape route is formed by a narrow, unsealed contact zone between the bottom complex and the gate complex bounded at the edges of the escape route by heat sealing or bonding the bottom complex with the complex of cover. The escape route is capable of allowing the passage of the liquid or pasty substance when a pressure exerted by the user on the rigid deformable reservoir is reflected in the leakage path and causes a deformation removing the close contact between the complex background and the operculum complex that was responsible for closing the escape route.

Ainsi, le conditionnement est un conditionnement qui est non rebouchable qui soit de sécurité, en particulier pour les enfants, pratique d'emploi et qui, une fois ouvert, soit anti-fuite et ne laisse s'écouler le contenu, c'est-à-dire la substance liquide ou pâteuse, de façon homogène que sous le contrôle de l'utilisateur.Thus, the packaging is a packaging that is non-re-lockable that is safe, especially for children, practice of employment and which, once opened, is leak-proof and allows the flow of content, that is to say the liquid or pasty substance, homogeneously that under the control of the user.

De plus, il est avantageusement atraumatique, c'est-à-dire il évite, même s'il existe des arêtes vives, de griffer ou blesser le site d'administration sur un sujet à traiter ou à alimenter, au niveau de l'applicateur.In addition, it is advantageously atraumatic, that is to say it avoids, even if there are sharp edges, to scratch or injure the site of administration on a subject to treat or feed, at the level of applicator.

Il est enfin adapté à son contenu. L'invention propose aussi des utilisations d'un conditionnement selon la revendication 1, et telles que définies dans les revendications 10 à 12. Un procédé de fabrication d'un tel conditionnement est également décrit et défini dans la revendication 13.It is finally adapted to its content. The invention also proposes uses of a packaging according to claim 1 and as defined in claims 10 to 12. A method of manufacturing such a package is also described and defined in claim 13.

D'autres buts, avantages et caractéristiques de l'invention seront mieux compris à la lecture de la description et des modes de réalisation préférés qui suivent, non limitatifs de l'objet et de la portée de la présente demande de brevet, et qui sont rédigés au regard des dessins annexés, dans lesquels :

  • les figures 1, 2 et 3 représentent, de manière schématique, différents modes de réalisation de conditionnements fermés selon l'invention, en vue de dessus (face visible correspondant au complexe d'operculage) ;
  • les figures 4 et 5 représentent, de manière schématique, des conditionnements ouverts selon l'invention, en vue de dessus (face visible correspondant au complexe d'operculage) ;
  • la figure 6a représente, de manière schématique, un conditionnement fermé selon l'invention, en vue de dessous (face visible correspondant au complexe de fond, c'est-à-dire réservoir 1 saillant) ;
  • la figure 6b représente, de manière schématique, un conditionnement fermé selon l'invention, en vue de côté ;
  • la figure 7a représente, de manière schématique, un conditionnement ouvert selon l'invention, en vue de dessous (face visible correspondant au complexe de fond, c'est-à-dire réservoir 1 saillant) ;
  • la figure 7b représente, de manière schématique, un conditionnement ouvert selon l'invention, en vue de côté ;
  • la figure 8 représente, de manière schématique, une vue en coupe transversale au niveau du réservoir 1 d'un conditionnement selon l'invention ;
  • la figure 9 représente, de manière schématique, l'ouverture d'un conditionnement, selon l'invention ;
  • la figure 10 représente, de manière schématique, un conditionnement basculé une fois ouvert, selon l'invention ;
  • la figure 11 représente, de manière schématique, une vue de côté d'un conditionnement ouvert et en mode d'utilisation, selon l'invention ;
  • les figures 12A représente, de manière schématique, un mode de réalisation alternatif de conditionnements selon l'invention, en vue de dessous (face visible correspondant au complexe de fond, c'est-à-dire réservoir 1 saillant) ;
  • La figure 12B représente, de manière schématique, une coupe longitudinale du conditionnement représenté à la figure 12A en vue de côté ;
  • La figure 13A représente, de manière schématique, un mode de réalisation alternatif de conditionnement selon l'invention, en vue de dessous (face visible correspondant au complexe de fond, c'est-à-dire réservoir 1 saillant) ;
  • La figure 13B représente, de manière schématique, une coupe longitudinale du conditionnement représenté à la figure 13A en vue de côté.
Other objects, advantages and features of the invention will be better understood on reading the following description and preferred embodiments, which are not limiting to the object and scope of the present patent application, and which are with reference to the accompanying drawings, in which:
  • the figures 1 , 2 and 3 show, schematically, different embodiments of closed packages according to the invention, in top view (visible face corresponding to the sealing complex);
  • the figures 4 and 5 represent, schematically, open packages according to the invention, in top view (visible face corresponding to the sealing complex);
  • the figure 6a represents, schematically, a closed package according to the invention, in view from below (visible face corresponding to the bottom complex, that is to say reservoir 1 salient);
  • the figure 6b represents, schematically, a closed package according to the invention, in side view;
  • the figure 7a represents, schematically, an open package according to the invention, in view from below (visible face corresponding to the bottom complex, that is to say reservoir 1 salient);
  • the figure 7b represents, schematically, an open package according to the invention, in side view;
  • the figure 8 represents, schematically, a cross-sectional view at the level of the tank 1 of a packaging according to the invention;
  • the figure 9 represents, schematically, the opening of a packaging according to the invention;
  • the figure 10 represents, schematically, a tilted packaging once opened, according to the invention;
  • the figure 11 schematically represents a side view of an open package and in use mode, according to the invention;
  • the Figures 12A represents, schematically, an alternative embodiment of packaging according to the invention, in view from below (visible face corresponding to the bottom complex, that is to say reservoir 1 salient);
  • The figure 12B represents, schematically, a longitudinal section of the packaging shown in FIG. figure 12A in side view;
  • The figure 13A represents, schematically, an alternative embodiment of packaging according to the invention, in view from below (visible face corresponding to the bottom complex, that is to say reservoir 1 salient);
  • The Figure 13B represents, schematically, a longitudinal section of the packaging shown in FIG. figure 13A in side view.

Les figures 1, 2, 3, 4 et 5 représentent trois alternatives possibles de réalisation de conditionnements selon l'invention, lesdits conditionnements étant ouverts (figures 4 et 5) ou fermés (figures 1, 2, et 3). La partie inférieure du conditionnement comprend, dans sa partie centrale, une coque formant réservoir 1, qui abrite un contenu sous forme liquide ou pâteuse.The figures 1 , 2 , 3 , 4 and 5 represent three possible alternative embodiments of packaging according to the invention, said packages being open ( figures 4 and 5 ) or closed ( figures 1 , 2 , and 3 ). The lower part of the packaging comprises, in its central part, a reservoir shell 1, which houses a liquid or pasty content.

La partie supérieur du conditionnement comprend un chemin de fuite 7 situé entre la partie terminale supérieur du réservoir 1 et l'applicateur 3 qui est dégagé lorsque le conditionnement est ouvert et en mode d'utilisation. Ce chemin de fuite 7, permettant le passage de la substance liquide ou pâteuse du réservoir vers l'applicateur, est naturellement fermé en absence de pression exercée sur le réservoir 1.The upper part of the packaging comprises a leakage path 7 located between the upper end portion of the tank 1 and the applicator 3 which is disengaged when the packaging is open and in the mode of use. This escape route 7, allowing the passage of the liquid or pasty substance from the reservoir to the applicator, is naturally closed in the absence of pressure exerted on the reservoir 1.

Selon une première alternative, le réservoir 1 présente dans sa partie terminale supérieure, une protubérance rigide 2 (figures 7a et 7b). Cette protubérance rigide 2 est destinée à concentrer l'arrivée de la substance liquide ou pâteuse au niveau du chemin de fuite 7.According to a first alternative, the tank 1 has in its upper terminal part a rigid protuberance 2 ( Figures 7a and 7b ). This rigid protuberance 2 is intended to concentrate the arrival of the liquid or pasty substance at the level of the escape path 7.

De manière préférée, la partie supérieure du conditionnement comprend une zone de préhension 5 formée de deux oreilles de préhension 51 et 52. La partie supérieure de ladite zone de préhension 5, c'est-à-dire l'oreille de préhension 51 peut être déchirée au niveau d'une zone de sécabilité 6 et ainsi dégager l'applicateur 3. Grâce à la présence desdites oreilles de préhension 51 et 52, le risque de presser involontairement le réservoir 1 et de provoquer la fuite du produit lors de l'opération d'ouverture est extrêmement limité, voirenul.Preferably, the upper part of the packaging comprises a gripping area 5 formed by two gripping lugs 51 and 52. The upper part of said gripping zone 5, that is to say the gripping lug 51 can be torn at a breakpoint zone 6 and thus release the applicator 3. Due to the presence of said gripping lugs 51 and 52, the risk of unintentionally squeezing the tank 1 and causing the product to leak during the operation is extremely limited, see below.

L'Homme du métier pourra adapter la forme et la taille des deux oreilles de préhension 51 et 52 de la zone de préhension 5 tant qu'elles restent adaptées à une prise en mains par l'utilisateur permettant de rompre la zone de sécabilité 6 pour dégager ou libérer l'applicateur 3.The skilled person can adapt the shape and size of the two gripping lugs 51 and 52 of the gripping zone 5 as long as they remain adapted to a grip by the user to break the breakout zone 6 to release or release the applicator 3.

Selon l'invention, la zone de sécabilité 6 est cassable grâce à un mouvement d'avant en arrière de l'oreille de préhension supérieure 51. Pour ce faire, l'utilisateur doit maintenir la pipette au niveau de la zone de préhension inférieure 52. Alternativement, la zone de sécabilité est déchirable selon un mouvement de pivotement et pour se faire l'utilisateur saisi avec une main, de préférence entre le pouce et l'index l'oreille de préhension 51. Il procède avec l'autre main de manière identique avec l'oreille de préhension 52 et déchire la zone de sécabilité 6 pour libérer l'applicateur 3. Dans tous les modes d'ouverture, la position des mains sur les oreilles de préhension, en particulier sur l'oreille de préhension 52, exerce une compression sur le chemin de fuite 7, ce qui empêche la sortie accidentelle du produit liquide ou pâteux situé dans le réservoir 1.According to the invention, the breakability zone 6 is breakable thanks to a movement back and forth of the upper gripping lug 51. To do this, the user must maintain the pipette at the lower gripping zone 52 Alternatively, the breakability zone can be torn in a pivoting movement and to make the user grasped with one hand, preferably between the thumb and the index finger the gripping ear 51. He proceeds with the other hand of identical manner with the gripping ear 52 and tears the breakability zone 6 to release the applicator 3. In all modes of opening, the position of the hands on the gripping ears, in particular on the gripping ear 52 , compresses the escape route 7, which prevents the accidental exit of the liquid or pasty product located in the tank 1.

Ainsi que cela est représenté aux figures 6a et 7a, qui sont des vues de dessous de conditionnements selon l'invention ouverts (figure 7a) ou fermés (figure 6a), la partie de dessous du conditionnement, sensiblement plane, comprend également dans sa partie centrale le réservoir 1 qui forme une coque déformable rigide et qui abrite le contenu sous forme liquide ou pâteuse. Ce réservoir 1 est relié à la partie supérieure du conditionnement par le chemin de fuite 7 qui est naturellement fermé en absence de pression exercée sur le réservoir 1.As is shown in Figures 6a and 7a , which are views from below of packages according to the invention open ( figure 7a ) or closed ( figure 6a ), the bottom part of the packaging, substantially flat, also comprises in its central part the reservoir 1 which forms a rigid deformable shell and which houses the liquid or pasty content. This tank 1 is connected to the upper part of the packaging by the escape route 7 which is naturally closed in the absence of pressure exerted on the tank 1.

Selon une alternative, une étiquette décollable 8 est positionnée sur la zone de sécabilité 6 (voir figure 3). Lorsqu'elle est en place, l'étiquette décollable 8 renforce considérablement la structure de la zone de sécabilité. L'utilisateur doit, dans ce cas, ôter l'étiquette décollable 8 avant de déchirer ou de rompre la zone de préhension 5 au niveau de la zone de sécabilité 6. Cette étiquette décollable 8 sécurise d'avantage le conditionnement, en particulier vis-à-vis des enfants. En effet, l'ajout d'une manipulation crée une séquence d'actions supplémentaires nécessaire pour ouvrir le conditionnement.According to an alternative, a peelable label 8 is positioned on the breakability zone 6 (see figure 3 ). When in place, the peelable label 8 considerably strengthens the structure of the breakability zone. The user must, in this case, remove the peelable label 8 before tearing or breaking the gripping zone 5 at the breakability zone 6. This peelable label 8 further secures the packaging, particularly vis-à-vis children. Indeed, the addition of a manipulation creates a sequence of additional actions necessary to open the packaging.

Par ailleurs, la zone de sécabilité 6 peut être alternativement constituée d'une zone de liaison entre les oreilles de préhension 51 et 52 de plus faible épaisseur et/ou largeur formant une zone de fragilisation aisément sécable ou déchirable. Une telle zone de fragilisation peut être constituée par un trait de sécabilité dans la chair du matériau formant le complexe de fond. Le trait ou la rainure de sécabilité est classiquement réalisé par un outil de pré-découpe tel qu'une lame, un système laser ou un jet d'eau à haute pression. Préférentiellement, afin de limiter la présence d'angles saillants susceptibles de causer des griffures sur le site d'application du produit, le trait de sécabilité a une forme convexe. De manière générale, la forme de l'applicateur sera conditionnée par la forme du trait de sécabilité.Furthermore, the breakability zone 6 may alternatively consist of a connection zone between the gripping lugs 51 and 52 of smaller thickness and / or width forming an easily breakable or tearable embrittlement zone. Such an embrittlement zone may be constituted by a break line in the flesh of the material forming the background complex. The line or the score groove is conventionally made by a pre-cutting tool such as a blade, a laser system or a high-pressure water jet. Preferably, in order to limit the presence of protruding angles likely to cause scratches on the product application site, the break line has a convex shape. In general, the form of the applicator will be conditioned by the shape of the score line.

Un avantage procuré par le chemin de fuite dans le cas où la zone de sécabilité comprend un trait de sécabilité est que le produit ne vient pas au contact de cette zone affaiblie. Le chemin de fuite est en effet normalement fermé sur toute sa longueur tant qu'aucune pression n'est exercée sur le réservoir 1. Ceci participe à assurer une bonne stabilité au contenu.An advantage provided by the escape route in the case where the breakability zone comprises a break line is that the product does not come into contact with this weakened zone. The escape path is indeed normally closed over its entire length as long as no pressure is exerted on the tank 1. This helps to ensure good stability to the contents.

Dans le cas où la zone de fragilisation est au moins partiellement constituée par un rétrécissement entre les oreilles 51 et 52, la fragilisation peut être augmentée par la formation d'angles α dont les sommets délimitent la zone de sécabilité, les angles α ainsi formés étant identiques ou différents et préférentiellement inférieurs à 120° et encore plus préférentiellement inférieurs à 90° (voir figure 2).In the case where the embrittlement zone is at least partially constituted by a narrowing between the lugs 51 and 52, the embrittlement can be increased by the formation of angles α whose vertices delimit the zone of breakability, the angles α thus formed being identical or different and preferably less than 120 ° and even more preferably less than 90 ° (see figure 2 ).

Il peut aussi être recommandé d'utiliser une paire de ciseaux pour découper la zone de sécabilité 6 en tenant simultanément l'oreille 52.It may also be recommended to use a pair of scissors to cut the score zone 6 by simultaneously holding the ear 52.

La partie périphérique du conditionnement, c'est à dire la partie périphérique au réservoir 1 et au chemin de fuite 7, comporte une zone scellée 4. Préférentiellement, le scellage de la zone 4 est réalisé par collage, par thermosoudure, par soudure type pointe de diamant ou encore par soudure à plat. Cette zone scellée 4 peut avoir une largeur allant jusqu'au bord du conditionnement.The peripheral part of the packaging, ie the peripheral part of the tank 1 and the escape route 7, comprises a sealed zone 4. Preferably, the sealing of the zone 4 is achieved by bonding, by heat sealing, by tip-type welding diamond or by soldering flat. This sealed zone 4 may have a width up to the edge of the packaging.

Comme illustré à la figure 8, le conditionnement selon l'invention est formé d'au moins deux matériaux différents. Ainsi, la partie de dessous où le réservoir 1 est saillant, encore appelée complexe de fond 9, est formée d'un film rigide thermoformable. La partie de dessus plane qui est constituée du complexe d'operculage 10, est, quant à elle, formée d'un film souple. Selon l'invention, l'assemblage du conditionnement est obtenu préférentiellement par thermo-soudure desdites parties au niveau de la zone 4. Les contours, la taille et la forme du réservoir 1 et du chemin de fuite 7 sont déterminés par la zone scellée 4.As illustrated in figure 8 , the packaging according to the invention is formed of at least two different materials. Thus, the bottom portion where the tank 1 is salient, also called bottom complex 9, is formed of a rigid thermoformable film. The flat top portion which consists of the lidding complex 10 is, for its part, formed of a flexible film. According to the invention, the assembly of the packaging is obtained preferentially by thermo-welding of said parts at the zone 4. The contours, the size and the shape of the tank 1 and the escape route 7 are determined by the sealed zone 4 .

Le chemin de fuite 7 s'ouvre par déformation du complexe de fond et/ou du complexe d'operculage au passage de la substance liquide ou pâteuse contenu dans le réservoir sous l'action de la pression exercée par l'utilisateur sur le réservoir.The escape path 7 opens by deformation of the bottom complex and / or the sealing complex to the passage of the liquid or pasty substance contained in the reservoir under the action of the pressure exerted by the user on the reservoir.

Selon un mode de réalisation de l'invention illustré à la figure 12A et 12B, le chemin de fuite peut être intégré dans un conduit thermoformée 13 afin de faciliter le passage de la substance liquide ou pâteuse entre la réservoir 1 et l'applicateur 3. Le conduit ainsi formé sera naturellement fermé par le chemin de fuite 7 en absence de pression exercée par l'utilisateur sur le réservoir.According to one embodiment of the invention illustrated in Figure 12A and 12B , the leakage path may be integrated in a thermoformed conduit 13 to facilitate the passage of the liquid or pasty substance between the reservoir 1 and the applicator 3. The conduit thus formed will naturally be closed by the escape route 7 in the absence of pressure exerted by the user on the tank.

De manière avantageuse, comme illustré aux figures 12A et 13A, le complexe de fond présente au niveau du réservoir 1 une empreinte 11 ayant sensiblement la forme de l'extrémité d'un doigt. L'utilisateur pourra positionner son pouce, par exemple, à l'emplacement de cette empreinte 11, pour presser la coque au niveau du réservoir et commander la sortie de la substance liquide ou pâteuse.Advantageously, as illustrated in Figures 12A and 13A , the bottom complex has at the reservoir 1 an imprint 11 having substantially the shape of the end of a finger. The user may position his thumb, for example, at the location of this footprint 11, to press the shell at the reservoir and control the output of the liquid or pasty substance.

Pour améliorer la rigidité de la partie supérieur du conditionnement, des renforts 12 peuvent être disposés de part et d'autre et à proximité du chemin de fuite 7 comme illustré à la figure 12A.To improve the rigidity of the upper part of the packaging, reinforcements 12 may be arranged on either side and in the vicinity of the escape path 7 as illustrated in FIG. figure 12A .

Avantageusement, le film rigide est formé d'un matériau choisi parmi le polypropylène (PP), le polychlorure de vinyle (PVC), le polychlorure de vinylidène, le cyclo-oléfine copolymère (COC), le polychlortrifluoroethylène (PCTFE), ou leurs dérivés, pris seuls ou en mélange.Advantageously, the rigid film is formed of a material chosen from polypropylene (PP), polyvinyl chloride (PVC), polyvinylidene chloride, cycloolefin copolymer (COC), polychlorinated trifluoroethylene (PCTFE), or derivatives thereof. , taken alone or mixed.

De préférence encore, le film rigide est le Polybar™ commercialisé par la société Alcan Packaging™, qui est constitué d'un film de cyclo-oléfine copolymère (COC) co-extrudé entre deux couches de polypropylène (PP). Le Polybar est ensuite contrecollé ou laminé avec un film en Barex™. L'ensemble constitue le complexe de fondMore preferably, the rigid film is Polybar ™ sold by Alcan Packaging ™, which consists of a copolymer cycloolefin (COC) film coextruded between two layers of polypropylene (PP). The Polybar is then laminated or laminated with a Barex ™ film. The whole constitutes the background complex

Une caractéristique du film rigide est que celui-ci doit former une coque déformable au niveau du réservoir 1, c'est-à-dire qu'il doit pouvoir se déformer sous l'action de la pression exercée par l'utilisateur pour chasser le produit liquide ou pâteux du réservoir 1 vers l'applicateur 3 à travers le chemin de fuite 7. La forme du réservoir 1 doit idéalement permettre une vidange complète du réservoir sous l'action de la pression exercée par l'utilisateur.A characteristic of the rigid film is that it must form a deformable shell at the reservoir 1, that is to say that it must be able to deform under the action of the pressure exerted by the user to drive the liquid or pasty product from the tank 1 to the applicator 3 through the leakage path 7. The shape of the tank 1 should ideally allow a complete emptying of the tank under the action of the pressure exerted by the user.

Avantageusement, le film souple est constitué d'un matériau choisi parmi le polyéthylène téréphtalate (PET), le polyamide, l'Aluminium ou le polyacrylonitrile commercialisé par la société BP Chemicals™ sous le nom de marque Barex™, ou leurs dérivés, pris seuls ou combinés.Advantageously, the flexible film consists of a material chosen from polyethylene terephthalate (PET), polyamide, aluminum or polyacrylonitrile marketed by BP Chemicals ™ under the brand name Barex ™, or derivatives thereof, taken alone. or combined.

L'invention concerne également un procédé de fabrication d'un conditionnement de sécurité, en particulier pour enfants. Ce procédé comprenant une étape de scellage d'une partie rigide thermoformée et d'une partie souple, telles que décrites ci-dessus, comportant un réservoir 1 et un chemin de fuite 7 vers un applicateur 3.The invention also relates to a method of manufacturing a safety packaging, in particular for children. This method comprising a step of sealing a rigid thermoformed portion and a flexible portion, as described above, comprising a reservoir 1 and a leakage path 7 to an applicator 3.

Le réservoir 1 du conditionnement selon l'invention comprend une composition liquide ou pâteuse susceptible d'être expulsée par le chemin de fuite 7 jusqu'à l'applicateur 3 après ouverture de la zone de secabilité, par application par l'utilisateur d'une pression suffisante sur le réservoir 1. La composition liquide ou pâteuse pourra avoir un usage dans de nombreux domaines, notamment alimentaire, cosmétique, pharmaceutique ou vétérinaire. Il pourra donc s'agir d'un aliment (liquide ou pâte alimentaire) destiné à être ingéré par un homme ou un animal par application directement dans la bouche ou encore en mélange dans la nourriture ou l'eau de boisson. Il pourra aussi s'agir de cosmétiques (sous la forme de solutions, de suspensions, de gels ou de pâtes) pour application sur les mains, la peau, le visage ou les cheveux d'un individu. Il pourra s'agir de médicaments à usage humain ou vétérinaire et, dans cette dernière catégorie, des exemples de compositions parfaitement adaptées au conditionnement selon l'invention sont les compositions antiparasitaires pour la prévention ou le traitement des infestations chez les animaux domestiques, en particulier les chiens et les chats, sous forme de solution prête à l'emploi du type spot-on. Il s'agit généralement d'une application localisée sur une zone de surface inférieure à 5 cm2 située entre les épaules en 1 ou 2 points. De telles compositions peuvent comprendre au moins un principe actif choisi avantageusement parmi le fipronil, le pyriproxyfène, l'imidacloprid, la permethrine, le nitenpyram. Dans le cas préféré où la matière active est le Fipronil, la composition peut aussi contenir une autre matière active antiparasitaire élargissant le spectre d'activité du Fipronil comme un acaricide tels que l'amitraz, la permethrine ou encore le cymiazole, un inhibiteur de la croissances des insectes ou IGR vis à vis des puces ou des tiques tels que le pyriproxyfen ou l'ethoxazole, une avermectine ou ses dérivés vis à vis des endoparasites telles que l'ivermectine, l'abamectine, la doramectine, la moxydectine ou la milbémycine. Les compositions se préparent généralement par simple dissolution de la ou des matières actives insecticides dans le système solvant selon des techniques connue de l'homme du métier.The reservoir 1 of the packaging according to the invention comprises a liquid or pasty composition capable of being expelled by the leakage path 7 to the applicator 3 after opening of the securing zone, by application by the user of a sufficient pressure on the tank 1. The liquid or pasty composition may have a use in many areas, including food, cosmetic, pharmaceutical or veterinary. It may therefore be a food (liquid or pasta) intended to be ingested by a man or an animal by application directly into the mouth or mixed in the food or water of drink. It may also be cosmetics (in the form of solutions, suspensions, gels or pasta) for application on the hands, skin, face or hair of an individual. These may be medicaments for human or veterinary use and, in the latter category, examples of compositions perfectly suited to the packaging according to the invention are the antiparasitic compositions for the prevention or the treatment of infestations in domestic animals, in particular dogs and cats, in the form of ready-to-use solution of the spot-on type. It is usually an application located on an area of less than 5 cm2 located between the shoulders in 1 or 2 points. Such compositions may comprise at least one active ingredient advantageously chosen from fipronil, pyriproxyfen, imidacloprid, permethrin and nitenpyram. In the preferred case where the active ingredient is Fipronil, the composition may also contain another pest active ingredient broadening the range of activity of Fipronil as an acaricide such as amitraz, permethrin or cymiazole, an inhibitor of Insect growth or IGR with respect to fleas or ticks such as pyriproxyfen or ethoxazole, avermectin or its derivatives with respect to endoparasites such as ivermectin, abamectin, doramectin, moxydectin or milbemycin . The compositions are generally prepared by simply dissolving the insecticidal active ingredient (s) in the solvent system according to techniques known to those skilled in the art.

Les figures 9, 10 et 11 schématisent le conditionnement en mode d'utilisation. Ainsi, la figure 9 illustre la manière selon laquelle sont positionnés les doigts de l'utilisateur pour déchirer et ouvrir au mieux le conditionnement au niveau de la zone de sécabilité 6.The figures 9 , 10 and 11 schematize the conditioning in use mode. So, the figure 9 illustrates the manner in which the fingers of the user are positioned to tear and open the packaging at the level of the breakability zone 6.

La figure 10 illustre le conditionnement ouvert. Ainsi que cela apparaît sur cette figure, le conditionnement ne laisse pas s'échapper le contenu par simple gravité lorsque l'utilisateur le maintient. Le contenu reste donc dans le réservoir 1. En effet, le système avec chemin de fuite 7 permet de maintenir le conditionnement ou simplement de le poser, sans prendre garde à l'ouverture puisque le système ouvert ne fuit pas. L'expulsion du contenu hors du conditionnement est donc sous le contrôle de l'utilisateur. Le liquide ou la pâte contenue dans le réservoir est expulsé sous pression appliquée par l'utilisateur au niveau du réservoir. Cette pression permet à la pâte ou au liquide d'emprunter le chemin de fuite 7 dont la partie souple se déforme et permet l'échappement du contenu sous l'effet de la pression imposée par l'utilisateur sur le réservoir 1 (figure 11).The figure 10 illustrates open packaging. As it appears in this figure, the packaging does not let the content escape by simple gravity when the user maintains it. The content therefore remains in the tank 1. In fact, the system with escape path 7 allows to maintain the packaging or simply to ask, without taking care to open since the open system does not leak. The expulsion of the content out of the packaging is therefore under the control of the user. The liquid or paste contained in the reservoir is expelled under pressure applied by the user at the reservoir. This pressure allows the paste or the liquid to take the escape route 7 whose flexible part deforms and allows the escape of the contents under the effect of the pressure imposed by the user on the tank 1 ( figure 11 ).

En outre, selon un mode préféré de l'invention, après déchirure ou cassure de la zone de sécabilité, l'oreille de préhension 51 est entièrement désolidarisée du conditionnement. L'accès au site d'emploi ou d'application du liquide ou de la pâte est donc simplifié car cette oreille de préhension 51 ne gêne pas l'accès du conditionnement restant au site d'emploi, comme cela peut être le cas avec d'autres conditionnements de l'art antérieur.In addition, according to a preferred embodiment of the invention, after tearing or breaking of the breakability zone, the gripping lug 51 is completely detached from the packaging. Access to the site of use or application of the liquid or paste is simplified because this gripping ear 51 does not interfere with the access of the remaining packaging to the site of use, as may be the case with other packages of the prior art.

Comme illustré à la figure 11, qui représente une vue de côté du conditionnement lorsque l'utilisateur presse le réservoir 1, le chemin de fuite 7 est emprunté par le contenu seulement lorsque l'utilisateur appuie sur la coque déformable formant réservoir 1.As illustrated in figure 11 , which represents a side view of the packaging when the user presses the tank 1, the escape path 7 is borrowed by the contents only when the user presses the deformable shell forming reservoir 1.

En outre, selon l'invention, après ouverture, lors de l'administration du contenu sur le site d'emploi, par exemple sur la peau, entre les poils d'un animal, ou sur les muqueuses, le conditionnement ouvert doit être atraumatique. Le système avec chemin de fuite 7, ouvert par déchirement ou rupture d'une zone réduite entre les deux oreilles de préhension, ne présente pas d'arête vive au niveau de l'applicateur 3 (figure 5).In addition, according to the invention, after opening, during the administration of the content on the site of use, for example on the skin, between the hairs of an animal, or on the mucous membranes, the open packaging must be atraumatic . The system with leakage path 7, opened by tearing or breaking of a reduced area between the two gripping lugs, has no sharp edge at the applicator 3 (FIG. figure 5 ).

En définitive, le conditionnement selon l'invention est, dans un mode de réalisation préférentiel, un conditionnement plastique thermoformé de dimensions réduites, par exemple inférieures à 10 cm de hauteur, 5 cm de large et 2 cm d'épaisseur, présentant :

  • une zone de préhension comportant au moins une oreille de préhension et une prédécoupe ;
  • un réservoir déformable sous la pression des doigts, destiné à contenir un liquide plus ou moins visqueux ; et
  • un chemin de fuite dudit liquide s'étendant au moins dudit réservoir, à ladite prédécoupe,
et tel que, lorsque ledit conditionnement est ouvert, à l'endroit de la prédécoupe, le liquide contenu dans le réservoir est apte à emprunter ledit chemin de fuite pour être expulsé suite à une déformation dudit réservoir sous l'action d'une pression des doigts de l'utilisateur. Les dimensions du chemin de fuite, en particulier, son diamètre, sont calculées de manière que le liquide ne puisse pas être expulsé sans déformation du réservoir sous l'action d'une pression.Finally, the packaging according to the invention is, in a preferred embodiment, a thermoformed plastic packaging of reduced dimensions, for example less than 10 cm high, 5 cm wide and 2 cm thick, having:
  • a gripping zone comprising at least one gripping lug and a pre-cut;
  • a deformable reservoir under the pressure of the fingers, intended to contain a more or less viscous liquid; and
  • a leakage path of said liquid extending at least from said reservoir, to said precut,
and such that, when said packaging is open, at the place of the precut, the liquid contained in the reservoir is able to take said leakage path to be expelled following deformation of said reservoir under the action of a pressure of fingers of the user. The dimensions of the leakage path, in particular its diameter, are calculated so that the liquid can not be expelled without deformation of the reservoir under the action of pressure.

Bien entendu, l'invention ne se limite pas aux modes de réalisation décrits et représentés dans les figures jointes et l'homme du métier pourra être amené, grâce à des opérations de routine, à réaliser d'autres modes de réalisation non décrits explicitement, sans sortir du cadre et de la portée de la présente invention, telle que définie par les revendications.Of course, the invention is not limited to the embodiments described and shown in the accompanying figures and the person skilled in the art may be led, by routine operations, to make other embodiments not explicitly described, without departing from the scope and scope of the present invention as defined by the claims.

Exemple 1 :Example 1

Une pipette pour utilisation vétérinaire est formée selon le schéma de la figure 1. Le complexe de fond est réalisé en Polybar™ qui est constitué d'un film de cyclo-oléfine copolymère (COC) co-extrudé entre deux couches de polypropylène (PP), contrecollé avec un film en Barex™. Le complexe d'operculage est constitué d'un complexe en PET/Aluminium/Barex™. L'assemblage du conditionnement est obtenu par thermo-soudure du complexe de fond avec le complexe d'operculage. Un trait de sécabilité est réalisé par une lame au niveau de la zone de sécabilité 6. Le contenu est constitué par une solution de formule ci-dessous : Composants Quantité Fipronil 10,0 g Alcool benzylique 30,0 g Butylhydroxyanisole 0,02 g Butylhydroxytoluène 0,01 g Monoéthyléther du diethylène glycol qsp 100 ml A pipette for veterinary use is formed according to the scheme of the figure 1 . The bottom complex is made of Polybar ™ which consists of a copolymer cycloolefin copolymer (COC) film coextruded between two layers of polypropylene (PP), laminated with a Barex ™ film. The lidding complex consists of a PET / Aluminum / Barex ™ complex. The assembly of the packaging is obtained by thermo-welding of the bottom complex with the lidding complex. A break line is formed by a blade at the breakpoint zone 6. The content consists of a solution of formula below: components Quantity fipronil 10.0 g Benzyl alcohol 30.0 g butylhydroxyanisole 0.02 g butylhydroxytoluene 0.01 g Diethylene glycol monoethyl ether qs 100 ml

Le volume nominal de chaque pipette est de 0.5 ml, 0.67 ml, 1.34 ml, 2.68 ml et 4.02 ml. Chaque pipette a la même forme de découpe, seule la profondeur du réservoir étant adaptée à la capacité...The nominal volume of each pipette is 0.5 ml, 0.67 ml, 1.34 ml, 2.68 ml and 4.02 ml. Each pipette has the same shape of cut, only the depth of the tank being adapted to the capacity of ...

L'ouverture des pipettes s'effectue en tenant la pipette face « complexe de fond » (réservoir saillant) vers l'utilisateur. L'oreille 52 est fermement tenue alors que l'oreille 51 est complètement poussée jusqu'à la rupture du complexe de fond. On observe alors qu'une pression appliquée sur le réservoir ne permet pas encore d'expulser le produit contenu. Il est nécessaire de rabattre complètement l'oreille 51 vers l'utilisateur pour qu'elle se détache et libère ainsi l'applicateur 3. Alors le produit peut être expulsé par application d'une pression sur le réservoir 1. On observe aussi que le liquide s'écoule sous la forme d'un jet continu et puissant qui présente l'intérêt de permettre d'atteindre des zones profondes, jusqu'à la peau, dans la fourrure d'un animal lors d'une application par voie topique.The pipettes are opened by holding the "bottom complex" pipette (salient reservoir) towards the user. The ear 52 is firmly held while the ear 51 is fully pushed to breaking the bottom complex. It is then observed that a pressure applied to the reservoir does not yet allow to expel the contained product. It is necessary to completely fold the ear 51 towards the user so that it breaks off and thus releases the applicator 3. Then the product can be expelled by applying a pressure on the reservoir 1. It is also observed that the liquid flows in the form of a continuous jet and powerful that has the advantage of allowing to reach deep areas, to the skin, in the fur of an animal during topical application.

En termes de stabilité, chaque pipette assure à température ambiante une très bonne stabilité au principe actif contenu dans la formule, conformément à la réglementation pharmaceutique.In terms of stability, each pipette ensures at room temperature very good stability to the active ingredient contained in the formula, in accordance with pharmaceutical regulations.

Conclusion : on observe que tant que l'applicateur n'est pas totalement libéré, le produit ne peut être déchargé. Ceci contribue à la grande sécurité d'emploi de ce conditionnement. Par ailleurs, la pression d'expulsion du jet de liquide présente l'intérêt de permettre d'atteindre les zones à traiter sans qu'un contact soit nécessaire entre ladite zone à traiter et l'applicateur.Conclusion: it is observed that as the applicator is not completely released, the product can not be unloaded. This contributes to the great safety of use of this packaging. Moreover, the expulsion pressure of the jet of liquid has the advantage of allowing to reach the areas to be treated without the need for contact between said area to be treated and the applicator.

Essais : Tests :

Des essais ont été réalisés pour mettre en évidence les avantages d'une pipette selon l'invention vis à vis de pipettes de l'art antérieur qui comportent une canule thermoformée au niveau de l'applicateur.Attempts have been made to demonstrate the advantages of a pipette according to the invention with respect to pipettes of the prior art which comprise a thermoformed cannula at the level of the applicator.

Essai 1 : Trial 1 :

Ces essais ont d'abord porté sur le comportement des pipettes pendant ou après ouverture dans certaines situations qui peuvent se produire durant l'utilisation. Nombre de pipettes testées : 5 de chaque modèle. Pipette selon l'invention Masse répartie 1 g Pipette avec canule thermoformée Masse répartie 0,6 g Chute de la hauteur d'une table (75 cm) Perte de produit de l'ordre de 0,01 g en moyenne soit 1% du produit réparti Perte de produit de l'ordre de 0,07 g en moyenne soit 11,6% du produit réparti Ouverture tête en bas puis secouement (trois mouvements latéraux effectués en 3 sec.) Pas de fuite, aucune goutte Apparition d'une goutte à l'ouverture puis plusieurs gouttes s'échappent de la pipette lors du secouement Présence de produit sur les doigts à l'ouverture Non Eclaboussures possibles lors de l'ouverture, observées en particulier lorsque du produit liquide est présent dans la canule Chute de la hauteur d'une table (75 cm) Perte de produit de l'ordre de 0,03 g en moyenne soit 0,75% du produit réparti Perte de produit de l'ordre de 0,2 g en moyenne soit 4,76% du produit réparti Ouverture tête en bas puis secouement (trois mouvements latéraux effectués en 3sec.) Aucune goutte Apparition d'une goutte à l'ouverture puis plusieurs gouttes s'échappent de la pipette lors du secouement Présence de produit sur les doigts à l'ouverture Non Eclaboussures fréquentes lors de l'ouverture These tests first focused on the behavior of the pipettes during or after opening in certain situations that may occur during use. Number of pipettes tested: 5 of each model. Pipette according to the invention Distributed mass 1 g Pipette with thermoformed canula Dispensed mass 0.6 g Falling height of a table (75 cm) Loss of product of the order of 0.01 g on average, ie 1% of the product distributed Loss of product of the order of 0.07 g on average or 11.6% of the product distributed Opening upside down and shaking (three lateral movements in 3 sec.) No leak, no drop Appearance of a drop at the opening and several drops escape from the pipette during shaking Presence of product on the fingers at the opening No Splashes possible during opening, observed especially when liquid product is present in the cannula Falling height of a table (75 cm) Loss of product of the order of 0.03 g on average or 0.75% of the product distributed Loss of product on the order of 0.2 g on average, ie 4.76% of the product distributed Opening upside down and then shaking (three lateral movements done in 3sec.) No drop Appearance of a drop at the opening and several drops escape from the pipette during shaking Presence of product on the fingers at the opening No Frequent splashing during opening

En conclusion, la pipette selon l'invention évite les fuites de produit lors de l'ouverture et lorsqu'elle est ouverte (en cas de chute de la pipette ou de mauvaise manipulation).In conclusion, the pipette according to the invention avoids product leakage during opening and when is open (if the pipette is dropped or mishandled).

Essai 2Trial 2

Durant ces essais, réalisés sur un échantillon de 10 utilisateurs d'un âge compris entre 25 et 59 ans, le pourcentage de restitution du produit avec une pression sur le réservoir a été étudié. Par ailleurs, chaque utilisateur a commenté qualitativement la pipette et son utilisation. Pipettes selon l'invention Masse répartie (g) Masse extractible (g) Pourcentage restitution (%) P1 1 0,951 95,1 P2 1 0,913 91,3 P3 1 0,923 92,3 P4 1 0,945 94,5 P5 1 0,937 93,7 P6 1 0,950 95 P7 1 0,950 95 P8 1 0,922 92,2 P9 1 0,933 93,3 P10 1 0,949 94,9 During these tests, carried out on a sample of 10 users of an age between 25 and 59 years, the percentage of restitution of the product with a pressure on the tank was studied. In addition, each user commented qualitatively on the pipette and its use. Pipettes according to the invention Distributed mass (g) Extractable mass (g) Percentage refund (%) P1 1 0.951 95.1 P2 1 0.913 91.3 P3 1 0.923 92.3 P4 1 0,945 94.5 P5 1 0.937 93.7 P6 1 0,950 95 P7 1 0,950 95 P8 1 0.922 92.2 P9 1 0.933 93.3 P10 1 0.949 94.9

Ces résultats montrent une très bonne délivrance du produit avec une pression sur le réservoir avec des taux de restitution allant de 91,3 à 95%.These results show a very good delivery of the product with a pressure on the reservoir with restitution rates ranging from 91.3 to 95%.

Conclusions des essais :Conclusions of the tests:

La délivrance du produit contenu dans les pipettes selon l'invention se fait sous le contrôle exclusif de l'utilisateur. La pipette selon l'invention assure un niveau de sécurité très satisfaisant perçu par les utilisateurs, à la fois pour l'utilisateur et aussi pour l'environnement. Des tests complémentaires réalisés chez des enfants âgés de moins de 5 ans ont confirmés la très bonne sécurité des pipettes selon l'invention en terme de prévention de leur ouverture par les enfants. Par ailleurs, les mêmes pipettes selon l'invention présentées à des personnes âgées ont été facilement ouvertes et utilisées.The delivery of the product contained in the pipettes according to the invention is under the exclusive control of the user. The pipette according to the invention provides a very satisfactory level of safety perceived by the users, both for the user and for the environment. Additional tests carried out in children under 5 years have confirmed the very good safety pipettes according to the invention in terms of prevention of their opening by children. Moreover, the same pipettes according to the invention presented to elderly people have been easily opened and used.

Claims (15)

  1. Thermoformed packaging intended to deliver a liquid or pasty substance, said packaging comprising:
    a rigid shell, which is deformed under the action of a pressure exerted by a user, said shell forming a reservoir (1), said reservoir containing said liquid or pasty substance;
    a breakage area (6) that can be torn, broken or cut, intended to release an applicator (3) for ejecting the liquid or pasty substance from said packaging; and
    a gripping area (5) comprising an escape path (7) for said liquid or pasty substance,
    said packaging being non-resealable, characterised in that the escape path (7) is formed from a narrow contact area that is not sealed between a bottom complex (9) of a first thermoformable rigid film and a sealing complex (10) of a second flexible film, said first and second films forming two different materials, said contact area being delimited by a sealed area (4) of said first and second complexes, in such a way that:
    said escape path (7) is naturally closed in the absence of a pressure exerted by the user in such a way as to block the exiting of said liquid or pasty substance after opening of the packaging,
    the deformation of the reservoir under the action of the pressure exerted by the user flushes the liquid or pasty substance towards the applicator (3) through the escape path (7); and
    said escape path (7) is opened by deformation of the flexible portion of the escape path (7) allowing for the escaping of said liquid or pasty substance.
  2. Packaging according to claim 1, characterised in that, for the opening of said packaging, before the use thereof by separation of the breakable area, the user exerts a compression on the escape path formed from the non-sealed contact area and narrow contact area between said bottom complex (9) and said sealing complex (10) preventing the exiting of the liquid or pasty substance.
  3. Packaging according to one of claims 1 or 2, characterised in that its nominal volume is between 0.50 and 4.02 ml.
  4. Packaging according to one of claims 1, 2 or 3, characterised in that the applicator (3) does not have any sharp edges.
  5. Packaging according to one of the preceding claims, characterised in that the breakage area (6) is reinforced with a detachable label (8).
  6. Packaging according to one of the preceding claims, characterised in that the breakage area (6) is weakened by a straight or convex breaking line.
  7. Packaging according to one of the preceding claims, characterised in that the gripping area (5) comprises at least two gripping tabs (51, 52) separated by the breakage area (6).
  8. Packaging according to one of the preceding claims, characterised in that reinforcements (12) are arranged on either side and in the vicinity of the escape path (7).
  9. Packaging according to one of the preceding claims, characterised in that the reservoir (1) comprises as liquid or pasty substance, a composition comprising at least one active ingredient chosen from fipronil, pyriproxyfen, imidacloprid, permethrin, nitenpyram, taken alone or in a mixture.
  10. Use of a packaging according to one of the preceding claims, for a pharmaceutical or veterinary application.
  11. Use of a packaging according to one of claims 1 to 8, for a food or cosmetic application.
  12. Use of a non-resealable packaging according to one of claims 1 to 9, characterised in that, for the opening of the packaging, a user:
    - prevents the exiting of the liquid or pasty substance by exerting a compression on the escape path formed by the non-sealed contact area and narrow contact area between said bottom complex (9) and said sealing complex (10); and
    - breaks, tears or cuts the breakage area (6) in order to release an applicator (3);
    and in that, after opening of the packaging, the escape path (7) is naturally closed in the absence of pressure exerted by the user; and opens via deformation of the flexible portion of the escape path (7) allowing for the escaping of said liquid or pasty substance under the effect of the pressure imposed by the user on the reservoir (1) flushing the liquid or pasty substance towards the applicator (3) through the escape path (7).
  13. Method for manufacturing a non-resealable thermoformed packaging according to one of claims 1 to 10, comprising:
    - a step of sealing a thermoformed rigid portion and a flexible portion in order to form a reservoir (1), a gripping area (5) comprising an escape path (7) of said liquid or pasty substance and an applicator (3) by gluing, by heat sealing, by diamond tip welding or by flat welding of a bottom complex (9) with a sealing complex (10),
    and a step of cutting in order to obtain the final form; characterised in that the escape path (7) is formed by a narrow contact area that is not sealed, between the bottom complex (9) with the sealing complex (10) and is naturally closed in the absence of a pressure exerted by the user on the reservoir in such a way as to block the exiting of said liquid or pasty substance after opening of the packaging.
  14. Method according to claim 13, characterised in that the step of sealing of a thermoformed rigid portion and of a flexible portion is carried out by heat sealing between said thermoformed bottom complex (9) on the reservoir (1) and said sealing complex (10).
  15. Method for manufacturing according to one of claims 13 or 14, characterised in that said thermoformed bottom complex (9) is formed by a rigid film comprised of a material chosen from polypropylene (PP), polyvinyl chloride (PVC), polyvinylidene chloride, cycloolefin copolymer (COC), polychlortrifluoroethylene (PCTFE), or the derivatives thereof, taken alone or in a mixture; and in that the sealing complex (10) is a flexible film comprised of a material chosen from polyethylene terephthalate (PET), polyamide, aluminium or polyacrylonitrile, or the derivatives thereof, taken alone or in a mixture.
EP10727010.0A 2009-05-20 2010-05-20 Non-reclosable thermoformed package for liquid or paste products Active EP2432701B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0902478A FR2945797B1 (en) 2009-05-20 2009-05-20 FOOD, PHARMACEUTICAL OR VETERINARY SAFETY PACKAGING AND METHOD OF MANUFACTURING THE SAME
PCT/FR2010/000384 WO2010133778A1 (en) 2009-05-20 2010-05-20 Non-resealable thermoformed packaging for liquid or pasty substances

Publications (2)

Publication Number Publication Date
EP2432701A1 EP2432701A1 (en) 2012-03-28
EP2432701B1 true EP2432701B1 (en) 2018-10-10

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US (2) US9260231B2 (en)
EP (1) EP2432701B1 (en)
JP (3) JP2012527380A (en)
AU (1) AU2010250997B2 (en)
BR (1) BRPI1010958B1 (en)
FR (1) FR2945797B1 (en)
WO (1) WO2010133778A1 (en)

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JP2017036092A (en) 2017-02-16
AU2010250997A1 (en) 2011-12-15
BRPI1010958B1 (en) 2019-08-27
EP2432701A1 (en) 2012-03-28
BRPI1010958A2 (en) 2018-03-06
JP2015083500A (en) 2015-04-30
WO2010133778A1 (en) 2010-11-25
FR2945797A1 (en) 2010-11-26
US20120118920A1 (en) 2012-05-17
AU2010250997B2 (en) 2016-03-03
US20160122103A1 (en) 2016-05-05
US9260231B2 (en) 2016-02-16
FR2945797B1 (en) 2015-11-06
JP2012527380A (en) 2012-11-08

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