EP1421314A1 - Chemiluminescent illuminating element - Google Patents

Chemiluminescent illuminating element

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Publication number
EP1421314A1
EP1421314A1 EP01914848A EP01914848A EP1421314A1 EP 1421314 A1 EP1421314 A1 EP 1421314A1 EP 01914848 A EP01914848 A EP 01914848A EP 01914848 A EP01914848 A EP 01914848A EP 1421314 A1 EP1421314 A1 EP 1421314A1
Authority
EP
European Patent Office
Prior art keywords
pouch
element according
polymer
sealed
aluminum
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.)
Granted
Application number
EP01914848A
Other languages
German (de)
French (fr)
Other versions
EP1421314B1 (en
Inventor
Jacques Ladyjensky
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.)
Omniglow Corp
Original Assignee
Omniglow Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Omniglow Corp filed Critical Omniglow Corp
Publication of EP1421314A1 publication Critical patent/EP1421314A1/en
Application granted granted Critical
Publication of EP1421314B1 publication Critical patent/EP1421314B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
    • F21K2/00—Non-electric light sources using luminescence; Light sources using electrochemiluminescence
    • F21K2/06—Non-electric light sources using luminescence; Light sources using electrochemiluminescence using chemiluminescence

Definitions

  • the devices proposed comprise two chambers respectively containing the first liquid, called the oxalate solution and the second liquid, called the activating solution.
  • These chambers being separated by a wall which can either be broken by the user or include a removable part.
  • This wall must also constitute an excellent gas barrier because the oxalate solution is very sensitive to any contamination coming from the outside, or from the activator. Therefore, in practice, apart from a few economically costly exceptions, the oxalate solution is enclosed in a shatterable glass ampoule. Unfortunately it is not possible to continuously manufacture, from rolls of material, elements comprising glass bulbs. In addition, they are expensive.
  • the present invention relates to an element capable of such continuous production, therefore very economical, and all the more so since the constituent materials are very inexpensive.
  • the element also has the advantage of being flat, that of being particularly light, and has other auxiliary advantages which will appear in the description below.
  • the invention provides a chemiluminescent lighting element comprising at least two chambers respectively filled with an oxalate solution and an activating solution.
  • the oxalate solution is in a sealed pouch made of thin aluminum film lined, on the inside, with a polymer, said pouch, forming a first chamber.
  • this pouch is itself enclosed in a larger waterproof pouch made of translucent polymer film, forming a second chamber, which also contains the liquid activator.
  • the element according to the invention therefore essentially consists of an aluminum film pouch containing the oxalate solution, arranged inside a translucent plastic film pouch also containing the activating solution.
  • an absorbent felt and a steel ball, or other grain of hard material the role of which is to open the aluminum pouch at the time of use, under the effect of the manipulation of one user.
  • FIG. 1 shows a plan view of a device according to the invention
  • FIG. 1 - fig. 2 is a sectional view of the device of FIG. 1 - fig. 3 is a plan view of another embodiment and
  • the inner pocket 1 consists of two aluminum films 2 and 3 sealed together along a rectangular periphery 4 in FIGS. 1 and 2 and circular in figs. 3 and 4. It contains the liquid oxalate solution, the level of which is shown in 5.
  • the outer pouch 6 consists of two films 7 and 8 made of flexible translucent polymer, preferably polyolefin, eg polyethylene or polypropylene, sealed together according to a periphery 9, rectangular in figs. 1 and 2 and circular in figs. 3 and 4. It contains the activating liquid, the level of which is shown in 10.
  • the device optionally includes a ball 11 of steel or a grain of hard material on which the user will press to perforate the aluminum pouch and thus cause mixing.
  • a ball 11 of steel or a grain of hard material on which the user will press to perforate the aluminum pouch and thus cause mixing.
  • Each of the two aluminum films is lined, by coating, lamination or any other technique, with a layer of polymeric varnish on that of their surfaces which is intended to come face to face with each other.
  • This layer of varnish preferably based on a modified or unmodified polypropylene is intended to ensure the adhesion of the two films to one another during the sealing of their periphery by thermal action. This layer is not shown in the figure for reasons of clarity.
  • This polymeric layer in addition to adhesion, also plays the role of ensuring good compatibility between the aluminum material and the oxalate solution, which is very delicate and sensitive to contamination, and is only compatible with very few materials.
  • This layer is very thin so as not to reinforce the mechanical resistance of the aluminum film, intended to break.
  • the device also optionally includes a felt 12 (succession of small crosses in the figures) of non-woven material, the fibers of which are preferably made of the same polymer as the films of the outer pouch. It will be trapped during the peripheral thermal sealing between the two films. When the element is stored before use, this felt will have time to absorb all of the activating liquid and distribute it evenly throughout the pouch. This will result in a beautiful uniformity of light, after the release of the oxalate liquid, since the two liquids are eager to diffuse into each other within a short time.
  • the level of activating liquid, shown at 10 in fig. 2 is the one we have at the time of filling, afterwards it is absorbed in the felt as said above.
  • the aluminum pouch remains in place and acts as a reflector; in fact, all the light emission is on the same side of the aluminum pocket, namely the one that has been gutted. There is almost no liquid the other side of the aluminum pocket. This intense directional emission is unquestionably an advantage compared to the prior art in the matter.
  • the machine can be vertical, as suggested in figs. 1 and 2, or horizontal, as suggested in figs. 3 and 4. Stamping is easier in a horizontal machine, and can be limited to the lower film.
  • the aluminum films were coated or laminated with the polymeric varnish mentioned above, during a prior operation, which was also carried out continuously by known means.
  • a second machine also of the "fill and seal” type, receives sequentially and synchronously with the previous one, the aluminum pouches already filled and sealed, and seals together the two flexible plastic films and the felt, if provided. , all three unfolding continuously from their storage rollers. Before sealing, a dose of activating liquid is introduced, as well as the ball. It is important to note that in this second machine, which manufactures the outer pockets (and this, in contrast to what happens in the first machine with the aluminum films), the two flexible plastic films, unrolled in order to the operation, remain planes, ie neither "stamped", nor “formed” until the moment of the final sealing. They adopt a slightly inflated structure because at the time of sealing they enclose between them the aluminum pouch.
  • This swelling is a purely elastic deformation with tension, due to the natural elasticity of the films, and by nature reversible. It follows that the walls of the outer pocket exert on the inner pocket and its contents, a uniform elastic pressure whose action is very favorable at the time of 1 eventuality by the user. The oxalate liquid is then ejected with force, which promotes the desired mixture.
  • the finished pockets then come out at the bottom of the machine according to a chain or sausage, and can be delivered as is to the user if the latter is interested in light lines, novelty likely to meet the desires of the forces of order or the military for example.
  • Example 1 In this example, a vertical machine, of the "fill and seal" type, modified, is used. Reynolds brand aluminum film is used, 35 mm wide tape and 300 m rolls. The thickness is 28 micrometers for the side intended to be gutted and 38 micrometers for the other.
  • said film Before being cut into 35 mm rolls, said film was coated over its full width, ie 600 mm, with a dispersion of polypropylene and treated in a tunnel oven.
  • the residual thickness deposited after curing is 6 micrometers.
  • the oxalate solution consists of a solvent dibutylphthalate in which, per liter, are dissolved 120 g of CPO oxalate and 1.5 g of dye DPEA. These components are well known in the prior art in terms of chemiluminescent elements.
  • the ball is a third choice bearing ball with a diameter of 4.5 mm.
  • the films of the outer pouch are made of polypropylene-polyethylene copolymer without slip agent in the formulation, 0.25 m in rolls of width 40 mm, length 300 m. They come in a 45 mm wide, 0.25 mm thick ribbon, in 300 meter rolls.
  • Doses of 1 oxalate and activator are respectively 1.7 and 0.7 ml.
  • the seals are made using jaws or anvils having the shape of a rectangle with rounded corners, with an effective sealing width of 2 mm.
  • the thermal energy of the seals is provided either by electrical resistances or via an ultrasonic generator.
  • the felt is a "spunbond" nonwoven of polypropylene and polyethylene fibers, 120 g per square meter.
  • the finished pieces separated by a timed automatic knife, measure 45 x 70 mm and weigh 4 g.
  • the procedure is as in Example 1 but using a horizontal type machine.
  • the stamping of the lower aluminum film is carried out by lowering a punch before any sealing; then the liquid is deposited using a removable needle, then the sealing between the two aluminum films is carried out at once over the entire periphery.
  • the aluminum ribbons feeding the machine have a width of 41 mm and those made of flexible plastic a width of 65 mm.
  • the amounts of oxalate solution and activating solution are 2.2 and 1 ml respectively.
  • the finished parts have a diameter of 59 mm and weigh 5 g.

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
  • Electroluminescent Light Sources (AREA)
  • Wrappers (AREA)
  • Laminated Bodies (AREA)
  • Bag Frames (AREA)
  • Packages (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Luminescent Compositions (AREA)
  • Lock And Its Accessories (AREA)

Abstract

The invention concerns a chemiluminescent illuminating element comprising two containers filled respectively with an oxalate solution (5) and an activating solution. The oxalate solution is in a sealed pouch (1) made of a thin film (2,3) of aluminium foil, on the inside, and a polymer, for instance polyolefin, thereby forming the first container. The latter is enclosed in a larger sealed pouch (6) made of translucent polymeric film (7,8), forming the second container, which also contains the liquid activator (10). The outer pouch consists of two polymeric films (7,8) sealed together at their periphery and contains a ball (11) capable of tearing open the inner pouch (1) by the user's manual action.

Description

_ ]_ _ _] _ _
Elément d'éclairage chimiluminescentChemiluminescent lighting element
Les dispositifs capables d'émettre de la lumière par le fait du mélange de deux liquides chimiques entre eux sont bien connus. On peut citer notamment les brevets des Etats- Unis 3539794, 3576987, 4193109, 4682544, 4751616, 4814949 et 5121302.Devices capable of emitting light by mixing two chemical liquids together are well known. Mention may in particular be made of the patents of the United States 3539794, 3576987, 4193109, 4682544, 4751616, 4814949 and 5121302.
D'une manière générale les dispositifs proposés comportent deux chambres contenant respectivement le premier liquide, dit solution oxalate et le second liquide, appelé solution activatrice. Ces chambres étant séparées par une paroi qui peut soit être brisée par l'utilisateur soit comporter une partie amovible. Cette paroi doit aussi constituer une excellente barrière aux gaz car la solution oxalate est très sensible à toute contamination venant de l'extérieur, ou de 1 ' activateur . De ce fait, en pratique, à part quelques exceptions économiquement coûteuses, la solution oxalate est enfermée dans une ampoule de verre brisable. Malheureusement il n'est pas possible de fabriquer en continu, au départ de rouleaux de matière, des éléments comportant des ampoules en verre. En outre, elles sont chères .In general, the devices proposed comprise two chambers respectively containing the first liquid, called the oxalate solution and the second liquid, called the activating solution. These chambers being separated by a wall which can either be broken by the user or include a removable part. This wall must also constitute an excellent gas barrier because the oxalate solution is very sensitive to any contamination coming from the outside, or from the activator. Therefore, in practice, apart from a few economically costly exceptions, the oxalate solution is enclosed in a shatterable glass ampoule. Unfortunately it is not possible to continuously manufacture, from rolls of material, elements comprising glass bulbs. In addition, they are expensive.
La présente invention concerne un élément susceptible d'une telle production en continu, donc très économique, et ce d'autant plus que les matériaux constitutifs en sont très bon marché. L'élément présente en outre l'avantage d'être plat, celui d'être particulièrement léger, et présente d'autres avantages auxiliaires qui vont apparaître dans l'exposé ci-dessous.The present invention relates to an element capable of such continuous production, therefore very economical, and all the more so since the constituent materials are very inexpensive. The element also has the advantage of being flat, that of being particularly light, and has other auxiliary advantages which will appear in the description below.
CONFIRMATION COW Plus particulièrement, l'invention propose un élément d'éclairage chimiluminescent comportant au moins deux chambres remplies respectivement d'une solution d' oxalate et d'une solution activatrice. La solution oxalate se trouve dans une pochette étanche en film mince d'aluminium doublé, côté intérieur, d'un polymère, ladite pochette, formant une première chambre. cette pochette est elle-même enfermée dans une pochette étanche plus grande en film polymérique translucide, formant une deuxième chambre, qui contient également l'activateur liquide.COW CONFIRMATION More particularly, the invention provides a chemiluminescent lighting element comprising at least two chambers respectively filled with an oxalate solution and an activating solution. The oxalate solution is in a sealed pouch made of thin aluminum film lined, on the inside, with a polymer, said pouch, forming a first chamber. this pouch is itself enclosed in a larger waterproof pouch made of translucent polymer film, forming a second chamber, which also contains the liquid activator.
L'élément selon l'invention est donc essentiellement constitué d'une pochette en film d'aluminium contenant la solution oxalate, disposée à l'intérieur d'une pochette en film plastique translucide contenant aussi la solution activatrice. Optionnellement , un feutre absorbant et une bille d'acier, ou autre grain de matière dure, dont le rôle est d'éventrer la pochette en aluminium au moment de l'utilisation, sous l'effet de la manipulation de 1 ' utilisateur .The element according to the invention therefore essentially consists of an aluminum film pouch containing the oxalate solution, arranged inside a translucent plastic film pouch also containing the activating solution. Optionally, an absorbent felt and a steel ball, or other grain of hard material, the role of which is to open the aluminum pouch at the time of use, under the effect of the manipulation of one user.
L'invention sera mieux comprise à l'examen des dessins joints en annexe à titre d'exemple uniquement.The invention will be better understood on examining the attached drawings by way of example only.
Dans ces dessins :In these drawings:
- la fig. 1 représente une vue en plan d'un dispositif selon 1 ' invention- fig. 1 shows a plan view of a device according to the invention
- la fig. 2 est une vue en coupe du dispositif de la fig. 1 - la fig. 3 est une vue en plan d'une autre exécution et- fig. 2 is a sectional view of the device of FIG. 1 - fig. 3 is a plan view of another embodiment and
- la fig. 4 en est une vue en coupe correspondante. La pochette intérieure 1 est constituée des deux films d'aluminium 2 et 3 scellés ensemble selon une périphérie 4 rectangulaire dans les figs. 1 et 2 et circulaire dans les figs. 3 et 4. Elle contient la solution d' oxalate liquide dont le niveau est figuré en 5. La pochette extérieure 6 est constituée de deux films 7 et 8 en polymère souple translucide, de préférence polyoléfine, p.e. polyéthylène ou polypropylène, scellés ensemble selon une périphérie 9, rectangulaire dans les figs. 1 et 2 et circulaire dans les figs. 3 et 4. Elle contient le liquide activateur dont le niveau est représenté en 10.- fig. 4 is a corresponding sectional view. The inner pocket 1 consists of two aluminum films 2 and 3 sealed together along a rectangular periphery 4 in FIGS. 1 and 2 and circular in figs. 3 and 4. It contains the liquid oxalate solution, the level of which is shown in 5. The outer pouch 6 consists of two films 7 and 8 made of flexible translucent polymer, preferably polyolefin, eg polyethylene or polypropylene, sealed together according to a periphery 9, rectangular in figs. 1 and 2 and circular in figs. 3 and 4. It contains the activating liquid, the level of which is shown in 10.
Le dispositif comporte optionnellement une bille 11 en acier ou un grain de matière dure sur lequel l'utilisateur appuiera pour perforer la pochette en aluminium et ainsi provoquer le mélange. On peut aussi concevoir de se passer de cette bille ou grain et faire éclater la pochette par pression. Dans ce cas il est bon de prévoir une zone de résistance affaiblie, par exemple une ligne de soudure. Chacun des deux films aluminium est doublé, par enduction, lamination ou toute autre technique, d'une couche de vernis polymérique sur celle de leurs surfaces qui est destinée à venir face à l'autre. Cette couche de vernis préférence basée sur un polypropylène modifié ou non est destinée à assurer l'adhésion des deux films l'un à l'autre en cours du scellage de leur périphérie par action thermique. Cette couche n'est pas représentée sur la figure pour raisons de clarté .The device optionally includes a ball 11 of steel or a grain of hard material on which the user will press to perforate the aluminum pouch and thus cause mixing. One can also conceive of doing without this ball or grain and burst the cover by pressure. In this case it is good to provide a weakened resistance zone, for example a weld line. Each of the two aluminum films is lined, by coating, lamination or any other technique, with a layer of polymeric varnish on that of their surfaces which is intended to come face to face with each other. This layer of varnish preferably based on a modified or unmodified polypropylene is intended to ensure the adhesion of the two films to one another during the sealing of their periphery by thermal action. This layer is not shown in the figure for reasons of clarity.
Cette couche polymérique, outre l'adhésion, joue aussi le rôle d'assurer une bonne compatibilité entre la matière aluminium et la solution oxalate, qui est fort délicate et sensible aux contaminations, et n'est compatible qu'avec très peu de matériaux. Cette couche est très mince de manière à ne pas renforcer la résistance mécanique du film d'aluminium, destiné à se briser.This polymeric layer, in addition to adhesion, also plays the role of ensuring good compatibility between the aluminum material and the oxalate solution, which is very delicate and sensitive to contamination, and is only compatible with very few materials. This layer is very thin so as not to reinforce the mechanical resistance of the aluminum film, intended to break.
Outre cette couche, il est possible de prévoir aussi la présence d'un mince film souple en polypropylène entre les deux films d'aluminium. Il sera emprisonné entre eux lors du scellage et contribuera à renforcer la solidité de celui-ci. Il n'est pas, par clarté, représenté sur les figures. Il va de soi que la solution oxalate se trouvera entre ce film souple et un film aluminium et que c'est ce dernier qui sera éventré .In addition to this layer, it is also possible to provide for the presence of a thin flexible polypropylene film between the two aluminum films. It will be trapped between them during the sealing and will contribute to reinforce the solidity of this one. It is not, for clarity, shown in the figures. It goes without saying that the oxalate solution will be between this flexible film and an aluminum film and that it is the latter which will be disemboweled.
Le dispositif comporte aussi, optionnellement , un feutre 12 (succession de petites croix sur les figures) en matière non tissée dont les fibres sont, de préférence, constituées du même polymère que les films de la pochette extérieure. Il sera emprisonné lors du scellage thermique périphérique entre les deux films. Lors du stockage de l'élément avant son utilisation, ce feutre aura le temps d'absorber tout le liquide activateur et de le répartir uniformément dans toute la pochette. Il en résultera une belle uniformité de lumière, après la libération du liquide oxalate, car les deux liquides sont avides de diffuser l'un dans l'autre dans un court délai. Le niveau de liquide activateur, figuré en 10 dans la fig. 2 est celui qu'on a au moment du remplissage, par la suite il se voit absorbé dans le feutre comme dit ci-dessus.The device also optionally includes a felt 12 (succession of small crosses in the figures) of non-woven material, the fibers of which are preferably made of the same polymer as the films of the outer pouch. It will be trapped during the peripheral thermal sealing between the two films. When the element is stored before use, this felt will have time to absorb all of the activating liquid and distribute it evenly throughout the pouch. This will result in a beautiful uniformity of light, after the release of the oxalate liquid, since the two liquids are eager to diffuse into each other within a short time. The level of activating liquid, shown at 10 in fig. 2 is the one we have at the time of filling, afterwards it is absorbed in the felt as said above.
Une fois vidée, ou à peu près vidée, de son contenu, la pochette en aluminium reste en place et joue le rôle de réflecteur; en effet, toute l'émission lumineuse se trouve du même côté de la pochette aluminium à savoir celui qu'on a éventré. Il n'y a presque pas de liquide de l'autre côté de la pochette aluminium. Cette émission directionnelle intense est incontestablement un avantage par rapport à l'art antérieur en la matière.Once emptied, or almost emptied of its contents, the aluminum pouch remains in place and acts as a reflector; in fact, all the light emission is on the same side of the aluminum pocket, namely the one that has been gutted. There is almost no liquid the other side of the aluminum pocket. This intense directional emission is unquestionably an advantage compared to the prior art in the matter.
Il est fréquent que la pochette intérieure ne soit pas entièrement vidée par l'utilisateur au moment de l'allumage. On s'est aperçu qu'il y avait des replis ou d'autres causes qui faisaient qu'il en restait un peu. Il est alors avantageux, lorsque la lumière faiblit au fil des heures, par suite de l'inévitable consommation d'énergie chimique du système, de malaxer quelque peu l'élément pour en extraire les restes du contenu en oxalate hors de la pochette intérieure. On assiste alors à une sorte de regénération de l'émission lumineuse et ce, à un moment décidé par l'utilisateur. Ceci constitue un avantage appréciable par rapport à l'art antérieur. Il a été souvent demandé, mais en vain, par le marché jusqu ' ici .It is common that the interior pocket is not completely emptied by the user at the time of ignition. We realized that there were downturns or other causes that left a little. It is then advantageous, when the light fades over the hours, as a result of the inevitable consumption of chemical energy of the system, to mix the element somewhat to extract the remains of the oxalate content from the inner pocket. We then witness a sort of regeneration of the light emission at a time decided by the user. This constitutes an appreciable advantage compared to the prior art. It has been demanded often, but to no avail, by the market so far.
Dans les figs. 1 et 2 l'élément est représenté sous forme rectangulaire et dans les figs. 3 et 4 sous forme circulaire, mais il va de soi que le scellage périphérique peut affecter toute autre forme et en particulier, à des fins publicitaires, représenter la forme d'un logo de marque .In figs. 1 and 2 the element is shown in rectangular form and in FIGS. 3 and 4 in circular form, but it goes without saying that the peripheral seal can affect any other form and in particular, for advertising purposes, represent the form of a brand logo.
Pour la réalisation industrielle, il est prévu, avec utilisation de machine d'emballage du type "fill-and-seal " verticales, de dérouler depuis leurs rouleaux respectifs, les deux films minces d'aluminium ainsi le cas échéant, que le rouleau optionnel de film souple polymérique, afin de présenter ces films d'aluminium face à face selon leur face enduite polymérique, et de sceller de manière continue et temporisée les pochettes à la suite l'une de 1 ' autre .For industrial production, it is planned, with the use of a vertical "fill-and-seal" type packaging machine, to unwind from their respective rolls, the two thin films of aluminum and, if necessary, the optional roll. flexible polymeric film, in order to present these aluminum films face to face according to their polymer coated side, and to seal the pouches continuously and one after the other.
Lorsque les films d'aluminium se trouvent en face l'un de l'autre l'un des deux ou tous les deux se voit embouti légèrement par un petit poinçon activé mécaniquement, ceci de manière à créer du volume pour le liquide à recevoir. On y fait l'injection de liquide oxalate, suivie du scellage de la pochette. Les pochettes scellées sont séparés au moyen d'un couteau automatisé, et tombent individuellement dans la deuxième machine décrite ci-dessous .When the aluminum films are facing each other, one or both of them is slightly stamped by a small mechanically activated punch, this so as to create volume for the liquid to be received. The injection of oxalate liquid is done there, followed by the sealing of the pouch. The sealed pouches are separated by means of an automated knife, and fall individually into the second machine described below.
La machine peut être de type vertical, comme le suggèrent les figs. 1 et 2, ou de type horizontal, comme le suggèrent les figs. 3 et 4. L'emboutissage est plus facile en machine horizontale, et peut se limiter au film inférieur.The machine can be vertical, as suggested in figs. 1 and 2, or horizontal, as suggested in figs. 3 and 4. Stamping is easier in a horizontal machine, and can be limited to the lower film.
Les films aluminium ont été enduits ou laminés avec le vernis polymérique dont question ci-avant, au cours d'une opération préalable, elle aussi effectuée en continu par des moyens connus.The aluminum films were coated or laminated with the polymeric varnish mentioned above, during a prior operation, which was also carried out continuously by known means.
Une seconde machine, elle aussi du type "fill and seal", reçoit de manière séquencée et synchrone avec la précédente, les pochettes aluminium déjà emplies et scellées, et scelle ensemble les deux films en plastique souple et le feutre, s'il est prévu, tous trois se déroulant en continu depuis leurs rouleaux de stockage. Avant le scellage une dose de liquide activateur est introduite, ainsi que la bille. Il est important de noter que dans cette seconde machine, qui fabrique les pochettes extérieures (et ceci, à 1 ' inverse de ce qui se passe dans la première machine avec les films aluminium), les deux films de plastique souple, déroulés en vue de l'opération, restent plans, c'est à dire ni "emboutis", ni "formés" jusqu'au moment du scellage final. Ils adoptent une structure légèrement gonflée parce que au moment du scellage ils enserrent entre eux la pochette aluminium. Ce gonflement est une déformation purement élastique avec mise sous tension, due à l'élasticité naturelle des films, et par nature réversible. Il en résulte que les parois de la pochette extérieure exercent sur la pochette intérieure et son contenu, une pression élastique uniforme dont l'action est très favorable au moment de 1 ' éventrement par l'utilisateur. Le liquide oxalate se voit alors éjecté avec force, ce qui favorise le mélange désiré.A second machine, also of the "fill and seal" type, receives sequentially and synchronously with the previous one, the aluminum pouches already filled and sealed, and seals together the two flexible plastic films and the felt, if provided. , all three unfolding continuously from their storage rollers. Before sealing, a dose of activating liquid is introduced, as well as the ball. It is important to note that in this second machine, which manufactures the outer pockets (and this, in contrast to what happens in the first machine with the aluminum films), the two flexible plastic films, unrolled in order to the operation, remain planes, ie neither "stamped", nor "formed" until the moment of the final sealing. They adopt a slightly inflated structure because at the time of sealing they enclose between them the aluminum pouch. This swelling is a purely elastic deformation with tension, due to the natural elasticity of the films, and by nature reversible. It follows that the walls of the outer pocket exert on the inner pocket and its contents, a uniform elastic pressure whose action is very favorable at the time of 1 eventuality by the user. The oxalate liquid is then ejected with force, which promotes the desired mixture.
Les pochettes finies sortent alors au bas de la machine selon une chaîne ou saucisse, et peuvent être livrées telles quelles à l'utilisateur si celui-ci est intéressé par des lignes de lumière, nouveauté de nature à rencontrer les désirs des forces de l'ordre ou de l'armée par exemple .The finished pockets then come out at the bottom of the machine according to a chain or sausage, and can be delivered as is to the user if the latter is interested in light lines, novelty likely to meet the desires of the forces of order or the military for example.
Mais bien entendu on peut aussi séparer les pochettes les unes des autres par le jeu d'un couteau automatisé, ou créer des lignes de faiblesse entre elles pour la séparation ultérieure par l'utilisateur.But of course we can also separate the pockets from each other by the play of an automated knife, or create lines of weakness between them for subsequent separation by the user.
Exemples de réalisationExamples of realization
Exemple 1 On fait appel dans cet exemple à une machine verticale, du type "fill and seal", modifiée. On utilise un film d'aluminium de marque Reynolds, en ruban de 35 mm de large et rouleaux de 300 m. L'épaisseur est de 28 micromètres pour la face destinée à être éventrée et 38 micromètres pour 1 ' autre .Example 1 In this example, a vertical machine, of the "fill and seal" type, modified, is used. Reynolds brand aluminum film is used, 35 mm wide tape and 300 m rolls. The thickness is 28 micrometers for the side intended to be gutted and 38 micrometers for the other.
Avant sa découpe en rouleaux de 35 mm, ledit film a été enduit sur sa pleine largeur, soit 600 mm, d'une dispersion de polypropylène et traité en four-tunnel. L'épaisseur résiduelle déposée après cure est de 6 micromètres .Before being cut into 35 mm rolls, said film was coated over its full width, ie 600 mm, with a dispersion of polypropylene and treated in a tunnel oven. The residual thickness deposited after curing is 6 micrometers.
Lorsque les deux films aluminium sont face à face leur scellage mutuel est opéré selon une périphérie rectangulaire de 33 x 65 mm à l'exception du côté supérieur, par lequel un doigt d'emboutissage pénètre mécaniquement, accompagné d'une aiguille d'injection de la solution oxalate puis ces deux éléments se retirent et le scellage est achevé.When the two aluminum films are face to face, their mutual sealing is effected on a rectangular periphery of 33 x 65 mm with the exception of the upper side, through which a stamping finger penetrates mechanically, accompanied by an injection needle of the oxalate solution then these two elements are withdrawn and the sealing is completed.
La solution oxalate est constituée d'un solvant dibutylphtalate dans lequel, par litre, sont dissouts 120 g de CPO oxalate et 1,5 g de colorant DPEA. Ces composants sont bien connus de l'art antérieur en matière d'éléments chimiluminescents .The oxalate solution consists of a solvent dibutylphthalate in which, per liter, are dissolved 120 g of CPO oxalate and 1.5 g of dye DPEA. These components are well known in the prior art in terms of chemiluminescent elements.
La bille est une bille de roulement, de troisième choix, d'un diamètre de 4,5 mm. Les films de la pochette extérieure sont en copolymère polypropylène -polyéthylène sans agent glissant dans la formulation, de 0,25 m en rouleaux de largeur 40 mm, longueur 300 m. Ils se présentent en ruban de largeur 45 mm, épaisseur 0,25 mm, en rouleaux de 300 mètres.The ball is a third choice bearing ball with a diameter of 4.5 mm. The films of the outer pouch are made of polypropylene-polyethylene copolymer without slip agent in the formulation, 0.25 m in rolls of width 40 mm, length 300 m. They come in a 45 mm wide, 0.25 mm thick ribbon, in 300 meter rolls.
Les doses d1 oxalate et d' activateur sont respectivement 1,7 et 0,7 ml .Doses of 1 oxalate and activator are respectively 1.7 and 0.7 ml.
Les scellages sont réalisés à l'aide de mâchoires ou enclumes ayant la forme de rectangle à coin arrondis, avec une largeur de scellage effective de 2 mm. L'énergie thermique des scellages est apportée soit par des résistances électriques, soit via un générateur d'ultrasons .The seals are made using jaws or anvils having the shape of a rectangle with rounded corners, with an effective sealing width of 2 mm. The thermal energy of the seals is provided either by electrical resistances or via an ultrasonic generator.
Le feutre est un non tissé "spunbond" en fibres de polypropylène et polyéthylène, de 120 g par mètre carré .The felt is a "spunbond" nonwoven of polypropylene and polyethylene fibers, 120 g per square meter.
Les pièces finies, séparées par un couteau automatique temporisé, mesurent 45 x 70 mm et pèsent 4 g.The finished pieces, separated by a timed automatic knife, measure 45 x 70 mm and weigh 4 g.
Exemple 2Example 2
On procède comme dans l'exemple 1 mais en employant une machine de type horizontal. L'emboutissage du film aluminium inférieur est opéré par descente d'un poinçon avant tout scellage; ensuite la dépose du liquide est réalisée à l'aide d'une aiguille amovible, puis le scellage entre les deux films d'aluminium est opéré d'un coup sur toute la périphérie. Dans ce cas, les rubans d'aluminium alimentant la machine présentent une largeur de 41 mm et ceux en plastique souple une largeur de 65 mm. Les quantités de solution d' oxalate et de solution activatrice sont respectivement 2,2 et 1 ml. Les pièces finies ont un diamètre de 59 mm et pèsent 5 g. The procedure is as in Example 1 but using a horizontal type machine. The stamping of the lower aluminum film is carried out by lowering a punch before any sealing; then the liquid is deposited using a removable needle, then the sealing between the two aluminum films is carried out at once over the entire periphery. In this case, the aluminum ribbons feeding the machine have a width of 41 mm and those made of flexible plastic a width of 65 mm. The amounts of oxalate solution and activating solution are 2.2 and 1 ml respectively. The finished parts have a diameter of 59 mm and weigh 5 g.

Claims

Revendications claims
1. Elément d'éclairage chimiluminescent comportant au moins deux chambres remplies respectivement d'une solution d' oxalate et d'une solution activatrice caractérisé en ce que la solution oxalate se trouve dans une pochette étanche en film mince d'aluminium doublé, côté intérieur, d'un polymère, ladite pochette, formant une première chambre, étant elle-même enfermée dans une pochette étanche plus grande en film polymérique translucide, formant une deuxième chambre, qui contient également 1' activateur liquide.1. Chemiluminescent lighting element comprising at least two chambers respectively filled with an oxalate solution and an activating solution characterized in that the oxalate solution is in a sealed pouch made of lined thin aluminum film, inner side , of a polymer, said pouch, forming a first chamber, being itself enclosed in a larger waterproof pouch made of translucent polymer film, forming a second chamber, which also contains one liquid activator.
2. Elément selon la revendication 1 dans lequel le polymère du film d'aluminium est une polyoléfine.2. Element according to claim 1 wherein the polymer of the aluminum film is a polyolefin.
3. Elément selon les revendications 1 ou 2 dans lequel la pochette extérieure est constituée de deux films polymériques scellés ensemble sur leur périphérie.3. Element according to claims 1 or 2 wherein the outer pocket consists of two polymeric films sealed together on their periphery.
4. Elément selon la revendication 3 dans lequel l'un des films polymériques est doublé, côté interne, d'un feutre ou tissu en matière absorbante compatible avec les solutions d' oxalate et activatrice.4. Element according to claim 3 wherein one of the polymeric films is lined, on the internal side, with a felt or fabric of absorbent material compatible with the solutions of oxalate and activator.
5. Elément selon la revendication 3 dans lequel les films sont sous tension élastique.5. Element according to claim 3 wherein the films are under elastic tension.
6. Elément selon les revendications 1, 2 ou 3 dans lequel la pochette extérieure contient également un ou plusieurs petits grains de matière dure. 6. Element according to claims 1, 2 or 3 wherein the outer pocket also contains one or more small grains of hard material.
7. Elément selon la revendication 4 dans lequel le grain de matière dure est une bille d'acier.7. Element according to claim 4 wherein the grain of hard material is a steel ball.
8. Elément selon la revendication 4 dans lequel le ou les grains sont des granulés de polyoléfine.8. Element according to claim 4 wherein the grain or grains are polyolefin granules.
9. Elément selon n'importe laquelle des revendications précédentes dans lequel la pochette intérieure est constituée de films d'aluminium doublés de polymère scellés ensemble et dans lequel le scellage présente des zones de moindre résistance à l'éclatement.9. Element according to any one of the preceding claims, in which the inner pouch consists of aluminum films lined with polymer sealed together and in which the seal has areas of lower burst strength.
10. Procédé de fabrication d'un élément d'éclairage chimiluminescent selon n'importe laquelle des revendications 1 à 9 dans lequel10. A method of manufacturing a chemiluminescent lighting element according to any one of claims 1 to 9 in which
- des pochettes en film mince d'aluminium doublé de polymère sont formées de manière continue et successive, par le déroulement de deux rouleaux de ruban aluminium qui sont amenés l'un contre l'autre, face polymère en contact et scellé au moins sur leurs périphéries, avec injection de solution oxalate à l'intérieur de la périphérie délimitée par le scellage,- sleeves made of thin aluminum film lined with polymer are formed continuously and successively, by the unwinding of two rolls of aluminum tape which are brought one against the other, polymer side in contact and sealed at least on their peripheries, with injection of oxalate solution inside the periphery delimited by the sealing,
- lesdites pochettes ainsi scellées et remplies sont séparées par un couteau automatisé et envoyées une à une de manière successive et temporisée, dans une seconde machine qui les incorpore dans une pochette en plastique translucide- Said pouches thus sealed and filled are separated by an automated knife and sent one by one successively and timed, in a second machine which incorporates them in a translucent plastic pouch
- cette seconde machine opérant la mise face à face de deux rubans en film polymère souple translucide, déroulés depuis des rouleaux de stockage, et scellés selon une périphérie avec insertion de la pochette en aluminium et de la solution activatrice à l'intérieur de la périphérie, le tout s Opérant de façon continue et temporisée - les pochettes finales étant alors soit séparées au couteau automatisé, en une série de pochettes individuelles, soit fournie à l'utilisateur selon une chaîne telle qu'issue de la machine.- this second machine operating the placing face to face of two ribbons of translucent flexible polymer film, unwound from storage rollers, and sealed along a periphery with insertion of the aluminum pouch and of the activating solution inside the periphery , all operating continuously and timed - The final pouches then being either separated with an automated knife, into a series of individual pouches, or supplied to the user according to a chain such as coming from the machine.
11. Procédé de fabrication selon la revendication 10 dans lequel un des deux rubans en film polymère souple translucide est doublé sur la face dirigée vers l'autre ruban en polymère, d'un ruban de feutre de fibres absorbantes et est scellé en continu avec le ruban en polymère souple, non doublé , qui lui fait face.11. The manufacturing method according to claim 10, in which one of the two ribbons of translucent flexible polymer film is lined on the face facing the other polymer ribbon with a felt ribbon of absorbent fibers and is continuously sealed with the flexible polymer ribbon, unlined, facing it.
12. Procédé de fabrication selon une des revendications 11 ou 10 caractérisé en ce que, au moment de l'insertion de la pochette en aluminium et de la solution activatrice, sont également insérés, entre les deux pochettes, un ou plusieurs grains de matière dure. 12. Manufacturing method according to one of claims 11 or 10 characterized in that, at the time of insertion of the aluminum pouch and the activating solution, are also inserted, between the two pouches, one or more grains of hard material .
EP01914848A 2000-03-10 2001-03-08 Chemiluminescent illuminating element Expired - Lifetime EP1421314B1 (en)

Applications Claiming Priority (3)

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BE200000195 2000-03-10
BE200000195 2000-03-10
PCT/BE2001/000040 WO2001066994A1 (en) 2000-03-10 2001-03-08 Chemiluminescent illuminating element

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DK1421314T3 (en) 2007-07-09
CA2402334C (en) 2010-10-12
BR0109138A (en) 2003-06-24
WO2001066994A1 (en) 2001-09-13
US20030223219A1 (en) 2003-12-04
CN1427933A (en) 2003-07-02
EP1421314B1 (en) 2007-02-14
JP2003532253A (en) 2003-10-28
AU783847B2 (en) 2005-12-15
DE60126685D1 (en) 2007-03-29
CN1229586C (en) 2005-11-30
CA2402334A1 (en) 2002-09-09
ES2280346T3 (en) 2007-09-16
MXPA02008830A (en) 2004-10-29
ATE354059T1 (en) 2007-03-15
AU4212001A (en) 2001-09-17
ZA200207236B (en) 2003-07-18
KR20030025223A (en) 2003-03-28
DE60126685T2 (en) 2007-11-08

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