EP1472141B1 - Airtight skin packaging with water-vapour impermeability and aroma protection - Google Patents

Airtight skin packaging with water-vapour impermeability and aroma protection Download PDF

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Publication number
EP1472141B1
EP1472141B1 EP03737267A EP03737267A EP1472141B1 EP 1472141 B1 EP1472141 B1 EP 1472141B1 EP 03737267 A EP03737267 A EP 03737267A EP 03737267 A EP03737267 A EP 03737267A EP 1472141 B1 EP1472141 B1 EP 1472141B1
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EP
European Patent Office
Prior art keywords
support card
label
gas
film
openings
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.)
Expired - Lifetime
Application number
EP03737267A
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German (de)
French (fr)
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EP1472141A1 (en
Inventor
Heinrich THÖING
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LTS Lohmann Therapie Systeme AG
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LTS Lohmann Therapie Systeme AG
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Priority to SI200330213T priority Critical patent/SI1472141T1/en
Publication of EP1472141A1 publication Critical patent/EP1472141A1/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B11/00—Wrapping, e.g. partially or wholly enclosing, articles or quantities of material, in strips, sheets or blanks, of flexible material
    • B65B11/50—Enclosing articles, or quantities of material, by disposing contents between two sheets, e.g. pocketed sheets, and securing their opposed free margins
    • B65B11/52—Enclosing articles, or quantities of material, by disposing contents between two sheets, e.g. pocketed sheets, and securing their opposed free margins one sheet being rendered plastic, e.g. by heating, and forced by fluid pressure, e.g. vacuum, into engagement with the other sheet and contents, e.g. skin-, blister-, or bubble- packaging
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B31/00—Packaging articles or materials under special atmospheric or gaseous conditions; Adding propellants to aerosol containers
    • B65B31/02—Filling, closing, or filling and closing, containers or wrappers in chambers maintained under vacuum or superatmospheric pressure or containing a special atmosphere, e.g. of inert gas
    • 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
    • B65D75/28—Articles or materials wholly enclosed in composite wrappers, i.e. wrappers formed by associating or interconnecting two or more sheets or blanks
    • B65D75/30—Articles or materials enclosed between two opposed sheets or blanks having their margins united, e.g. by pressure-sensitive adhesive, crimping, heat-sealing, or welding
    • 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
    • B65D75/28—Articles or materials wholly enclosed in composite wrappers, i.e. wrappers formed by associating or interconnecting two or more sheets or blanks
    • B65D75/30—Articles or materials enclosed between two opposed sheets or blanks having their margins united, e.g. by pressure-sensitive adhesive, crimping, heat-sealing, or welding
    • B65D75/305—Skin packages

Definitions

  • the invention relates to a method for packaging piece goods in a disposable packaging and a disposable packaging.
  • FR 1,466,937 describes a package and a method of making this package.
  • this lower film is perforated before and after sticking on its entire surface.
  • another film is drawn with heating over the product to be packaged and the carrier cardboard.
  • This top film is then sucked through the carrier cardboard to the packaged product and the perforated bottom film. Because of the perforation of the lower film and the carrier carton packaging is in all areas where the upper film does not rest on the lower film - which is at least in the zone in which the estate is - permeable to gas and thus not aroma-tight.
  • WO 00/78611 A2 describes a process for the production of a packaging in which an air-impermeable lower film is adhered to a carrier material and a further upper film is pulled under heating over the product to be packaged. The air between the two films is sucked at the edges of the lower film by channels embedded in the substrate. To improve the adhesion in the joining surface, this has beads, in which the films are pulled. External influences, such as temperature or humidity, can cause the adhesive bond between the films to dissipate and moisture to penetrate into the enclosed space.
  • US Pat. No. 3,481,101 A and US Pat. No. 2,750,719 A each disclose a process for the production of skin packs from interconnected films.
  • a lower film which is perforated outside the support area of a piece good, placed on a provided with Absaugkanälen working table of the suction. After this, an upper foil is applied.
  • an evacuation device is now connected, which sucks air through the suction channels of the work table and the perforation of the lower film from the space between the two films.
  • the lower film is drawn into the holes of the work table, which are completely or partially covered by the film.
  • knob-like bulges are generated.
  • a perforation of the lower film is not directly above a suction channel of the work table, through this perforation, the upper film can not be sucked to the lower film.
  • the compound of both films has a gap through which e.g. Moisture can penetrate or escape. An effective protection of the packaged cargo is not given.
  • amaschinesyerfahren in which the skin film consisting of two films is produced at a single workstation.
  • the suction channels of the work table needles are arranged, with which the lying on the work table film is perforated.
  • the suction channels in the work table and the needles are to be arranged depending on the outer geometry of the goods to be packaged. Because of the high lead time at the workstation and the complex drive of the needles, this method can only be used for special disposable packaging.
  • the present invention is therefore based on the problem to develop a packaging method for a disposable packaging and a disposable packaging that offers good flavor and moisture protection of the piece goods.
  • a labeled carrier card which comprises at least one gas-impermeable layer, equipped with at least one piece goods.
  • the projected contact surface of the cargo on the labeled carrier card and a surrounding joining surface of the labeled carrier card are smaller than the largest gas-impermeable layer. Breakthroughs are created around the joining surface along a closed space curve that penetrates at least all the gas-impermeable layers.
  • the stocked carrier card is covered with a gas-impermeable stretch film.
  • the space defined by the stretch film and the carrier card is evacuated through the apertures.
  • the stretch film contacted adhering, forming a tight joint, at least with a joining surface with the joining surface of the labeled carrier card.
  • the stretch film attaches itself to the label.
  • the air is sucked out of the joining surface through the openings.
  • the stretch film is sucked close to the joining surface of the labeled carrier card and adheres to this firmly.
  • it forms a dense, the piece goods surrounding gap with the labeled carrier card.
  • the joining surfaces of the stretch film and the label are sealed together. This uniform seal around the cargo prevents the exchange of moisture or flavorings of the piece goods with the environment.
  • the packaging is airtight.
  • the breakthroughs, unevenness of the labeled carrier card may possibly be combined with depressions or elevations or elevations of the label.
  • the openings penetrate at least all the gas-impermeable layers of the labeled carrier card. You can surround the support surface at regular or irregular intervals.
  • the unevenness here lies on a flat or spatially curved, possibly discontinuous curve.
  • the support surface can also be surrounded by a continuous or endless bead or survey.
  • the apertures may be perforated - with e.g. equidistant imprints - be arranged.
  • the piece goods can e.g. pharmaceutical products or dispensers in which pharmaceutical products are stored.
  • the pharmaceutical products are often particularly sensitive to moisture, flavor and drug loss.
  • the sealing of the joining surfaces in the zone of unevenness prevents premature aging or damage to the products and increases their shelf life.
  • the coating of the film over the carrier card can take place in a stretch-forming process, for example in a skin method.
  • the stretch film is applied to the piece goods under hot forming.
  • the individual piece goods are then packed in a skin package.
  • the label may include, for example, a printed cardboard or film for presenting the product. It can be constructed in one or more layers.
  • the the General cargo facing side of the label have a moisture and aroma-tight film. This can, for example, to ensure good legibility of the label, be a clear, nonpolar or low polarized film.
  • an adhesive for example an adhesive seal layer, is applied to it, for example. But even the use of a polarized film is conceivable.
  • the stretch film for example, a clear, non-polar or slightly polarized film.
  • FIG. 1 shows method steps for packaging piece goods in disposable packaging.
  • a label (20) is produced, which in a second step (2) is applied to a carrier card (10), for example a skincarton.
  • a carrier card (10) for example a skincarton.
  • the populated carrier card (10) is now coated in the fifth step (5) with a stretch film (40).
  • the - shown here excessive - label (20) is constructed, for example, two layers.
  • a one-sided self-adhesive plastic film (21) applied, wherein the adhesive side (22) to the carrier tape (29) shows.
  • the plastic film (21) for example, has a thickness of 30 microns.
  • a gas-tight film (23) of nonpolar plastic e.g. a polyethylene film with a thickness of 100 microns, applied.
  • the latter carries on its side facing away from the plastic film (21), for example, an adhesive sealant layer (24), e.g. was created by brushing with a heat-seal adhesive.
  • the label (20) thus produced is e.g. by means of the carrier tape (29) for labeling (2) promoted.
  • the label (20) is removed from the carrier tape (29) and applied to the example gas-permeable carrier card (10). Now stick the label (20) with the self-adhesive side (22) of the plastic film (21) on the carrier card (10).
  • Labeling (2) may be static or dynamic, i. be done with stationary or moving carrier card (10). If the label (20) is round and unlabeled, it may be aligned omnidirectionally on the carrier card (10), in another structure it has one or more preferred directions.
  • the labels (20) are perforated with the cards (10) in a predetermined zone, outside the later support surface (26) of the piece goods (50).
  • the distance of the space curve (38) to the support surface (26) for example, at least 2 mm, possibly about 3 mm.
  • FIG. 2 shows this step enlarged.
  • the tools (60) for this purpose are, for example, 36 separating tools in the form of individual needles (62) which are driven, for example, via a common lifting, swiveling and / or moving mechanism (63).
  • the individual tool (60) comprises, for example, in each case a forming tool arranged around each individual needle (62), for example individual knobs (64) with a diameter of 15 mm.
  • the nubs (64) come into engagement with the label (20) shortly before reaching the lower end position. You lower this, for example, by about 0.4 mm.
  • the apertures (32) and the dimple impressions (34) are unevennesses (30) of the surface of the label (20).
  • the openings (32) may also be cylindrical or formed with another geometric shape.
  • the breakthroughs (32) or countersinks can be produced instead of a needle (62) with another forming and / or cutting tool (60).
  • the single severing tool (62) may e.g. also be a knife, are produced with the openings (32).
  • a perforation (33) and individual discrete openings (32), possibly with countersinks, can be effected.
  • the unevennesses (30) of the label (20) produced by a forming tool (64) can be, for example, concave or convex.
  • the forming tool (64) can form the surface of the label (20) freely or eg with a die.
  • the unevenness (30) can For example, a channel-like beading (35) extending along the space curve (38) and tangent to or intersecting the openings (32), cf. Figure 5, third quadrant.
  • a single dispenser package (50) is placed on a label (20).
  • the dispenser package (50) is then, for example, flat on the support surface (26), within the perforation (33) on.
  • the so-equipped carrier card (10) is placed in the next processing step (5) on a lifting table (71).
  • This lifting table (71) has in its table surface (73), for example, suction channels, which are connected to an evacuation port (72).
  • the carrier card (10) can cover individual of the suction channels after touchdown.
  • a clamping frame (74) which clamps the stretch film (40), which, for example, unwound from a drum (76), is available.
  • the stretch film (40) is e.g. a non-polar or weakly polarized polyethylene film with a thickness of 80 microns and an elongation at break of about 300%.
  • the area of the tenter frame (74) spanned by the stretch film (40) is here e.g. larger than the table surface (73) of the lifting table (71).
  • sealing elements not shown here are arranged at the inwardly facing surfaces of the clamping frame (74).
  • a heater (79) is arranged above the clamping frame (74). This is e.g. swung sideways.
  • stretch film (40) applies to the dispenser package (50) and to the label (20).
  • the dimple impressions (34) as inlet channels of the air.
  • a part of the air of the intermediate space (47) can also be sucked off around the carrier card (10).
  • the intermediate space (47) reduces to a residual space, cf. FIG. 4.
  • the stretch film (40) abuts the edge (51) of the dispenser package (50) and the label (20).
  • a joining surface (45) of the stretch film (40) contacts the gas-impermeable layer (23) of the label (20) coated with the adhesive seal layer (24), inter alia. in a joining surface (25).
  • This joining surface (25) of the label (20) is bounded inwardly by the bearing surface (26) of the piece goods (50) and outwardly by the space curve (38). When stretched, the stretch film (40) protrudes at least outwards beyond the joining surface (25).
  • the stretch film (40) is heated to about 80 ° C, for example.
  • the stretch film (40) for example, viscous properties and expands when lifting the lifting table (71) on the dispenser package (50) to reduce its wall thickness.
  • the stretch film (40) lies close to all free surfaces the dispenser package (50) and the label (20).
  • the heat-seal adhesive allows the stretch film (40) to be joined to the label (20).
  • the part of the stretch film (40) projecting beyond the joining surface (25) of the label (20) likewise bears against the label (20).
  • the stretch film (40) covers the bumps (30), the perforation (33), the openings (32) and / or the nubs (34).
  • the two adhering joining surfaces (25, 45) form a tight joint (48) and thus seal the dispenser package (50) against moisture or aroma loss.
  • the stretch film (40) freezes in the now adopted form on the carrier card (10).
  • the assembled and coated carrier card (10) is divided into individual, at least one dispenser package (50) contained packaging units.
  • Such a packed dispenser package (50) show in section and in a partial plan view Figures 4 and 5.
  • the carrier card (10) On the carrier card (10), the two-layer label (20) is applied.
  • the perforation (33) is arranged, for example, on a circular space curve (38).
  • the stretch film (40) fits tightly against the dispenser package (50) and with the joining surface (45) on the label (20). In this case, the stretch film (40) contacts the label (20) on both sides of the perforation (33).
  • the individual perforations (32) of the perforation (33) countersunk by dimple impressions (34), the stretch film (40) is pulled in.
  • the annular closed, sealed joining surface (25) Between the space curve (38) and the edge (51) of the dispenser package (50) is here the annular closed, sealed joining surface (25). It is shown hatched in FIG.
  • the stretch film (40) is pressed from above, while the carrier card (10) is held against its edges.
  • the carrier card (10) ruptures at the perforation (33) and allows according to Figure 4, a downward removal of the dispenser package (50).
  • the label (20) can also be constructed as a single layer. It can e.g. on the side facing away from the card (10) comprise an adhesive layer. A multilayer label (20) may e.g. also be produced on the carrier card (10).
  • the gas-impermeable layer (23) may be part of the label (20) and / or the carrier card (10).
  • a gas-impermeable carrier card (10) with a gas-permeable or gas-impermeable label (20) are combined.
  • the apertures (32) may e.g. in the case of a gas-permeable carrier card (10), only the label (20) or a gas-tight layer (23) of the label (20) which surrounds the joining surface (25). In the further processing and subsequent distribution then no breakthroughs are visible on the carrier card (10).
  • FIG. 3 shows apertures (32) arranged in this way. These penetrate the gas-impermeable layer (23) of the label (20) facing the dispenser package (50). In this case, the puncture created by the needle tip protrudes, for example, into the carrier card (10).
  • the openings (32) are arranged, for example, in a circumferential bead (35), which are produced with a forming tool (64) against a die as a counter-holder.
  • the carrier card (10) retains its flat underside.
  • the return stroke of the forming tool (64) with the needle (62) possibly generated frays remain in the space of the bead (35) and thus do not hinder the subsequent coating and joining.
  • the order of the method steps can be different.
  • the third method step (3), the perforation and possibly the notching can take place before or after the assembly (4).
  • a Noppung can also take place during the coating of the stretch film (40) on the carrier card (10).
  • the stretch film (40) can be deformed together with the label (20).

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Composite Materials (AREA)
  • Packages (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)
  • Wrappers (AREA)
  • Materials For Medical Uses (AREA)
  • Professional, Industrial, Or Sporting Protective Garments (AREA)

Abstract

The invention relates to a method for packaging piece-items in a disposable packaging, and to a disposable packaging. A labelled support card comprising at least one gas-impermeable layer is provided with at least one piece-item. The projected bearing surface of the piece-item and a joint surface of the labelled support card surrounding said bearing surface are smaller than the largest gas-impermeable layer. Openings are made around said joint surface along a closed three-dimensional curve, piercing at least all the gas-impermeable layers. The fitted support card is covered by a gas-impermeable extensible film. The space defined by the extensible film and the support card is evacuated by means of the openings. At least one joint surface of the extensible film enters into adhesive contact with at least one joint surface of the labelled support card, forming a sealed joint.

Description

Die Erfindung betrifft ein Verfahren zum Verpacken von Stückgütern in einer Einwegverpackung sowie eine Einwegverpackung.The invention relates to a method for packaging piece goods in a disposable packaging and a disposable packaging.

Für das Verpacken von Stückgütern in Einwegverpackungen werden häufig Trägerkarten oder sogenannte Skinkarten verwendet, die nach dem Bestücken mit einer Kunststofffolie überzogen werden. Das Überziehen der Folie erfolgt meist durch Streckformen einer fest eingespannten Dehnfolie. Beim Überziehen über das Stückgut auf der Trägerkarte wird die z.B. vorgeheizte Dehnfolie unter Änderung der Wandstärke gedehnt. Gleichzeitig wird der Zwischenraum zwischen der Dehnfolie und der Trägerkarte durch die luftdurchlässige Trägerkarte hindurch evakuiert, so dass sich die Dehnfolie eng an das Stückgut und an die Trägerkarte anlegt, vgl. u.a. WO 93/24374 A1. Die Dehnfolie und die z.B. mit einer Heißsiegelschicht beschichtete Trägerkarte kontaktieren sich mit jeweils einer Fügefläche. Aufgrund der Luftdurchlässigkeit der Trägerkarte können Feuchtigkeit oder Aromastoffe entweichen und das Stückgut austrocknen oder unbrauchbar machen. Genauso gut kann in die Einwegverpackung Feuchtigkeit eindringen und so die verpackte Ware schädigen.For the packaging of piece goods in disposable packaging carrier cards or so-called Skinkarten are often used, which are coated after loading with a plastic film. The coating of the film is usually done by stretch forming a firmly clamped stretch film. When coating over the cargo on the carrier card, for example, the preheated stretch film is stretched by changing the wall thickness. At the same time, the space between the stretch film and the carrier card is evacuated through the air-permeable carrier card, so that the stretch film fits snugly against the piece goods and the carrier card, cf. inter alia WO 93/24374 A1. The stretch film and the carrier card coated, for example, with a heat-sealing layer, each contact a joining surface. Due to the air permeability of the carrier card, moisture or aroma substances can escape and dry out or make the piece goods unusable. Moisture can penetrate the disposable packaging just as well, thus damaging the packaged goods.

In der FR 1.466.937 wird eine Verpackung und ein Verfahren zur Herstellung dieser Verpackung beschrieben. Bei der Herstellung wird eine Folie auf einen porösen Trägerkarton aufgeklebt, wobei diese untere Folie vor und nach dem Aufkleben auf ihrer ganzen Fläche perforiert wird. Nach der Bestückung des so vorbereiteten Trägerkartons wird eine weitere Folie unter Erwärmung über das zu verpackende Gut und den Trägerkarton gezogen. Diese obere Folie wird dann durch den Trägerkarton hindurch an das Verpackungsgut und die perforierte untere Folie angesaugt. Wegen der Perforation der unteren Folie und des Trägerkartons ist die Verpackung in allen Bereichen, in denen die obere Folie nicht auf der unteren Folie aufliegt - das ist zumindest in der Zone, in der das Gut liegt - gasdurchlässig und somit nicht aromadicht.FR 1,466,937 describes a package and a method of making this package. In the manufacture of a film is adhered to a porous carrier cardboard, this lower film is perforated before and after sticking on its entire surface. After the loading of the carrier cardboard prepared in this way, another film is drawn with heating over the product to be packaged and the carrier cardboard. This top film is then sucked through the carrier cardboard to the packaged product and the perforated bottom film. Because of the perforation of the lower film and the carrier carton packaging is in all areas where the upper film does not rest on the lower film - which is at least in the zone in which the estate is - permeable to gas and thus not aroma-tight.

Des Weiteren wird in der WO 00/78611 A2 ein Verfahren zur Herstellung einer Verpackung beschrieben, bei der eine luftundurchlässige untere Folie auf ein Trägermaterial aufgeklebt wird und eine weitere obere Folie unter Erhitzung über das zu verpackende Gut gezogen wird. Die Luft zwischen den beiden Folien wird an den Rändern der unteren Folie durch im Trägermaterial eingelassene Kanäle abgesaugt. Zur Verbesserung der Haftung in der Fügefläche verfügt dieses über Sicken, in die die Folien hineingezogen werden. Durch äußere Einflüsse, wie z.B. Temperatur oder Feuchtigkeit kann sich die Klebeverbindung zwischen den Folien lösen und Feuchtigkeit in den umschlossenen Raum eindringen.Furthermore, WO 00/78611 A2 describes a process for the production of a packaging in which an air-impermeable lower film is adhered to a carrier material and a further upper film is pulled under heating over the product to be packaged. The air between the two films is sucked at the edges of the lower film by channels embedded in the substrate. To improve the adhesion in the joining surface, this has beads, in which the films are pulled. External influences, such as temperature or humidity, can cause the adhesive bond between the films to dissipate and moisture to penetrate into the enclosed space.

Aus der US 3,481,101 A und der US 2,750,719 A sind jeweils ein Verfahren zur Herstellung von Skinverpackungen aus miteinander verbundenen Folien bekannt. Hierbei wird jeweils eine untere Folie, die außerhalb des Auflagebereichs eines Stückgutes perforiert ist, auf einen mit Absaugkanälen versehene Arbeitstisch der Absaugeinrichtung aufgelegt. Hiernach wird eine obere Folie aufgelegt. An die Unterseite des Arbeitstisches wird nun eine Evakuierungseinrichtung angeschlossen, die durch die Absaugkanäle des Arbeitstisches und die Perforation der unteren Folie hindurch Luft aus dem Zwischenraum zwischen den beiden Folien absaugt. Bei diesem Absaugen wird die untere Folie in die Bohrungen des Arbeitstisches hineingezogen, die von der Folie ganz oder teilweise verdeckt werden. An der Unterseite der unteren Folie werden noppenartige Auswölbungen erzeugt. Liegt eine Perforation der unteren Folie nicht unmittelbar über einem Absaugkanal des Arbeitstisches, kann durch diese Perforation hindurch die obere Folie nicht an die untere Folie angesaugt werden. Die Verbindung beider Folien weist eine Lücke auf, durch die z.B. Feuchtigkeit eindringen oder entweichen kann. Ein wirksamer Schutz des verpackten Stückgutes ist nicht gegeben.US Pat. No. 3,481,101 A and US Pat. No. 2,750,719 A each disclose a process for the production of skin packs from interconnected films. In this case, in each case a lower film, which is perforated outside the support area of a piece good, placed on a provided with Absaugkanälen working table of the suction. After this, an upper foil is applied. To the underside of the work table an evacuation device is now connected, which sucks air through the suction channels of the work table and the perforation of the lower film from the space between the two films. During this suction, the lower film is drawn into the holes of the work table, which are completely or partially covered by the film. On the underside of the lower film knob-like bulges are generated. If a perforation of the lower film is not directly above a suction channel of the work table, through this perforation, the upper film can not be sucked to the lower film. The compound of both films has a gap through which e.g. Moisture can penetrate or escape. An effective protection of the packaged cargo is not given.

Aus der GB 752 719 A ist ein Verpackungsyerfahren bekannt, bei dem die aus zwei Folien bestehende Skinverpackung an einer einzigen Arbeitsstation erzeugt wird. In den Absaugkanälen des Arbeitstisches sind Nadeln angeordnet, mit denen die auf dem Arbeitstisch aufliegende Folie perforiert wird. Die Absaugkanäle im Arbeitstisch und die Nadeln sind in Abhängigkeit der äußeren Geometrie des zu verpackenden Gutes anzuordnen. Wegen der hohen Durchführzeit an der Arbeitsstation und des aufwendigen Antriebs der Nadeln ist dieses Verfahren nur für spezielle Einwegverpackungen einsetzbar.From GB 752 719 A a Verpackungsyerfahren is known, in which the skin film consisting of two films is produced at a single workstation. In the suction channels of the work table needles are arranged, with which the lying on the work table film is perforated. The suction channels in the work table and the needles are to be arranged depending on the outer geometry of the goods to be packaged. Because of the high lead time at the workstation and the complex drive of the needles, this method can only be used for special disposable packaging.

Der vorliegenden Erfindung liegt daher die Problemstellung zugrunde, ein Verpackungsverfahren für eine Einwegverpackung sowie eine Einwegverpackung zu entwickeln, die einen guten Aroma- und Feuchtigkeitsschutz des Stückgutes bietet.The present invention is therefore based on the problem to develop a packaging method for a disposable packaging and a disposable packaging that offers good flavor and moisture protection of the piece goods.

Diese Problemstellung wird mit den Merkmalen der Ansprüche 1 und 10 gelöst. Dazu wird eine etikettierte Trägerkarte, die mindestens eine gasundurchlässige Schicht umfasst, mit mindestens einem Stückgut bestückt. Hierbei sind die projizierte Auflagefläche des Stückgutes auf der etikettierten Trägerkarte sowie eine diese umgebende Fügefläche der etikettierten Trägerkarte kleiner als die größte gasundurchlässige Schicht. Um die Fügefläche herum werden Durchbrüche entlang einer geschlossenen Raumkurve erzeugt, die zumindest alle gasundurchlässigen Schichten durchstoßen. Die bestückte Trägerkarte wird mit einer gasundurchlässigen Dehnfolie überzogen. Der durch die Dehnfolie und die Trägerkarte begrenzte Zwischenraum wird durch die Durchbrüche hindurch evakuiert. Die Dehnfolie kontaktiert festhaftend, eine dichte Fuge bildend, zumindest mit einer Fügefläche mit der Fügefläche der etikettierten Trägerkarte.This problem is solved with the features of claims 1 and 10. For this purpose, a labeled carrier card, which comprises at least one gas-impermeable layer, equipped with at least one piece goods. Here, the projected contact surface of the cargo on the labeled carrier card and a surrounding joining surface of the labeled carrier card are smaller than the largest gas-impermeable layer. Breakthroughs are created around the joining surface along a closed space curve that penetrates at least all the gas-impermeable layers. The stocked carrier card is covered with a gas-impermeable stretch film. The space defined by the stretch film and the carrier card is evacuated through the apertures. The stretch film contacted adhering, forming a tight joint, at least with a joining surface with the joining surface of the labeled carrier card.

Während des Evakuierens des Zwischenraumes zwischen der Dehnfolie und der Trägerkarte legt sich die Dehnfolie an das Etikett an. Die Luft wird aus der Fügefläche durch die Durchbrüche abgesaugt. Die Dehnfolie wird eng an die Fügefläche der etikettierten Trägerkarte angesaugt und haftet an dieser fest. Hierdurch bildet sie mit der etikettierten Trägerkarte eine dichte, das Stückgut umgebende Fuge. Beim diesem Fügen werden die Fügeflächen der Dehnfolie und des Etiketts miteinander versiegelt. Diese gleichmäßige Versiegelung rund um das Stückgut verhindert einen Austausch von Feuchtigkeit oder von Aromastoffen des Stückguts mit der Umgebung. Die Verpackung ist luftdicht.During evacuation of the gap between the stretch film and the carrier card, the stretch film attaches itself to the label. The air is sucked out of the joining surface through the openings. The stretch film is sucked close to the joining surface of the labeled carrier card and adheres to this firmly. As a result, it forms a dense, the piece goods surrounding gap with the labeled carrier card. In this joining, the joining surfaces of the stretch film and the label are sealed together. This uniform seal around the cargo prevents the exchange of moisture or flavorings of the piece goods with the environment. The packaging is airtight.

Die Durchbrüche, Unebenheiten der etikettierten Trägerkarte, können ggf. mit Senken bzw. Vertiefungen oder Erhebungen des Etiketts kombiniert sein. Hierbei durchstoßen die Durchbrüche zumindest alle gasundurchlässigen Schichten der etikettierten Trägerkarte. Sie können in regelmäßigen oder unregelmäßigen Abständen die Auflagefläche umgeben. Die Unebenheiten liegen hierbei auf einem ebenen oder räumlich gekrümmten, ggf. unstetigen Kurvenzug.The breakthroughs, unevenness of the labeled carrier card may possibly be combined with depressions or elevations or elevations of the label. In this case, the openings penetrate at least all the gas-impermeable layers of the labeled carrier card. You can surround the support surface at regular or irregular intervals. The unevenness here lies on a flat or spatially curved, possibly discontinuous curve.

Die Auflagefläche kann auch von einer durchgehenden bzw. endlosen Sicke oder Erhebung umgeben sein. Die Durchbrüche können als Perforation - mit z.B. äquidistanten Prägungen - angeordnet sein.The support surface can also be surrounded by a continuous or endless bead or survey. The apertures may be perforated - with e.g. equidistant imprints - be arranged.

Die Stückgüter können z.B. pharmazeutische Produkte oder Dosierspender sein, in denen pharmazeutische Produkte aufbewahrt sind. Die pharmazeutischen Produkte sind oft besonders gegen Feuchtigkeit, Aroma- und Wirkstoffverlust empfindlich. Die Versieglung der Fügeflächen in der Zone der Unebenheiten verhindert eine vorzeitige Alterung bzw. eine Beschädigung der Produkte und erhöht ihre Haltbarkeitsdauer.The piece goods can e.g. pharmaceutical products or dispensers in which pharmaceutical products are stored. The pharmaceutical products are often particularly sensitive to moisture, flavor and drug loss. The sealing of the joining surfaces in the zone of unevenness prevents premature aging or damage to the products and increases their shelf life.

Das Überziehen der Folie über die Trägerkarte kann in einem Streckformverfahren, beispielsweise in einem Skinverfahren, erfolgen. Hierbei wird beispielsweise die Dehnfolie unter Warmumformung an das Stückgut angelegt. Die einzelnen Stückguter werden dann in einer Skinverpackung verpackt.The coating of the film over the carrier card can take place in a stretch-forming process, for example in a skin method. In this case, for example, the stretch film is applied to the piece goods under hot forming. The individual piece goods are then packed in a skin package.

Das Etikett kann zur Präsentation des Produktes z.B. eine bedruckte Pappe oder Folie umfassen. Es kann ein- oder mehrschichtig aufgebaut sein. Hierbei kann beispielsweise die dem Stückgut zugewandte Seite des Etiketts eine feuchtigkeits- und aromadichte Folie aufweisen. Diese kann, z.B. um eine gute Lesbarkeit des Etiketts zu gewährleisten, eine klare, unpolare oder gering polarisierte Folie sein. Um ein Haften der Dehnfolie an einer derartigen Folie zu ermöglichen, wird auf diese beispielsweise ein Klebstoff, z.B. ein Haftsiegelschicht, aufgebracht. Aber auch der Einsatz einer polarisierten Folie ist denkbar.The label may include, for example, a printed cardboard or film for presenting the product. It can be constructed in one or more layers. Here, for example, the the General cargo facing side of the label have a moisture and aroma-tight film. This can, for example, to ensure good legibility of the label, be a clear, nonpolar or low polarized film. In order to allow the stretch film to adhere to such a film, an adhesive, for example an adhesive seal layer, is applied to it, for example. But even the use of a polarized film is conceivable.

Auch die Dehnfolie ist beispielsweise eine klare, unpolare oder gering polarisierte Folie.The stretch film, for example, a clear, non-polar or slightly polarized film.

Weitere Einzelheiten der Erfindung ergeben sich aus den Unteransprüchen und der nachfolgenden Beschreibung schematisch dargestellter Ausführungsformen.

Figur 1:
Verfahrensschritte zum Verpacken von Stückgütern;
Figur 2:
Detail der durchstechenden Nadelung;
Figur 3:
Detail der nicht durchstechenden Nadelung;
Figur 4:
Einwegverpackung von Stückgütern;
Figur 5:
Teil-Draufsicht auf Figur 4.
Further details of the invention will become apparent from the dependent claims and the following description of schematically illustrated embodiments.
FIG. 1:
Method steps for packaging piece goods;
FIG. 2:
Detail of piercing needling;
FIG. 3:
Detail of non-piercing needling;
FIG. 4:
Disposable packaging of general cargo;
FIG. 5:
Partial top view of Figure 4.

Die Figur 1 zeigt Verfahrensschritte zum Verpacken von Stückgütern in Einwegverpackungen. In einem ersten Schritt (1) wird ein Etikett (20) hergestellt, das in einem zweiten Schritt (2) auf eine Trägerkarte (10), z.B. einen Skinkarton aufgebracht wird. Beispielsweise nach diesem Etikettieren wird das Etikett (20) mit der Trägerkarte (10) in einem dritten Schritt (3) perforiert, bevor die einzelne Trägerkarte (10) in einem vierten Schritt (4) mit einem Stückgut (50), z.B. einer Spenderverpackung (50), bestückt wird. Die bestückte Trägerkarte (10) wird nun im fünften Schritt (5) mit einer Dehnfolie (40) überzogen.FIG. 1 shows method steps for packaging piece goods in disposable packaging. In a first step (1), a label (20) is produced, which in a second step (2) is applied to a carrier card (10), for example a skincarton. For example, after this labeling, the label (20) with the carrier card (10) in a third step (3) perforated before the individual carrier card (10) in a fourth step (4) with a piece goods (50), eg Dispenser package (50), is equipped. The populated carrier card (10) is now coated in the fifth step (5) with a stretch film (40).

Das - hier überhöht dargestellte - Etikett (20) ist beispielsweise zweischichtig aufgebaut. Zur Herstellung des Etiketts (20) wird z.B. auf ein Trägerband (29) eine einseitig selbstklebende Kunststofffolie (21) aufgebracht, wobei die Klebeseite (22) zum Trägerband (29) zeigt. Die Kunststofffolie (21) hat beispielsweise eine Stärke von 30 µm. Auf diese wird dann z.B. mittels Lösungsmittelkaschierung eine gasdichte Folie (23) aus unpolarem Kunststoff, z.B. eine Polyethylenfolie mit einer Stärke von 100 µm, aufgebracht. Letztere trägt auf ihrer der Kunststofffolie (21) abgewandten Seite beispielsweise eine Haftsiegelschicht (24), die z.B. durch Bestreichen mit einem Heißsiegelklebstoff erzeugt wurde.The - shown here excessive - label (20) is constructed, for example, two layers. To produce the label (20), e.g. on a carrier tape (29) a one-sided self-adhesive plastic film (21) applied, wherein the adhesive side (22) to the carrier tape (29) shows. The plastic film (21), for example, has a thickness of 30 microns. These are then applied to e.g. by means of solvent lamination, a gas-tight film (23) of nonpolar plastic, e.g. a polyethylene film with a thickness of 100 microns, applied. The latter carries on its side facing away from the plastic film (21), for example, an adhesive sealant layer (24), e.g. was created by brushing with a heat-seal adhesive.

Das so erzeugte Etikett (20) wird z.B. mittels des Trägerbandes (29) zum Etikettieren (2) gefördert. Hier wird das Etikett (20) vom Trägerband (29) entnommen und auf die beispielsweise gasdurchlässige Trägerkarte (10) aufgebracht. Nun klebt das Etikett (20) mit der selbstklebenden Seite (22) der Kunststofffolie (21) auf der Trägerkarte (10). Das Etikettieren (2) kann statisch oder dynamisch, d.h. bei stehender oder bei bewegter Trägerkarte (10) erfolgen. Ist das Etikett (20) rund und unbeschriftet, kann es omnidirektional auf der Trägerkarte (10) ausgerichtet sein, bei anderem Aufbau hat es eine oder mehrere Vorzugsrichtungen.The label (20) thus produced is e.g. by means of the carrier tape (29) for labeling (2) promoted. Here, the label (20) is removed from the carrier tape (29) and applied to the example gas-permeable carrier card (10). Now stick the label (20) with the self-adhesive side (22) of the plastic film (21) on the carrier card (10). Labeling (2) may be static or dynamic, i. be done with stationary or moving carrier card (10). If the label (20) is round and unlabeled, it may be aligned omnidirectionally on the carrier card (10), in another structure it has one or more preferred directions.

Im nächsten Verfahrensschritt (3) werden die Etiketten (20) mit den Karten (10) in einer vorgegebenen Zone, außerhalb der späteren Auflagefläche (26) des Stückgutes (50), perforiert. Beim Perforieren werden auf einer, die spätere Auflagefläche (26) umgebenden geschlossenen Raumkurve (38), vgl. Figur 5, in regelmäßigen Abständen Durchbrüche (32) erzeugt. Hierbei beträgt der Abstand der Raumkurve (38) zur Auflagefläche (26) z.B. mindestens 2 mm, ggf. etwa 3 mm. Die Figur 2 zeigt diesen Schritt vergrößert. Die Werkzeuge (60) hierfür sind z.B. 36 Trennwerkzeuge in Form einzelner Nadeln (62), die beispielsweise über einen gemeinsamen Hub- Schwenk- und/oder Verfahrmechanismus (63) angetrieben werden. Diese Nadeln (62) haben beispielsweise einen Durchmesser von 1,5 mm und einen Spitzenwinkel von 22°. Die Länge der Spitze beträgt somit etwa 4 mm. Bei diesem Nadeln entstehen im Etikett (20) und in der Trägerkarte (10) viele Durchbrüche (32), die sich beispielsweise von oben nach unten verjüngen. Das einzelne Werkzeug (60) umfasst z.B. jeweils ein um jede einzelne Nadel (62) herum angeordnetes Umformwerkzeug, beispielsweise einzelne Noppen (64) mit einem Durchmesser von 15 mm. Während des Nadelhubes kommen die Noppen (64) kurz vor Erreichen der unteren Endlage in Eingriff mit dem Etikett (20). Sie senken dieses z.B. um etwa 0,4 mm ein. Die Durchbrüche (32) und die Noppenabdrücke (34) sind Unebenheiten (30) der Oberfläche des Etiketts (20).In the next method step (3), the labels (20) are perforated with the cards (10) in a predetermined zone, outside the later support surface (26) of the piece goods (50). During perforation, on a closed space curve (38) surrounding the later contact surface (26), cf. figure 5, generated at regular intervals breakthroughs (32). Here, the distance of the space curve (38) to the support surface (26), for example, at least 2 mm, possibly about 3 mm. FIG. 2 shows this step enlarged. The tools (60) for this purpose are, for example, 36 separating tools in the form of individual needles (62) which are driven, for example, via a common lifting, swiveling and / or moving mechanism (63). These needles (62), for example, have a diameter of 1.5 mm and a point angle of 22 °. The length of the tip is thus about 4 mm. In this needles arise in the label (20) and in the carrier card (10) many breakthroughs (32), which taper, for example, from top to bottom. The individual tool (60) comprises, for example, in each case a forming tool arranged around each individual needle (62), for example individual knobs (64) with a diameter of 15 mm. During the needle stroke, the nubs (64) come into engagement with the label (20) shortly before reaching the lower end position. You lower this, for example, by about 0.4 mm. The apertures (32) and the dimple impressions (34) are unevennesses (30) of the surface of the label (20).

Die Durchbrüche (32) können auch zylindrisch oder mit einer anderen geometrischen Form ausgebildet sein. Die Durchbrüche (32) oder Ansenkungen können statt mit einer Nadel (62) auch mit einem anderen Umform- und/oder Trennwerkzeug (60) erzeugt werden. Das einzelne Trennwerkzeug (62) kann z.B. auch ein Messer sein, mit dem Durchbrüche (32) erzeugt werden. Statt einer Perforation (33) können auch einzelne diskrete Durchbrüche (32), ggf. mit Ansenkungen, bewirkt werden.The openings (32) may also be cylindrical or formed with another geometric shape. The breakthroughs (32) or countersinks can be produced instead of a needle (62) with another forming and / or cutting tool (60). The single severing tool (62) may e.g. also be a knife, are produced with the openings (32). Instead of a perforation (33) and individual discrete openings (32), possibly with countersinks, can be effected.

Die durch ein Umformwerkzeug (64) erzeugten Unebenheiten (30) des Etiketts (20) können z.B. konkav oder konvex sein. Das Umformwerkzeug (64) kann die Oberfläche des Etiketts (20) frei oder z.B. mit einer Matrize formen. Die Unebenheit (30) kann z.B. eine entlang der Raumkurve (38) verlaufende, kanalartige Sicke (35) sein, die die Durchbrüche (32) tangiert oder schneidet, vgl. Figur 5, dritter Quadrant.The unevennesses (30) of the label (20) produced by a forming tool (64) can be, for example, concave or convex. The forming tool (64) can form the surface of the label (20) freely or eg with a die. The unevenness (30) can For example, a channel-like beading (35) extending along the space curve (38) and tangent to or intersecting the openings (32), cf. Figure 5, third quadrant.

Bei der Bestückung der Trägerkarte (10), vgl. Figur 1, wird beispielsweise eine einzelne Spenderverpackung (50) auf ein Etikett (20) aufgesetzt. Die Spenderverpackung (50) liegt dann beispielsweise flächig auf der Auflagefläche (26), innerhalb der Perforation (33), auf.When loading the carrier card (10), cf. 1, for example, a single dispenser package (50) is placed on a label (20). The dispenser package (50) is then, for example, flat on the support surface (26), within the perforation (33) on.

Die so bestückte Trägerkarte (10) wird im nächsten Bearbeitungsschritt (5) auf einen Hubtisch (71) aufgesetzt. Dieser Hubtisch (71) hat in seiner Tischfläche (73) beispielsweise Absaugkanäle, die mit einem Evakuierungsanschluss (72) verbunden sind. Die Trägerkarte (10) kann nach dem Aufsetzen einzelne der Absaugkanäle verdecken.The so-equipped carrier card (10) is placed in the next processing step (5) on a lifting table (71). This lifting table (71) has in its table surface (73), for example, suction channels, which are connected to an evacuation port (72). The carrier card (10) can cover individual of the suction channels after touchdown.

Oberhalb des Hubtisches (71) ist ein Spannrahmen (74) angeordnet, der die Dehnfolie (40) spannt, die, beispielsweise von einer Trommel (76) abgewickelt, zur Verfügung steht. Die Dehnfolie (40) ist z.B. eine unpolare oder schwach polarisierte Polyethylenfolie mit einer Stärke von 80 µm und einer Bruchdehnung von etwa 300%. Die von der Dehnfolie (40) überspannte Fläche des Spannrahmens (74) ist hier z.B. größer als die Tischfläche (73) des Hubtisches (71). An den nach innen gerichteten Flächen des Spannrahmens (74) sind beispielsweise hier nicht dargestellte Dichtelemente angeordnet.Above the lifting table (71), a clamping frame (74) is arranged, which clamps the stretch film (40), which, for example, unwound from a drum (76), is available. The stretch film (40) is e.g. a non-polar or weakly polarized polyethylene film with a thickness of 80 microns and an elongation at break of about 300%. The area of the tenter frame (74) spanned by the stretch film (40) is here e.g. larger than the table surface (73) of the lifting table (71). At the inwardly facing surfaces of the clamping frame (74), for example, sealing elements not shown here are arranged.

Oberhalb des Spannrahmens (74) ist eine Heizung (79) angeordnet. Diese ist z.B. seitlich wegschwenkbar.Above the clamping frame (74), a heater (79) is arranged. This is e.g. swung sideways.

Zum Überziehen der Dehnfolie (40) über die Trägerkarte (10) wird der Hubtisch (71) angehoben, bis der Spannrahmen (74) den Hubtisch (71) gasdicht umschließt. Nun wird eine an den Evakuierungsanschluss (72) angeschlossene Evakuierungspumpe eingeschaltet. Auf der zur Heizung (79) orientierten Seite der Dehnfolie (40) herrscht weiterhin der Umgebungsdruck, während in dem durch die Dehnfolie (40) und die Trägerkarte (10) begrenzten Zwischenraum (47) der Druck vermindert wird.To coat the stretch film (40) on the carrier card (10) of the lifting table (71) is raised until the clamping frame (74) surrounds the lifting table (71) gas-tight. Now, one to the evacuation port (72) connected evacuation pump switched on. The ambient pressure remains prevailing on the side of the stretch film (40) oriented toward the heating (79), while the pressure in the intermediate space (47) delimited by the stretch film (40) and the carrier card (10) is reduced.

Hierbei legt sich die Dehnfolie (40) an die Spenderverpackung (50) und an das Etikett (20) an.Here, the stretch film (40) applies to the dispenser package (50) and to the label (20).

Die Luft aus dem Zwischenraum (47) zwischen der Trägerkarte (10) und der Dehnfolie (40), vgl. Figur 4, wird durch die gasdurchlässige Trägerkarte (10) und durch die Durchbrüche (32) abgesaugt. Hierbei wirken z.B. die Noppenabdrücke (34) als Einlaufkanäle der Luft. Ein Teil der Luft des Zwischenraumes (47) kann auch um die Trägerkarte (10) herum abgesaugt werden. Der Zwischenraum (47) verringert sich zu einem Restraum, vgl. Figur 4. Die Dehnfolie (40) legt sich an den Rand (51) der Spenderverpackung (50) und an das Etikett (20) an. Hierbei kontaktiert eine Fügefläche (45) der Dehnfolie (40) die mit der Haftsiegelschicht (24) beschichte gasundurchlässige Schicht (23) des Etiketts (20) u.a. in einer Fügefläche (25). Diese Fügefläche (25) des Etiketts (20) wird nach innen begrenzt durch die Auflagefläche (26) des Stückgutes (50) und nach außen hin durch die Raumkurve (38). Die Dehnfolie (40) steht beim Anlegen zumindest nach außen über die Fügefläche (25) über.The air from the gap (47) between the carrier card (10) and the stretch film (40), see. 4, is sucked through the gas-permeable carrier card (10) and through the openings (32). Here, e.g. the dimple impressions (34) as inlet channels of the air. A part of the air of the intermediate space (47) can also be sucked off around the carrier card (10). The intermediate space (47) reduces to a residual space, cf. FIG. 4. The stretch film (40) abuts the edge (51) of the dispenser package (50) and the label (20). In this case, a joining surface (45) of the stretch film (40) contacts the gas-impermeable layer (23) of the label (20) coated with the adhesive seal layer (24), inter alia. in a joining surface (25). This joining surface (25) of the label (20) is bounded inwardly by the bearing surface (26) of the piece goods (50) and outwardly by the space curve (38). When stretched, the stretch film (40) protrudes at least outwards beyond the joining surface (25).

Mittels der Heizung (79) wird die Dehnfolie (40) z.B. auf etwa 80°C aufgeheizt. In diesem Temperaturbereich hat die Dehnfolie (40) beispielsweise viskose Eigenschaften und dehnt sich beim Anheben des Hubtisches (71) über der Spenderverpackung (50) unter Verringerung ihrer Wandstärke. Beim weiteren Anheben des Hubtisches (71) sowie bei weiterem Absaugen der Luft, legt sich die Dehnfolie (40) eng an alle freien Flächen der Spenderverpackung (50) und an das Etikett (20) an. Unter der Einwirkung der Heizung ermöglicht der Heißsiegelklebstoff ein Fügen der Dehnfolie (40) mit dem Etikett (20). Durch das Absaugen wird die Dehnfolie (40) ganzflächig an die Fügefläche (25) des Etiketts (20) angezogen und haftet an dieser. Der über die Fügefläche (25) des Etiketts (20) überstehende Teil der Dehnfolie (40) legt sich ebenfalls an das Etikett (20) an. So überdeckt die Dehnfolie (40) die Unebenheiten (30), die Perforation (33), die Durchbrüche (32) und/oder die Noppen (34). Die beiden aufeinander haftenden Fügeflächen (25, 45) bilden eine dichte Fuge (48) und versiegeln so die Spenderverpackung (50) gegen Feuchtigkeit oder Aromaverlust. Nach dem Abschalten oder Wegschwenken der Heizung (79) erstarrt die Dehnfolie (40) in der nun eingenommenen Form auf der Trägerkarte (10).By means of the heater (79), the stretch film (40) is heated to about 80 ° C, for example. In this temperature range, the stretch film (40), for example, viscous properties and expands when lifting the lifting table (71) on the dispenser package (50) to reduce its wall thickness. Upon further lifting of the lifting table (71) as well as on further suction of the air, the stretch film (40) lies close to all free surfaces the dispenser package (50) and the label (20). Under the influence of the heating, the heat-seal adhesive allows the stretch film (40) to be joined to the label (20). By sucking the stretch film (40) over the entire surface of the joining surface (25) of the label (20) attracted and adheres to this. The part of the stretch film (40) projecting beyond the joining surface (25) of the label (20) likewise bears against the label (20). Thus, the stretch film (40) covers the bumps (30), the perforation (33), the openings (32) and / or the nubs (34). The two adhering joining surfaces (25, 45) form a tight joint (48) and thus seal the dispenser package (50) against moisture or aroma loss. After switching off or swinging away the heater (79), the stretch film (40) freezes in the now adopted form on the carrier card (10).

In einem weiteren, hier nicht dargestellten Bearbeitungsschritt wird die bestückte und beschichtete Trägerkarte (10) in einzelne, je mindestens eine Spenderverpackung (50) enthaltene Verpackungseinheiten aufgeteilt.In a further, not shown here processing step, the assembled and coated carrier card (10) is divided into individual, at least one dispenser package (50) contained packaging units.

Eine derart verpackte Spenderverpackung (50) zeigen im Schnitt und in einer Teil-Draufsicht die Figuren 4 und 5. Auf der Trägerkarte (10) ist das zweischichtige Etikett (20) aufgebracht. Außerhalb der auf die Trägerkarte (10) projizierte Auflagefläche (26) der Spenderverpackung (50) ist die Perforation (33) beispielsweise auf einer kreisförmigen Raumkurve (38) angeordnet. Die Dehnfolie (40) liegt eng an der Spenderverpackung (50) und mit der Fügefläche (45) am Etikett (20) an. Hierbei kontaktiert die Dehnfolie (40) beidseitig der Perforation (33) das Etikett (20). In den einzelnen durch Noppenabdrücke (34) angesenkten Durchbrüchen (32) der Perforation (33) ist die Dehnfolie (40) hineingezogen. Zwischen der Raumkurve (38) und dem Rand (51) der Spenderverpackung (50) befindet sich die hier ringförmig geschlossene, versiegelte Fügefläche (25). Sie ist in Figur 5 schraffiert dargestellt.Such a packed dispenser package (50) show in section and in a partial plan view Figures 4 and 5. On the carrier card (10), the two-layer label (20) is applied. Outside the contact surface (26) of the dispenser package (50) projected onto the carrier card (10), the perforation (33) is arranged, for example, on a circular space curve (38). The stretch film (40) fits tightly against the dispenser package (50) and with the joining surface (45) on the label (20). In this case, the stretch film (40) contacts the label (20) on both sides of the perforation (33). In the individual perforations (32) of the perforation (33) countersunk by dimple impressions (34), the stretch film (40) is pulled in. Between the space curve (38) and the edge (51) of the dispenser package (50) is here the annular closed, sealed joining surface (25). It is shown hatched in FIG.

Zum Öffnen der Verpackungseinheit wird beispielsweise im Bereich der Spenderverpackung (50) von oben auf die Dehnfolie (40) gedrückt, während die Trägerkarte (10) an ihren Rändern gegengehalten wird. Die Trägerkarte (10) reißt an der Perforation (33) auf und ermöglicht nach Figur 4 eine nach unten gerichtete Entnahme der Spenderverpackung (50).To open the packaging unit, for example, in the area of the dispenser package (50), the stretch film (40) is pressed from above, while the carrier card (10) is held against its edges. The carrier card (10) ruptures at the perforation (33) and allows according to Figure 4, a downward removal of the dispenser package (50).

Das Etikett (20) kann auch einschichtig aufgebaut sein. Es kann z.B. auf der der Karte (10) abgewandten Seite eine Haftschicht umfassen. Ein mehrschichtiges Etikett (20) kann z.B. auch auf der Trägerkarte (10) hergestellt werden.The label (20) can also be constructed as a single layer. It can e.g. on the side facing away from the card (10) comprise an adhesive layer. A multilayer label (20) may e.g. also be produced on the carrier card (10).

Die gasundurchlässige Schicht (23) kann Teil des Etiketts (20) und/oder der Trägerkarte (10) sein. So kann z.B. eine gasundurchlässige Trägerkarte (10) mit einem gasdurchlässigen oder gasundurchlässigem Etikett (20) kombiniert werden.The gas-impermeable layer (23) may be part of the label (20) and / or the carrier card (10). Thus, e.g. a gas-impermeable carrier card (10) with a gas-permeable or gas-impermeable label (20) are combined.

Die Durchbrüche (32) können z.B. bei einer gasdurchlässigen Trägerkarte (10) nur das Etikett (20) oder eine die Fügefläche (25) umfassende gasdichte Schicht (23) des Etiketts (20) durchbrechen. Bei der weiteren Verarbeitung und dem späteren Vertrieb sind dann auf der Trägerkarte (10) keine Durchbrüche sichtbar.The apertures (32) may e.g. in the case of a gas-permeable carrier card (10), only the label (20) or a gas-tight layer (23) of the label (20) which surrounds the joining surface (25). In the further processing and subsequent distribution then no breakthroughs are visible on the carrier card (10).

Die Figur 3 zeigt derart angeordnete Durchbrüche (32). Diese durchdringen die gasundurchlässige, der Spenderverpackung (50) zugewandte Schicht (23) des Etiketts (20). Hierbei ragt der durch die Nadelspitze erzeugte Einstich beispielsweise bis in die Trägerkarte (10). Die Durchbrüche (32) sind z.B. in einer umlaufenden Sicke (35) angeordnet, die mit einem Umformwerkzeug (64) gegen eine Matrize als Gegenhalter erzeugt werden.FIG. 3 shows apertures (32) arranged in this way. These penetrate the gas-impermeable layer (23) of the label (20) facing the dispenser package (50). In this case, the puncture created by the needle tip protrudes, for example, into the carrier card (10). The openings (32) are arranged, for example, in a circumferential bead (35), which are produced with a forming tool (64) against a die as a counter-holder.

Hierdurch behält die Trägerkarte (10) ihre ebene Unterseite. Beim Rückhub des Umformwerkzeugs (64) mit der Nadel (62) ggf. erzeugten Ausfransungen bleiben im Raum der Sicke (35) und behindern somit nicht das nachfolgende Beschichten und Fügen.As a result, the carrier card (10) retains its flat underside. When the return stroke of the forming tool (64) with the needle (62) possibly generated frays remain in the space of the bead (35) and thus do not hinder the subsequent coating and joining.

Die Reihenfolge der Verfahrensschritte kann unterschiedlich sein. So kann z.B. der hier dritte Verfahrensschritt (3), die Perforation und ggf. die Noppung, vor oder nach der Bestückung (4) erfolgen. Eine Noppung kann auch noch während des Überziehens der Dehnfolie (40) über die Trägerkarte (10) erfolgen. Hierbei kann auch die Dehnfolie (40) zusammen mit dem Etikett (20) verformt werden.The order of the method steps can be different. Thus, for example, the third method step (3), the perforation and possibly the notching, can take place before or after the assembly (4). A Noppung can also take place during the coating of the stretch film (40) on the carrier card (10). In this case, the stretch film (40) can be deformed together with the label (20).

Bezugszeichenliste:

1
erster Verfahrensschritt
2
zweiter Verfahrensschritt
3
dritter Verfahrensschritt
4
vierter Verfahrensschritt
5
fünfter Verfahrensschritt
10
Trägerkarte
20
Etikett
21
einseitig klebende Kunststofffolie
22
Klebeseite
23
gasdichte Folie, Polyethylenfolie, gasundurchlässige Folie
24
Haftsiegelschicht
25
Fügefläche
26
Auflagefläche
29
Trägerband
30
Unebenheiten
32
Durchbrüche
33
Perforation
34
Noppenabdrücke
35
Sicke
38
Raumkurve
40
Dehnfolie, dehnbare Folie, gasdichte Folie
45
Fügefläche
47
Zwischenraum, Restraum
48
Siegelungsfläche, dichtend; Dichtzone; Fuge
50
Stückgut, Spenderpackung
51
Rand des Stückgutes
60
Umform- und/oder Trennwerkzeuge
62
Nadeln, Trennwerkzeug
63
Hub-, Schwenk- und/oder Verfahrmechanismus
64
Noppen, Umformwerkzeug
71
Hubtisch
72
Evakuierungsanschluss, Sauganschluss
73
Tischfläche
74
Spannrahmen
76
Trommel
77
Spannrolle
79
Heizung
LIST OF REFERENCE NUMBERS
1
first process step
2
second process step
3
third process step
4
fourth process step
5
fifth process step
10
carrier card
20
label
21
one-sided adhesive plastic film
22
adhesive side
23
gas-tight foil, polyethylene foil, gas-impermeable foil
24
Adhesive sealing layer
25
joining surface
26
bearing surface
29
carrier tape
30
bumps
32
breakthroughs
33
perforation
34
knobs impressions
35
Beading
38
space curve
40
Stretch film, stretchable film, gas-tight film
45
joining surface
47
Gap, rest room
48
Sealing surface, sealing; Sealing zone; Gap
50
General cargo, dispenser pack
51
Edge of the piece goods
60
Forming and / or cutting tools
62
Needles, cutting tool
63
Lifting, swiveling and / or traveling mechanism
64
Knobs, forming tool
71
Lift table
72
Evacuation connection, suction connection
73
table top
74
tenter
76
drum
77
idler
79
heater

Claims (16)

  1. Method for packing piece items in a disposable pack,
    - a support card (10), labelled with a label 20, which comprises at least one gas-impermeable layer (23), being provided with at least one piece item (50),
    - the projected bearing surface (26) of the piece item (50) on the labelled support card (10) and a joining surface (25) of the labelled support card (10) surrounding said bearing surface being smaller than the largest gas-impermeable layer (23),
    - openings (32) which pierce at least all the gas-impermeable layers (23) being produced around the joining surface (25) along a closed three-dimensional curve (38),
    - the support card (10) provided with the item being covered with a gas-impermeable extensible film (40),
    - the intermediate space (47) delimited by the extensible film (40) and the support card (10) being evacuated through the openings (32), and
    - at least one joining surface (45) of the extensible film (40) entering into firm adhesive contact with the joining surface (25) of the labelled support card (10), forming a sealed joint (48).
  2. Method according to Claim 1, characterized in that the gas-impermeable layer (23) of the labelled support card (10) is the layer facing the piece item (50).
  3. Method according to Claim 1, characterized in that the openings (32) produced penetrate the label (20) and the support card (10).
  4. Method according to Claim 3, characterized in that the openings (32) are produced in the form of a perforation (33).
  5. Method according to Claim 1, characterized in that unevennesses (30) of the label (20) are produced in the region of the three-dimensional curve (38) by means of forming tools (64).
  6. Method according to Claim 1, characterized in that, before the joining, the label (20) is provided with an adhesive sealing layer (24).
  7. Method according to Claim 3, characterized in that the openings (32) are conically formed, the individual opening (32) having the greater diameter on the side of the label (20).
  8. Method according to Claim 3, characterized in that the openings (32) are sunken as impressions.
  9. Method according to Claim 1, characterized in that the extensible film (40) is a polyethylene film.
  10. Disposable pack of piece items,
    - which comprises a support card (10) labelled with a label (20) with at least one gas-impermeable layer (23) and also a gas-impermeable extensible film (40) lying against the piece item (50) and against the labelled support card (10),
    - the bearing surface (26) projected onto the labelled support card (10) and a joining surface (25) surrounding said bearing surface being smaller than the largest gas-impermeable layer (23),
    - openings which pierce at least all the gas-impermeable layers (23) being arranged around the joining surface (25) along a closed three-dimensional curve (38),
    - at least one joining surface (45) of the extensible film (40) entering into firm adhesive contact with the joining surface (25) of the labelled support card (10), forming a sealed joint.
  11. Disposable pack according to Claim 10, characterized in that the label (20) comprises a single-sided self-adhesive film of plastic (21), the self-adhesive side (22) facing the support card (10).
  12. Disposable pack according to Claim 11, characterized in that the label (20) comprises a gastight film (23), which is laminated at least approximately over the entire surface area on the side of the self-adhesive film of plastic (21) that is facing away from the support card (10).
  13. Disposable pack according to Claim 10, characterized in that at least the side of the label (20) that is facing away from the support card (10) is provided with an adhesive sealing layer (24).
  14. Disposable pack according to Claim 12, characterized in that the gastight films (23, 40) are non-polar polyethylene films.
  15. Disposable pack according to Claim 10, characterized in that the individual opening (32) tapers toward the support card (10).
  16. Disposable pack according to Claim 10, characterized in that an endless bead (35) along the three-dimensional curve (38) forms a tangent to or intersects the openings (32).
EP03737267A 2002-02-06 2003-01-23 Airtight skin packaging with water-vapour impermeability and aroma protection Expired - Lifetime EP1472141B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SI200330213T SI1472141T1 (en) 2002-02-06 2003-01-23 Airtight skin packaging with water-vapour impermeability and aroma protection

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10204675 2002-02-06
DE10204675A DE10204675A1 (en) 2002-02-06 2002-02-06 Airtight skin packaging with high water vapor impermeability and aroma protection
PCT/EP2003/000657 WO2003066439A1 (en) 2002-02-06 2003-01-23 Airtight skin packaging with water-vapour impermeability and aroma protection

Publications (2)

Publication Number Publication Date
EP1472141A1 EP1472141A1 (en) 2004-11-03
EP1472141B1 true EP1472141B1 (en) 2006-01-04

Family

ID=27588364

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03737267A Expired - Lifetime EP1472141B1 (en) 2002-02-06 2003-01-23 Airtight skin packaging with water-vapour impermeability and aroma protection

Country Status (11)

Country Link
US (1) US7523826B2 (en)
EP (1) EP1472141B1 (en)
JP (1) JP4241386B2 (en)
KR (1) KR100946027B1 (en)
AT (1) ATE314968T1 (en)
AU (1) AU2003215544A1 (en)
DE (2) DE10204675A1 (en)
DK (1) DK1472141T3 (en)
ES (1) ES2253686T3 (en)
PT (1) PT1472141E (en)
WO (1) WO2003066439A1 (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011114309B4 (en) * 2011-09-23 2019-03-07 Kartonveredlung Knapp GmbH Arrangement with at least one object to be packaged and a transport packaging and manufacturing method thereof
JPWO2014010338A1 (en) * 2012-07-11 2016-06-20 株式会社フジシールインターナショナル Skin pack mount and skin pack package
DE102019200944A1 (en) * 2019-01-25 2020-07-30 Multivac Sepp Haggenmüller Se & Co. Kg Recyclable packaging with forced separation

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2750719A (en) * 1952-04-21 1956-06-19 Ind Radiant Heat Corp Packaging method
GB752719A (en) 1953-07-24 1956-07-11 Hydro Chemie Ag Fur Chemie Und Method of and device for packaging articles in, or producing hollow articles from, foils
US3358829A (en) * 1966-01-05 1967-12-19 Packaging Specialists Inc Skin package and method of forming same
FR1466937A (en) * 1966-02-03 1967-01-20 Packaging and its manufacturing process
US3523863A (en) * 1966-11-09 1970-08-11 Beckman Instruments Inc Drying and preservation of electrophoresis gel films
US3481101A (en) * 1967-03-27 1969-12-02 Young William E Method of making hermetically sealed skin packages
US3464544A (en) * 1968-01-26 1969-09-02 Coast Carton Corp Package
JPS59199461A (en) * 1983-04-23 1984-11-12 テルモ株式会社 Packing vessel
JPS6013612A (en) 1983-06-21 1985-01-24 スピ−マ−株式会社 Method of packing condom pack
US5178293A (en) * 1986-04-08 1993-01-12 Idemitsu Petrochemical Co., Ltd. Easily-openable packaging container
DK170527B1 (en) * 1992-05-29 1995-10-16 Team Pack V Johannes Rasmussen Method and apparatus for producing skin packing and such skin packing
US5775505A (en) * 1996-02-27 1998-07-07 Vasquez; William M. Blister card package
US5833071A (en) * 1997-07-02 1998-11-10 Fuisz Technologies Ltd. Puncturable entry-resistant package for low density tablets
FR2795046B1 (en) * 1999-06-21 2001-09-07 Rb3I METHOD FOR PACKAGING OBJECT USING THERMOPLASTIC SHEETS

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WO2003066439A1 (en) 2003-08-14
KR100946027B1 (en) 2010-03-09
JP4241386B2 (en) 2009-03-18
DE50302128D1 (en) 2006-03-30
EP1472141A1 (en) 2004-11-03
KR20040083436A (en) 2004-10-01
ATE314968T1 (en) 2006-02-15
US7523826B2 (en) 2009-04-28
JP2005516855A (en) 2005-06-09
US20050145526A1 (en) 2005-07-07
DE10204675A1 (en) 2003-08-14
PT1472141E (en) 2006-05-31
DK1472141T3 (en) 2006-05-22
ES2253686T3 (en) 2006-06-01
AU2003215544A1 (en) 2003-09-02

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