EP2511187B1 - Container for packing bulk material - Google Patents
Container for packing bulk material Download PDFInfo
- Publication number
- EP2511187B1 EP2511187B1 EP12163665.8A EP12163665A EP2511187B1 EP 2511187 B1 EP2511187 B1 EP 2511187B1 EP 12163665 A EP12163665 A EP 12163665A EP 2511187 B1 EP2511187 B1 EP 2511187B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- region
- container
- layers
- seam
- head region
- 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.)
- Not-in-force
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Classifications
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- 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
- B65D33/06—Handles
- B65D33/08—Hand holes
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- 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
- B65D33/002—Rolls, strips or like assemblies of bags
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- 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
- B65D33/02—Local reinforcements or stiffening inserts, e.g. wires, strings, strips or frames
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- 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
- B65D33/25—Riveting; Dovetailing; Screwing; using press buttons or slide fasteners
- B65D33/2508—Riveting; Dovetailing; Screwing; using press buttons or slide fasteners using slide fasteners with interlocking members having a substantially uniform section throughout the length of the fastener; Sliders therefor
- B65D33/2516—Riveting; Dovetailing; Screwing; using press buttons or slide fasteners using slide fasteners with interlocking members having a substantially uniform section throughout the length of the fastener; Sliders therefor comprising tamper-indicating means, e.g. located within the fastener
- B65D33/2533—Riveting; Dovetailing; Screwing; using press buttons or slide fasteners using slide fasteners with interlocking members having a substantially uniform section throughout the length of the fastener; Sliders therefor comprising tamper-indicating means, e.g. located within the fastener the slide fastener being located between the product compartment and the tamper indicating means
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- 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
- B65D75/008—Standing pouches, i.e. "Standbeutel"
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- 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
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- 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
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- 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
- B31B2155/001—Flexible containers made from webs by folding webs longitudinally
- B31B2155/0014—Flexible containers made from webs by folding webs longitudinally having their openings facing transversally to the direction of movement
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- 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
- B31B2160/20—Shape of flexible containers with structural provision for thickness of contents
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- 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
- B31B2170/00—Construction of flexible containers
- B31B2170/30—Construction of flexible containers having corrugated or pleated walls
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- 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
- B31B70/8131—Making bags having interengaging closure elements
- B31B70/8132—Applying the closure elements in the machine direction
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B70/00—Making flexible containers, e.g. envelopes or bags
- B31B70/74—Auxiliary operations
- B31B70/86—Forming integral handles or mounting separate handles
- B31B70/872—Forming integral handles on bags
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B70/00—Making flexible containers, e.g. envelopes or bags
- B31B70/74—Auxiliary operations
- B31B70/86—Forming integral handles or mounting separate handles
- B31B70/874—Forming integral handles or mounting separate handles involving punching or cutting
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- 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
- B31B70/92—Delivering
- B31B70/94—Delivering singly or in succession
- B31B70/942—Delivering singly or in succession by winding up
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- 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
- B31B70/92—Delivering
- B31B70/94—Delivering singly or in succession
- B31B70/946—Delivering singly or in succession the bags being interconnected
Definitions
- the invention relates to a container for packaging of products, in particular a bag or bag made of plastic film according to the preamble of claim 1, with at least one container enveloping the contents of the container, which has at least one front and rear wall, wherein in the bottom region of the container between front and rear wall two inner layers of a folding of at least one side on one of its longitudinal sides inwardly folded web portion of the plastic film are arranged, wherein by means of folding a front floor connecting the back and front wall is formed, and formed with a formed in the head region of the container multi-layer area of more than two superimposed layers, wherein the multi-layer area has at least one support formed as a breakthrough, which breakthrough at least partially penetrates the layers in the head area, and verb with predetermined layers in the side regions and in the head region of the container at the seams.
- Containers for the packaging of filled goods of the aforementioned type which are known, for example, as stand-up pouches, are produced, inter alia, from a plastic film which can be welded on both sides or from a plastic composite film which can be welded on one side and serve, in particular, for wrapping the most diverse bulk goods or fillings, such as, for example, foods or liquids like products.
- such a packaging container which has a multi-layered head portion, which is completely separated by a weld from the filling space of the container. there the weld extends over the entire width of the packaging container.
- the emptying of the packaging container is relatively difficult, since for emptying the container either the head region or the side region must be partially or completely separated.
- the handling of the container on the carrying aid is then severely limited to avoid accidental spillage of the contents of the container.
- the use of the carrying aid formed in the head region is completely impossible, so that an uncontrolled discharge of the contents on the side of the container can be excluded.
- WO 2007/143648 A2 shows a sealable container with parallel to an upper portion of the container arranged carrying tabs.
- US 2,951,628 A discloses a multi-layered container with a carrying aid and an adjacently disposed filling material removal area.
- Out DE 1 918 528 U a generic container is known, although it can be produced inexpensively, but in which a controlled delivery of filling cumbersome and yet not ensured.
- US 6,053,635 A discloses a single-layered container with a carrying aid and an adjacently disposed filling material removal area.
- US 2006/0210199 A1 discloses a container with a head portion in which a region with a carrying aid is arranged in addition to a filling material removal area.
- a folded, perforated film is arranged in two layers between the front and rear walls of the container.
- the layers of the perforated film are connected to the front and rear walls at their upper edge regions, which are arranged in the region of a closure provided above in the product removal region, but not in the region of their folding within the product removal region with the front or rear wall connected. Bulk material can thus pass between the front and rear walls of the product removal area and be distributed through the perforated film.
- the invention is therefore based on the object to show an advantageous producible container for packaging of products that allows a simplified and controlled delivery of the contents of the container interior.
- a container for packaging of products in particular sack or bag made of plastic film according to the preamble of claim 1, with at least one container enveloping the contents of the container, which has at least one front and rear wall, wherein in the bottom region of the container between the front and rear wall two inner Layers of a folding of at least one side on one of its longitudinal sides inwardly folded web portion of the plastic film are arranged, wherein by means of folding a front and rear wall connecting stand base is formed, and with a formed in the head region of the container multi-layer area of more than two superimposed layers, wherein the multi-layer area has at least one carrying aid formed as a breakthrough, which breakthrough at least partially penetrates the layers in the head region, and seams which connect to predetermined layers in the side regions and in the head region of the container In the head region of the container, predetermined layers are connected to one another via at least one section by means of at least one closure means closing the container.
- a portion of the head region which is arranged adjacent to the region equipped with the carrying aid, forms a filling material beneath the closure means Ent Spotify Scheme, and that at least a portion of a connecting seam is disposed at least partially extending around the opening around, such that in the head area a multi-layer area is sealingly separated from the filling space of the container.
- predetermined layers in the filling material removal region are connected to one another via a closure means in such a way that the container is sealingly closed and thus the filling material is retained.
- the filling material removal region is preferably formed in a section of the head region which is arranged immediately adjacent to the part of the head region which is equipped with the carrying aid.
- the carrying aid and the removal area can be formed in the head area of the container at about the same height in the case of a container standing upright on its floor.
- at least one section of a connecting seam is provided.
- This connecting seam section sealingly separates the multi-layer area around the opening in the head area formed in particular from the inner and outer layers from the filling space of the container.
- the connecting seam may be formed as a completely around the breakthrough weld.
- the at least one closure means along the upper edge regions of the layers to be joined together is arranged in the head region.
- the removal region is reached, which is accessible to the contents with advantage up to about the upper marginal edges of the removal region forming layers in the head area. It is also conceivable to arrange the closure means at varying heights of the head region of the container.
- the closure means can be a reclosure arranged in the product removal area.
- a reclosure such as a slider or zipper
- the use of a reclosure has the advantage that the container can be reclosed, in particular after only a partial removal of the contents taken up in the packaging container. Due to the sealing effect of the reclosure disadvantageous effects on the contents, for example, by environmental influences, such as dirt or moisture, are kept as low as possible.
- the reclosure has, in particular, two closure parts which correspond to one another and which are arranged, in particular, on mutually facing surfaces of the layers in the filling material removal region. For this purpose, for example, a sealing seam sealing the container in the head area can be used.
- the reclosure may be disposed both parallel to the generally horizontally extending upper marginal edges of the layers forming the multilayered head region and at a predetermined angle to the edges of the head region of the container.
- a closure layer which connects to one another in the head region can be provided as closure means for a closure means designed as a reclosure.
- a relatively simple and secure closure of the container is achieved.
- the closure seam is preferably a fabric-based weld, which can be an advantageous solid connection between the layers to be joined together ensure.
- the closure seam closing off the filling material removal region in the head region is, in particular, a surface region of specific layers assigned debilitating debit line.
- a predetermined separating line according to the invention, a simplified opening of the packaging container in the filling material removal region and thus a simplified access to the filling material in the filling space of the container is effected.
- the desired cutting line preferably extends over the entire width of the filling material removal region in the head region at a small distance below and in particular parallel to the sealing seam closing the removal region.
- the multilayer region having more than two layers in the head region of the container between the front and rear wall has at least one inner layer of a folding of the web section folded inwards along its longitudinal sides.
- the formation of the head region with at least one arranged between the front and rear wall of the container inner layer, which is designed as a folding along its longitudinal sides inwardly folded web portion, provides an advantageously simple way to multilayer training of the head area.
- the container receives improved strength, so that can easily act on the trained in the head area as a breakthrough carrying support load on this multi-layer area.
- the multi-layer region having more than two layers may in particular extend over the entire width of the container.
- the part of the head region formed as a product-removal region also has, in particular, at least one inner layer folded over as fold between one of the inner sides of the front or rear wall.
- parts of the front and rear walls are folded symmetrically in the form of a folding inwards, so that two arranged between the front and rear wall inner layers are formed.
- each inwardly projecting position of the folding in the head area is fixed by means of at least one connecting seam on the inside of a respective associated front or rear wall.
- the fixing of the inwardly protruding folding is necessary in order to ensure an undisturbed discharge of the filling material from the filling space over the removal area advantageous.
- the lower ends of the inner layers in the portion adjacent to the removal region of the head area in addition to the fixation on a corresponding inner side also be interconnected, whereby this part of the head area is then automatically separated from the filling space of the container.
- the seam which seals the opening in the head region from the filling space of the container is formed from a plurality of seam sections extending at predetermined angles relative to one another and, moreover, can be part of the sealing seam closing the packaging container in the head region.
- the seam sections of the connecting seam and the closing seam can have rectilinear and / or curved sections.
- the connecting seam can have a seam section extending at the height and parallel to the ends of certain layers which are turned inwards, on which a further, subsequent seam section extending at a predetermined angle in the direction of the upper edge region of the layers of the head region is arranged on at least one side ,
- a simple way is created to ensure the breakthrough in the head area and the separation of the product-removal area.
- the layers folded inwards in the head area on the insides of the front and rear walls are advantageously fixed throughout.
- the seam has a portion parallel to the upper end of the package, followed by further seam portions which extend at an angle of 45 degrees to 90 degrees toward the upper fold.
- This partially running in the packaging longitudinal direction seam portion can then pass directly into a formed along the upper edges, the container in the removal region occlusive sealing seam section.
- a connecting seam composed of straight seam sections
- the following describes a method for processing a web material for packaging containers made of plastic film, in particular for film bags with floor, in which at least one flat web is folded into a folding web with superimposed on both sides along the longitudinal sides outer and inner layers, wherein at least on one of the longitudinal sides of folded sheet to be produced by the folding of the fold sheet longitudinal inside of the later floor is produced, and wherein at the opposite, the later multi-layer head area forming longitudinal side of the fold sheet the long sides of the flat sheet the ends of certain mutually unconnected layers are formed superimposed between predetermined surface sections at least partially with each other unconnected layers a reclosure is inserted, then predetermined surface areas of the superimposed layers of the folding path in the longitudinal direction of the folding path by means of least in a section of a closure seam with the reclosure and connected to each other and a strand of at least hose sections, each with a separated from the interior of the hose section multi-layer area is generated in the separated multi-layer area of each hose section of the strand at least a certain number
- a flat web of material from a continuously weldable plastic film or from a one-sided weldable plastic composite film can be used. Their longitudinal edges are superimposed in a multi-layer area along one of the longitudinal sides of the folded web produced in such a way that, for example, the edges of the flat web form the ends of outer or inner superimposed layers on the longitudinal side of the folding web serving as the later head region of the container.
- the floor is, however, formed by means of a folding of a continuous surface piece, so that the two inner layers of the folding are always connected directly to the front and rear wall of a packaging container to be assembled forming outer layers of the folding path.
- folding to one Folded web is inserted or inserted in the part of the head region forming the removal region over a predetermined section, in particular between mutually facing surface sections of unconnected layers, by means of which the removal region at the upper marginal edges is advantageously closed.
- connection of the upper edge regions of the superimposed unconnected layers to one another, whereby at least parts of the folding web are formed into a strand with tubular web sections or a completely closed tube and also the reclosure are connected to certain layers, takes place with the aid of at least one section of a closing seam.
- at least one multi-layer area in the head region is preferably separated from the interior of the tubular web section by means of the closing seam. In the separated multi-layer area, it is now possible to generate an intervention serving as a carrying aid by severing at least two of the in particular four layers in the head area.
- a hose or a tubular web instead of a flat web in a process.
- the alternatively configured method for processing a web material at least one tubular web is folded into a flat tube with superimposed on both sides along the longitudinal sides outer and inner layers, wherein at least on one of the longitudinal sides of the flat tube to be produced by folding the tubular web longitudinal side inward of the later floor is generated, and along the opposite, the later multi-layer head region forming longitudinal side of the flat tube with more than two superimposed layers predetermined layers at least one of the layers interconnected folding edge are at least partially separated and a web is produced with Faltbahnabêten. All other, subsequent to the production of the web with folding web sections subsequent processing steps are identical to the processing method already described above.
- a strand with prefabricated tubular web sections can be produced in an advantageous manner from a hose produced, for example, by means of blown extrusion.
- the bag string can be rolled up relatively easily into a roll, as a result of which a strand produced in accordance with the invention is optimally suitable for further processing, in particular filling with filling material and optionally before and / or subsequent production and closing of individual bag sections in a filling plant.
- the slicing of the sheet material present as a flat tube, preferably in the region of a folding edge can produce a material web with tubular and folding web sections or a folded web completely open in a region in the longitudinal direction.
- the separation of at least one folding edge can be effected in particular before folding the longitudinal side of the material web forming the later head region, or only after the corresponding longitudinal side has been folded on the flat tube into an area with more than two layers. Between the possibly only partially cut Faltbahnabête the web, the reclosures are introduced at predetermined intervals to each other. As described above, further work processes forming the strand follow.
- surface areas of the flat track or the flat tube are folded inwards to form the head area having more than two layers.
- the generation of folds with two layers along both longitudinal sides of the flat web or the flat hose, so that the outer layers extend over the entire width of the respective material web, represents an advantageous possibility for forming the later head and bottom area forming longitudinal sides folds can be produced with different Einfalttiefe so that the multi-layered longitudinal sides of the web have different widths.
- one of the side seams of a packaging container to be produced on a strand of at least tubular web sections running at predetermined distances transversely to the longitudinal direction of the strand by means of cross seams, thereby producing a bag string having a bag-shaped tubular section.
- the production of the bag string can thus be done before winding the strand into a winding, wherein the side seam closing the later packaging container forms a filling bottom serving for the filling process.
- the bag string is thus sealingly closed in the longitudinal direction in fixed or predetermined distances from each other.
- the cross-connection seams in the filling plant, wherein a first, lower cross-connection seam is produced shortly before the filling process.
- the other in the filling direction of the usually to be filled from the side of the container to be filled upper cross-seam is generated after filling and thus sealed the container sealing.
- the cross-connection seams are produced in particular by means of weld-based welds.
- the bag string is weakened immediately adjacent to and along a respective transverse seam. This makes it possible to form a finished packaging container after the filling and the subsequent closing of a bag section still connected to the bag section by tearing off the bag section of the bag string. This can be dispensed with a transverse to the longitudinal direction of the web material to be performed separating cut with advantage.
- the weakening of the bag string takes place immediately adjacent to a transverse weld seam and can be carried out for example by means of the process of perforating, wherein the perforation line to be produced then runs approximately at right angles to the longitudinal sides of the bag string.
- At least one obliquely to one before or after generating the cross-connecting seam Floor area forming multilayer longitudinal side of the bag-strand extending corner weld is generated.
- the Eckenabsch spaung takes place in particular on the still flat lying folding track, so that with the help of appropriate sealing tools the Eckenabsch spaept between the superposed inner sides of the four layers in the bottom area can be implemented simultaneously.
- a plate element is preferably inserted between the outer sides of the inner layers, so that the material connection of the outer sides with one another is prevented from occurring in the bottom region.
- the multi-layer area separated from the interior of a respective tubular section is preferably punched for finishing with an opening.
- an advantageously simple way to form a trained as a breakthrough carrying aid in accordance with the container interior separated multi-layer area of the bag string is effected.
- the punching sections of the layers can be completely removed or even partially severed, so that corresponding areas of the superimposed layers can be folded over and thus an opening is released for reaching through.
- the container 1 with a container for packaging bulk materials is designated, which has a front wall 2, a rear wall 3 and a floor 4.
- the floor 4 is produced from two inner layers of a folding of a folded longitudinally on the longitudinal side tube web or flat web, so that the bottom portion 5 of the packaging container is formed in four flat in the flat state.
- the container 1 further has a likewise multi-layered head region 6, which is likewise produced by a folding on the other longitudinal side of the tubular or flat web used for forming the packaging container.
- the inner layers 7, 8 of the head portion 6 are only partially connected to each other, wherein preferably the inner layers are separated from each other in the mutually unconnected sections in the region of the fold.
- an inner and outer layers interconnecting folding edge to separate at least piecewise.
- a sealing seam 9 is provided in the head region 6, by means of which the packaging container is closed in the head region.
- Part of the closure seam is a connecting seam 10, which separates a multi-layer area 11 of the head area from the interior of the container in such a way that the multi-layer area 11 can be equipped with a carrying aid designed as a breakthrough 12.
- the connection seam 10 prevents the escape of filling material beyond the opening in the various layers of the head region 6. With the help of in the side regions 13, 13 'at the upper edge regions of the inner layers 7, 8 extending portions of the closure seam 9, a portion of the head portion is created, which is accessible between the inner layers for filling.
- a product-removal region 14 is formed, via which an advantageously simple removal of the filling material accommodated in the packaging container 1 is ensured.
- the product removal area 14 furthermore has a predetermined section, in particular at the upper edge region of the container between the inner layers 7, 8, a closure means designed as reclosure 15 for a portionwise removal of the contents on. Its closure parts are also connected in a material-locking manner via the closure seam 9 with the surface pieces of the inner layers facing the reclosure. So that the lower ends of the inner layers 7, 8 do not hinder the emptying of the container 1, these are respectively fixed to the inner sides of the associated front and rear wall by means of connecting seam sections 16, 16 '.
- a connection of the lower ends with each other is not provided.
- side seams 17, 17 ' are provided.
- the packaging container 1 in its bottom region 5 in addition Eckenabsch spazier 18, 18 ', which connect predetermined surface pieces of the floor 4 with the inner sides of the front and rear walls 2, 3 in the bottom region 5.
- FIG. 2 another embodiment of a container 21 is shown, which also has a front wall 22 and a rear wall 23. Front and rear walls are in turn connected to each other via a floor 24 in the floor area 25.
- inwardly folded inner layers 27, 28 are respectively arranged at the upper ends of the front and rear walls 23, 24.
- the inner layers 27, 28 are formed in this embodiment only over a predetermined portion in the head region between the front and rear walls.
- the lower ends of the inner layers projecting between the front and rear walls are connected to one another by means of a sealing seam 29 sealing the container 21, wherein at the same time the multilayer region 31 of the head region 26 with the breakthrough 32 is again formed by means of the sealing seam 29 comprising a connecting seam 30 trained carrying help from the filling space of the packaging container 21 is separated.
- only one of the side regions 33, 33 ' is designed to be accessible for filling material, wherein the side region 33 of the head region 26 likewise has a filling material removal region 34 for simplified removal of the filling material.
- the product removal area 34 is formed in two layers only, with the head area 26 forming an outwardly projecting offset 35 of the product removal area having.
- the offset 35 can be formed, for example, in the head area with the help of sections not turned inwards surface pieces of the front and rear wall.
- a reclosing region 36 sealing the removal region is provided at the upper marginal edge of the product removal region.
- the sides of the container 21 are closed by means of side seams 37, 37 'and furthermore the container additionally has corner welds 38, 38' in its bottom region 25.
- a processing method for a serving for the production of packaging containers made of plastic film web material is shown, which was produced in the present case from a tubular web.
- a flat web can also be used, which is then to be combined exclusively with the required folding web.
- the tubular web is folded into a flat tube 40 with foldings 42, 42 'inserted inwardly along both longitudinal sides 41, 41'.
- the folds 42, 42 ' form the inner layers 43, 43', 44, 44 'in the top and bottom regions of a packaging container to be produced.
- a folding edge connecting the inner layers 43, 44 is separated at the fold 42 forming the later head region of the packaging container with the aid of a separating device 45, so that a folding web 46 opened at one location is formed from the flat tube 40.
- a reclosure 47 is inserted and by means of a sealing seam 48, which also simultaneously connects predetermined portions in the head region of the fold to a strand 49 of at least sealed tube sections, at the mutually facing surfaces of the inner layers in the attached to the upper edge areas.
- the product removal region present in the later head region of the packaging container to be produced is then arranged.
- the closure seam 48 has seam portions which are offset parallel to one another and which are connected by means of oblique seam portions extending at predetermined angles to the seam portions arranged in parallel.
- a multi-layer area 50 is separated from the tube section interior, in which then an at least certain layers of the multi-layer area 50 penetrating aperture 51 is punched.
- transverse joint seams 52 are produced transversely to the longitudinal direction of the strand 49 at predetermined distances from one another, wherein, however, only one of the side seams laterally delimiting the later packaging container is formed during the prefabrication of the bag strand.
- the second side seam is produced only after the lateral filling of the bag-shaped hose section.
- the bag strand is weakened continuously in a near zone to a respective transverse connecting seam, and a perforation line 53 is produced. Over the perforation line, a tube section filled and closed in a filling system can then be torn off directly from the bag string, whereby at the same time a lateral opening of the following bag-shaped tube section for filling is produced.
- two corner welds 54, 54 ' which extend at a predetermined angle to the longitudinal sides 41, 41' of the strand and the generated cross-connection seams 52, are formed in the region of the fold forming the later floor region on both sides of a possibly already produced transverse joining seam 52.
- the corresponding prefabricated bag string is finally rolled up to a winding 55, which is intended for further processing in a filling system.
- at least every second side seam is produced on a packaging container within the filling installation.
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Description
Die Erfindung bezieht sich auf einen Behälter zum Verpacken von Füllgütern, insbesondere Sack oder Beutel aus Kunststofffolie nach dem Oberbegriff des Anspruchs 1, mit zumindest einer das Füllgut umhüllenden Behälterwandung, welche zumindest eine Vorder- und Rückwand aufweist, wobei im Bodenbereich des Behälters zwischen Vorder- und Rückwand zwei innere Lagen einer Einfaltung eines zumindest einseitig an einer seiner Längsseiten nach innen eingefalteten Bahnabschnittes der Kunststofffolie angeordnet sind, wobei mittels der Einfaltung ein die Vorder- und Rückwand verbindender Standboden ausgebildet ist, und mit einem im Kopfbereich des Behälters ausgebildeten Mehrlagenbereich aus mehr als zwei aufeinanderliegenden Lagen, wobei der Mehrlagenbereich mindestens eine als Durchbruch ausgebildete Tragehilfe aufweist, welcher Durchbruch die Lagen im Kopfbereich wenigstens teilweise durchdringt, und mit vorbestimmte Lagen in den Seitenbereichen und im Kopfbereich des Behälters verbindenden Nähten.The invention relates to a container for packaging of products, in particular a bag or bag made of plastic film according to the preamble of
Behälter zum Verpacken von Füllgütern vorbezeichneter Gattung, welche beispielsweise als Standbeutelverpackungen bekannt sind, werden unter anderem aus einer beidseitig schweißbaren Kunststofffolie bzw. aus einer einseitig schweißbaren Kunststoffverbundfolie hergestellt und dienen insbesondere zur Umhüllung der verschiedenartigsten Schütt- oder Füllgüter, wie zum Beispiel Nahrungsmitteln, Flüssigkeiten oder dergleichen Produkte.Containers for the packaging of filled goods of the aforementioned type, which are known, for example, as stand-up pouches, are produced, inter alia, from a plastic film which can be welded on both sides or from a plastic composite film which can be welded on one side and serve, in particular, for wrapping the most diverse bulk goods or fillings, such as, for example, foods or liquids like products.
Aus der
Der Erfindung liegt daher die Aufgabe zugrunde, einen vorteilhaft herstellbaren Behälter zum Verpacken von Füllgütern aufzuzeigen, der eine vereinfachte und kontrollierte Abgabe des Füllgutes aus dem Behälterinneren ermöglicht..The invention is therefore based on the object to show an advantageous producible container for packaging of products that allows a simplified and controlled delivery of the contents of the container interior.
Die Lösung der Aufgabe erfolgt erfindungsgemäß durch einen Behälter mit den Merkmalen des Patentanspruches 1. Vorteilhafte Weiterbildungen und Ausgestaltungen der Erfindung sind in den auf die jeweiligen Hauptansprüche rückbezogenen Unteransprüchen angegeben.The object is achieved by a container with the features of
Bei einem Behälter zum Verpacken von Füllgütern, insbesondere Sack oder Beutel aus Kunststofffolie gemäß dem Oberbegriff des Anspruchs 1, mit zumindest einer das Füllgut umhüllenden Behälterwandung, welche zumindest eine Vorder- und Rückwand aufweist, wobei im Bodenbereich des Behälters zwischen Vorder- und Rückwand zwei innere Lagen einer Einfaltung eines zumindest einseitig an einer seiner Längsseiten nach innen eingefalteten Bahnabschnittes der Kunststofffolie angeordnet sind, wobei mittels der Einfaltung ein die Vorder- und Rückwand verbindender Standboden ausgebildet ist, und mit einem im Kopfbereich des Behälters ausgebildeten Mehrlagenbereich aus mehr als zwei aufeinanderliegenden Lagen, wobei der Mehrlagenbereich mindestens eine als Durchbruch ausgebildete Tragehilfe aufweist, welcher Durchbruch die Lagen im Kopfbereich wenigstens teilweise durchdringt, und mit vorbestimmte Lagen in den Seitenbereichen und im Kopfbereich des Behälters verbindenden Nähten, wobei im Kopfbereich des Behälters vorbestimmte Lagen über wenigstens einen Abschnitt mittels zumindest eines den Behälter verschließenden Verschlussmittels miteinander verbunden sind, ist nach der Erfindung vorgesehen, dass unterhalb des Verschlussmittels ein Abschnitt des Kopfbereiches, welcher benachbart zu dem mit der Tragehilfe ausgerüsteten Bereich angeordnet ist, einen Füllgut-Entnahmebereich aufweist, und dass wenigstens ein Abschnitt einer Verbindungsnaht zumindest bereichsweise um den Durchbruch herum verlaufend angeordnet ist, derart, dass im Kopfbereich ein Mehrlagenbereich vom Füllraum des Behälters abdichtend abgetrennt ist. Mit Hilfe eines Behälters, der einen derartig erfindungsgemäß ausgebildeten Entnahmebereich in seinem Kopfbereich aufweist, lässt sich auch bei geöffnetem Entnahmebereich stets eine optimale Handhabung über die Tragehilfe gewährleisten. Ein unbeabsichtigter Austritt des Füllgutes aus dem Behälterinneren ist durch den sich bis in den Kopfbereich erstreckenden Entnahmebereich auf vorteilhafte Weise vermieden. Um den Austritt des Füllgutes während des Transportes zu vermeiden, sind vorbestimmte Lagen im Füllguter-Entnahmebereich über ein Verschlussmittel derart miteinander verbunden, dass der Behälter abdichtend verschlossen ist und damit das Füllgut zurückgehalten wird. Der Füllgut-Entnahmebereich ist bevorzugt in einem Abschnitt des Kopfbereiches ausgebildet, welcher unmittelbar benachbart zu dem Teil des Kopfbereiches angeordnet ist, der mit der Tragehilfe ausgerüstet ist. Die Tragehilfe und der Entnahmebereich können bei einem auf seinem Standboden aufstehenden Behälter etwa in gleicher Höhe im Kopfbereich des Behälters ausgebildet sein. Um darüber hinaus den Austritt des Füllgutes über den als Tragehilfe dienenden Durchbruch im Kopfbereich zu vermeiden, ist wenigstens ein Abschnitt einer Verbindungsnaht vorgesehen. Dieser Verbindungsnahtabschnitt trennt den Mehrlagenbereich um den Durchbruch in dem insbesondere aus inneren und äußeren Lagen gebildeten Kopfbereich abdichtend vom Füllraum des Behälters ab. Mittels der Verbindungsnaht werden sämtliche Lagen im Kopfbereich stoffschlüssig miteinander verbunden. Die Verbindungsnaht kann als eine vollständig um den Durchbruch herumgelegte Schweißnaht ausgebildet sein.In a container for packaging of products, in particular sack or bag made of plastic film according to the preamble of
Nach einer vorteilhaften Weiterbildung der Erfindung ist vorgesehen, dass das wenigstens eine Verschlussmittel entlang der oberen Randbereiche der miteinander zu verbindenden Lagen im Kopfbereich angeordnet ist. Damit ist eine vorteilhafte Ausgestaltung des Entnahmebereiches erreicht, der für das Füllgut mit Vorteil bis etwa zu den oberen Randkanten der den Entnahmebereich ausbildenden Lagen im Kopfbereich zugänglich ist. Es ist ebenso denkbar, das Verschlussmittel auf variierenden Höhen des Kopfbereiches des Behälters anzuordnen.According to an advantageous embodiment of the invention it is provided that the at least one closure means along the upper edge regions of the layers to be joined together is arranged in the head region. In order for an advantageous embodiment of the removal region is reached, which is accessible to the contents with advantage up to about the upper marginal edges of the removal region forming layers in the head area. It is also conceivable to arrange the closure means at varying heights of the head region of the container.
Das Verschlussmittel kann dabei ein im Füllgut-Entnahmebereich angeordneter Wiederverschluss sein. Die Verwendung eines Wiederverschlusses, wie zum Beispiel einem Slider oder Zipper, hat den Vorteil, dass sich der Behälter insbesondere nach nur einer Teilentnahme des im Verpackungsbehälter aufgenommenen Füllgutes wiederverschließen lässt. Durch die abdichtende Wirkung des Wiederverschlusses können nachteilige Auswirkungen auf das Füllgut, beispielsweise durch Umwelteinflüsse, wie zum Beispiel Schmutz oder Feuchtigkeit, so gering wie möglich gehalten werden. Der Wiederverschluss weist insbesondere zwei miteinander korrespondierende Verschlussteile auf, welche insbesondere an einander zugewandten Flächen der Lagen im Füllgut-Entnahmebereich angeordnet sind. Zu diesem Zweck kann beispielsweise eine dem Behälter im Kopfbereich abdichtend verschließende Verschlussnaht verwendet werden. Der Wiederverschluss kann sowohl parallel zu den häufig waagerecht verlaufenden, oberen Randkanten der den mehrlagigen Kopfbereich ausbildenden Lagen als auch unter einem vorbestimmten Winkel zu den Rändern des Kopfbereiches des Behälters verlaufend angeordnet sein.The closure means can be a reclosure arranged in the product removal area. The use of a reclosure, such as a slider or zipper, has the advantage that the container can be reclosed, in particular after only a partial removal of the contents taken up in the packaging container. Due to the sealing effect of the reclosure disadvantageous effects on the contents, for example, by environmental influences, such as dirt or moisture, are kept as low as possible. The reclosure has, in particular, two closure parts which correspond to one another and which are arranged, in particular, on mutually facing surfaces of the layers in the filling material removal region. For this purpose, for example, a sealing seam sealing the container in the head area can be used. The reclosure may be disposed both parallel to the generally horizontally extending upper marginal edges of the layers forming the multilayered head region and at a predetermined angle to the edges of the head region of the container.
Alternativ kann zu einem als Wiederverschluss ausgebildeten Verschlussmittel eine vorbestimmte Lagen im Kopfbereich miteinander verbindende Verschlussnaht als Verschlussmittel vorgesehen sein. Durch die den Füllgut-Entnahmebereich verschließende, insbesondere entlang der oberen Randkanten der Lagen verlaufende Verschlussnaht ist ein relativ einfacher und sicherer Verschluss des Behälters erreicht. Speziell bei Behältern zum Verpacken von Füllgütern bzw. Verpackungsbehältern, die nach ihrem erstmaligen Öffnen stets vollständig entleert werden, ist eine vereinfachte Ausgestaltung von Vorteil. Zum Öffnen des Füllgut-Entnahmebereiches wird der Behälter im Entnahmebereich lediglich aufgetrennt bzw. aufgeschnitten. Die Verschlussnaht ist bevorzugt eine auf Stoffschluss basierende Schweißnaht, worüber sich eine vorteilhaft feste Verbindung zwischen den untereinander zu verbindenden Lagen gewährleisten lässt.Alternatively, a closure layer which connects to one another in the head region can be provided as closure means for a closure means designed as a reclosure. By the filling material removal region occluding, in particular along the upper marginal edges of the layers extending closure seam a relatively simple and secure closure of the container is achieved. Especially with containers for packaging of products or packaging containers that are always completely emptied after their first opening, a simplified design of advantage. To open the product removal area, the container is merely separated or cut in the removal area. The closure seam is preferably a fabric-based weld, which can be an advantageous solid connection between the layers to be joined together ensure.
Der den Füllgut-Entnahmebereich im Kopfbereich verschließenden Verschlussnaht ist insbesondere eine Flächenbereiche bestimmter Lagen schwächende Solltrennlinie zugeordnet. Mit Hilfe einer erfindungsgemäßen Solltrennlinie ist ein vereinfachtes Öffnen des Verpackungsbehälters im Füllgut-Entnahmebereich und damit ein vereinfachter Zugang zum Füllgut im Füllraum des Behälters bewirkt. Auf den Einsatz von separaten Hilfsmitteln zum Öffnen der Verpackung kann mit Vorteil verzichtet werden. Die Solltrennlinie erstreckt sich bevorzugt über die gesamte Breite des Füllgut-Entnahmebereiches im Kopfbereich in einem geringen Abstand unterhalb und insbesondere parallel zu der den Entnahmebereich verschließenden Verschlussnaht.The closure seam closing off the filling material removal region in the head region is, in particular, a surface region of specific layers assigned debilitating debit line. With the aid of a predetermined separating line according to the invention, a simplified opening of the packaging container in the filling material removal region and thus a simplified access to the filling material in the filling space of the container is effected. On the use of separate tools for opening the package can be dispensed with advantage. The desired cutting line preferably extends over the entire width of the filling material removal region in the head region at a small distance below and in particular parallel to the sealing seam closing the removal region.
Erfindungsgemäß weist der mehr als zwei Lagen aufweisende Mehrlagenbereich im Kopfbereich des Behälters zwischen Vorder- und Rückwand mindestens eine innere Lage einer Einfaltung des entlang seiner Längsseiten nach innen eingefalteten Bahnabschnittes auf. Die Ausbildung des Kopfbereiches mit mindestens einer zwischen der Vorder- und Rückwand des Behälters angeordneten inneren Lage, welche als Einfaltung eines entlang seiner Längsseiten nach innen eingefalteten Bahnabschnittes ausgebildet ist, stellt eine vorteilhaft einfache Möglichkeit zur mehrlagigen Ausbildung des Kopfbereiches dar. Durch den mehr als zwei Lagen aufweisenden Mehrlagenbereich im Kopfbereich erhält der Behälter eine verbesserte Festigkeit, so dass über die im Kopfbereich als Durchbruch ausgebildete Tragehilfe problemlos Tragkräfte auf diesem Mehrlagenbereich einwirken können. Der mehr als zwei Lagen aufweisende Mehrlagenbereich kann sich dabei insbesondere über die gesamte Breite des Behälters erstrecken. Somit weist neben dem mit dem Durchbruch ausgerüsteten Teil des Kopfbereiches auch der als Füllgut-Entnahmebereich ausgebildete Teil des Kopfbereiches insbesondere wenigstens eine als Einfaltung umgelegte innere Lage zwischen einer der Innenseiten der Vorder- oder Rückwand auf. Bevorzugt werden Teile der Vorder- und Rückwand symmetrisch in Form einer Einfaltung nach Innen umgeschlagen, so dass zwei zwischen Vorder-und Rückwand angeordnete innere Lagen ausgebildet sind. In diesem Zusammenhang ist es denkbar, die unterschiedlichen Mehrlagenbereiche im Kopf- und im Bodenbereich des Behälters asymmetrisch auszubilden, so dass Kopf- und Bodenbereich unterschiedliche Breiten aufweisen.According to the invention, the multilayer region having more than two layers in the head region of the container between the front and rear wall has at least one inner layer of a folding of the web section folded inwards along its longitudinal sides. The formation of the head region with at least one arranged between the front and rear wall of the container inner layer, which is designed as a folding along its longitudinal sides inwardly folded web portion, provides an advantageously simple way to multilayer training of the head area. By the more than two Layers having multi-layer area in the head area, the container receives improved strength, so that can easily act on the trained in the head area as a breakthrough carrying support load on this multi-layer area. The multi-layer region having more than two layers may in particular extend over the entire width of the container. Thus, in addition to the part of the head region equipped with the aperture, the part of the head region formed as a product-removal region also has, in particular, at least one inner layer folded over as fold between one of the inner sides of the front or rear wall. Preferably, parts of the front and rear walls are folded symmetrically in the form of a folding inwards, so that two arranged between the front and rear wall inner layers are formed. In this connection, it is conceivable to design the different multi-layer areas asymmetrically in the top and bottom regions of the container so that the top and bottom regions have different widths.
Nach der Erfindung ist vorgesehen, dass jede nach innen vorstehende Lage der Einfaltung im Kopfbereich mittels wenigstens einer Verbindungsnaht an der Innenseite einer jeweils zugeordneten Vorder- oder Rückwand festgelegt ist. Speziell bei einem mehrlagig ausgebildeten Füllgut-Entnahmebereich ist das Fixieren der nach innen vorstehenden Einfaltung notwendig, um einen ungestörten Austritt des Füllgutes aus dem Füllraum über den Entnahmebereich vorteilhaft gewährleisten zu können. Gleichzeitig können insbesondere die unteren Enden der inneren Lagen in dem zum Entnahmebereich benachbarten Teil des Kopfbereiches zusätzlich neben der Fixierung an einer entsprechenden Innenseite auch untereinander verbunden sein, wodurch dieser Teil des Kopfbereiches dann automatisch vom Füllraum des Behälters abgetrennt ist.According to the invention it is provided that each inwardly projecting position of the folding in the head area is fixed by means of at least one connecting seam on the inside of a respective associated front or rear wall. Especially with a multi-layered product-removal region, the fixing of the inwardly protruding folding is necessary in order to ensure an undisturbed discharge of the filling material from the filling space over the removal area advantageous. At the same time, in particular, the lower ends of the inner layers in the portion adjacent to the removal region of the head area in addition to the fixation on a corresponding inner side also be interconnected, whereby this part of the head area is then automatically separated from the filling space of the container.
Die den Durchbruch im Kopfbereich vom Füllraum des Behälters abdichtende Verbindungsnaht ist aus mehreren, unter vorbestimmten Winkeln zueinander verlaufenden Nahtabschnitten ausgebildet und kann darüber hinaus Teil der den Verpackungsbehälter im Kopfbereich verschließenden Verschlussnaht sein. Darüber ist mit Vorteil eine separate und gegebenenfalls aufwendige Ausgestaltung von Verschluss- und Verbindungsnähten auf vorteilhafte Weise vermieden, wodurch die Herstellung eines derartig erfindungsgemäßen Behälters vereinfacht ist. Die Nahtabschnitte der Verbindungsnaht und der Verschlussnaht können geradlinige und/oder kurvenförmige Teilstücke aufweisen.The seam which seals the opening in the head region from the filling space of the container is formed from a plurality of seam sections extending at predetermined angles relative to one another and, moreover, can be part of the sealing seam closing the packaging container in the head region. In addition, advantageously, a separate and possibly complex design of closure and connection seams in an advantageous manner avoided, whereby the production of such a container according to the invention is simplified. The seam sections of the connecting seam and the closing seam can have rectilinear and / or curved sections.
Die Verbindungsnaht kann zu diesem Zweck einen auf Höhe und parallel zu den nach innen eingeschlagenen Enden bestimmter Lagen verlaufenden Nahtabschnitt aufweisen, an dem zumindest einseitig ein weiterer, sich unter einem vorbestimmten Winkel in Richtung des oberen Randbereiches der Lagen des Kopfbereiches erstreckender, anschließender Nahtabschnitt angeordnet ist. Mit Hilfe einer solch erfindungsgemäßen Ausgestaltung ist eine einfache Möglichkeit geschaffen, den Durchbruch im Kopfbereich sowie die Abtrennung des Füllgut-Entnahmebereiches zu gewährleisten. Dabei werden die nach innen eingefalteten Lagen im Kopfbereich an den Innenseiten von Vorder- und Rückwand vorteilhaft durchgängig fixiert. Die Verbindungsnaht weist insbesondere einen parallel zum oberen Verpackungsende verlaufenden Abschnitt auf, an dem sich weitere Nahtabschnitte anschließen, die sich unter einen Winkel von 45 Grad bis 90 Grad in Richtung der oberen Faltkante erstrecken. Dieser zum Teil in Verpackungslängsrichtung verlaufende Nahtabschnitt kann dann direkt in einen entlang der oberen Ränder ausgebildeten, den Behälter im Entnahmebereich verschließenden Verschlussnahtabschnitt übergehen. An Stelle einer sich aus geraden Nahtabschnitten zusammensetzenden Verbindungsnaht ist es ebenso denkbar, eine Verbindungsnaht mit halbkreis-oder auch kurvenförmig verlaufenden Nahtabschnitten einzusetzen.For this purpose, the connecting seam can have a seam section extending at the height and parallel to the ends of certain layers which are turned inwards, on which a further, subsequent seam section extending at a predetermined angle in the direction of the upper edge region of the layers of the head region is arranged on at least one side , With the help of such a design according to the invention a simple way is created to ensure the breakthrough in the head area and the separation of the product-removal area. In the process, the layers folded inwards in the head area on the insides of the front and rear walls are advantageously fixed throughout. In particular, the seam has a portion parallel to the upper end of the package, followed by further seam portions which extend at an angle of 45 degrees to 90 degrees toward the upper fold. This partially running in the packaging longitudinal direction seam portion can then pass directly into a formed along the upper edges, the container in the removal region occlusive sealing seam section. Instead of a connecting seam composed of straight seam sections, it is also conceivable to use a connecting seam with semicircular or even curved seam sections.
Nachfolgend ist ein Verfahren zum Bearbeiten eines Bahnmaterials für Verpackungsbehälter aus Kunststofffolie, insbesondere für Folienbeutel mit Standboden beschrieben, bei dem mindestens eine Flachbahn zu einer Faltbahn mit auf beiden Seiten entlang der Längsseiten aufeinanderliegenden äußeren und inneren Lagen gefaltet wird, wobei zumindest an einer der Längsseiten der zu erzeugenden Faltbahn durch das Einfalten der Faltbahnlängsseite nach innen der spätere Standboden erzeugt wird, und wobei an der gegenüberliegenden, den späteren mehrlagigen Kopfbereich ausbildenden Längsseite der Faltbahn die Längsseiten der Flachbahn die Enden bestimmter untereinander unverbundener Lagen ausbildend aufeinandergelegt werden, zwischen vorbestimmten Flächenabschnitten wenigstens abschnittsweise untereinander unverbundenen Lagen ein Wiederverschluss eingelegt wird, dann vorbestimmte Flächenbereiche der aufeinanderliegenden Lagen der Faltbahn in Längsrichtung der Faltbahn mittels wenigstens einem Abschnitt einer Verschlussnaht mit dem Wiederverschluss und untereinander verbunden werden und ein Strang von zumindest Schlauchabschnitten mit jeweils einem vom Inneren des Schlauchabschnittes abgetrennten Mehrlagenbereich erzeugt wird, im abgetrennten Mehrlagenbereich jedes Schlauchabschnittes des Stranges wenigstens eine bestimmte Anzahl der aufeinanderliegenden Lagen zur Ausbildung von zumindest eines Eingriffes durchtrennt werden, und anschließend der Strang zu einem für die Weiterverarbeitung dienenden Wickel aufgerollt wird.The following describes a method for processing a web material for packaging containers made of plastic film, in particular for film bags with floor, in which at least one flat web is folded into a folding web with superimposed on both sides along the longitudinal sides outer and inner layers, wherein at least on one of the longitudinal sides of folded sheet to be produced by the folding of the fold sheet longitudinal inside of the later floor is produced, and wherein at the opposite, the later multi-layer head area forming longitudinal side of the fold sheet the long sides of the flat sheet the ends of certain mutually unconnected layers are formed superimposed between predetermined surface sections at least partially with each other unconnected layers a reclosure is inserted, then predetermined surface areas of the superimposed layers of the folding path in the longitudinal direction of the folding path by means of least in a section of a closure seam with the reclosure and connected to each other and a strand of at least hose sections, each with a separated from the interior of the hose section multi-layer area is generated in the separated multi-layer area of each hose section of the strand at least a certain number of superposed layers to form at least one intervention are severed, and then the strand is rolled up to a serving for further processing winding.
Mit Hilfe eines solchen Bearbeitungsverfahrens für ein zur Herstellung eines Verpackungsbehälters verwendeten Bahnmaterials aus Kunststofffolie lässt sich auf vorteilhaft einfache Weise ein wiederaufrollbarer Beutelstrang mit bereits vorkonfektionierten Standbeutelverpackungen herstellen. Das Herstellen einer stets aufwendig weiterzuverarbeitenden Einzelverpackung ist somit auf vorteilhafte Weise vermieden. Zudem ist durch die in Bahnlängsrichtung ausgebildete Breite des vorkonfektionierten Verpackungsbehälters, wobei der spätere Standboden mittels einer eingefalteten Längsseite und der Kopfbereich mittels einer Längsseite mit aufeinandergelegten, äußeren und inneren Lagen des Beutelstranges ausgebildet sind, eine relativ einfache Änderung der Verpackungsbreite möglich. Dazu sind vornehmlich die Abstände zwischen den Querverbindungsnähten und die Positionierung der Tragehilfe und des Entnahmebereiches in der den Kopfbereich ausbildenden Längsseite anzupassen. Des Weiteren ist durch die Verlegung des zu erzeugenden Bodenbereiches und des zu erzeugenden Kopfbereiches in die Seitenbereiche des Bahnmaterials eine vorteilhaft einfache Befüllung in Längsrichtung des Beutelstranges, also von der eigentlichen Seite eines erst kurz vor oder nach dem Befüllen und dem Verschließen vereinzelten Verpackungsbehälters aus, auf vorteilhafte Weise möglich. Im beanspruchten Verfahren kann eine flache Materialbahn aus einer durchgängig schweißbaren Kunststofffolie bzw. aus einer einseitig schweißbaren Kunststoffverbundfolie zum Einsatz kommen. Deren Längsränder werden in einem Mehrlagenbereich entlang einer der Längsseiten der erzeugten Faltbahn derart aufeinandergelegt, dass beispielsweise die Randkanten der Flachbahn die Enden von äußeren oder inneren aufeinanderliegenden Lagen an der als späterer Kopfbereich des Behälters dienenden Längsseite der Faltbahn ausbilden. Der Standboden ist dabei hingegen mittels einer Einfaltung eines durchgängigen Flächenstückes ausgebildet, so dass die zwei inneren Lagen der Einfaltung stets direkt mit den die Vorder- und Rückwand eines zu konfektionierenden Verpackungsbehälters bildenden äußeren Lagen der Faltbahn verbunden sind. Nach dem Falten zu einer Faltbahn wird in dem den Entnahmebereich ausbildenden Teil des Kopfbereiches über einen vorbestimmten Abschnitt, insbesondere zwischen einander zugewandten Flächenabschnitten untereinander unverbundener Lagen, ein Wiederverschluss eingelegt bzw. eingeschoben, mittels dem der Entnahmebereich an den oberen Randkanten vorteilhaft verschlossen wird. Die Verbindung der oberen Randbereiche der aufeinanderliegenden unverbundenen Lagen untereinander, wodurch wenigstens Teile der Faltbahn zu einem Strang mit Schlauchbahnabschnitten oder einem komplett geschlossenen Schlauch ausgebildet und auch der Wiederverschluss mit bestimmten Lagen verbunden werden, erfolgt mit Hilfe wenigstens eines Abschnittes einer Verschlussnaht. Dabei wird bevorzugt mit Hilfe der Verschlussnaht gleichzeitig wenigstens ein Mehrlagenbereich im Kopfbereich vom Inneren des Schlauchbahnabschnittes abgetrennt. Im abgetrennten Mehrlagenbereich kann nunmehr über das Durchtrennen von wenigstens zwei der insbesondere vier Lagen im Kopfbereich ein als Tragehilfe dienender Eingriff erzeugt werden.With the aid of such a processing method for a sheet material made of plastic film used for the production of a packaging container can be produced in an advantageously simple manner a wiederaufrollbarer bag strand with pre-assembled bag packaging. The production of an always consuming weiterzuverarbeitenden single packaging is thus avoided in an advantageous manner. In addition, a relatively simple change of the packaging width is possible by the trained in the longitudinal direction of the web width of the prefabricated packaging container, the later floor by means of a folded longitudinal side and the head area are formed by a longitudinal side with superimposed, outer and inner layers of the bag string. For this purpose, it is primarily the distances between the cross-linking seams and the positioning of the carrying aid and the removal area in the longitudinal area forming the head area that have to be adapted. Furthermore, by laying the floor area to be produced and the head area to be created into the side areas of the web material, an advantageously simple filling in the longitudinal direction of the bag strand, ie from the actual side of a packaging container separated just before or after filling and closing off, on advantageous way possible. In the claimed method, a flat web of material from a continuously weldable plastic film or from a one-sided weldable plastic composite film can be used. Their longitudinal edges are superimposed in a multi-layer area along one of the longitudinal sides of the folded web produced in such a way that, for example, the edges of the flat web form the ends of outer or inner superimposed layers on the longitudinal side of the folding web serving as the later head region of the container. The floor is, however, formed by means of a folding of a continuous surface piece, so that the two inner layers of the folding are always connected directly to the front and rear wall of a packaging container to be assembled forming outer layers of the folding path. After folding to one Folded web is inserted or inserted in the part of the head region forming the removal region over a predetermined section, in particular between mutually facing surface sections of unconnected layers, by means of which the removal region at the upper marginal edges is advantageously closed. The connection of the upper edge regions of the superimposed unconnected layers to one another, whereby at least parts of the folding web are formed into a strand with tubular web sections or a completely closed tube and also the reclosure are connected to certain layers, takes place with the aid of at least one section of a closing seam. At the same time, at least one multi-layer area in the head region is preferably separated from the interior of the tubular web section by means of the closing seam. In the separated multi-layer area, it is now possible to generate an intervention serving as a carrying aid by severing at least two of the in particular four layers in the head area.
Alternativ besteht die Möglichkeit, in einem Verfahren anstelle einer Flachbahn einen Schlauch bzw. eine Schlauchbahn zu verwenden. Nach dem alternativ ausgestalteten Verfahren zum Bearbeiten eines Bahnmaterials wird mindestens eine Schlauchbahn zu einem Plattschlauch mit auf beiden Seiten entlang der Längsseiten aufeinanderliegenden äußeren und inneren Lagen gefaltet, wobei zumindest an einer der Längsseiten des zu erzeugenden Plattschlauches durch ein Falten der Schlauchbahnlängsseite nach innen der spätere Standboden erzeugt wird, und entlang der gegenüberliegenden, den späteren mehrlagigen Kopfbereich ausbildenden Längsseite des Plattschlauches mit mehr als zwei aufeinanderliegenden Lagen vorbestimmte Lagen an wenigstens einer die Lagen untereinander verbindenden Faltkante zumindest teilweise aufgetrennt werden und eine Materialbahn mit Faltbahnabschnitten erzeugt wird. Alle weiteren, sich dem Erzeugen der Materialbahn mit Faltbahnabschnitten anschließenden Bearbeitungsschritte sind zu dem bereits voran beschriebenen Bearbeitungsverfahren identisch.Alternatively, it is possible to use a hose or a tubular web instead of a flat web in a process. According to the alternatively configured method for processing a web material at least one tubular web is folded into a flat tube with superimposed on both sides along the longitudinal sides outer and inner layers, wherein at least on one of the longitudinal sides of the flat tube to be produced by folding the tubular web longitudinal side inward of the later floor is generated, and along the opposite, the later multi-layer head region forming longitudinal side of the flat tube with more than two superimposed layers predetermined layers at least one of the layers interconnected folding edge are at least partially separated and a web is produced with Faltbahnabschnitten. All other, subsequent to the production of the web with folding web sections subsequent processing steps are identical to the processing method already described above.
Mit Hilfe dieses Verfahrens kann auf vorteilhafte Weise aus einem beispielsweise mittels Blasextrusion hergestellten Schlauch ein Strang mit vorkonfektionierten Schlauchbahnabschnitten erzeugt werden. Der Beutelstrang lässt sich relativ einfach zu einer Rolle aufrollen, wodurch ein derartig erfindungsgemäß hergestellter Strang optimal für eine Weiterverarbeitung, insbesondere dem Befüllen mit Füllgut und einem gegebenenfalls zuvor erfolgten und/oder sich daran anschließendem Erzeugen und Verschließen einzelner Beutelabschnitte, in einer Befüllanlage geeignet ist. Durch insbesondere das Aufschneiden des als Plattschlauch vorliegenden Bahnmaterials, bevorzugt im Bereich einer Faltkante, kann eine Materialbahn mit Schlauch- und Faltbahnabschnitten oder eine in einem Bereich vollständig in Längsrichtung geöffnete Faltbahn erzeugt werden. Das Auftrennen von mindestens einer Faltkante kann insbesondere vor dem Falten der den späteren Kopfbereich ausbildenden Längsseite der Materialbahn erfolgen oder erst nachdem am Plattschlauch die entsprechende Längsseite zu einem Bereich mit mehr als zwei Lagen gefaltet wurde. Zwischen die gegebenenfalls nur teilweise aufgeschnittenen Faltbahnabschnitte der Materialbahn werden die Wiederverschlüsse in vorgegebenen Abständen zueinander eingeführt. Wie voran beschrieben, schließen sich weitere den Strang ausbildende Arbeitsprozesse an.With the aid of this method, a strand with prefabricated tubular web sections can be produced in an advantageous manner from a hose produced, for example, by means of blown extrusion. The bag string can be rolled up relatively easily into a roll, as a result of which a strand produced in accordance with the invention is optimally suitable for further processing, in particular filling with filling material and optionally before and / or subsequent production and closing of individual bag sections in a filling plant. In particular, the slicing of the sheet material present as a flat tube, preferably in the region of a folding edge, can produce a material web with tubular and folding web sections or a folded web completely open in a region in the longitudinal direction. The separation of at least one folding edge can be effected in particular before folding the longitudinal side of the material web forming the later head region, or only after the corresponding longitudinal side has been folded on the flat tube into an area with more than two layers. Between the possibly only partially cut Faltbahnabschnitte the web, the reclosures are introduced at predetermined intervals to each other. As described above, further work processes forming the strand follow.
Des Weiteren ist vorgesehen, dass zur Ausbildung des mehr als zwei Lagen aufweisenden Kopfbereiches Flächenbereiche der Flachbahn oder des Plattschlauches nach innen eingefaltet werden. Das Erzeugen von Einfaltungen mit jeweils zwei Lagen entlang beider Längsseiten der Flachbahn oder des Plattschlauches, so dass die äußeren Lagen sich über die gesamte Breite der jeweiligen Materialbahn erstrecken, stellt eine vorteilhafte Möglichkeit zur Bildung der den späteren Kopf- und Bodenbereich ausbildenden Längsseiten dar. Dabei können Einfaltungen mit unterschiedlicher Einfalttiefe erzeugt werden, so dass die mehrlagig ausgebildeten Längsseiten der Materialbahn unterschiedliche Breiten aufweisen.Furthermore, it is provided that surface areas of the flat track or the flat tube are folded inwards to form the head area having more than two layers. The generation of folds with two layers along both longitudinal sides of the flat web or the flat hose, so that the outer layers extend over the entire width of the respective material web, represents an advantageous possibility for forming the later head and bottom area forming longitudinal sides folds can be produced with different Einfalttiefe so that the multi-layered longitudinal sides of the web have different widths.
Im Zusammenhang mit einer bei dem Verfahren verwendeten Flachbahn, welche zu einer Faltbahn gefaltet wird, wobei an der den späteren Kopfbereich ausbildenden Längsseite der Faltbahn bestimmte Flächenbereiche zusammen außenseitig aufeinanderliegend umgefaltet werden, ist insbesondere vorzusehen, dass entlang der den Kopfbereich ausbildenden Längsseite der Faltbahn wenigstens eine bestimmte Lagen untereinander verbindende Faltkante zumindest abschnittsweise geschnitten wird. Das Schneiden ist notwendig, um zumindest einen Abschnitt der Faltbahn zu öffnen, damit der Wiederverschluss, welcher den Füllgut-Entnahmebereich eines zu erzeugenden Behälters nach oben begrenzt und zudem abdichtend verschließt, vorteilhaft einfach zwischen die dafür vorgesehenen Lagen eingesetzt werden kann.In connection with a flat web used in the method, which is folded into a folding web, wherein at the later head forming longitudinal side of the folding sheet certain surface areas are folded together on the outside on each other, is to provide in particular that along the head region forming the longitudinal side of the fold sheet at least one certain layers interconnected folding edge is cut at least in sections. The cutting is necessary to open at least a portion of the folding path, so that the reclosure, which limits the filling material removal region of a container to be produced upwards and sealingly closes, can be advantageously used simply between the layers provided for this purpose.
Optional besteht die Möglichkeit, an einem Strang aus zumindest Schlauchbahnabschnitten in vorbestimmten Abständen quer zur Längsrichtung des Stranges verlaufend mittels Querverbindungsnähten jeweils eine der Seitennähte eines zu erzeugenden Verpackungsbehälters auszubilden, wodurch ein beutelförmige Schlauchabschnitte aufweisender Beutelstrang erzeugt wird. Das Herstellen des Beutelstranges kann somit noch vor dem Aufrollen des Stranges zu einem Wickel erfolgen, wobei die den späteren Verpackungsbehälter begrenzende Seitennaht einen für den Befüllvorgang dienenden Füllboden ausbildet. Der Beutelstrang ist somit in Längsrichtung betrachtet in festen bzw. vorgegebenen Abständen zueinander abdichtend verschlossen. Es ist selbstverständlich auch denkbar, die Querverbindungsnähte in der Abfüllanlage zu erzeugen, wobei eine erste, untere Querverbindungsnaht kurz vor dem Befüllvorgang hergestellt wird. Die andere in Befüllrichtung des üblicherweise von der Seite aus zu befüllenden Behälters angeordnete obere Querverbindungsnaht wird nach dem Befüllen erzeugt und damit der Behälter abdichtend verschlossen. Die Querverbindungsnähte werden insbesondere mittels auf Stoffschluss basierenden Schweißnähten hergestellt.Optionally, it is possible to form one of the side seams of a packaging container to be produced on a strand of at least tubular web sections running at predetermined distances transversely to the longitudinal direction of the strand by means of cross seams, thereby producing a bag string having a bag-shaped tubular section. The production of the bag string can thus be done before winding the strand into a winding, wherein the side seam closing the later packaging container forms a filling bottom serving for the filling process. The bag string is thus sealingly closed in the longitudinal direction in fixed or predetermined distances from each other. It is of course also conceivable to produce the cross-connection seams in the filling plant, wherein a first, lower cross-connection seam is produced shortly before the filling process. The other in the filling direction of the usually to be filled from the side of the container to be filled upper cross-seam is generated after filling and thus sealed the container sealing. The cross-connection seams are produced in particular by means of weld-based welds.
Es ist darüber hinaus möglich, dass der Beutelstrang unmittelbar benachbart zu und entlang einer jeweiligen Querverbindungsnaht geschwächt wird. Damit lässt sich nach dem Befüllen und dem nachfolgenden Verschließen eines noch mit dem Beutelstrang verbundenen Beutelabschnittes durch Abreißen des Beutelabschnittes vom Beutelstrang ein fertiger Verpackungsbehälter ausbilden. Damit kann auf einen quer zur Längsrichtung des Bahnmaterials durchzuführenden Trennschnitt mit Vorteil verzichtet werden. Die Schwächung des Beutelstranges erfolgt unmittelbar benachbart zu einer Querschweißnaht und kann beispielsweise mit Hilfe dem Prozess des Perforierens vorgenommen werden, wobei die zu erzeugende Perforationslinie dann etwa rechtwinklig zu den Längsseiten des Beutelstranges verläuft.It is also possible that the bag string is weakened immediately adjacent to and along a respective transverse seam. This makes it possible to form a finished packaging container after the filling and the subsequent closing of a bag section still connected to the bag section by tearing off the bag section of the bag string. This can be dispensed with a transverse to the longitudinal direction of the web material to be performed separating cut with advantage. The weakening of the bag string takes place immediately adjacent to a transverse weld seam and can be carried out for example by means of the process of perforating, wherein the perforation line to be produced then runs approximately at right angles to the longitudinal sides of the bag string.
Nach einer Weiterbildung ist vorgesehen, dass vor oder nach dem Erzeugen der Querverbindungsnaht wenigstens eine schräg zu einer einen Bodenbereich ausbildenden mehrlagigen Längsseite des Beutel-stranges verlaufende Eckenabschweißung erzeugt wird. Die Eckenabschweißung erfolgt insbesondere an der noch flach aufliegenden Faltbahn, so dass mit Hilfe entsprechender Siegelwerkzeuge die Eckenabschweißungen zwischen den aufeinanderliegenden Innenseiten der vier Lagen im Bodenbereich gleichzeitig umgesetzt werden können. Bei der Verwendung einer beidseitig schweißbar ausgebildeten Kunststofffolie wird bevorzugt zwischen die Außenseiten der inneren Lagen ein Plattenelement eingelegt, damit der Stoffschluss der Außenseiten untereinander der im Bodenbereich verlaufenden Einfaltung verhindert ist.According to a development, it is provided that at least one obliquely to one before or after generating the cross-connecting seam Floor area forming multilayer longitudinal side of the bag-strand extending corner weld is generated. The Eckenabschweißung takes place in particular on the still flat lying folding track, so that with the help of appropriate sealing tools the Eckenabschweißungen between the superposed inner sides of the four layers in the bottom area can be implemented simultaneously. When using a plastic film which is designed to be weldable on both sides, a plate element is preferably inserted between the outer sides of the inner layers, so that the material connection of the outer sides with one another is prevented from occurring in the bottom region.
Der vom Inneren eines jeweiligen Schlauchbahnabschnittes abgetrennte Mehrlagenbereich wird bevorzugt zur Ausrüstung mit einem Durchbruch gestanzt. Mit dem Prozess des Stanzens ist eine vorteilhaft einfache Möglichkeit zur Ausbildung einer als Durchbruch ausgebildeten Tragehilfe im entsprechend vom Behälterinneren abgetrennten Mehrlagenbereich des Beutelstranges bewirkt. Mittels der Stanzung können dabei Abschnitte der Lagen vollständig entfernt oder auch nur teilweise durchtrennt werden, so dass entsprechende Bereiche der aufeinanderliegenden Lagen umgefaltet werden können und damit eine Öffnung zum Durchgreifen freigegeben wird.The multi-layer area separated from the interior of a respective tubular section is preferably punched for finishing with an opening. With the process of punching an advantageously simple way to form a trained as a breakthrough carrying aid in accordance with the container interior separated multi-layer area of the bag string is effected. By means of the punching sections of the layers can be completely removed or even partially severed, so that corresponding areas of the superimposed layers can be folded over and thus an opening is released for reaching through.
Mögliche Ausführungsbeispiele der Erfindung, aus denen sich weitere erfinderische Merkmale ergeben, sind in der Zeichnung dargestellt. Es zeigen:
- Fig. 1:
- eine perspektivische Ansicht eines ersten Behälters zum Verpacken mit erfindungsgemäßen Merkmalen;
- Fig. 2:
- eine perspektivische Ansicht eines zweiten Verpackungsbehälters, und
- Fig. 3:
- eine schematische Ansicht eines Bearbeitungsverfahrens für ein Bahnmaterial zum Herstellen von Verpackungsbehältern aus Kunststofffolie.
- Fig. 1:
- a perspective view of a first container for packaging with features of the invention;
- Fig. 2:
- a perspective view of a second packaging container, and
- 3:
- a schematic view of a processing method for a web material for the manufacture of packaging containers made of plastic film.
Mit 1 ist ein Behälter zum Verpacken von Schüttgütern bezeichnet, der eine Vorderwand 2, eine Rückwand 3 und einen Standboden 4 aufweist. Der Standboden 4 ist dabei aus zwei inneren Lagen einer Einfaltung einer an den Längsseiten in Längsrichtung eingefalteten Schlauchbahn oder Flachbahn erzeugt, so dass der Bodenbereich 5 des Verpackungsbehälters im flachen Zustand entsprechend vierlagig ausgebildet ist. Der Behälter 1 weist des Weiteren einen ebenfalls mehrlagigen Kopfbereich 6 auf, welcher ebenfalls durch eine Einfaltung an der anderen Längsseite der zur Ausbildung des Verpackungsbehälters verwendeten Schlauch- oder Flachbahn erzeugt wird. In dieser Ausführung sind die inneren Lagen 7, 8 des Kopfbereiches 6 nur abschnittsweise miteinander verbunden, wobei bevorzugt die inneren Lagen in den untereinander unverbundenen Abschnitten im Bereich der Faltkante voneinander getrennt werden. Es ist ebenso denkbar, beispielsweise auch eine innere und äußere Lagen miteinander verbindende Faltkante zumindest stückweise zu trennen. Im Kopfbereich 6 ist zudem eine Verschlussnaht 9 vorgesehen, mittels der der Verpackungsbehälter im Kopfbereich verschlossen ist. Teil der Verschlussnaht ist eine Verbindungsnaht 10, welche einen Mehrlagenbereich 11 des Kopfbereiches vom Behälterinneren derart abtrennt, dass der Mehrlagenbereich 11 mit einer als Durchbruch 12 ausgebildeten Tragehilfe ausgerüstet werden kann. Durch die Verbindungsnaht 10 ist der Austritt von Füllgut über den Durchbruch in den verschiedenen Lagen des Kopfbereiches 6 vermieden. Mit Hilfe der in den Seitenbereichen 13, 13' an den oberen Randbereichen der inneren Lagen 7, 8 verlaufenden Abschnitte der Verschlussnaht 9 ist ein Abschnitt des Kopfbereiches geschaffen, der zwischen die inneren Lagen für Füllgut zugänglich ist. Im Seitenbereich 13 des Kopfbereiches 6 ist insbesondere ein Füllgut-Entnahmebereich 14 ausgebildet, über den eine vorteilhaft einfache Entnahme des im Füllraum des Verpackungsbehälters 1 aufgenommenen Füllgutes gewährleistet ist. Der Füllgut-Entnahmebereich 14 weist des Weiteren über einen vorbestimmten Abschnitt, insbesondere am oberen Randbereich des Behälters zwischen den inneren Lagen 7, 8 ein als Wiederverschluss 15 ausgebildetes Verschlussmittel für eine portionsweise Entnahme des Füllgutes auf. Dessen Verschlussteile sind dabei ebenso über die Verschlussnaht 9 mit den dem Wiederverschluss zugewandten Flächenstücken der inneren Lagen stoffschlüssig verbunden. Damit die unteren Enden der inneren Lagen 7, 8 das Entleeren des Behälters 1 nicht behindern, sind diese jeweils an den Innenseiten der zugeordneten Vorder- und Rückwand mit Hilfe von Verbindungsnahtabschnitten 16, 16' fixiert. Eine Verbindung der unteren Enden untereinander ist dabei nicht vorgesehen. Zum seitlichen Verschließen des üblicherweise von der Seite aus befüllten Verpackungsbehälters 1 sind als Verschweißungen ausgebildete Seitennähte 17, 17' vorgesehen. Für eine erhöhte Stabilität des Standbodens 4 weist der Verpackungsbehälter 1 in seinem Bodenbereich 5 zusätzlich Eckenabschweißungen 18, 18' auf, welche vorbestimmte Flächenstücke des Standbodens 4 mit den Innenseiten der Vorder- und Rückwand 2, 3 im Bodenbereich 5 miteinander verbinden.1 with a container for packaging bulk materials is designated, which has a
In
In
Claims (7)
- A container (1, 21) for packaging filling materials, in particular a sack or bag from plastic film, with at least one container wall enveloping the filling material, which wall comprises at least one front and back wall (2, 3, 22, 23), wherein in the base region (5, 25) of the container between the front and back wall (2, 3, 22, 23) two inner layers of a fold-in of at least one web section of the plastic film are arranged, the web section being folded inwards on at least one of its longitudinal sides, and wherein a standing base (4, 24) connecting the front and back wall (2, 3, 22, 23) is formed by means of the fold-in, and with a multi-layer region (11, 31) formed from more than two superimposed layers (7, 8, 27, 28) in the head region (6, 26) of the container, wherein the multi-layer region (11, 31) comprises at least one carrying aid formed as a break-through (12, 32), which break-through (12, 32) penetrates at least partially the layers in the head region (6, 26), and with seams connecting predetermined layers in the lateral regions (13, 13', 33, 33') and in the head region (6, 26) of the container,
wherein
in the head region (6, 26) of the container, predetermined layers (7, 8, 27, 28) are connected with each other via at least one section by means of at least one closure means closing the container (1, 21),
a filling-material removal region (14, 34) is formed in the head region (6, 26) below the closure means, which is arranged adjacent to the multi-layer region (11, 31) comprising the break-through (12, 32), wherein by means of a connecting seam (10, 30) formed of several sections extending at predefined angles towards each other, all layers (7, 8, 27, 28) in the head region (6, 26) are firmly bonded to each other, and wherein at least one section of the connecting seam (10, 30) is arranged, at least in sections, so as to extend around the breakthrough (12, 32) in such a way that the multi-layer region (11, 31) comprising the break-through (12, 32) is sealingly separated from the filling chamber of the container (1, 21),
characterised in that
the multi-layer region (11, 31), in the head region (6, 26) between front wall and rear wall (2, 3, 22, 23) comprises inner layers (7, 8, 27, 28) of a fold-in of the web section folded inwards along its longitudinal sides,
wherein each inwardly protruding layer (7, 8, 27, 28) of the fold-in in the head region (6, 26) is attached by means of at least one connecting seam section (16, 16') to the inside of the front or rear wall (2, 3, 22, 23), in order to be able to ensure that the filling material can leave the filling chamber unhindered via the filling material removal region (14, 34), and
wherein the lower ends of the inner layers (7, 8) of the fold-in in the head region (6, 26), exclusively in that part of the head region (6, 26) which lies adjacent to the filling material removal region (14, 34), in addition to the fixing on a corresponding inner side, are also connected among each other, whereas each inwardly protruding layer (7,8) of the fold-in in the filling material removal region (14, 34) of the head region (6, 26), is attached exclusively to the inside of the respectively associated front or rear wall (2, 3, 22, 23). - The container according to claim 1, characterised in that the at least one closure means is arranged along the upper rim regions of the layers (7, 8, 27, 28) to be connected with each other.
- The container according to one of claims 1 and 2, characterised in that the closure means is a reclosure (15, 36) for the filling-material removal region (14, 34).
- The container according to one of claims 1 to 3, characterised in that the closure means is a closure seam (9, 29) connecting predetermined layers (7, 8, 27, 28) in the head region with each other.
- The container according to claim 4, characterised in that the closure seam (9, 29) closing the filling-material removal region (14, 34) in the head region (6, 26) is associated with a required separating line which weakens surface regions of certain layers.
- The container according to one of claims 1 to 5, characterised in that the connecting seam (10, 30) sealing the breakthrough (12, 32) in the head region (6, 26) is part of the closure seam (9, 29) connecting predetermined layers (7, 8, 27, 28) in the head region with each other.
- The container according to one of claims 1 to 6, characterised in that the closure seam (9, 29) comprises at least one seam section extending at least at the level of and in parallel to the inwardly folded ends of certain layers (7, 8, 27, 28), on which seam section one further adjoining seam section is arranged at least on one side, which extends at a predetermined angle in direction of the upper rim region of the layers (7, 8, 27, 28) of the head region (6, 26).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL12163665T PL2511187T3 (en) | 2011-04-15 | 2012-04-11 | Container for packing bulk material |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102011017073A DE102011017073A1 (en) | 2011-04-15 | 2011-04-15 | Container for packaging of products and method for processing a material web |
Publications (3)
Publication Number | Publication Date |
---|---|
EP2511187A2 EP2511187A2 (en) | 2012-10-17 |
EP2511187A3 EP2511187A3 (en) | 2013-01-02 |
EP2511187B1 true EP2511187B1 (en) | 2015-10-07 |
Family
ID=46027617
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP12163665.8A Not-in-force EP2511187B1 (en) | 2011-04-15 | 2012-04-11 | Container for packing bulk material |
Country Status (10)
Country | Link |
---|---|
US (2) | US20120269464A1 (en) |
EP (1) | EP2511187B1 (en) |
AU (1) | AU2012202086C1 (en) |
BR (1) | BR102012008734B1 (en) |
CA (1) | CA2773782C (en) |
DE (1) | DE102011017073A1 (en) |
DK (1) | DK2511187T3 (en) |
ES (1) | ES2557469T3 (en) |
PL (1) | PL2511187T3 (en) |
RU (1) | RU2604025C2 (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
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EP3075679B1 (en) * | 2015-03-31 | 2017-10-25 | Papier-Mettler KG | Plastic shipping bag, in particular for online shipping |
FI126425B (en) * | 2015-11-06 | 2016-11-30 | Koepala Packaging Oy | Packaging or product and a packaging or product roll |
WO2018172125A1 (en) | 2017-03-21 | 2018-09-27 | Philip Morris Products S.A. | Method for opening a package for consumer goods and package for consumer goods as well as a method for manufacturing such a package |
US11542060B2 (en) | 2017-03-21 | 2023-01-03 | Altria Client Services Llc | Package for consumer goods and method for manufacturing a tear-open package |
US20180319545A1 (en) * | 2017-05-08 | 2018-11-08 | Coveris Holding Corp. | Bags with reinforced handles and related methods |
WO2020243229A1 (en) * | 2019-05-31 | 2020-12-03 | Dow Global Technologies Llc | Flexible container with handles |
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US2951628A (en) * | 1955-11-21 | 1960-09-06 | Grussen Jean | Container for fluid or pulverulent material and process for making it |
US3332420A (en) * | 1963-12-02 | 1967-07-25 | Ronald L Voller | Valved enema bag made from materials having different surface affinities |
US3337117A (en) * | 1964-04-17 | 1967-08-22 | Lehmacher Michael | Beverage package |
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DE1918528U (en) * | 1965-04-09 | 1965-06-24 | Michael Lehmacher | HOSE OR SECTION OF TUBE MADE OF THERMOPLASTIC PLASTIC FILM FOR THE MANUFACTURING OF BAGS WITH A CARRYING HANDLE. |
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US3332430A (en) * | 1965-12-27 | 1967-07-25 | Otto F Busch | Disk assorting and counting apparatus |
DE1918528A1 (en) * | 1969-04-11 | 1970-11-12 | Stemmer Josef | Damp proof double glazing components |
GB1273157A (en) * | 1969-04-28 | 1972-05-03 | British Visqueen Ltd | Carrier bags |
BE755442A (en) | 1969-08-29 | 1971-03-01 | Unifos Kemi Ab | BAGS EQUIPPED WITH A CLOSING AND TRANSPORT DEVICE |
GB1455570A (en) * | 1973-02-08 | 1976-11-17 | Metal Box Co Ltd | Bags |
AU548255B2 (en) * | 1981-05-19 | 1985-12-05 | Aci Australia Limited | Flexible package |
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DE60130208T2 (en) * | 2000-05-30 | 2008-05-21 | Amcor Packaging (New Zealand) Ltd., North Harbour | PLASTIC PACKAGING |
DE20115181U1 (en) * | 2000-10-07 | 2002-01-03 | Nordenia Deutschland Steinfeld GmbH, 49439 Steinfeld | Packaging for bulk goods designed as a gusseted bag or sack |
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WO2007143648A2 (en) * | 2006-06-07 | 2007-12-13 | Pactiv Corporation | Slider bag with handle below the fastener |
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-
2011
- 2011-04-15 DE DE102011017073A patent/DE102011017073A1/en not_active Withdrawn
-
2012
- 2012-04-05 RU RU2012113308/12A patent/RU2604025C2/en not_active IP Right Cessation
- 2012-04-10 US US13/443,420 patent/US20120269464A1/en not_active Abandoned
- 2012-04-11 PL PL12163665T patent/PL2511187T3/en unknown
- 2012-04-11 EP EP12163665.8A patent/EP2511187B1/en not_active Not-in-force
- 2012-04-11 CA CA2773782A patent/CA2773782C/en not_active Expired - Fee Related
- 2012-04-11 ES ES12163665.8T patent/ES2557469T3/en active Active
- 2012-04-11 DK DK12163665.8T patent/DK2511187T3/en active
- 2012-04-11 AU AU2012202086A patent/AU2012202086C1/en not_active Ceased
- 2012-04-13 BR BR102012008734A patent/BR102012008734B1/en active IP Right Grant
-
2016
- 2016-02-08 US US15/018,173 patent/US10442576B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP2511187A2 (en) | 2012-10-17 |
DK2511187T3 (en) | 2016-01-18 |
DE102011017073A1 (en) | 2012-10-18 |
EP2511187A3 (en) | 2013-01-02 |
US20160152381A1 (en) | 2016-06-02 |
BR102012008734B1 (en) | 2019-12-31 |
AU2012202086C1 (en) | 2015-04-23 |
PL2511187T3 (en) | 2016-03-31 |
AU2012202086B2 (en) | 2015-01-22 |
CA2773782A1 (en) | 2012-10-15 |
US10442576B2 (en) | 2019-10-15 |
ES2557469T3 (en) | 2016-01-26 |
RU2604025C2 (en) | 2016-12-10 |
US20120269464A1 (en) | 2012-10-25 |
AU2012202086A1 (en) | 2012-11-01 |
RU2012113308A (en) | 2013-10-10 |
CA2773782C (en) | 2019-07-16 |
BR102012008734A2 (en) | 2013-07-02 |
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