EP0435784A1 - Apparatus for simultaneously dispensing and cutting wound material webs - Google Patents

Apparatus for simultaneously dispensing and cutting wound material webs Download PDF

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Publication number
EP0435784A1
EP0435784A1 EP90420546A EP90420546A EP0435784A1 EP 0435784 A1 EP0435784 A1 EP 0435784A1 EP 90420546 A EP90420546 A EP 90420546A EP 90420546 A EP90420546 A EP 90420546A EP 0435784 A1 EP0435784 A1 EP 0435784A1
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EP
European Patent Office
Prior art keywords
drum
recesses
cutting
openings
strip
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP90420546A
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German (de)
French (fr)
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EP0435784B1 (en
Inventor
Maurice Granger
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Individual
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Individual
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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
    • A47K10/36—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
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/465—Cutting motion of tool has component in direction of moving work
    • Y10T83/4766—Orbital motion of cutting blade
    • Y10T83/4795—Rotary tool
    • Y10T83/4812—Compound movement of tool during tool cycle
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/889—Tool with either work holder or means to hold work supply
    • Y10T83/896—Rotatable wound package supply

Definitions

  • the invention relates to the technical sectors of paper dispensing devices made of all padded materials and the like, offering from strips of rolled up materials the detachment or fractionation of lengths of pre-established strips.
  • a cutting device integrated or not inside the drum allows instantaneous cutting of the strip of material to the preset length.
  • the drum has a transverse slot for the passage of the cutting blade which is moved by any known means such as those described without limitation in some of the aforementioned patents.
  • the drum also has, over its entire periphery outside the slot area, hooking or gripping means of the emery cloth or similar materials type to facilitate the training of the roll of strips of material.
  • the aim sought after according to the invention was therefore to remedy the aforementioned drawbacks by proposing a new arrangement of the device for distributing and cutting strips of wound material.
  • the device for distributing and cutting strips of wound material is of the type comprising, from a protective support casing, a support for the reel of the wound material, articulated to allow the support of the roll of material on a drum rotated under the effect of manual traction of the free end of the material, said drum being mounted on support means fixed to the protective casing and including a cutting device, said drum being arranged in the form of a closed cylinder with a transverse slot for the passage of the cutting blade, said drum having a gripping external surface, characterized in that the drum has on a part of its periphery upstream of the cutting zone and on either side of a continuous peripheral central strip defining the continuity of the cylinder and delimited by the lateral ends of the drum, of the recesses or profiled openings established on a given sector or peripheral plane, and allowing the orientation and engagement of the parts of corresponding strips of material in case of angular pull of the end of the paper strip by the user not in accordance with normal traction defined
  • the dispensing and cutting device firstly comprises a support and protection casing (1) having a wall plate (1a) for support, lateral flanks (1b) and a hinged protective cover (2) on said flanks.
  • the cover is locked in the closed position by any suitable means.
  • the casing receives a reel holder consisting of one or two articulated arms (3) and pivoting on an axis (4) disposed on the bottom plate of the casing, said arms being arranged at their upper ends to maintain the roll (5) of wound material strip, said arms having hubs or similar means allowing the positioning and tightening of the roll mandrel.
  • An elastic return means (6) is attached to at least one of said arms to ensure their elastic return downwards.
  • the arms are coupled together by a connecting spacer (7) or the aforementioned assembly can be made in one piece.
  • the return spring is fixed at one of its ends to one of the arms or to a connecting spacer between the two arms and at its other end in a lower plane by being fixed to a lug or similar attachment means .
  • the device receives a drum (8) constituted by a hollow cylinder having on all or part of its periphery a gripping zone obtained for example by an emery cloth or similar material.
  • the drum laterally has flanges (8-6) arranged with openings (8-7) for positioning axes of rotation and support link on the sides of the housing.
  • the apparatus comprises a device for cutting the different successive sections of unwound materials.
  • This cutting device (9) can be placed inside the drum and be retractable using a cam system described for example in French patents 2,332,215 and 2,340,887 of the applicant, the drum then being arranged with a transverse slot (8-8) for the passage of the cutting blade at the end of the exercise of the tensile force.
  • the cutting device can be in a fixed position by being placed on the drum according to the technique described for example in patent FR 2,182,404.
  • the drum is fitted out with profiled recesses or openings (8-1) (8-2), over part of its perimeter leaving a continuous central strip (8-3) appearing and on both sides of said recesses.
  • These recesses or openings are established on only part of the peripheral periphery of the drum, leaving a solid area (8-4) over the entire length of the drum, and arranged to present a self-gripping exterior surface. This surface comes into adjacent border with for example the transverse slot allowing the passage of the cutting blade.
  • the central border (8-3) is also fitted with a self-gripping exterior surface.
  • the profile of connection (8-5) of the openings or recesses with the solid part of the drum is established in such a way that there is a progressive and continuous guiding of the strip of material, and allowing possible support of the material in the event of traction on the strip of misaligned material.
  • This profile is inclined internally, for example at 45 degrees, and is produced on all or part of each of the lateral ends of the central border (8-3).
  • the cuts or recesses thus established offer the advantage of allowing the strip of material towed according to an angular misalignment to partially penetrate into the drum and thus not to rub against it which caused as explained according to the prior art tearing unexpected and not very clear of the material and its blocking in position inside the device.
  • the breaking and tearing effect takes place from the central central zone of the drum, then naturally extending on both sides during the rotation of the drum.
  • cutouts or recesses have a decreasing profile transversely from the outside to the inside to accompany the unwinding of the material.
  • the openings or recesses are arranged upstream of the cutting device, that is to say before the intervention thereof. The same is therefore the case with the central zone (8-3) which alone supports the material roll.
  • the openings (8-1) (8-2) are located at the rear opposite the bottom of the housing of the device while it has been illustrated in a nonlimiting manner a cutting device.
  • the drum according to the invention is applicable to all cutting systems implementing the concept of driving the drum by manual traction of the material by an operator.
  • Another advantage according to the invention lies in the fact that the technical problem has been solved without the addition of additional parts or means and, on the contrary, by further simplifying the manufacture of the apparatus and of the drum in particular. Furthermore, due to the new design of the drum, the material can no longer remain in the device.
  • the drum thus designed can be produced in one or two parts assembled by any desired means.
  • a spacer bar connecting the extreme lateral cheeks of the drum can be provided as a complementary measure to give it greater rigidity.
  • illustrated means have already been described in the applicant's patents to facilitate, for example, the driving of the drum and the routing of the strip of material. It is in particular a belt (10) centered on a central groove of the drum and returned by a bar (11) disposed in the lower part of the device.

Landscapes

  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Replacement Of Web Rolls (AREA)
  • Accessories And Tools For Shearing Machines (AREA)
  • Braking Arrangements (AREA)
  • Tyre Moulding (AREA)
  • Vending Machines For Individual Products (AREA)
  • Sawing (AREA)
  • Unwinding Webs (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
  • Winding, Rewinding, Material Storage Devices (AREA)

Abstract

The apparatus for simultaneously dispensing and cutting wound materials is noteworthy in that the drum (8) has, over a part of its periphery, upstream of the cutting zone and on both sides of a continuous, peripheral and central web (8-3), defining the continuity of the roll and delimited by the lateral ends of the drum, profiled openings or recesses (8-1) (8-2) made over a specific peripheral plane or sector and permitting the orientation and engagement of the corresponding parts of material webs in the event of angular traction of the end of the paper web by the user not in accordance with a normal traction defined in the front extension of the apparatus. <IMAGE>

Description

L'invention se rattache aux secteurs techniques des appareils de distribution de papier en tous matériaux ouatés et similaires proposant à partir de bandes de matériaux enroulés, le détachement ou fractionnement de longueurs de bandes préétablies.The invention relates to the technical sectors of paper dispensing devices made of all padded materials and the like, offering from strips of rolled up materials the detachment or fractionation of lengths of pre-established strips.

Le demandeur fait exploiter des appareils de ce type qui sont définis par exemple dans de nombreux brevets français tels que 2.182.404, 2.196.642, 2.212.076, 2.332.215, 2.340.887 et les brevets étrangers équivalents.The applicant operates devices of this type which are defined for example in many French patents such as 2,182,404, 2,196,642, 2,212,076, 2,332,215, 2,340,887 and equivalent foreign patents.

Ces appareils ont en commun la caractéristique de présenter agencés et positionnés dans un carter de protection, un porte-rouleau articulé et coopérant par friction avec un tambour entraîné en rotation par la simple traction manuelle sur l'extrémité libre du matériau débordant de l'appareil.These devices have in common the characteristic of having, arranged and positioned in a protective casing, an articulated roller holder and cooperating by friction with a drum driven in rotation by simple manual traction on the free end of the material overflowing from the device. .

En fin de traction, un dispositif de coupe intégré ou non à l'intérieur du tambour permet la coupe instantanée de la bande de matériau à la longueur préétablie. Selon les dispositions connues, le tambour présente une fente transversale pour le passage de la lame de coupe laquelle est déplacée par tous moyens connus tels que ceux décrits non limitativement dans certains des brevets précités. Le tambour présente par ailleurs sur toute sa périphérie hors zone de la fente des moyens d'accrochage ou agrippants du type toile émeri ou matériaux similaires pour faciliter l'entrainement du rouleau de bandes de matériaux.At the end of traction, a cutting device integrated or not inside the drum allows instantaneous cutting of the strip of material to the preset length. According to known arrangements, the drum has a transverse slot for the passage of the cutting blade which is moved by any known means such as those described without limitation in some of the aforementioned patents. The drum also has, over its entire periphery outside the slot area, hooking or gripping means of the emery cloth or similar materials type to facilitate the training of the roll of strips of material.

Les appareils qui sont agencés avec ces différents moyens sont largement exploités et ce dans des conditions satisfaisantes. Cependant, au cours de cette exploitation, on a constaté certains inconvénients ou gênes en fonction des conditions de l'orientation de traction de la bande de matériaux par l'utilisateur. En effet, si dans le cas d'utilisation normale, la feuille de matériau tractée est sollicitée dans le prolongement avant de l'appareil, il arrive quelquefois que l'utisateur tire le matériau en étant dans un plan angulaire décalé. Dans ces conditions, les forces de traction s'effectuent différemment et par suite du contact du matériau sur la surface pleine et accrochante du tambour, l'effet de coupe s'effectue en provoquant un déchirement inopiné du matériau peu net, en laissant apparaître des extrémités de bandes de très mauvaise qualité et peu esthétique. Par aileurs, le matériau reste à l'intérieur de l'appareil, et il faut donc procéder à des manipulations pour sortir l'extrémité du matériau en provoquant la rotation du tambour.The devices which are arranged with these various means are widely used and this under satisfactory conditions. However, during this operation, certain drawbacks or discomfort were noted depending on the conditions of the orientation of user pulls the strip of materials. Indeed, if in the case of normal use, the sheet of towed material is stressed in the front extension of the device, it sometimes happens that the user pulls the material while being in an offset angular plane. Under these conditions, the tensile forces are effected differently and as a result of the contact of the material on the solid and gripping surface of the drum, the cutting effect is effected by causing an unexpected tearing of the not very clear material, leaving appear ends of very poor quality and unattractive strips. By the way, the material remains inside the device, and it is therefore necessary to carry out manipulations to remove the end of the material by causing the rotation of the drum.

En outre, un autre inconvénient d'un tel dispositif réside dans le fait qu'il peut provoquer en fonction de la fréquence des mauvaises manipulations en traction, une détérioration des mécanismes de fonctionnement de l'appareil.In addition, another drawback of such a device lies in the fact that it can cause, depending on the frequency of improper handling in traction, a deterioration of the operating mechanisms of the device.

Les inconvénients sont constatés pour certains types de papier ou matériaux d'essuyage et en particulier de papier fin.The disadvantages are noted for certain types of paper or wiping materials and in particular fine paper.

Le but recherché selon l'invention était donc de remédier aux inconvénients précités en proposant un nouvel aménagement du dispositif de distribution et de coupe de bandes de matériaux enroulées.The aim sought after according to the invention was therefore to remedy the aforementioned drawbacks by proposing a new arrangement of the device for distributing and cutting strips of wound material.

Ce but est atteint sans modification du concept de distribution et de coupe objet des brevets précités et par un aménagement particulier du tambour.This object is achieved without modification of the concept of distribution and cutting object of the aforementioned patents and by a particular arrangement of the drum.

Ainsi, selon une première caractéristique de l'invention, le dispositif de distribution et de coupe de bandes de matériaux enroulés est du type comprenant à partir d'un carter support de protection, un support porte bobine du matériau enroulé, articulé pour permettre l'appui du rouleau de matériau sur un tambour mis en rotation sous l'effet de traction manuelle de l'extrémité libre du matériau, ledit tambour étant monté sur des moyens supports fixés au carter de protection et incluant un dispositif de coupe, ledit tambour étant agencé en constituant un cylindre fermé avec une fente transversale pour le passage de la lame de coupe, ledit tambour présentant une surface extérieure agrippante, caractérisée en ce que le tambour présente sur une partie de sa périphérie en amont de la zone de coupe et de part et d'autre d'une bande centrale périphérique continue définissant la continuité du cylindre et délimités par les extrémités latérales du tambour, des évidements ou ouvertures profilées établies sur un secteur ou plan périphérique déterminé, et permettant l'orientation et engagement des parties de bandes de matériaux correspondantes en cas de traction angulaire de l'extrémité de la bande de papier par l'utilisateur non conforme à une traction normale définie dans le prolongement avant de l'appareil.Thus, according to a first characteristic of the invention, the device for distributing and cutting strips of wound material is of the type comprising, from a protective support casing, a support for the reel of the wound material, articulated to allow the support of the roll of material on a drum rotated under the effect of manual traction of the free end of the material, said drum being mounted on support means fixed to the protective casing and including a cutting device, said drum being arranged in the form of a closed cylinder with a transverse slot for the passage of the cutting blade, said drum having a gripping external surface, characterized in that the drum has on a part of its periphery upstream of the cutting zone and on either side of a continuous peripheral central strip defining the continuity of the cylinder and delimited by the lateral ends of the drum, of the recesses or profiled openings established on a given sector or peripheral plane, and allowing the orientation and engagement of the parts of corresponding strips of material in case of angular pull of the end of the paper strip by the user not in accordance with normal traction defined in the forward extension of the device.

Ces caractéristiques et d'autres encore ressortiront bien de la suite de la description.These characteristics and others will emerge clearly from the following description.

Pour fixer l'objet de l'invention illustré d'une manière non limitative aux figures des dessins où:

  • - la figure 1 est une vue de côté d'un appareil de distribution et de coupe simultanée de bandes de matériaux enroulés agencé avec un tambour perfectionné selon l'invention,
  • - la figure 2 est une vue en perspective du tambour perfectionné selon l'invention considéré indépendamment,
  • - la figure 3 est une vue de l'appareil en coupe selon la ligne III-III de la figure 1, étant illustré une traction correcte et normale de l'extrémité de la bande de matériau enroulé,
  • - la figure 4 est une vue à caractère schématique montrant la position de la bande de matériau autour du tambour en cas de traction dans un plan angulaire en désalignement.
To fix the subject of the invention illustrated in a nonlimiting manner in the figures of the drawings where:
  • FIG. 1 is a side view of a device for distributing and simultaneously cutting strips of wound material arranged with an improved drum according to the invention,
  • FIG. 2 is a perspective view of the improved drum according to the invention considered independently,
  • FIG. 3 is a view of the device in section along the line III-III of FIG. 1, being illustrated a correct and normal traction of the end of the strip of wound material,
  • - Figure 4 is a schematic view showing the position of the strip of material around the drum when pulled in an angular plane out of alignment.

Afin de rendre plus concret l'objet de l'invention, on le décrit maintenant d'une manière non limitative illustrée aux figures des dessins.In order to make the object of the invention more concrete, it is now described in a nonlimiting manner illustrated in the figures of the drawings.

L'appareil de distribution et de coupe comprend tout d'abord un carter (1) support et de protection présentant une plaque murale (1a) d'appui, des flancs latéraux (1b) et un couvercle de protection articulé (2) sur lesdits flancs. Le couvercle est verrouillé en position fermée par tous moyens appropriés. Dans sa partie supérieure, le carter reçoit un support porte bobine constitué par un ou deux bras articulés (3) et pivotant sur un axe (4) disposé sur la plaque de fond du carter, lesdits bras étant agencés à leurs extrémités supérieures pour maintenir le rouleau (5) de bande de matériau enroulé, lesdits bras présentant des moyeux ou moyens similaires permettant le positionnement et serrage du mandrin du rouleau.The dispensing and cutting device firstly comprises a support and protection casing (1) having a wall plate (1a) for support, lateral flanks (1b) and a hinged protective cover (2) on said flanks. The cover is locked in the closed position by any suitable means. In its upper part, the casing receives a reel holder consisting of one or two articulated arms (3) and pivoting on an axis (4) disposed on the bottom plate of the casing, said arms being arranged at their upper ends to maintain the roll (5) of wound material strip, said arms having hubs or similar means allowing the positioning and tightening of the roll mandrel.

Un moyen de rappel élastique (6) est accroché à au moins l'un desdits bras pour assurer leur rappel élastique vers le bas. Les bras sont accouplés entre eux par une entretoise de liaison (7) ou l'ensemble précité peut être réalisé en une seule pièce. Le ressort de rappel est fixé à l'une de ses extrémités à l'un des bras ou à une entretoise de liaison entre les deux bras et à son autre extrémité dans un plan inférieur en étant fixé à une patte ou moyen d'accrochage similaire.An elastic return means (6) is attached to at least one of said arms to ensure their elastic return downwards. The arms are coupled together by a connecting spacer (7) or the aforementioned assembly can be made in one piece. The return spring is fixed at one of its ends to one of the arms or to a connecting spacer between the two arms and at its other end in a lower plane by being fixed to a lug or similar attachment means .

De manière connue, le dispositif reçoit un tambour (8) constitué par un cylindre creux présentant sur tout ou partie de sa périphérie une zone agrippante obtenue par exemple par une toile émeri ou matériau similaire. Le tambour présente latéralement des flasques (8-6) agencés avec des ouvertures (8-7) pour le positionnement d'axes de rotation et de liaison support sur les flancs du carter.In known manner, the device receives a drum (8) constituted by a hollow cylinder having on all or part of its periphery a gripping zone obtained for example by an emery cloth or similar material. The drum laterally has flanges (8-6) arranged with openings (8-7) for positioning axes of rotation and support link on the sides of the housing.

Par ailleurs, l'appareil comprend un dispositif de coupe des différentes sections successives de matériaux déroulés. Ce dispositif de coupe (9) peut être disposé à l'intérieur du tambour et être escamotable à l'aide d'un système à cames décrit par exemple dans les brevets français 2.332.215 et 2.340.887 du demandeur, le tambour étant alors agencé avec une fente transversale (8-8) pour le passage de la lame de coupe à la fin de l'exercice de la force de traction. En variante, le dispositif de coupe peut être à position fixe en étant disposé sur le tambour selon la technique décrite par exemple dans le brevet FR 2.182.404.Furthermore, the apparatus comprises a device for cutting the different successive sections of unwound materials. This cutting device (9) can be placed inside the drum and be retractable using a cam system described for example in French patents 2,332,215 and 2,340,887 of the applicant, the drum then being arranged with a transverse slot (8-8) for the passage of the cutting blade at the end of the exercise of the tensile force. As a variant, the cutting device can be in a fixed position by being placed on the drum according to the technique described for example in patent FR 2,182,404.

Ainsi la distribution et la coupe de la bande de matériau s'effectue par simple traction manuelle de l'extrémité de la bande de matériau.Thus the distribution and cutting of the strip of material is carried out by simple manual pulling of the end of the strip of material.

Selon l'invention, pour permettre une coupe nette de la bande de matériau quelle que soit la position d'o-rientation angulaire du papier lors de la traction manuelle, et éviter que la bande de matériau reste dans l'appareil, le tambour est aménagé avec des évidements ou ouvertures profilés (8-1) (8-2), sur une partie de son périmètre en laissant apparaitre une bande centrale continue (8-3) et de part et d'autre lesdits évidements. Ces évidements ou ouvertures sont établis sur une partie seulement du pourtour périphérique du tambour en laissant une zone pleine (8-4) sur toute la longueur du tambour, et aménagée pour présenter une surface extérieure auto-agrippante. Cette surface vient en bordure adjacente avec par exemple la fente transversale autorisant le passage de la lame de coupe. Par ailleurs, la bordure centrale (8-3) est également aménagée avec une surface extérieure auto-agrippante.According to the invention, to allow a clean cut of the strip of material whatever the position of angular orientation of the paper during manual pulling, and to prevent the strip of material from remaining in the apparatus, the drum is fitted out with profiled recesses or openings (8-1) (8-2), over part of its perimeter leaving a continuous central strip (8-3) appearing and on both sides of said recesses. These recesses or openings are established on only part of the peripheral periphery of the drum, leaving a solid area (8-4) over the entire length of the drum, and arranged to present a self-gripping exterior surface. This surface comes into adjacent border with for example the transverse slot allowing the passage of the cutting blade. Furthermore, the central border (8-3) is also fitted with a self-gripping exterior surface.

Selon une autre disposition, le profil de raccordement (8-5) des ouvertures ou évidements avec la partie pleine du tambour est établie de telle manière qu'il y ait un guidage progressif et continu de la bande de matériau, et permettre un appui éventuel du matériau en cas de traction sur la bande de matériau en désalignement. Ce profil est incliné intérieurement, par exemple à 45 degrés, et est réalisé sur tout ou partie de chacune des extrémités latérales de la bordure centrale (8-3).According to another provision, the profile of connection (8-5) of the openings or recesses with the solid part of the drum is established in such a way that there is a progressive and continuous guiding of the strip of material, and allowing possible support of the material in the event of traction on the strip of misaligned material. This profile is inclined internally, for example at 45 degrees, and is produced on all or part of each of the lateral ends of the central border (8-3).

Les découpes ou évidements ainsi établis offrent l'avantage de permettre à la bande de matériaux tractée selon un désalignement angulaire de pénétrer partiellement dans le tambour et ainsi de ne pas frotter contre celui-ci ce qui provoquait comme expliqué selon l'art antérieur le déchirement inopiné et peu net du matériau et son blocage en position à l'intérieur de l'appareil. Tout au contraire, l'effet de rupture et de déchirement s'effectue à partir de la zone centrale médiane du tambour en se prolongeant ensuite naturellement de part et d'autre lors de la rotation du tambour.The cuts or recesses thus established offer the advantage of allowing the strip of material towed according to an angular misalignment to partially penetrate into the drum and thus not to rub against it which caused as explained according to the prior art tearing unexpected and not very clear of the material and its blocking in position inside the device. On the contrary, the breaking and tearing effect takes place from the central central zone of the drum, then naturally extending on both sides during the rotation of the drum.

Ainsi qu'il apparaît aux dessins, les découpes ou évidements présentent transversalement un profil dégressif de l'extérieur vers l'intérieur pour accompagner le déroulement du matériau.As it appears in the drawings, the cutouts or recesses have a decreasing profile transversely from the outside to the inside to accompany the unwinding of the material.

Les ouvertures ou évidements sont disposés en amont du dispositif de coupe c'est à dire avant l'intervention de celui-ci. Il en est de même par conséquent de la zone centrale (8-3) qui assure seule l'appui du rouleau de matériau. En se référant à la figure 1, on voit que la position du tambour avant traction et coupe d'une bande de matériau, les ouvertures (8-1)(8-2) se situent à l'arrière en regard du fond du carter de l'appareil tandis qu'il a été illustré de manière non limitative un dispositif de coupe.The openings or recesses are arranged upstream of the cutting device, that is to say before the intervention thereof. The same is therefore the case with the central zone (8-3) which alone supports the material roll. Referring to Figure 1, we see that the position of the drum before pulling and cutting a strip of material, the openings (8-1) (8-2) are located at the rear opposite the bottom of the housing of the device while it has been illustrated in a nonlimiting manner a cutting device.

Ainsi les avantages ressortent bien de l'invention. Outre la réduction du poids du tambour, l'économie de matière ressortant de l'aménagement nouveau du tambour, il y a lieu de mettre en valeur le fonctionnement très fiable de l'appareil quelles que soient les positions de traction de la bande de papier par un utilisateur. La coupe est nette, impeccable, rectiligne, indépendamment de toutes considérations de traction du matériau.Thus the advantages emerge clearly from the invention. In addition to reducing the weight of the drum, the economy material emerging from the new arrangement of the drum, it is necessary to enhance the very reliable operation of the device whatever the positions of traction of the strip of paper by a user. The cut is clean, impeccable, straight, regardless of any considerations of material traction.

Le tambour selon l'invention est applicable à tous systèmes de coupe mettant en oeuvre le concept de l'entrainement du tambour par traction manuelle du matériau par un opérateur.The drum according to the invention is applicable to all cutting systems implementing the concept of driving the drum by manual traction of the material by an operator.

Un autre avantage selon l'invention réside dans le fait que le problème technique a été résolu sans adjonction de pièces ou moyens supplémentaires et tout au contraire en simplifiant encore la fabrication de l'appareil et du tambour en particulier. Par ailleurs, de part la conception nouvelle du tambour, le matériau ne peut plus rester dans l'appareil.Another advantage according to the invention lies in the fact that the technical problem has been solved without the addition of additional parts or means and, on the contrary, by further simplifying the manufacture of the apparatus and of the drum in particular. Furthermore, due to the new design of the drum, the material can no longer remain in the device.

Tout en restant dans le cadre de l'invention, le tambour ainsi conçu peut être réalisé en une ou deux parties assemblées par tous moyens désirés. Il peut être prévu à titre complémentaire une barre entretoise reliant les joues latérales extrêmes du tambour pour lui conférer une plus grande rigidité.While remaining within the scope of the invention, the drum thus designed can be produced in one or two parts assembled by any desired means. A spacer bar connecting the extreme lateral cheeks of the drum can be provided as a complementary measure to give it greater rigidity.

Pour compléter les dessins, on a illustré des moyens connus déjà décrits dans des brevets du demandeur pour faciliter par exemple l'entrainement du tambour et le cheminement de la bande de matériau. Il s'agit en particulier d'une courroie (10) centrée sur une gorge médiane du tambour et renvoyée par une barre (11) disposée dans la partie inférieure de l'appareil.To complete the drawings, illustrated means have already been described in the applicant's patents to facilitate, for example, the driving of the drum and the routing of the strip of material. It is in particular a belt (10) centered on a central groove of the drum and returned by a bar (11) disposed in the lower part of the device.

Claims (11)

Appareil de distribution et de coupe simultané de bandes de matériaux enroulés du type comprenant à partir d'un carter (1) support de protection, un bras porte bobine (3) du matériau enroulé, articulé pour permettre l'appui du rouleau (5) de matériau sur un tambour (8) mis en rotation sous l'effet de traction manuelle de l'extrémité libre du matériau, ledit tambour étant monté sur des moyens supports fixés au carter de protection et incluant un dispositif de coupe, ledit tambour étant agencé en constituant un cylindre fermé avec une fente transversale (8-8) pour le passage de la lame de coupe (9), ledit tambour présentant une surface extérieure agrippante, caractérisée en ce que le tambour (8) présente sur une partie de sa périphérie en amont de la zone de coupe et de part et d'autre d'une bande centrale (8-3) périphérique continue définissant la continuité du cylindre et délimitée par les extrémités latérales du tambour, des évidements ou ouvertures (8-1) (8-2) profilées établies sur un secteur ou plan périphérique déterminé, et permettant l'orientation et engagement des parties de bandes de matériaux correspondantes en cas de traction angulaire de l'extrémité de la bande de papier par l'utilisateur non conforme à une traction normale définie dans le prolongement avant de l'appareil.Apparatus for distributing and simultaneously cutting strips of wound material of the type comprising, from a casing (1) protective support, a reel arm (3) of the wound material, articulated to allow the support of the roll (5) of material on a drum (8) rotated by the manual pulling effect of the free end of the material, said drum being mounted on support means fixed to the protective casing and including a cutting device, said drum being arranged constituting a closed cylinder with a transverse slot (8-8) for the passage of the cutting blade (9), said drum having an external gripping surface, characterized in that the drum (8) has on a part of its periphery upstream of the cutting zone and on either side of a continuous peripheral central strip (8-3) defining the continuity of the cylinder and delimited by the lateral ends of the drum, of the recesses or openings ( 8-1) (8-2) profiles established on a given sector or peripheral plane, and allowing the orientation and engagement of the parts of corresponding strips of material in the event of angular traction of the end of the strip of paper by the user not conforming to normal traction defined in the front extension of the device. Appareil selon la revendication 1, caractérisé en ce que les évidements ou ouvertures (8-1) (8-2) sont établis sur une partie seulement du pourtour périphérique du tambour en laissant une zone pleine (8-4) aménagée pour présenter une surface extérieure auto-agrippante.Apparatus according to claim 1, characterized in that the recesses or openings (8-1) (8-2) are established on only part of the peripheral periphery of the drum, leaving a solid area (8-4) arranged to present a surface hook-and-loop exterior. Appareil selon la revendication 2, caractérisé en ce que la surface (8-4) du tambour vient en bordure adjacente d'une fente transversale aménagée sur le tambour autorisant le passage de la lame de coupe.Apparatus according to claim 2, characterized in that the surface (8-4) of the drum comes into an adjacent border a transverse slot arranged on the drum allowing the passage of the cutting blade. Appareil selon la revendication 1, caractérisé en ce que la bordure centrale (8-3) est aménagée avec une surface extérieure auto-agrippante.Apparatus according to claim 1, characterized in that the central edge (8-3) is arranged with a self-gripping outer surface. Appareil selon l'une quelconque des revendications 1, 2, 3 et 4, caractérisé en ce que le profil de raccordement (8-5) des ouvertures ou évidements avec la partie pleine du tambour est établi pour assurer un guidage progressif et continu de la bande de matériau, et une zone d'appui potentiel.Apparatus according to any one of claims 1, 2, 3 and 4, characterized in that the connection profile (8-5) of the openings or recesses with the solid part of the drum is established to ensure progressive and continuous guidance of the strip of material, and a potential support area. Appareil selon la revendication 5, caractérisé en ce que les découpes ou évidements présentent transversalement un profil dégressif de l'intérieur vers l'extérieur pour accompagner le déroulement du matériau.Apparatus according to claim 5, characterized in that the cutouts or recesses have a decreasing profile transversely from the inside to the outside to accompany the unwinding of the material. Appareil selon l'une quelconque des revendications 5 et 6, caractérisé en ce que le profil de raccordement (8-5) des ouvertures ou évidements avec la partie pleine du tambour est incliné intérieurement, d'environ 45 degrés, et est réalisé sur otut ou partie de chacune des extrémités latérales de la bordure centrale (8-3).Apparatus according to any one of claims 5 and 6, characterized in that the connection profile (8-5) of the openings or recesses with the solid part of the drum is inclined internally, by about 45 degrees, and is produced on otut or part of each of the lateral ends of the central border (8-3). Appareil selon l'une quelconque des revendications 1 à 7, caractérisé en ce que les ouvertures ou évidements sont disposés en amont du dispositif de coupe.Apparatus according to any one of claims 1 to 7, characterized in that the openings or recesses are arranged upstream of the cutting device. Appareil selon l'une quelconque des revendication 1 à 8, caractérisé en ce que le tambour est aménagé intérieurement avec une fente transversale pour permettre l'engagement du dispositif de coupe escamotable.Apparatus according to any one of claims 1 to 8, characterized in that the drum is arranged internally with a transverse slot to allow engagement of the retractable cutting device. Appareil selon l'une quelconque des revendications 1 à 8 caractérisé en ce que le tambour est aménagé pour recevoir un dispositif de coupe à position fixe.Apparatus according to any one of claims 1 to 8 characterized in that the drum is arranged to receive a cutting device with a fixed position. Appareil selon la revendication 1, caractérisé en ce que le tambour présente entre ses flasques latéraux d'extrémités, une ou des bandes d'entretoises de rigidification.Apparatus according to claim 1, characterized in that the drum has between its lateral end flanges, one or more bands of stiffening spacers.
EP90420546A 1989-12-28 1990-12-13 Apparatus for simultaneously dispensing and cutting wound material webs Expired - Lifetime EP0435784B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8917570A FR2656601B1 (en) 1989-12-28 1989-12-28 APPARATUS FOR SIMULTANEOUSLY DISPENSING AND CUTTING TAPES OF ROLLED MATERIALS.
FR8917570 1989-12-28

Publications (2)

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EP0435784A1 true EP0435784A1 (en) 1991-07-03
EP0435784B1 EP0435784B1 (en) 1993-05-19

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EP90420546A Expired - Lifetime EP0435784B1 (en) 1989-12-28 1990-12-13 Apparatus for simultaneously dispensing and cutting wound material webs

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US (1) US5146830A (en)
EP (1) EP0435784B1 (en)
JP (1) JP2720887B2 (en)
KR (1) KR0138989B1 (en)
AT (1) ATE89532T1 (en)
AU (1) AU634322B2 (en)
DE (1) DE69001667T2 (en)
DK (1) DK0435784T3 (en)
ES (1) ES2041520T3 (en)
FR (1) FR2656601B1 (en)
PT (1) PT96375B (en)
ZA (1) ZA9010025B (en)

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WO1992016445A2 (en) * 1991-03-21 1992-10-01 Jim Scharf Holdings Ltd. Plastic wrap dispenser
WO1992016446A2 (en) * 1991-03-23 1992-10-01 Melitta Haushaltsprodukte Gmbh & Co. Kommanditgesellschaft Foil dispenser with sectioning device
WO1994005580A1 (en) * 1992-08-27 1994-03-17 The Axis Group Inc. Plastic film food wrap dispenser

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ATE160688T1 (en) * 1993-02-01 1997-12-15 Maurice Granger AUTOMATIC DISPENSER FOR MOP-UP MATERIAL AND TOILET PAPER
FR2723303B1 (en) 1994-08-03 1996-09-27 Granger Maurice APPARATUS FOR DISPENSING WIPING MATERIALS WHICH CAN BE DISTRIBUTED IN FOLDED OR UNFOLDED FORM
JPH10513089A (en) * 1995-02-07 1998-12-15 グランジェール，モーリス Drawer for folded and unfolded paper towels
DE19741618A1 (en) * 1997-09-20 1999-04-01 Beiersdorf Ag Adhesive tape dispenser and its use
US6314850B1 (en) 1998-01-22 2001-11-13 Perrin Manufacturing Company Paper toweling dispensing system
FR2778836B1 (en) * 1998-05-25 2000-06-30 Maurice Granger DRUM FOR DELIVERY OF WIPING MATERIAL IN A DISPENSING APPARATUS WITH ADJUSTMENT OF THE FORMAT AND LENGTH OF THE MATERIAL DELIVERED
FR2779050B1 (en) * 1998-05-28 2000-06-30 Maurice Granger APPARATUS FOR DISPENSING WIPING MATERIALS AND AUTOMATIC OR SEMI-AUTOMATIC TOILET PAPER
US6591727B1 (en) 2000-02-25 2003-07-15 Kimberly-Clark Worldwide, Inc. Recessed apparatus for cutting and dispensing a web of rolled material
FR2817728B1 (en) 2000-12-12 2003-03-21 Maurice Granger TAPE OUTPUT CONTROL DEVICE IN A MATERIAL DISPENSING APPARATUS
US6644155B2 (en) 2000-12-19 2003-11-11 Kimberly-Clark Worldwide, Inc. Roll product dispenser with improved cutting mechanism
FR2834439B1 (en) * 2002-01-09 2004-03-26 Maurice Granger DEVICE FOR CONTROLLING AND REPOSITIONING A COIL OF WIPING MATERIALS IN AN AUTOMATIC CUTTING DISPENSING APPARATUS
US7347134B2 (en) * 2004-09-29 2008-03-25 Kimberly-Clark Worldwide, Inc. No touch dispenser for sheet material with automatic advance
US7500420B2 (en) * 2005-04-25 2009-03-10 Perrin Manufacturing Company Paper towel dispenser apparatus
FR2910262B1 (en) * 2006-12-22 2009-02-13 Maurice Granger DRUM FOR APPARATUS DISPENSING WIPING MATERIALS
WO2013044385A1 (en) * 2011-09-26 2013-04-04 Cascades Canada Ulc Rolled product dispenser with multiple cutting blades and cutter assembly for a rolled product dispenser
WO2021016047A1 (en) 2019-07-19 2021-01-28 Dispensing Dynamics International, Inc. Dispensing systems with floating support rollers

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FR2596034A1 (en) * 1986-03-24 1987-09-25 Granger Maurice Improved apparatus for simultaneously dispensing and cutting sheets of rolled-up materials

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1992016445A2 (en) * 1991-03-21 1992-10-01 Jim Scharf Holdings Ltd. Plastic wrap dispenser
WO1992016445A3 (en) * 1991-03-21 1993-02-18 Scharf Jim Holdings Plastic wrap dispenser
WO1992016446A2 (en) * 1991-03-23 1992-10-01 Melitta Haushaltsprodukte Gmbh & Co. Kommanditgesellschaft Foil dispenser with sectioning device
WO1992016446A3 (en) * 1991-03-23 1993-06-10 Melitta Haushaltsprodukte Foil dispenser with sectioning device
WO1994005580A1 (en) * 1992-08-27 1994-03-17 The Axis Group Inc. Plastic film food wrap dispenser
AU679927B2 (en) * 1992-08-27 1997-07-17 Axis Group Inc., The Plastic film food wrap dispenser

Also Published As

Publication number Publication date
ZA9010025B (en) 1991-10-30
DE69001667D1 (en) 1993-06-24
AU6792290A (en) 1991-07-04
KR910011618A (en) 1991-08-07
EP0435784B1 (en) 1993-05-19
ES2041520T3 (en) 1993-11-16
DK0435784T3 (en) 1993-06-21
JP2720887B2 (en) 1998-03-04
PT96375A (en) 1992-09-30
FR2656601A1 (en) 1991-07-05
KR0138989B1 (en) 1998-07-01
PT96375B (en) 1998-07-31
ATE89532T1 (en) 1993-06-15
AU634322B2 (en) 1993-02-18
JPH0556876A (en) 1993-03-09
US5146830A (en) 1992-09-15
DE69001667T2 (en) 1993-08-26
FR2656601B1 (en) 1992-04-24

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