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EP3714751B1 - Holder for paper roll and tamper-proof end piece for paper roll - Google Patents

Holder for paper roll and tamper-proof end piece for paper roll Download PDF

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Publication number
EP3714751B1
EP3714751B1 EP20166879.5A EP20166879A EP3714751B1 EP 3714751 B1 EP3714751 B1 EP 3714751B1 EP 20166879 A EP20166879 A EP 20166879A EP 3714751 B1 EP3714751 B1 EP 3714751B1
Authority
EP
European Patent Office
Prior art keywords
foolproof
roll
unwinder
endpiece
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.)
Active
Application number
EP20166879.5A
Other languages
German (de)
French (fr)
Other versions
EP3714751B2 (en
EP3714751C0 (en
EP3714751A1 (en
Inventor
Gilles PONCELET
Michel Auroux
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.)
Paredes Fab SAS
Original Assignee
Paredes Fab SAS
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
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Application filed by Paredes Fab SAS filed Critical Paredes Fab SAS
Publication of EP3714751A1 publication Critical patent/EP3714751A1/en
Application granted granted Critical
Publication of EP3714751B1 publication Critical patent/EP3714751B1/en
Publication of EP3714751C0 publication Critical patent/EP3714751C0/en
Publication of EP3714751B2 publication Critical patent/EP3714751B2/en
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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
    • A47K10/38—Dispensers for paper towels or toilet paper dispensing from a web, e.g. with mechanical dispensing means the web being rolled up with or without tearing edge
    • A47K10/40—Dispensers for paper towels or toilet paper dispensing from a web, e.g. with mechanical dispensing means the web being rolled up with or without tearing edge with extensible or collapsible roll supports or roll spindles
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47K—SANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR; TOILET ACCESSORIES
    • A47K10/00—Body-drying implements; Toilet paper; Holders therefor
    • A47K10/24—Towel dispensers, e.g. for piled-up or folded textile towels; Toilet paper dispensers; Dispensers for piled-up or folded textile towels provided or not with devices for taking-up soiled towels as far as not mechanically driven
    • A47K10/32—Dispensers for paper towels or toilet paper
    • A47K10/34—Dispensers for paper towels or toilet paper dispensing from a web, e.g. with mechanical dispensing means
    • A47K10/38—Dispensers for paper towels or toilet paper dispensing from a web, e.g. with mechanical dispensing means the web being rolled up with or without tearing edge
    • A47K10/3845—Dispensers for paper towels or toilet paper dispensing from a web, e.g. with mechanical dispensing means the web being rolled up with or without tearing edge with devices preventing the use of non-authorised paper rolls
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H16/00—Unwinding, paying-out webs
    • B65H16/02—Supporting web roll
    • B65H16/06—Supporting web roll both-ends type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
    • B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
    • B65H75/18—Constructional details
    • B65H75/185—End caps, plugs or adapters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/41—Winding, unwinding
    • B65H2301/413—Supporting web roll
    • B65H2301/4134—Both ends type arrangement
    • B65H2301/41346—Both ends type arrangement separate elements engaging each end of the roll (e.g. chuck)
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/10—Handled articles or webs
    • B65H2701/18—Form of handled article or web
    • B65H2701/184—Wound packages
    • B65H2701/1848—Dimensional aspect
    • B65H2701/18482—Proportion
    • B65H2701/18484—Diameter substantially equal to width, e.g. toilet paper roll

Definitions

  • the present invention falls within the field of the distribution of consumables in the form of rolls of paper, of the hand towel roll, paper towel roll, toilet paper roll, etc. type.
  • the present invention relates more specifically to a dispenser for a roll of paper, to a keyed end piece for a roll of paper intended to be unwound and to an assembly comprising a roll of paper, the keyed end piece according to the invention and the reel according to the 'invention.
  • a roll of paper, of the hand towel roll, paper towel roll, toilet paper roll type generally comprises a plurality of sheets of paper linked together in a breakable manner, rolled up on a tube comprising an axial recess which runs the full length of the tube.
  • the axial recess of the tube allows the mounting of the paper roll on a paper roll dispenser.
  • Paper roll dispensers are widely used by individuals and professionals, for example in professional premises that may or may not be open to the public.
  • the companies offering this type of service generally equip the rolls of paper and the dispensers in a known manner with an anti-fraud device consisting in a known manner of a misleading device, in order to prevent a customer from using a roll of paper that is not the one marketed by the company that installed the dispenser.
  • a polarizer comprises a key fixed inside the axial recess made in the roller and having a male end piece protruding from one end of the tube of the roller, the male end piece being capable of cooperating with a female end of the reel, generally mounted on an arm of the reel.
  • the document US 2007/075180 A1 offers a roll of paper, a sleeve for a roll of paper and a combination of a roll of paper with a dispenser.
  • THE paper roll includes a hollow paper roll core with two opposite ends.
  • the socket has a cylindrical body press fitted into at least one end of the core of the paper roll and the socket further comprises a circular end wall frangibly attached to a first end of the body and closing the end of the core of the roll of paper.
  • the end wall is provided with a central hole for receiving pins. The end wall is designed to rupture upon removal of the paper roll from the dispenser. Thus, the sleeve cannot be reused.
  • the cooperation between the male and female ends is such that only one type of paper roll, that authorized by the manufacturer who installed the dispenser, can be used with the dispenser.
  • the object of the present invention aims to overcome the above drawbacks while preventing the installation on a reel of an unauthorized roll of paper.
  • the invention relates to a combination of a polarizing end piece and a roll of paper intended to be unwound, said roll being of the type comprising a tube comprising an axial recess on which is wound a plurality of sheets of paper, said end piece being shaped to cooperate with a polarizer of a reel and comprising a face of cooperation intended to cooperate with a face of cooperation of the polarizer of the reel, said end piece being remarkable in that its face of cooperation of said polarizing end piece is provided to penetrate inside of the axial recess of the tube of said roller when the polarizing end piece is fixed on said roller, the polarizing end piece being made of biodegradable material such as cellulose.
  • the foolproof tip made of degradable material such as cellulose facilitates the recycling of waste, in particular the recycling of the foolproof tip.
  • the solution proposed by the present invention generates waste which can be recovered directly, i.e. recycled directly, without intermediate stages.
  • the foolproof tip made of degradable material such as cellulose has a limited lifespan, thus making it possible to reinforce the protection of the reel so that only one type of installed paper roll can be used with the reel.
  • the polarizing end piece comprises a cup concentrically receiving a female polarizing stud shaped to receive a male polarizing stud arranged on the polarizer of the reel when the polarizing end cap is fixed on the roll of paper to be reeled and when said roll is mounted on said reel;
  • the keyed tip comprises a shoulder extending radially outwards from the cup and defining a bearing surface against a side wall of the roll of paper when said keyed tip is mounted in the axial recess of the tube of said roll.
  • the present invention also relates to an assembly according to claim 4.
  • FIGS. 1 and 2 respectively illustrating the reel 1 according to the invention and a roll 3 of paper intended to be reeled.
  • the reel 1 comprises a casing 5 comprising a rear face 7 which can be hung on a wall or on a wall support by means of notches 9.
  • the casing 5 also comprises a front face which has been removed from the figure 1 for better visibility.
  • the reel 1 comprises an upper edge 11 and a lower edge 13.
  • the reel 1 comprises a support base 15 mounted at the level of the lower edge 13 of the reel 1.
  • the support base 15 adopts, for example, a parallelepiped shape having a upper wall 17, for example flat.
  • the reel 1 comprises two support arms 19, 21 each comprising a first end 19a, 21a and a second end 19b, 21b.
  • the first ends 19a, 21a of the arms 19, 21 are mounted on the upper wall 17 of the support base 15.
  • the reel 1 also comprises a support pad 23 designed and arranged in the reel to support a first end 25 of the roll 3 of paper intended to be reeled (visible at the figure 2 ).
  • the support stud 23 is mounted at the level of the second end 19b of the arm 19.
  • the reel 1 further comprises an anti-fraud device 27 implemented in the reel to prevent the use of a roll of paper which does not does not conform to that authorized by the installer of the wire feeder.
  • the anti-fraud device 27 comprises a polarizer 29 mounted opposite the support pad 23, which is designed and arranged in the reel 1 to support a second end 31 of the roll 3 of paper intended to be unreeled (visible at the figure 2 ).
  • the corrector 29 is mounted at the level of the second end 21b of the arm 21.
  • the polarizer 29 and the support pad 23 are designed and arranged in the reel to support the roll 3 intended to be unwound and to allow its rotation on an axis of rotation 33 passing through the support pad 23 and through the polarizer 29 when the roll 3 is mounted on reel 1.
  • the support stud 23 and the polarizer 29 are respectively mounted on the arms 19, 21 at a location separate from the second ends 19b, 21b, for example in the middle of the arms 19, 21.
  • the reel 1 comprises a casing 5 on the inner face of which are directly mounted the support stud 23 and the polarizer 29.
  • the reel 1 may not comprise a support arm and supporting base.
  • the roll 3 of paper comprises a tube 35 comprising an axial recess 37 which extends over the entire length of the tube 35, on which is wound a plurality of sheets of paper 39 interconnected in a divisible manner.
  • the 3 roll of paper is the type of hand towel roll, paper towel roll, toilet paper roll, etc.
  • the axial recess 37 of the tube 35 allows the mounting of the roll 3 of paper on the support pad 23 and on the locating device 29, thanks to a locating tip detailed in the following description.
  • FIGS. 3 to 5 respectively illustrating the reel 1 in partial longitudinal section centered on the support arms 19, 21, the reel on which is mounted the roll 3 of paper intended to be unwound and the roll 3 of paper receiving a foolproof tip according to the invention.
  • the support stud 23 has a support face 41 which penetrates into the axial recess 37 of the tube 35 of the roll of paper 3.
  • the support face comprises a tapered portion 43 receiving at its end a shoulder 45 provided to penetrate inside the axial recess 37 of the tube 35 of the roll of paper 3, so that the end 25 of the roller 3 is supported by support face 41 of support stud 23.
  • the polarizer 29 has a cooperation face 47 intended to cooperate with a polarizing tip 49 fixed to the roll 3 of paper intended to be unwound when the roll is mounted in the reel 1.
  • the face of cooperation of the locating device is provided to penetrate at least partially inside the axial recess 37 of the tube 35 of the roller 3 when the roller is supported by the support stud 23 and by the locating device 29
  • the cooperation face 51 of the keyed tip 49 of the roller 3 is advantageously arranged inside the axial recess 37 of the tube of the roller, which makes it possible to overcome the presence of a male protuberance presenting as this is the case in the prior art with a cooperation face which extends outside the axial recess made in the tube.
  • This advantageously makes it possible to overcome the drawback linked to the risk of breakage of this protuberance which may occur during transporting or storing the paper roll.
  • the cooperation between the keyed 29 of the reel and the keyed tip 49 of the roll 3 of paper is, according to one embodiment, ensured by providing a male keyed stud 53 on the keyed 49, provided to penetrate a female keyed stud 55 arranged on the foolproof tip 49 fixed on the roll 3 when the roll is mounted in the reel 1.
  • the foolproof tip 49 comprises a cup 57 comprising a frustoconical outer wall 58 concentrically receiving the female foolproof stud 55.
  • the outer wall 58 of the cup 57 adopts a cylindrical shape rather than a frustoconical shape.
  • the female polarizing stud 55 has a frustoconical outer wall 59 extended by an outer edge 61 itself extended by a cavity 63 whose inner edge defines a stop 65 inside which is received the male polarizing stud 53 of the polarizing key 29 of the reel 1.
  • the outer wall 59 of the female polarizing stud 55 adopts a cylindrical shape rather than a frustoconical shape.
  • the keyed tip 49 comprises a shoulder 67 which extends radially outwards from the cup 57 from the axis of revolution 69 of the keyed tip 49.
  • the shoulder is shaped to define a surface of support against a side wall 71 (visible in figure 5 ) of the roll 3 of paper when the keyed tip 49 is mounted in the axial recess 37 of the tube 35 of the roller 3.
  • the presence of the shoulder 67 makes it possible to block the keyed tip 49 in translation along the recess 37 of pipe 35.
  • the foolproof tip 49 can advantageously be obtained from a biodegradable material such as cellulose.
  • FIG 8 is an enlargement of zone VIII of the figure 4 .
  • the assembly formed by the outer wall 59 of the female polarizing stud 55, by the outer edges 61 of the female polarizing stud 55 and by the cavity 63 of the female polarizing stud 55 defines the cooperation face 51 of the polarizing tip 49.
  • the cooperation face 51 has a geometry complementary to that of the cooperation face 47 of the corrector 29 of the reel 1.
  • the male keyed stud 53 of the keyed 29 has a tapered outer wall 73 extended at its first end by an outer edge 75 cooperating with the cavity 63 of the female keyed stud 55 of the keyed tip 49 and at the level of its second end by two cavities 77, 79 whose inner edges define two abutments 81, 83 inside which are received the outer edges 61 of the female polarizing stud 55 of the polarizing end piece 49.
  • the cavities 77, 79 are themselves same extended by a connecting edge 85 providing the connection with a cup 87 arranged on the periphery of the cooperation face 47.
  • the outer wall 73 of the male foolproof stud 53 adopts a cylindrical rather than a frustoconical shape.
  • the assembly formed by the connecting edge 85, by the cavities 77, 79, by the outer wall 73 of the male keyed stud 53 and by the outer edge 75 of the male keyed stud 53 defines the cooperation face 47 of the keyed 29 of the reel 1 whose geometry is complementary to that of the cooperation face 51 of the polarizing tip 49 of the roll 3 of paper.
  • non-compliant is understood to mean a roll of paper which does not include a foolproof tip or a roll of paper whose face for cooperating with the foolproof tip of the roll is not shaped to cooperate with the face of cooperation of the reel locating device.
  • the cup 87 arranged on the periphery of the cooperation face 47 of the corrector 29.
  • the cup 87 comprises a frustoconical outer wall 89 defining a slope oriented towards the bottom edge of the reel.
  • the frustoconical outer wall 89 is made of a slippery material chosen so that if a non-compliant roller is mounted on the corrector, the frictional force resulting from the contact between the recess 37 of the tube 35 of the roller 3 and the frustoconical outer wall 89 keyed 29 is such that a movement of the roller 3 to the lower edge of the reel is allowed.
  • the anti-fraud device 27 may comprise one or more blocking notches 91, mounted on the lower edge of the reel, which may be formed by the support base 15 of the reel.
  • the blocking ridges 91 extend from the lower edge of the reel towards the corrector 29 and are arranged so as to exert a frictional force against a lower wall 93 of the roll 3 of paper, at the level of the zone 95 shown in figure 9 , after a non-compliant roll has been driven in the direction of the lower edge 13 of the reel by the cup 87.
  • the anti-fraud device 27 comprises one or more locking studs 97 which are arranged in the reel so as to exert a frictional force against the side wall 71 of the roll 3 of paper, at the level of the zone 99 shown in figure 9 , after a non-compliant roll has been driven in the direction of the lower edge of the reel by the cup 87.
  • the locking pins 97 are mounted on the support arms 19, 21. When the reel does not have a support arm, the locking studs 97 are mounted directly on the inside face of the casing 5.

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  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Unwinding Webs (AREA)

Description

La présente invention s'inscrit dans le domaine de la distribution de consommables sous forme de rouleaux de papier, du type rouleau essuie-main, rouleau essuie-tout, rouleau de papier toilette, etc.The present invention falls within the field of the distribution of consumables in the form of rolls of paper, of the hand towel roll, paper towel roll, toilet paper roll, etc. type.

La présente invention a trait plus précisément à un dévidoir de rouleau de papier, à un embout détrompeur pour rouleau de papier destiné à être dévidé et à un ensemble comportant un rouleau de papier, l'embout détrompeur selon l'invention et le dévidoir selon l'invention.The present invention relates more specifically to a dispenser for a roll of paper, to a keyed end piece for a roll of paper intended to be unwound and to an assembly comprising a roll of paper, the keyed end piece according to the invention and the reel according to the 'invention.

De façon connue, un rouleau de papier, du type rouleau essuie-main, rouleau essuie-tout, rouleau de papier toilette, comporte généralement une pluralité de feuilles de papier reliées entre elles de façon sécables, enroulées sur un tube comportant un évidement axial qui s'étend sur toute la longueur du tube.In known manner, a roll of paper, of the hand towel roll, paper towel roll, toilet paper roll type, generally comprises a plurality of sheets of paper linked together in a breakable manner, rolled up on a tube comprising an axial recess which runs the full length of the tube.

L'évidement axial du tube permet le montage du rouleau de papier sur un dévidoir de rouleau de papier.The axial recess of the tube allows the mounting of the paper roll on a paper roll dispenser.

Les dévidoirs de rouleau de papier sont largement utilisés chez les particuliers et chez les professionnels, par exemple au sein de locaux professionnels accueillant ou non du public.Paper roll dispensers are widely used by individuals and professionals, for example in professional premises that may or may not be open to the public.

Il est fréquent que les sociétés qui installent des dévidoirs de rouleaux de papier chez les professionnels proposent à leurs clients la fourniture et la pose d'un ou plusieurs dévidoirs à titre gracieux, en échange de la vente d'un contrat d'approvisionnement exclusif en rouleaux de papier par la société qui a fourni et installé le dévidoir.It is common for companies that install paper roll dispensers in professional homes to offer their customers the supply and installation of one or more dispensers free of charge, in exchange for the sale of an exclusive supply contract paper rolls by the company that supplied and installed the dispenser.

Les sociétés proposant ce type de service équipent généralement de façon connue les rouleaux de papier et les dévidoirs d'un dispositif anti-fraude consistant de façon connue en un détrompeur, ceci afin d'éviter qu'un client n'utilise sur le dévidoir un rouleau de papier qui n'est pas celui commercialisé par la société qui a installé le dévidoir.The companies offering this type of service generally equip the rolls of paper and the dispensers in a known manner with an anti-fraud device consisting in a known manner of a misleading device, in order to prevent a customer from using a roll of paper that is not the one marketed by the company that installed the dispenser.

Selon une réalisation de l'art antérieur, un détrompeur comporte une fixée à l'intérieur de l'évidement axial pratiqué dans le rouleau et présentant un embout mâle proéminent depuis une extrémité du tube du rouleau, l'embout mâle étant apte à coopérer avec un embout femelle du dévidoir, généralement monté sur un bras du dévidoir.According to an embodiment of the prior art, a polarizer comprises a key fixed inside the axial recess made in the roller and having a male end piece protruding from one end of the tube of the roller, the male end piece being capable of cooperating with a female end of the reel, generally mounted on an arm of the reel.

Le document US 2007/075180 A1 propose un rouleau de papier, une douille pour un rouleau de papier et une combinaison d'un rouleau de papier avec un distributeur. Le rouleau de papier comprend un noyau de rouleau de papier creux avec deux extrémités opposées. La douille a un corps cylindrique emboîté par pression dans au moins une des extrémités du noyau du rouleau de papier et la douille comprend en outre une paroi d'extrémité circulaire fixée de manière frangible à une première extrémité du corps et fermant l'extrémité du noyau du rouleau de papier. La paroi d'extrémité est pourvue d'un trou central de réception de broches. La paroi d'extrémité est conçue pour se rompre lors du retrait du rouleau de papier du distributeur. Ainsi, la douille ne peut pas être réutilisée.The document US 2007/075180 A1 offers a roll of paper, a sleeve for a roll of paper and a combination of a roll of paper with a dispenser. THE paper roll includes a hollow paper roll core with two opposite ends. The socket has a cylindrical body press fitted into at least one end of the core of the paper roll and the socket further comprises a circular end wall frangibly attached to a first end of the body and closing the end of the core of the roll of paper. The end wall is provided with a central hole for receiving pins. The end wall is designed to rupture upon removal of the paper roll from the dispenser. Thus, the sleeve cannot be reused.

La coopération entre les embouts mâle et femelle est telle qu'un seul type de rouleau de papier, celui autorisé par le fabricant qui a installé le dévidoir, peut être utilisé avec le dévidoir.The cooperation between the male and female ends is such that only one type of paper roll, that authorized by the manufacturer who installed the dispenser, can be used with the dispenser.

Si cela permet au fabricant de s'assurer que le client n'utilise effectivement que le type de rouleau de papier objet du contrat, il est fréquent que la protubérance mâle, dont sa face de coopération s'étend à l'extérieur de l'évidement axial pratiqué dans le tube, se rompe, notamment lors du transport ou du stockage du rouleau de papier.If this allows the manufacturer to ensure that the customer is actually using only the type of paper roll that is the subject of the contract, it is common for the male protrusion, whose cooperation face extends outside the axial recess made in the tube, breaks, especially during transport or storage of the roll of paper.

L'objet de la présente invention vise à pallier les inconvénients ci-dessus tout en empêchant l'installation sur un dévidoir d'un rouleau de papier non autorisé.The object of the present invention aims to overcome the above drawbacks while preventing the installation on a reel of an unauthorized roll of paper.

L'invention concerne une combinaison d'un embout détrompeur et d'un rouleau de papier destiné à être dévidé, ledit rouleau étant du type comportant un tube comportant un évidement axial sur lequel est enroulée une pluralité de feuilles de papier, ledit embout étant conformé pour coopérer avec un détrompeur d'un dévidoir et comportant une face de coopération destinée à coopérer avec une face de coopération du détrompeur du dévidoir, ledit embout étant remarquable en ce que sa face de coopération dudit embout détrompeur est prévue pour pénétrer à l'intérieur de l'évidement axial du tube dudit rouleau lorsque l'embout détrompeur est fixé sur ledit rouleau, l'embout détrompeur étant réalisé en matériau biodégradable tel que de la cellulose.The invention relates to a combination of a polarizing end piece and a roll of paper intended to be unwound, said roll being of the type comprising a tube comprising an axial recess on which is wound a plurality of sheets of paper, said end piece being shaped to cooperate with a polarizer of a reel and comprising a face of cooperation intended to cooperate with a face of cooperation of the polarizer of the reel, said end piece being remarkable in that its face of cooperation of said polarizing end piece is provided to penetrate inside of the axial recess of the tube of said roller when the polarizing end piece is fixed on said roller, the polarizing end piece being made of biodegradable material such as cellulose.

L'embout détrompeur réalisé en matériau dégradable tel que de la cellulose permet de faciliter le recyclage des déchets, en particulier le recyclage de l'embout détrompeur.The foolproof tip made of degradable material such as cellulose facilitates the recycling of waste, in particular the recycling of the foolproof tip.

En effet, au lieu d'avoir un mandrin en carton et un embout en plastique qui doivent être séparés pour permettre le recyclage, comme c'est le cas dans l'art antérieur, la solution proposée par la présente invention génère un déchet qui peut être valorisé directement, c'est-à-dire recyclé directement, sans étapes intermédiaires.Indeed, instead of having a cardboard core and a plastic tip which must be separated to allow recycling, as is the case in the prior art, the solution proposed by the present invention generates waste which can be recovered directly, i.e. recycled directly, without intermediate stages.

De plus, l'embout détrompeur en matériau dégradable tel que de la cellulose a une durée de vie limitée, permettant ainsi de renforcer la protection du dévidoir de telle sorte qu'un seul type de rouleau de papier installé peut être utilisé avec le dévidoir.In addition, the foolproof tip made of degradable material such as cellulose has a limited lifespan, thus making it possible to reinforce the protection of the reel so that only one type of installed paper roll can be used with the reel.

En effet, il est possible d'utiliser le même embout détrompeur pour dérouler deux à trois rouleaux maximum contrairement aux embouts détrompeurs de l'art antérieur réalisés en matériau plastique.Indeed, it is possible to use the same foolproof end piece to unroll two to three rolls maximum unlike the foolproof end pieces of the prior art made of plastic material.

Selon des caractéristiques optionnelles de l'embout détrompeur de l'invention : l'embout détrompeur comporte une coupelle recevant concentriquement un plot détrompeur femelle conformé pour recevoir un plot détrompeur mâle agencé sur le détrompeur du dévidoir lorsque l'embout détrompeur est fixé sur le rouleau de papier destiné à être dévidé et lorsque ledit rouleau est monté sur ledit dévidoir; - l'embout détrompeur comporte un épaulement s'étendant radialement vers l'extérieur de la coupelle et définissant une surface d'appui contre une paroi latérale du rouleau de papier lorsque ledit embout détrompeur est monté dans l'évidement axial du tube dudit rouleau.According to optional characteristics of the polarizing end piece of the invention: the polarizing end piece comprises a cup concentrically receiving a female polarizing stud shaped to receive a male polarizing stud arranged on the polarizer of the reel when the polarizing end cap is fixed on the roll of paper to be reeled and when said roll is mounted on said reel; - The keyed tip comprises a shoulder extending radially outwards from the cup and defining a bearing surface against a side wall of the roll of paper when said keyed tip is mounted in the axial recess of the tube of said roll.

La présente invention concerne également un ensemble selon la revendication 4.The present invention also relates to an assembly according to claim 4.

Ainsi, en prévoyant un dévidoir dont le détrompeur comporte une face de coopération prévue pour pénétrer au moins partiellement à l'intérieur de l'évidement axial du tube du rouleau lorsque le rouleau est supporté par le plot de support et par le détrompeur du dévidoir, il est possible de monter dans le dévidoir un rouleau de papier équipé d'un embout détrompeur dont sa face de coopération est avantageusement agencée à l'intérieur de l'évidement axial du tube du rouleau, ce qui permet de s'affranchir de la présence de protubérance mâle présentant comme c'est le cas dans l'art antérieur une face de coopération qui s'étend à l'extérieur de l'évidement axial pratiqué dans le tube. Cela permet avantageusement de pallier l'inconvénient lié au risque de casse de cette protubérance pouvant survenir lors du transport ou du stockage du rouleau de papier. Selon des caractéristiques optionnelles de l'ensemble de l'invention, le dévidoir comporte un bord supérieur et un bord inférieur, le détrompeur étant positionné entre lesdits bords supérieur et inférieur, et :

  • le détrompeur comporte une coupelle comportant une paroi externe tronconique glissante agencée en périphérie de la face de coopération dudit détrompeur, définissant une pente orientée vers ledit bord inférieur du dévidoir, de façon à entraîner ledit rouleau en direction dudit bord inférieur lorsque ledit rouleau est monté dans le dévidoir et lorsque ledit rouleau ne comporte pas d'embout détrompeur ou lorsque l'embout détrompeur dudit rouleau ne coopère pas avec la face de coopération du détrompeur, et
  • le dispositif anti-fraude comporte au moins un redent de blocage, monté sur le bord inférieur du dévidoir, s'étendant en direction du détrompeur et étant agencé de façon à exercer une force de frottement contre une paroi inférieure du rouleau de papier après que ledit rouleau a été entraîné en direction dudit bord inférieur par ladite coupelle.
Thus, by providing a reel whose polarizer has a cooperation face designed to penetrate at least partially inside the axial recess of the tube of the roller when the roller is supported by the support stud and by the polarizer of the reel, it is possible to mount in the reel a roll of paper equipped with a foolproof tip, its cooperation face of which is advantageously arranged inside the axial recess of the tube of the roll, which makes it possible to overcome the presence male protuberance having, as is the case in the prior art, a cooperation face which extends outside the axial recess made in the tube. This advantageously makes it possible to overcome the drawback linked to the risk of breakage of this protuberance which may occur during transport or storage of the roll of paper. According to optional characteristics of the assembly of the invention, the reel comprises an upper edge and a lower edge, the polarizer being positioned between said upper and lower edges, and:
  • the locating device comprises a cup comprising a sliding frustoconical outer wall arranged on the periphery of the cooperation face of said locating device, defining a slope oriented towards said lower edge of the reel, so as to drive said roller in the direction of said lower edge when said roller is mounted in the reel and when said roller does not have a foolproof tip or when the foolproof tip of said roller does not cooperate with the face of cooperation of the foolproof, and
  • the anti-fraud device comprises at least one blocking notch, mounted on the lower edge of the reel, extending in the direction of the polarizer and being arranged so as to exert a frictional force against a lower wall of the roll of paper after said roller has been driven in the direction of said lower edge by said cup.

Grâce à cette configuration, on empêche la rotation du rouleau de papier lorsque le rouleau ne comporte pas d'embout détrompeur ou lorsque l'embout détrompeur du rouleau ne coopère pas avec la face de coopération du détrompeur. On réduit ainsi considérablement le risque d'utilisation frauduleuse du dévidoir.Thanks to this configuration, the rotation of the roll of paper is prevented when the roll does not have a foolproof tip or when the foolproof tip of the roll does not cooperate with the face of cooperation of the foolproof. This considerably reduces the risk of fraudulent use of the reel.

Selon des caractéristiques optionnelles de l'ensemble de l'invention :

  • le dispositif anti-fraude comporte au moins un téton de blocage, agencé de façon à exercer une force de frottement contre une paroi latérale du rouleau de papier après que ledit rouleau a été entraîné en direction du bord inférieur du dévidoir par la coupelle du détrompeur ;
  • le dévidoir comporte deux bras de support, et le plot de support et le détrompeur sont chacun montés sur chacun desdits bras de support et ledit au moins un téton de blocage est monté sur au moins un desdits bras de support ;
  • le dévidoir comporte un carter et une base de support, montée à l'intérieur du carter au niveau du bord inférieur du dévidoir, et ledit au moins un redent de blocage est monté sur une paroi supérieure de ladite base de support et chacun des bras de support comporte une première extrémité et une deuxième extrémité, ladite première extrémité étant montée sur ladite paroi supérieure de ladite base de support et ledit plot de support et ledit détrompeur étant chacun montés au niveau de ladite deuxième extrémité ;
  • la face de coopération du détrompeur comporte un plot détrompeur mâle prévu pour pénétrer un plot détrompeur femelle agencé sur l'embout détrompeur fixé sur ledit rouleau lorsque ledit rouleau est monté dans le dévidoir.
According to optional characteristics of the whole of the invention:
  • the anti-fraud device comprises at least one blocking stud, arranged so as to exert a frictional force against a side wall of the roll of paper after said roll has been driven in the direction of the lower edge of the reel by the cup of the corrector;
  • the reel comprises two support arms, and the support stud and the polarizer are each mounted on each of said support arms and said at least one locking stud is mounted on at least one of said support arms;
  • the reel comprises a casing and a support base, mounted inside the casing at the lower edge of the reel, and said at least one blocking step is mounted on an upper wall of said support base and each of the arms of support has a first end and a second end, said first end being mounted on said upper wall of said support base and said support stud and said polarizer each being mounted at said second end;
  • the polarizing cooperation face comprises a male polarizing stud provided to penetrate a female polarizing stud arranged on the polarizing endpiece fixed to said roller when said roller is mounted in the reel.

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

  • [Fig. 1] illustre le dévidoir selon l'invention en vue isométrique.
  • [Fig. 2] représente un rouleau de papier à dévider.
  • [Fig. 3] illustre le dévidoir en coupe longitudinale partielle centrée sur les bras de support.
  • [Fig. 4] illustre le dévidoir sur lequel est monté le rouleau de papier destiné à être dévidé.
  • [Fig. 5] représente un rouleau de papier recevant un embout détrompeur selon l'invention.
  • [Fig. 6] montre l'embout détrompeur de l'invention en vue isométrique.
  • [Fig. 7] illustre l'embout détrompeur en coupe longitudinale selon la ligne VII-VII de la figure 6.
  • [Fig. 8] est un agrandissement de la zone VIII de la figure 4.
  • [Fig. 9] représente une mise en situation où le dévidoir reçoit un rouleau de papier non conforme.
Other characteristics and advantages of the invention will appear on reading the following detailed description for the understanding of which reference will be made to the appended drawings in which:
  • [ Fig. 1 ] illustrates the reel according to the invention in isometric view.
  • [ Fig. 2 ] represents a roll of paper to be unwound.
  • [ Fig. 3 ] shows the reel in partial longitudinal section centered on the support arms.
  • [ Fig. 4 ] illustrates the reel on which the roll of paper intended to be reeled is mounted.
  • [ Fig. 5 ] represents a roll of paper receiving a foolproof tip according to the invention.
  • [ Fig. 6 ] shows the foolproof tip of the invention in isometric view.
  • [ Fig. 7 ] illustrates the foolproof tip in longitudinal section along line VII-VII of the figure 6 .
  • [ Fig. 8 ] is an enlargement of zone VIII of the figure 4 .
  • [ Fig. 9 ] represents a scenario where the dispenser receives a roll of non-compliant paper.

Sur l'ensemble des figures, des références identiques ou analogues représentent des organes ou ensembles d'organes identiques ou analogues.In all of the figures, identical or similar references represent identical or similar members or sets of members.

On se réfère aux figures 1 et 2 illustrant respectivement le dévidoir 1 selon l'invention et un rouleau 3 de papier destiné à être dévidé.We refer to figures 1 and 2 respectively illustrating the reel 1 according to the invention and a roll 3 of paper intended to be reeled.

Le dévidoir 1 comporte un carter 5 comportant une face arrière 7 pouvant être accrochée à un mur ou à un support mural par l'intermédiaire d'encoches 9. Le carter 5 comporte également une face avant qui a été retirée de la figure 1 pour une meilleure visibilité.The reel 1 comprises a casing 5 comprising a rear face 7 which can be hung on a wall or on a wall support by means of notches 9. The casing 5 also comprises a front face which has been removed from the figure 1 for better visibility.

Le dévidoir 1 comporte un bord supérieur 11 et un bord inférieur 13. Le dévidoir 1 comporte une base de support 15 montée au niveau du bord inférieur 13 du dévidoir 1. La base de support 15 adopte à titre d'exemple une forme parallélépipédique présentant une paroi supérieure 17, par exemple plane.The reel 1 comprises an upper edge 11 and a lower edge 13. The reel 1 comprises a support base 15 mounted at the level of the lower edge 13 of the reel 1. The support base 15 adopts, for example, a parallelepiped shape having a upper wall 17, for example flat.

Le dévidoir 1 comporte deux bras de support 19, 21 comportant chacun une première extrémité 19a, 21a et une deuxième extrémité 19b, 21b.The reel 1 comprises two support arms 19, 21 each comprising a first end 19a, 21a and a second end 19b, 21b.

Les premières extrémités 19a, 21a des bras 19, 21 sont montées sur la paroi supérieure 17 de la base de support 15.The first ends 19a, 21a of the arms 19, 21 are mounted on the upper wall 17 of the support base 15.

Le dévidoir 1 comporte par ailleurs un plot de support 23 conçu et agencé dans le dévidoir pour supporter une première extrémité 25 du rouleau 3 de papier destiné à être dévidé (visible à la figure 2).The reel 1 also comprises a support pad 23 designed and arranged in the reel to support a first end 25 of the roll 3 of paper intended to be reeled (visible at the figure 2 ).

Le plot de support 23 est monté au niveau de la deuxième extrémité 19b du bras 19. Le dévidoir 1 comporte en outre un dispositif anti-fraude 27 mis en oeuvre dans le dévidoir pour empêcher l'utilisation d'un rouleau de papier qui n'est pas conforme à celui autorisé par l'installateur du dévidoir.The support stud 23 is mounted at the level of the second end 19b of the arm 19. The reel 1 further comprises an anti-fraud device 27 implemented in the reel to prevent the use of a roll of paper which does not does not conform to that authorized by the installer of the wire feeder.

Le dispositif anti-fraude 27 comporte un détrompeur 29 monté en regard du plot de support 23, qui est conçu et agencé dans le dévidoir 1 pour supporter une deuxième extrémité 31 du rouleau 3 de papier destiné à être dévidé (visible à la figure 2).The anti-fraud device 27 comprises a polarizer 29 mounted opposite the support pad 23, which is designed and arranged in the reel 1 to support a second end 31 of the roll 3 of paper intended to be unreeled (visible at the figure 2 ).

Le détrompeur 29 est monté au niveau de la deuxième extrémité 21b du bras 21.The corrector 29 is mounted at the level of the second end 21b of the arm 21.

Le détrompeur 29 et le plot de support 23 sont conçus et agencés dans le dévidoir pour supporter le rouleau 3 destiné à être dévidé et pour permettre sa rotation sur un axe de rotation 33 passant par le plot de support 23 et par le détrompeur 29 lorsque le rouleau 3 est monté sur le dévidoir 1.The polarizer 29 and the support pad 23 are designed and arranged in the reel to support the roll 3 intended to be unwound and to allow its rotation on an axis of rotation 33 passing through the support pad 23 and through the polarizer 29 when the roll 3 is mounted on reel 1.

Selon une variante de réalisation non représentée, le plot de support 23 et le détrompeur 29 sont respectivement montés sur les bras 19, 21 à un emplacement distinct des deuxièmes extrémités 19b, 21b, par exemple au milieu des bras 19, 21. Selon une autre variante non représentée aux figures, le dévidoir 1 comporte un carter 5 sur la face intérieure duquel sont directement montés le plot de support 23 et le détrompeur 29. Selon cette forme de réalisation, le dévidoir 1 peut ne pas comporter de bras de support et de base de support.According to a variant embodiment not shown, the support stud 23 and the polarizer 29 are respectively mounted on the arms 19, 21 at a location separate from the second ends 19b, 21b, for example in the middle of the arms 19, 21. According to another variant not shown in the figures, the reel 1 comprises a casing 5 on the inner face of which are directly mounted the support stud 23 and the polarizer 29. According to this embodiment, the reel 1 may not comprise a support arm and supporting base.

En référence à la figure 2, le rouleau 3 de papier comporte un tube 35 comportant un évidement axial 37 qui s'étend sur toute la longueur du tube 35, sur lequel est enroulée une pluralité de feuilles de papier 39 reliées entre elles de façon sécables. Le rouleau 3 de papier est du type rouleau essuie-main, rouleau essuie-tout, rouleau de papier toilette, etc. L'évidement axial 37 du tube 35 permet le montage du rouleau 3 de papier sur le plot de support 23 et sur le détrompeur 29, grâce à un embout détrompeur détaillé dans la suite de la description.With reference to the figure 2 , the roll 3 of paper comprises a tube 35 comprising an axial recess 37 which extends over the entire length of the tube 35, on which is wound a plurality of sheets of paper 39 interconnected in a divisible manner. The 3 roll of paper is the type of hand towel roll, paper towel roll, toilet paper roll, etc. The axial recess 37 of the tube 35 allows the mounting of the roll 3 of paper on the support pad 23 and on the locating device 29, thanks to a locating tip detailed in the following description.

On se réfère aux figures 3 à 5 illustrant respectivement le dévidoir 1 en coupe longitudinale partielle centrée sur les bras de support 19, 21, le dévidoir sur lequel est monté le rouleau 3 de papier destiné à être dévidé et le rouleau 3 de papier recevant un embout détrompeur selon l'invention.We refer to figures 3 to 5 respectively illustrating the reel 1 in partial longitudinal section centered on the support arms 19, 21, the reel on which is mounted the roll 3 of paper intended to be unwound and the roll 3 of paper receiving a foolproof tip according to the invention.

Le plot de support 23 comporte une face de support 41 qui pénètre dans l'évidement axial 37 du tube 35 du rouleau de papier 3.The support stud 23 has a support face 41 which penetrates into the axial recess 37 of the tube 35 of the roll of paper 3.

De façon connue, la face de support comporte une portion tronconique 43 recevant en son extrémité un épaulement 45 prévu pour pénétrer à l'intérieur de l'évidement axial 37 du tube 35 du rouleau de papier 3, de sorte que l'extrémité 25 du rouleau 3 est supporté par la face de support 41 du plot de support 23.In known manner, the support face comprises a tapered portion 43 receiving at its end a shoulder 45 provided to penetrate inside the axial recess 37 of the tube 35 of the roll of paper 3, so that the end 25 of the roller 3 is supported by support face 41 of support stud 23.

Le détrompeur 29 comporte quant à lui une face de coopération 47 destinée à coopérer avec un embout détrompeur 49 fixé sur le rouleau 3 de papier destiné à être dévidé lorsque le rouleau est monté dans le dévidoir 1.The polarizer 29 has a cooperation face 47 intended to cooperate with a polarizing tip 49 fixed to the roll 3 of paper intended to be unwound when the roll is mounted in the reel 1.

Selon l'invention, la face de coopération du détrompeur est prévue pour pénétrer au moins partiellement à l'intérieur de l'évidement axial 37 du tube 35 du rouleau 3 lorsque le rouleau est supporté par le plot de support 23 et par le détrompeur 29. Ainsi, la face de coopération 51 de l'embout détrompeur 49 du rouleau 3 est avantageusement agencée à l'intérieur de l'évidement axial 37 du tube du rouleau, ce qui permet de s'affranchir de la présence de protubérance mâle présentant comme c'est le cas dans l'art antérieur une face de coopération qui s'étend à l'extérieur de l'évidement axial pratiqué dans le tube. Cela permet avantageusement de pallier l'inconvénient lié au risque de casse de cette protubérance pouvant survenir lors du transport ou du stockage du rouleau de papier. En effet, comme illustré à la figure 5, lorsque l'embout détrompeur 49 est fixé sur le rouleau 3, par exemple à des fins de stockage ou de transport du rouleau, la face de coopération 51 de l'embout détrompeur pénètre à l'intérieur de l'évidement axial 37 du tube 35 du rouleau.According to the invention, the face of cooperation of the locating device is provided to penetrate at least partially inside the axial recess 37 of the tube 35 of the roller 3 when the roller is supported by the support stud 23 and by the locating device 29 Thus, the cooperation face 51 of the keyed tip 49 of the roller 3 is advantageously arranged inside the axial recess 37 of the tube of the roller, which makes it possible to overcome the presence of a male protuberance presenting as this is the case in the prior art with a cooperation face which extends outside the axial recess made in the tube. This advantageously makes it possible to overcome the drawback linked to the risk of breakage of this protuberance which may occur during transporting or storing the paper roll. Indeed, as illustrated in figure 5 , when the polarizing end piece 49 is attached to the roller 3, for example for the purpose of storing or transporting the roll, the cooperation face 51 of the polarizing end piece penetrates inside the axial recess 37 of the tube 35 from the roll.

La coopération entre le détrompeur 29 du dévidoir et l'embout détrompeur 49 du rouleau 3 de papier est, selon une réalisation, assurée en prévoyant un plot détrompeur mâle 53 sur le détrompeur 49, prévu pour pénétrer un plot détrompeur femelle 55 agencé sur l'embout détrompeur 49 fixé sur le rouleau 3 lorsque le rouleau est monté dans le dévidoir 1.The cooperation between the keyed 29 of the reel and the keyed tip 49 of the roll 3 of paper is, according to one embodiment, ensured by providing a male keyed stud 53 on the keyed 49, provided to penetrate a female keyed stud 55 arranged on the foolproof tip 49 fixed on the roll 3 when the roll is mounted in the reel 1.

On se réfère aux figures 6 et 7 illustrant l'embout détrompeur respectivement en vue isométrique et en coupe longitudinale selon la ligne VII-VII.We refer to figures 6 and 7 illustrating the foolproof tip respectively in isometric view and in longitudinal section along the line VII-VII.

L'embout détrompeur 49 comporte une coupelle 57 comportant une paroi externe 58 tronconique recevant concentriquement le plot détrompeur femelle 55. Selon une variante non représentée, la paroi externe 58 de la coupelle 57 adopte une forme cylindrique plutôt que tronconique.The foolproof tip 49 comprises a cup 57 comprising a frustoconical outer wall 58 concentrically receiving the female foolproof stud 55. According to a variant not shown, the outer wall 58 of the cup 57 adopts a cylindrical shape rather than a frustoconical shape.

Le plot détrompeur femelle 55 présente une paroi externe 59 tronconique prolongée par un bord extérieur 61 lui-même prolongé par une cavité 63 dont le bord intérieur définit une butée 65 à l'intérieur de laquelle est reçu le plot détrompeur mâle 53 du détrompeur 29 du dévidoir 1. Selon une variante non représentée, la paroi externe 59 du plot détrompeur femelle 55 adopte une forme cylindrique plutôt que tronconique. Selon une réalisation, l'embout détrompeur49 comporte un épaulement 67 qui s'étend radialement vers l'extérieur de la coupelle 57 depuis l'axe de révolution 69 de l'embout détrompeur 49. L'épaulement est conformé pour définir une surface d'appui contre une paroi latérale 71 (visible à la figure 5) du rouleau 3 de papier lorsque l'embout détrompeur 49 est monté dans l'évidement axial 37 du tube 35 du rouleau 3. La présence de l'épaulement 67 permet de bloquer l'embout détrompeur 49 en translation le long de l'évidement 37 du tube 35.The female polarizing stud 55 has a frustoconical outer wall 59 extended by an outer edge 61 itself extended by a cavity 63 whose inner edge defines a stop 65 inside which is received the male polarizing stud 53 of the polarizing key 29 of the reel 1. According to a variant not shown, the outer wall 59 of the female polarizing stud 55 adopts a cylindrical shape rather than a frustoconical shape. According to one embodiment, the keyed tip 49 comprises a shoulder 67 which extends radially outwards from the cup 57 from the axis of revolution 69 of the keyed tip 49. The shoulder is shaped to define a surface of support against a side wall 71 (visible in figure 5 ) of the roll 3 of paper when the keyed tip 49 is mounted in the axial recess 37 of the tube 35 of the roller 3. The presence of the shoulder 67 makes it possible to block the keyed tip 49 in translation along the recess 37 of pipe 35.

L'embout détrompeur 49 peut avantageusement être obtenu en matériau biodégradable tel que de la cellulose.The foolproof tip 49 can advantageously be obtained from a biodegradable material such as cellulose.

On se réfère à la figure 8 qui est un agrandissement de la zone VIII de la figure 4. L'ensemble formé par la paroi externe 59 du plot détrompeur femelle 55, par les bords extérieurs 61 du plot détrompeur femelle 55 et par la cavité 63 du plot détrompeur femelle 55 définit la face de coopération 51 de l'embout détrompeur 49.We refer to the figure 8 which is an enlargement of zone VIII of the figure 4 . The assembly formed by the outer wall 59 of the female polarizing stud 55, by the outer edges 61 of the female polarizing stud 55 and by the cavity 63 of the female polarizing stud 55 defines the cooperation face 51 of the polarizing tip 49.

La face de coopération 51 présente une géométrie complémentaire de celle de la face de coopération 47 du détrompeur 29 du dévidoir 1.The cooperation face 51 has a geometry complementary to that of the cooperation face 47 of the corrector 29 of the reel 1.

A cet effet, le plot détrompeur mâle 53 du détrompeur 29 présente une paroi externe 73 tronconique prolongée au niveau de sa première extrémité par un bord extérieur 75 coopérant avec la cavité 63 du plot détrompeur femelle 55 de l'embout détrompeur 49 et au niveau de sa deuxième extrémité par deux cavités 77, 79 dont les bords intérieurs définissent deux butées 81, 83 à l'intérieur desquelles sont reçus les bords extérieurs 61 du plot détrompeur femelle 55 de l'embout détrompeur 49. Les cavités 77, 79 sont elles-mêmes prolongées par un bord de liaison 85 assurant la liaison avec une coupelle 87 agencée en périphérie de la face de coopération 47.To this end, the male keyed stud 53 of the keyed 29 has a tapered outer wall 73 extended at its first end by an outer edge 75 cooperating with the cavity 63 of the female keyed stud 55 of the keyed tip 49 and at the level of its second end by two cavities 77, 79 whose inner edges define two abutments 81, 83 inside which are received the outer edges 61 of the female polarizing stud 55 of the polarizing end piece 49. The cavities 77, 79 are themselves same extended by a connecting edge 85 providing the connection with a cup 87 arranged on the periphery of the cooperation face 47.

Selon une variante non représentée, la paroi externe 73 du plot détrompeur mâle 53 adopte une forme cylindrique plutôt que tronconique.According to a variant not shown, the outer wall 73 of the male foolproof stud 53 adopts a cylindrical rather than a frustoconical shape.

L'ensemble formé par le bord de liaison 85, par les cavités 77, 79, par la paroi externe 73 du plot détrompeur mâle 53 et par le bord extérieur 75 du plot détrompeur mâle 53 définit la face de coopération 47 du détrompeur 29 du dévidoir 1 dont sa géométrie est complémentaire à celle de la face de coopération 51 de l'embout détrompeur 49 du rouleau 3 de papier.The assembly formed by the connecting edge 85, by the cavities 77, 79, by the outer wall 73 of the male keyed stud 53 and by the outer edge 75 of the male keyed stud 53 defines the cooperation face 47 of the keyed 29 of the reel 1 whose geometry is complementary to that of the cooperation face 51 of the polarizing tip 49 of the roll 3 of paper.

On se réfère à la figure 9 illustrant une situation où l'on a monté sur le dévidoir 1 de l'invention un rouleau de papier non conforme.We refer to the figure 9 illustrating a situation where a roll of non-compliant paper has been mounted on the reel 1 of the invention.

On entend par l'expression « non conforme » un rouleau de papier qui ne comporte pas d'embout détrompeur ou un rouleau de papier dont la face de coopération de l'embout détrompeur du rouleau n'est pas conformée pour coopérer avec la face de coopération du détrompeur du dévidoir.The term "non-compliant" is understood to mean a roll of paper which does not include a foolproof tip or a roll of paper whose face for cooperating with the foolproof tip of the roll is not shaped to cooperate with the face of cooperation of the reel locating device.

Afin d'empêcher qu'un utilisateur ne parvienne à utiliser un rouleau de papier non conforme au dévidoir, la coupelle 87 agencée en périphérie de la face de coopération 47 du détrompeur 29. La coupelle 87 comporte une paroi externe 89 tronconique définissant une pente orientée vers le bord inférieur du dévidoir. La paroi externe 89 tronconique est réalisée dans un matériau glissant choisi de sorte que si un rouleau non conforme est monté sur le détrompeur, la force de frottement résultant du contact entre l'évidement 37 du tube 35 du rouleau 3 et la paroi externe 89 tronconique du détrompeur 29 est telle qu'un déplacement du rouleau 3 vers le bord inférieur du dévidoir est autorisé.In order to prevent a user from managing to use a roll of paper that does not conform to the reel, the cup 87 arranged on the periphery of the cooperation face 47 of the corrector 29. The cup 87 comprises a frustoconical outer wall 89 defining a slope oriented towards the bottom edge of the reel. The frustoconical outer wall 89 is made of a slippery material chosen so that if a non-compliant roller is mounted on the corrector, the frictional force resulting from the contact between the recess 37 of the tube 35 of the roller 3 and the frustoconical outer wall 89 keyed 29 is such that a movement of the roller 3 to the lower edge of the reel is allowed.

En complément de la paroi externe 89 tronconique, le dispositif anti-fraude 27 peut comporter un ou plusieurs redents de blocage 91, montés sur le bord inférieur du dévidoir, pouvant être formé par la base de support 15 du dévidoir.In addition to the frustoconical outer wall 89, the anti-fraud device 27 may comprise one or more blocking notches 91, mounted on the lower edge of the reel, which may be formed by the support base 15 of the reel.

Les redents de blocage 91 s'étendent depuis le bord inférieur du dévidoir vers le détrompeur 29 et sont agencés de façon à exercer une force de frottement contre une paroi inférieure 93 du rouleau 3 de papier, au niveau de la zone 95 représentée à la figure 9, après qu'un rouleau non conforme a été entraîné en direction du bord inférieur 13 du dévidoir par la coupelle 87.The blocking ridges 91 extend from the lower edge of the reel towards the corrector 29 and are arranged so as to exert a frictional force against a lower wall 93 of the roll 3 of paper, at the level of the zone 95 shown in figure 9 , after a non-compliant roll has been driven in the direction of the lower edge 13 of the reel by the cup 87.

Ainsi, l'utilisation d'un rouleau de papier non conforme est largement détériorée par la présence des redents de blocage 91 qui empêchent la bonne rotation du rouleau de papier non conforme.Thus, the use of a roll of non-compliant paper is greatly impaired by the presence of locking cusps 91 which prevent the correct rotation of the roll of non-compliant paper.

Selon une disposition complémentaire ou alternative visant encore à empêcher la bonne rotation d'un rouleau de papier non conforme, le dispositif anti-fraude 27 comporte un ou plusieurs tétons de blocage 97 qui sont agencés dans le dévidoir de façon à exercer une force de frottement contre la paroi latérale 71 du rouleau 3 de papier, au niveau de la zone 99 représentée à la figure 9, après qu'un rouleau non conforme a été entraîné en direction du bord inférieur du dévidoir par la coupelle 87. Les tétons de blocage 97 sont montés sur les bras de support 19, 21. Lorsque le dévidoir ne comporte pas de bras de support, les tétons de blocage 97 sont montés directement sur la face intérieure du carter 5.According to a complementary or alternative arrangement also aimed at preventing the correct rotation of a roll of non-compliant paper, the anti-fraud device 27 comprises one or more locking studs 97 which are arranged in the reel so as to exert a frictional force against the side wall 71 of the roll 3 of paper, at the level of the zone 99 shown in figure 9 , after a non-compliant roll has been driven in the direction of the lower edge of the reel by the cup 87. The locking pins 97 are mounted on the support arms 19, 21. When the reel does not have a support arm, the locking studs 97 are mounted directly on the inside face of the casing 5.

Comme il va de soi, la présente invention ne se limite pas aux seules formes de réalisation de ce dévidoir, de cet embout détrompeur et de cet ensemble comportant le dévidoir et le rouleau de papier équipé de l'embout détrompeur, ci-dessus uniquement à titre d'exemples illustratifs, mais elle embrasse au contraire toutes les variantes faisant intervenir les équivalents techniques des moyens décrits ainsi que leurs combinaisons si celles-ci entrent dans le cadre de l'invention, dont l'étendue est définie par les revendications annexées.It goes without saying that the present invention is not limited to the sole embodiments of this reel, of this foolproof tip and of this assembly comprising the reel and the roll of paper equipped with the foolproof tip, above only at By way of illustrative examples, but on the contrary it embraces all the variants involving the technical equivalents of the means described as well as their combinations if these fall within the scope of the invention, the scope of which is defined by the appended claims.

Claims (9)

  1. A combination of a foolproof endpiece (49) and a paper roll (3) intended to be unwound, said roll (3) being of the type including a tube (35) including an axial recess (37) on which is wound a plurality of paper sheets (39), said foolproof endpiece (49) being shaped to cooperate with a foolproof device (29) of an unwinder (1) and including a cooperation face (51) intended to cooperate with a cooperation face (47) of the foolproof device (29) of the unwinder (1), the cooperation face (51) of said foolproof endpiece (49) is provided for penetrating inside the axial recess (37) of the tube (35) of said roll (3) when the foolproof endpiece (49) is fastened on said roll (3), characterized in that the foolproof endpiece (49) is made of a biodegradable material such as cellulose.
  2. The combination according to claim 1, characterized in that the foolproof endpiece (49) includes a cup (57) concentrically receiving a female foolproof stud (55) shaped to receive a male foolproof stud (53) arranged on the foolproof device (29) of the unwinder (1) when the foolproof endpiece (49) is fastened on the paper roll (3) intended to be unwound and when said roll (3) is mounted on said unwinder (1).
  3. The combination according to claim 2, characterized in that the foolproof endpiece (49) includes a shoulder (67) extending radially outward of the cup (57) and defining a bearing surface for bearing against a lateral wall (71) of the paper roll (3) when said foolproof endpiece (49) is mounted in the axial recess (37) of the tube (35) of said roll (3).
  4. An assembly including:
    - a combination according to any of the preceding claims,
    - an unwinder (1) including:
    ∘ a support stud (23) configured to support the paper roll (3),
    ∘ an anti-fraud device (27) including a foolproof device (29) mounted facing said support stud (23),
    said foolproof device (29) and said support stud (23) being designed to support said roll (3) and to enable the rotation of said roll (3) on an axis of rotation (33) passing through said support stud (23) and through said foolproof device (29) when said roll (3) is mounted on the unwinder (1),
    said foolproof device (29) further including a cooperation face (47) cooperating with the foolproof endpiece (49) fastened on said roll (3) when said roll (3) is mounted in the unwinder (1),
    the cooperation face (47) of the foolproof device (29) is provided for penetrating at least partially inside the axial recess (37) of the tube (35) of said roll (3) and to cooperate with the cooperation face (51) of the foolproof endpiece (49) when said roll (3) is supported by said support stud (23) and by said foolproof device (29).
  5. The assembly according to claim 4, characterized in that said unwinder (1) includes an upper edge (11) and a lower edge (13), the foolproof device (29) being positioned between said upper and lower edges, and in that:
    - the foolproof device (29) includes a cup (87) including a sliding frustoconical outer wall (89) arranged on the periphery of the cooperation face (47) of said foolproof device (29), defining a slope oriented towards said lower edge (13) of the unwinder (1), so as to drive said roll (3) in the direction of said lower edge (13) when said roll (3) is mounted in the unwinder (1) and when said roll (3) does not include a foolproof endpiece (49) or when the foolproof endpiece (49) of said roll (3) does not cooperate with the cooperation face (47) of the foolproof device (29), and
    - the anti-fraud device (27) includes at least one locking step (91), mounted on the lower edge (13) of the unwinder (1), extending in the direction of the foolproof device (29) and being arranged so as to exert a frictional force against a lower wall (93) of the paper roll (3) after said roll (3) has been driven in the direction of said lower edge (13) by said cup (87).
  6. The assembly according to claim 5, characterized in that the anti-fraud device (27) includes at least one locking pin (97), arranged so as to exert a frictional force against a lateral wall (71) of the paper roll (3) after said roll (3) has been driven in the direction of the lower edge of the unwinder (1) by the cup (87) of the foolproof device (29).
  7. The assembly according to claim 6, characterized in that the unwinder (1) includes two support arms (19, 21), the support stud (23) and the foolproof device (29) are each mounted on each of said support arms (19, 21) and in that said at least one locking pin (97) is mounted on at least one of said support arms (19, 21).
  8. The assembly according to claim 7, characterized in that the unwinder (1) includes:
    - a casing (5),
    - a support base (15), mounted inside the casing (5) at the lower edge (13) of the unwinder (1),
    said at least one locking step (91) is mounted on an upper wall (17) of said support base (15) and in that each of the support arms (19, 21) includes a first end (19a, 21a) and a second end (19b, 21b), said first end (19a, 21a) being mounted on said upper wall (17) of said support base (15) and said support stud (23) and said foolproof device (29) each being mounted at said second end (19b, 21b).
  9. The assembly according to any one of claims 4 to 8, characterized in that the cooperation face (47) of the foolproof device (29) includes a male foolproof stud (53) provided for penetrating a female foolproof stud (55) arranged on the foolproof endpiece (49) fastened on said roll (3) when said roll (3) is mounted in the unwinder (1).
EP20166879.5A 2019-03-28 2020-03-30 Holder for paper roll and tamper-proof end piece for paper roll Active EP3714751B2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1903304A FR3094194B1 (en) 2019-03-28 2019-03-28 Paper roll dispenser and foolproof tip for paper roll

Publications (4)

Publication Number Publication Date
EP3714751A1 EP3714751A1 (en) 2020-09-30
EP3714751B1 true EP3714751B1 (en) 2023-06-07
EP3714751C0 EP3714751C0 (en) 2023-06-07
EP3714751B2 EP3714751B2 (en) 2025-12-03

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Application Number Title Priority Date Filing Date
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EP (1) EP3714751B2 (en)
FR (1) FR3094194B1 (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6092760A (en) * 1999-04-29 2000-07-25 Hedrick; Renaya Willett Easy roll
EP1284231A2 (en) 2001-08-18 2003-02-19 Frank Germeroth Plug
US20070075180A1 (en) 2005-10-03 2007-04-05 Cascades Canada Inc. Paper roll and paper roll dispenser
US7568653B2 (en) * 2005-06-01 2009-08-04 Sca Hygiene Products Ab Adapter for a solid or coreless roll of hygiene paper
WO2012073203A2 (en) 2010-12-02 2012-06-07 Kimberly-Clark Worldwide, Inc. Dispenser supply roll engagement system
US20170209006A1 (en) 2016-01-26 2017-07-27 Georgia-Pacific Consumer Products Lp Mechanical dispenser for perforated sheet products

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10172501B2 (en) * 2015-09-10 2019-01-08 Von Drehle Corporation Paper towel dispenser with roll holder and rotating plug assembly

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6092760A (en) * 1999-04-29 2000-07-25 Hedrick; Renaya Willett Easy roll
EP1284231A2 (en) 2001-08-18 2003-02-19 Frank Germeroth Plug
US7568653B2 (en) * 2005-06-01 2009-08-04 Sca Hygiene Products Ab Adapter for a solid or coreless roll of hygiene paper
US20070075180A1 (en) 2005-10-03 2007-04-05 Cascades Canada Inc. Paper roll and paper roll dispenser
WO2012073203A2 (en) 2010-12-02 2012-06-07 Kimberly-Clark Worldwide, Inc. Dispenser supply roll engagement system
US20170209006A1 (en) 2016-01-26 2017-07-27 Georgia-Pacific Consumer Products Lp Mechanical dispenser for perforated sheet products

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
ANONYMOUS: "Pappe", WIKIPEDIA, 31 January 2024 (2024-01-31), pages 1 - 5, XP093248288, Retrieved from the Internet <URL:https://de.wikipedia.org/w/index.php?title=Pappe&oldid=241719257> [retrieved on 20250210]
ANONYMOUS: "Zellstoff ", WIKIPEDIA, 31 January 2024 (2024-01-31), pages 1 - 6, XP093248289, Retrieved from the Internet <URL:https://de.wikipedia.org/w/index.php?title=Zellstoff&oldid=241727395> [retrieved on 20250210]

Also Published As

Publication number Publication date
FR3094194B1 (en) 2022-10-21
EP3714751B2 (en) 2025-12-03
FR3094194A1 (en) 2020-10-02
EP3714751C0 (en) 2023-06-07
EP3714751A1 (en) 2020-09-30

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