EP1593487A2 - Procédé pour fabriquer des sacs avec une bande de fermeture élastique - Google Patents

Procédé pour fabriquer des sacs avec une bande de fermeture élastique Download PDF

Info

Publication number
EP1593487A2
EP1593487A2 EP05008241A EP05008241A EP1593487A2 EP 1593487 A2 EP1593487 A2 EP 1593487A2 EP 05008241 A EP05008241 A EP 05008241A EP 05008241 A EP05008241 A EP 05008241A EP 1593487 A2 EP1593487 A2 EP 1593487A2
Authority
EP
European Patent Office
Prior art keywords
welding
drawstring
tension
machine
band
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.)
Withdrawn
Application number
EP05008241A
Other languages
German (de)
English (en)
Other versions
EP1593487A3 (fr
Inventor
Jakob Schneider
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.)
Lemo Maschinenbau GmbH
Original Assignee
Lemo Maschinenbau GmbH
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 Lemo Maschinenbau GmbH filed Critical Lemo Maschinenbau GmbH
Publication of EP1593487A2 publication Critical patent/EP1593487A2/fr
Publication of EP1593487A3 publication Critical patent/EP1593487A3/fr
Withdrawn legal-status Critical Current

Links

Images

Classifications

    • 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
    • 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
    • B31B70/60—Uniting opposed surfaces or edges; Taping
    • B31B70/64—Uniting opposed surfaces or edges; Taping by applying heat or pressure
    • 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
    • B31B2155/00—Flexible containers made from webs
    • 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
    • B31B2160/00—Shape of flexible containers
    • B31B2160/10—Shape of flexible containers rectangular and flat, i.e. without structural provision for thickness of contents
    • 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
    • B31B70/02—Feeding or positioning sheets, blanks or webs
    • B31B70/022—Holders for feeding or positioning sheets or webs
    • B31B70/024—Rotating holders, e.g. star wheels, drums
    • 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
    • B31B70/02—Feeding or positioning sheets, blanks or webs
    • B31B70/10—Feeding or positioning webs
    • 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
    • B31B70/60—Uniting opposed surfaces or edges; Taping
    • B31B70/64—Uniting opposed surfaces or edges; Taping by applying heat or pressure
    • B31B70/642—Uniting opposed surfaces or edges; Taping by applying heat or pressure using sealing jaws or sealing dies
    • 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
    • B31B70/60—Uniting opposed surfaces or edges; Taping
    • B31B70/64—Uniting opposed surfaces or edges; Taping by applying heat or pressure
    • B31B70/649—Uniting opposed surfaces or edges; Taping by applying heat or pressure using tools mounted on a drum
    • 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
    • B31B70/81—Forming or attaching accessories, e.g. opening devices, closures or tear strings
    • B31B70/813—Applying closures
    • B31B70/8134—Applying strings; Making string-closed bags
    • B31B70/8135—Applying strings; Making string-closed bags the strings being applied in the machine direction
    • 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
    • B31B70/81—Forming or attaching accessories, e.g. opening devices, closures or tear strings
    • B31B70/813—Applying closures
    • B31B70/8134—Applying strings; Making string-closed bags
    • B31B70/8137—Applying strings; Making string-closed bags the ends of the strings being attached to the side edges of the bags

Definitions

  • the invention relates to a machine for producing drawstring bags from a thermoplastic Plastic film with a welding device containing a welding device, the welding drum having at least one extending the length of the Welding drum extending welding bar is equipped.
  • the invention particularly relates a generic machine with a feeder for a drawstring, wherein the feeding device has a device for influencing the feed tension the drawstring is equipped.
  • Bags of the type mentioned here are in the bag opening with an elastic Tieback provided to make the perimeter of the bag elastic.
  • the bag to a container, For example, to attach a trash or a trash can.
  • Such bags have the advantage that when the interior of the container is filled the bag is not in the container falls into it. This is after the insertion of the bag into the interior of the Container, provided with the drawstring upper portion of the bag to the outside over hit the container edge. The elastic drawstring comes on the outside of the container under tension to concern.
  • a generic bag is disclosed in EP 1 364 892 A1.
  • the one described herein Bag with a bag body that has an opening as well as extending along a perimeter area of the prey body extending in the region of the opening, elastic band which is shorter than the peripheral area in the relaxed state, and the under Release of a compensation area so attached to the peripheral region of the bag body is that the tape does not curl the bag body.
  • the tape is also called Loosely, that is the tape is longer than the mother foil and pulls the bag in relaxed state not together.
  • this loose introduction of a drawstring in the plastic film web during the production of the bag repeats a problem, since the plastic film web when contracting the drawstring would curl.
  • a welding device for producing a bag is known from DE 39 13 099 C1.
  • the cyclical conveying of the plastic film web takes place and how, for another, a stress-free welding in the field of plastic film web can be generated.
  • a arranged in the welding station Blowpipe is applied to the Kunststoffolienbahn with air. This will be in the Film web reached a lot and a tensionless welding is possible.
  • the Blowing the air the web tension of the film web can be safely maintained.
  • FIG. 1 Another generic drawstring bag is known from DE 101 51 843 A1. Described is a bag made of thermoplastic film with a front and a Rear wall, the formation of a filling opening by side welds with each other connected and is formed in each case double-layered in the region of the filling opening. Over the entire bag width extend drawstrings, one of each between the two layers of the front wall and the rear wall is inserted. The drawstrings are welded together at their two ends, the tension band by a in the Plastic film web introduced handle hole is exposed.
  • An object of the invention is to develop a welding device which allows a more efficient, constructive, simple construction and less expensive welding. This object is solved by the characterizing part of patent claim 1.
  • Another object of the invention is a Switzerlandbandlessnessherstellmaschine with a To develop means for feeding the drawstring, in which an extensible drawstring de-energized on the one hand the plastic film web and then the welding device is supplied.
  • the object of the invention is achieved in that the device to influence the supply voltage is provided with a pendulum swing arm.
  • a pendulum rocker in the means for feeding of the drawstring, is now created the possibility of tension between the device for influencing the feed voltage and the actual feeding of the tension band to influence the plastic film web.
  • Pendulum swing can thus the tension between feeder and the actual Insertion area can be influenced in the plastic film web.
  • This influence on the supply voltage in the tension band can by means of the pendulum swing thereby adjustable on one arm of the pendulum swing arm Weight is appropriate.
  • the pendulum swing arm acts only by means of Gravity on the drawstring. An even more precise influence on the tensile stress can then be made when to the center axis of the pendulum swing a Encoder is arranged. With the rotary encoder acts in Werbandlaufraum before the Pendulum swing arranged pull roller together. The drawstring wraps around the draw roller and is conveyed by means of the draw roller. The rotary encoder forms on the pendulum rocker with the drive motor of the tension roller a control loop.
  • FIG. 1 shows a draw-band bag made of a thermoplastic plastic film 1.
  • the drawstring bag 1 consists of a front wall 2 and a rear wall 3, which are connected by side welds 4, 5 at their edges. Of the Bottom 6 of the Glasband milks 1 is formed by the folding of the drawstring bag 1 Plastic film web produced. At least in the region of the filling opening 7 are both the front wall 2 and the rear wall 3 formed double-layered, in particular also shown in FIG. To create a two-ply area, either in the region of the filling opening 7 by folding the respective web edges a seam or the drawstring bag 1 is made of four superimposed webs, so that the front wall 2 and the rear wall 3 each as a whole two-ply are formed.
  • the double-layered region of the filling opening 7 is through Longitudinal welds 8, 9 limited, each of the two layers of the front wall 2 and connect the rear wall 3 together. At the edge of the filling opening 7 are the two Layers of the front wall 2 and the rear wall 3 in each case closed together. This is achieved by the fact that the front wall 2 and the rear wall 3 in the area the filling opening 7 are handled. It is also possible the two layers the front wall 2 and the rear wall 3 at the edge of the filling opening 7 with a not welded longitudinal weld seam welded together.
  • FIG 3 is an example of a machine for the production of drawstring bag 1 in the Side view in the supply of the drawstrings 10, 11 shown.
  • the plastic film web 16, which is also called parent sheet 16 is in the direction of arrow P of Machine supplied.
  • the unwinding device for the plastic film web 16 also be part of the machine.
  • the plastic film web 16 passes over Storage roller system 17 to a first punching station 18.
  • vent holes can be introduced into the plastic film web.
  • Punching station 19 the punched-12, 13 in the plastic film web 16th introduced in the region of the filling opening 7.
  • the plastic film web which is present as a folded web opened and the edges of the Switzerlandband milks 1 and the drawstring 10, 11 fed.
  • This feeder for the drawstring 10, 11 is denoted by 20.
  • the folded plastic film web 16 is brought together again and over a Guide roller 21 fed to a subsequent welding device.
  • the drawstring 10 is a storage roller system 24 via a deflection roller 25 supplied with a rocker 26.
  • the swingarm is one with a tensile compressive stress acted upon cylinder 27 connected.
  • the tension in the tension band 10 can be adjusted. about a further deflection roller 28, the tension band 10 of another device to influence supplied to the supply voltage.
  • FIG. 4 shows a view according to the view IV-IV of Figure 3 is shown.
  • FIG. 4 likewise shows the arrow P again, which shows the web running direction of the drawstring 10, 11 reproduces.
  • a drive motor 29 a tension roller 30, a Pressure roller 31, a pendulum rocker 32, which is equipped with a rotary encoder 33 as well as various unspecified pulleys reproduced. From the pulley 28th Coming the drawstring 10 is redirected in the direction of arrow P on the draw roller 30.
  • the tension roller 30 is assigned a pressure roller 31, via which the tension band 10th is pressed against the tension roller 30.
  • the pendulum rocker 32 acts on the tension band 10 only by their own weight.
  • the drawstring 10 wraps around the ends of the legs 34, 35 almost s-shaped.
  • the diversion The ends of the legs 34, 35 takes place via cylindrical rollers or cylindrical pins.
  • the Pad of the tension band 10 at the cylindrical ends 37, 38 is identical, so that always given the same wrap angle of the tension band around the cylinders 37, 38 is.
  • a welding unit 39 is supplied. It should be noted that between the feeder 20 and the welding unit 39 an unillustrated system can be inserted, in which the plastic film web 16 from a continuous to a discontinuous Promotion is feasible. In the following description, the discontinuous Promotion needed.
  • the side welds 4, 5 by means of two welding bars 40, 41 over a bag width L in the plastic film web 16 introduced. In this welding station in the side welds 4, 5 introduced are also welded, the drawstrings 10, 11, see Figure 1.
  • An essential Advantage of the invention is that of the drawstring bag 1 dead can be welded.
  • the tension band is now Loose between the welding bars 40, 41 and can be easily welded to the Muttefolie 16 become.
  • the invention proposes to vary the deflection roller 21 in diameter.
  • the diameter of the guide roller 21 in the region of the drawstring 10, 11 results in the promotion in relation to the other roll diameter higher speed. Due to the higher speed, will be at the Side of the feeder 20 for the drawstring 10, 11 pulled on the drawstring 10, 11 and the drawstring 10, 11 pressed in the direction of the welding station 39.
  • the change in diameter in the region of the drawstring is but only slightly. A diameter change of only 0.5 mm already gives a noticeable Additional transport of the drawstring area of the drawstring bag 1. For a diameter change of 0.5 mm on a width of about 30 mm results in a feed of about 1.5 mm.
  • FIG. 6 shows the view VI-VI from FIG. 5 again.
  • a welding device 45 be arranged for continuous welding of the plastic film web 16.
  • the welding device 45 is made from a welding drum 46 and across the width of the welding drum 46th extending welding bars 47, which at the periphery of the welding drum 46 at a distance L are arranged. Between the welding strips 47 each of the distance L is present, the width of a to be welded Buchband milks 1 and to be generated Cross welds 4, 5 corresponds.
  • the sweatband works 48 together. In this case, the sweatband 48 via deflection and / or drive rollers 49 introduced to the welding drum 46.
  • the sweatband 48 wraps around the Welding drum 46 in this embodiment about 180 °.
  • the welding bars 50 are variably arranged on the circumference of the welding drum 46. In this case, the welding bars 50 can be adjusted in the direction of the arrow E to to produce a wide variety of drawstring bag 1. It is also conceivable not only to arrange a welding bar 50 next to the welding bars 47, but There may also be two or more weld bars 50 on each side of the weld bar 47 may be arranged.
  • the plastic film web 16 is fed in the direction of the arrow P of the welding device 45. About a first deflection or drive roller 49, the plastic film web 16 led to the sweatband 48 and thus passes between the welding drum 46 and the sweatband 48. During the passage of the plastic film web 16 through the Welding device 45 is now a continuous welding process. Starting from the Point 51, which defines the welding start, is a continuous welding of the Plastic film web 16 with the drawstring 10, 11 and a simultaneous welding the drawstrings 10, 11 in the region of the openings 12, 13, wherein the additional transverse welds 14, 15 are performed by the welding bars 50.
  • the welding drum moves in the direction of arrow F, so that the Plastic film web 16 during a rotation angle of in this embodiment about 180 ° is welded. It goes without saying that by a change the rotational speed of the welding drum 46 and the conveying speed for the Plastic film web 16, the welding time is changeable. In this embodiment The invention continuously two drawstring bags 1 are welded. At point 52 triggers the welding drum 46 again from the sweatband 48 and the plastic film web 16 and at point 53, the plastic film web continues for further processing promoted.
  • any drawstring bags 1 can be produced.
  • the embodiment according to FIG. 7 shows a welding drum 46 and a sweatband 48. However, it is also conceivable with counterpressure strips to work. If a different width L of drawstring bags 1 is required, then the welding drum 46 in the welding device 45 is changed in diameter or with a corresponding number of welding bars, any number: 1, 2, 3, 4, 5, etc., which are switched on or off, drove. The same applies to narrower Bag and corresponding to the width L matched diameter of the welding drum 46.
  • welding takes place via the welding strip 47 and the welding bars 50, wherein also, the welding bars are 50 welding strips, both 47, 50 with a glow band can be equipped.
  • About the sweatband 48 is on the welding bars 47, 50th the corresponding counter-pressure required for welding is generated.

Landscapes

  • Making Paper Articles (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
EP05008241A 2004-05-08 2005-04-15 Procédé pour fabriquer des sacs avec une bande de fermeture élastique Withdrawn EP1593487A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004022845A DE102004022845A1 (de) 2004-05-08 2004-05-08 Verfahren zur Herstellung von Zugbandbeuteln mit dehnbarem Zugband
DE102004022845 2004-05-08

Publications (2)

Publication Number Publication Date
EP1593487A2 true EP1593487A2 (fr) 2005-11-09
EP1593487A3 EP1593487A3 (fr) 2006-02-08

Family

ID=34935210

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05008241A Withdrawn EP1593487A3 (fr) 2004-05-08 2005-04-15 Procédé pour fabriquer des sacs avec une bande de fermeture élastique

Country Status (2)

Country Link
EP (1) EP1593487A3 (fr)
DE (1) DE102004022845A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10618698B1 (en) 2019-02-06 2020-04-14 Poly-America, L.P. Elastic drawstring trash bag
EP3778416A1 (fr) * 2019-08-13 2021-02-17 pely-plastic GmbH & Co. KG Sac à tirant
WO2022223310A2 (fr) 2021-04-19 2022-10-27 Roll-O-Matic A/S Machine à souder

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2999533A (en) * 1959-05-01 1961-09-12 Dairy Containers Inc Apparatus for making bags
DE1925249A1 (de) * 1969-05-17 1970-12-23 Windmoeller & Hoelscher Maschine zum Herstellen heissverklebter Flachbeutel
US3585097A (en) * 1968-05-22 1971-06-15 Phillips Petroleum Co Expandable drum and heat sealing means
DE3821905C1 (fr) * 1988-06-29 1990-02-08 Stiegler Gmbh Maschinenfabrik, 7062 Rudersberg, De
US5024642A (en) * 1988-12-05 1991-06-18 Presto Products, Incorporated Rotary draw tape bag making apparatus and method
DE10151843A1 (de) * 2001-10-24 2003-05-08 Lemo Maschb Gmbh Beutel aus thermoplastischer Kunststofffolie

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2999533A (en) * 1959-05-01 1961-09-12 Dairy Containers Inc Apparatus for making bags
US3585097A (en) * 1968-05-22 1971-06-15 Phillips Petroleum Co Expandable drum and heat sealing means
DE1925249A1 (de) * 1969-05-17 1970-12-23 Windmoeller & Hoelscher Maschine zum Herstellen heissverklebter Flachbeutel
DE3821905C1 (fr) * 1988-06-29 1990-02-08 Stiegler Gmbh Maschinenfabrik, 7062 Rudersberg, De
US5024642A (en) * 1988-12-05 1991-06-18 Presto Products, Incorporated Rotary draw tape bag making apparatus and method
DE10151843A1 (de) * 2001-10-24 2003-05-08 Lemo Maschb Gmbh Beutel aus thermoplastischer Kunststofffolie

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10618698B1 (en) 2019-02-06 2020-04-14 Poly-America, L.P. Elastic drawstring trash bag
EP3778416A1 (fr) * 2019-08-13 2021-02-17 pely-plastic GmbH & Co. KG Sac à tirant
WO2022223310A2 (fr) 2021-04-19 2022-10-27 Roll-O-Matic A/S Machine à souder

Also Published As

Publication number Publication date
EP1593487A3 (fr) 2006-02-08
DE102004022845A1 (de) 2005-12-01

Similar Documents

Publication Publication Date Title
DE3135370A1 (de) Verfahren und maschine zum herstellen einer verpackungseinheit durch umwickeln von zu verpackenden teilen mit streckfolienmaterial
DE2127128C3 (de) Verfahren zum Wickelwechsel in einer Vorrichtung zum Aufwickeln einer mit querverlaufenden Perforationen versehenen Bahn und Vorrichtung zum Durchführen des Verfahrens
DE2744233A1 (de) Vorrichtung zum herstellen von tragetaschen aus zwei nebeneinander laufenden halbschlauchbahnen
EP1963187B1 (fr) Installation d'emballage par bache avec dispositif de realisation de plis lateraux
EP0968919B1 (fr) Procédé et dispositif d'enveloppement d'objets quadrangulaires avec un matériau d'emballage sous forme de bande
EP3278957B1 (fr) Machine de soudage de table portable
DE102005025706B3 (de) Retouren-Verpackungsmaschine
DE10029797A1 (de) Verfahren und Vorrichtung zum Herstellen mehrlagiger Produkte und zugehöriges Produkt
EP1593487A2 (fr) Procédé pour fabriquer des sacs avec une bande de fermeture élastique
DE2422000C2 (de) Verfahren und Vorrichtung zum Verpacken eines auf einer Palette angeordneten, großvolumigen Verpackungsguts
DE3526772A1 (de) Verfahren und vorrichtung zum umhuellen einer wareneinheit
DE2659202B1 (de) Vorrichtung zum Herstellen von Sackketten
DE2509185A1 (de) Verfahren zur herstellung aufblasbarer auskleidungen fuer stausaecke oder dergleichen und vorrichtung zur ausfuehrung des verfahrens
DE1486975B1 (de) Verfahren und Vorrichtung zur Herstellung von mehrschichtigen Beuteln oder Saecken
DE2809515B1 (de) Vorrichtung zum Anbringen von Querschweissnaehten an aufeinanderliegende Bahnen aus Kunststoffolie
DE2207043C3 (de) Verfahren zum Herstellen von Flachbeuteln aus thermoplastischer Kunststoff- Folie und Vorrichtung zur Durchführung des Verfahrens
DE3821905C1 (fr)
AT403154B (de) Verpackungsmaterial sowie verfahren und vorrichtung zu dessen herstellung
EP0506645B1 (fr) Dispositif pour la fabrication d'enveloppes pour plaques de batterie
EP2621717B1 (fr) Dispositif et procédé pour produire des sacs à partir de pièces tubulaires
EP4077182A1 (fr) Dispositif et procédé pour traiter un ruban de matériau de rembourrage et bobine de matériau de rembourrage
EP0057768B1 (fr) Dispositif pour former des emballages tubulaires
DE3700067A1 (de) Vorrichtung zum herstellen und stapeln von beuteln
EP1050459A2 (fr) Procédé et dispositif pour envelopper un objet avec une feuille thermoplastique
DE4338781C2 (de) Verfahren zur Herstellung und Stapelung von Säcken oder Beuteln aus thermoplastischem Kunststoff

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU MC NL PL PT RO SE SI SK TR

AX Request for extension of the european patent

Extension state: AL BA HR LV MK YU

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU MC NL PL PT RO SE SI SK TR

AX Request for extension of the european patent

Extension state: AL BA HR LV MK YU

AKX Designation fees paid

Designated state(s): BE DE ES FR NL

17P Request for examination filed

Effective date: 20061005

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20101103