EP0693365B1 - Machine pour confectionner des sacs portatifs avec poignée - Google Patents

Machine pour confectionner des sacs portatifs avec poignée Download PDF

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Publication number
EP0693365B1
EP0693365B1 EP95110721A EP95110721A EP0693365B1 EP 0693365 B1 EP0693365 B1 EP 0693365B1 EP 95110721 A EP95110721 A EP 95110721A EP 95110721 A EP95110721 A EP 95110721A EP 0693365 B1 EP0693365 B1 EP 0693365B1
Authority
EP
European Patent Office
Prior art keywords
cord
bag
modules
margin
machine
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
EP95110721A
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German (de)
English (en)
Other versions
EP0693365A2 (fr
EP0693365A3 (fr
Inventor
Karl Peter Hermann Jericke
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.)
Input Innovative Produkte und Technologien Gesmbh
Original Assignee
Input Innovative Produkte und Technologien Gesmbh
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 Input Innovative Produkte und Technologien Gesmbh filed Critical Input Innovative Produkte und Technologien Gesmbh
Publication of EP0693365A2 publication Critical patent/EP0693365A2/fr
Publication of EP0693365A3 publication Critical patent/EP0693365A3/fr
Application granted granted Critical
Publication of EP0693365B1 publication Critical patent/EP0693365B1/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
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H69/00—Methods of, or devices for, interconnecting successive lengths of material; Knot-tying devices ;Control of the correct working of the interconnecting device
    • B65H69/04—Methods of, or devices for, interconnecting successive lengths of material; Knot-tying devices ;Control of the correct working of the interconnecting device by knotting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B70/00—Making flexible containers, e.g. envelopes or bags
    • B31B70/74—Auxiliary operations
    • B31B70/86—Forming integral handles or mounting separate handles
    • B31B70/864—Mounting separate handles on bags, sheets or webs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/30—Handled filamentary material
    • B65H2701/31—Textiles threads or artificial strands of filaments

Definitions

  • the invention relates to a device for assembling carrier bags with carrying cords (see, for example, US-A-3 464 620 or US-A-5 044 773) which are guided through punched-outs in the optionally reinforced pocket edge, the free cord ends being knotted .
  • these carrier bags for high-quality products, made of laminated and multi-color printed paper could only be assembled by hand, since threading the cord into the punching holes in the carrier bag and knotting the free ends using the previously available technologies was not economically feasible.
  • An aggravating boundary condition for this task is that the carrier bags are manufactured in very different dimensions, so that such a device has to be designed very flexibly and easily and can be converted to other types of bags in a short time.
  • the actual carrier bags are normally punched out, folded and glued from the already printed and laminated paper in a fully mechanized production line and generally provided with reinforcements on the bottom and edge of the bag. Since the assembly with the cords could only be done by hand, usually at home, the carrier bags had to be temporarily folded, packed and, after returning from the assembly to completion, quality assurance and packaging, reintroduced into the production line. This interruption of the process often leads to considerable logistical problems and the often necessary changes in production to disruptions in the production process.
  • This task is solved by combining the following features, some of which are known per se: one Device for clamping the pocket edges, one arranged on the clamping device or on this positionable punching device for punching the holes in the pocket edge and means for guiding the cord between the punched holes and Knotting devices for knotting the ends of the cords, at least the guide device is arranged for the cord on the clamping device or can be positioned thereon and Control devices are provided which alternate the punching and insertion device bring to use.
  • the invention further relates to a number of refinements of the new device as well as methods for assembling the above-mentioned carrier bags. Regarding details is particularly referred to the appended claims.
  • Figures 1 to 5 show schematically the inventive device for Assembling carrier bags made of laminated and printed paper with Carrying loops made of cords are provided. For the reasons mentioned at the beginning, it was so far not possible to mechanize this assembly process. In the die cut provided carrier bags had to be adjusted by hand from the cord pieces be threaded and knotted at their free end. The invention makes it possible these operations into a fully mechanized production line for such carrier bags integrate.
  • the assembly device consists of two similar, one pocket edge each assigned components 15, 16. These two components are not on one shown, vertically movable carriage arranged and are in a first phase of Assembly process from above into the open carrier bag.
  • Any of the two Components includes two knot modules 17, 18 and a connecting channel 19 Punching devices 20 for making the holes through which a supply spool 21 running cord 3 is threaded.
  • the knot modules and the connection channel are relative can be moved parallel to each other (a guide is shown schematically in the drawing and designated 22).
  • the Modules 17, 18 removed from the connecting channel 19 in the next step they will be together pressed with the edge of the carrier bag being clamped.
  • the punching device 20 provided in the connecting channel comprises the punch 24, which his shaft has a level 25. This stage acts with a cam 26 of a flap 27 together, in the retracted position of the punch 24 a closed channel for the cord 3 forms and when pushing the stamp the flap 27 against the force of one Spring 28 pivots out of the path of the stamp.
  • the stamp finally hits the edge of the Carrying bag and punches a hole in it, the diameter of which corresponds to that of the cord.
  • punch holes 29 are exactly the inlet and outlet channels of Knot modules 17, 18 opposite.
  • FIG. 3 shows the first knot module in various details.
  • the module is made in two parts, both module halves 17a and 17b connected via a hinge 30 and pressed together by a spring 31.
  • the cord 3 is vacuumed into the Channels sucked, the negative pressure inside the module 17 the closing force of the two Mold halves 17a and 17b additionally reinforced.
  • the lower part 17a of the module is with a Inlet funnel 32.
  • a cutting blade 33 can also be moved on the lower part stored, which is actuated by a pneumatic cylinder, not shown. Parallel to Cutting blade 33, a jaw 34 is slidably disposed, which by a spring 35 the cutting blade 33 is taken along and the cord end with a defined force stuck (Fig. 4).
  • the second knot module 18 is constructed analogously, it is also in two parts and is made by Spring force kept closed (Fig. 5).
  • the module exits with a Vacuum line 36 connected, one arranged between module 18 and vacuum line Grid 37 limits the path of the cord 3 and ensures that this after shooting each takes a precisely defined position.
  • a light barrier 38 signals the Control of the machine when the cord 3 has reached its end position
  • the function of the device described above is as follows: The already opened carrier bag moves into the assembly station on a conveyor belt, the slide with the two components 15, 16 is inserted into the bag from above and clamps the two edges of the bag 23. In the next step, 20 holes 29 are made in the punching device Punched pocket edges, the stamps 24 are then withdrawn, so that the flaps 27 close the connecting channel for the cord 3 again.
  • the control of the machine now connects the vacuum line 36 to a vacuum boiler via a solenoid valve (not shown). Due to the negative pressure, the cord 3 is shot in through the first knot module 17, the first punch hole 29, the connecting channel 19, the second punch hole 29 and finally through the second knot module 18 until the end abuts the grid 37 and the light barrier 38 is thus activated.
  • FIGS. 6 and 7 show a variant of the knot modules shown in the above figures 17 and 18.
  • Fig. 6 shows a one-piece made of plastic module 1, which in its Inside has a channel 2, which on the one hand the dimension of the cord to be knotted 3 and on the other hand corresponds to the desired knot type with regard to its shape.
  • the channel forms a one-sided, inward direction open gutter so that the cord extends into the cavity 4 enclosed by this gutter can contract and tighten into a knot.
  • the inlet channel 5 has one Diameter that allows the passage of a tightened knot. It is also possible to remove the node through the outlet channel 6 from the module; in this case of course the diameter of the outlet channel is increased accordingly.
  • the Module 1 can be made by casting using an inlaid core. It can also be made of metal instead of plastic.
  • the cord is injected through the inlet channel using compressed air or, as in the example above, using a vacuum
  • one end of the cord 3 is jerkily accelerated away from the module, the knot initially contracting slightly due to the inertia effect.
  • the friction between the different cord parts against one another further tightens the knot.
  • the knot is further tightened and calibrated as desired in channels 5 and 6.
  • the free end of the cord can be braked slightly while the other end is pulled with a uniform and constant force, as in the The above example is described.
  • FIGS. 8-20 A further exemplary embodiment is described with reference to FIGS. 8-20, wherein for Similar parts and components use the same reference numerals as in the example above will.
  • a stationary Head "41 is arranged, which contains 4 pneumatically operated punching tools 20 in its interior and 4 knot modules in an underlying level, the inlet and outlet channels of which are aligned with the punching tools.
  • the head 41 and the associated periphery are symmetrical with respect to the axis 46 In the drawing, therefore, the device was completely omitted in many cases, opposite the head is the guide device, which is made up of two parts 44 and 45. This can be moved up to the head 41 by the pneumatic cylinder 42.
  • a U-shaped channel 47 is provided for the cord 3, on the other hand, the top of the part 45 is planar.
  • the U-shaped channel 47 can be connected at one end to a vacuum line, and on the other side there is a feed device for the cord 3 and a cutting device with which the cord is cut to length after insertion into the channel 47.
  • the latter devices essentially correspond to the analog devices in the device according to FIGS. 1-7, so that a detailed description could be dispensed with.
  • FIGS. 10 to 12 show the next step: the clamping of the pocket edge is loosened and the pocket is moved downwards by a defined distance from the stamp, not shown, in which the holes 29 punched into the pocket edge lie in the plane of the channel 47 of the guide device .
  • a piece of cord 3 is sucked into the channel 47 by vacuum and then cut to length by the cutting device.
  • the guide device 44, 45 is moved to the head 41 by the pneumatic cylinder 42, the channel 47, the punched holes in the pocket edge and the inlet channels of the knot modules being aligned.
  • the other two channels of the knot modules are connected to a vacuum system. If vacuum is now applied to the two knot modules, the free ends of the prepared U-shaped cord loop are sucked into the knot modules.
  • the top part 44 of the guide device is lifted off by a further pneumatic cylinder 49, so that in each case a sufficient piece of cord can be inserted into the knot modules. As shown in FIGS.
  • the guide device 44, 45 is then withdrawn from the head 41.
  • the clamping of the edge of the pocket is loosened or completely released and the pocket is moved downward, with the knots still in the knot modules being held.
  • the modules are designed in two parts analogously to the modules 17 and 18 of the first exemplary embodiment, wherein the opening of the two halves can be supported by pneumatic cylinders.
  • the cord is pulled through the punched holes in the edge of the bag until it stops.
  • the further downward movement of the pocket causes the knots to be tightened and compressed by pulling them in or out. Exit channel of the knot modules until the knots are finally completely pulled out of the modules (Fig. 20).
  • the bag is now fully assembled and is folded up in the following stations of the system and packed ready for dispatch.

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  • Making Paper Articles (AREA)

Claims (6)

  1. Machine pour confectionner un sac portatif avec des cordelettes pour poignées, où les cordelettes sont introduites dans des trous découpés du bord du sac, lequel peut éventuellement être renforcé et où les extrémités des cordelettes sont nouées, caractérisée par la combinaison de dispositifs suivants, qui sont partiellement connus en soi :
    un dispositif (15, 16) pour serrer les bords du sac, un dispositif (20) pour découper des trous (29) dans le bord du sac, intégré au dispositif de serrage ou pouvant être positionné sur celui-ci,
    un dispositif (19) pour guider la cordelette entre les trous découpés et
    des dispositifs de nouage (17, 18) pour nouer les extrémités des cordelettes,
    dans laquelle au moins le dispositif de guidage (19) pour la cordelette (3) est intégré au dispositif de serrage ou peut être positionné sur celui-ci, et dans laquelle il est prévu une unité de commande qui assure le fonctionnement alterné du dispositif pour découper des trous et du dispositif de guidage.
  2. Machine selon la revendication 1, caractérisée en ce qu'elle constitue une composante d'une chaíne de fabrication de sacs portatifs, qu'elle est, de préférence, montée sur un support et qu'elle peut être introduite dans le sac ouvert (23).
  3. Machine selon la revendication 1 ou la revendication 2, caractérisée en ce qu'elle comprend deux dispositifs de nouage connus en soi, se présentant, de préférence sous la forme de modules (17, 18) avec un canal interne (2), ayant, pour l'essentiel, le contour correspondant à celui d'un noeud non serré de la cordelette (3), que la cordelette est forcée par le module à l'aide d'air, que le canal de sortie ou le canal d'entrée du premier module (17) se trouve en face d'une extrémité du canal du dispositif de guidage (19), pendant que l'autre extrémité du canal est en face du canal d'entrée du second module (18) et que, de préférence, le dispositif de guidage (19) est mobile par rapport aux deux modules de nouage (17, 19) pour serrer les noeuds et qu'il peut s'ouvrir dans la direction de mouvement du support, pour libérer la cordelette.
  4. Machine selon l'une des revendications précédentes, caractérisée en ce que les modules de nouage sont pourvus, d'une manière connue en soi, de dispositifs de serrage et de sectionnement (34 et 33) pour la cordelette, disposés chaque fois sur le côté opposé à celui du dispositif de guidage, le dispositif de serrage (34) étant activé avant que le dispositif de guidage (19) ne soit éloigné, pour immobiliser les noeuds par rapport aux modules de nouage.
  5. Procédé pour confectionner des sacs portatifs avec des cordelettes comme poignées faisant appel à une machine selon une des revendications précédentes, caractérisé en ce que la machine se déplace sur le bord du sac, le dispositif de serrage serre le bord du sac, le dispositif pour découper des trous est activé pour découper des trous (29) dans le bord, qu'ensuite le dispositif de guidage (19) est activé, pour constituer entre les deux modules de nouage (17, 18) un canal continu pour la cordelette, le serrage du bord du sac par la machine et la disposition ou le positionnement du dispositif pour découper des trous et du dispositif de guidage sur le dispositif de serrage garantissant un alignement exact des trous découpés (29) et du dispositif de guidage (19), la cordelette (3) est poussée par l'air par le module (17), le premier trou découpé (29), le dispositif de guidage (19), le second trou découpé (29) et le second module de nouage (18), le dispositif de sectionnement (33) sectionne la cordelette, les dispositifs de serrage (34) sur les modules (17, 18) serrent les extrémités libres de la cordelette, le dispositif de guidage (19) est éloigné des modules (17, 18) pour serrer les noeuds et les extraire des modules, le serrage des bords du sac est relâché, et la machine est écartée du bord du sac, ce qui provoque l'ouverture des deux moitiés du dispositif de guidage (19) dans la direction de mouvement de la machine et la libération des portions de cordelettes.
  6. Procédé pour confectionner des sacs portatifs avec des cordelettes pour poignées avec une machine selon une des revendications 1 - 3, caractérisé en ce que le sac (23) est introduit par son bord dans la machine, le bord du sac est serré par la machine, le dispositif (20) pour découper les trous est activé pour découper des trous (29) dans le bord, qu'ensuite le sac est déplacé dans la direction opposée à celle de son introduction, de manière à ce que les trous découpés dans le bord du sac soient, d'une part, directement en face des canaux de sortie du dispositif de guidage (44, 45 et 47) et, d'autre part, directement en face des canaux d'entrée ou de sortie des modules, une portion de cordelette est poussée par de l'air dans le dispositif de guidage et, une fois en place, sectionnée par un dispositif de sectionnement et, ensuite, les deux extrémités de la cordelette sont poussées avec de l'air par les trous découpés (29) et dans le module (17), éventuellement le second module (18), après quoi le dispositif de guidage (44, 45) est ouvert et, de préférence, le dispositif de serrage est relâché, le sac (23) est déplacé dans la direction opposée à celle de l'introduction, et les noeuds dans les modules sont serrés par suite de la traction, dans les canaux de sortie et finalement, extraits de ces canaux.
EP95110721A 1994-07-19 1995-07-10 Machine pour confectionner des sacs portatifs avec poignée Expired - Lifetime EP0693365B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT0141894A AT400959B (de) 1994-07-19 1994-07-19 Vorrichtung zum herstellen von knoten
AT1418/94 1994-07-19

Publications (3)

Publication Number Publication Date
EP0693365A2 EP0693365A2 (fr) 1996-01-24
EP0693365A3 EP0693365A3 (fr) 1996-07-03
EP0693365B1 true EP0693365B1 (fr) 1998-04-01

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ID=3513472

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95110721A Expired - Lifetime EP0693365B1 (fr) 1994-07-19 1995-07-10 Machine pour confectionner des sacs portatifs avec poignée

Country Status (3)

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EP (1) EP0693365B1 (fr)
AT (1) AT400959B (fr)
DE (1) DE59501750D1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10028922A1 (de) * 2000-06-10 2002-01-17 Hettler Maschinen Gmbh Verfahren und Vorrichtung zum Anbringen einer Kordel an einer Tragetasche
CN110126357A (zh) * 2019-04-18 2019-08-16 杭州彼特环保包装有限公司 一种手绳安装设备及其手绳安装方法

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AUPO056296A0 (en) * 1996-06-20 1996-07-11 Gis Pac Pty Ltd Bag and method of production
CN110027253B (zh) * 2019-04-03 2020-08-11 浙江理工大学 一种两侧同步抓取的半自动礼品盒穿绳装置及其穿绳方法
CN111063322A (zh) * 2019-12-31 2020-04-24 广州珠江恺撒堡钢琴有限公司 钢琴攀带的制作设备和制作方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3464620A (en) * 1968-03-14 1969-09-02 Equitable Paper Bag Co Handle construction for carrier box bag
DE1785185A1 (de) * 1968-08-22 1971-01-21 Melzer Ohg Maschb Und Metallve Verfahren und Vorrichtung zum Knoten oder Verknoten von Faeden,Schnueren od.dgl.
US5044773A (en) * 1990-04-18 1991-09-03 Berwick Industries Inc. Container for receiving and holding an object including support member therefor
DE4115994A1 (de) * 1991-05-16 1992-11-19 Joest Norbert Vorrichtung und verfahren zur erzeugung beliebiger knoten aus einer schnur oder aehnlichem material um ununterbrochene sozusagen endlose straenge wie lange plastikschlaeuche oder wurstdaerme
DE4314945B4 (de) * 1992-06-04 2004-09-02 Hettler Maschinen Gmbh Knoter zum Anbringen von Knoten mit einem Knoterführungsrohr

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10028922A1 (de) * 2000-06-10 2002-01-17 Hettler Maschinen Gmbh Verfahren und Vorrichtung zum Anbringen einer Kordel an einer Tragetasche
DE10028922C2 (de) * 2000-06-10 2002-04-25 Hettler Maschinen Gmbh Verfahren und Vorrichtung zum Anbringen einer Kordel an einer Tragetasche
CN110126357A (zh) * 2019-04-18 2019-08-16 杭州彼特环保包装有限公司 一种手绳安装设备及其手绳安装方法

Also Published As

Publication number Publication date
EP0693365A2 (fr) 1996-01-24
EP0693365A3 (fr) 1996-07-03
AT400959B (de) 1996-05-28
ATA141894A (de) 1995-09-15
DE59501750D1 (de) 1998-05-07

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