EP4192316A1 - Device for dispensing paper towels - Google Patents

Device for dispensing paper towels

Info

Publication number
EP4192316A1
EP4192316A1 EP21758751.8A EP21758751A EP4192316A1 EP 4192316 A1 EP4192316 A1 EP 4192316A1 EP 21758751 A EP21758751 A EP 21758751A EP 4192316 A1 EP4192316 A1 EP 4192316A1
Authority
EP
European Patent Office
Prior art keywords
roller
cutting
cutting edge
projection
support
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.)
Pending
Application number
EP21758751.8A
Other languages
German (de)
French (fr)
Inventor
Christophe Bizzini
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.)
Sci Services Sa
Original Assignee
Sci Services Sa
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 Sci Services Sa filed Critical Sci Services Sa
Publication of EP4192316A1 publication Critical patent/EP4192316A1/en
Pending legal-status Critical Current

Links

Classifications

    • 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
    • A47K10/36—Dispensers for paper towels or toilet-paper dispensing from a web, e.g. with mechanical dispensing means with mechanical dispensing, roll switching or cutting devices
    • A47K10/3631—The cutting devices being driven manually
    • A47K10/3643—The cutting devices being driven manually by pulling the paper
    • 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
    • A47K10/36—Dispensers for paper towels or toilet-paper dispensing from a web, e.g. with mechanical dispensing means with mechanical dispensing, roll switching or cutting devices
    • A47K10/3631—The cutting devices being driven manually
    • A47K2010/365—Triggering mechanism for the blade

Definitions

  • the invention relates to the dispensing of paper towels.
  • It relates more specifically to the distribution of towels obtained by cutting a strip of paper.
  • the applicant's patent EP 0 930 039 B1 describes and claims a device for dispensing paper towels from a continuous strip, comprising a casing receiving a feed and cutting mechanism and provided with an internal slot serving as a strip exit, said mechanism comprising a blade mounted on a feed and cut roller and a blade fixedly mounted, and positioned to interfere with said blade supported by said roller, said blades being mounted and structured so as to obtain, during cutting, a punctiform contact between a rigid blade and a flexible blade.
  • This device is characterized in that it comprises at least one pair of rigid blades and at least one pair of flexible blades, the two blades located on the roller being separated by a groove in which is positioned a rib formed on the inner face of the housing, and whose shape and arrangement are adapted to deflect the strip towards the outlet slot.
  • the present invention notably offers the advantage of overcoming the problems described in the previous chapter.
  • a device for dispensing paper towels from a continuous strip comprising a feed and cutting mechanism, said mechanism comprising a cutting roller and a support for said roller, the roller comprising at least one cutting edge s 'extending over substantially its entire length, with the exception of at least one space preferably disposed towards the middle of the edge, the roll holder also has a cutting edge, said edges being arranged so as to obtain, during the cutting, a punctiform contact between them, the device further comprising a projection support, fixed to the roller support, comprising at least one projection whose shape and arrangement are adapted to cross said space and to move the strip away from the external surface of the roll.
  • the device is disposed inside a casing provided with a slot through which the paper towels are extracted. It should however be noted that unlike the device of the state of the art described in patent EP 0 930 039 B1, the use of a casing is not necessary to ensure the operation of the device, this thanks to the fact that the projection and its support are directly attached to the roller support.
  • the cutting edge of the roller is formed of two blades separated by said space.
  • the cutting edge of the roller can be formed from a single blade.
  • the space is formed by a recess along the edge, the recess the depth of which must be sufficient to prevent retention of the projection during rotation of the roller.
  • AI like I cutting edge of the roller, I cutting edge of the roller support can be formed is formed of two blades, separated or not by a slot.
  • At least one of the two cutting edges has a V-shape. If the tip of the V has a space between the blades, the rotation of the roller has the effect of not completely separating the first towel from the next. The user must therefore exert a slight traction on the first towel in order to dispose of it. This configuration has the effect of preventing the towel from accidentally falling on the ground, following the rotation of the roller.
  • the projection support is a plate, the surface of which conforms to part of the outer surface of the roller.
  • the plate thus forms a shield which eliminates the risk of being injured by the cutting edge of the roller.
  • the projection support can however have any other shape, eg that of a simple rod whose ends are fixed to the roller support.
  • the projection can have any geometry and be made of any material as long as it makes it possible to obtain the desired effect, namely to move the strip away from the external surface of the roll once that the cut has been made.
  • Figure 1 Example of a distributor according to the invention (exploded view, in perspective, front side).
  • Figure 2 Distributor of figure 1 (exploded view, in perspective, from above)
  • Figure 3 Distributor of figure 1 (perspective view, rear side)
  • the dispenser illustrated in these figures comprises a feed and cutting mechanism which comprises a cutting roller 2 and a roller support consisting of two lateral elements 3.5 fixed to the ends of an elongated element 4 containing a semi-cylindrical space in which the roller 2 is housed.
  • the roller 2 comprises a cutting edge 6, formed by two blades 11,12, which extends over practically its entire length, with the exception of at least one space 7 arranged towards the middle of the edge 6.
  • the elongated element 4 comprises a cutting edge 8, V-shaped, which is defined by two blades 13,14.
  • the cutting edges 6.8 are arranged so as to obtain during cutting a punctiform contact between them.
  • the device also comprises a projection support 9, fixed to the side elements 3.5 of the roller support.
  • the projection support 9 comprises a projection 10, the shape and arrangement of which are adapted to cross said space 7.
  • the roller is driven in rotation and the cutting edges 6.8 come into contact at one point, thus ensuring a progressive cutting of the strip 1, starting from its edges.
  • the strip 1 then contacts the projection 10, the arrangement and shape of which have the effect of moving the strip away from the roll, while maintaining an attachment zone between the cut-out part and the rest of the strip 1. user to pull very lightly on the cut-out part to detach it from the rest of the strip 1.
  • the invention is not limited to the example illustrated and to the variants previously described.

Abstract

The invention relates to a device for dispensing paper towels from a continuous strip (1), comprising a feeding and cutting mechanism, said mechanism comprising a cutting roller (2) and a bracket (3, 4, 5) for the roller (2), the roller (2) having at least one cutting edge (6) extending over substantially its entire length, except for at least one gap (7) preferably arranged towards the middle of the edge (6), the roller bracket (3, 4, 5) also having a cutting edge (8), said edges (6, 8) being arranged so as to obtain, during cutting, a punctiform contact between them, the device further comprising a projection bracket (9), attached to the roller bracket (3, 4, 5), having at least one projection (10) with a shape and arrangement that are suitable for passing through the gap (7) and for moving the strip (1) away from the outer surface of the roller (2).

Description

Dispositif de distribution de serviettes en papier Paper towel dispensing device
Domaine de l'invention Field of the invention
L'invention concerne la distribution de serviettes en papier. The invention relates to the dispensing of paper towels.
Elle concerne plus précisément la distribution de serviettes obtenues par découpe d'une bande de papier. It relates more specifically to the distribution of towels obtained by cutting a strip of paper.
Etat de la technique State of the art
Le brevet de la demanderesse EP 0 930 039 B1 décrit et revendique un dispositif de distribution de serviettes en papier à partir d'une bande continue, comportant un carter recevant un mécanisme d'alimentation et de découpe et muni d'une fente intérieure servant de sortie de bande, ledit mécanisme comportant une lame montée sur un rouleau d'alimentation et de découpe et une lame montée de manière fixe, et positionnée pour interférer avec ladite lame supportée par ledit rouleau, lesdites lames étant montées et structurées de manière à obtenir, pendant la découpe, un contact punctiforme entre une lame rigide et une lame souple. Ce dispositif se caractérise en ce qu'il comprend au moins une paire de lames rigides et au moins une paire de lames souples, les deux lames situées sur le rouleau étant séparées par une gorge à dans laquelle est positionnée une nervure formée sur la face intérieure du carter, et dont la forme et la disposition sont adaptées pour dévier la bande vers la fente de sortie. The applicant's patent EP 0 930 039 B1 describes and claims a device for dispensing paper towels from a continuous strip, comprising a casing receiving a feed and cutting mechanism and provided with an internal slot serving as a strip exit, said mechanism comprising a blade mounted on a feed and cut roller and a blade fixedly mounted, and positioned to interfere with said blade supported by said roller, said blades being mounted and structured so as to obtain, during cutting, a punctiform contact between a rigid blade and a flexible blade. This device is characterized in that it comprises at least one pair of rigid blades and at least one pair of flexible blades, the two blades located on the roller being separated by a groove in which is positioned a rib formed on the inner face of the housing, and whose shape and arrangement are adapted to deflect the strip towards the outlet slot.
Bien que ce dispositif offre déjà de nombreux avantages, il souffre cependant de certains inconvénients, notamment : Although this device already offers many advantages, it nevertheless suffers from certain disadvantages, in particular:
Usure rapide de la nervure par frottement avec la paire de lames qui sont fixées au rouleau, Rapid wear of the rib by friction with the pair of blades which are fixed to the roller,
Dépendance fonctionnelle entre le carter et l'ensemble formé du rouleau et de son support, Functional dependence between the casing and the assembly formed by the roller and its support,
Mouvements relatifs entre le support du rouleau et la nervure, Risque de se blesser au contact des lames fixées au rouleau, en particulier lors de l'introduction d'une nouvelle bande de papier. Relative movements between the roller support and the rib, Risk of injury from contact with the blades attached to the roller, especially when inserting a new strip of paper.
Description générale de l'invention General description of the invention
La présente invention offre notamment l'avantage de remédier aux problèmes décrits dans le chapitre précédent. The present invention notably offers the advantage of overcoming the problems described in the previous chapter.
Elle concerne un dispositif de distribution de serviettes en papier à partir d'une bande continue, comportant un mécanisme d'alimentation et de découpe, ledit mécanisme comprenant un rouleau de découpe et un support dudit rouleau, le rouleau comportant au moins une arête coupante s'étendant sur pratiquement sur toute sa longueur, à l'exception d'au moins un espace disposé de préférence vers le milieu de l'arête, le support de rouleau également une arête coupante, lesdites arêtes étant disposées de manière à obtenir, pendant la découpe, un contact punctiforme entre elles, le dispositif comprenant en outre un support de saillie, fixé au support de rouleau, comportant au moins une saillie dont la forme et la disposition sont adaptées pour traverser ledit espace et pour éloigner la bande de la surface externe du rouleau. It relates to a device for dispensing paper towels from a continuous strip, comprising a feed and cutting mechanism, said mechanism comprising a cutting roller and a support for said roller, the roller comprising at least one cutting edge s 'extending over substantially its entire length, with the exception of at least one space preferably disposed towards the middle of the edge, the roll holder also has a cutting edge, said edges being arranged so as to obtain, during the cutting, a punctiform contact between them, the device further comprising a projection support, fixed to the roller support, comprising at least one projection whose shape and arrangement are adapted to cross said space and to move the strip away from the external surface of the roll.
De préférence, le dispositif est disposé à l'intérieur d'un carter muni d'une fente au travers de laquelle les serviettes de papier sont extraites. Il convient cependant de relever que contrairement au dispositif de l'état de la technique décrit dans le brevet EP 0 930 039 Bl, l'utilisation d'un carter n'est pas nécessaire pour assurer le fonctionnement du dispositif, ceci grâce au fait que la saillie et son support sont directement fixés au support du rouleau. Preferably, the device is disposed inside a casing provided with a slot through which the paper towels are extracted. It should however be noted that unlike the device of the state of the art described in patent EP 0 930 039 B1, the use of a casing is not necessary to ensure the operation of the device, this thanks to the fact that the projection and its support are directly attached to the roller support.
Avantageusement, l'arête coupante du rouleau est formée de deux lames séparées par ledit espace. Advantageously, the cutting edge of the roller is formed of two blades separated by said space.
Alternativement, l'arête coupante du rouleau peut être formée d'une lame unique. Dans ce cas, l'espace est formé par un décrochement le long de l'arête, décrochement dont la profondeur doit être suffisante pour éviter une retenue de la saillie lors de la rotation du rouleau. A I instar de I arete coupante du rouleau, I arete coupante du support de rouleau peut etre formée est formée de deux lames, séparées ou non par une fente. Alternatively, the cutting edge of the roller can be formed from a single blade. In this case, the space is formed by a recess along the edge, the recess the depth of which must be sufficient to prevent retention of the projection during rotation of the roller. AI like I cutting edge of the roller, I cutting edge of the roller support can be formed is formed of two blades, separated or not by a slot.
De préférence, au moins une des deux arêtes coupantes a une forme en V. Si la pointe du V comporte un espace entre les lames, la rotation du rouleau a pour effet de ne pas séparer entièrement la première serviette de la suivante. L'utilisateur doit donc exercer une légère traction sur la première serviette pour pouvoir en disposer. Cette configuration a pour effet d'éviter que la serviette tombe accidentellement sur le sol, consécutivement à la rotation du rouleau. Preferably, at least one of the two cutting edges has a V-shape. If the tip of the V has a space between the blades, the rotation of the roller has the effect of not completely separating the first towel from the next. The user must therefore exert a slight traction on the first towel in order to dispose of it. This configuration has the effect of preventing the towel from accidentally falling on the ground, following the rotation of the roller.
Avantageusement, le support de saillie est une plaque dont la surface épouse une partie de la surface externe du rouleau. La plaque forme ainsi un bouclier qui élimine le risque d'être blessé par l'arête coupante du rouleau. Advantageously, the projection support is a plate, the surface of which conforms to part of the outer surface of the roller. The plate thus forms a shield which eliminates the risk of being injured by the cutting edge of the roller.
Le support de saillie peut cependant avoir n'importe quelle autre forme, p.ex. celle d'une simple tige dont les extrémités sont fixées au support de rouleau. The projection support can however have any other shape, eg that of a simple rod whose ends are fixed to the roller support.
On relèvera enfin que la saillie peut avoir n'importe quelle géométrie et être constituée de n'importe quel matériau dès lors qu'elle permet d'obtenir l'effet désiré, à savoir d'éloigner la bande de la surface externe du rouleau une que la découpe a été réalisée. Finally, it will be noted that the projection can have any geometry and be made of any material as long as it makes it possible to obtain the desired effect, namely to move the strip away from the external surface of the roll once that the cut has been made.
Description détaillée de l'invention Detailed description of the invention
L'invention est décrite de manière plus détaillée dans ce chapitre, notamment au moyen d'un exemple et de figures qui sont brièvement résumées comme suit : The invention is described in more detail in this chapter, in particular by means of an example and figures which are briefly summarized as follows:
Figure 1 : Exemple de distributeur selon l'invention (vue éclatée, en perspective, côté avant). Figure 2 : Distributeur de la figure 1 (vue éclatée, en perspective, de dessus) Figure 1: Example of a distributor according to the invention (exploded view, in perspective, front side). Figure 2: Distributor of figure 1 (exploded view, in perspective, from above)
Figure 3 : Distributeur de la figure 1 (vue en perspective, côté arrière) Figure 3: Distributor of figure 1 (perspective view, rear side)
Le distributeur illustré sur ces figures comprend un mécanisme d'alimentation et de découpe qui comporte un rouleau de découpe 2 et un support de rouleau constitué de deux éléments latéraux 3,5 fixés aux extrémités d'un élément allongé 4 contenant un espace semi-cylindrique dans lequel se loge le rouleau 2. Le rouleau 2 comporte une arête coupante 6, formée de deux lames 11,12, qui s'étend sur pratiquement sur toute sa longueur, à l'exception d'au moins un espace 7 disposé vers le milieu de l'arête 6. L'élément allongé 4 comprend une arête coupante 8, en forme de V, qui est définie par deux lames 13,14. Les arêtes coupantes 6,8 sont disposées de manière à obtenir pendant la découpe un contact punctiforme entre elles. Le dispositif comprend également un support de saillie 9, fixé aux éléments latéraux 3,5 du support de rouleau. Le support de saillie 9 comporte une saillie 10 dont la forme et la disposition sont adaptées pour traverser ledit espace 7. Lorsqu'un utilisateur tire sur la bande 1, vers le bas (voir figure 3), le rouleau est entraîné en rotation et les arêtes coupantes 6,8 se contactent en un point, assurant de la sorte une découpe progressive de la bande 1, à partir de ses bords. La bande 1 contacte ensuite la saillie 10 dont la disposition et la forme ont pour effet d'éloigner la bande du rouleau, tout en maintenant une zone d'attache entre la partie découpée et le reste de la bande 1. Il suffit alors à l'utilisateur d'exercer une très légère traction sur la partie découpée pour la détacher du reste de la bande 1. The dispenser illustrated in these figures comprises a feed and cutting mechanism which comprises a cutting roller 2 and a roller support consisting of two lateral elements 3.5 fixed to the ends of an elongated element 4 containing a semi-cylindrical space in which the roller 2 is housed. The roller 2 comprises a cutting edge 6, formed by two blades 11,12, which extends over practically its entire length, with the exception of at least one space 7 arranged towards the middle of the edge 6. The elongated element 4 comprises a cutting edge 8, V-shaped, which is defined by two blades 13,14. The cutting edges 6.8 are arranged so as to obtain during cutting a punctiform contact between them. The device also comprises a projection support 9, fixed to the side elements 3.5 of the roller support. The projection support 9 comprises a projection 10, the shape and arrangement of which are adapted to cross said space 7. When a user pulls the strip 1 downwards (see FIG. 3), the roller is driven in rotation and the cutting edges 6.8 come into contact at one point, thus ensuring a progressive cutting of the strip 1, starting from its edges. The strip 1 then contacts the projection 10, the arrangement and shape of which have the effect of moving the strip away from the roll, while maintaining an attachment zone between the cut-out part and the rest of the strip 1. user to pull very lightly on the cut-out part to detach it from the rest of the strip 1.
L'invention ne se limite pas à l'exemple illustré et aux variantes précédemment décrites. The invention is not limited to the example illustrated and to the variants previously described.

Claims

Revendications Claims
1. Dispositif de distribution de serviettes en papier à partir d'une bande continue (1), comportant un mécanisme d'alimentation et de découpe, ledit mécanisme comprenant un rouleau de découpe (2) et un support (3,4,5) dudit rouleau (2), le rouleau (2) comportant au moins une arête coupante (6) s'étendant sur pratiquement sur toute sa longueur, à l'exception d'au moins un espace (7) disposé de préférence vers le milieu de l'arête (6), le support de rouleau (3,4,5) également une arête coupante (8), lesdites arêtes (6,8) étant disposées de manière à obtenir, pendant la découpe, un contact punctiforme entre elles, le dispositif comprenant en outre un support de saillie (9), fixé au support de rouleau (3,4,5), comportant au moins une saillie (10) dont la forme et la disposition sont adaptées pour traverser ledit espace (7) et pour éloigner la bande (1) de la surface externe du rouleau (2). 1. Device for dispensing paper towels from a continuous web (1), comprising a feeding and cutting mechanism, said mechanism comprising a cutting roller (2) and a support (3,4,5) said roller (2), the roller (2) comprising at least one cutting edge (6) extending over substantially its entire length, with the exception of at least one space (7) preferably disposed towards the middle of the edge (6), the roller support (3,4,5) also a cutting edge (8), said edges (6,8) being arranged so as to obtain, during cutting, a punctiform contact between them, the device further comprising a projection support (9), fixed to the roller support (3,4,5), comprising at least one projection (10) whose shape and arrangement are adapted to pass through said space (7) and to move the strip (1) away from the outer surface of the roller (2).
2. Dispositif selon la revendication 1 dans lequel l'arête coupante du rouleau (6) est formée de deux lames (11,12) séparées par ledit espace (7). 2. Device according to claim 1 wherein the cutting edge of the roller (6) is formed of two blades (11,12) separated by said space (7).
3. Dispositif selon la revendication 1 dans lequel l'arête coupante du rouleau (6) est formée d'une lame unique, ledit espace étant formé par un décrochement le long de l'arête coupante. 3. Device according to claim 1 wherein the cutting edge of the roller (6) is formed of a single blade, said space being formed by a recess along the cutting edge.
4. Dispositif selon l'une quelconque des revendications précédentes dans lequel l'arête coupante du support de rouleau (8) est formée de deux lames (13,14) séparées ou non par une fente. 4. Device according to any one of the preceding claims wherein the cutting edge of the roller support (8) is formed of two blades (13,14) separated or not by a slot.
5. Dispositif selon l'une quelconque des revendications précédentes dans lequel au moins une des deux arêtes coupantes (6,8) a une forme en V. 5. Device according to any one of the preceding claims, in which at least one of the two cutting edges (6,8) has a V-shape.
6. Dispositif selon l'une quelconque des revendications précédentes dans lequel le support de saillie (9) est une plaque dont la surface épouse une partie de la surface externe du rouleau (2). 6. Device according to any one of the preceding claims, in which the projection support (9) is a plate, the surface of which matches a part of the outer surface of the roller (2).
7. Dispositif selon l'une quelconque des revendications précédentes comprenant un carter muni d'une fente dont la longueur est légèrement supérieure à la 7. Device according to any one of the preceding claims comprising a housing provided with a slot whose length is slightly greater than the
5 largeur de la bande, ladite saillie étant disposée de manière à extraire la bande au travers de la fente. 5 width of the strip, said projection being arranged so as to extract the strip through the slot.
6 6
EP21758751.8A 2020-08-05 2021-07-20 Device for dispensing paper towels Pending EP4192316A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IB2020057389 2020-08-05
PCT/IB2021/056549 WO2022029535A1 (en) 2020-08-05 2021-07-20 Device for dispensing paper towels

Publications (1)

Publication Number Publication Date
EP4192316A1 true EP4192316A1 (en) 2023-06-14

Family

ID=77447938

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21758751.8A Pending EP4192316A1 (en) 2020-08-05 2021-07-20 Device for dispensing paper towels

Country Status (2)

Country Link
EP (1) EP4192316A1 (en)
WO (1) WO2022029535A1 (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1298135B1 (en) 1998-01-15 1999-12-20 Steiner Co Int Sa DEVICE FOR DISPENSING PAPER TOWELS OBTAINED BY MANUAL CUTTING FROM A CONTINUOUS TAPE
DE202011105497U1 (en) * 2011-09-09 2011-10-31 Netpak Elektronik Plastik Kozmetik Ltd. Sti. Paper towel dispenser
DE102017110518A1 (en) * 2017-05-15 2018-11-15 Ille Papier-Service Gmbh Device for dispensing paper sections of predetermined length

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