EP2653402B1 - Sac doté d'un fond de sac - Google Patents

Sac doté d'un fond de sac Download PDF

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Publication number
EP2653402B1
EP2653402B1 EP13001938.3A EP13001938A EP2653402B1 EP 2653402 B1 EP2653402 B1 EP 2653402B1 EP 13001938 A EP13001938 A EP 13001938A EP 2653402 B1 EP2653402 B1 EP 2653402B1
Authority
EP
European Patent Office
Prior art keywords
bag
reinforcing strip
flaps
length
tear
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.)
Active
Application number
EP13001938.3A
Other languages
German (de)
English (en)
Other versions
EP2653402A1 (fr
Inventor
Jos Hellinckx
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.)
Mondi AG
Original Assignee
Mondi AG
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 Mondi AG filed Critical Mondi AG
Publication of EP2653402A1 publication Critical patent/EP2653402A1/fr
Application granted granted Critical
Publication of EP2653402B1 publication Critical patent/EP2653402B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D31/00—Bags or like containers made of paper and having structural provision for thickness of contents
    • B65D31/08—Bags or like containers made of paper and having structural provision for thickness of contents with block bottoms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D33/00—Details of, or accessories for, sacks or bags
    • B65D33/16—End- or aperture-closing arrangements or devices
    • B65D33/1658—Elements for flattening or folding the mouth portion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D33/00—Details of, or accessories for, sacks or bags
    • B65D33/16—End- or aperture-closing arrangements or devices
    • B65D33/1691—End- or aperture-closing arrangements or devices using adhesive applied to attached closure elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D75/00—Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes, or webs of flexible sheet material, e.g. in folded wrappers
    • B65D75/52—Details
    • B65D75/58—Opening or contents-removing devices added or incorporated during package manufacture
    • B65D75/5827—Tear-lines provided in a wall portion
    • B65D75/5833—Tear-lines provided in a wall portion for tearing out a portion of the wall
    • B65D75/5844—Tear-lines provided in a wall portion for tearing out a portion of the wall the portion of the wall being a narrow strip, e.g. between lines of weakness
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D75/00—Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes, or webs of flexible sheet material, e.g. in folded wrappers
    • B65D75/52—Details
    • B65D75/58—Opening or contents-removing devices added or incorporated during package manufacture
    • B65D75/66—Inserted or applied tearing-strings or like flexible elements
    • B65D75/68—Inserted or applied tearing-strings or like flexible elements extending through wrapper closure or between wrapper layers

Definitions

  • the invention relates to a bag, according to the preamble of claim 1, formed from a portion of a sack width defining tubular jacket wall from which at least one end of the section by means of Bodeneckeinpatentedn and laid over the Bodeneneckeintrade bottom side envelopes a bottom is placed and glued, the filled Condition of the bag has a rectangular shape with a length of the bottom bounding short side edges and a width of the bottom bounding long side edges, wherein parts of the Bodeneneckeintrade extend from the short side edges of the bottom as narrow bottom flaps in the region of the bottom over which the bottom side envelopes are folded from the long side edges of the bottom as wide bottom flaps, which overlap each other in the direction of the width of the bottom and are glued together, and wherein a rectangular ground cover sheet with the length and the width of the bottom of the geb glued to the educated floor.
  • Such generic bags are known in many embodiments. They can be made of different materials. The most commonly used material for these sacks is paper, which is used as kraft paper for large sacks that need to take up more weight. These bags can be single-layered or multi-layered. For multi-ply paper bags, it is possible to make a layer of plastic film to give the bag some moisture immunity. Since paper bags are compostable, it is preferable for the inlaid Plastic film also compostable material to use, so to produce the plastic film of a biodegradable plastic. In individual cases, it may also be useful to combine the paper layers with a metallic foil, for example an aluminum foil.
  • the bottom of the generic bags may be formed in a known manner as a cross-bottom when it is folded from a flat-lying tubular jacket wall with only one fold line at the two longitudinal edges of the section. If, however, the tubular jacket wall is formed with gussets, the result of the folding of the bottom is a block or block bottom.
  • the block or block bottom we made in a rectangular shape, while the rectangular shape of the bottom results in a cross bottom only by the filling of the bag by parts of the Bodeneneckein advocate to the shell wall and the floor by the parts of the Bodeneneckeintrade that the narrow bottom flaps and the wide bottom flaps form, and the bottom side envelopes is formed.
  • the parallel fold lines of the narrow bottom flap form short side edges of the bottom and the parallel fold lines of the wide bottom flaps the long side edges of the bottom, the long side edges are perpendicular to the short side edges.
  • a rectangular ground cover sheet is glued to the bottom formed by the bottom flaps.
  • the bottom cover sheet has a length and a width which corresponds to the length and the width of the bottom, wherein for the function of the bottom cover sheet and the production accuracy, in particular for paper sacks, significant tolerance deviations in the dimensions the ground cover sheet are acceptable to the dimensions of the ground when the ground cover sheet substantially covers the ground and has sufficient bonding surfaces in the region of all bottom flaps.
  • a bag according to the invention may have such a bottom at one end of the portion of the casing wall or at both ends. If the bottom is formed on one side, an open bag for filling, which is closed after filling in a known manner, for example by sewing, welding, gluing.
  • bags such as cement bags
  • one of the floors is glued so that on one side on one floor an opening between a narrow bottom flap and the two overlapping broad Bottom flaps forms, in which a filler neck of a filling machine is retractable to fill the bag with flowable medium.
  • the opening closes automatically due to the load with the contents, so that the opening represents a valve opening.
  • a valve insert which may be in the form of a flat reinforcing sheet or in a tubular shape.
  • valve opening hermetically closable after filling, for which numerous methods have become known.
  • the valve core with a heat sealable or sealable layer so as to close off the valve port by supplying heat and high frequency or ultrasonic waves.
  • the tearing tapes By pulling on the operating end, the tearing tapes cause tearing of a strip-shaped part from the insert sheet as well as a central cutting of the bottom cover sheet. Thereafter, a strip-shaped opening in the width of the torn-off from the insert sheet strip for removal is available.
  • the bottom flaps must be torn open by releasing adhesive bonds.
  • the construction is also possible with a valve bag into which a tubular filling valve is placed on the opposite side of the crosshead from the operating end. At the construction for opening the bag is disadvantageous that the wide Bottom flaps must have a distance from each other and therefore can not be glued together. The stability of the floor must therefore result from the stability of the insert sheet and in particular the bottom cover sheet. However, these must be rupturable with the tear strips, so that with a high material stability of the bottom cover sheet results in a difficult tearing and easier tearing can be achieved only at the expense of reduced stability of the soil.
  • a bag with a cross-bottom which has a flat valve insert.
  • the insert sheet is provided on its underside with a tear strip.
  • the wide bottom flaps are folded over each other in an overlapping manner over the insert sheet and are provided with perforation line sections which are arranged one above the other and above the tear strip.
  • the valve insert sheet is equipped with a pull-tab on the side of the bottom flaps. By pulling on the pull-tab, the valve insert and the overlying bottom flaps along the perforation lines can be torn open with the tear tape, resulting in a central opening of the bottom.
  • a ground cover sheet is not provided.
  • valve insert sheet on the one hand, and the wide bottom flaps, on the other hand, are already loaded with their perforation lines during the filling process, so that inadvertent tearing during the filling process is not ruled out. It must be torn for the tearing process those parts of the soil, namely the wide bottom flaps, which are responsible for the stability of the soil during filling. It follows that a high stability of the soil is not compatible with a good tearability.
  • the present invention is therefore based on the object, a bag of the type mentioned in such a way that a comfortable tearing operation in the bottom of the bag is possible without having to weaken the stability of the sack during filling.
  • the bag of the invention combines a high stability of the soil during filling with a slight opening possibility for emptying the bag.
  • the stability of the bottom during filling results from the fact that the widthwise tears of the wide bottom flaps are significantly separated from one another and that their opening is unlikely due to the filling pressure of the filling material or due to a filling valve inserted into a valve opening due to the bottom cover sheet glued over it.
  • the opening of the bag according to the invention is carried out by pulling the operating end of the reinforcing strip, which causes a tearing of the tear lines of the bottom flaps, since the tear lines to the edge of the bottom flaps extend, which is adjacent to the operating end.
  • the bag according to the invention thus provides the full stability of the soil when filling through the overlapping wide bottom flaps of the bottom cover sheet.
  • the tearing process is simple, because with the reinforcing strip of the soil is torn off over most of its width, the tearing is performed by the tear line, at least initially.
  • the tear lines can be formed by any type of material weakening, preferably by perforation lines.
  • the bag according to the invention can be embodied in all known from the prior art construction variants, so in particular be provided with one or two floors and consist of any material. Especially however, it makes sense the formation of the bag according to the invention as a paper bag, especially kraft paper and preferably as a multi-layer paper bag made of kraft paper. In this case, a plastic layer, preferably made of biodegradable plastic, can be inserted into the plurality of layers of the kraft paper.
  • the bag according to the invention can be carried out with advantage as a valve bag, wherein in a preferred embodiment, under the wide bottom flaps a valve insert from the opposite end of the operating end of the reinforcing strip is used, wherein the valve insert extends to a maximum of half the length of the bottom.
  • valve insert which is preferably designed as a valve tube, extends over less than 1/3 of the length of the floor.
  • the tear lines extend from the edges of the wide bottom flaps facing the operating end of the reinforcing strip to more than half the length of the bottom.
  • the resulting slight weakening of the interconnected bottom flaps by the tear lines does not affect in the area of the valve, ie in the area in which a filler neck of a filling machine can be inserted.
  • the resulting load thus does not act directly on the tear lines.
  • the length of the tear lines and the length of the reinforcing strip may be limited so that the reinforcing strip extends to a maximum of half the length of the soil. This ensures that a valve insert on the one hand and the reinforcing strip on the other hand do not interfere with each other when placed in the ground.
  • the distance between the tear lines of the wide bottom flaps is two thirds or more of the width of the bottom.
  • the width of the reinforcing strip according to the invention may substantially correspond to the distance between the tear lines of the wide bottom flaps and should be at least 3 ⁇ 4 of the distance between the tear lines.
  • the reinforcing strip is preferably made of kraft paper. It may be useful to provide the reinforcing strip itself, in particular in the region of the operating end, with a tear-resistant band, for example made of plastic, in order to ensure that the actuating end does not break off when the bottom of the bag is torn open.
  • the bag according to the invention can be torn open completely over the entire length of the bag bottom with the aid of the reinforcing strip. Since this virtually eliminates the entire floor, no further opening procedures are required. For complete rupture of the reinforcing strip does not necessarily extend over the entire length of the soil, but may - as mentioned above - for example, halfway or below already end, because then decrease the expended for the further opening forces and later in the opening process can be absorbed by the wide bottom flaps.
  • the opening of the bag floor only partially, so as to allow a metered removal of the contents of the bag.
  • the bag bottom can be opened, for example, about half its length.
  • the single drawing figure shows in a perspective view schematically a bag according to the invention, which has assumed its cubic shape caused by the filling and is partially open on a bottom side for emptying the bag.
  • the bag consists of a tubular jacket wall 1, which is folded and glued at its two front ends in each case to a bottom 2, 3, here in the form of cross bottoms.
  • the bag is on a lower bottom 2, which is designed as a conventional cross bottom.
  • the bottom 3 located in this position has, on the one hand, a valve opening with a valve insert 4 and, on the other hand, a device 5 according to the invention with which the bottom 3 can be opened for emptying the bag.
  • the lower floor 2 is bounded in a conventional manner by two long side edges 6 and two short side edges 7.
  • For the preparation of the soil is based on the flat tubular casing wall 1, which is bounded by extending in the longitudinal direction of the bag folding lines 8, which is shown in the figure as a dotted line. Due to the formation of known (not shown) Bodeneckeinellen extending over the bag width side walls are folded away from each other and laid over as a bottom side envelopes. After the formation of the cylindrical shape of the jacket wall 1, this results in narrow side flaps 9 hinged to the short side edges 7 and wide bottom flaps 10 hinged to the long side edges 6, which are glued together overlapping each other.
  • the narrow bottom flaps 9 and the wide bottom flaps 10 thus protrude at right angles from the tubular jacket wall 1 angled into the region of the bottom 2 and are thus together glued that they already form a dense bottom 2.
  • a rectangular bottom cover sheet 11, which essentially has the dimensions of the bottom 2 is glued to the bottom 2.
  • the bottom cover sheet 11 is both with respect to the length and. With respect to the width of the bottom 2 is slightly smaller than the bottom 2 is formed.
  • the upper floor is formed with basically the same construction and consists of narrow bottom flaps 9 and wide bottom flaps 10th
  • the narrow bottom flaps 9 project with a straight, free end edge 12 in the area of the bottom 2 over its entire width.
  • the wide bottom flaps 10 have free end edges 13, whose length is significantly smaller than the length of the long side edges 6, from which they go out.
  • the bottom flaps are therefore trapezoidal, because they are connected by triangular pockets with the narrow bottom flaps 9.
  • the upper bottom 3 has at one end a valve opening into which the valve insert 4, preferably in the form of a flat tubular paper strip, is inserted.
  • the valve insert extends in the illustrated embodiment over about 1/3 of the length of the bottom 2 and protrudes with its inner edge 14 on the free end edge 12 of the located on this side narrow bottom flaps 9 addition.
  • the valve insert 4 thus defines, with its inner edge 14, the connection between the valve opening of the bottom 3 and a bag interior formed by the tubular jacket wall 1 and the bottom 2, 3.
  • the upper bottom 3 is on its side opposite the valve insert - with respect to its length. - Provided with the device 5 to open.
  • the device 5 consists of a reinforcing strip 15 which is glued on the bottom of the two wide bottom flaps 10 facing the bag interior.
  • the reinforcing strip 15 extends over the length of the Bodendeckblatts 11 with a protruding end, which thus forms an actuating end 16 which protrudes from the bottom 3 and on which the reinforcing strip 15 can be grasped.
  • the drawing figure shows that when pulling up the reinforcing strip 15 at the operating end 16 of the bottom is opened by a part of the two wide bottom flaps 10 is torn off along a tear line 17 with the reinforcing strip 15.
  • the tear-open line 17 may be formed as a perforation line which guides the tearing operation of the bottom 3 caused by the reinforcing strip 15.
  • the tear lines can extend over the entire length of the floor (ie the entire bag width). In the illustrated embodiment, however, the tear lines 17 extend over only a portion of the length of the bottom 3, starting from the oblique edges of the wide bottom flaps 2 pointing to the operating end 16 to about half the length of the bottom 3.
  • the advantage is achieved that the tear lines 17 do not extend into the region of the valve insert 4. However, this area is stretched by an inserted filler neck and therefore loaded with forces that could cause an opening of the tear line 17.
  • the approximately half the length of the bottom 3 ending tear lines 17 are not immediately acted upon by the opening of the bottom valve, so that a premature weakening of the stability of the bottom 3 is not to get through the inserted filler neck.
  • the width of the reinforcing strip 15 corresponds exactly to the distance between the tear lines 17. This is but not essential. It is only essential that the reinforcing strip 15 has a width such that the tearing of the parts of the wide bottom flaps 10 along the two tear lines 17 initially takes place. It is therefore useful if the width of the reinforcing strip 15 is at least 3/4 of the distance between the tear lines.
  • the length of the reinforcing strip 15 corresponds to the length of the tear lines 17. Again, this is not a necessary feature. Rather, the reinforcing strip 15 may be shorter or longer than the tear lines 17. In general, it will be useful for the reinforcing strip 15 to extend at least 1/4 or 1/3 of the length of the bottom from the operating end 16. In the drawing figure, the bottom 3 is only partially open. By pulling up the narrow bottom flap 9 can thereby create a blind opening that allows a metered emptying of the bag.
  • the tear lines 17 are arranged near the long side edges 6, so that after the tearing of the bottom 3 at most narrow edge strips 18 remain, with which the bottom cover sheet 11 was generally glued initially and of which the bottom cover sheet 11 due to the small contact surface is easy and unproblematic deductible when using conventional glue glue.
  • the reinforcing strip 15 thus the part of the wide bottom flaps 10 is torn off between the tear lines 17 and the bottom cover sheet 11 detaches from the edge strips 18. A tearing Therefore, the bottom cover sheet 11 does not take place, so that the bottom cover sheet 11 does not have to be weakened for a tearing operation, but can cause full stability of the bottom 3. In particular, this makes it possible to form a stable bottom for filling 3, which can be opened with ease of use in a reliable and reproducible manner.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bag Frames (AREA)

Claims (10)

  1. Sac, formé à partir d'un tronçon d'une paroi enveloppe (1) en forme de tuyau définissant une largeur de sac, paroi à partir de laquelle un fond (2, 3) est posé et collé à au moins une extrémité du tronçon au moyen de rabats de coins de fond et au moyen de rabats de côtés de fond posés par-dessus les rabats de coins de fond, le fond présentant, dans l'état rempli du sac, une forme rectangulaire avec des arêtes latérales courtes (7) qui délimitent une longueur du fond et avec des arêtes latérales longues (6) qui délimitent une largeur du fond, dans lequel des parties des rabats de coins de fond s'étendent, en partant des arêtes latérales courtes (7) sous forme de volets de fond étroits (9) dans la région du fond (2, 3), par-dessus lesquels sont repliés les rabats de côtés de fond, en partant des arêtes longitudinales longues (6) du fond (2, 3) sous forme de volets de fond larges (10) qui se chevauchent mutuellement en direction de la largeur du fond (2, 3) et qui sont collés ensemble, et dans lequel une feuille de couverture de fond rectangulaire (11) ayant la longueur et la largeur du fond (2, 3) est collée sur le fond (2, 3) formé, caractérisé en ce qu'une bande de renforcement (15), qui s'étend en direction de la longueur du fond, est collée sur la face inférieure des volets de fond larges (10) qui se chevauchent mutuellement, bande qui dépasse au-dessous de la feuille de couverture de fond (11) avec une extrémité d'actionnement (16), en ce que les volets de fond larges (10) sont respectivement dotés d'une ligne de déchirure (17) qui s'étendent parallèlement aux arêtes latérales longues (6) du fond (2, 3) et présentent une distance l'une par rapport à l'autre qui est plus grande que la moitié de la largeur du fond (2, 3), et en ce que les lignes de déchirure (17) s'étendent jusqu'à la bordure du volet de fond large respectif (10) tournée vers l'extrémité d'actionnement de la bande de renforcement (15), de sorte que les parties, situées entre les lignes de déchirure (17) des volets de fond larges (10) sont susceptibles d'être déchirées avec la bande de renforcement (15), et la feuille de recouvrement de fond (11) peut être supprimée.
  2. Sac selon la revendication 1, caractérisé en ce que les lignes de déchirure (17) sont agencées à distance des arêtes latérales longues (6), et en ce que la feuille de recouvrement de fond (11) est susceptible d'être retirée avec la bande de renforcement (15) depuis la bande de bordure (18), des volets de fond larges (10), qui reste après la déchirure des parties des volets de fond larges (10).
  3. Sac selon la revendication 1 ou 2, caractérisé en ce qu'un insert formant valve (4) est mis en place au-dessous des volets de fond larges (10) en partant des bordures opposées à l'extrémité d'actionnement (16) de la bande de renforcement (15), insert qui s'étend au maximum sur la, moitié de la longueur du fond (3).
  4. Sac selon la revendication 3, caractérisé en ce que l'insert formant valve (4) s'étend sur moins de 1/3 de la longueur du fond (3).
  5. Sac selon l'une des revendications 1 à 4, caractérisé en ce que les lignes de déchirure (17) s'étendent depuis les bordures, tournées vers l'extrémité d'actionnement (16) de la bande de renforcement (15), des volets de fond larges (10) au maximum jusqu'à environ la moitié de la longueur du fond (3).
  6. Sac selon l'une des revendications 1 à 5, caractérisé en ce que la bande de renforcement s'étend au maximum sur la moitié de la longueur du fond (3).
  7. Sac selon l'une des revendications 1 à 6, caractérisé en ce que la distance entre les lignes de déchirure (17) des volets de fond larges (10) s'élève à 2/3 de la largeur du fond (3) ou plus.
  8. Sac selon l'une des revendications 1 à 7, caractérisé en ce que la bande de renforcement (15) a une largeur d'au moins ¾ de la distance entre les lignes de déchirure (17) des volets de fond larges (10).
  9. Sac selon l'une des revendications 1 à 8, caractérisé en ce que la bande de renforcement est en papier Kraft.
  10. Procédé pour ouvrir un sac selon l'une des revendications 1 à 9, caractérisé en ce qu'en tirant sur l'extrémité d'actionnement (16) de la bande de renforcement (15) seulement sur une partie de la longueur du fond (3) on réalise une ouverture de vidage du sac dans la région du fond (3).
EP13001938.3A 2012-04-16 2013-04-15 Sac doté d'un fond de sac Active EP2653402B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102012007407.7A DE102012007407B4 (de) 2012-04-16 2012-04-16 Sack mit einem Sackboden und Verfahren zum Öffnen eines solchen Sacks

Publications (2)

Publication Number Publication Date
EP2653402A1 EP2653402A1 (fr) 2013-10-23
EP2653402B1 true EP2653402B1 (fr) 2016-09-14

Family

ID=48183992

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13001938.3A Active EP2653402B1 (fr) 2012-04-16 2013-04-15 Sac doté d'un fond de sac

Country Status (2)

Country Link
EP (1) EP2653402B1 (fr)
DE (1) DE102012007407B4 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202021102384U1 (de) 2021-05-04 2022-08-05 Dy-Pack Verpackungen Gustav Dyckerhoff Gmbh Sack für Schüttgut

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3081930A (en) * 1957-10-17 1963-03-19 Paper Sacks Ltd Bag opening device
DE1105339B (de) 1958-12-01 1961-04-20 Union Bag Camp Paper Corp Kreuzbodenpapiersack
DE1170861B (de) * 1962-03-24 1964-05-21 Korsnaes G M B H Sack oder Beutel aus Papier od. dgl. mit einer Aufreissvorrichtung
DE1229828B (de) 1962-11-12 1966-12-01 Windmoeller & Hoelscher Verfahren zum Herstellen von Kreuzbodensaecken mit einer aus Teilen der Bodenseitenumschlaege gebildeten Aufreissvorrichtung und Vorrichtung zur Durchfuehrung des Verfahrens
DE4010822A1 (de) 1990-04-04 1991-10-10 Wilhelmstal Werke Gmbh Kreuzbodensack

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DE102012007407A1 (de) 2013-10-17
EP2653402A1 (fr) 2013-10-23
DE102012007407B4 (de) 2017-02-16

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