DE2946052A1 - Prodn. of foil bag with three layer laminate structure - closed by exposing polyethylene layer and press welding - Google Patents
Prodn. of foil bag with three layer laminate structure - closed by exposing polyethylene layer and press weldingInfo
- Publication number
- DE2946052A1 DE2946052A1 DE19792946052 DE2946052A DE2946052A1 DE 2946052 A1 DE2946052 A1 DE 2946052A1 DE 19792946052 DE19792946052 DE 19792946052 DE 2946052 A DE2946052 A DE 2946052A DE 2946052 A1 DE2946052 A1 DE 2946052A1
- Authority
- DE
- Germany
- Prior art keywords
- film
- bag
- laminate
- recess
- foil
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B15/08—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
- B32B15/09—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin comprising polyesters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/02—Preparation of the material, in the area to be joined, prior to joining or welding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/05—Particular design of joint configurations
- B29C66/304—Joining through openings in an intermediate part of the article
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
- B29C66/71—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the composition of the plastics material of the parts to be joined
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
- B29C66/72—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined
- B29C66/723—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being multi-layered
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
- B29C66/72—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined
- B29C66/723—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being multi-layered
- B29C66/7232—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being multi-layered comprising a non-plastics layer
- B29C66/72321—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being multi-layered comprising a non-plastics layer consisting of metals or their alloys
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B15/08—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
- B32B15/085—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin comprising polyolefins
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/20—Layered products comprising a layer of metal comprising aluminium or copper
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D31/00—Bags or like containers made of paper and having structural provision for thickness of contents
- B65D31/02—Bags or like containers made of paper and having structural provision for thickness of contents with laminated walls
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/18—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
- B29C66/72—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined
- B29C66/723—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being multi-layered
- B29C66/7232—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being multi-layered comprising a non-plastics layer
- B29C66/72327—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being multi-layered comprising a non-plastics layer consisting of natural products or their composites, not provided for in B29C66/72321 - B29C66/72324
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2009/00—Layered products
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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
- B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
- B31B50/60—Uniting opposed surfaces or edges; Taping
- B31B50/64—Uniting opposed surfaces or edges; Taping by applying heat or pressure, e.g. by welding
-
- 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
- B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
- B31B50/74—Auxiliary operations
- B31B50/81—Forming or attaching accessories, e.g. opening devices, closures or tear strings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/30—Properties of the layers or laminate having particular thermal properties
- B32B2307/31—Heat sealable
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2439/00—Containers; Receptacles
- B32B2439/40—Closed containers
- B32B2439/46—Bags
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bag Frames (AREA)
- Laminated Bodies (AREA)
- Packages (AREA)
Abstract
Description
Verfahren zur Herstellung eines Beutels aus dreilagigemMethod of making a bag from three-ply
Folienlaminat mit verschlossener Entnahmeöffnung in der Beutelwand Verfahren zur Herstellung eines Beutels aus dreilagigem Folienlaminat mit verschlossener Entnahmeöffnung in der Beutelwand Die Erfindung betrifft ein Verfahren zur Herstellung eines Beutels, der aus einem Folienlaminat aufgebaut ist, das drei Folien umfaßt, wobei der Beutel in einer Wand eine verschlossene Entnahmeöffnung aufweist, die bei Bedarf zum Zweck der Entnahme von Füllgut leicht zu öffnen ist; bei flüssigem Füllgut, beispielsweise einem Getränk, kann dieses durch Einführung eines Trinkhalms in den Beutel, durch die Entnahmeöffnung, aus diesem entnommen werden.Foil laminate with a closed removal opening in the bag wall procedure for the production of a bag made of three-layer film laminate with a closed removal opening in the bag wall The invention relates to a method for producing a bag, which is constructed from a film laminate comprising three films, the pouch has a closed removal opening in a wall, which, if necessary, can be used for the purpose is easy to open for the removal of filling material; in the case of liquid contents, for example a drink, this can be done by inserting a drinking straw into the bag the removal opening, can be removed from this.
Der Erfindung liegt die Aufgabe zugrunde, ein Verfahren zur Herstellung eines Beutels der genannten Art vorzuschlagen, bei dem man von einem Beutel aus dreischichtigem Folienlaminat, dessen erste Folie aus nichtschweißbarem Polymeren besteht, an die sich eine zweite Folie aus Aluminium anschließt, an welche eine dritte Folie aus Polyolefin angrenzt, ausgehend in einer Beutelwand innerhalb eines diskreten Bereichs unter Aussparung dritter Folie erste und zweite Folie entfernt und die dabei gebildete Ausnehmung mit einem Folienstreifen mit siegelfähiger Oberfläche durch Verschweißung verschließt.The invention is based on the object of a method for production to propose a bag of the type mentioned, in which one starts from a bag three-layer film laminate, the first film of which is made of non-weldable polymer consists, which is followed by a second foil made of aluminum, to which a third polyolefin film is adjacent, starting in a bag wall within a first and second film removed from discrete area under recess third film and the recess formed in the process with a film strip with a sealable surface sealed by welding.
Die der Erfindung zugrunde liegende Aufgabe wird gelöst durch ein Verfahren zur Herstellung eines Beutels aus dreischichtigem Folienlaminat, dessen erste Folie aus nichtschweißbarem Polymeren besteht, an die sich eine zweite Folie aus Aluminium anschließt, an welche eine dritte Folie aus Polyolefin angrenzt, wobei die Innenseite des Beutels aus Polyolefin besteht, bei dem man an wenigstens einer Stelle einer Beutelwand innerhalb eines diskreten Bereichs eine kreisförmig begrenzte Ausnehmung durch spanendes Abarbeiten erster Folie aus nicht schweißbarem hochmolekularem Polymerisat sowie zweiter Folie aus Aluminium derart einformt, daß der Ausnehmungsboden durch freiliegende Oberfläche, der aus Polyolefin bestehenden dritten Folie des Laminats gebildet wird, die Ausnehmung mit einem Streifen mit siegelfähiger Oberfläche überdeckt und diese mit dem Ausnehmungsboden durch Verschweißung verbindet. Die erste Folie des dreischichtigen Laminats besteht vorteilhaft aus Cellulosefolie, Polyamidfolie oder insbesondere vorteilhaft biaxial streckorientierter Polyesterfolie. Die aus Polyolefin bestehende dritte Folie des Laminats ist vorteilhaft aus Polyäthylen aufgebaut.The object on which the invention is based is achieved by a Process for the production of a bag from three-layer film laminate, the first slide off non-weldable polymer, to which a second foil made of aluminum is connected to which a third foil made of polyolefin adjoins, with the inside of the bag made of polyolefin, with which one is attached at least one location on a bag wall within a discrete area circularly delimited recess by machining the first film from not weldable high molecular weight polymer and a second aluminum foil like this molds that the recess bottom by exposed surface, which is made of polyolefin existing third sheet of the laminate is formed, the recess with a strip covered with a sealable surface and this through with the recess base Welding connects. The first film of the three-layer laminate is advantageously made made of cellulose film, polyamide film or particularly advantageously biaxially stretch-oriented Polyester film. The polyolefin third film of the laminate is advantageous made of polyethylene.
Unter Folie aus nichtverschweißbarem, hochmolekularem Polymerisat ist eine solche zu verstehen, die mit einer Folie aus Polyolefin, insbesondere Polyäthylen nicht verschweißbar ist.Under foil made of non-weldable, high molecular weight polymer is to be understood as one made with a film made of polyolefin, in particular polyethylene is not weldable.
Die spanende Abarbeitung der genannten Folie des Laminats innerhalb eines diskreten, kreisförmig begrenzten Bereichs zur Ausbildung der Ausnehmung im Laminat erfolgt durch Fräsen mittels eines entsprechend der Form und dem gewünschten Durchmesser bzw. Aussendurchmesser der Ausnehmung ausgebildeten Stirnfräsers oder Schleifen mittels eines entsprechend der Form und dem gewünschten Durchmesser der Ausnehmung ausgebildeten Schleifelements mit stirnseitiger, kreisförmiger Schleiffläche.The machining processing of the said film of the laminate within a discrete, circularly delimited area for forming the recess in the Laminate is made by milling by means of a corresponding the form and the desired diameter or outer diameter of the recess Face milling cutter or grinding by means of one according to the shape and the desired Diameter of the recess formed grinding element with an end face, circular Grinding surface.
Das Verfahren wird vorteilhaft an einem Beutel durchgeführt, dessen Wandungen aus einem Laminat bestehen, aus beispielsweise aus einer 12 /um dicken, biaxial streckorientierten Polyesterfolie, einer 100 /um dicken Folie aus Polyäthylen und einer zwischen beiden Folien angeordneten 9 bis 12 /um dicken Aluminiumfolie aufgebaut ist.The method is advantageously carried out on a bag, the Walls consist of a laminate, for example from a 12 / um thick, biaxially stretch-oriented polyester film, a 100 / µm thick film made of polyethylene and a 9 to 12 μm thick aluminum foil arranged between the two foils is constructed.
Der nach dem Verfahren herstellbare Beutel hat bevorzugt rechteckige Gestalt, er kann als Bodenbeutel ausgebildet sein. Das Verfahren wird vorteilhaft in der Weise durchgeführt, daß die Ausnehmung in der Nähe einer Beutelkante in die Beutelwand eingeformt wird.The bag which can be produced by the method is preferably rectangular Shape, it can be designed as a bottom bag. The process becomes advantageous carried out in such a way that the recess in the vicinity of a bag edge in the Bag wall is molded.
Unter der Bezeichnung Ausnehmung soll sowohl eine solche verstanden werden, deren Hohlraum im Querschnitt kreisförmig ist, wobei deren gesamte Bodenfläche durch freiliegende Oberfläche der Polyolefinfolie, bevorzugt Polyäthylenfolie, des Laminats gebildet wird, als auch eine, deren Hohlraum kreisringförmig ausgebildet ist und einen kreisringflächigen Boden aufweist, der aus freiliegender Oberfläche der Polyolefinfolie bevorzugt Polyäthylenfolie des Lamiants besteht. Als freiliegende Oberfläche der Polyolefinfolie, bevorzugt Polyäthylenfolie des Laminats soll der der Alu-Folie zugewandte Teil ihrer Oberfläche gelten, der nach spanender Abarbeitung von Folie aus nichtschweißbarem, hochmolekularem Polymerisat sowie solcher aus Aluminium innerhalb des genannten, kreisförmig begrenzten Bereichs frei zugänglich ist. Als Folienstreifen mit siegelfähiger Oberfläche soll ein solcher bezeichnet werden, der eine Oberfläche aufweist, die mit einem Substrat aus Polyolefin, bevorzugt Polyäthylen verschweißbar ist; bevorzugt ist der Folienstreifen mit siegelfähiger Oberfläche mehrschichtig ausgebildet, wobei eine Außenseite desselben aus einer Schicht aus Polymerem besteht, das mit einem Substrat aus Polyolefin, bevorzugt Polyäthylen verschweißbar ist.The term recess is to be understood as meaning both such whose cavity is circular in cross-section, with the entire bottom area by the exposed surface of the polyolefin film, preferably polyethylene film, des Laminate is formed, as well as one whose cavity is circular is and has an annular floor made of exposed surface the polyolefin film is preferably made of polyethylene film of the Lamiants. As exposed surface the polyolefin film, preferably the polyethylene film of the laminate, should be that of the aluminum film facing part of their surface apply after the machining of foil made of non-weldable, high molecular weight polymer as well as those made of aluminum within of the aforementioned, circularly delimited area is freely accessible. As a film strip a sealable surface is intended to mean the one surface which can be welded to a substrate made of polyolefin, preferably polyethylene is; The film strip with a sealable surface is preferably multilayered formed, an outside of which consists of a layer of polymer, which can be welded to a substrate made of polyolefin, preferably polyethylene.
Insbesondere bevorzugt ist ein Folienstreifen mit siegelfähiger Oberfläche, dessen Aufbau dem des Laminats entspricht, aus dem der Beutel besteht. Die Breite des Folienstreifens mit siegelfähiger Oberfläche ist größer als der Durchmesser der Mündungsöffnung der Ausnehmung am Laminat; der Folienstreifen mit siegelfähiger Oberfläche ist kurz im Verhältnis zur Beutellänge bzw.A film strip with a sealable surface is particularly preferred, the structure of which corresponds to that of the laminate from which the bag is made. The width of the film strip with a sealable surface is larger than the diameter the mouth of the recess on the laminate; the film strip with sealable The surface is short in relation to the bag length or
zur Beutelbreite.to the bag width.
Die Verschweißung der Bodenfläche der Ausnehmung mit der siegelfähigen Oberfläche des Folienstreifens erfolgt dadurch, daß man die Ausnehmung mit dem Folienstreifen in der Weise überdeckt, daß seine siegelfähige Oberfläche dem Substrat zugewandt ist, der an die Mündungsöffnung der Ausnehmung angrenzende Teil des Fo- lienstreifens wird dann, beispielsweise mit Hilfe eines beheizbaren und beheizten Stempelwerkzeugs gegen seine Unterlage gepreßt, dabei wird der der Mündungsöffnung der Ausnehmung zugewendete Teil des Folienstreifens mit der Bodenfläche der Ausnehmung verschweißt. Die Länge des Folienstreifens wird derart gewählt, daß sein nicht mit der Unterlage verschweißter Teil eine hinreichend lange Grifflasche bildet. Bei Bedarf wird zur Ausbildung einer Durchlassöffnung in der Beutelwand der Grifflaschenteil des partiell mit der Unterlage verschweißten Folienstreifens erfaßt und in Richtung von der Beutelwand fort nach außen und oben gezogen. Durch diese Maßnahme wird der dem Folienstreifen durch Verschweißung verbundene Teil der Polyolefinfolie, bevorzugt Polyäthylenfolie des Laminats aus diesem herausgerissen, dabei entsteht die freie Entnahmeöffnung in der Beutelwand.The welding of the bottom surface of the recess with the sealable The surface of the film strip is achieved by making the recess with the film strip covered in such a way that its sealable surface faces the substrate is, the part of the fo- official strip is then, for example with the help of a heatable and heated stamp tool pressed against its base, thereby becoming the opening of the opening of the recess facing part of the film strip is welded to the bottom surface of the recess. The length of the film strip is chosen so that its not with the base welded part forms a sufficiently long grip tab. If necessary, the Formation of a passage opening in the bag wall of the grip tab part of the partial with the base welded film strip detected and in the direction of the bag wall pulled away outwards and upwards. This measure becomes the film strip Part of the polyolefin film connected by welding, preferably polyethylene film of the laminate torn out of this, creating the free removal opening in the bag wall.
Das erfindugsgemäße Herstellungsverfahren ist an keine bestimmte Beutelform gebunden, es hat sich jedoch insbesondere bei der Herstellung von Standbeuteln, insbesondere solchen wie sie in der DE-PS 12 81 140 beschrieben sind, bewährt.The manufacturing method according to the invention is not a specific bag shape bound, but it has become particularly popular in the production of stand-up pouches, especially those as described in DE-PS 12 81 140, proven.
Bei der Durchführung des Verfahrens in der Weise, daß man in der Wandung eines fertigen Beutels die Ausnehmung und dann die Verschweißung ihrer Bodenfläche mit dem Folienstreifen vornimmt, indem man durch die Beutelöffnung ein formstabiles planes Widerlagerelement einführt, auf dessen Oberfläche die Beutelinnenwand beim Einbringen der Ausnehmung sowie beim Versiegeln ihrer Bodenfläche mit dem Folienstreifen aufliegt. Eine alternative Verfahrensmöglichkeit besteht darin, einen beispielsweise rechteckigen Zuschnitt aus Folienlaminat des genannten Aufbaus in der Weise auf ein planes Widerlagerelement aufzulegen, daß seine Oberfläche aus Polyäthylen an die Widerlageroberfläche angrenzt und dann die Ausnehmung vornimmt und dann ihre Bodenfläche mit dem Folienstreifen mit siegel fähiger Oberfläche verschweißt. Die Ausnehmung wird dabei bevorzugt nahe der kürzeren Begrenzungskante des Folienzuschnitts angebracht. Anschließend wird zur Bildung des Beutels der wie vorstehend behandelte Laminatfolienzuschnitt längsweise gefaltet und übereinanderliegende Zuschnittkante miteinander verschweißt. Man kann zur Herstellung des Beutels auch so vorgehen, daß man den wie vorstehend vorbereiteten Folienzuschnitt mit einem zweiten Folienzuschnitt derselben Form und Abmessung mit dem Schichtaufbau des ersten in der Weise deckungsfähig aufeinanderlegt, daß die Polyäthylenschichten aneinandergrenzen und dann die Folienlaminatzuschnitte im Bereich ihrer Seitenkanten miteinander verschweißt.When carrying out the process in such a way that one in the wall of a finished bag, the recess and then the welding of its bottom surface with the film strip by inserting a dimensionally stable one through the bag opening introduces planar abutment element, on the surface of which the inner wall of the bag at Bring in the recess as well as when sealing its bottom surface with the film strip rests. An alternative method is to use a rectangular one, for example Cut from foil laminate of the structure mentioned in the manner on a planar abutment element to lay on that its surface of polyethylene is adjacent to the abutment surface and then makes the recess and then its bottom surface with the film strip welded to a sealable surface. The recess is preferably close attached to the shorter boundary edge of the foil blank. Then will to form the bag, the laminate film blank treated as above, lengthwise folded and superimposed cut edges welded together. One can to prepare the bag also proceed in such a way that the prepared as above Foil cut with a second foil cut of the same shape and dimensions the layer structure of the first superimposed in such a way that the Adjoin the polyethylene layers and then the foil laminate cuts in the area their side edges welded together.
Die Verschweißung des Folienstreifens mit der Bodenfläche der Ausnehmung in der Beutelwand sowie die Verschweißung der Folienlaminatzuschnitte zur Formung eines Beutels folgt in an sich bekannter Weise mittels bekannter Wärmekontaktschweißvorrichtung, beispielsweise einer solchen mit heizbaren Schweißbacken mit kreisförmiger oder rechteckiger Arbeitsfläche.The welding of the foil strip to the bottom surface of the recess in the bag wall as well as the welding of the foil laminate blanks for shaping a bag follows in a manner known per se by means of a known thermal contact welding device, for example one with heatable welding jaws with circular or rectangular work surface.
Die Zeichnung stellt im Querschnitt und in schematischer Darstellung denjenigen Teil der Beutelwand eines verfahrensgemäß hergestellten Beutels dar, der die Ausnehmung umfaßt, deren Boden mit der siegelfähigen Schicht des Folienstreifens verbunden ist. In Fig. I ist dabei eine Variante eines Verfahrenserzeugnisses dargestellt, bei der durch spanende Abarbeitung eines Teils des Laminats in der Laminatoberfläche eine Ausnehmung erzeugt wurde, die einen Hohlraum von kreisringförmiger Gestalt mit Bodenfläche aus freiliegender Oberfläche der Polyäthylenfolie des Laminats besitzt. In der Fig. II ist eine Variante des Verfahrenserzeugnisses gezeigt, bei der der Boden der durch spanende Abarbeitung des Folienlaminats gebildeten Ausnehmung kreisflächig ist und aus freiliegender Oberfläche der Polyäthylenfolie besteht. In der Fig. I bedeutet 1 die Beutelwandung aus Folienlaminat, 2 eine Folie aus biaxial streckorientiertem Polyester, 3 eine Folie aus Aluminium und 4 eine Folie aus Polyäthylen; 5 bedeutet den Folienstreifen mit siegelfähiger Oberfläche, 6 ist dabei eine Folie aus biaxial streckorientiertem Polyester, 7 eine Folie aus Aluminium und 8 eine Schicht aus Polyäthylen, es bedeutet 9 den aus freiliegender Oberfläche der Folie 3 des Laminats 1 gebildete kreisringförmige Boden der Ausnehmung, 10 ist derjenige Bereich, in welchem die Polyäthylenschicht 7 des Folienstreifens 5 durch Versiegelung mit dem Boden 9 mit der Ausnehmung im Folienlaminat durch Verschweißung verbunden ist.The drawing represents in cross section and in a schematic representation that part of the bag wall of a bag manufactured according to the method, which comprises the recess, the bottom of which with the sealable layer of the film strip connected is. In Fig. I a variant of a process product is shown, by machining part of the laminate in the laminate surface a recess was created, which has a cavity of circular shape with the bottom surface of the exposed surface of the polyethylene film of the laminate. In Fig. II a variant of the process product is shown in which the The bottom of the recess formed by machining the film laminate is circular and consists of the exposed surface of the polyethylene film. In Fig. I. 1 means the bag wall made of film laminate, 2 a film made of biaxially stretch-oriented Polyester, 3 an aluminum foil and 4 a polyethylene foil; 5 means the film strip with a sealable surface, 6 is a film made of biaxial stretch-oriented polyester, 7 a foil made of aluminum and 8 a layer Polyethylene, it means 9 from the exposed surface of the film 3 of the laminate 1 is the circular bottom of the recess, 10 is the area in which the polyethylene layer 7 of the film strip 5 by sealing with the Floor 9 is connected to the recess in the film laminate by welding.
In der Fig. II haben die Ziffern 1 bis 8 und 10 dieselbe Bedeutung wie in Fig. I. 11 bedeutet den kreisflächigen Boden der Ausnehmung im Folienlaminat.In Fig. II, the numbers 1 to 8 and 10 have the same meaning as in Fig. I. 11 means the circular base of the recess in the film laminate.
Claims (3)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19792946052 DE2946052A1 (en) | 1979-11-15 | 1979-11-15 | Prodn. of foil bag with three layer laminate structure - closed by exposing polyethylene layer and press welding |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19792946052 DE2946052A1 (en) | 1979-11-15 | 1979-11-15 | Prodn. of foil bag with three layer laminate structure - closed by exposing polyethylene layer and press welding |
Publications (1)
Publication Number | Publication Date |
---|---|
DE2946052A1 true DE2946052A1 (en) | 1981-06-11 |
Family
ID=6086006
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19792946052 Withdrawn DE2946052A1 (en) | 1979-11-15 | 1979-11-15 | Prodn. of foil bag with three layer laminate structure - closed by exposing polyethylene layer and press welding |
Country Status (1)
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DE (1) | DE2946052A1 (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0380111A2 (en) * | 1989-01-26 | 1990-08-01 | Indag Gesellschaft Für Industriebedarf Mbh | Stand-up bag |
EP0380110A2 (en) * | 1989-01-26 | 1990-08-01 | Indag Gesellschaft Für Industriebedarf Mbh | Standing bag |
EP0439868A1 (en) * | 1990-02-02 | 1991-08-07 | Arneg S.P.A. | Composite elements of plastic-covered plate for composable structures, especially shelving |
WO1995023061A1 (en) * | 1994-02-23 | 1995-08-31 | Elopak Systems Ag | Method and apparatus for water-proofing edges of blanks |
CZ296818B6 (en) * | 1999-03-29 | 2006-06-14 | Amcor Flexibles Europe A/S | Stand-up bag made of heat-sealable plastic film |
EP2399723A1 (en) * | 2010-06-24 | 2011-12-28 | Amcor Flexibles Kreuzlingen Ltd. | Packaging container |
-
1979
- 1979-11-15 DE DE19792946052 patent/DE2946052A1/en not_active Withdrawn
Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0380111A2 (en) * | 1989-01-26 | 1990-08-01 | Indag Gesellschaft Für Industriebedarf Mbh | Stand-up bag |
EP0380110A2 (en) * | 1989-01-26 | 1990-08-01 | Indag Gesellschaft Für Industriebedarf Mbh | Standing bag |
WO1990008702A2 (en) * | 1989-01-26 | 1990-08-09 | INDAG Gesellschaft für Industriebedarf mbH | Flat-ended bag |
WO1990008704A2 (en) * | 1989-01-26 | 1990-08-09 | INDAG Gesellschaft für Industriebedarf mbH | Flat-ended bag |
WO1990008702A3 (en) * | 1989-01-26 | 1990-10-18 | Indag Gmbh | Flat-ended bag |
WO1990008704A3 (en) * | 1989-01-26 | 1990-11-01 | Indag Gmbh | Flat-ended bag |
EP0380111A3 (en) * | 1989-01-26 | 1990-11-14 | Indag Gesellschaft Für Industriebedarf Mbh | Stand-up bag |
EP0380110A3 (en) * | 1989-01-26 | 1990-11-22 | Indag Gesellschaft Für Industriebedarf Mbh | Standing bag |
EP0439868A1 (en) * | 1990-02-02 | 1991-08-07 | Arneg S.P.A. | Composite elements of plastic-covered plate for composable structures, especially shelving |
WO1995023061A1 (en) * | 1994-02-23 | 1995-08-31 | Elopak Systems Ag | Method and apparatus for water-proofing edges of blanks |
CZ296818B6 (en) * | 1999-03-29 | 2006-06-14 | Amcor Flexibles Europe A/S | Stand-up bag made of heat-sealable plastic film |
EP2399723A1 (en) * | 2010-06-24 | 2011-12-28 | Amcor Flexibles Kreuzlingen Ltd. | Packaging container |
WO2011160772A1 (en) * | 2010-06-24 | 2011-12-29 | Amcor Flexibles Kreuzlingen Ltd. | Method for producing a packaging container |
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