EP0371892A1 - Means for bagging folded compresses - Google Patents

Means for bagging folded compresses Download PDF

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Publication number
EP0371892A1
EP0371892A1 EP19890420465 EP89420465A EP0371892A1 EP 0371892 A1 EP0371892 A1 EP 0371892A1 EP 19890420465 EP19890420465 EP 19890420465 EP 89420465 A EP89420465 A EP 89420465A EP 0371892 A1 EP0371892 A1 EP 0371892A1
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EP
European Patent Office
Prior art keywords
widths
paper
compresses
folded
bagging
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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
EP19890420465
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German (de)
French (fr)
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EP0371892B1 (en
Inventor
Louis Marion
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Mabotex SA
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Mabotex SA
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Publication of EP0371892A1 publication Critical patent/EP0371892A1/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B9/00—Enclosing successive articles, or quantities of material, e.g. liquids or semiliquids, in flat, folded, or tubular webs of flexible sheet material; Subdividing filled flexible tubes to form packages
    • B65B9/02—Enclosing successive articles, or quantities of material between opposed webs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B2220/00—Specific aspects of the packaging operation
    • B65B2220/06—Cutting webs along their longitudinal direction

Definitions

  • the invention relates to a method and means for bagging several compresses, as well as the sachet obtained.
  • the object of the invention relates to the technical sectors of the handling of materials in strips as well as their packaging.
  • a paper presented in a reel of double width of the sachet to be obtained is used, the unwound strip is separated into two equal widths, the two lengths are made to run independently up to the level where the compresses are brought folded, the stacked compresses are advanced between the two widths of paper, then the cold sealing of the two overlapping widths is carried out and the cross-section of the sachets obtained, all of this continuously and automatically.
  • the means for producing the sachets which comprise, from a general frame, at least one reel holder of paper arranged transversely, at least one device for cutting into two equal widths of the unrolled strip or strips, deflection rollers and change of direction bars for each half-width of the band, a pressing and driving cylinder for each of the pairs of half-width of the band, which is placed at the outlet of the device for feeding folded compresses, said cylinders ensuring the superposition of pairs of half-widths of paper conveyed independently, cold-sealing rollers of pairs of half-widths between them, into which the folded and stacked compresses have been introduced, and tools for cross-cutting the sachets thus realized.
  • the longitudinal offset of the compresses folded between the half-width pairs of paper is obtained by the pressing and driving rollers of the half-width pairs of paper, which are mounted to oscillate so that by approximation of the upper drive cylinder with a half-width of paper against the lower cylinder, the end of a compress is pinched and engaged between the two superimposed half-widths, then by pressing the compress on the lower cylinder, lowering of the compress on the lower cylinder, and spacing of the upper cylinder, the next compress may appear in turn to be pinched by bringing the upper cylinder closer with a shift with respect to the previous one due to the continuous advance of the cylinders causing the two half-widths of paper and the compress used.
  • the bagging installation according to the invention is adapted following a machine for distributing strips wound and cut to length then folded to form compresses which are then guided between two grids on a conveyor belt with multiple belts ( T). This is where the bagging installation comes in.
  • an appropriate frame (not shown) carries the various organs necessary for this operation.
  • a reel (B) of paper comprising for example a blank half-width (B1) and a half-width (B2) printed on the visible face.
  • the strip of paper unrolled with its completely blank visible face passes through groups of deflection and tension rollers (2), (3), (4), and (5), (6), (7) associated with the frame. Between these two groups of rollers, the strip is cut longitudinally into two equal half-widths corresponding to the blank part and the printed part, by a pressure cutting device (L) for example using a disc with cutting edge on a hardened cylinder. At the same time, a cutout (B3) is started to facilitate the subsequent opening of the sachet; this cutting being completed during the transverse cutting of the sachets.
  • a pressure cutting device L
  • a cutout (B3) is started to facilitate the subsequent opening of the sachet; this cutting being completed during the transverse cutting of the sachets.
  • the virgin half-width (B1) is directed in the lower part directly towards a bar (8) mounted at articulation on the frame and extending at an angle of 45 ° relative to the direction d arrival of said half-width, in order to allow it to travel in a longitudinal direction to the frame.
  • the half-width (B1) is wound on a lower cylinder (12) arranged transversely at the end of the conveyor belt (T) and departs horizontally in opposite direction towards the free end of the frame.
  • the other half-width (B2) printed, at the exit of the roller (7) is directed vertically to the upper part of the frame, is wound on a deflection roller (13) to join horizontally a second bar (14) of change of direction identical to the bar (8) but inclined at 45 ° in reverse, in order to direct the half-width (B2) towards the free end of the frame where it is wound on a deflection roller (15) to return towards the rear of the frame by passing through return and orientation change rollers (16), (17) bringing the half-width towards an upper cylinder (18) disposed at the end of the conveyor belt (T) and front of the lower cylinder (12).
  • the half-width (B2) wound on said cylinder (18) then departs horizontally towards the free end of the frame by being superimposed on the half-width (B1) and leaving between them a space (e) allowing the introduction of compresses.
  • the continuous driving of the half-widths (B1), (B2) is ensured by the cylinders (12) (18) which are connected in known manner to the drive members with speed variation, differential clutch and other devices necessary in the bagging process.
  • the half-widths (B1) (B2) after their winding on the cylinders (12), (18) are driven in continuous by the cold sealing tools of the two half-widths which are rotatably mounted on the frame, namely: a knurled cylinder (19) for the transverse sealing between the packs of compresses and lateral knurls (20) (21) for longitudinal sealing of edges.
  • the bags (S) thus formed are conventionally separated by a transverse cutting tool (22) terminating the cutting (B3) and conveyed to any packaging means.
  • the paper used is of the pre-glued type and according to which when the bag is opened, the glue is found on one side only to avoid re-use of the bag.
  • This type of sachet is commonly called “peelable sachet”.
  • the training of the half-widths (B1), (B2) must be carried out at constant voltage.
  • the inclined bars (8), (14) are mounted in a particular way.
  • the upper cylinder (18) is mounted on lateral arms (23) articulated on an axis (24) which itself carries by bars (25) the tension roller (17) applied over the half-width (B2).
  • the lower cylinder (12) is also carried by lateral arms (26) articulated on the roller (11) and the other end of which carries the roller (10).
  • the lower cylinder (12) is then lowered by the value of the thickness of the compress, while the cylinder upper (18) is returned to the spacing position (arrow F3, Figure 5) allowing the abutment of another pad.
  • the following pads will be introduced between said half-widths with an offset (d).
  • This so-called "tile" arrangement of the superimposed pads makes it possible to produce a stacking of small thickness, aided by the crushing of the folded pad made by the upstream folding station. As a result, cold sealing is facilitated and the risk of points or unsealed areas is avoided, as is the case with the device according to the prior art.
  • the framing of the print and of the glued areas, as well as the exact superimposition of the half-widths are ensured by detector means (symbolized by the mark (D), arranged laterally at the outlet of the cylinders (12) , (18) and acting according to marks on the paper.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)
  • Packaging Of Special Articles (AREA)
  • Containers And Plastic Fillers For Packaging (AREA)
  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
  • Basic Packing Technique (AREA)
  • Package Closures (AREA)
  • Container Filling Or Packaging Operations (AREA)
  • Plural Heterocyclic Compounds (AREA)

Abstract

This method is notable in that a paper presented as a reel (B) of a width double that of the bag (S) to be obtained is used, the unwound web is separated into two equal widths (B1) (B2), the two half-widths are conveyed independently to the level where the folded compresses are supplied, the stacked compresses are advanced between the two half-widths of paper superposed one on the other, and then the cold sealing of the two superposed half-widths and the cross-cutting of the bags obtained are carried out, all this taking place continuously and automatically. <IMAGE>

Description

L'invention concerne un procédé et des moyens d'ensa­chage de plusieurs compresses, ainsi que le sachet obtenu.The invention relates to a method and means for bagging several compresses, as well as the sachet obtained.

L'objet de l'invention se rattache aux secteurs tech­niques de la manipulation des matériaux en bandes ainsi que de leur conditionnement.The object of the invention relates to the technical sectors of the handling of materials in strips as well as their packaging.

On connait des machines exécutant en continu et de manière automatique des compresses pliées à partir de bobines. C'est le cas notamment de la machine ayant fait l'objet du bre­vet français no 81.00687 dont le déposant est également le Titu­laire.There are known machines which continuously and automatically fold compresses from coils. This is the case of the machine having been the subject of French Patent No. 81.00687 which the applicant is also the holder.

Ces compresses pliées doivent ensuite être condition­nées soit dans des boîtes, soit dans des sachets. l'ensachage s'opère généralement par scellage à chaud à l'aide d'outils ap­propriés (molettes, rouleaux...) ce qui implique une certaine lenteur (pression, température...). D'autre part, les compresses amenées depuis le poste de pliage, sont empilées les unes sur les autres, en vue de l'ensachage, avec donc une épaisseur rela­tivement importante qui peut nuire à la fermeture du sachet ob­tenu par rapprochement et soudure de deux feuilles de papier entre lesquelles sont empilées les compresses.These folded compresses must then be packaged either in boxes or in sachets. bagging is generally carried out by hot sealing using appropriate tools (knobs, rollers, etc.), which implies a certain slowness (pressure, temperature, etc.). On the other hand, the compresses brought from the folding station, are stacked on top of each other, for bagging, with a relatively large thickness which can hinder the closing of the bag obtained by bringing together and welding two sheets of paper between which the compresses are stacked.

C'est pour éviter ces inconvénients et assurer un con­ditionnement rapide et étanche des compresses pliées, avec un encombrement minimum, que l'on propose selon l'invention de réa­liser un empilage , en "tuile" des compresses et un scellage à froid des feuilles de papier d'ensachage.It is in order to avoid these drawbacks and to ensure rapid and leaktight packaging of the folded compresses, with a minimum bulk, that it is proposed according to the invention to make a stack, in "tile" of the compresses and a cold sealing of the sheets. bagging paper.

A cet effet, et selon une première caractéristique on utilise un papier présenté en bobine de largeur double du sachet à obtenir, on sépare en deux largeurs égales la bande déroulée, on fait cheminer indépendamment les deux longueurs jusqu'au ni­veau où sont amenées les compresses pliées, on fait avancer les compresses empilées entre les deux largeurs de papier, puis on réalise le scellage à froid des deux largeurs superposées et la coupe transversale des sachets obtenus, tout cela en continu et de manière automatique.For this purpose, and according to a first characteristic, a paper presented in a reel of double width of the sachet to be obtained is used, the unwound strip is separated into two equal widths, the two lengths are made to run independently up to the level where the compresses are brought folded, the stacked compresses are advanced between the two widths of paper, then the cold sealing of the two overlapping widths is carried out and the cross-section of the sachets obtained, all of this continuously and automatically.

Suivant une autre caractéristique, on introduit les compresses pliées entre les deux largeurs de papier superposées, en décalage longitudinal pour réaliser un empilage des compres­ses sous une épaisseur réduite.According to another characteristic, we introduce the compresses folded between the two superimposed widths of paper, longitudinally offset so as to stack the compresses under a reduced thickness.

Une autre caractéristique se trouve dans les moyens de réalisation des sachets qui comprennent à partir d'un bâti géné­ral, au moins un porte-bobine de papier disposé transversale­ment, au moins un dispositif de coupe en deux largeurs égales de la ou des bandes déroulées, des rouleaux de renvoi et des barres de changement de direction de chaque demi-largeur de bande, un cylindre presseur et entraineur pour chacun des couples de demi-­largeurs de bande, qui est placé à la sortie du dispositif d'a­menage des compresses pliées, lesdits cylindres asssurant la superposition des couples de demi-largeurs de papier acheminées indépendamment, des molettes de scellage à froid des couples de demi-largeurs entre eux, dans lesquels ont été introduites les compresses pliées et empilées, et des outils de coupe transver­sale des sachets ainsi réalisés.Another characteristic is found in the means for producing the sachets which comprise, from a general frame, at least one reel holder of paper arranged transversely, at least one device for cutting into two equal widths of the unrolled strip or strips, deflection rollers and change of direction bars for each half-width of the band, a pressing and driving cylinder for each of the pairs of half-width of the band, which is placed at the outlet of the device for feeding folded compresses, said cylinders ensuring the superposition of pairs of half-widths of paper conveyed independently, cold-sealing rollers of pairs of half-widths between them, into which the folded and stacked compresses have been introduced, and tools for cross-cutting the sachets thus realized.

Selon une autre caractéristique l'introduction en dé­calage longitudinal des compresses pliées entre les couples de demi-largeur de papier est obtenue par les cylindres presseurs et entraineurs des couples de demi-largeur de papier, qui sont montés à oscillation de telle sorte que par rapprochement du cylindre supérieur d'entrainement d'une demi-largeur de papier contre le cylindre inférieur, l'extrémité d'une compresse soit pincée et engagée entre les deux demi-largeurs superposées, puis par plaquage de la compresse sur le cylindre inférieur, abaisse­ment de la compresse sur le cylindre inférieur, et écartement du cylindre supérieur, la compresse suivante puisse se présenter à son tour pour être pincée par rapprochement du cylindre supé­rieur avec un décalage par rapport à la précédente du fait de l'avance continue des cylindres entrainant les deux demi-­largeurs de papier et la compresse engagée.According to another characteristic, the longitudinal offset of the compresses folded between the half-width pairs of paper is obtained by the pressing and driving rollers of the half-width pairs of paper, which are mounted to oscillate so that by approximation of the upper drive cylinder with a half-width of paper against the lower cylinder, the end of a compress is pinched and engaged between the two superimposed half-widths, then by pressing the compress on the lower cylinder, lowering of the compress on the lower cylinder, and spacing of the upper cylinder, the next compress may appear in turn to be pinched by bringing the upper cylinder closer with a shift with respect to the previous one due to the continuous advance of the cylinders causing the two half-widths of paper and the compress used.

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

Pour fixer l'objet de l'invention sans toutefois le limiter, dans les dessins annexés :

  • - La figure 1 est une vue en perspective à caractère très schématique illustrant le procédé d'ensachage.
  • - La figure 2 est une vue de face à caractère shémati­que illustrant l'introduction des compresses entre les bandes de papier.
  • - Les figures 3 à 6 montrent par des vues partielles et très schématiques les phases principales de l'ensachage en "tuile" des compresses.
  • - La figure 7 est une vue en plan montrant les com­presses ensachées.
To fix the subject of the invention without however the limit, in the attached drawings:
  • - Figure 1 is a very schematic perspective view illustrating the bagging process.
  • - Figure 2 is a front view of a thematic character illustrating the introduction of compresses between the paper strips.
  • - Figures 3 to 6 show by partial and very schematic views the main phases of bagging in "tile" compresses.
  • - Figure 7 is a plan view showing the bagged compresses.

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

L'installation d'ensachage selon l'invention est adap­tée à la suite d'une machine de distribution de bandes enroulées et coupées à la longueur puis pliées pour constituer des com­presses qui sont alors guidées entre deux grilles sur un tapis transporteur à courroies multiples (T). C'est à partir de là qu'intervient l'installation d'ensachage.The bagging installation according to the invention is adapted following a machine for distributing strips wound and cut to length then folded to form compresses which are then guided between two grids on a conveyor belt with multiple belts ( T). This is where the bagging installation comes in.

Pour cela, une bâti approprié (non représenté) porte les différents organes nécessaires à cette opération. En premier lieu, on trouve un axe (1) fixé transversaledment à l'extérieur du bâti. Sur cet axe est montée une bobine (B) de papier compre­nant par exemple une demi-largeur (B1) vierge et une demi-­largeur (B2) imprimée sur la face apparente.For this, an appropriate frame (not shown) carries the various organs necessary for this operation. First, there is an axis (1) fixed transversely to the outside of the frame. On this axis is mounted a reel (B) of paper comprising for example a blank half-width (B1) and a half-width (B2) printed on the visible face.

La bande de papier déroulée avec sa face apparente complètement vierge passe par des groupes de rouleaux de renvoi et de tension (2), (3), (4), et (5), (6), (7) associés au bâti. Entre ces deux groupes de rouleaux, la bande est coupée longitu­dinalement en deux demi-largeurs égales correspondant à la par­tie vierge et à la partie imprimée, par un dispositif de coupe par pression (L) par exemple à l'aide d'un disque à bord coupant sur un cylindre trempé. En même temps, on amorce une découpe (B3) pour faciliter l'ouverture ultérieure du sachet ; cette découpe étant achevée lors de la coupe transversale des sachets.The strip of paper unrolled with its completely blank visible face passes through groups of deflection and tension rollers (2), (3), (4), and (5), (6), (7) associated with the frame. Between these two groups of rollers, the strip is cut longitudinally into two equal half-widths corresponding to the blank part and the printed part, by a pressure cutting device (L) for example using a disc with cutting edge on a hardened cylinder. At the same time, a cutout (B3) is started to facilitate the subsequent opening of the sachet; this cutting being completed during the transverse cutting of the sachets.

A la sortie du rouleau (7), la demi-largeur (B1) vier­ge est dirigée en partie basse directement vers une barre (8) montée à articulation sur le bâti et s'étendant selon un angle de 45° par rapport au sens d'arrivée de ladite demi-largeur, afin de permettre son défilement selon une direction longitudi­nale au bâti. Après passage sur un autre groupe de rouleaux de renvoi (9), (10), (11), la demi-largeur (B1) s'enroule sur un cylindre inférieur (12) disposé transversalement en bout du ta­pis transporteur (T) et repart horizontalement en sens inverse en direction de l'extrémité libre du bâti.At the exit of the roller (7), the virgin half-width (B1) is directed in the lower part directly towards a bar (8) mounted at articulation on the frame and extending at an angle of 45 ° relative to the direction d arrival of said half-width, in order to allow it to travel in a longitudinal direction to the frame. After passing over another group of deflection rollers (9), (10), (11), the half-width (B1) is wound on a lower cylinder (12) arranged transversely at the end of the conveyor belt (T) and departs horizontally in opposite direction towards the free end of the frame.

L'autre demi-largeur (B2) imprimée, à la sortie du rouleau (7) est dirigée verticalement à la partie supérieure du bâti, s'enroule sur un rouleau de renvoi (13) pour rejoindre horizontalement une deuxième barre (14) de changement de direc­tion identique à la barre (8) mais inclinée à 45° de manière inverse, afin de diriger la demi-largeur (B2) vers l'extrémité libre du bâti où elle s'enroule sur un rouleau de renvoi (15) pour revenir vers l'arrière du bâti en passant par des rouleaux de renvoi et de changement d'orientation (16), (17) amenant la demi-largeur vers un cylindre supérieur (18) disposé en bout du tapis transporteur (T) et en avant du cylindre inférieur (12).The other half-width (B2) printed, at the exit of the roller (7) is directed vertically to the upper part of the frame, is wound on a deflection roller (13) to join horizontally a second bar (14) of change of direction identical to the bar (8) but inclined at 45 ° in reverse, in order to direct the half-width (B2) towards the free end of the frame where it is wound on a deflection roller (15) to return towards the rear of the frame by passing through return and orientation change rollers (16), (17) bringing the half-width towards an upper cylinder (18) disposed at the end of the conveyor belt (T) and front of the lower cylinder (12).

La demi-largeur (B2) enroulée sur ledit cylindre (18) repart ensuite horizontalement vers l'extrémité libre du bâti en étant superposée à la demi-largeur (B1) et en laissant entre elles un espace (e) permettant l'introduction des compresses.The half-width (B2) wound on said cylinder (18) then departs horizontally towards the free end of the frame by being superimposed on the half-width (B1) and leaving between them a space (e) allowing the introduction of compresses.

A noter que la face imprimée de la demi-largeur (B2) est alors située sur le dessus compte tenu des différentes orientations.Note that the printed side of the half-width (B2) is then located on the top taking into account the different orientations.

L'entrainement en continu des demi-largeurs (B1), (B2) est assuré par les cylindres (12) (18) qui sont reliés de manière connue à des organes moteurs avec variation de vitesse, embraya­ge différentiel et autres dispositifs nécessaires dans le pro­cessus d'ensachage. De même, les demi-largeurs (B1) (B2) après leur enroulement sur les cylindres (12), (18) sont entrainées en continu par les outils de scellage à froid des deux demi-­largeurs qui sont montés à rotation sur la bâti, à savoir : un cylindre moleté (19) pour le scellage transversal entre les pa­quets de compresses et des molettes latérales (20) (21) pour le scellage longitudinal des bords. Les sachets (S) ainsi formés sont séparés de manière classique par un outil de coupe trans­versal (22) terminant la découpe (B3) et acheminés vers un moyen de conditionnement quelconque.The continuous driving of the half-widths (B1), (B2) is ensured by the cylinders (12) (18) which are connected in known manner to the drive members with speed variation, differential clutch and other devices necessary in the bagging process. Similarly, the half-widths (B1) (B2) after their winding on the cylinders (12), (18) are driven in continuous by the cold sealing tools of the two half-widths which are rotatably mounted on the frame, namely: a knurled cylinder (19) for the transverse sealing between the packs of compresses and lateral knurls (20) (21) for longitudinal sealing of edges. The bags (S) thus formed are conventionally separated by a transverse cutting tool (22) terminating the cutting (B3) and conveyed to any packaging means.

A noter que le papier utilisé est du type préencollé et selon lequel lorsqu'on ouvre le sachet, la colle se retrouve d'un seul côté afin d'éviter une réutilisation du sachet. Ce type de sachet est communément appelé "sachet pelable".Note that the paper used is of the pre-glued type and according to which when the bag is opened, the glue is found on one side only to avoid re-use of the bag. This type of sachet is commonly called "peelable sachet".

L'entrainement des demi-largeurs (B1), (B2) doit être effectué en tension constante. Pour cela, les barres inclinées (8), (14) sont montés d'une manière particulière.The training of the half-widths (B1), (B2) must be carried out at constant voltage. For this, the inclined bars (8), (14) are mounted in a particular way.

Le cylindre supérieur (18) est monté sur des bras la­téraux (23) articulés sur un axe (24) qui porte lui-même par des barrettes (25) le rouleau de tension (17) appliqué sur la demi-­largeur (B2).The upper cylinder (18) is mounted on lateral arms (23) articulated on an axis (24) which itself carries by bars (25) the tension roller (17) applied over the half-width (B2).

Le cylindre inférieur (12) est également porté par des bras latéraux (26) articulés sur le rouleau (11) et dont l'autre extrémité porte le rouleau (10).The lower cylinder (12) is also carried by lateral arms (26) articulated on the roller (11) and the other end of which carries the roller (10).

Lorsque les compresses (C) pliées et guidées sur le tapis transporteur (T) butent contre le cylindre inférieur (12) en position haute, le cylindre supérieur (18) qui a précédement été écarté, est alors rapproché (flèche F1, figure 3) du cylin­dre inférieur pour pincer l'extrémité avant de la compresse ; les demi-largeurs continuant d'avancer, la compresse est engagée entre les deux cylindres. A ce moment, un volet mobile (27) si­tué au-dessus du cylindre supérieur (18) est basculé vers le bas (Flèche F2, figure 4) pour appliquer la compresse sur le cylin­dre inférieur (12) et ainsi dégager le passage pour la compresse suivante par relevage du volet.When the compresses (C) folded and guided on the conveyor belt (T) abut against the lower cylinder (12) in the high position, the upper cylinder (18) which was previously moved apart, is then brought together (arrow F1, Figure 3) the lower cylinder to pinch the front end of the compress; the half-widths continuing to advance, the compress is engaged between the two cylinders. At this time, a movable flap (27) located above the upper cylinder (18) is tilted down (Arrow F2, Figure 4) to apply the compress to the lower cylinder (12) and thus clear the passage for the next compress by lifting the flap.

Le cylindre inférieur (12) est alors abaissé de la valeur de l'épaisseur de la compresse, tandis que le cylindre supérieur (18) est ramené en position d'écartement (flèche F3, figure 5) en permettant l'arrivée en butée d'une autre compres­se. Compte tenu de l'avancement en continu des demi-largeurs (B1), (B2) les compresses suivantes seront introduites entre lesdites demi-largeurs avec un décalage (d). Cette disposition dite "en tuiles" des compresses superposées permettent de réali­ser un empilage de faible épaisseur, aidé en cela par l'écrase­ment de la compresse aux pliures effectué par le poste de pliage en amont. De ce fait, le scellage à froid est facilité et on évite les risques de points ou zones non scellés comme cela est le cas avec le dispositif selon l'art antérieur.The lower cylinder (12) is then lowered by the value of the thickness of the compress, while the cylinder upper (18) is returned to the spacing position (arrow F3, Figure 5) allowing the abutment of another pad. Given the continuous advance of the half-widths (B1), (B2) the following pads will be introduced between said half-widths with an offset (d). This so-called "tile" arrangement of the superimposed pads makes it possible to produce a stacking of small thickness, aided by the crushing of the folded pad made by the upstream folding station. As a result, cold sealing is facilitated and the risk of points or unsealed areas is avoided, as is the case with the device according to the prior art.

A noter que le nombre de compresses ensachées est li­brement déterminé et commandé par un compteur à préselection.Note that the number of bagged compresses is freely determined and controlled by a preset counter.

Entre chaque paquet de compresses empilées, les demi-­largeurs de papier sont avancées plus rapidement (par le diffé­rentiele et l'embrayage).Between each pack of compresses stacked, the half-widths of paper are advanced more quickly (by the differential and the clutch).

D'autre part, le cadrage de l'impression et des zones encollées, ainsi que la superposition exacte des demi-largeurs sont assurés par des moyens détecteurs (symbolisés par le repère (D), disposés latéralement à la sortie des cylindres (12), (18) et agissant en fonction de repères sur le papier.On the other hand, the framing of the print and of the glued areas, as well as the exact superimposition of the half-widths are ensured by detector means (symbolized by the mark (D), arranged laterally at the outlet of the cylinders (12) , (18) and acting according to marks on the paper.

les avantages ressortent bien de la description, on souligne encore la rapidité d'ensachage, l'épaisseur réduite des sachets, et la possibilité d'utiliser des papiers imprimés.the advantages clearly emerge from the description, the speed of bagging, the reduced thickness of the sachets and the possibility of using printed papers are also emphasized.

Claims (10)

-1- Procédé d'ensachage de compresses pliées, caractérisé en ce qu'on utilise un papier présenté en bobine (B) de largeur double du sachet (S) à obtenir, on sépare en deux largeurs égales (B1) (B2) la bande déroulée, on fait cheminer indépendamment les deux demi-largeurs jusqu'au niveau où sont amenées les compresses pliées, on fait avancer les compresses empilées entre les deux demi-largeurs de papier ramenées en superposition, puis on réa­lise le scellage à froid des deux demi-largeurs superposées et la coupe transversale des sachets obtenus, tout cela en continu et de manière automatique.-1- Bagging process for folded compresses, characterized in that a paper presented in a reel (B) of double width of the sachet (S) to be obtained is used, the two are separated into two equal widths (B1) (B2) strip unrolled, the two half-widths are made to run independently up to the level where the folded compresses are brought, the compresses stacked between the two half-widths of paper brought in superposition are advanced, then the cold sealing of the two is carried out half-widths superimposed and the cross-section of the bags obtained, all of this continuously and automatically. -2- Procédé d'ensachage de compresses pliées, caractérisé en ce qu'on introduit les compresses pliées (c) entre les deux demi-­largeurs (B1) (B2) de papier superposées, en décalage longitudi­nal pour réaliser un empilage des compresses sous une épaisseur réduite.-2- Bagging process for folded compresses, characterized in that the folded compresses (c) are introduced between the two half-widths (B1) (B2) of superimposed paper, longitudinally offset so as to stack the compresses under reduced thickness. -3- Moyens d'ensachage pour la mise en oeuvre du procédé selon la revendication 1, caractérisés en ce qu'ils comprennent à par­tir d'un bâti général au moins un porte-bobine (1) de papier disposé transversalement, au moins un dispositif de coupe (L) en deux largeurs égales de la ou des bandes déroulées associée à un outil de formation d'une découpe (B3), des rouleaux de renvoi 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 13, 15 et 17 et des barres (8) (14) de changement de direction de chaque demi-largeur de bande, un cylindre (12), (18) presseur et entraineur pour chacun des couples de demi-largeurs de bande, qui est placé à la sortie du dispositif (T) d'amenage des compresses pliées, lesdits cylin­dres assurant la superposition des couples de demi-largeurs de papier acheminées indépendamment, des molettes (19), (20), (21) de scellage à froid des couples de demi-largeurs entre eux, dans lesquels ont été introduites les compresses pliées et empilées, et des outils (22) de coupe transversale et d'achèvement de la découpe (B3) des sachets ainsi réalisés.-3- Bagging means for implementing the method according to claim 1, characterized in that they comprise from a general frame at least one reel holder (1) of paper arranged transversely, at least one cutting device (L) in two equal widths of the unrolled strip or strips associated with a cutout forming tool (B3), deflection rollers 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 13, 15 and 17 and bars (8) (14) for changing direction of each half-width of band, a cylinder (12), (18) presser and driver for each of the pairs of half-widths of tape, which is placed at the outlet of the device (T) for feeding the folded compresses, said cylinders ensuring the superposition of the pairs of half-widths of paper conveyed independently, the rollers (19), (20), (21) cold sealing pairs of half-widths between them, into which the folded and stacked compresses have been introduced, and tools (22) for cross-cutting and for completing the cutting (B3) of the bags thus produced. -4- Moyens d'ensachage pour la mise en oeuvre du procédé selon la revendication 2, caractérisés en ce que l'introduction en décalage longitudinal des compresses pliées (C) entre les cou­ples de demi-largeur de papier (B1) (B2) est obtenue par les cylindres (12), (18) presseurs et entraîneurs desdits couples, qui sont montés à oscillation de telle sorte que par rapproche­ment du cylindre supérieur (18) d'entraînement d'une demi-­largeur (B2) de papier contre le cylindre inférieur (12), l'ex­trémité d'une compresse soit pincée et engagée entre les deux demi-largeurs superposées, puis par plaquage de la compresse sur le cylindre inférieur, abaissement du cylindre inférieur (12) et écartement du cylindre supérieur (18), de façon à ce que la com­presse suivante puisse se présenter à son tour pour être pincée par rapprochement du cylindre supérieur avec un décalage par rapport à la précédente du fait de l'avance continue des cylin­dres entraînant les demi-largeurs de papier et la compresse en­gagée.-4- Bagging means for implementing the method according to claim 2, characterized in that the introduction of the folded pads (C) in longitudinal offset between the pairs of half-width paper (B1) (B2) is obtained by the cylinders (12), (18) pressers and coaches of said couples, which are mounted to oscillate so that by bringing the upper cylinder (18) driving half a width (B2) of paper against the lower cylinder (12), the end of a compress is pinched and engaged between the two superimposed half-widths, then by pressing the compress on the lower cylinder, lowering the lower cylinder (12) and spacing the upper cylinder ( 18), so that the next pad can be presented in its turn to be pinched by bringing the upper cylinder closer with an offset from the previous one due to the continuous advance of the cylinders causing the half widths of paper and the compress engaged. -5- Moyens d'ensachage selon la revendication 3, caractérisés en ce que les demi-largeurs (B1) (B2) de papier sont entraînées en tension constante par montage auto-orientable des barres de changement de direction (8) (14).-5- Bagging means according to claim 3, characterized in that the half-widths (B1) (B2) of paper are driven in constant tension by self-orientable mounting of the change of direction bars (8) (14) . -6- Moyens d'ensachage selon la revendication 4, dont les cylin­dres (12) (18) sont montés sur un dispositif oscillant qui est caractérisé en ce qu'il est constitué pour le cylindre inférieur (12) par des bras latéraux (26) articulés en (11) sur le bâti et dont l'autre extrémité porte un rouleau de renvoi (10), et pour le cylindre supérieur (18) par des barrettes (23) articulées en (24) sur le bâti ; l'axe (24) portant également par des barret­tes (25) un rouleau (17) d'appui en tension sur la demi-largeur (B2) de papier.-6- Bagging means according to claim 4, the cylinders (12) (18) of which are mounted on an oscillating device which is characterized in that it is constituted for the lower cylinder (12) by lateral arms (26 ) articulated in (11) on the frame and the other end of which carries a deflection roller (10), and for the upper cylinder (18) by bars (23) articulated in (24) on the frame; the axis (24) also carrying by bars (25) a roller (17) of tension support on the half-width (B2) of paper. -7- Moyens d'ensachage selon la revendication 4, caractérisés en ce que les demi-largeurs (B1) (B2) de papier sont entraînées à plus grande vitesse entre chaque pile de compresses ensachées par un dispositif de différentiel et d'embrayage associé à l'en­traînement moteur.-7- Bagging means according to claim 4, characterized in that the half-widths (B1) (B2) of paper are driven at higher speed between each stack of compresses bagged by a differential and associated clutch device motor drive. -8- Moyens d'ensachage selon la revendication 4, caractérisés en ce que les compresses engagées entre les cylindres (12) (18) sont plaquées sur le cylindre inférieur (12) après chaque pince­ment, par un volet mobile (27) escamotable.-8- Bagging means according to claim 4, characterized in that the pads engaged between the cylinders (12) (18) are pressed against the lower cylinder (12) after each pinching, by a movable flap (27) retractable. -9- Moyens d'ensachage pour la mise en oeuvre du procédé selon la revendication 1 et selon la revendication 3, caractérisés en ce que les demi-largeurs (B1) (B2) sont superposées exactement à leur sortie des cylindres (12) (18) par des moyens détecteurs agissant en fonction de repères sur le papier.-9- Bagging means for implementing the method according to claim 1 and according to claim 3, characterized in that the half-widths (B1) (B2) are superimposed exactly at their exit from the cylinders (12) ( 18) by detector means acting on the basis of marks on the paper. -10- Sachet de compresses empilées réalisé selon le procédé et les moyens des revendications 1 à 9, caractérisé par une épais­seur réduite et une étanchéité maximum.-10- Bag of stacked compresses produced according to the method and means of claims 1 to 9, characterized by a reduced thickness and maximum sealing.
EP89420465A 1988-12-01 1989-11-24 Means for bagging folded compresses Expired - Lifetime EP0371892B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8816490 1988-12-01
FR8816490A FR2639904B1 (en) 1988-12-01 1988-12-01 METHOD AND MEANS FOR POUCHING MULTIPLE COMPRESSES, AS WELL AS THE POUCH OBTAINED

Publications (2)

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EP0371892A1 true EP0371892A1 (en) 1990-06-06
EP0371892B1 EP0371892B1 (en) 1994-08-24

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EP89420465A Expired - Lifetime EP0371892B1 (en) 1988-12-01 1989-11-24 Means for bagging folded compresses

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US (1) US5044499A (en)
EP (1) EP0371892B1 (en)
JP (1) JP2888567B2 (en)
KR (1) KR0172114B1 (en)
AT (1) ATE110334T1 (en)
CA (1) CA2004233A1 (en)
DE (1) DE68917691T2 (en)
ES (1) ES2063158T3 (en)
FR (1) FR2639904B1 (en)
PT (1) PT92470B (en)

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US6178721B1 (en) 1999-03-04 2001-01-30 Illinois Tool Works Inc. Apparatus and method for placing corner protectors of different heights on palletized
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JP7288259B2 (en) * 2020-10-21 2023-06-07 オリオン機械工業株式会社 packaging equipment
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Also Published As

Publication number Publication date
FR2639904B1 (en) 1991-07-05
JPH02296605A (en) 1990-12-07
DE68917691T2 (en) 1994-12-15
PT92470B (en) 1995-09-12
FR2639904A1 (en) 1990-06-08
EP0371892B1 (en) 1994-08-24
CA2004233A1 (en) 1990-06-01
ES2063158T3 (en) 1995-01-01
KR0172114B1 (en) 1999-03-30
US5044499A (en) 1991-09-03
PT92470A (en) 1990-06-29
DE68917691D1 (en) 1994-09-29
ATE110334T1 (en) 1994-09-15
JP2888567B2 (en) 1999-05-10
KR900009411A (en) 1990-07-04

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