EP1066787A1 - Paperweb roll dispenser with centre feeding out - Google Patents

Paperweb roll dispenser with centre feeding out Download PDF

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Publication number
EP1066787A1
EP1066787A1 EP99401705A EP99401705A EP1066787A1 EP 1066787 A1 EP1066787 A1 EP 1066787A1 EP 99401705 A EP99401705 A EP 99401705A EP 99401705 A EP99401705 A EP 99401705A EP 1066787 A1 EP1066787 A1 EP 1066787A1
Authority
EP
European Patent Office
Prior art keywords
cutout
housing
passage
distributor according
strip
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
EP99401705A
Other languages
German (de)
French (fr)
Other versions
EP1066787B1 (en
Inventor
Jean-Louis Neveu
Philippe Guillemette
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
Georgia Pacific France SAS
Fort James France
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 Georgia Pacific France SAS, Fort James France filed Critical Georgia Pacific France SAS
Priority to AT99401705T priority Critical patent/ATE290334T1/en
Priority to EP99401705A priority patent/EP1066787B1/en
Priority to DE69924099T priority patent/DE69924099T2/en
Priority to US09/613,306 priority patent/US6328252B1/en
Publication of EP1066787A1 publication Critical patent/EP1066787A1/en
Application granted granted Critical
Publication of EP1066787B1 publication Critical patent/EP1066787B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47KSANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR; TOILET ACCESSORIES
    • A47K10/00Body-drying implements; Toilet paper; Holders therefor
    • A47K10/24Towel 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
    • A47K10/32Dispensers for paper towels or toilet-paper
    • A47K10/34Dispensers for paper towels or toilet-paper dispensing from a web, e.g. with mechanical dispensing means
    • A47K10/38Dispensers 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
    • A47K10/3809Dispensers 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
    • A47K10/3818Dispensers 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

Definitions

  • the present invention relates to a dispenser for individual sheets of paper.
  • the invention relates in particular to a dispenser allowing its user to successively take one or several sheets per unwinding from the center of a product in roll, without mandrel or central core, consisting of several successive sheets forming a rolled up band of which a free end projects outward from the roller from the center of the roll.
  • Such a dispenser is used in particular to obtain sheets of multi-purpose absorbent tissue cellulose.
  • the paper is in the form of a strip wrapped from which to cut the sheets successive.
  • a first technique consists in providing for the outlet of the distributor means which partially block the unwinding of the strip, under the effect of the tensile force which it is applied to it by the user, by means whose edge lower is sharp or sawtooth, so forming sheets by tearing off and / or cutting from of a continuous band.
  • the roll tape is precut, that is to say that it has cutouts regular partial corresponding to consecutive sheets generally of the same length
  • the dispenser comprises, here too, at its bottom means through which pass the pre-cut strip of paper which tighten it to allow the user to separate the sheet he has extracted from the distributor, of the following sheet, exerting an effort additional sudden pull to separate it according to the precut line.
  • a first example of such a distributor is described and represented in document EP-A-0.740.921 in which the closing element of the cutout of the dispensing nozzle is made in one piece at the bottom of the second movable part of the housing and in which the cutout is a narrow vertical slit with parallel edges which opens out vertically up and down in the openings upper inlet and lower outlet of the passage formed in the body of the dispensing nozzle.
  • the slot is narrow and the introduction of the free end section of the strip of a new roll, or of a partially unwound roll, is difficult to achieve without damage the tape, as long as the slot is narrow and insofar as it is necessary to maintain the second movable part of the housing in the high position.
  • the design proposed in this document is broadly similar to that described and analyzed previously, except for the fact that the articulation axis of the second movable part of the housing is a vertical axis.
  • the invention offers a distributor of the type mentioned above, characterized in that the width of the cut in the vicinity of the upper opening is clearly greater than its width at right of the lower outlet opening in which it opens vertically downwards, so that the introduction of said free end of the strip vertically from bottom to top through the cut, then radially towards the axis of the dispensing nozzle.
  • the dispenser 10 shown in particular in Figure 1, consists essentially of a housing 12, by an intermediate piece 14 comprising the nozzle distribution and which is associated with a closing element 16 of its cut, and by a plate 18 which is intended for support a roller 20.
  • the distributor 10 has the function of allowing the progressive unwinding of the roll 20 which is here a roll constituted by a strip 22 of cellulose wadding which is wrapped around a general vertical axis A1.
  • the center of the roller has no core or central mandrel, i.e. it consists of a hole central vertical orientation through which emerges, here vertically downwards, the inner free end 24 of the strip 22.
  • the roller 20 is delimited by a lateral surface external cylindrical 26 and by two transverse faces end including a horizontal lower transverse face 28 of generally annular shape which is visible in FIG. 1.
  • the housing 12 is in the form of two parts made by plastic molding.
  • a first fixed part 30 is formed for essentially by a rear vertical plate 32 and by a plate horizontal bottom 34 constituting a horizontal bottom which is drilled centrally by a substantially circular hole of large size 36.
  • the fixed part 30 allows fixing, by means not represented, of the case 12 on a wall or on a column, by through the rear vertical plate 32, and the fixed part 30 also includes a lower side wall portion 35 in low height cylinder arc.
  • the housing 12 also includes a second movable part 38 forming a closure cover which is constituted for essentially by a U 40 side wall and by a wall transverse front, vertical orientation in closed position of cover 42.
  • the movable part forming the cover 38 is mounted articulated on the fixed part 12 around a horizontal axis of articulation A2 which is arranged in the vicinity of the bottom 34 of the fixed part 12 and in the vicinity of the horizontal lower edges 44 of the wall lateral 40.
  • Means, of course, not shown, are provided. to lock the cover 38 in the upper closed position in which its side wall 40 and its front face 42 cooperate with the rear transverse wall 32 and the bottom 34 to define a closed enclosure in which the roll is received in particular 20.
  • the plate 18 has a peripheral contour of shape complementary to that of the horizontal bottom 34 of the housing 12 and it is sized so that it can be received in the case 12 with the outer peripheral part of its face lower 46 in vertical abutment against the upper face 48 of the bottom 34, the two faces 46 and 48 being in mutual support by gravity when the support plate is in place at the bottom case 12.
  • the support plate 18 has an upper face smooth 50 on which the roller 20 is supported by its face 28 and it is drilled centrally, i.e. it has a central hole of substantially circular outline 52 for the passage, through hole 52, of the free end 24 of the strip 22 of roller 20.
  • the dispensing nozzle 14 is a part molded in plastic of general shape of revolution around the vertical axis A1.
  • the body of the nozzle 14 and the plate 18 constitute a sub-assembly, illustrated in particular in FIGS. 2 and 3, which is placed in the housing 12, the dispensing nozzle 14 then extending vertically downward through the cutout 36 beyond the bottom 34 of the housing 12.
  • the nozzle 14 comprises, generally known, a central passage 62 of generally frustoconical shape and converging vertically downwards.
  • the passage 62 is constituted by the internal wall 64 of a central bowl-shaped part frustoconical 66 which is connected to the skirt 54 by a ferrule of connection 68.
  • Passage 62 is delimited at its upper end by a circular upper opening formed by an edge 70 and, at its lower end, through a lower opening outlet 72 constituted by the cylindrical wall of a section lower free end 74 of cylindrical shape of the bowl 66.
  • the diameter of the lower outlet opening 72 is much smaller than the large diameter of the upper inlet opening 70 of so that the strip 24 which passes through the passage 62 is gradually tightened by the concave frustoconical wall converging 64 so that the entire strip is tight radially towards the axis A1 at the lower opening 72.
  • the internal concave wall 64 of passage 62 is not complete, that is to say that it comprises a cutout 80 in the general form of a slot.
  • the cutting or slot 80 is not with parallel edges, i.e. it is bounded by two opposite edges 82 which widen out vertically from bottom to top and radially from the inside to outside.
  • the projection of the cutout 80 delimited by the edges 82 is in profile substantially triangular.
  • the circumferential extension or width L1 of the slot 80 separating its two opposite edges 82 at the level of the upper opening 70 is of dimension clearly greater than its width L2 at the lower end slot 80, i.e. at the lower opening 72.
  • the slot or cutout 80 opens vertically downwards.
  • the triangle conformation and the dimensioning of the cutout 80 are such that it is possible to pass the strip 24, without tightening or compressing it radially, through the cutout 80, vertically from top to bottom, then introduce it in passage 62, and in particular in the lower opening 72 by then introducing it radially in the direction of the axis A1 in the cutout.
  • the cutout 82 is oriented in a perpendicular vertical plane in the plane of the rear plate 32 of the housing 12, that is to say that the cutout 80 is formed in the rear part of passage 62 facing the wall.
  • the fabric or paper 24 is in contact with a perfectly smooth surface which is not likely to damage it.
  • a closing element 16 to complete the passage 62 of the cut in use position.
  • the closing element 16 is an element attached to the dispensing nozzle 14 which is produced in the form of a molded plastic part overall complementary to that of nozzle 14.
  • the closing part 16 of the blank 80 is mounted articulated with respect to the body of the dispensing nozzle 14 around a horizontal axis of articulation A3 which is parallel to the plane of the vertical bottom 32 of the housing 12, that is to say perpendicular to the mean vertical plane of the cutout 80.
  • the cutout 80 in addition to its function of introduction slot formed in the wall 64 of passage 62, is extended by a cut complementary formed in the skirt 54 and the ferrule 68 which are cut by a vertically oriented recess with edges parallels 90 and 92.
  • edges 90 of the cutout are interconnected by an upper cross member 94 which extends in the same plane as the edge 56.
  • the cross member 94 has at its lower part a half-cylinder hollow, open vertically upwards 96 constituting a housing for a horizontal rod 98 belonging to the closing element 16 constituting the articulation means of the latter, relative to the nozzle 14, around the axis A3.
  • the housing 96 is constituted by two half housings arranged laterally in opposite manner including each receives a lateral end of the rod 98 forming two hinge pins.
  • the element 16 for closing the cutout 80 comprises an active main portion 100 of complementary profile of that of bowl 66 which is delimited laterally by two opposite side edges 102 complementary to edges 82 of the cutout 80 so that, in the high position of use, shown in Figures 2, 3 and 5, this active portion 100 constitutes the complement of bowl 66 to reconstitute a passage 62 in the form of a part or bowl of revolution 66 complete, so as to avoid any escape accidental strip 24 out of passage 62 through cutting 80.
  • the main portion 100 includes a locking finger 106 and positioning which, in the high position of use, is received in two complementary semi-cylindrical housings 108 formed in the underside of the bowl 66 in the vicinity of the cylindrical part 74 (see Figures 2 and 4).
  • the portion 100 of the closing element 16 is extended by two ferrule sections 108 and by a cylindrical skirt section 110 which are respectively complementary to the ferrules 68 of the skirt 54 of the body of the nozzle 14.
  • a reinforcing rib 112 which extends in a plane vertical, connects the active portion 100 to the ring section immediately adjacent which has at its end upper one finger 114 automatic locking of the closing element 16 which, in the position of use and as we can see it in particular in Figure 5, is received in a complementary housing 116 formed by a cup 118 produced formed by molding with the support plate 18.
  • Rib 112 also has an ergonomic shape for facilitate the closing of the element 16.
  • the locking finger 114 in the shape of a beak lock is chamfered so that it comes automatically lock during closing movement of the closing element 16, that is to say when making rotate it clockwise from the position it occupies in Figure 6 to the position it occupies in Figure 5.
  • the hole 52 of contour substantially circular of the support plate 18 comprises, towards the rear, a clearance 120 which allows, after opening the case 12, release the notch 114 to cause the element to open 16 which automatically rotates by gravity around of the A3 axis.
  • Automatic closing and locking of the element 16 can be carried out from the outside of the closed box, that is to say below the latter while having control visual of the correct position of the free end of the strip 24 in passage 22 before the element closes and during closing operation, i.e. without risk of wedge the strip 24 between the cutout 80 and the part active functional 100 of the closing element 16.
  • the design in the form of a subset of the plate 18 and the nozzle 14 which carries its closure element articulated 16, allows the same housing 12 to be used with the cutout 36 in its horizontal bottom 34 for another type of distributor, i.e. for example by replacing the sub-assembly 14-18 by an element comprising a passage of outlet converge vertically downwards with means cutting sheet at the periphery of the lower opening outlet from this passage, for example provided with saw teeth.

Landscapes

  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Closures For Containers (AREA)
  • Adhesive Tape Dispensing Devices (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Sanitary Thin Papers (AREA)
  • Replacement Of Web Rolls (AREA)
  • Feeding And Controlling Fuel (AREA)

Abstract

Inner concave wall (64) of passage (62) comprises slot (80). Width (L1) of slot separating two opposite edges (82) near upper opening (70) is larger than width (L2) of lower end of slot, near lower opening (72). Triangular-shaped slot allows easy passage of paper strip through that slot without being compressed, and introduction through passage and lower opening.

Description

La présente invention concerne un distributeur de feuilles individuelles de papier.The present invention relates to a dispenser for individual sheets of paper.

L'invention concerne notamment un distributeur permettant à son utilisateur de prendre successivement une ou plusieurs feuilles par dévidage à partir du centre d'un produit en rouleau, sans mandrin ou noyau central, constitué de plusieurs feuilles successives formant une bande enroulée dont une extrémité libre se projette vers l'extérieur du rouleau à partir du centre du rouleau.The invention relates in particular to a dispenser allowing its user to successively take one or several sheets per unwinding from the center of a product in roll, without mandrel or central core, consisting of several successive sheets forming a rolled up band of which a free end projects outward from the roller from the center of the roll.

Un tel distributeur est notamment utilisé pour obtenir des feuilles de papier absorbant à usages multiples à base d'ouate de cellulose.Such a dispenser is used in particular to obtain sheets of multi-purpose absorbent tissue cellulose.

Le papier se présente sous la forme d'une bande enroulée à partir de laquelle il faut débiter les feuilles successives.The paper is in the form of a strip wrapped from which to cut the sheets successive.

À cet effet, une première technique consiste à prévoir à la sortie du distributeur des moyens qui bloquent partiellement le dévidage de la bande, sous l'effet de l'effort de traction qui lui est appliqué par l'utilisateur, par des moyens dont le bord inférieur est coupant ou en forme de dents de scie, de manière à former des feuilles par arrachement et/ou découpage à partir d'une bande continue.To this end, a first technique consists in providing for the outlet of the distributor means which partially block the unwinding of the strip, under the effect of the tensile force which it is applied to it by the user, by means whose edge lower is sharp or sawtooth, so forming sheets by tearing off and / or cutting from of a continuous band.

Selon une autre technique, la bande en rouleau est prédécoupée, c'est-à-dire qu'elle comporte des découpes partielles régulières correspondant à des feuilles consécutives généralement de même longueur, et le distributeur comporte, ici aussi, à sa partie inférieure des moyens à travers lesquels passe la bande de papier prédécoupée qui la serrent pour permettre à l'utilisateur de séparer la feuille qu'il a extraite du distributeur, de la feuille suivante, en exerçant un effort brusque de traction supplémentaire pour la séparer selon la ligne de prédécoupe.According to another technique, the roll tape is precut, that is to say that it has cutouts regular partial corresponding to consecutive sheets generally of the same length, and the dispenser comprises, here too, at its bottom means through which pass the pre-cut strip of paper which tighten it to allow the user to separate the sheet he has extracted from the distributor, of the following sheet, exerting an effort additional sudden pull to separate it according to the precut line.

À cet effet, on a déjà proposé un distributeur du type comportant :

  • un boítier de distributeur comportant une première partie fixe et une seconde partie mobile montée articulée par rapport à la partie fixe entre une position ouverte de rechargement du distributeur et une position fermée dans laquelle elle délimite, avec la première partie, un logement supérieur de stockage en position verticale du rouleau à dévider ;
  • une plaque inférieure, portée par la partie fixe du boítier, qui supporte verticalement une extrémité axiale inférieure du rouleau et qui comporte un trou de passage de la bande ;
  • et une buse fixe de distribution qui est disposée en dessous de la plaque support, qui délimite un passage, de forme générale tronconique, convergent vers le bas, dont l'ouverture supérieure d'entrée est sensiblement dans le prolongement du trou de la plaque support, pour guider la bande vers son ouverture inférieure de sortie de diamètre réduit, et qui comporte une découpe, en forme générale de fente, d'orientation générale verticale qui s'étend entre les ouvertures supérieures d'entrée et inférieure de sortie pour faciliter l'introduction de l'extrémité libre de la bande d'un rouleau dans le passage de la buse de distribution.
To this end, a distributor of the type has already been proposed comprising:
  • a dispenser housing comprising a first fixed part and a second movable part mounted articulated with respect to the fixed part between an open position for reloading the distributor and a closed position in which it defines, with the first part, an upper housing for storage in vertical position of the roll to be unwound;
  • a lower plate, carried by the fixed part of the housing, which vertically supports a lower axial end of the roller and which has a hole for passage of the strip;
  • and a fixed dispensing nozzle which is disposed below the support plate, which delimits a passage, of generally frustoconical shape, converging downwards, the upper inlet opening of which is substantially in the extension of the hole in the support plate , to guide the strip towards its lower outlet opening of reduced diameter, and which comprises a cut, generally in the form of a slot, of generally vertical orientation which extends between the upper inlet and lower outlet openings to facilitate the introduction of the free end of the strip of a roller into the passage of the dispensing nozzle.

Un premier exemple d'un tel distributeur est décrit et représenté dans le document EP-A-0.740.921 dans lequel l'élément de fermeture de la découpe de la buse de distribution est réalisé en une seule pièce à la partie inférieure de la seconde partie mobile du boítier et dans lequel la découpe est une fente verticale étroite à bords parallèles qui débouche verticalement vers le haut et vers le bas dans les ouvertures supérieures d'entrée et inférieure de sortie du passage formé dans le corps de la buse de distribution.A first example of such a distributor is described and represented in document EP-A-0.740.921 in which the closing element of the cutout of the dispensing nozzle is made in one piece at the bottom of the second movable part of the housing and in which the cutout is a narrow vertical slit with parallel edges which opens out vertically up and down in the openings upper inlet and lower outlet of the passage formed in the body of the dispensing nozzle.

Une telle conception présente de nombreux inconvénients. Such a design presents many disadvantages.

Tout d'abord, la fente est étroite et l'introduction du tronçon d'extrémité libre de la bande d'un nouveau rouleau, ou d'un rouleau partiellement dévidé, est difficile à réaliser, sans endommager la bande, dans la mesure où la fente est étroite et dans la mesure où il est nécessaire de maintenir la seconde partie mobile du boítier en position haute.First, the slot is narrow and the introduction of the free end section of the strip of a new roll, or of a partially unwound roll, is difficult to achieve without damage the tape, as long as the slot is narrow and insofar as it is necessary to maintain the second movable part of the housing in the high position.

De plus, lors de la fermeture du boítier par basculement verticalement vers le bas de sa seconde partie mobile, la fermeture de la découpe par l'élément de fermeture intégré à la partie mobile du boítier s'effectue « en aveugle », c'est-à-dire qu'il existe un risque important que la personne chargée du remplacement du rouleau coince la bande dans la fente d'introduction par l'intermédiaire de l'élément de fermeture.In addition, when closing the case by tilting vertically down from its second movable part, the closure of the cutout by the closure element integrated in the mobile part of the case is carried out "blind", that is to say that there is a significant risk that the person responsible for replacing the roller jams the strip in the slot introduction via the closure element.

Par ailleurs, en cours d'utilisation, on constate que la bande de papier qui passe à travers le passage de la buse, frotte en continu contre la partie de la paroi interne du passage convergent qui est découpée et complétée par l'élément de fermeture, c'est-à-dire que la bande frotte contre une paroi qui n'est pas parfaitement lisse et continue avec un risque important, si l'ajustement des deux pièces n'est pas parfait, d'endommager la bande de papier.Furthermore, during use, it can be seen that the strip of paper which passes through the passage of the nozzle, rubs continuously against the part of the internal wall of the passage convergent which is cut out and completed by the element of closure, that is to say that the strip rubs against a wall which is not perfectly smooth and continuous with a risk important, if the fit of the two pieces is not perfect, damage the paper strip.

Un autre exemple d'un tel distributeur selon l'état de la technique est décrit et représenté dans la demande de brevet américain numéro USSN08/732,014 déposée le 16 octobre 1996.Another example of such a distributor according to the state of the technique is described and represented in the patent application US number USSN08 / 732,014 filed October 16 1996.

La conception proposée dans ce document est globalement analogue à celle décrite et analysée précédemment, à l'exception du fait que l'axe d'articulation de la seconde partie mobile du boítier est un axe vertical.The design proposed in this document is broadly similar to that described and analyzed previously, except for the fact that the articulation axis of the second movable part of the housing is a vertical axis.

Cette conception présente la plupart des inconvénients mentionnés précédemment à l'égard de celle décrite et représenté dans le document EP-A-0.740.921.This design has most of the disadvantages previously mentioned with respect to that described and represented in document EP-A-0.740.921.

Afin de remédier à ces inconvénients, l'invention propose un distributeur du type mentionné précédemment, caractérisé en ce que la largeur de la découpe au voisinage de l'ouverture supérieure est nettement supérieure à sa largeur au droit de l'ouverture inférieure de sortie dans laquelle elle débouche verticalement vers le bas, de manière à permettre l'introduction de ladite extrémité libre de la bande verticalement de bas en haut à travers la découpe, puis radialement vers l'axe de la buse de distribution.In order to remedy these drawbacks, the invention offers a distributor of the type mentioned above, characterized in that the width of the cut in the vicinity of the upper opening is clearly greater than its width at right of the lower outlet opening in which it opens vertically downwards, so that the introduction of said free end of the strip vertically from bottom to top through the cut, then radially towards the axis of the dispensing nozzle.

Selon d'autres caractéristiques de l'invention :

  • la découpe est formée dans une partie du passage qui est située vers un fond vertical arrière de la partie fixe du boítier par lequel ce dernier est fixé sur un mur ou sur un support, de manière que, en utilisation, le tronçon de la bande qui passe verticalement à travers la buse de distribution coopère avec une portion non découpée de la paroi interne du passage ;
  • la buse de distribution comporte un élément de fermeture de la découpe, de forme complémentaire de cette dernière, qui est monté articulé par rapport au corps de la buse de distribution entre une position d'utilisation dans laquelle la découpe est fermée et dans laquelle le passage est délimité par une paroi interne continue, et une position de rechargement dans laquelle il est escamoté pour dégager la découpe en vue de l'introduction de l'extrémité libre de la bande ;
  • l'élément de fermeture de la découpe est monté articulé par rapport au corps de la buse de distribution autour d'un axe supérieur horizontal situé verticalement sensiblement au droit de l'ouverture supérieure d'entrée de la buse de distribution, et l'élément de fermeture de la découpe est monté basculant entre une position haute d'utilisation et une position basse de rechargement ;
  • l'axe d'articulation de l'élément de fermeture de la découpe est décalé radialement vers l'extérieur par rapport au tronçon du bord de l'ouverture supérieure d'entrée du passage qui comporte, de manière à provoquer le basculement par gravité de l'élément de fermeture de la découpe depuis sa position haute d'utilisation vers sa position basse de rechargement ;
  • le distributeur comporte des moyens de verrouillage automatique de l'élément de fermeture de la découpe en position d'utilisation ;
  • les moyens de verrouillage automatique de l'élément de fermeture de la découpe comportent une patte de verrouillage automatique, déformable élastiquement, qui comporte un bec d'accrochage qui coopère avec un cran complémentaire de la plaque de support du rouleau ;
  • les moyens de verrouillage automatique de l'élément de fermeture de la découpe comportent un doigt de verrouillage et de positionnement agencé à l'extrémité libre inférieure de l'élément de fermeture de la découpe qui, en position d'utilisation, est reçu dans un logement complémentaire du corps de la buse de distribution ;
  • la première partie fixe du boítier comporte un fond horizontal inférieur percé à travers lequel la buse de distribution s'étend verticalement vers le bas, de manière à donner accès, depuis l'extérieur du boítier, à l'élément de fermeture de la découpe en vue de sa manipulation entre ses positions d'utilisation et de rechargement ;
  • le corps de la buse de distribution est fixé sous la face inférieure de la plaque de support du rouleau pour constituer un sous-ensemble qui prend appui verticalement vers le bas, par la périphérie extérieure de la plaque de support, contre une portion en vis-à-vis de la face supérieure du fond horizontal de la première partie fixe du boítier ;
  • le corps de la buse de distribution comporte, à son extrémité supérieure périphérique, des moyens du type à baïonnette pour son montage et sa fixation sous la face inférieure de la plaque de support du rouleau ;
  • la première partie fixe du boítier comporte une plaque verticale arrière de fixation et un fond horizontal inférieur, et l'ensemble des autres parois du boítier appartiennent à la seconde partie mobile du boítier qui est montée articulée sur la première partie fixe du boítier autour d'un axe horizontal d'articulation agencé en partie inférieure du boítier.
According to other characteristics of the invention:
  • the cutout is formed in a part of the passage which is situated towards a rear vertical bottom of the fixed part of the housing by which the latter is fixed to a wall or to a support, so that, in use, the section of the strip which passes vertically through the dispensing nozzle cooperates with an uncut portion of the internal wall of the passage;
  • the dispensing nozzle comprises a closure element for the cutout, of a shape complementary to the latter, which is mounted articulated with respect to the body of the dispensing nozzle between a position of use in which the cutout is closed and in which the passage is delimited by a continuous internal wall, and a reloading position in which it is retracted to release the cutout for the introduction of the free end of the strip;
  • the closure element of the cutout is mounted articulated with respect to the body of the dispensing nozzle around an upper horizontal axis situated vertically substantially in line with the upper inlet opening of the dispensing nozzle, and the element closing the cutout is mounted tilting between a high position of use and a low position of reloading;
  • the axis of articulation of the closure element of the cutout is offset radially outwards relative to the section of the edge of the upper opening opening of the passage which comprises, so as to cause the tilting by gravity of the closing element of the blank from its high position of use towards its low position of reloading;
  • the dispenser includes means for automatically locking the closure element of the blank in the use position;
  • the automatic locking means of the closure element of the cutout comprise an automatic locking tab, elastically deformable, which comprises a hooking spout which cooperates with a notch complementary to the support plate of the roller;
  • the means for automatically locking the closing element of the blank comprises a locking and positioning finger arranged at the lower free end of the closing closing element which, in the position of use, is received in a complementary housing of the body of the dispensing nozzle;
  • the first fixed part of the housing has a lower horizontal bottom pierced through which the dispensing nozzle extends vertically downward, so as to give access, from outside the housing, to the closure element of the cutout view of its manipulation between its positions of use and recharging;
  • the body of the dispensing nozzle is fixed under the underside of the support plate of the roller to form a sub-assembly which bears vertically downwards, by the external periphery of the support plate, against a face portion vis-à-vis the upper face of the horizontal bottom of the first fixed part of the housing;
  • the body of the dispensing nozzle comprises, at its peripheral upper end, means of the bayonet type for its mounting and fixing under the underside of the roller support plate;
  • the first fixed part of the housing has a rear vertical fixing plate and a lower horizontal bottom, and all of the other walls of the housing belong to the second movable part of the housing which is hinged on the first fixed part of the housing around a horizontal axis of articulation arranged in the lower part of the housing.

D'autres caractéristiques et avantages de l'invention apparaítront à la lecture de la description détaillée qui va suivre pour la compréhension de laquelle on se reportera aux dessins annexés dans lesquels :

  • la figure 1 est une vue en perspective éclatée des principaux composants d'un distributeur selon l'invention avec la partie mobile du boítier formant capot de fermeture qui est représentée en position ouverte de rechargement ;
  • la figure 2 est une vue en perspective de dessous et à plus grande échelle qui illustre le sous-ensemble constitué par la plaque de support et la buse de distribution avec l'élément de fermeture de la découpe de cette dernière qui est représenté verrouillé en position haute d'utilisation ;
  • la figure 3 est une vue partielle similaire à celle de la figure 2 sur laquelle le sous-ensemble est illustré en perspective en vue de dessus, c'est-à-dire depuis l'intérieur de la buse de distribution ;
  • la figure 4 est une vue en perspective de dessous de la buse de distribution avec l'élément de fermeture de la découpe de cette dernière qui est représenté en position basse de rechargement ; et
  • les figures 5 et 6 sont des vues en section verticale, par un plan perpendiculaire à l'axe d'articulation de l'élément de fermeture de la découpe, qui représentent le sous-ensemble illustré respectivement aux figures 2 et 4.
Other characteristics and advantages of the invention will appear on reading the detailed description which follows for the understanding of which reference will be made to the appended drawings in which:
  • Figure 1 is an exploded perspective view of the main components of a dispenser according to the invention with the movable part of the housing forming a closure cover which is shown in the open reloading position;
  • Figure 2 is a perspective view from below and on a larger scale which illustrates the sub-assembly consisting of the support plate and the dispensing nozzle with the closure element of the cutout of the latter which is shown locked in position high use;
  • Figure 3 is a partial view similar to that of Figure 2 in which the sub-assembly is illustrated in perspective in top view, that is to say from the inside of the dispensing nozzle;
  • Figure 4 is a perspective view from below of the dispensing nozzle with the closure element of the cutout thereof which is shown in the low reloading position; and
  • FIGS. 5 and 6 are views in vertical section, through a plane perpendicular to the articulation axis of the closure element of the blank, which represent the subassembly illustrated in FIGS. 2 and 4 respectively.

Dans la description qui va suivre, on utilisera les termes vertical, horizontal, supérieur, inférieur, avant, arrière, etc. en référence aux figures pour faciliter la compréhension de la description, mais à titre non limitatif de l'invention.In the following description, we will use the terms vertical, horizontal, upper, lower, front, rear, etc. in reference to figures to facilitate understanding of the description, but without limitation of the invention.

Le distributeur 10 selon l'invention, représenté notamment à la figure 1, est constitué pour l'essentiel par un boítier 12, par une pièce intermédiaire 14 comportant la buse de distribution et qui est associé à un élément 16 de fermeture de sa découpe, et par une plaque 18 qui est destinée à supporter un rouleau 20.The dispenser 10 according to the invention, shown in particular in Figure 1, consists essentially of a housing 12, by an intermediate piece 14 comprising the nozzle distribution and which is associated with a closing element 16 of its cut, and by a plate 18 which is intended for support a roller 20.

Le distributeur 10 a en effet pour fonction de permettre le dévidage progressif du rouleau 20 qui est ici un rouleau constitué par une bande 22 en ouate de cellulose qui est enroulée autour d'un axe général vertical A1.The distributor 10 has the function of allowing the progressive unwinding of the roll 20 which is here a roll constituted by a strip 22 of cellulose wadding which is wrapped around a general vertical axis A1.

Le centre du rouleau ne comporte pas de mandrin ou de mandrin central, c'est à dire qu'il est constitué par un trou central d'orientation verticale par lequel sort, ici verticalement vers le bas, l'extrémité libre intérieure 24 de la bande 22.The center of the roller has no core or central mandrel, i.e. it consists of a hole central vertical orientation through which emerges, here vertically downwards, the inner free end 24 of the strip 22.

Le rouleau 20 est délimité par une surface latérale externe cylindrique 26 et par deux faces transversales d'extrémité dont une face transversale inférieure horizontale 28 de forme générale annulaire qui est visible à la figure 1.The roller 20 is delimited by a lateral surface external cylindrical 26 and by two transverse faces end including a horizontal lower transverse face 28 of generally annular shape which is visible in FIG. 1.

Le boítier 12 se présente sous la forme de deux parties réalisées par moulage en matière plastique.The housing 12 is in the form of two parts made by plastic molding.

Une première partie fixe 30 est constituée pour l'essentiel par une plaque verticale arrière 32 et par une plaque inférieure horizontale 34 constituant un fond horizontal qui est percé centralement par un trou sensiblement circulaire de grande dimension 36.A first fixed part 30 is formed for essentially by a rear vertical plate 32 and by a plate horizontal bottom 34 constituting a horizontal bottom which is drilled centrally by a substantially circular hole of large size 36.

La partie fixe 30 permet la fixation, par des moyens non représentés, du boítier 12 sur un mur ou sur une colonne, par l'intermédiaire de la plaque verticale arrière 32, et la partie fixe 30 comporte aussi une portion inférieure de paroi latérale 35 en arc de cylindre de faible hauteur.The fixed part 30 allows fixing, by means not represented, of the case 12 on a wall or on a column, by through the rear vertical plate 32, and the fixed part 30 also includes a lower side wall portion 35 in low height cylinder arc.

Le boítier 12 comporte aussi une seconde partie mobile 38 formant capot de fermeture qui est constituée pour l'essentiel par une paroi latérale en U 40 et par une paroi transversale avant, d'orientation verticale en position fermée du couvercle 42.The housing 12 also includes a second movable part 38 forming a closure cover which is constituted for essentially by a U 40 side wall and by a wall transverse front, vertical orientation in closed position of cover 42.

La partie mobile formant capot 38 est montée articulée sur la partie fixe 12 autour d'un axe horizontal d'articulation A2 qui est agencée au voisinage du fond 34 de la partie fixe 12 et au voisinage des bords inférieurs horizontaux 44 de la paroi latérale 40.The movable part forming the cover 38 is mounted articulated on the fixed part 12 around a horizontal axis of articulation A2 which is arranged in the vicinity of the bottom 34 of the fixed part 12 and in the vicinity of the horizontal lower edges 44 of the wall lateral 40.

Comme on peut le voir à la figure 1, en position ouverte du capot 38, celui-ci s'étend verticalement entièrement en dessous de la partie fixe 12 en dégageant entièrement la partie supérieure du boítier sans encombrer l'environnement de ce dernier.As can be seen in Figure 1, in the open position of the cover 38, it extends vertically entirely in below the fixed part 12 by completely releasing the part upper case without cluttering the environment of this latest.

Il est bien entendu prévu des moyens, non représentés, pour verrouiller le capot 38 en position supérieure fermée dans laquelle sa paroi latérale 40 et sa face avant 42 coopèrent avec la paroi transversale arrière 32 et le fond 34 pour délimiter une enceinte fermée dans laquelle est notamment reçu le rouleau 20.Means, of course, not shown, are provided. to lock the cover 38 in the upper closed position in which its side wall 40 and its front face 42 cooperate with the rear transverse wall 32 and the bottom 34 to define a closed enclosure in which the roll is received in particular 20.

La plaque 18 présente un contour périphérique de forme complémentaire de celui du fond horizontal 34 du boítier 12 et elle est dimensionnée de manière à pouvoir être reçue dans le boítier 12 avec la partie périphérique extérieure de sa face inférieure 46 en appui vertical contre la face supérieure 48 du fond 34, les deux faces 46 et 48 étant en appui mutuel par gravité lorsque la plaque de support est en place dans le fond du boítier 12.The plate 18 has a peripheral contour of shape complementary to that of the horizontal bottom 34 of the housing 12 and it is sized so that it can be received in the case 12 with the outer peripheral part of its face lower 46 in vertical abutment against the upper face 48 of the bottom 34, the two faces 46 and 48 being in mutual support by gravity when the support plate is in place at the bottom case 12.

La plaque de support 18 présente une face supérieure lisse 50 sur laquelle le rouleau 20 est en appui par sa face 28 et elle est percée centralement, c'est à dire qu'elle comporte un trou central de contour sensiblement circulaire 52 pour le passage, à travers le trou 52, de l'extrémité libre 24 de la bande 22 du rouleau 20. The support plate 18 has an upper face smooth 50 on which the roller 20 is supported by its face 28 and it is drilled centrally, i.e. it has a central hole of substantially circular outline 52 for the passage, through hole 52, of the free end 24 of the strip 22 of roller 20.

La buse de distribution 14 est une pièce moulée en matière plastique de forme générale de révolution autour de l'axe vertical A1.The dispensing nozzle 14 is a part molded in plastic of general shape of revolution around the vertical axis A1.

Elle comporte une jupe annulaire cylindrique périphérique 54 dont le bord supérieur en forme de collerette horizontale 56 comporte ici trois ergots radiaux 58 qui appartiennent à des moyens de fixation du type à baïonnette de la buse 14 sous la plaque de support 18, ces moyens comportant en outre des crans complémentaires 60 formés sous la face inférieure 46 de la plaque 18.It has a cylindrical annular skirt peripheral 54 whose upper edge in the form of a collar horizontal 56 here has three radial pins 58 which belong to fixing means of the bayonet type of the nozzle 14 under the support plate 18, these means further comprising complementary notches 60 formed under the underside 46 of the plate 18.

Grâce à leur assemblage par les moyens du type à baïonnette, le corps de la buse 14 et la plaque 18 constituent un sous-ensemble, illustré notamment aux figures 2 et 3, qui est mis en place dans le boítier 12, la buse de distribution 14 s'étendant alors verticalement vers le bas à travers la découpe 36 au-delà du fond 34 du boítier 12.Thanks to their assembly by means of the type to bayonet, the body of the nozzle 14 and the plate 18 constitute a sub-assembly, illustrated in particular in FIGS. 2 and 3, which is placed in the housing 12, the dispensing nozzle 14 then extending vertically downward through the cutout 36 beyond the bottom 34 of the housing 12.

La buse 14 comporte, de manière générale connue, un passage central 62 de forme générale tronconique et convergente d'orientation verticale vers le bas.The nozzle 14 comprises, generally known, a central passage 62 of generally frustoconical shape and converging vertically downwards.

Plus précisément, le passage 62 est constitué par la paroi interne 64 d'une partie centrale en forme de cuvette tronconique 66 qui est reliée à la jupe 54 par une virole de raccordement 68.More specifically, the passage 62 is constituted by the internal wall 64 of a central bowl-shaped part frustoconical 66 which is connected to the skirt 54 by a ferrule of connection 68.

Le passage 62 est délimité à son extrémité supérieure par une ouverture supérieure circulaire constituée par un bord 70 et, à son extrémité inférieure, par une ouverture inférieure de sortie 72 constituée par la paroi cylindrique d'un tronçon d'extrémité libre inférieure 74 de forme cylindrique de la cuvette 66.Passage 62 is delimited at its upper end by a circular upper opening formed by an edge 70 and, at its lower end, through a lower opening outlet 72 constituted by the cylindrical wall of a section lower free end 74 of cylindrical shape of the bowl 66.

Selon un agencement général connu, le diamètre de l'ouverture inférieure de sortie 72 est nettement inférieur au grand diamètre de l'ouverture supérieure d'entrée 70 de manière que la bande 24 qui passe à travers le passage 62 soit resserrée progressivement par la paroi tronconique concave convergente 64 pour que l'ensemble de la bande soit serré radialement vers l'axe A1 au niveau de l'ouverture inférieure 72.According to a known general arrangement, the diameter of the lower outlet opening 72 is much smaller than the large diameter of the upper inlet opening 70 of so that the strip 24 which passes through the passage 62 is gradually tightened by the concave frustoconical wall converging 64 so that the entire strip is tight radially towards the axis A1 at the lower opening 72.

Conformément à l'invention, la paroi concave interne 64 du passage 62 n'est pas complète, c'est à dire qu'elle comporte une découpe 80 en forme générale de fente.According to the invention, the internal concave wall 64 of passage 62 is not complete, that is to say that it comprises a cutout 80 in the general form of a slot.

Conformément à un aspect de l'invention, la découpe ou fente 80 n'est pas à bords parallèles, c'est à dire qu'elle est délimitée par deux bords opposés 82 qui vont en s'évasant verticalement de bas en haut et radialement de l'intérieur vers l'extérieur.In accordance with one aspect of the invention, the cutting or slot 80 is not with parallel edges, i.e. it is bounded by two opposite edges 82 which widen out vertically from bottom to top and radially from the inside to outside.

Ainsi, que soit en vue de dessus selon l'axe A1, ou en vue latérale selon la direction "D" de la figure 6, la projection de la découpe 80 délimitée par les bords 82 est de profil sensiblement triangulaire.Thus, whether in top view along the axis A1, or in side view in direction "D" of Figure 6, the projection of the cutout 80 delimited by the edges 82 is in profile substantially triangular.

Ainsi, l'extension circonférencielle ou largeur L1 de la fente 80 séparant ses deux bords opposés 82 au niveau de l'ouverture supérieure 70 est de dimension nettement supérieure à sa largeur L2 au niveau de l'extrémité inférieure de la fente 80, c'est à dire au niveau de l'ouverture inférieure 72.Thus, the circumferential extension or width L1 of the slot 80 separating its two opposite edges 82 at the level of the upper opening 70 is of dimension clearly greater than its width L2 at the lower end slot 80, i.e. at the lower opening 72.

Comme on peut le voir sur les figures, la fente ou découpe 80 est débouchante verticalement vers le bas.As can be seen in the figures, the slot or cutout 80 opens vertically downwards.

La conformation en triangle et le dimensionnement de la découpe 80 sont tels qu'il est possible de faire passer la bande 24, sans la serrer ni la comprimer radialement, à travers la découpe 80, verticalement de haut en bas, puis de l'introduire dans le passage 62, et notamment dans l'ouverture inférieure 72 en l'introduisant alors radialement en direction de l'axe A1 dans la découpe.The triangle conformation and the dimensioning of the cutout 80 are such that it is possible to pass the strip 24, without tightening or compressing it radially, through the cutout 80, vertically from top to bottom, then introduce it in passage 62, and in particular in the lower opening 72 by then introducing it radially in the direction of the axis A1 in the cutout.

Du fait de la conception selon l'invention, il est possible de mettre en place le rouleau 20 sur la plaque support 18 puis de fermer le boítier 12 et de tirer ensuite, à travers la découpe 80, la bande 24 pour la faire passer verticalement de bas en haut dans la découpe et l'introduire dans le passage 62, et ceci depuis la face inférieure du boítier 12 à travers laquelle, grâce à la découpe 36, s'étend verticalement vers le bas la buse de distribution 14.Due to the design according to the invention, it is possible to put the roller 20 on the support plate 18 then to close the box 12 and then to pull, through the cutout 80, the strip 24 to pass it vertically from bottom to high in the cutout and introduce it in passage 62, and this from the underside of the housing 12 through which, thanks at cutout 36, extends vertically downwards the nozzle distribution 14.

Conformément à une caractéristique de l'invention, la découpe 82 est orientée dans un plan vertical perpendiculaire au plan de la plaque arrière 32 du boítier 12, c'est à dire que la découpe 80 est formée dans la partie arrière du passage 62 tournée vers le mur.In accordance with a characteristic of the invention, the cutout 82 is oriented in a perpendicular vertical plane in the plane of the rear plate 32 of the housing 12, that is to say that the cutout 80 is formed in the rear part of passage 62 facing the wall.

En utilisation, lorsqu'un consommateur tire sur l'extrémité libre 24 de la bande 22 du rouleau 20 qui passe à travers le passage 62, il le fait vers l'avant, c'est à dire vers lui, ou légèrement latéralement mais jamais vers l'arrière. Ainsi, la bande 24 est toujours en contact de frottement avec la paroi interne concave convergente 64 de la buse de distribution 14, c'est à dire avec une surface continue sans découpe, tandis que la partie découpée est à l'opposé vers l'arrière.In use, when a consumer pulls on the free end 24 of the strip 22 of the roller 20 which passes to through passage 62, it does so towards the front, that is towards it, or slightly laterally but never backwards. So the strip 24 is still in frictional contact with the wall concave converging internal 64 of the dispensing nozzle 14, i.e. with a continuous surface without cutting, while that the cut out part is opposite backwards.

Ainsi, tout au long de la traction, le tissu ou papier 24 est en contact avec une surface parfaitement lisse qui n'est pas susceptible de l'endommager.So, throughout the pull, the fabric or paper 24 is in contact with a perfectly smooth surface which is not likely to damage it.

Conformément à un autre aspect de l'invention, il est prévu un élément 16 de fermeture pour compléter le passage 62 de la découpe en position d'utilisation.According to another aspect of the invention, it is provided with a closing element 16 to complete the passage 62 of the cut in use position.

L'élément de fermeture 16 est un élément rapporté sur la buse de distribution 14 qui est réalisée sous la forme d'une pièce moulée en matière plastique de forme globalement complémentaire de celle de la buse 14.The closing element 16 is an element attached to the dispensing nozzle 14 which is produced in the form of a molded plastic part overall complementary to that of nozzle 14.

La pièce de fermeture 16 de la découpe 80 est montée articulée par rapport au corps de la buse de distribution 14 autour d'un axe horizontal d'articulation A3 qui est parallèle au plan du fond vertical 32 du boítier 12, c'est à dire perpendiculaire au plan vertical moyen de la découpe 80.The closing part 16 of the blank 80 is mounted articulated with respect to the body of the dispensing nozzle 14 around a horizontal axis of articulation A3 which is parallel to the plane of the vertical bottom 32 of the housing 12, that is to say perpendicular to the mean vertical plane of the cutout 80.

Comme on peut le voir sur les figures, la découpe 80, outre sa fonction de fente d'introduction formée dans la paroi 64 du passage 62, se prolonge par une découpe complémentaire formée dans la jupe 54 et la virole 68 qui sont découpées par un évidement d'orientation verticale à bords parallèles 90 et 92.As can be seen in the figures, the cutout 80, in addition to its function of introduction slot formed in the wall 64 of passage 62, is extended by a cut complementary formed in the skirt 54 and the ferrule 68 which are cut by a vertically oriented recess with edges parallels 90 and 92.

Afin de conférer une rigidité suffisante au corps de la buse 14, les bords 90 de la découpe sont reliés entre eux par une traverse supérieure 94 qui s'étend dans le même plan que le bord 56.In order to give sufficient rigidity to the body of the nozzle 14, the edges 90 of the cutout are interconnected by an upper cross member 94 which extends in the same plane as the edge 56.

La traverse 94 comporte à sa partie inférieure un demi-cylindre creux, ouvert verticalement vers le haut 96 constituant un logement pour une tige horizontale 98 appartenant à l'élément de fermeture 16 constituant les moyens d'articulations de ce dernier, par rapport à la buse 14, autour de l'axe A3.The cross member 94 has at its lower part a half-cylinder hollow, open vertically upwards 96 constituting a housing for a horizontal rod 98 belonging to the closing element 16 constituting the articulation means of the latter, relative to the nozzle 14, around the axis A3.

Plus précisément, le logement 96 est constitué par deux demi logements agencés latéralement de manière opposée dont chacun reçoit une extrémité latérale de la tige 98 formant deux pions d'articulation.More specifically, the housing 96 is constituted by two half housings arranged laterally in opposite manner including each receives a lateral end of the rod 98 forming two hinge pins.

L'élément 16 de fermeture de la découpe 80 comporte une portion principale active 100 de profil complémentaire de celui de la cuvette 66 qui est délimitée latéralement par deux bords latéraux opposés 102 complémentaires des bords 82 de la découpe 80 de manière que, en position haute d'utilisation, représentée aux figures 2, 3 et 5, cette portion active 100 constitue le complément de la cuvette 66 pour reconstituer un passage 62 sous la forme d'une pièce ou cuvette de révolution 66 complète, et ceci de manière à éviter tout échappement accidentel de la bande 24 hors du passage 62 par la découpe 80.The element 16 for closing the cutout 80 comprises an active main portion 100 of complementary profile of that of bowl 66 which is delimited laterally by two opposite side edges 102 complementary to edges 82 of the cutout 80 so that, in the high position of use, shown in Figures 2, 3 and 5, this active portion 100 constitutes the complement of bowl 66 to reconstitute a passage 62 in the form of a part or bowl of revolution 66 complete, so as to avoid any escape accidental strip 24 out of passage 62 through cutting 80.

A son extrémité libre inférieure 104 de faible largeur, la portion principale 100 comporte un doigt de verrouillage 106 et de positionnement qui, en position haute d'utilisation, est reçu dans deux logements complémentaires semi-cylindriques 108 formés dans la face inférieure de la cuvette 66 au voisinage de la partie cylindrique 74 (voir figures 2 et 4). At its lower free end 104 of small width, the main portion 100 includes a locking finger 106 and positioning which, in the high position of use, is received in two complementary semi-cylindrical housings 108 formed in the underside of the bowl 66 in the vicinity of the cylindrical part 74 (see Figures 2 and 4).

Pour son raccordement à sa tige d'articulation 98, la portion 100 de l'élément de fermeture 16 se prolonge par deux tronçons de virole 108 et par un tronçon de jupe cylindrique 110 qui sont respectivement complémentaires des viroles 68 de la jupe 54 du corps de la buse 14.For its connection to its articulation rod 98, the portion 100 of the closing element 16 is extended by two ferrule sections 108 and by a cylindrical skirt section 110 which are respectively complementary to the ferrules 68 of the skirt 54 of the body of the nozzle 14.

Une nervure 112 de renfort, qui s'étend dans un plan vertical, relie la portion active 100 au tronçon de virole immédiatement adjacent qui comporte à son extrémité supérieure un doigt 114 de verrouillage automatique de l'élément de fermeture 16 qui, en position d'utilisation et comme on peut le voir notamment à la figure 5, est reçu dans un logement complémentaire 116 formé par un godet 118 réalisé venu de matière par moulage avec la plaque support 18.A reinforcing rib 112, which extends in a plane vertical, connects the active portion 100 to the ring section immediately adjacent which has at its end upper one finger 114 automatic locking of the closing element 16 which, in the position of use and as we can see it in particular in Figure 5, is received in a complementary housing 116 formed by a cup 118 produced formed by molding with the support plate 18.

La nervure 112 a aussi une forme ergonomique pour faciliter la fermeture de l'élément 16.Rib 112 also has an ergonomic shape for facilitate the closing of the element 16.

Le doigt de verrouillage 114 en forme de bec de verrouillage est chanfreiné de manière qu'il vienne se verrouiller automatiquement lors du mouvement de fermeture de l'élément de fermeture 16, c'est à dire lorsque l'on fait pivoter ce dernier dans le sens horaire depuis la position qu'il occupe à la figure 6 jusqu'à la position qu'il occupe à la figure 5.The locking finger 114 in the shape of a beak lock is chamfered so that it comes automatically lock during closing movement of the closing element 16, that is to say when making rotate it clockwise from the position it occupies in Figure 6 to the position it occupies in Figure 5.

Pour accéder aux moyens de verrouillage constitués par le bec 114, en vue de permettre le basculement, dans le sens anti-horaire autour de son axe A3 en considérant la figure 5, de l'élément de fermeture 16, le trou 52 de contour sensiblement circulaire de la plaque de support 18 comporte, vers l'arrière, un dégagement 120 qui permet, après ouverture du boítier 12, de dégager le cran 114 pour provoquer l'ouverture de l'élément de fermeture 16 qui pivote automatiquement par gravité autour de l'axe A3.To access the locking means constituted by the spout 114, in order to allow tilting, in the direction anti-clockwise around its axis A3 considering figure 5, of the closing element 16, the hole 52 of contour substantially circular of the support plate 18 comprises, towards the rear, a clearance 120 which allows, after opening the case 12, release the notch 114 to cause the element to open 16 which automatically rotates by gravity around of the A3 axis.

Ce pivotement automatique est obtenu du fait que l'axe A3 est décalé radialement vers l'extérieur tandis que le principal de sa masse, et donc son centre de gravité, est décalé radialement vers l'intérieur en direction de l'axe A1.This automatic pivoting is obtained from the fact that the axis A3 is offset radially outward while the main of its mass, and therefore its center of gravity, is offset radially inward towards the axis A1.

La fermeture et le verrouillage automatique de l'élément 16 peuvent être effectués depuis l'extérieur du boítier fermé, c'est à dire en dessous de ce dernier tout en ayant un contrôle visuel de la position correcte de l'extrémité libre de la bande 24 dans le passage 22 avant la fermeture de l'élément et au cours de la manoeuvre de fermeture, c'est à dire sans risques de coincer la bande 24 entre la découpe 80 et la partie fonctionnelle active 100 de l'élément de fermeture 16.Automatic closing and locking of the element 16 can be carried out from the outside of the closed box, that is to say below the latter while having control visual of the correct position of the free end of the strip 24 in passage 22 before the element closes and during closing operation, i.e. without risk of wedge the strip 24 between the cutout 80 and the part active functional 100 of the closing element 16.

La conception sous la forme d'un sous-ensemble de la plaque 18 et de la buse 14 qui porte son élément de fermeture articulé 16, permet d'utiliser le même boítier 12 avec la découpe 36 dans son fond horizontal 34 pour un autre type de distributeur, c'est à dire par exemple en remplaçant le sous-ensemble 14-18 par un élément comportant un passage de sortie convergent verticalement vers le bas avec des moyens de découpe de la feuille à la périphérie de l'ouverture inférieure de sortie de ce passage, par exemple muni de dents de scie.The design in the form of a subset of the plate 18 and the nozzle 14 which carries its closure element articulated 16, allows the same housing 12 to be used with the cutout 36 in its horizontal bottom 34 for another type of distributor, i.e. for example by replacing the sub-assembly 14-18 by an element comprising a passage of outlet converge vertically downwards with means cutting sheet at the periphery of the lower opening outlet from this passage, for example provided with saw teeth.

Claims (12)

Distributeur (10) de feuilles individuelles par dévidage à partir du centre d'un produit en rouleau (20), sans mandrin central, constitué de plusieurs feuilles successives formant une bande (22) enroulée dont une extrémité libre (24) se projette vers l'extérieur du rouleau à partir dudit centre, du type comportant : un boítier (30) de distributeur comportant une première partie fixe (32) et une seconde partie mobile (38) montée articulée par rapport à la partie fixe entre une position ouverte de rechargement du distributeur et une position fermée dans laquelle elle délimite, avec la première partie (30), un logement supérieur de stockage en position verticale du rouleau à dévider ; une plaque inférieure (18) portée par la partie fixe (30) du boítier, qui supporte verticalement une extrémité axiale inférieure du rouleau et qui comporte un trou (52) de passage de la bande (22, 24) ; et une buse fixe (14) de distribution qui est disposée en dessous de la plaque support, qui délimite un passage (62), de forme générale tronconique, convergent vers le bas, dont l'ouverture supérieure d'entrée (70) est sensiblement dans le prolongement du trou (52) de la plaque support, pour guider la bande (22,24) vers son ouverture inférieure de sortie (72) de diamètre réduit, et qui comporte une découpe (80), en forme générale de fente, d'orientation générale verticale qui s'étend entre les ouvertures supérieures d'entrée (70) et inférieure de sortie (72) pour faciliter l'introduction de l'extrémité libre (24) de la bande d'un rouleau dans le passage (62) de la buse de distribution (14) ; caractérisé en ce que la largeur (L1) de la découpe (80) au voisinage de l'ouverture supérieure (70) est nettement supérieure à sa largeur (L2) au droit de l'ouverture inférieure de sortie (72) dans laquelle elle débouche verticalement vers le bas, de manière à permettre l'introduction de l'extrémité libre (24) de la bande (22) verticalement de bas en haut à travers la découpe (80), puis radialement vers l'axe (A1) de la buse de distribution (14).Distributor (10) of individual sheets by unwinding from the center of a roll product (20), without central mandrel, consisting of several successive sheets forming a strip (22) wound, one free end (24) of which projects towards the exterior of the roll from said center, of the type comprising: a distributor housing (30) comprising a first fixed part (32) and a second movable part (38) mounted articulated with respect to the fixed part between an open position for reloading the distributor and a closed position in which it delimits, with the first part (30), an upper storage housing in vertical position of the roll to be unwound; a lower plate (18) carried by the fixed part (30) of the housing, which vertically supports a lower axial end of the roller and which has a hole (52) for passage of the strip (22, 24); and a fixed dispensing nozzle (14) which is arranged below the support plate, which delimits a passage (62), of generally frustoconical shape, converging downwards, the upper inlet opening (70) of which is substantially in the extension of the hole (52) of the support plate, to guide the strip (22,24) towards its lower outlet opening (72) of reduced diameter, and which includes a cutout (80), generally in the form of a slot, of generally vertical orientation which extends between the upper inlet (70) and lower outlet (72) openings to facilitate the introduction of the free end (24) of the strip of a roller into the passage ( 62) of the dispensing nozzle (14); characterized in that the width (L1) of the cutout (80) in the vicinity of the upper opening (70) is significantly greater than its width (L2) in line with the lower outlet opening (72) into which it opens vertically downward, so as to allow the introduction of the free end (24) of the strip (22) vertically from bottom to top through the cutout (80), then radially towards the axis (A1) of the dispensing nozzle (14). Distributeur selon la revendication précédente, caractérisé en ce que la découpe (80) est formée dans une partie du passage qui est située vers un fond vertical arrière (32) de la partie fixe (30) du boítier (12) par lequel ce dernier est fixé sur un mur ou sur un support, de manière que, en utilisation, le tronçon de la bande qui passe verticalement à travers la buse de distribution (14) coopère avec une portion non découpée de la paroi interne (64) du passage (62).Distributor according to the preceding claim, characterized in that the cutout (80) is formed in a part of the passage which is situated towards a rear vertical bottom (32) of the fixed part (30) of the housing (12) by which the latter is fixed on a wall or on a support, so that, in use, the section of the tape which passes vertically to through the dispensing nozzle (14) cooperates with a portion not cut from the internal wall (64) of the passage (62). Distributeur selon l'une quelconque des revendications précédentes, caractérisé en ce que la buse de distribution (14) comporte un élément (16) de fermeture de la découpe (80), de forme complémentaire de cette dernière, qui est montée articulée (A3) par rapport au corps de la buse de distribution (14) entre une position d'utilisation dans laquelle la découpe (80) est fermée et dans laquelle le passage (62) est délimité par une paroi interne continue, et une position de rechargement dans laquelle il est escamoté pour dégager la découpe (80) en vue de l'introduction de l'extrémité libre (24) de la bande (22).Distributor according to any of previous claims, characterized in that the nozzle distribution (14) comprises an element (16) for closing the cutout (80), of complementary shape to the latter, which is hinged (A3) relative to the body of the nozzle distribution (14) between a position of use in which the cutout (80) is closed and in which the passage (62) is delimited by a continuous internal wall, and a position of reloading in which it is retracted to release the cutout (80) for the introduction of the free end (24) of the strip (22). Distributeur selon la revendication précédente, caractérisé en ce que l'élément de fermeture (16) de la découpe (80) est monté articulé par rapport au corps de la buse de distribution (14) autour d'un axe supérieur horizontal (A3) situé verticalement sensiblement au droit de l'ouverture supérieure d'entrée (70) de la buse de distribution, et en ce que l'élément de fermeture (16) de la découpe (80) est monté basculant entre une position haute d'utilisation et une position basse de rechargement. Distributor according to the preceding claim, characterized in that the closing element (16) of the cutout (80) is mounted articulated relative to the body of the nozzle distribution (14) around a horizontal upper axis (A3) located vertically substantially to the right of the opening upper inlet (70) of the dispensing nozzle, and in that the closing element (16) of the cutout (80) is mounted toggling between a high position of use and a position reload bass. Distributeur selon la revendication précédente, caractérisé en ce que l'axe (A3) d'articulation de l'élément de fermeture (16) de la découpe (80) est décalé radialement vers l'extérieur par rapport au tronçon du bord de l'ouverture supérieure d'entrée du passage qu'il comporte, de manière à provoquer le basculement par gravité de l'élément de fermeture de la découpe depuis sa position haute d'utilisation vers sa position basse de rechargement.Distributor according to the preceding claim, characterized in that the axis (A3) of articulation of the element of closure (16) of the cutout (80) is offset radially towards the outside with respect to the section of the edge of the opening upper entrance to the passage which it comprises, so as to cause the closure element to tilt by gravity cutting from its high position of use towards its low recharging position. Distributeur selon l'une quelconque des revendications 3 à 5, caractérisé en ce qu'il comporte des moyens (106,108,114,116) de verrouillage automatique de l'élément de fermeture (16) de la découpe en position d'utilisation.Distributor according to any of Claims 3 to 5, characterized in that it comprises means (106,108,114,116) for automatic locking of the closing element (16) of the cutout in position of use. Distributeur selon la revendication précédente, caractérisé en ce que lesdits moyens de verrouillage automatique de l'élément de fermeture (16) de la découpe (80) comportent une patte de verrouillage automatique, déformable élastiquement, qui comporte un bec d'accrochage (114) qui coopère avec un cran complémentaire (116,118) de la plaque (18) de support du rouleau (20).Distributor according to the preceding claim, characterized in that said locking means automatic closing element (16) of the cutout (80) have an automatic, deformable locking tab elastically, which has a hooking spout (114) which cooperates with a complementary notch (116,118) of the plate (18) for supporting the roller (20). Distributeur selon l'une des revendications 6 ou 7, caractérisé en ce que les moyens de verrouillage automatique de l'élément de fermeture de la découpe comportent un doigt de verrouillage et de positionnement (106) agencé à l'extrémité libre inférieure de l'élément de fermeture (16,100) de la découpe (80) qui, en position d'utilisation, est reçu dans un logement complémentaire (108) du corps (66,74) de la buse de distribution (14).Distributor according to one of claims 6 or 7, characterized in that the automatic locking means of the closure element of the cutout have a finger locking and positioning (106) arranged at the end lower free of the closing element (16,100) of the cutout (80) which, in the position of use, is received in a complementary housing (108) of the body (66,74) of the nozzle distribution (14). Distributeur selon l'une quelconque des revendications 3 à 8, caractérisé en ce que la première partie fixe (30) du boítier comporte un fond horizontal inférieur (34) percé (36) à travers lequel la buse de distribution (14) s'étend verticalement vers le bas, de manière à donner accès, depuis l'extérieur du boítier, à l'élément (16) de fermeture de la découpe (80) en vue de sa manipulation entre ses positions d'utilisation et de rechargement.Distributor according to any of claims 3 to 8, characterized in that the first part fixed (30) of the housing has a lower horizontal bottom (34) hole (36) through which the dispensing nozzle (14) extends vertically downwards, so as to give access from the exterior of the housing, to the element (16) for closing the cutout (80) for manipulation between its positions of use and recharging. Distributeur selon la revendication précédente, caractérisé en ce que le corps de la buse de distribution (14) est fixée sous la face inférieure (46) de la plaque (18) de support du rouleau (20) pour constituer un sous-ensemble qui prend appui verticalement vers le bas, par la périphérie extérieure de la plaque de support, contre une portion en vis-à-vis de la face supérieure (48) du fond horizontal (34) de la première partie fixe (30) du boítier.Distributor according to the preceding claim, characterized in that the body of the dispensing nozzle (14) is fixed under the underside (46) of the plate (18) of roller support (20) to form a sub-assembly which is supported vertically downwards, from the periphery outside of the support plate, against a facing portion of the upper face (48) of the horizontal bottom (34) of the first fixed part (30) of the housing. Distributeur selon la revendication précédente, caractérisé en ce que le corps de la buse de distribution comporte, à son extrémité supérieure périphérique, des moyens du type à baïonnette pour son montage et sa fixation sous la face inférieure (46) de la plaque de support (18) du rouleau (20).Distributor according to the preceding claim, characterized in that the body of the dispensing nozzle comprises, at its upper peripheral end, means bayonet type for mounting and fixing under the underside (46) of the roller support plate (18) (20). Distributeur selon l'une quelconque des revendications précédentes, caractérisé en ce que la première partie fixe du boítier (30) comporte une plaque verticale arrière de fixation (32) et un fond horizontal inférieur (34), et en ce que l'ensemble des autres parois (40,42) du boítier appartiennent à la seconde partie mobile (38) du boítier qui est montée articulée sur la première partie fixe du boítier autour d'un axe horizontal d'articulation (A2) agencé en partie inférieure du boítier.Distributor according to any of previous claims, characterized in that the first fixed part of the housing (30) has a rear vertical plate of fixing (32) and a lower horizontal bottom (34), and in that all the other walls (40,42) of the housing belong to the second movable part (38) of the housing which is mounted articulated on the first fixed part of the housing around an axis horizontal joint (A2) arranged in the lower part of the housing.
EP99401705A 1999-07-08 1999-07-08 Paperweb roll dispenser with centre feeding out Expired - Lifetime EP1066787B1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
AT99401705T ATE290334T1 (en) 1999-07-08 1999-07-08 ROLL PAPER DISPENSER WITH CENTRAL INTERNAL EXHAUST
EP99401705A EP1066787B1 (en) 1999-07-08 1999-07-08 Paperweb roll dispenser with centre feeding out
DE69924099T DE69924099T2 (en) 1999-07-08 1999-07-08 Roll paper dispenser with central internal trigger
US09/613,306 US6328252B1 (en) 1999-07-08 2000-07-10 Dispenser of paper sheets in roll form with central unwinding

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP99401705A EP1066787B1 (en) 1999-07-08 1999-07-08 Paperweb roll dispenser with centre feeding out

Publications (2)

Publication Number Publication Date
EP1066787A1 true EP1066787A1 (en) 2001-01-10
EP1066787B1 EP1066787B1 (en) 2005-03-09

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Application Number Title Priority Date Filing Date
EP99401705A Expired - Lifetime EP1066787B1 (en) 1999-07-08 1999-07-08 Paperweb roll dispenser with centre feeding out

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Country Link
US (1) US6328252B1 (en)
EP (1) EP1066787B1 (en)
AT (1) ATE290334T1 (en)
DE (1) DE69924099T2 (en)

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Also Published As

Publication number Publication date
DE69924099D1 (en) 2005-04-14
DE69924099T2 (en) 2006-04-13
ATE290334T1 (en) 2005-03-15
US6328252B1 (en) 2001-12-11
EP1066787B1 (en) 2005-03-09

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