EP2535293A1 - Sachet doté d'une fermeture réutilisable comprenant une bride de fermeture scellée dans le joint de scellement supérieur - Google Patents

Sachet doté d'une fermeture réutilisable comprenant une bride de fermeture scellée dans le joint de scellement supérieur Download PDF

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Publication number
EP2535293A1
EP2535293A1 EP11170393A EP11170393A EP2535293A1 EP 2535293 A1 EP2535293 A1 EP 2535293A1 EP 11170393 A EP11170393 A EP 11170393A EP 11170393 A EP11170393 A EP 11170393A EP 2535293 A1 EP2535293 A1 EP 2535293A1
Authority
EP
European Patent Office
Prior art keywords
seam
region
longitudinal
bag
edge zone
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Withdrawn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
EP11170393A
Other languages
German (de)
English (en)
Inventor
Oswald Watterott
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
Priority to EP11170393A priority Critical patent/EP2535293A1/fr
Priority to DE201120105026 priority patent/DE202011105026U1/de
Publication of EP2535293A1 publication Critical patent/EP2535293A1/fr
Withdrawn legal-status Critical Current

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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
    • B65D33/00—Details of, or accessories for, sacks or bags
    • B65D33/16—End- or aperture-closing arrangements or devices
    • B65D33/24—End- or aperture-closing arrangements or devices using self-locking integral or attached closure elements, e.g. flaps
    • 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
    • B65D31/10—Bags or like containers made of paper and having structural provision for thickness of contents with gusseted sides
    • 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
    • B65D75/5861—Spouts
    • B65D75/5866—Integral spouts
    • 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
    • B65D75/5894—Preformed openings provided in a wall portion and covered by a separate removable flexible element
    • 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
    • B65D2313/00—Connecting or fastening means
    • B65D2313/02—Connecting or fastening means of hook-and-loop type

Definitions

  • the invention relates to a bag with a gusset.
  • the invention further relates to a method for producing a bag according to the first paragraph.
  • the pouch described therein has a gusset interposed between a front wall and a rear wall and a reclosure disposed on the inside of the gusset with a first closure member and a second closure member for forming a resealable chute in an opening region in the gusset.
  • the re-closure has a sealing flap which covers the opening region and its edge regions which adjoin it and which is secured along its edge with the recess of a continuous region on the inside of the side fold.
  • the closing flap is at least partially made of a sealable material and is defined along its edge with the recess of the contiguous area on the inside of the gusset by a sealed seam.
  • the sealed seam has the shape of an inverted "U".
  • a bag made in this way has a head area of considerable size, which is de facto unused. This head area accommodates an upper bag volume above the lower edge of the closing strap facing the foot area. This upper bag volume is usually at the time of filling.
  • the bag is not usable and also contains during pouring or dumping of the packaged goods the considerable risk that can accumulate next to the Verschschreiblasche inside the bag packaged and the Versch redesignlasche by the weight of above the opening area or the opening accumulating packaged after is pressed outside. As soon as sufficient packaged goods have accumulated, the closing flap tends to fold outward with the part of the side fold adjacent to it. As a result, the chute is largely closed and thus prevents a swift and well-dosed pouring of the packaged goods.
  • the subject of the invention is therefore a pouch made of a foil and a front wall and a rear wall and a head region to be closed with a top seal and a foot region and at least one longitudinally extending between the head region and the foot region the front wall with the rear wall connecting gusset having an outer side and a sealable inner side, wherein the gusset has an opening portion and a reclosure attached to the inside, the reclosure having a closing tab covering the opening portion and adjoining edge portions, and the closing tab along its edge, leaving a contiguous area, in which a closure part is arranged, is fixed on the inside, wherein the closing flap, at least in its head region facing the first edge zone has a sealable plastic and the first R andzone extends into a region provided for forming the top seal seam.
  • the subject of the invention is a method for producing a bag from a film, the bag having a front wall and a rear wall and a head region to be closed with a top seal and a foot region and at least one longitudinally between the
  • the method comprises the steps of supplying the film and defining an opening area within a region of the film intended to form the gusset Positioning a Verschwinlasche so as to form a reclosure so within the provided for forming the gusset portion of the film that the Verschmirroredlasche covers the opening portion and adjoining edge portions and extends with its first edge zone into the intended to form the top seal portion of the film and in that the closure flap can be fastened to the inside along its edge, with the exception of a contiguous region in which a closure part is arranged, the closure flap being fastened at least in its region to the head region the first edge zone has a sealable plastic.
  • the various walls of the bag may be present as individual wall segments and joined together by gluing or sealing their edges. Also, extrusion seams are possible. Also, a film may be formed into a tube and contacting edges of the film sealed together to make the bag. In addition, in such a tube shape by folding the tube wall, a side fold or two side folds can be produced. At such fold edges and the structure of the bag reinforcing longitudinal sealing seams may be formed.
  • the foot can be formed flat or realized in the form of a fin.
  • the opening region can be formed by an opening already prefabricated in the film, for example by punching out a film part, or by a cut.
  • the opening region can also be formed by an originally closed part of the film, which is opened only when the bag is first opened or removed from the bag.
  • the opening region may have a weakening of the material that delimits the opening, which weakening of the material defines a region of a flap that can be completely or partially released from the lateral fold, wherein after removal of the tab, a chute can be formed.
  • the weakening of the material can be produced by the action of a laser beam or by the production of a perforation or embossing. There may also be a combination of these measures.
  • the material weakening may be a continuous line or in the form of a broken line.
  • the opening may also already be incorporated in the film and this opening may be closed by an additional closing tab applied on the outside of the film, which has to be torn away from the opening in order to open it. In both cases, an original packed condition can be detected when the opening is completely closed, so there is no damage to the tab.
  • the opening area may be defined prior to processing the film into a bag, for example during its manufacture. However, the opening area can also be defined in the course of processing the film into a bag.
  • a chute is formed with the opening opened through a part of the side fold adjacent to the opening area (eg, facing the foot area), which is pulled away from another part of the side fold located on the opposite side of the opening area (eg, the head area) the area between the front wall and the rear wall is pulled out.
  • the bag may also include actuating means for actuating the reclosure disposed on the gusset adjacent the opening portion, the actuating means having a grip portion for engaging and a mounting portion for securing the gripping portion to the gusset.
  • the actuating means may be constituted by a single or multi-layer foil strip which is mounted either transversely to the longitudinal direction or parallel to the longitudinal direction, preferably at the position of a central folding line of the lateral fold either on the outside or on the inside. If it is attached to the inside, it is led out of the bag through a slot along the fold line, so that the grip area can be easily gripped from the outside.
  • the slot and preferably also the fastening area attached to the inside, can be sealed off with an inside attached cover sheet.
  • the attachment area as well as the cover sheet can be arranged between the inside and an element of the reclosure.
  • the attachment area may engage immediately adjacent to the opening area at the location of the gusset at which the one part fastened to the reclosure which cooperates with the other part of the reclosure fastened to the closing tab.
  • a film As a film, a single-layer film or a multi-layer film can be used.
  • a multilayer film may e.g. be made by laminating or coextrusion.
  • the area provided for forming the top-seal seam may directly adjoin or be spaced apart from an outer edge of the head area.
  • the inventive measures is achieved in an advantageous manner that for the upper, head-side edge of Versch redesignlasche no separate tool and consequently no separate operation for attaching to the inside is needed.
  • the manufacturing method can thus be made more efficient and cheaper than is the case with the known method.
  • the integration of the upper edge (first edge zone) of the closing flap into the top-seal seam enables the opening area or opening to be as close as possible for the first time the top seal can be brought.
  • the chute can be opened close to the top seal or immediately adjacent to the top seal. This is possible only because a separate sealing seam between the top seal seam and the opening region for attaching the upper edge (first edge zone) of the closing flap is dispensed with.
  • the use of the film is optimized in a production of the bag, because of a de facto unusable upper bag volume above the lower edge (located towards the foot area) of the closing flap can be largely dispensed with.
  • the film used in bag making can be used to a greater extent to produce a useful lower bag volume, ultimately resulting in more efficient film usage.
  • the bag can ultimately be made smaller or, viewed differently, foil material can be saved for a given usable bag volume.
  • the opening region or the opening or ultimately an upper edge of the chute can be located at least within a region defined by the size of the closing tab at a freely selectable distance adjacent to the top-seal seam.
  • the opening area or the opening or the upper edge of the chute is arranged directly adjacent to the top seal seam. This means that the upper edge of the chute can either be spaced around a tab that can be pulled out of the gusset or directly below the top seal. In both cases, the advantage is obtained that the upper, unusable bag volume (above the lower edge of the closing tab) can be kept as low as possible.
  • Immediately adjacent to the top seal should mean here in a range of 0 to 5 cm, preferably in a range of 0.5 to 2 cm.
  • the closure part has proved advantageous for the closure part to have a first closure element fixed on the inside of the side fold and a second closure element cooperating therewith fixed to the closure flap, and the first and the second closure element immediately adjacent to the opening region or at a distance from the latter Opening portion is arranged in the direction of the foot region, wherein the first closure element is fixed to the inside and the second closure element of that of the inside facing side of the closure flap.
  • the size of the upper bag volume can thus be determined as a function of the width of the closure element and / or the width of the opening region. In the present case, the width is measured in the longitudinal direction of the gusset. As a distance, a range of 0 to 5 cm, preferably a range of 0 to 2 cm are used.
  • the closure elements may be formed by parts of a zipper.
  • the first closure element is a first Velcro strip with a first Velcro area, which is bounded on the one hand by a first sealing flange located towards the head region and on the other hand by a second sealing flange located towards the foot region
  • the second closure element has a second Velcro strip with a second Velcro region, on the one hand through a head region third sealing flange and on the other hand is bounded by a fourth sealing flange located towards the foot region, wherein the third sealing flange located immediately adjacent to the opening region or at a distance from the opening region in the direction of the foot region and sealed with the Versch Strukturlasche.
  • the two Velcro strips are parallel to each other and transverse to the longitudinal direction preferably 90 ° transverse to the longitudinal direction.
  • the size of the upper bag volume can now be determined as a function of the width of the third sealing flange. As a distance, a range of 0 to 5 cm, preferably a range of 0 to 2 cm are used.
  • the gusset is limited by a first longitudinal sealing seam towards the front wall and by a second longitudinal sealing seam towards the rear wall.
  • the closing flap has a width adapted to the width of the side fold.
  • a "width adapted to the width of the gusset" is intended to mean that the maximum width can be so great that the second and the third edge zone the respective longitudinal sealing seam - possibly with the recess of a fold or fold region of the film on the outer edge of the Longitudinal seam - completely fills, or that the width may be slightly smaller than the previously mentioned maximum width, so that the second and the third edge zone extends only into a part of the respective longitudinal sealing seam and thus only partially fills the respective longitudinal sealing seam viewed from the inside outwards.
  • the closing flap has a sealable plastic on its first longitudinal seam facing the second edge zone and in the second longitudinal seam facing third edge zone and the second edge zone is in the first longitudinal sealing seam and the third edge zone is sealed in the second longitudinal sealing seam.
  • This measure also contributes to avoiding folding out of the upper part (located above the opening area in the direction of the head area) of the gusset, because the closing blade is no longer supported only on the inside of the gusset, but the power transmission is displaced in the longitudinal sealing seams.
  • the advantage is obtained by this measure that for the second and third marginal zone of the closing strap adjoining the upper, namely head-side first edge zone, no separate tool and consequently no separate working step for fastening on the inside is necessary. Rather, in the production of the longitudinal sealing seams at the same time the closing flap is fastened in the respective longitudinal sealing seam. The manufacturing method can thus be made more efficient and cheaper than is the case with the known method.
  • the positioning of the closure flap is such that the first marginal zone is sealable along the full top seal margin, e.g. to obtain a good anchoring of the closing tab in the top seal, which is e.g. is favorable at a relatively low top margin.
  • the top seal margin is relatively large, it may be sufficient for the first edge zone to be sealable into the top seal along only a portion of the top seal margin, e.g. To keep the appearance of the top seal as narrow as possible.
  • the closing tab has a width adapted to the width of the side fold to be formed and is bounded by a second edge zone and a third edge zone.
  • the closing flap is positioned such that its second edge zone comes to lie in a region of the film intended to form a first longitudinal seam seam bounding the side fold toward the front wall and its third edge zone is provided in a second longitudinal seam seam forming the side fold toward the rear wall
  • the region of the film and the closing flap has a sealable plastic in its second edge zone and in its third edge zone, the method comprising producing the first longitudinal sealing seam with sealed second edge zone and generating the second longitudinal sealing seam with sealed third edge zone.
  • the first and the second longitudinal sealing seam have a longitudinal sealing seam width.
  • the second edge zone is sealed along the full longitudinal seal seam width or along a portion of the longitudinal seal seam width in the first longitudinal seam and the third edge zone is sealed into the second longitudinal seam along the full longitudinal seal seam width or along a portion of the longitudinal seam seam width.
  • the aspects mentioned in relation to the first marginal zone are valid.
  • the Velcro areas of the two Velcro strips can be identical or designed differently.
  • the respective gusset may be formed along the entire length of the bag or only along an area below the top seal.
  • the bag can already be closed at the head end during its manufacture and can be preassembled open on the foot side or open on the head end and closed on the foot side, thus being delivered.
  • the method of its manufacture for closing the bag comprises the step of closing the head region with sealing of the first edge zone in the top seal.
  • This process step may e.g. be carried out at a bag manufacturer. But it can also be carried out at a bottler who fills the pre-assembled bag open at the top with packaged goods and then closes it with the top seal.
  • the bag produced in this way has a top-seal seam with a sealed-in first edge zone.
  • a bag 1 which is designed as a gusseted bag and which is made of a flexible film 2 made of plastic, which forms the wall of the bag 1.
  • the film 2 has multiple layers, wherein at least one outer side 10 (or outer wall or outer layer of the film 2 called) and a sealable inner side 16 (or outer wall or outer layer of the film 2 called) (see, eg Fig. 3 or 4 and 5 ) exist.
  • the 1 illustrated bag 1 has a front wall 3 and a rear wall 4 and a head portion 5, which is closed along its entire width with a top seal 6, and a foot portion 7, which is closed along its entire width with a candidaturesiegelnaht 8, and a longitudinal direction between the head area and the foot area extending the front wall 3 with the rear wall 4 connecting first side fold 9.
  • the bag 1 has a second, but in the perspective of Fig. 1 invisible and therefore only hinted second gusset 26 on.
  • the first gusset 9 is bounded by a first longitudinal sealing seam 35 towards the front wall 3 and by a second longitudinal sealing seam 36 towards the rear wall 4.
  • the second gusset 26 is limited by a third longitudinal sealing seam 37 toward the front wall 3 and by a fourth longitudinal sealing seam 38 toward the rear wall 4.
  • the second gusset 26 will not be discussed further below, because the invention will be discussed with reference to the first gusset 9.
  • the respective end of each gusset is sealed to itself at the head end in the area of the top seal seam 6 as well as at the foot side in the area of the foot seal seam 8 in order to obtain the illustrated shape of the bag 1.
  • the bag 1 can be closed on the head side and opened on the foot side or opened at the head end and prefabricated on the foot side.
  • the unilaterally open bag is then delivered to a bottler, there filled depending on the situation by the still open head area 5 or foot area 7 with packaged goods and then closed by the respective sealed seam 6 or 8.
  • Fig. 2 puts one in the Fig. 1 All longitudinal sealing seams 35 to 38 have a longitudinal sealing seam side LSW measured in the transverse direction to the longitudinal direction of the Gusset 9 on. Measured with respect to an outer edge of the longitudinal sealing seams 35 or 36, the fully closed side gusset 9 has a side-folding depth GD which is in Fig. 3 is registered. In the Fig. 2 is further registered a KopfsiegelnahWeite HSW, which is measured in the longitudinal direction of the gusset 9.
  • the first gusset 9 has an opening portion 11 with a reclosure 12 attached to the inside 16 (not visible from outside).
  • the reclosure 12 serves to form a resealable chute 24 (see Fig. 6 ).
  • the reclosure 12 has a closing flap 17 which covers the opening area 11 and adjacent edge areas. Details of the closing tab 17, their positioning and their interaction with other components are in the Fig. 3 . 4 and 5 shown.
  • the closure flap 17 is fixed along its edge 18 with the recess of a contiguous region 19 on the inner side 16 of the first gusset 9.
  • the rim 18 delimits a first edge zone 32, which extends substantially parallel to the top seal 6, a second edge zone 33 and a third edge zone 34, wherein the second and third edge zones 33 and 34 are substantially parallel to the longitudinal direction of the first edge zone 32 extend in the direction of the foot area 7.
  • the edge zones 32 to 34 are in the FIG. 4 hatched shown.
  • a closure member 20 is arranged, which will be discussed below.
  • the closing flap 17 has a width which, adapted to the width of the side fold 9, in the present case slightly narrower (about 1 mm) than the width of the side fold 9.
  • the closing flap 17 is at least on both sides (front and back of the Closing flap 17) over the entire surface of a sealable material and is therefore sealable on both sides.
  • the procedure is such that the first edge zone 32 is sealed into the top seal seam 6.
  • the third edge zone 33 is sealed in the first longitudinal sealing seam 35, which in a sectional view of Fig. 8 along one in the Fig. 2 illustrated sectional line EE is visualized
  • the third edge zone 34 is sealed in the second longitudinal sealing seam 36, which in a sectional view of Fig. 7 along one in the Fig. 2 illustrated section line DD is visualized.
  • the first gusset 9 also has on the first gusset 9 adjacent to the opening portion 11 arranged actuating means 13 for actuating the reclosure 12 and consequently also for actuating the chute 24 (see Fig. 1 ).
  • the actuating means 13 comprise a grip region 14 for engagement with the fingers of a user's hand (not shown) and a fastening region 15 for attaching the grip region 14 to the outside 10 of the lateral fold 9, the grip region 14 in the present case with the aid of adhesive (not shown) is attached to the outside 10 ( Fig. 1 . Fig. 2, Fig. 3).
  • Fig. 2 shows the closed chute 24 with the reclosure 12 in the closed state.
  • Fig. 6 shows the reclosure 12 and the chute 24 in the open state.
  • the grip area 14 is oriented transversely to the longitudinal direction and positioned centrally to the side fold 9.
  • the gusset 9 has a longitudinally extending central fold line 25 and the handle portion 14 is folded according to the fold line 25.
  • the attachment portion 15 is oriented and folded in an analogous manner as the handle portion 14 and closer to the opening portion 11 and the opening 23 arranged as the handle portion 14.
  • the procedure according to the invention is followed. First, (see Fig. 4 ) fed to the film 2 in the form of a film strip, as by the in the FIG. 3 indicated arrow 30 is indicated.
  • the bag 1 is produced by forming a tube, wherein a right film edge 31 is folded over to the left film edge 47 of the film strip, so that there are limited by the reference numeral 38 zones of the inner side 16 to each other come. By heat action along these zones, the fourth longitudinal sealing seam 38 is produced, which seals the bag 1 along the side.
  • Marking lines M9, M10 and M11 which are interrupted with a single point indicate folding edges at which the inner side 16 of the film 2 is folded against each other, after which the three longitudinal sealing seams 35, 36 and 37 are produced by heat.
  • Marking lines M12 and M13 interrupted by two dots indicate the position of the first fold line 25 of the first side fold 9 and the position of a second fold line 29 of the second side fold 26.
  • Transverse to the zones of the film 2 intended for the longitudinal sealing seams 35 to 38 are those intended for the foot seam 8 (between M15 and M16 for the preceding bag 1) and the top seam 6 (between M14 and M16 for the bag 1 currently being processed) Zones, wherein after the formation of tubes and formation of the side gussets 9 and 26, the top seal 6 is produced and a bag 1 is separated from another adjacent bag 1 along the marking line M16. Through the open foot area 7 through the bag 1 with filling material (not shown) is filled and then the qualitativesiegelnaht 8 produced.
  • the opening region 11 is defined, for example, by producing a laser perforation in the region designated as the first gusset 9, just beside the region designated as the top seal seam 6 (see the result visualized in FIG Fig. 4 ).
  • the laser perforation defines a continuous line that has an opening 23 (see FIG Fig. 6 ) limited to filling material removal.
  • the actuating means 13 is fixed to those designated as the outside 10 side of the film 2 by gluing the attachment portion 15 with the outside 10 (see result visualized eg in Fig. 4 ).
  • the closure part 20 is realized by a Velcro fastener and is divided into a first closure element 27 and a cooperating second closure element 28, which in cross section in the FIG. 5 are shown in detail.
  • the first closure element 27 has a first Velcro strip 39 with a first Velcro region 40, a first sealing flange 41 and a second sealing flange 42.
  • the second closure element 28 is formed identically to the first closure element 27 and has a second Velcro strip 43 with a second Velcro area 44, a third sealing flange 45 and a fourth sealing flange 46.
  • first the first closure element 27 with the first and the second sealing flanges 41 and 42 is sealed on the inner side 16 (see result visualized in FIG Fig. 4 and 5 ).
  • the first hook-and-loop region 40 is oriented transversely to the longitudinal direction, the first sealing flange 41 being offset parallel to it in the direction of the head region 5 and the second sealing flange 42 being offset parallel thereto in the direction of the foot region 7.
  • the second closure element 28 is sealed to the sealing tab 17 with the third and fourth sealing flanges 45 and 46.
  • the closing tab 17 is fixed by covering the two Velcro areas 40 and 44 at its scheduled position covering the opening portion 11 from the inside 16 ago, wherein the two Velcro areas 40 and 44 are positioned congruent to each other and engaged.
  • the second Velcro area 44 is thereby oriented transversely to the longitudinal direction, the third sealing flange 45 being offset parallel thereto in the direction of the head area 5 and the fourth sealing flange 46 being offset parallel thereto in the direction of the foot area 7.
  • the length of the closing flap 17, measured in the longitudinal direction, is dimensioned such that it reaches approximately half of the top-seal width HSW (see FIG Fig. 5 ).
  • the first sealing flange 41 and the third sealing flange 45 are located at a distance of a few millimeters offset from the opening portion 11 in the direction of the foot region 7.
  • said folding of the film 2 is now carried out along the marking line M9, M10, M11 interrupted by dots, wherein the closing flap 17 is wrapped at its second and third edge edge zones 33 and 34 between regions of the inside 16.
  • the first and second longitudinal seams 35 and 36 are generated in this area by heat, wherein at the same time a sealing of the second and third edge zones 33 and 34 in the respective longitudinal sealing seam 35 and 36 takes place (see result visualized in FIGS. 2 and 3 ).
  • the foot seal seam 8 is produced and the prefabricated bag 1, closed at the foot, is delivered to a bottler of packaged goods for filling.
  • the top seal seam 6 is produced by compressing the head region 5 and the action of heat, at the same time sealing the first edge zone 32 into the top seal seam 6, as described in US Pat Fig. 3 is shown.
  • the bag 1 thus produced allows the positioning of the chute 24 in the immediate vicinity of the continuously sealed top seal 6, as shown in FIG Fig. 6 is shown.
  • the film of the first gusset 9 along the laser perforation of the opening portion 11 was torn open. After complete removal of the film 2 from the opening portion 11 and further tightening on the handle portion 14, the opening 23 is obtained.
  • Characterized the Verschwinlasche 17 is formed in the form of a protruding into the interior of the bag 1 wedge structure anchored in the top seal 6 and connected to the longitudinal sealing seams 35 and 36 outwardly between the front and the rear wall 3, 4 clamped outwardly folded out the closure flap 17 in the direction of the opening chute 24 reliably prevented.
  • the fully open chute 24 is also a part of the second Velcro tape 43 can be seen.
  • the bag 1 shown in FIG. 10 has a flat foot region 7.
  • the lower ends of the gussets are laid inwardly and the predominantlysiegelnaht 8 is folded over and fixed by adhesive to the outer side 10.
  • Such a foot area is shaped flat.
  • the edge 18 of the closing flap 17 extends into the two longitudinal sealing seams 35 and 36 and also into the top seal 6.
  • the bag 1 described here is prefabricated open on the head side, to a bottler shipped there, filled with packaged goods and closed there after its filling by the top seal 6, so that the first edge zone 32 in the top seal 6, the second edge zone 33 in the first longitudinal seam 35 and the third edge zone 34 is sealed in the second longitudinal seam 36.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bag Frames (AREA)
  • Making Paper Articles (AREA)
EP11170393A 2011-06-17 2011-06-17 Sachet doté d'une fermeture réutilisable comprenant une bride de fermeture scellée dans le joint de scellement supérieur Withdrawn EP2535293A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP11170393A EP2535293A1 (fr) 2011-06-17 2011-06-17 Sachet doté d'une fermeture réutilisable comprenant une bride de fermeture scellée dans le joint de scellement supérieur
DE201120105026 DE202011105026U1 (de) 2011-06-17 2011-08-26 Beutel mit Verschließlasche aufweisendem Wiederverschluß eingesiegelt in Kopfsiegelnaht

Applications Claiming Priority (1)

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EP11170393A EP2535293A1 (fr) 2011-06-17 2011-06-17 Sachet doté d'une fermeture réutilisable comprenant une bride de fermeture scellée dans le joint de scellement supérieur

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EP2535293A1 true EP2535293A1 (fr) 2012-12-19

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EP (1) EP2535293A1 (fr)
DE (1) DE202011105026U1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2821610A1 (fr) * 2001-03-01 2002-09-06 Masterfoods Sac a aliments et notamment sac a aliments de type en granules
WO2003082692A1 (fr) * 2002-03-26 2003-10-09 Mark Steele Emballage souple avec dispositif de panneau d'acces transversal
DE10340099A1 (de) * 2003-08-30 2005-03-24 B & B Verpackungstechnik Gmbh & Co. Kg Beutel oder Sack aus Kunststoffolie und Verfahren zur Herstellung
DE202006020724U1 (de) 2006-03-06 2009-09-17 Watterott, Oswald Beutel
DE202010014773U1 (de) * 2010-10-29 2011-02-17 Amcor Flexibles Kreuzlingen Ag Verpackung mit wiederverschliessbarer Schütte

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2821610A1 (fr) * 2001-03-01 2002-09-06 Masterfoods Sac a aliments et notamment sac a aliments de type en granules
WO2003082692A1 (fr) * 2002-03-26 2003-10-09 Mark Steele Emballage souple avec dispositif de panneau d'acces transversal
DE10340099A1 (de) * 2003-08-30 2005-03-24 B & B Verpackungstechnik Gmbh & Co. Kg Beutel oder Sack aus Kunststoffolie und Verfahren zur Herstellung
DE202006020724U1 (de) 2006-03-06 2009-09-17 Watterott, Oswald Beutel
DE202010014773U1 (de) * 2010-10-29 2011-02-17 Amcor Flexibles Kreuzlingen Ag Verpackung mit wiederverschliessbarer Schütte

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