EP2165634B1 - Toilet paper dispenser - Google Patents

Toilet paper dispenser Download PDF

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Publication number
EP2165634B1
EP2165634B1 EP09290956.3A EP09290956A EP2165634B1 EP 2165634 B1 EP2165634 B1 EP 2165634B1 EP 09290956 A EP09290956 A EP 09290956A EP 2165634 B1 EP2165634 B1 EP 2165634B1
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EP
European Patent Office
Prior art keywords
nozzle
paper
sheets
sheet
roll
Prior art date
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Active
Application number
EP09290956.3A
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German (de)
French (fr)
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EP2165634A3 (en
EP2165634A2 (en
Inventor
Jean-Louis Neveu
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.)
Essity Operations France SAS
Original Assignee
SCA Tissue France SAS
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Priority to DK17181440.3T priority Critical patent/DK3260029T3/en
Priority to PL17181440T priority patent/PL3260029T3/en
Priority to SI200532205T priority patent/SI2165634T1/en
Priority to PL09290956T priority patent/PL2165634T3/en
Priority to EP17181440.3A priority patent/EP3260029B1/en
Application filed by SCA Tissue France SAS filed Critical SCA Tissue France SAS
Publication of EP2165634A2 publication Critical patent/EP2165634A2/en
Publication of EP2165634A3 publication Critical patent/EP2165634A3/en
Publication of EP2165634B1 publication Critical patent/EP2165634B1/en
Application granted granted Critical
Priority to CY20201100479T priority patent/CY1122926T1/en
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    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47K—SANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR; TOILET ACCESSORIES
    • A47K10/00—Body-drying implements; Toilet paper; Holders therefor
    • A47K10/24—Towel dispensers, e.g. for piled-up or folded textile towels; Toilet-paper dispensers; Dispensers for piled-up or folded textile towels provided or not with devices for taking-up soiled towels as far as not mechanically driven
    • A47K10/32—Dispensers for paper towels or toilet-paper
    • A47K10/34—Dispensers for paper towels or toilet-paper dispensing from a web, e.g. with mechanical dispensing means
    • A47K10/38—Dispensers for paper towels or toilet-paper dispensing from a web, e.g. with mechanical dispensing means the web being rolled up with or without tearing edge
    • A47K10/3809—Dispensers for paper towels or toilet-paper dispensing from a web, e.g. with mechanical dispensing means the web being rolled up with or without tearing edge with roll spindles which are not directly supported
    • A47K10/3818—Dispensers for paper towels or toilet-paper dispensing from a web, e.g. with mechanical dispensing means the web being rolled up with or without tearing edge with roll spindles which are not directly supported with a distribution opening which is perpendicular to the rotation axis
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47K—SANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR; TOILET ACCESSORIES
    • A47K10/00—Body-drying implements; Toilet paper; Holders therefor
    • A47K10/16—Paper towels; Toilet paper; Holders therefor
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47K—SANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR; TOILET ACCESSORIES
    • A47K10/00—Body-drying implements; Toilet paper; Holders therefor
    • A47K10/24—Towel dispensers, e.g. for piled-up or folded textile towels; Toilet-paper dispensers; Dispensers for piled-up or folded textile towels provided or not with devices for taking-up soiled towels as far as not mechanically driven
    • A47K10/32—Dispensers for paper towels or toilet-paper
    • A47K2010/3206—Coreless paper rolls
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47K—SANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR; TOILET ACCESSORIES
    • A47K10/00—Body-drying implements; Toilet paper; Holders therefor
    • A47K10/24—Towel dispensers, e.g. for piled-up or folded textile towels; Toilet-paper dispensers; Dispensers for piled-up or folded textile towels provided or not with devices for taking-up soiled towels as far as not mechanically driven
    • A47K10/32—Dispensers for paper towels or toilet-paper
    • A47K2010/324—Jumbo rolls

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  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Sanitary Thin Papers (AREA)
  • Toilet Supplies (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Unwinding Webs (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Saccharide Compounds (AREA)

Abstract

The dispenser has a case (6) in which a roll (3) of a paper strip (2) is housed. The roll has precuts transversal to the strip to define rectangular paper sheets (5). The case has a nozzle (9) with a distribution orifice (10) by which the strip is unwound. The nozzle and roll are arranged so that the sheets are unwound one by one and come out at an outlet of the nozzle. A ratio of width and length of the sheets is between 0.5 and 0.65.

Description

L'invention concerne un distributeur de papier toilette dans lequel est logé un rouleau, le distributeur recevant le rouleau.The invention relates to a toilet paper dispenser in which is housed a roll, the dispenser receiving the roll.

Dans les lieux publics, notamment, les distributeurs de papier toilette comprennent généralement un boîtier, dans lequel est monté un rouleau d'une bande de papier qui est dévidé par un orifice de distribution. La bande de papier comporte des prédécoupes transversales à la direction de son déroulement, définissant des feuilles rectangulaires qui peuvent être détachées individuellement. Le papier toilette est un papier en ouate de cellulose, souple et doux en surface, comprenant un ou plusieurs plis dont le grammage est habituellement compris entre 14 g/cm2 et 30 g/cm2 environ.In public places, in particular, the toilet paper dispensers generally comprise a housing, in which is mounted a roll of a strip of paper which is unwound by a dispensing orifice. The paper strip has pre-cuts transverse to the direction of its unwinding, defining rectangular sheets that can be detached individually. The toilet paper is a cellulose wadding paper, flexible and soft surface, comprising one or more plies whose weight is usually between 14 g / cm 2 and 30 g / cm 2 approximately.

Les distributeurs les plus répandus comprennent une ouverture, ou fenêtre, au moins de la largeur du papier toilette, disposée en position basse sur le distributeur, par lequel on dévide le papier. Le dévidage s'effectue en tirant sur l'extrémité libre du papier qui correspond à la couche externe du rouleau : on parle dans ce cas de dévidage périphérique du papier. Lorsque l'utilisateur possède une certaine quantité de papier, il peut la découper grâce, par exemple, à un bord de coupe de l'ouverture du distributeur.The most common dispensers include an opening, or window, at least the width of the toilet paper, arranged in a low position on the dispenser, by which the paper is unwound. The unwinding takes place by pulling on the free end of the paper which corresponds to the outer layer of the roll: in this case it is referred to as peripheral feeding of the paper. When the user has a certain amount of paper, he can cut it by, for example, a cutting edge of the dispenser opening.

Pour l'exploitant du distributeur de papier, et par conséquent pour son concepteur, l'un des enjeux principaux de la définition des caractéristiques du distributeur et de son rouleau est la minimisation de la consommation de papier. L'inconvénient du dispositif décrit ci-dessus est la liberté qu'a l'utilisateur du papier de dévider une grande quantité de feuilles de papier en tirant sur l'extrémité de la bande de façon continue. Cette faculté de l'utilisateur se traduit statistiquement par un gâchis de papier considérable, puisque l'utilisateur dévide plus de papier qu'il n'en a besoin.For the operator of the paper dispenser, and therefore for its designer, one of the main issues in defining the characteristics of the dispenser and its roller is the minimization of paper consumption. The disadvantage of the device described above is the freedom of the user of the paper to unwind a large amount of paper sheets by pulling on the end of the strip continuously. This faculty of the user is statistically translated by a considerable waste of paper, since the user rolls out more paper than he needs.

Une solution consiste à imposer à l'utilisateur un dévidage du papier feuille à feuille. L'art antérieur propose, dans le domaine du papier cuisine ou d'essuyage, c'est-à-dire du papier qui est, par comparaison au papier toilette, plus épais, dont les feuilles sont de plus grandes dimensions, ainsi que moins souple et moins doux, des distributeurs feuille à feuille à dévidage central. Dans ces derniers, le papier est dévidé à partir du centre du rouleau et extrait par l'orifice d'une buse, placée dans l'axe du rouleau ou en périphérie du distributeur, la buse étant généralement de forme tronconique et de faible section de sortie pour imposer la distribution feuille à feuille. On parle de dévidage central du papier, en l'espèce feuille à feuille. Un exemple d'un tel distributeur est décrit dans le document FR 2, 761, 252 A1 avec un diamètre d'orifice de distribution de la buse compris entre 8 et 11 mm et une grande laize de bande de papier comprise entre 200 et 245 mm.One solution is to force the user to unwind the sheet-by-sheet paper. The prior art proposes, in the field of kitchen paper or wiping, that is to say paper which is, compared to toilet paper, thicker, whose leaves are larger, and less softer and softer, from center-fed single-sheet dispensers. In the latter, the paper is unwound from the center of the roll and extracted through the orifice of a nozzle, placed in the axis of the roll or at the periphery of the dispenser, the nozzle being generally of frustoconical shape and of small cross section. exit to impose the distribution sheet by sheet. We speak of central reeling of the paper, in this case sheet by sheet. An example of such distributor is described in the document FR 2, 761, 252 A1 with a nozzle distribution orifice diameter of between 8 and 11 mm and a wide web of paper between 200 and 245 mm.

Par ailleurs, il peut être fait référence aux systèmes de distribution de feuilles décrits dans les documents US 5,215,211 et GB 2 308 114 A .In addition, reference may be made to the sheet distribution systems described in the documents US 5,215,211 and GB 2,308,114A .

Il est intéressant de noter d'emblée que la distribution feuille à feuille est conditionnée par le rapport de la force nécessaire pour extraire la feuille à travers la buse et de la force nécessaire pour déchirer les tenons maintenant entre elles deux feuilles adjacentes de la bande de papier ; la section de l'orifice de sortie de la buse influe sur ce rapport : plus elle est faible, plus la probabilité de découper une feuille à chaque extraction est grande.It is interesting to note at the outset that the sheet-to-sheet distribution is conditioned by the ratio of the force required to extract the sheet through the nozzle and the force required to tear the tenons holding between them two adjacent sheets of the strip. paper; the section of the outlet orifice of the nozzle influences this ratio: the lower it is, the greater the probability of cutting a sheet at each extraction.

L'application au papier toilette du principe des distributeurs à dévidage central de papier d'essuyage, imposant une distribution feuille à feuille grâce à l'orifice de la buse, pourrait sembler évidente. Pourtant, sa mise en oeuvre se heurte à une série d'inconvénients qui aboutissent à une impasse, surtout si le critère de consommation minimale doit être respecté.The application to the toilet paper of the principle of central wipe dispensers of paper wiping, imposing a distribution sheet by sheet through the orifice of the nozzle, could seem obvious. However, its implementation faces a series of drawbacks that lead to a dead end, especially if the minimum consumption criterion must be respected.

En effet, du fait des caractéristiques inhérentes au papier toilette standard, dans le domaine des produits pour collectivités, dont la largeur courante des feuilles est proche de 100 mm et la longueur de 350 mm, on a proposé un distributeur avec une buse présentant un orifice de sortie de très faible diamètre, afin d'assurer la distribution feuille à feuille. L'inconvénient d'une telle buse était, tout d'abord, la difficulté de la mise en place initiale du papier dans la buse, ensuite, le fait qu'en sortie d'une telle buse, le papier toilette était totalement froissé et se présentait sous la forme d'une ficelle désagréable pour l'utilisateur, qui devait déplisser la feuille sortante pour pouvoir l'utiliser. Pour que le papier ne se froisse plus, on a augmenté la section de sortie de la buse ; mais alors, la distribution ne se faisait plus feuille à feuille avec la même régularité et le problème de surconsommation de papier réapparaissait. On a aussi utilisé du papier toilette au format du papier d'essuyage avec un orifice de sortie de buse plus grand, qui garantissait, comme dans le document FR 2, 761, 252 , la distribution feuille à feuille ; mais alors, le format des feuilles était trop grand pour l'utilisation qui en était faite et le problème de surconsommation de papier se pose de nouveau. En outre, il n'était pas possible de réduire la largeur des feuilles.Indeed, because of the characteristics inherent in standard toilet paper, in the field of community products, whose current width of the sheets is close to 100 mm and the length of 350 mm, it has been proposed a dispenser with a nozzle having an orifice output of very small diameter, to ensure the distribution sheet to sheet. The disadvantage of such a nozzle was, firstly, the difficulty of the initial introduction of the paper in the nozzle, then, the fact that at the outlet of such a nozzle, the toilet paper was completely wrinkled and was in the form of an unpleasant string for the user, who had to unfold the outgoing sheet to be able to use it. In order for the paper to no longer crease, the outlet section of the nozzle has been increased; but then, the distribution was no longer made sheet by sheet with the same regularity and the problem of overconsumption of paper reappeared. Toilet paper in the wiping paper format was also used with a larger nozzle exit orifice which, as in the document, was guaranteed. FR 2, 761, 252 , the distribution sheet by sheet; but then, the format of the sheets was too big for the use that was made of them and the problem of overconsumption of paper arises again. In addition, it was not possible to reduce the width of the leaves.

L'invention vise à proposer un distributeur de papier toilette feuille à feuille, avec une buse de distribution, qui délivre des feuilles de papier peu froissées en sortie de la buse, ce qui les rend agréables d'utilisation, tout en assurant par ailleurs une consommation minimale de papier.The object of the invention is to provide a sheet-by-sheet toilet paper dispenser with a dispensing nozzle, which delivers slightly crumpled sheets of paper at the outlet of the nozzle, which makes them pleasant to use, while at the same time ensuring minimum paper consumption.

A cet effet, un distributeur de papier toilette selon la présente invention est tel que défini dans les revendications annexées.For this purpose, a toilet paper dispenser according to the present invention is as defined in the appended claims.

La demanderesse a découvert qu'en proposant une nouvelle proportion entre la largeur et la longueur des feuilles de papier, il est possible, non seulement d'assurer une distribution feuille à feuille du papier, mais aussi de permettre à la feuille de papier de se défroisser d'elle-même en sortie de buse quand on tire sur elle, tout en conservant une surface de feuille standard et donc en évitant une surconsommation de papier.The applicant has discovered that by proposing a new proportion between the width and the length of the sheets of paper, it is possible not only to ensure a single sheet distribution of the paper, but also to allow the sheet of paper to wrinkle itself when leaving the nozzle when pulling on it, while maintaining a standard sheet surface and thus avoiding over-consumption of paper.

L'invention sera mieux comprise à l'aide de la description suivante de la forme de réalisation préférée du distributeur de l'invention, en référence au dessin annexé, sur lequel :

  • la figure 1 représente une vue en perspective du distributeur de l'invention avec une feuille en train d'être dévidée et
  • la figure 2 représente une vue en perspective du rouleau de papier de l'invention.
The invention will be better understood with the aid of the following description of the preferred embodiment of the dispenser of the invention, with reference to the appended drawing, in which:
  • the figure 1 represents a perspective view of the dispenser of the invention with a sheet being unwound and
  • the figure 2 is a perspective view of the paper roll of the invention.

En référence à la figure 1, le distributeur 1 de l'invention est un distributeur de papier toilette. Le papier toilette est ici un papier en ouate de cellulose, comportant par exemple deux plis, ou couches, reliés entre eux par tout moyen mécanique ou chimique approprié, par exemple par moletage ou collage, de façon bien connue de l'homme du métier. En référence à la figure 2, le papier toilette se présente sous la forme d'une bande 2 qui est enroulée en un rouleau 3, ce dernier ne comportant pas de mandrin interne central, le papier étant initialement enroulé de sorte qu'une extrémité de bande 12 dépasse de la partie centrale du rouleau 3 avant de pouvoir en être dévidée. La bande 2 comporte des prédécoupes 4, transversales à la direction de déroulement de la bande 2, définissant des feuilles de papier 5 qui peuvent être détachées individuellement. Ces feuilles de papier 5 sont rectangulaires ;
elles sont définies par une largeur "l" transversale et une longueur "L" longitudinale.With reference to the figure 1 , the dispenser 1 of the invention is a toilet paper dispenser. The toilet paper is here a cellulose wadding paper, for example comprising two plies, or layers, interconnected by any appropriate mechanical or chemical means, for example by knurling or gluing, as is well known to those skilled in the art. With reference to the figure 2 , the toilet paper is in the form of a strip 2 which is wound into a roll 3, the latter having no central inner mandrel, the paper being initially wound so that one end of strip 12 protrudes from the part center of the roll 3 before it can be unwound. The band 2 comprises pre-cuts 4, transverse to the unwinding direction of the band 2, defining paper sheets 5 which can be detached individually. These sheets of paper are rectangular;
they are defined by a width "l" transverse and length "L" longitudinal.

Dans la suite de la description, par transversal ou longitudinal, on se référera toujours à transversal et longitudinal par rapport à la bande 2, dans sa direction de déroulement.In the remainder of the description, transversely or longitudinally, reference will always be made to transverse and longitudinal with respect to the strip 2, in its unwinding direction.

Le distributeur 1 comprend un boîtier 6, de forme cylindrique, de réception du rouleau 3, également de forme cylindrique. Le boîtier 6 est agencé de façon à ce que le rouleau 3 ne tourne pas sur son axe lors de son dévidement. Lorsque le rouleau 3 est logé dans le boîtier 6, leurs axes sont a priori confondus, si les cylindres sont identiques, ou au moins parallèles. Le boîtier 6 comporte des moyens d'accrochage, non représentés, à un support, ici à un mur 7 du local dans lequel on veut disposer le distributeur 1, moyens agencés de façon à ce qu'une fois le distributeur accroché, les axes du boîtier 6 et du rouleau 3 soient perpendiculaires au mur 7. Le boîtier 6 comporte ici, sur sa face opposée au mur 7, une portion 8 transparente, ce qui permet de voir, par transparence, le rouleau 3 et la bande 2 à l'intérieur du boîtier 6.The dispenser 1 comprises a casing 6, of cylindrical shape, for receiving the roll 3, also of cylindrical shape. The housing 6 is arranged so that the roller 3 does not rotate on its axis during unwinding. When the roller 3 is housed in the housing 6, their axes are a priori coincident, if the cylinders are identical, or at least parallel. The housing 6 comprises hooking means, not shown, to a support, here to a wall 7 of the room in which the dispenser 1 is to be arranged, means arranged so that once the dispenser hooked, the axes of the The housing 6 and the roller 3 are perpendicular to the wall 7. The housing 6 here comprises, on its face opposite the wall 7, a portion 8 transparent, which allows to see, by transparency, the roller 3 and the strip 2 to the inside the case 6.

Le boîtier 6 comporte, en périphérie, au niveau d'une arête du côté opposé au mur, une buse 9 de distribution. Cette buse 9 est ici de forme tronconique, son orifice de plus petit diamètre étant l'orifice de sortie, ou orifice de distribution 10, situé du côté extérieur de la buse 9 par rapport au boîtier 6.The housing 6 comprises, peripherally, at an edge on the side opposite the wall, a nozzle 9 distribution. This nozzle 9 is here of frustoconical shape, its smaller diameter orifice being the outlet orifice, or dispensing orifice 10, located on the outside of the nozzle 9 with respect to the housing 6.

Le fonctionnement général du distributeur 1 de l'invention va maintenant être expliqué. L'extrémité libre de la bande de papier toilette 12, partant du centre du rouleau 3, est insérée dans la buse 9 de façon à en faire saillie par son orifice de distribution 10. La buse 9 étant ici située en périphérie du boîtier 6, avec son axe perpendiculaire aux axes du boîtier 6 et du rouleau 3, il y a un renvoi d'angle de la bande 2 entre l'axe du rouleau 3 et l'axe de la buse 9. Ce renvoi d'angle s'effectue ici naturellement, sans adjonction d'élément structurel supplémentaire. Il pourrait néanmoins être prévu un organe de renvoi d'angle tel qu'une poulie ou un axe.The general operation of the dispenser 1 of the invention will now be explained. The free end of the strip of toilet paper 12, starting from the center of the roll 3, is inserted into the nozzle 9 so as to project from its dispensing orifice 10. The nozzle 9 being here located at the periphery of the case 6, with its axis perpendicular to the axes of the housing 6 and the roller 3, there is a return angle of the strip 2 between the axis of the roller 3 and the axis of the nozzle 9. This angular reference is effected here naturally, without the addition of additional structural element. It could nevertheless be provided an angular return member such as a pulley or an axis.

Lorsqu'un utilisateur tire sur l'extrémité 12 de la bande en saillie hors de la buse 9, la bande 2 se dévide à partir de son centre. Le diamètre de l'orifice de distribution 10 de la buse 9 et les feuilles 5 sont agencés, comme développé ci-après avec leurs dimensions, pour que la distribution se fasse feuille à feuille. A cet effet, la force d'extraction du papier hors de la buse 9, qui dépend notamment des frottements de la bande de papier toilette 2 sur la paroi de l'orifice de distribution 10 de la buse 9, doit être plus grande que la force de déchirure des tenons maintenant deux feuilles 5 adjacentes de la bande 2, qui dépend notamment de la résistance du papier toilette et du taux de perforation des prédécoupes 4, égal au rapport de la somme des dimensions transversales des tenons d'une feuille sur la laize de la bande 2. Ainsi, pendant que l'utilisateur dévide la bande 2, lorsque la prédécoupe 4 suivante sort de la buse 9, du fait du rapport de force qui vient d'être décrit, la feuille 5 sur laquelle l'utilisateur tire se détache de la feuille suivante avant que cette dernière ne sorte complètement de la buse 9. Il s'agit donc bien d'une distribution feuille à feuille. La feuille suivante fait alors saillie hors de la buse 9 et peut à son tour être dévidée.When a user pulls on the end 12 of the band protruding out of the nozzle 9, the band 2 is unwound from its center. The diameter of the dispensing orifice 10 of the nozzle 9 and the sheets 5 are arranged, as developed below with their dimensions, so that the distribution is done sheet by sheet. For this purpose, the extraction force of the paper out of the nozzle 9, which depends in particular on the friction of the toilet paper strip 2 on the wall of the dispensing orifice 10 of the nozzle 9, must be greater than the tear strength of the tenons now two adjacent sheets of the strip 2, which depends in particular on the resistance of the toilet paper and the rate perforation of the pre-cuts 4, equal to the ratio of the sum of the transverse dimensions of the tenons of a sheet on the width of the strip 2. Thus, while the user unwinds the strip 2, when the next precut 4 out of the nozzle 9, because of the balance of power that has just been described, the sheet 5 on which the user pulls off the next sheet before the latter completely out of the nozzle 9. It is therefore well to a single sheet distribution. The next sheet then protrudes out of the nozzle 9 and can in turn be unwound.

Ce rapport de la force d'extraction sur la force de déchirure doit notamment être suffisant pour compenser les variations d'angle entre les prédécoupes 4 du papier et l'axe de l'orifice de distribution 10 de la buse 9, angle qui influe sur la déchirure du papier, variations liées au fait que le papier ne se présente pas toujours suivant le même angle, en particulier selon la quantité de papier qui a déjà été dévidée.This ratio of the extraction force to the tearing force must in particular be sufficient to compensate for the angle variations between the pre-cuts 4 of the paper and the axis of the dispensing orifice 10 of the nozzle 9, which angle affects tearing of the paper, variations due to the fact that the paper does not always appear at the same angle, in particular according to the quantity of paper that has already been unwound.

Afin d'obtenir de façon certaine cette distribution feuille à feuille, tout en s'assurant que la feuille 5 dévidée se défroisse d'elle-même en sortie de la buse 9, la demanderesse a découvert qu'il était possible de proposer un nouveau format de feuilles 5, agencées de façon à ce que le rapport "l/L" de leur largeur sur leur longueur soit compris entre 0,45 et 1, pour des feuilles dont la largeur est comprise entre 125 mm et 180 mm.In order to surely obtain this distribution sheet by sheet, while ensuring that the unwound sheet unwinds itself on leaving the nozzle 9, the Applicant has discovered that it is possible to propose a new one. sheet format 5, arranged so that the ratio "l / L" of their width over their length is between 0.45 and 1, for sheets whose width is between 125 mm and 180 mm.

En particulier, par rapport à l'art antérieur, la demanderesse avait désiré augmenter la largeur "l" des feuilles 5 ainsi que le diamètre de l'orifice de distribution 10 de la buse 9, afin de faciliter le dépliage des feuilles 5 en sortie de buse 9. La demanderesse avait en outre considéré que les feuilles 5 doivent conserver une surface équivalente à celle des feuilles de l'art antérieur, afin de ne pas provoquer de surconsommation de papier mais d'assurer tout de même la fonction d'essuyage des feuilles 5. En général, dans les distributeurs de lieux publics, les feuilles de l'art antérieur font 98 mm de large et 350 mm de long, présentant donc une surface de 34300 mm2. La demanderesse a donc modifié les proportions entre largeur "l" et longueur "L" des feuilles, mais en respectant une surface de feuille équivalente, à un pourcentage près, qui est à définir par le constructeur du distributeur 1.In particular, with respect to the prior art, the Applicant had desired to increase the width "1" of the sheets 5 as well as the diameter of the dispensing orifice 10 of the nozzle 9, in order to facilitate the unfolding of the leaves 5 at the outlet The applicant further considered that the sheets 5 must maintain a surface equivalent to that of the sheets of the prior art, so as not to cause overconsumption of paper but still ensure the wiping function. 5. In general, in dispensers of public places, the sheets of the prior art are 98 mm wide and 350 mm long, thus having an area of 34300 mm 2 . The applicant has therefore modified the proportions between width "l" and length "L" of the sheets, but respecting an equivalent sheet area, to a percentage, which is to be defined by the manufacturer of the distributor 1.

La demanderesse a effectué une série de tests, comprenant notamment des tests de calcul du pourcentage de réussite du dévidage feuille à feuille, des tests comportementaux des utilisateurs, tests bien connus de l'homme du métier. Elle en a déduit une plage de paramètres préférés, en plus du rapport l/L, permettant de remplir encore mieux l'ensemble des objectifs de l'invention, à savoir un dévidage feuille à feuille du papier, un défroissement des feuilles en sortie de buse et une consommation de papier réduite par rapport aux distributeurs de l'art antérieur. Ces paramètres préférés supplémentaires seront présentés ci-après.The Applicant has carried out a series of tests, including tests for calculating the percentage of successful sheet-feed, user behavior tests, tests well known to those skilled in the art. It has deduced from this a range of preferred parameters, in addition to the ratio l / L, making it possible to fulfill even better all the objectives of the invention, namely a sheet-feed of the paper, a degreasing of the sheets at the output of nozzle and paper consumption reduced compared to the distributors of the prior art. These additional preferred parameters will be presented below.

Le tableau ci-dessous représente certaines données d'une série de tests qui ont été réalisés, d'une part sur un rouleau de l'art antérieur, d'autre part sur une série de rouleaux 3 selon l'invention, dont les feuilles comprennent un rapport "I/L" compris entre 0,45 et 1. Les tests ont été effectués avec du papier à deux plis de grammage 16 g/m2 pour chacun, avec une buse 9 dont l'orifice de distribution 10 a un diamètre de 7 mm. Art antérieur Invention Largeur l (mm) 98 130 136 140 145 150 155 180 Longueur L (mm) 350 264 254 245 235 228 221 190 Rapport l/L 0,28 0,49 0,54 0,57 0,62 0,66 0,70 0,95 Surface l*L (mm2) 34300 34320 34544 34300 34075 34200 34255 34200 Longueur du rouleau (m) 200 200 200 200 200 200 200 200 Nombre de feuilles du rouleau 571 758 787 816 851 877 905 1053 Nombre moyen de feuilles par utilisateur 6 5 5 5 5 5 5 5 Nombre d'utilisateurs par rouleau 95 152 157 163 170 175 181 210 Augmentation d'autonomie 59,09% 65,35% 71,43% 78,72% 84,21% 90,05% 121,68% The table below represents certain data from a series of tests which have been carried out, on the one hand on a roll of the prior art, on the other hand on a series of rollers 3 according to the invention, whose sheets comprise an "I / L" ratio of between 0.45 and 1. The tests were carried out with two-ply paper 16 g / m 2 for each, with a nozzle 9 whose dispensing orifice 10 has a diameter of 7 mm. Prior art Invention Width l (mm) 98 130 136 140 145 150 155 180 Length L (mm) 350 264 254 245 235 228 221 190 Report l / L 0.28 0.49 0.54 0.57 0.62 0.66 0.70 0.95 Surface l * L (mm 2 ) 34300 34320 34544 34300 34075 34200 34255 34200 Roll length (m) 200 200 200 200 200 200 200 200 Number of roll sheets 571 758 787 816 851 877 905 1053 Average number of sheets per user 6 5 5 5 5 5 5 5 Number of users per roll 95 152 157 163 170 175 181 210 Increased autonomy 59.09% 65.35% 71.43% 78.72% 84.21% 90.05% 121.68%

Un autre avantage de l'invention apparaît à la lecture de ce tableau : du fait de l'augmentation de la laize de la bande 2 pour à peu près une même surface unitaire de feuille 5, la longueur "L" des feuilles 5 doit être diminuée. Ainsi, pour un rouleau de longueur égale (par longueur du rouleau 3, on entend la longueur de la bande 2 qui le compose), par exemple ici égale à 200 m, le nombre de feuilles 5 du rouleau 3, et donc l'autonomie du distributeur 1, est accru. Cela permet de réduire le nombre d'interventions de personnel pour remplir les distributeurs vides et donc de faire des économies de maintenance.Another advantage of the invention appears on reading this table: because of the increase in the width of the strip 2 for about the same unit area of sheet 5, the length "L" of the sheets 5 must be decreased. Thus, for a roll of equal length (by length of the roll 3 is meant the length of the strip 2 which composes it), for example here equal to 200 m, the number of sheets 5 of the roll 3, and therefore the autonomy of the dispenser 1, is increased. This makes it possible to reduce the number of personnel interventions to fill the empty distributors and thus to save money on maintenance.

En outre, on constate, qu'avec ce nouveau format de feuilles 5, les consommateurs consomment moins de feuilles 5 (voir "nombre moyen de feuilles par utilisateur" dans le tableau), donc une surface de feuille moins importante ; la consommation de papier toilette par utilisateur est ainsi réduite et l'autonomie du distributeur 1 accrue d'autant plus.In addition, it can be seen that with this new sheet format 5, consumers consume fewer sheets 5 (see "Average number of sheets"). leaves per user "in the table), so a smaller leaf surface, the consumption of toilet paper per user is thus reduced and the autonomy of the distributor 1 increased all the more.

La forme de réalisation de la figure 1, avec l'axe du boîtier 6 et du rouleau 3 perpendiculaires au mur 7, en conjonction avec le dimensionnement du papier toilette de l'invention est avantageuse, car l'encombrement est réduit dans la direction perpendiculaire au mur des toilettes 7. En effet, cet encombrement est ici directement dépendant de la largeur "l" des feuilles de papier 5, qui est fixée, comme nous allons le voir, entre 125 et 180 mm. Cet encombrement est acceptable dans une pièce et est ainsi borné. Il est alors possible d'augmenter à souhait le diamètre du boîtier 6 afin de pouvoir y loger un rouleau 3 de plus grand diamètre, c'est-à-dire comportant un plus grand nombre de feuilles 5 ; l'influence de cette augmentation du nombre de feuilles 5 n'affecte que les directions parallèles au mur des toilettes 7, dans des plans bornés par la largeur du papier toilette comprise entre 125 et 180 mm. On peut ainsi, sans encombrement gênant supplémentaire, augmenter encore l'autonomie du distributeur 1.The embodiment of the figure 1 With the axis of the housing 6 and the roller 3 perpendicular to the wall 7, in conjunction with the dimensioning of the toilet paper of the invention is advantageous because the space requirement is reduced in the direction perpendicular to the wall of the toilet 7. Indeed , this size is here directly dependent on the width "l" of paper sheets 5, which is fixed, as we will see, between 125 and 180 mm. This size is acceptable in a room and is thus limited. It is then possible to increase the diameter of the housing 6 as desired in order to accommodate a roller 3 of larger diameter, that is to say having a greater number of sheets 5; the influence of this increase in the number of sheets 5 only affects the directions parallel to the wall of the toilet 7, in planes bounded by the width of the toilet paper between 125 and 180 mm. It can thus, without additional inconvenient space, further increase the autonomy of the dispenser 1.

Suite à ces divers tests et d'autres, ainsi qu'en ayant pris en compte de nombreux paramètres comme l'encombrement, la facilité d'extraction du papier tout en assurant sa distribution feuille à feuille, etc., la demanderesse a défini les plages de paramètres suivantes (avec les paramètres préférés supplémentaires annoncés plus haut), pour un fonctionnement optimal du distributeur 1 de l'invention :

  • papier toilette comportant un ou plusieurs plis, de préférence comportant deux plis, en ouate de cellulose, chaque pli ayant un grammage compris entre 14 et 30 g/m2, de préférence entre 15 et 20 g/m2 ;
  • largeur "l" comprise entre 125 et 180 mm, de préférence entre 135 et 150 mm ;
  • rapport "I/L" compris entre 0,45 et 1, de préférence entre 0,5 et 0,65 ;
  • diamètre d'orifice de distribution 10 de la buse 9 compris entre 6 et 8 mm, de préférence égal à 7 mm ;
  • taux de perforation des prédécoupes 4 de la bande 2 compris entre 12 et 30%, de préférence entre 14 et 20% ;
  • rapport, de la force d'extraction du papier toilette hors de la buse sur la force de déchirure des dents de deux feuilles 5 adjacentes de la bande 2, supérieur strictement à 1, de préférence compris entre 1,1 et 2.
Following these various tests and others, as well as having taken into account many parameters such as the size, the ease of extraction of paper while ensuring its distribution sheet by sheet, etc., the Applicant has defined the following parameter ranges (with the additional preferred parameters announced above), for optimal operation of the dispenser 1 of the invention:
  • toilet paper comprising one or more plies, preferably having two plies, of cellulose wadding, each ply having a basis weight of between 14 and 30 g / m 2 , preferably between 15 and 20 g / m 2 ;
  • width "l" of between 125 and 180 mm, preferably between 135 and 150 mm;
  • "I / L" ratio of between 0.45 and 1, preferably between 0.5 and 0.65;
  • diameter of the dispensing orifice 10 of the nozzle 9 between 6 and 8 mm, preferably equal to 7 mm;
  • perforation rate of the pre-cuts 4 of the strip 2 between 12 and 30%, preferably between 14 and 20%;
  • ratio of the extraction force of the toilet paper out of the nozzle on the tearing force of the teeth of two adjacent sheets of the strip 2, strictly greater than 1, preferably between 1.1 and 2.

Grâce à l'invention, on obtient un distributeur 1 comportant un boîtier 6 et une buse 9, assurant ainsi une fonction de protection du rouleau 3 pour l'hygiène et la prévention contre le vol. La distribution se fait feuille à feuille et le remplacement et la mise en place du rouleau 3 sont faciles à effectuer, notamment avec un orifice de distribution 10 de buse 9 suffisamment grand pour réduire le froissement des feuilles. Le format des feuilles 5, allié à la distribution feuille à feuille, entraîne une baisse de la consommation de papier de la part des utilisateurs. Dans le cas d'une disposition du boîtier 6 avec son axe perpendiculaire au support 7, l'encombrement est borné par la laize de la bande 2 et autorise une augmentation de la longueur de la bande 2, augmentant l'autonomie du rouleau 3, d'autant plus que ce dernier comprend un plus grand nombre de feuilles 5 par unité de longueur.Thanks to the invention, there is obtained a distributor 1 comprising a housing 6 and a nozzle 9, thus ensuring a protective function of the roll 3 for hygiene and prevention against theft. The dispensing is sheet-fed and the replacement and placement of the roll 3 is easy to perform, especially with a nozzle dispensing orifice 9 large enough to reduce the wrinkling of the sheets. The size of sheets 5, combined with single-sheet distribution, results in lower paper consumption by users. In the case of an arrangement of the housing 6 with its axis perpendicular to the support 7, the space requirement is limited by the width of the strip 2 and allows an increase in the length of the strip 2, increasing the autonomy of the roll 3, especially since the latter comprises a greater number of sheets per unit length.

La demanderesse a effectué des tests pour dimensionner le rouleau de papier 3 et le distributeur 1 dans une forme de réalisation préférée de l'invention, ici dans le cadre d'un dévidage central avec la buse 9 dans l'axe du rouleau 3, dont les résultats sont rapportés dans le tableau ci-dessous. Pour un papier à deux plis de grammage 16 g/m2 chacun, avec une buse 9 dont l'orifice de distribution 10 a un diamètre de 7 mm, la demanderesse a effectué des tests pour trois taux de perforation des prédécoupes différents, 14%, 16% et 20%, chacun pour deux formats de feuilles ((254x136) mm2 et (235x146) mm2) et appartenant aux plages de paramètres de l'invention. Elle a alors mesuré, à l'aide d'un dynamomètre, la force d'extraction des feuilles 5 et leur force de déchirure, en centi newton (cN) avec l'indication d'un écart-type dans le tableau, tout d'abord en début de rouleau, lorsque les feuilles 5 sont proches du cône dans le cadre d'un dévidage central avec la buse 9 dans l'axe, puis après que 100 feuilles ont été dévidées, après 200 feuilles et après 300 feuilles. Les rapports moyens entre la force d'extraction et la force de déchirure obtenus sont tout à fait dans les plages requises et on obtient de très bons résultats quant au dévidage feuille à feuille. Taux de perforation des prédécoupes 14% 14% 16% 16% 20% 20% Dimensions feuille (Lxl) 254x136 235x146 254x136 235x146 254x136 235x146 Force d'extractio n (cN) Près du cône 645 +/-75 830 +/-140 615 +/-100 835 +/- 70 750 +/- 110 990 +/- 140 Après 100 feuilles 520 +/- 40 675 +/- 70 575 +/- 90 710 +/- 70 565 +/- 70 770 +/- 230 Après 200 feuilles 540 +/- 45 650 +/- 75 555 +/- 55 650 +/- 90 520 +/- 40 620 +/- 90 Après 300 feuilles 540 +/- 50 645 +/- 80 550 +/- 50 465 +/- 75 500 +/- 50 645 +/- 35 Force de déchirure (cN) Près du cône 355 +/- 80 330 +/- 60 370 +/- 55 370 +/- 85 490 +/- 65 535 +/- 100 Après 100 feuilles 330 +/- 70 370 +/- 75 380 +/- 75 360 +/- 170 475 +/- 75 620 +/- 80 Après 200 feuilles 310 +/- 55 345 +/- 90 345 +/- 80 400 +/- 60 520 +/- 95 555 +/- 90 Après 300 feuilles 330 +/- 40 315 +/- 95 280 +/- 95 545 +/- 60 585 +/- 195 Taux force d'extraction / force de déchirure 1,7 2,0 1,6 1,9 1,2 1,3 Taux de réussite du découpage feuille à feuille 100% 100% 100% 100% 99% 99% The Applicant has carried out tests to size the paper roll 3 and the distributor 1 in a preferred embodiment of the invention, here in the context of a central unwinding with the nozzle 9 in the axis of the roll 3, of which the results are reported in the table below. For a paper with two plies of weight 16 g / m 2 each, with a nozzle 9 whose dispensing orifice 10 has a diameter of 7 mm, the Applicant has carried out tests for three perforation rates of different pre-cut, 14% , 16% and 20%, each for two sheet formats ((254x136) mm 2 and (235x146) mm 2 ) and belonging to the parameter ranges of the invention. It then measured, using a dynamometer, the extraction force of the sheets 5 and their tearing force, in centitonton (cN) with the indication of a standard deviation in the table, all of first at the beginning of the roll, when the sheets 5 are close to the cone in the context of a central reeling with the nozzle 9 in the axis, then after 100 sheets have been unwound, after 200 sheets and after 300 sheets. The average ratios between the extraction force and the tear force obtained are quite within the required ranges and very good results are obtained with regard to sheet-fed feeding. Perforation rate of precuts 14% 14% 16% 16% 20% 20% Sheet dimensions (LxW) 254x136 235x146 254x136 235x146 254x136 235x146 Extraction force (cN) Near the cone 645 +/- 75 830 +/- 140 615 +/- 100 835 +/- 70 750 +/- 110 990 +/- 140 After 100 sheets 520 +/- 40 675 +/- 70 575 +/- 90 710 +/- 70 565 +/- 70 770 +/- 230 After 200 sheets 540 +/- 45 650 +/- 75 555 +/- 55 650 +/- 90 520 +/- 40 620 +/- 90 After 300 sheets 540 +/- 50 645 +/- 80 550 +/- 50 465 +/- 75 500 +/- 50 645 +/- 35 Tear strength (cN) Near the cone 355 +/- 80 330 +/- 60 370 +/- 55 370 +/- 85 490 +/- 65 535 +/- 100 After 100 sheets 330 +/- 70 370 +/- 75 380 +/- 75 360 +/- 170 475 +/- 75 620 +/- 80 After 200 sheets 310 +/- 55 345 +/- 90 345 +/- 80 400 +/- 60 520 +/- 95 555 +/- 90 After 300 sheets 330 +/- 40 315 +/- 95 280 +/- 95 545 +/- 60 585 +/- 195 Extraction force / tear force rate 1.7 2.0 1.6 1.9 1.2 1.3 Success rate of cut-sheet 100% 100% 100% 100% 99% 99%

L'invention a été décrite en relation avec un dévidage central, mais il va de soi qu'elle s'applique également à un dévidage latéral. En outre, dans le cas du dévidage central, la buse 9 peut, comme décrit ici, s'étendre en périphérie du boîtier 6, mais aussi dans l'axe du rouleau 3, qui pourrait en l'occurrence être horizontal ou vertical, quelle que soit la forme de réalisation choisie. Par ailleurs, il pourrait éventuellement être prévu un mandrin de soutien du rouleau 3 dans le boîtier 6. Enfin, la buse 9 n'est pas forcément tronconique ; il peut s'agir de tout orifice de distribution calibré.The invention has been described in connection with a central unwinding, but it goes without saying that it also applies to a lateral unwinding. In addition, in the case of central unwinding, the nozzle 9 may, as described here, extend at the periphery of the housing 6, but also in the axis of the roller 3, which could in this case be horizontal or vertical, which whatever the chosen embodiment. Furthermore, it could optionally be provided a support chuck roller 3 in the housing 6. Finally, the nozzle 9 is not necessarily frustoconical; it can be any calibrated dispensing orifice.

Claims (8)

  1. Toilet paper dispenser, comprising a housing (6) with a roll (3) of a toilet paper strip (2), which comprises precuts transverse to the strip defining rectangular paper sheets, the housing (6) comprising a nozzle (9) with a dispensing orifice (10) for dispensing the toilet paper (2), the nozzle (9) having a frustoconical shape, its small-diameter orifice being the dispensing orifice (10) situated outside of the nozzle (9) with respect to the housing (6), characterised in that the nozzle (9) and the width of the toilet paper strip (2) are determined so that the toilet paper sheets are unwound one at a time and emerge with less crumpling, the width of the toilet paper strip (2) being between 125 mm and 180 mm and the diameter of the dispensing orifice (10) of the nozzle (9) being between 6 mm and 8 mm.
  2. Dispenser according to claim 1, wherein the width is between 135 mm and 150 mm.
  3. Dispenser according to either claim 1 or claim 2, wherein the diameter of the dispensing orifice (10) of the nozzle (9) is equal to 7 mm.
  4. Dispenser according to any one of the preceding claims, wherein unwinding takes place from the centre of the roll (3).
  5. Dispenser according to any one of claims 1 to 3, wherein unwinding is lateral.
  6. Dispenser according to any one of claims 1 to 4, wherein the nozzle (9) is on the axis of the roll (3).
  7. Dispenser according to claim 4, wherein the nozzle extends on the periphery of the housing (6).
  8. Dispenser according to any one of the preceding claims, wherein, with the housing (6) being fixed to a support (7), the axis of the roll (3) is perpendicular to this support (7).
EP09290956.3A 2004-07-30 2005-07-21 Toilet paper dispenser Active EP2165634B1 (en)

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PL17181440T PL3260029T3 (en) 2004-07-30 2005-07-21 Toilet paper roll
SI200532205T SI2165634T1 (en) 2004-07-30 2005-07-21 Toilet paper dispenser
PL09290956T PL2165634T3 (en) 2004-07-30 2005-07-21 Toilet paper dispenser
EP17181440.3A EP3260029B1 (en) 2004-07-30 2005-07-21 Toilet paper roll
DK17181440.3T DK3260029T3 (en) 2004-07-30 2005-07-21 Toiletpapirrulle
CY20201100479T CY1122926T1 (en) 2004-07-30 2020-05-26 TOILET PAPER ROLL

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FR0451748A FR2873562B1 (en) 2004-07-30 2004-07-30 TOILET PAPER DISPENSER IN WHICH IS A ROLLER, THE ROLL OF TOILET PAPER AND THE DISPENSER
EP05791034A EP1799083B1 (en) 2004-07-30 2005-07-21 Toilet paper dispenser housing a roll, toilet paper roll and dispenser

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EP05791034.1 Division 2005-07-21

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EP17181440.3A Division EP3260029B1 (en) 2004-07-30 2005-07-21 Toilet paper roll

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EP2165634A3 EP2165634A3 (en) 2010-04-21
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AT (1) ATE463998T1 (en)
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DE (2) DE602005020657D1 (en)
DK (3) DK2165634T3 (en)
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SI2165634T1 (en) 2018-08-31
EP1799083A1 (en) 2007-06-27
FR2873562B1 (en) 2006-11-17
SI3260029T1 (en) 2020-07-31
EP2165634A3 (en) 2010-04-21
MX2007001078A (en) 2007-09-25
HUE049327T2 (en) 2020-09-28
EP1799083B1 (en) 2010-04-14
PL3260029T3 (en) 2020-08-10
LT3260029T (en) 2020-06-25
LT2165634T (en) 2018-04-25
WO2006024733A1 (en) 2006-03-09
US7370826B2 (en) 2008-05-13
ES2796656T3 (en) 2020-11-27
RU2007104376A (en) 2008-09-10
ATE463998T1 (en) 2010-04-15
SI1799083T1 (en) 2010-08-31
CA2576737A1 (en) 2006-03-09
ES2663382T3 (en) 2018-04-12
RU2380023C2 (en) 2010-01-27
PL1799083T3 (en) 2010-09-30
US11206958B2 (en) 2021-12-28
US20080173661A1 (en) 2008-07-24
DK1799083T3 (en) 2010-07-26
PT2165634T (en) 2018-04-19
PT1799083E (en) 2010-07-09
CY1120753T1 (en) 2019-12-11
TR201807683T4 (en) 2018-06-21
HUE037627T2 (en) 2018-09-28
DK2165634T3 (en) 2018-05-07
FR2873562A1 (en) 2006-02-03
DE202005021855U1 (en) 2010-09-23
US20070210203A1 (en) 2007-09-13
ES2344212T3 (en) 2010-08-20
EP2165634A2 (en) 2010-03-24
DE602005020657D1 (en) 2010-05-27
DK3260029T3 (en) 2020-06-02
PT3260029T (en) 2020-05-29
CY1122926T1 (en) 2021-10-29
EP3260029A1 (en) 2017-12-27
EP3260029B1 (en) 2020-04-29
CA2576737C (en) 2013-04-09

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