EP0428925B1 - Dispositif pour appliquer une bande adhésive sur une boîte pliante ou similaire - Google Patents

Dispositif pour appliquer une bande adhésive sur une boîte pliante ou similaire Download PDF

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Publication number
EP0428925B1
EP0428925B1 EP90121054A EP90121054A EP0428925B1 EP 0428925 B1 EP0428925 B1 EP 0428925B1 EP 90121054 A EP90121054 A EP 90121054A EP 90121054 A EP90121054 A EP 90121054A EP 0428925 B1 EP0428925 B1 EP 0428925B1
Authority
EP
European Patent Office
Prior art keywords
suction head
adhesive tape
adhesive
press
folding carton
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.)
Expired - Lifetime
Application number
EP90121054A
Other languages
German (de)
English (en)
Other versions
EP0428925A1 (fr
Inventor
Heinz Focke
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.)
Focke and Co GmbH and Co KG
Original Assignee
Focke and Co GmbH and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Focke and Co GmbH and Co KG filed Critical Focke and Co GmbH and Co KG
Publication of EP0428925A1 publication Critical patent/EP0428925A1/fr
Application granted granted Critical
Publication of EP0428925B1 publication Critical patent/EP0428925B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • B65B51/00—Devices for, or methods of, sealing or securing package folds or closures; Devices for gathering or twisting wrappers, or necks of bags
    • B65B51/04—Applying separate sealing or securing members, e.g. clips
    • B65B51/06—Applying adhesive tape
    • B65B51/067—Applying adhesive tape to the closure flaps of boxes

Definitions

  • the invention relates to a device for attaching an adhesive strip to a folding carton or the like for closing the same, with a pressing member through which the adhesive strip separated from a continuous web can be pressed as a result of relative movement under longitudinal tension on the folding carton along a closing side of the same, and a smooth holding member designed as a suction head , wherein the adhesive strip is guided by the suction head in a sweeping sense during attachment to the folding box or the like to avoid warping or wrinkling.
  • Adhesive strips for closing folding boxes or other packs are usually made of plastic and are coated on one side with an adhesive.
  • adhesive strips are attached in the region of one closure side or two opposite closure sides in such a way that outer folding flaps are connected to one another by the adhesive strip.
  • the adhesive strip with end legs usually extends in the region of transverse side faces of the folding carton adjoining the closure sides and is glued here.
  • the adhesive strips are transferred to the folding carton using automatic adhesive strip units.
  • the adhesive strip is pulled off a roll (bobbin), passed over deflection rollers and finally pressed onto the folding carton by a pressure element (pressure roller).
  • the adhesive tape assembly is usually attached in a stationary manner, while the folding cartons for receiving the adhesive tape are conveyed past the adhesive tape assembly.
  • An example of such an adhesive strip assembly is the subject of US Pat. No. 4,238,269.
  • the adhesive strips used so far in practice consist of PVC as a carrier tape.
  • adhesive strips made of other plastics e.g. made of polypropylene.
  • warps, waves and folds occur as a result of the longitudinal tension in the adhesive strip when applied to the folding carton.
  • undesired deformations become apparent in the free end piece of the adhesive strip, in particular in the end leg.
  • DE-OS 2 100 890 shows an adhesive or labeling device for self-adhesive films, in which the adhesive strip is guided in a sweeping manner by a smooth-holding element.
  • the adhesive strip extends only in the area of one Box surface, not on a box surface on the back in the direction of transport.
  • the smoothing organ described there is only effective in the area above the cardboard for the adhesive strip.
  • the object of the invention is to propose measures by means of which faultless processing, even of adhesive strips, with a carrier tape made of less dimensionally stable material, e.g. Polypropylene, is flawlessly possible, in particular the formation of folds, warping and the curling of the end region of the adhesive strip should be avoided, in particular when the end region is attached to a box surface on the back in the transport direction.
  • a carrier tape made of less dimensionally stable material, e.g. Polypropylene
  • the device according to the invention is characterized in that the pressure element is designed as a pressure roller which is mounted on a pivotable lever in such a way that it presses an end leg formed when the adhesive strip is detached from a rear side surface of the folding carton such that the end leg is pressed through the arranged in the direction of movement in front of the pressure roller suction head is temporarily held and that the adhesive strip slides or slides along a holding surface of the suction head when pressed against the rear side surface by the pressure roller.
  • the pressure element is designed as a pressure roller which is mounted on a pivotable lever in such a way that it presses an end leg formed when the adhesive strip is detached from a rear side surface of the folding carton such that the end leg is pressed through the arranged in the direction of movement in front of the pressure roller suction head is temporarily held and that the adhesive strip slides or slides along a holding surface of the suction head when pressed against the rear side surface by the pressure roller.
  • the smooth-holding element comes into effect particularly at the end part of the strip section assigned to a folding carton, namely after it has been separated from the continuous web of the adhesive strip.
  • a separating cut is carried out in such a way that the adhesive strip projects with a section, namely an end leg to be folded over in the transverse direction, over the closure side of the carton.
  • This freely projecting end leg is kept smooth by the smooth holding member, namely the suction head, during the further transport of the carton.
  • a pressing member namely a pressing roller for the purpose of pressing the end leg against the relevant cardboard surface.
  • the embodiment shown in the drawings relates to the attachment of an adhesive strip 10 to a container, namely to a folding carton 11.
  • This is designed, for example, such that on opposite sides, namely on closure sides 12, outer folding tabs are connected to one another by the adhesive strip 10.
  • the folding carton 11 is transported relative to a stationary adhesive strip station for attaching the adhesive strip 10.
  • the closure sides 12 can be directed to the sides or alternatively up and down.
  • An exemplary embodiment of such an adhesive strip station is the subject of EP-A-0 342 384 (published on November 23, 1989).
  • each closure side 12 is assigned an adhesive tape assembly 13.
  • An embodiment of this is shown in the drawings.
  • movable organs are mounted on a cheek 14. This is located directly next to the path of movement of the folding carton 11, the closure side 12 of which is facing the adhesive tape assembly 13.
  • the adhesive strip 10 pulled off a roll or bobbin (not shown) runs over a first deflection roller 15 and then over a second deflection roller 16.
  • the adhesive strip 10 lies with the adhesive surface on the jacket of the second deflection roller 16.
  • Both deflection rollers are mounted on a support piece 17 which is pivotally or tiltably connected to the cheek 14.
  • a pivot bearing 18 of the support piece 17 is arranged coaxially with the first deflection roller 15.
  • a first, front pressure lever 19 is also supported on the cheek 14. Whose pivot bearing 20 is mounted at a distance from the pivot bearing 18, closer to the path of movement of the folding carton 11.
  • the pressure lever 19 is designed in the shape of an arc or angle.
  • the adhesive strip 10 runs from the second deflection roller 16 to the circumference of the pressure roller 21, such that the adhesive surface is directed outwards, namely a side surface 22 of the front facing Cardboard boxes 11 facing.
  • the pressure lever 19 is geared to the support piece 17.
  • a slide pin 23 is attached to the side of the pressure lever, which enters a slightly curved guide slot 24 in the support piece 17.
  • a second pressure lever 25 is arranged on the cheek 14 at a distance from the pressure lever 19. At the free end of the there is also a second, rear pressure roller 26.
  • the pressure lever 25 is designed as a two-armed lever and can be pivoted about a pivot bearing 27.
  • the free end of the pressure lever 25, which is remote from the pressure roller 26, is connected in a geared manner to the support piece 17, specifically via a link 28. Pivoting movements of the support piece 17 accordingly cause pivoting movements of the pressure lever 25.
  • the organs described so far are loaded by springs in the starting position according to FIG. 1, in the present case by a tension spring 29, one end of which is connected to a retaining web 30 on the cheek 14 and the other end of which is connected to the free end of the pressure lever 25. Restoring forces of the tension spring 29 are also transmitted to the support piece 17 and the pressure lever 19 via the gear connection.
  • a separating element namely a separating knife 31 directed transversely to the adhesive strip 10, is arranged on the cheek 14.
  • this sits on a knife arm 32, which is designed as a two-armed lever with a rotary bearing 33 on an edge of the cheek 14 facing the movement path of the folding carton 11.
  • the free end of the knife arm 32 is loaded by a return spring 34, in a starting position according to Fig. 3, in which the area of the knife arm with the separating knife 31 protrudes into the path of movement of the folding box 11.
  • the support members for the rollers described and the separating knife 31 are provided in duplicate, the rollers with corresponding pivot pins being mounted laterally in the levers or in the two cheeks 14 arranged at a distance from one another.
  • the two spaced apart support pieces 17, the pressure levers 19 and 25 and the knife arms 32 are each firmly connected to each other by transverse axles. At the ends of the same are the pivots for the pivot bearings.
  • the adhesive tape assembly 13 described so far works in such a way that a free end of the adhesive tape 10 is pressed against the front side surface 22 by the pressure roller 21 projecting into the movement path of the folding carton 11 (position according to FIG. 1).
  • the pressure lever 19 is pivoted counterclockwise. An end leg 35 of the adhesive strip 10 is pressed against the front side surface 22 of the folding carton 11.
  • the knife arm 32 Due to the relative movement between the folding box 11 and the adhesive strip assembly 13, the knife arm 32 has also been pushed out of the movement path of the folding box 11 in such a way that, when the return spring 34 is tightened, a free end of the knife arm 32 also bears against the closure side 12 and slides along it. As soon as this free support end 38 of the knife arm 32 slides over the cardboard edge 37 and is therefore released, the knife arm 32 pivots (due to the action of the return spring 34). The cutting knife 31 passes with its cutting edge through the plane of the exposed adhesive strip and cuts through it. The relative position is such that when the adhesive strip is cut through, a rear end leg 39 of the adhesive strip 10 protruding beyond the closure side 12 is formed.
  • the pressure roller 26 is also moved over the rear edge 37 of the cardboard.
  • the protruding end leg 39 is gripped and pressed against a rear side surface 40 of the folding box.
  • the adhesive strip unit is 13 assigned a smoothing organ.
  • this consists of a plate-shaped suction head 41. It is a plate-shaped body which is arranged with supporting webs 42 between the cheeks 14 in a fixed relative position.
  • the suction head 41 is located in the region of the path of movement of the adhesive strip 10 in such a way that it is slidably moved along a holding surface 43 of the suction head 41.
  • the adhesive-free side of the adhesive strip 10 lies against the holding surface 43.
  • the holding surface 43 is acted upon by suction air in order to fix the adhesive strip 10 in a wrinkle-free and smoothing manner.
  • a plurality of suction bores 44 open at the holding surface 43.
  • a plurality, namely three rows, of suction bores 44 are arranged next to one another in the direction of the adhesive strip 10 and are distributed over the full width of the adhesive strip 10. This is why the full width is held by negative pressure.
  • the suction head 41 is connected via a line 45 to a vacuum source.
  • the suction head 41 as a smooth holding member comes into effect particularly during the final phase of the application of the adhesive strip 10 (FIGS. 3 and 4).
  • the end leg 39 projecting over the folding carton 11 on the back is held in an extended, smooth-surface position by the suction head 41 until the end leg 39 is taken over by the pressure roller 26.
  • the free end of the adhesive strip 10 is fixed to the holding surface 43 until the end and is thereby prevented from curling or other deformation.
  • the suction head 41 is attached in a selected relative position to the adhesive strip assembly 13, namely in the conveying direction of the folding box 11 with a small distance behind the pressure roller 26 for the end leg 39. This relative position it is ensured that the freely projecting end leg 39 remains adhering to the holding surface 43 until it lies almost completely against the outer surface of the pressure roller.
  • a smooth-holding member for the adhesive strip 10, in particular a suction head 41 in the embodiment described, can also be used in the case of adhesive strip units designed in another way, e.g. in a device according to U.S. Patent 4,238,269.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Package Closures (AREA)
  • Making Paper Articles (AREA)
  • Adhesive Tape Dispensing Devices (AREA)
  • Adhesives Or Adhesive Processes (AREA)

Claims (7)

  1. Dispositif pour appliquer une bande adhésive (10) sur un carton plié (11) ou analogue, pour en effectuer la fermeture, avec un organe de pressage au moyen duquel la bande adhésive (10) ayant été séparée d'une bande soumise à un mouvement d'avance, peut être appliquée par pression, suite au déplacement relatif, en étant soumise à une tension longitudinale sur le carton plié (11), en suivant un cordon de fermeture de ce carton plié (11), et avec un organe de maintien lisse, réalisé sous forme de tête aspirante (41), la bande adhésive (10) étant guidée dans le sens d'un affleurement, pendant l'application sur le carton plié (11) ou analogue, pour éviter tout gauchissement ou formation de plis, du fait de la tête aspirante, caractérisé en ce que l'organe de pressage est réalisé sous forme de galet de pressage (26), tourillonnant sur un lever pivotant, de façon que l'une des branches d'extrémité (39), constituée lors de la séparation de la bande adhésive (10), soit pressée sur une face latérale (40) arrière du carton plié (11), en ce que la branche d'extrémité (39) soit maintenue temporairement, au moyen de la tête aspirante (41), disposée devant le galet de pressage (26), en observant dans la direction de déplacement, et en ce que la bande adhésive (10), lors du pressage sur la face latérale (40) arrière, glisse le long d'une surface de maintien (43) de la tête aspirante (41), en glissant, ou en patinant, du fait du galet de pressage (26).
  2. Dispositif selon la revendication 1, caractérisé en ce que la tête aspirante (41) est réalisée en forme de plaque et présente, dans la zone de la surface de maintien (43), plusieurs perçages d'aspiration (44) disposés à distance les uns des autres dans la direction longitudinale et dans la direction transversale, sur toute la largeur de la bande adhésive (10).
  3. Dispositif selon la revendication 1 ou 2, caractérisé en ce que la tête aspirante (41) fait partie d'un groupe à bande adhésive (13) fixe, sur lequel le carton plié (11) est passé en vue de recevoir la bande adhésive (10), la tête aspirante (41) saisissant, pendant le mouvement de transfert du carton plié (11), une zone en cours de progression de la bande adhésive (10) et agissant sur celle-ci dans le sens d'un balayage de lissage.
  4. Dispositif selon la revendication 3, ainsi que selon l'une ou plusieurs des autres revendications, caractérisé en ce que la tête aspirante (41) est fixée sur des joues (14) latérales du groupe à bande adhésive (13), à l'aide de nervures support (42) orientées transversalement.
  5. Dispositif selon la revendication 1, ainsi que selon l'une ou plusieurs des autres revendications, caractérisé en ce que la tête aspirante (41) est disposée en une position relative sélectionnée, par rapport à une lame de séparation (31), pour effectuer la coupure de séparation de la bande adhésive (10), de manière qu'un tronçon de bande adhésive (10), se dégageant une fois effectuée la coupure de séparation de la bande adhésive (10) et se dirigeant sur le carton plié, puisse être fixé au moyen de la tête aspirante (41), notamment la branche d'extrémité (39).
  6. Dispositif selon la revendication 5, caractérisé en ce que la tête aspirante (41) se trouve dans la zone de la branche d'extrémité (39) libre, lorsqu'est effectuée la coupe de séparation au moyen de la lame de séparation (31).
  7. Dispositif selon la revendication 5, ainsi qu'une ou plusieurs des autres revendications, caractérisé en ce que la tête aspirante (41) se trouve au voisinage du galet de pressage (26) pour la branche d'extrémité (39), de manière que le galet de pressage (26) saisisse directement la branche d'extrémité (39) libre, pour effectuer le pressage sur la face latérale (40), une fois effectuée la coupe de séparation.
EP90121054A 1989-11-18 1990-11-02 Dispositif pour appliquer une bande adhésive sur une boîte pliante ou similaire Expired - Lifetime EP0428925B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3938410 1989-11-18
DE3938410A DE3938410A1 (de) 1989-11-18 1989-11-18 Vorrichtung zum anbringen eines klebestreifens an einem faltkarton oder dergleichen

Publications (2)

Publication Number Publication Date
EP0428925A1 EP0428925A1 (fr) 1991-05-29
EP0428925B1 true EP0428925B1 (fr) 1995-03-08

Family

ID=6393812

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90121054A Expired - Lifetime EP0428925B1 (fr) 1989-11-18 1990-11-02 Dispositif pour appliquer une bande adhésive sur une boîte pliante ou similaire

Country Status (6)

Country Link
US (1) US5121586A (fr)
EP (1) EP0428925B1 (fr)
JP (1) JP2773974B2 (fr)
BR (1) BR9005829A (fr)
CA (1) CA2029471A1 (fr)
DE (2) DE3938410A1 (fr)

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US6652172B2 (en) 2001-01-05 2003-11-25 3M Innovative Properties Company Method and apparatus for handling linerless label tape within a printing device
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JP5059375B2 (ja) * 2006-10-25 2012-10-24 株式会社イシダ ストリップパック装置
US20100083475A1 (en) * 2006-10-25 2010-04-08 Ishida Co., Ltd. Strip pack apparatus, and grasper device and dewrinkler device used therein
JP4994785B2 (ja) * 2006-10-25 2012-08-08 株式会社イシダ ストリップパック装置
JP5139663B2 (ja) * 2006-10-25 2013-02-06 株式会社イシダ ストリップパック装置
JP4994783B2 (ja) * 2006-10-25 2012-08-08 株式会社イシダ ストリップパック装置に用いる皺伸ばし装置及びそれを用いたストリップパック装置
JP4994784B2 (ja) * 2006-10-25 2012-08-08 株式会社イシダ ストリップパック装置
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KR101193227B1 (ko) 2010-04-08 2012-10-19 다인시스템주식회사 테이핑장치
DE102014003652A1 (de) * 2014-03-13 2015-09-17 Giesecke & Devrient Gmbh Verfahren und Vorrichtung zum Öffnen eines Behälters
CN106005594B (zh) * 2016-06-29 2019-03-26 宁波德永机械有限公司 一种便于换胶带的胶带封箱机机芯
CN106809442A (zh) * 2016-08-07 2017-06-09 东莞理工学院 一种可手持式的纸箱封口机构
CN106428687B (zh) * 2016-11-04 2018-08-31 浙江理工大学 自动折盖封箱机
EP3593985A1 (fr) * 2017-01-27 2020-01-15 SFC Ltd. Un substrat découpé et collé
CN107934064A (zh) * 2017-12-24 2018-04-20 无锡市创恒机械有限公司 胶带回折机构
CN113264232B (zh) * 2020-03-17 2022-10-28 苏州启航电子有限公司 一种用于工业自动化的智能封箱装置及其使用方法
CN113548252B (zh) * 2021-09-22 2021-12-31 常州市飞利达医用制品有限公司 吸塑纸包装下压系统及纸盒封装机
CN113879626B (zh) * 2021-11-04 2022-11-04 正商供应链管理(天津)有限公司 一种电商物流自动打包分拣装置

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Also Published As

Publication number Publication date
CA2029471A1 (fr) 1991-05-19
JP2773974B2 (ja) 1998-07-09
BR9005829A (pt) 1991-09-24
US5121586A (en) 1992-06-16
JPH03216457A (ja) 1991-09-24
DE59008633D1 (de) 1995-04-13
EP0428925A1 (fr) 1991-05-29
DE3938410A1 (de) 1991-05-23

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