EP1464578B1 - Machine pour fabriquer des sacs tubulaires - Google Patents

Machine pour fabriquer des sacs tubulaires Download PDF

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Publication number
EP1464578B1
EP1464578B1 EP04014687A EP04014687A EP1464578B1 EP 1464578 B1 EP1464578 B1 EP 1464578B1 EP 04014687 A EP04014687 A EP 04014687A EP 04014687 A EP04014687 A EP 04014687A EP 1464578 B1 EP1464578 B1 EP 1464578B1
Authority
EP
European Patent Office
Prior art keywords
film
welding device
filling
edge
bag
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.)
Revoked
Application number
EP04014687A
Other languages
German (de)
English (en)
Other versions
EP1464578A1 (fr
Inventor
Gerhard Kuss
René Ohrisch
Harald Braun
Walter Dr. Baur
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.)
Rovema Verpackungsmaschinen GmbH and Co KG
Rovema GmbH
Original Assignee
Rovema Verpackungsmaschinen GmbH and Co KG
Rovema 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=7931038&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1464578(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Rovema Verpackungsmaschinen GmbH and Co KG, Rovema GmbH filed Critical Rovema Verpackungsmaschinen GmbH and Co KG
Publication of EP1464578A1 publication Critical patent/EP1464578A1/fr
Application granted granted Critical
Publication of EP1464578B1 publication Critical patent/EP1464578B1/fr
Anticipated expiration legal-status Critical
Revoked legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65BMACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B9/00Enclosing 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
    • B65B9/10Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs
    • B65B9/20Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs the webs being formed into tubes in situ around the filling nozzles
    • B65B9/207Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs the webs being formed into tubes in situ around the filling nozzles the web advancing continuously
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65BMACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B9/00Enclosing 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
    • B65B9/10Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs
    • B65B9/20Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs the webs being formed into tubes in situ around the filling nozzles
    • B65B9/2014Tube advancing means
    • B65B9/2021Tube advancing means combined with longitudinal welding devices
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65BMACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B9/00Enclosing 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
    • B65B9/10Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs
    • B65B9/20Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs the webs being formed into tubes in situ around the filling nozzles
    • B65B9/2014Tube advancing means
    • B65B9/2028Rollers or belts
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65BMACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B9/00Enclosing 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
    • B65B9/10Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs
    • B65B9/20Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs the webs being formed into tubes in situ around the filling nozzles
    • B65B9/2042Means for altering the cross-section of the tube filling opening prior to transversal sealing, e.g. tube spreading devices
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65BMACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B9/00Enclosing 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
    • B65B9/10Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs
    • B65B9/20Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs the webs being formed into tubes in situ around the filling nozzles
    • B65B9/213Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs the webs being formed into tubes in situ around the filling nozzles the web having intermittent motion
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65BMACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B9/00Enclosing 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
    • B65B9/10Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs
    • B65B9/20Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs the webs being formed into tubes in situ around the filling nozzles
    • B65B9/22Forming shoulders; Tube formers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65BMACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B2220/00Specific aspects of the packaging operation
    • B65B2220/10Creating an off-center longitudinal seal on horizontal or vertical form fill seal [FFS] machines
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65BMACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B2220/00Specific aspects of the packaging operation
    • B65B2220/12Creating additional longitudinal welds on horizontal or vertical form fill seal [FFS] machines for stiffening packages or for creating package edges
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65BMACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B9/00Enclosing 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
    • B65B9/10Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs
    • B65B9/20Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs the webs being formed into tubes in situ around the filling nozzles
    • B65B9/2056Machines for packages of special type or form

Definitions

  • the invention relates to a tubular bag machine with a film web, a Supply roll, deflection rollers for feeding the flat film web to a forming shoulder, a film take-off for transporting the film web, a filling tube for receiving the a film tube formed film web, baking a transverse welding device for the production of transverse seams, a separating device for the transection of the Foil tube, and connected to the filling tube, pointing away from the filling tube, flat spreading elements, wherein in the direction of transporting the spreading elements arranged downstream one edge welding device per spreading element, directed against the deflected by a spreader hose edge is.
  • Such a known tubular bag machine is used to produce Tubular bags whose four edges are welded. These tubular bags have one relatively good stability.
  • a bag with only four longitudinal welds has none Bag printing impairing longitudinal seam on.
  • the bag printing there interrupting longitudinal seam is a conventional, symmetrical form shoulder used.
  • the known tubular bag machines do not offer the possibility to bag with good too handle opening assistance or reclosing so that they Help uses the special shape of the bag welded along its four edges.
  • the invention is based on the object, this disadvantage in a Tubular bag machine according to the preamble of claim 1 to eliminate.
  • the object is achieved according to the characterizing part of claim 1. It is a separate longitudinal welding device for welding the hose edge provided adjacent area. Through the use of asymmetric Form shoulder is the otherwise centerline extending longitudinal seam in the area placed one edge of the bag, so that a separate, centrally extending longitudinal seam no longer occurs.
  • the longitudinal welding device is opposite to its adjacent Edge welding device offset to the film edges.
  • the invention has the advantage that due to the two at a hose edge provided welding devices, namely an edge welding device and the separate longitudinal welding device, two longitudinal seams directly next to each other in the area the hose edge at which the film tube is longitudinally sealed generates become.
  • a seam can be considered relatively tear-proof and non-reclosable seam may be provided, and the other seam may be as light openable or resealable seam.
  • a seam due to their edge sealing primarily the purpose of bag stabilization and the other seam provides a secure bag closure. Then z.
  • the edges Welding seam generally has lower strength than the bag welding longitudinal seam.
  • the seam to be opened first is a seam which can be easily opened, and subsequent seam fulfills the function of edge stabilization.
  • the first seam to be opened may have a resealing aid.
  • the longitudinal welding device Since the longitudinal welding device with respect to the adjacent edge welding device offset to the film edge, the longitudinal welding device causes the Closure of the film tube at the point where the two film edges meet. These edges are followed by an edge area. These Arrangement allows the production of welded at four edges in a simple manner Bags with a longitudinal seam bounded by an edge. The edge can also be without Be formed pouch occlusive property.
  • the proposed tubular bag machine is used to produce bags whose Foil edge in the form of an overlap seam on the bag (film tube) is applied.
  • the Concern can be provided by means of a corresponding weld.
  • a bag opening aid or a reclosure aid is attached, and this aid to enema in the Longitudinal seam and / or the edges to be welded is provided, so may selected seam can be equipped with an appropriate help.
  • Adhesive tape to secure closure in conjunction with a Reclosability, as well as a zip-reclosable strip to in particular to be able to use a repeated resealing.
  • the tubular bag machine can be operated continuously or clocked. Accordingly, the operation of the film take-off takes place.
  • Gussets are used to create gussets in the film tube.
  • One Pair of mutually movable gusset generators are used to make two to pierce opposite gussets in the film tube.
  • one pair in gussets Folientransport direction before and a pair provided after the cross-welding device is (claim 5), tubular bag with two opposite transverse seams welded. These bags are very dimensionally stable. They become head-sided and bottom-sided welded by cross seams. The gussets are in the cross seams shrink wrapped.
  • the bag is symmetrical with respect to its gusset arrangement and can be relatively round can be shaped to give a can-like appearance in edged form have and serve in the most advantageous manner (material savings) as can substitute.
  • a preforming of the edges can be done in a technically simplest way and independently of the mode of the tubular bag machine, if according to claim 8 in Area of the forming shoulder two film restraints are provided, each between two Folienspreizem are arranged to the film tube for a Preforming edge welding. These foil spreaders are for a safe Preforming attached to the filling tube (claim 9).
  • a vertical tubular bag machine 1 In a vertical tubular bag machine 1 is a flat film web 2 of a Supply roll 3 unwound and a deflection roller 4 an asymmetric Form shoulder 5 fed ( Figure 1).
  • the collar breast parts 34, 35 of the form shoulder 5 are different lengths.
  • a film take-off 6 serves for the further transport of the film web 2.
  • a filling tube 7 receives the film web 2 formed into a film tube 8.
  • a transverse welding device 10 serve the Production of transverse seams 11 on the film tube 8.
  • a separator 12 In one of the jaws 9 is located a separator 12 for the separation of the film tube 8 between two transverse seams 11.
  • the forming shoulder 7 puts the superimposed film edges 17 to the right the side of the film tube 8.
  • a separate longitudinal welding device 18 is for a welding of the hose rim 16 adjacent area provided to create two directly adjacent welds.
  • the longitudinal welding device 18 produces a longitudinal seam 20, whereas each edge welding device 15 produces a welded edge 21 on the film tube 8.
  • the longitudinal welding device 18 is opposite to the adjacent edge welding device 15 to the film edge 17th offset.
  • the film edge 17 itself is formed in the form of an overlap seam.
  • the film take-off 6 is operated continuously.
  • the longitudinal welding device 18 and the edge welders 15 are continuously driven, revolving Sealing bands.
  • the edge welding devices 15 each have a counter holder on.
  • the two gusset generators 26 of a pair 24, 25 are against each other and in the film tube 8 located between them movable to To produce gussets in the bag 13.
  • a pair 24 is in the film transport direction and a pair 25 is provided after the cross-welder 10.
  • the forming shoulder 5 has a lateral slot 28 through which the film edge 17 is led out.
  • two film retainers 29 are on Filling tube 7 is provided, which are each arranged between two Folienspreizem 30, to preform the film tube 8 for welding the edges 21.
  • the bag opening aid 32 is a strip-shaped Peel Mrs which enters the longitudinal seam 20 and serves to generate such Bag 13 easier to open.
  • the bag 13 has four side folds 33 and is on the head side and bottom side by means each closed a transverse seam 11. Next to one of its four welded edges 21 extends its longitudinal seam 20.
  • the peel layer within the longitudinal seam 20 allows a simple opening of the longitudinal seam 20 by mounting.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Containers And Plastic Fillers For Packaging (AREA)
  • Making Paper Articles (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)
  • Glass Compositions (AREA)

Claims (9)

  1. Ensacheuse verticale (1) avec un ruban de film (2), un galet de réserve (3), des galets inverseurs (4) pour l'amenée du ruban de film (2) plan à un épaulement de formage (5), un distributeur de film (6) pour le transport du ruban de film (2), un tuyau de remplissage (7) pour le logement du ruban de film (2) transformé en une gaine pour film (8), les bords du film (17) du ruban de film (2) reposant les uns sur les autres de telle sorte qu'un bord du film appuie sous la forme d'une soudure de chevauchement sur le sachet (13), des mâchoires d'un dispositif de soudage transversal (10) pour faire des soudures transversales (11), un dispositif de séparation (12) pour la séparation de la gaine pour film (8) et des éléments d'écartement (14) plats, reliés au tuyau de remplissage (7) et dirigés en partant du tuyau de remplissage (7), un dispositif de soudage de bord (15) par élément d'écartement (14) étant prévu dans le sens de transport du film et disposé en aval des éléments d'écartement (14), lequel est dirigé vers le bord de gaine (16) dévié de respectivement un élément d'écartement (14), caractérisée en ce qu'un épaulement de formage (5) asymétrique avec des parties frontales à collerette (34, 35) de longueurs différentes est prévu comme épaulement de moulage (5), en ce qu'un dispositif séparé de soudage longitudinal (18) est prévu pour un soudage de la zone (19) voisine du bord de gaine (16), le dispositif de soudage longitudinal (18) étant décalé par rapport au dispositif de soudage de bord (15) voisin du premier et décalé en direction des bords du film (17), un dispositif (31) étant placé sur le ruban de film (2) plan pour le placement d'une aide à l'ouverture du sachet (32) ou d'une aide de refermeture, et cette aide est prévue pour l'entrée dans la soudure longitudinale (20) et/ou les bords (21) à souder.
  2. Ensacheuse verticale selon la revendication 1, caractérisée en ce qu'il est prévu comme aide une couche d'écorce en forme de bande, une bande collante adhésive sur les deux faces ou une bande à glissière pour refermer.
  3. Ensacheuse verticale selon la revendication 1 ou la revendication 2, caractérisée en ce que le distributeur de film (6) est un distributeur de film (6) à fonctionnement continu et en ce que aussi bien le dispositif de soudage longitudinal (18) que les dispositifs de soudage de bord (15) sont des dispositifs de soudage entraínés de façon continue, en particulier des bandes à sceller rotatives.
  4. Ensacheuse verticale selon la revendication 1 ou la revendication 2, caractérisée en ce que le distributeur de film est un distributeur de film fonctionnant par cycle, et aussi bien le dispositif de soudage longitudinal que les dispositifs de soudage de bord sont des dispositifs de soudage à entraínement par cycle, en particulier des mâchoires de scellage à chaud.
  5. Ensacheuse verticale selon au moins l'une quelconque des revendications 1 à 4, caractérisée en ce que deux paires (24, 25) de générateur de plis latéraux (26) sont prévues sur le dispositif de soudage transversal (10), en ce que les deux générateurs de plis transversaux (26) d'une paire (24, 25) peuvent être déplacés l'un par rapport à l'autre et dans la gaine pour film (8) se trouvant entre eux, et en ce qu'une paire (24) est prévue dans le sens de transport de film avant le dispositif de soudage transversal (10) et une paire (25) après.
  6. Ensacheuse verticale selon la revendication 4, caractérisée en ce que la distance (27) d'une paire (24) au dispositif de soudage transversal (10), vu dans le sens de transport de film, est égale à la distance (27) de l'autre paire (25) au dispositif de soudage transversal (10).
  7. Ensacheuse verticale selon au moins l'une quelconque des revendications 1 à 5, caractérisée en ce que l'épaulement de formage (5) présente une fente (28) latérale par laquelle le bord du film (17) est sorti et guidé.
  8. Ensacheuse verticale selon au moins l'une quelconque des revendications 1 à 6, caractérisée en ce qu'il est prévu dans la zone de l'épaulement de formage (5) deux retenues de film (29), qui sont disposées respectivement entre deux écarteurs de film (30) afin de préformer la gaine pour film (8) pour un soudage des bords (21).
  9. Ensacheuse verticale selon la revendication 7, caractérisée en ce que les écarteurs de film (30) sont placés sur le tube de remplissage (7).
EP04014687A 1999-12-01 2000-11-23 Machine pour fabriquer des sacs tubulaires Revoked EP1464578B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19957891A DE19957891A1 (de) 1999-12-01 1999-12-01 Schlauchbeutelmaschine
DE19957891 1999-12-01
EP00125666A EP1106508B1 (fr) 1999-12-01 2000-11-23 Machine pour fabriquer des sacs tubulaires

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
EP00125666A Division EP1106508B1 (fr) 1999-12-01 2000-11-23 Machine pour fabriquer des sacs tubulaires

Publications (2)

Publication Number Publication Date
EP1464578A1 EP1464578A1 (fr) 2004-10-06
EP1464578B1 true EP1464578B1 (fr) 2005-06-29

Family

ID=7931038

Family Applications (3)

Application Number Title Priority Date Filing Date
EP00125666A Revoked EP1106508B1 (fr) 1999-12-01 2000-11-23 Machine pour fabriquer des sacs tubulaires
EP04014687A Revoked EP1464578B1 (fr) 1999-12-01 2000-11-23 Machine pour fabriquer des sacs tubulaires
EP04014688A Expired - Lifetime EP1462364B2 (fr) 1999-12-01 2000-11-23 Machine pour fabriquer des sacs tubulaires

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP00125666A Revoked EP1106508B1 (fr) 1999-12-01 2000-11-23 Machine pour fabriquer des sacs tubulaires

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP04014688A Expired - Lifetime EP1462364B2 (fr) 1999-12-01 2000-11-23 Machine pour fabriquer des sacs tubulaires

Country Status (5)

Country Link
US (1) US6729112B2 (fr)
EP (3) EP1106508B1 (fr)
AT (3) ATE298703T1 (fr)
DE (4) DE19957891A1 (fr)
ES (3) ES2250945T5 (fr)

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EP1106508B1 (fr) 2004-09-08
EP1462364B2 (fr) 2009-07-22
ES2250945T5 (es) 2009-12-11
ES2228384T3 (es) 2005-04-16
DE50007676D1 (de) 2004-10-14
EP1464578A1 (fr) 2004-10-06
DE50010650D1 (de) 2005-08-04
EP1462364B1 (fr) 2005-10-12
DE50011347D1 (de) 2006-02-23
US20010005979A1 (en) 2001-07-05
ATE306420T1 (de) 2005-10-15
ATE298703T1 (de) 2005-07-15
EP1106508A1 (fr) 2001-06-13
ES2242176T3 (es) 2005-11-01
US6729112B2 (en) 2004-05-04
ATE275499T1 (de) 2004-09-15
DE19957891A1 (de) 2001-06-07
ES2250945T3 (es) 2006-04-16
EP1462364A1 (fr) 2004-09-29

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