EP1352733A1 - Device for heating the closing flaps of a cardboard box - Google Patents
Device for heating the closing flaps of a cardboard box Download PDFInfo
- Publication number
- EP1352733A1 EP1352733A1 EP03004407A EP03004407A EP1352733A1 EP 1352733 A1 EP1352733 A1 EP 1352733A1 EP 03004407 A EP03004407 A EP 03004407A EP 03004407 A EP03004407 A EP 03004407A EP 1352733 A1 EP1352733 A1 EP 1352733A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- heating nozzle
- heating
- nozzle
- air outlet
- outlet 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.)
- Granted
Links
- 238000010438 heat treatment Methods 0.000 title claims abstract description 34
- 238000012856 packing Methods 0.000 claims description 21
- 238000007789 sealing Methods 0.000 claims description 9
- 239000002131 composite material Substances 0.000 claims description 6
- 238000000465 moulding Methods 0.000 claims description 4
- 235000013361 beverage Nutrition 0.000 claims description 2
- 230000004913 activation Effects 0.000 abstract description 14
- 238000000034 method Methods 0.000 abstract description 5
- 239000000463 material Substances 0.000 abstract description 3
- 239000003566 sealing material Substances 0.000 abstract 1
- 238000001994 activation Methods 0.000 description 14
- 238000013461 design Methods 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000011888 foil Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000009189 diving Effects 0.000 description 1
- 230000002779 inactivation Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 239000005022 packaging material Substances 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
Images
Classifications
-
- 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
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B51/00—Devices for, or methods of, sealing or securing package folds or closures; Devices for gathering or twisting wrappers, or necks of bags
- B65B51/10—Applying or generating heat or pressure or combinations thereof
- B65B51/20—Applying or generating heat or pressure or combinations thereof by fluid pressure acting directly on folds or on opposed surfaces, e.g. using hot-air jets
-
- 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
- B31B50/741—Moistening; Drying; Cooling; Heating; Sterilizing
Definitions
- the invention relates to a device for closing of the bottom of unfolded from packing coats Composite packs, in particular beverage packs, wherein the device is a clocked mandrel wheel and a Floor molding machine with a bottom mold stamp, a Air outlet openings having Schudüse and Facilities for finishing and sealing of the Packing bottom, wherein the heating nozzle more having interconnected boxes and a lid.
- EP-A1 0 661 211 a method and a Device for sealing packages out Composite known, wherein by activation of the Adhesive surfaces with hot air the cover and the bottom is closed by pressure gluing. The hot air will blown through small holes on the activation surfaces.
- the heater in which the holes are formed consists of an inner and an outer radiator, between which the enclosing packing is used.
- the inner Radiator arranged oscillating. He can around the longitudinal and the transverse axis of the device during inflation the hot air are oscillated.
- thermoplastic adhesive material Another closing device for containers with a Closure of thermoplastic adhesive material is known from DE-AS 15 11 573, wherein the heating nozzle also alternately a rest and a Working position can, in order to, evenly to the beat of the mandrel wheel, the area of the to be sealed Activate packing bottom.
- the Air outlet openings punctiform or slot-shaped educated.
- the heating nozzle for a remains certain period of time inside the unfolded Pack casing.
- the invention is therefore based on the object, a Device of the aforementioned and previously closer to design and develop the described way that a structurally simple construction of the used Heating nozzle is made possible without compromising on the quality of the Seal to dispense.
- the solution of the problem is that the heating nozzle several interconnected boxes and a lid having.
- the device according to the invention has such a structurally extremely simple structure and is therefore particularly inexpensive to produce and - by their Modular construction - able to change over in a short time Disassembled and reassembled for maintenance purposes become.
- the heating nozzle is unfolded over the bottom area of the Packing mantle moves and activation takes place while diving in and out of the Pack casing.
- the heating nozzle can thereby the floor area inside and / or outside of the Packing mantle be activated. That way is to achieve a particularly good activation, since the Activation on the one hand shortly before the further movement of the Mandrel wheel into the deformation station.
- the air outlet openings as holes and / or slots are executed. Preference is given here the slots in the corners of the heating nozzle vertically arranged to the edges. Since now the inventive Heating nozzle of several interconnected boxes is a particularly simple manufacture of the box-like single elements possible because the slots in be arranged the "seams" of the adjacent boxes can. As a result, the heating nozzle according to the invention has a particularly simple structure and is therefore inexpensive produced.
- the heating nozzle 1 consists of three, each top and bottom open boxes, namely the upper Box 2, the middle box 3 and the bottom box 4.
- the lower box 4 is down (Packungsinnen perfume) closed with a cover 5.
- the heating nozzle 1 is in Figs. 1 and 2 in their two Side views shown, there are particularly good the Air outlet openings to recognize, which partially as Holes 6 and partially designed as slots 7.
- Figs. 3 to 5 show plan views from below on the individual boxes 2, 3 and 4, in particular the Forming the nozzle structure in the as slots 7 trained air outlet openings are recognizable. It is quickly apparent that the design effort for Structure of such a heating nozzle designed very simple can be, if the slots 7 each at the edges the individual boxes 2, 3 and 4 are arranged.
- the outer dimensions the individual boxes 2, 3 and 4 approximately the inner Cross section of a spear of a filling machine deferred unfolded packing jacket corresponds.
- the size must be chosen so that between Heating nozzle 1 and (not Pictured) packing jacket sufficient air gap remains to gluing or Shifts from already activated sealable Material such as polyethylene reliable excluded.
- the shown heating nozzle now "dips", charged with hot air, in the protruding from the mandrel In the area of the packaging mantle.
- the not latching in and out movement sweeps over the Schudüse 1 to be activated packing areas, so that an extremely uniform activated zone arises at the optimal for the subsequent sealing process Temperature is adjustable.
- the illustrated Geometry of the air outlet openings, the holes 6 and Slots 7 are selected only by way of example, by corresponding overlapping arrangement can also be Heat larger surface areas evenly or even also produce different temperature ranges, if these should be necessary for the sealing process.
- Reference points 8 in the bottom area of the packing shells leave, as viewed through a polarizing filter, Information about the quality of the seal too. Touch the two reference points 8 straight, is the Activation temperature optimally adjusted, as in Fig. 6 you can see. Are two individual reference points 8 'too recognize, as shown in Fig. 7, as enough Activation temperature is not off, it is rather a "underactivation".
- Fig. 8 shows an impermissible "Overactivation", in which the two reference points 8 " merge.
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Closing Of Containers (AREA)
- Package Closures (AREA)
- Making Paper Articles (AREA)
- Control And Other Processes For Unpacking Of Materials (AREA)
- Package Specialized In Special Use (AREA)
Abstract
Description
Die Erfindung betrifft eine Vorrichtung zum Verschließen des Bodens von aus Packungsmänteln aufgefalteten Verbundpackungen, insbesondere Getränkepackungen, wobei die Vorrichtung ein getaktetes Dornrad und ein Bodenformgerät mit einem Bodenformstempel, eine Luftaustrittsöffnungen aufweisenden Heizdüse und Einrichtungen zum Fertigformen und Versiegeln des Packungsbodens aufweist, wobei die Heizdüse mehrere miteinander verbundene Kästen und einen Deckel aufweist.The invention relates to a device for closing of the bottom of unfolded from packing coats Composite packs, in particular beverage packs, wherein the device is a clocked mandrel wheel and a Floor molding machine with a bottom mold stamp, a Air outlet openings having Heizdüse and Facilities for finishing and sealing of the Packing bottom, wherein the heating nozzle more having interconnected boxes and a lid.
Vorrichtungen zum Verschließen von aus heißsiegelbar beschichteten Packungsmänteln aufgefalteten Verbundpackungen sind in vielfacher Form bekannt. Das Verschließen der Packungsböden erfolgt dabei regelmäßig erst beim Abfüller in sogenannten Füllmaschinen. Dort werden die einzelnen Packungsmäntel aufgefaltet und auf Dorne geschoben, wobei die Dorne einen rechteckigen, der späteren Form der Packung entsprechenden Querschnitt aufweisen und auf einem getakteten Dornrad gleichmäßig radial abstehend angeordnet sind. Zur Herstellung des Packungsbodens wird dann in den verschiedenen Stellungen des getakteten Dornrades der Bodenbereich des aufgefalteten Packungsmantels zunächst erhitzt (aktiviert), dann vorgefaltet und schließlich mittels Einrichtungen zum Fertigformen in die endgültige Form gebracht und gleichzeitig versiegelt. Da die verwendeten Packungsmäntel bereits heißsiegelbar beschichtet sind, beispielsweise mit einer dünnen Schicht aus Polyethylen, ist ein Verschließen des Packungsbodens ohne zusätzliches Verbindungsmedium möglich.Devices for sealing from heat-sealable coated packing coats unfolded Composite packages are known in many forms. The Closing the pack floors is done regularly only at the bottler in so-called filling machines. There The individual packing shells are unfolded and open Mandrels pushed, with the mandrels a rectangular, the later form of the package corresponding cross-section and on a clocked mandrel evenly are arranged radially projecting. For the production of Packing bottom is then in different positions of the clocked mandrel wheel of the bottom area of the unfolded packing jacket first heated (activated), then prefolded and finally by means of Facilities for finishing in the final form brought and sealed at the same time. Since the used Packing shells are already heat-sealable coated, for example with a thin layer of polyethylene, is a sealing of the bottom of the package without additional Connection medium possible.
Durch die EP-A1 0 661 211 sind eine Verfahren und eine Vorrichtung zum Versiegeln von Packungen aus Verbundmaterial bekannt, wobei durch Aktivierung der Klebeflächen mit Heißluft der Deckel und der Boden mittels Presskleben verschlossen wird. Die Heißluft wird durch kleine Löcher auf die Aktivierungsflächen geblasen. Die Heizvorrichtung, in der die Löcher ausgeformt sind, besteht aus einem inneren und einem äußeren Heizkörper, zwischen denen die zuschließende Packung eingesetzt wird. Zur gleichmäßigen Verteilung der Heißluft ist die innere Heizkörper oszillierend angeordnet. Er kann um die Längsund die Querachse der Vorrichtung während des Einblasens der Heißluft oszilliert werden.By EP-A1 0 661 211 a method and a Device for sealing packages out Composite known, wherein by activation of the Adhesive surfaces with hot air the cover and the bottom is closed by pressure gluing. The hot air will blown through small holes on the activation surfaces. The heater in which the holes are formed, consists of an inner and an outer radiator, between which the enclosing packing is used. For uniform distribution of the hot air is the inner Radiator arranged oscillating. He can around the longitudinal and the transverse axis of the device during inflation the hot air are oscillated.
Aus der DE-AS 12 44 548 ist eine Vorrichtung zum Verschließen von aus flach zusammengefalteten Schlauchstücken aufgerichteten Behältern bekannt, bei der eine Heißluftaustrittsöffnungen aufweisende Heizdüse vor der Erhitzung mittels eines Zylinders in eine Heizstellung gebracht wird, dort die Heißluft auf die zu versiegelnden Bereiche des Packungsbodens leitet und anschließend wieder in die Ausgangsposition (Ruhestellung) verschwenkt wird. Die Luftaustrittsöffnungen sind dabei als Bohrungen ausgeführt.From DE-AS 12 44 548 a device for Closing from folded flat Hose pieces upright containers known in the a hot air outlet openings having Heizdüse ago heating by means of a cylinder in one Heating position is brought there, the hot air to the directing sealing areas of the package bottom and then back to the starting position (Rest position) is pivoted. The Air outlet openings are as holes executed.
Eine andere Verschließeinrichtung für Behälter mit einem Verschluß aus thermoplastisch klebfähigem Material ist aus der DE-AS 15 11 573 bekannt, bei der die Heizdüse gleichfalls abwechselnd eine Ruhe- und eine Arbeitsposition einnehmen kann, um, gleichmäßig im Takt des Dornrades, die zu versiegelnden Bereich des Packungsbodens zu aktivieren. Hierbei sind die Luftaustrittsöffnungen punktförmig oder schlitzförmig ausgebildet. Auch hier verbleibt die Heizdüse für eine bestimmte Zeitspanne im Inneren des aufgefalteten Packungsmantels.Another closing device for containers with a Closure of thermoplastic adhesive material is known from DE-AS 15 11 573, wherein the heating nozzle also alternately a rest and a Working position can, in order to, evenly to the beat of the mandrel wheel, the area of the to be sealed Activate packing bottom. Here are the Air outlet openings punctiform or slot-shaped educated. Again, the heating nozzle for a remains certain period of time inside the unfolded Pack casing.
Aus der DE 17 61 315 B2 ist es bereits für sich bekannt, schlitzförmige Luftaustrittsöffnungen in den Eckbereichen der Heizdüse senkrecht zu deren Kanten anzuordnen.It is already known from DE 17 61 315 B2 slit-shaped air outlet openings in the corner areas to arrange the heating nozzle perpendicular to their edges.
Schließlich ist aus der EP 0 832 731 ein Verfahren zur Bodenbildung von aus Packungsmänteln aufgefalteten Verbundpackungen bekannt, wobei die Heizdüse während der Erhitzung gleichmäßig über die zu versiegelnden Bereiche des Packungsmantels geführt wird. Dazu ist eine Vorrichtung mit einem getakteten Dornrad und einem Bodenformgerät vorgesehen, welches eine im wesentlichen der Form des Dornes entsprechende mit einem rechteckigen Querschnitt versehene Heizdüse aufweist.Finally, from EP 0 832 731 a method for Bottom of unfolded from packing coats Composite packings known, wherein the heating nozzle during the Heating evenly over the areas to be sealed of the package jacket is performed. This is one Device with a clocked mandrel wheel and a Floor molding apparatus provided, which is a substantially the shape of the mandrel corresponding with a rectangular Cross-section provided heating nozzle.
Allen bekannten Vorrichtungen haftet der Nachteil an, daß die zu erwärmenden Bereiche des Packungsmantels ungleichmäßig erwärmt werden. Zur Beschädigung des Verbundmaterials, insbesondere bei Verbunden ohne Aluminiumfolie, muß eine Überhitzung zuverlässig ausgeschlossen werden, um die Dicht- und Gassperrfunktion nicht zu gefährden. Das führt dazu, daß im direkten Austrittsbereich der Heißluft, also gegenüber der Luftaustrittsöffnungen, zwar eine ausreichende Erhitzung stattfindet, jedoch die Erwärmung im Bereich zwischen den Luftaustrittsöffnungen zumindest teilweise nicht ausreichend ist. Dieser Nachteil kann zwar teilweise durch eine entsprechende Geometrie der Luftaustrittsöffnungen beseitigt werden, jedoch hat dies einen erheblichen konstruktiven Aufwand der Heizdüse zur Folge.All known devices have the disadvantage that the areas of the packing jacket to be heated be heated unevenly. To damage the Composite material, especially in Connected without Aluminum foil, overheating must be reliable be excluded to the sealing and gas barrier function not to endanger. The result is that in the direct Exit area of the hot air, so compared to the Air outlet openings, although sufficient heating takes place, however, the warming in the area between the Air outlet openings at least partially not is sufficient. Although this disadvantage can partially through a corresponding geometry of Air outlets are eliminated, however, this has a considerable design effort of the heating nozzle for Episode.
Der Erfindung liegt daher die Aufgabe zugrunde, eine Vorrichtung der eingangs genannten und zuvor näher beschriebenen Art so auszugestalten und weiterzubilden, daß ein konstruktiv einfacher Aufbau der verwendeten Heizdüse ermöglicht wird, ohne auf die Qualität der Siegelung zu verzichten.The invention is therefore based on the object, a Device of the aforementioned and previously closer to design and develop the described way that a structurally simple construction of the used Heating nozzle is made possible without compromising on the quality of the Seal to dispense.
Die Lösung der Aufgabe besteht darin, daß die Heizdüse mehrere miteinander verbundene Kästen sowie einen Deckel aufweist. Die erfindungsgemäße Vorrichtung hat so einen konstruktiv äußerst einfachen Aufbau und ist daher besonders kostengünstig herstellbar und - durch ihren modularen Aufbau - in der Lage, in kurzer Zeit zu Umrüstoder Wartungszwecken zerlegt und wieder montiert zu werden.The solution of the problem is that the heating nozzle several interconnected boxes and a lid having. The device according to the invention has such a structurally extremely simple structure and is therefore particularly inexpensive to produce and - by their Modular construction - able to change over in a short time Disassembled and reassembled for maintenance purposes become.
Die Heizdüse wird über den Bodenbereich des aufgefalteten Packungsmantels bewegt und die Aktivierung erfolgt während des Eintauchens in den und Hinausbewegens aus dem Packungsmantel. Je nach Geometrie der Heizdüse kann dabei der Bodenbereich innerhalb und/oder außerhalb des Packungsmantels aktiviert werden. Auf diese Weise ist eine besonders gute Aktivierung zu erreichen, da die Aktivierung einerseits kurz vor der Weiterbewegung des Dornrades in die Verformstation erfolgt.The heating nozzle is unfolded over the bottom area of the Packing mantle moves and activation takes place while diving in and out of the Pack casing. Depending on the geometry of the heating nozzle can thereby the floor area inside and / or outside of the Packing mantle be activated. That way is to achieve a particularly good activation, since the Activation on the one hand shortly before the further movement of the Mandrel wheel into the deformation station.
Eine vorteilhafte Ausgestaltung der Erfindung sieht ferner vor, daß die Luftaustrittsöffnungen als Bohrungen und/oder Schlitze ausgeführt sind. Bevorzugt sind dabei die Schlitze in den Eckbereichen der Heizdüse senkrecht zu deren Kanten angeordnet. Da nun die erfindungsgemäße Heizdüse aus mehreren miteinander verbundenen Kästen besteht, ist eine besonders einfache Fertigung der kastenartigen Einzelelemente möglich, da die Schlitze in den "Nahtstellen" der benachbarten Kästen angeordnet sein können. Dadurch hat die erfindungsgemäße Heizdüse einen besonders einfachen Aufbau und ist somit kostengünstig herstellbar.An advantageous embodiment of the invention sees further, that the air outlet openings as holes and / or slots are executed. Preference is given here the slots in the corners of the heating nozzle vertically arranged to the edges. Since now the inventive Heating nozzle of several interconnected boxes is a particularly simple manufacture of the box-like single elements possible because the slots in be arranged the "seams" of the adjacent boxes can. As a result, the heating nozzle according to the invention has a particularly simple structure and is therefore inexpensive produced.
Die Erfindung wird nachfolgend anhand einer lediglich ein bevorzugtes Ausführungsbeispiel darstellenden Zeichnung näher erläutert. In der Zeichnung zeigen
- Fig. 1
- eine Heizdüse der erfindungsgemäßen Vorrichtung in einer Seitenansicht auf eine Längsseite,
- Fig. 2
- die Heizdüse aus Fig. 1 in einer Seitenansicht auf eine Stirnseite,
- Fig. 3 bis 5
- Draufsichten von unten auf die Kästen der Heizdüse aus Fig. 1 un 2 und
- Fig. 6 bis 8
- Draufsicht auf einen aufgeschnittenen und gerade gefalteten aktivierten Packungsmantel mit optimaler (Fig. 6), zu geringer (Fig. 7) und zu starker (Fig. 8) Aktivierung.
- Fig. 1
- a heating nozzle of the device according to the invention in a side view on a longitudinal side,
- Fig. 2
- 1 in a side view on an end face,
- Fig. 3 to 5
- Top views from below of the boxes of the heating nozzle of Fig. 1 and 2 and
- Fig. 6 to 8
- Top view of a cut and just folded activated packing jacket with optimal (Fig. 6), too low (Fig. 7) and too strong (Fig. 8) activation.
Aus den Figuren wird schnell der konstruktiv einfache Aufbau der Heizdüse der erfindungsgemäßen Vorrichtung ersichtlich. From the figures quickly becomes the structurally simple Structure of the heating nozzle of the device according to the invention seen.
Im dargestellten und insoweit bevorzugten
Ausführungsbeispiel besteht die Heizdüse 1 aus drei,
jeweils oben und unten offenen Kästen, nämlich dem oberen
Kasten 2, dem mittleren Kasten 3 und dem unteren Kasten
4. Der untere Kasten 4 ist dabei nach unten
(packungsinnenseitig) mit einem Deckel 5 verschlossen.In the illustrated and insofar preferred
Embodiment, the heating nozzle 1 consists of three,
each top and bottom open boxes, namely the
Die Heizdüse 1 ist in den Fig. 1 und 2 in ihren beiden
Seitenansichten dargestellt, dort sind besonders gut die
Luftaustrittsöffnungen zu erkennen, welche teilweise als
Bohrungen 6 und teilweise als Schlitze 7 ausgeführt sind.The heating nozzle 1 is in Figs. 1 and 2 in their two
Side views shown, there are particularly good the
Air outlet openings to recognize, which partially as
Die Fig. 3 bis 5 zeigen Draufsichten von unten auf die
einzelnen Kästen 2, 3 und 4, wobei besonders die
Ausbildung der Düsenstruktur bei den als Schlitze 7
ausgebildeten Luftaustrittsöffnungen erkennbar sind. Es
ist schnell ersichtlich, daß der konstruktive Aufwand zum
Aufbau einer solchen Heizdüse sehr einfach gestaltet
werden kann, wenn die Schlitze 7 jeweils an den Rändern
der einzelnen Kästen 2, 3 bzw. 4 angeordnet sind.Figs. 3 to 5 show plan views from below on the
Es versteht sich von selbst, daß die äußeren Abmessungen
der einzelnen Kästen 2, 3 bzw. 4 in etwa dem inneren
Querschnitt eines auf einen Dorn einer Füllmaschine
aufgeschobenen aufgefalteten Packungsmantels entspricht.
Dabei muß die Größe so gewählt sein, daß zwischen
Heizdüse 1 und (nicht dargestelltem) Packungsmantel ein
ausreichender Luftspalt verbleibt, um Verklebungen bzw.
Verschiebungen von bereits aktiviertem siegelfähigem
Material wie beispielsweise Polyethylen zuverlässig
auszuschließen. It goes without saying that the outer dimensions
the
Zur Aktivierung "taucht" nun die dargestellte Heizdüse, beaufschlagt mit Heißluft, in den vom Dorn abstehenden Bereich des Packungsmantels hinein. Bei der nicht rastenden Hinein- und Hinausbewegung überstreicht die Heizdüse 1 die zu aktivierenden Packungsbereiche, so daß eine äußerst gleichmäßige aktivierte Zone entsteht, bei der für den nachfolgenden Siegelvorgang eine optimale Temperatur einstellbar ist.For activation, the shown heating nozzle now "dips", charged with hot air, in the protruding from the mandrel In the area of the packaging mantle. At the not latching in and out movement sweeps over the Heizdüse 1 to be activated packing areas, so that an extremely uniform activated zone arises at the optimal for the subsequent sealing process Temperature is adjustable.
Es ist schnell ersichtlich, daß die dargestellte
Geometrie der Luftaustrittsöffnungen, der Bohrungen 6 und
Schlitze 7 nur beispielhaft gewählt sind, durch
entsprechende überlappende Anordnung lassen sich auch
größere Flächeninhalte gleichmäßig erhitzen oder sogar
auch unterschiedliche Temperaturbereiche erzeugen, wenn
diese für den Siegelvorgang notwendig sein sollten.It is readily apparent that the illustrated
Geometry of the air outlet openings, the
Schließlich ist in den Fig. 6 bis 8 dargestellt, daß die
Qualität der Aktivierung mittels außerhalb des zu
versiegelden Bodenbereiches, jedoch im Packungsboden
vorgesehene Referenzmarken optisch überwacht werden kann.
Dies kann auch vollautomatisch geschehen, wobei ein
angeschlossener Regelkreis die Aktivierungstemperatur
beeinflußt. Als Referenzmarken dienen dabei im
dargestellten und in soweit bevorzugten
Ausführungsbeispiel kreisförmige Referenzpunkte 8, die
mit einem geringen Abstand voneinander durch Aktivierung
während des Aktiviervorgangs erzeugt werden. Es ist klar,
daß für jedes Packungsformat der Abstand der
Referenzmarken empirisch ermittelt werden muß, da hierfür
Faktoren wie Packstoffdicke, Aluminiumfolienstärke,
Packungsgröße etc. eine Rolle spielen. Auch wenn die
optische Beurteilung in der Praxis durch Eintauchen einer
Optik in den oben offenen Packungsbehälter geschieht, ist
in den Darstellungen gemäß Fig. 6 bis 8 der Bodenbereich
eines Packungsmantels M aufgeschnitten und geradegelegt
dargestellt.Finally, it is shown in Figs. 6 to 8 that the
Quality of activation by means of outside to
sealed bottom area, but in the bottom of the package
provided reference marks can be visually monitored.
This can also be done fully automatically, with a
connected control loop the activation temperature
affected. As reference marks serve in the
shown and preferred in so far
Embodiment
Die optische Beurteilung der Aktivierungstemperatur geschieht nun folgendermaßen:The visual assessment of the activation temperature Now happens as follows:
Die beiden mit geringem Abstand voneinander angeordneten
Referenzpunkte 8 im Bodenbereich der Packungsmäntel
lassen, betrachtet durch ein Polarisationsfilter,
Aufschlüsse über die Qualität der Siegelung zu. Berühren
sich die beiden Referenzpunkte 8 gerade, ist die
Aktivierungstemperatur optimal eingestellt, wie in Fig. 6
zu sehen ist. Sind zwei einzelne Referenzpunkte 8' zu
erkennen, wie in Fig. 7 dargestellt, so reicht die
Aktivierungstemperatur nicht aus, es handelt sich
vielmehr um eine "Unteraktivierung".The two are arranged at a small distance from each
Die Pfeile verweisen auf nicht aktivierte Stellen im zu
versiegelnten Bodenbereich des aufgeschnittenen
Packungsmantels M. Fig. 8 zeigt eine unzulässige
"Überaktivierung", bei der die beiden Referenzpunkte 8"
ineinander übergehen. Hier ist deutlich erkennbar, daß -
insbesondere im Gegensatz zur Unteraktivierung in Fig. 7
- die aktivierten Flächen sich im gesamten Bereich über
die zulässigen Grenzen strichpunktierte Linie bzw.
Doppellinie = Faltlinie ausdehnen. In diesem Stadium
neigt der aktivierte Bodenbereich darüber hinaus zur
Blasenbildung.The arrows point to unactivated places in the
sealed bottom area of the cut
Packungsmantels M. Fig. 8 shows an impermissible
"Overactivation", in which the two
Claims (5)
dadurch gekennzeichnet, daß die Heizdüse (1) mehrere miteinander verbundene Kästen (2, 3, 4) und einen Deckel (5) aufweist.Device for closing the bottom of composite packs unfolded from packing shells, in particular beverage packs, with a clocked mandrel wheel and a bottom molding device, wherein the bottom molding device has a bottom mold punch, a heating nozzle (1) having air outlet openings and devices for finishing and sealing the pack bottom, wherein the heating nozzle (1 ) has a substantially the shape of the mandrel corresponding rectangular cross section,
characterized in that the heating nozzle (1) has a plurality of interconnected boxes (2, 3, 4) and a lid (5).
dadurch gekennzeichnet, daß die Luftaustrittsöffnungen als Bohrungen (6) ausgeführt sind.Device according to claim 1,
characterized in that the air outlet openings are designed as bores (6).
dadurch gekennzeichnet, daß die Luftaustrittsöffnungen als Schlitze (7) ausgeführt sind.Apparatus according to claim 1 or 2,
characterized in that the air outlet openings are designed as slots (7).
dadurch gekennzeichnet, daß die Schlitze (7) in den Eckbereichen der Heizdüse (1) und senkrecht zu deren Kanten angeordnet sind. Device according to claim 3,
characterized in that the slots (7) are arranged in the corner regions of the heating nozzle (1) and perpendicular to the edges thereof.
dadurch gekennzeichnet, daß die Heizdüse (1) so angeordnet ist, daß sie auf einer Kreisbahn in definiertem Abstand zum Dorn mit diesem mitführbar ausgestaltet ist.Device according to one of claims 1 to 4,
characterized in that the heating nozzle (1) is arranged so that it is designed to be carried on a circular path at a defined distance from the mandrel with this.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19936150 | 1999-07-31 | ||
| DE19936150 | 1999-07-31 | ||
| EP00958325A EP1198340B1 (en) | 1999-07-31 | 2000-07-28 | Method for heating the closing flaps of a carton |
Related Parent Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP00958325A Division EP1198340B1 (en) | 1999-07-31 | 2000-07-28 | Method for heating the closing flaps of a carton |
| EP00958325A Division-Into EP1198340B1 (en) | 1999-07-31 | 2000-07-28 | Method for heating the closing flaps of a carton |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1352733A1 true EP1352733A1 (en) | 2003-10-15 |
| EP1352733B1 EP1352733B1 (en) | 2004-09-29 |
Family
ID=7916790
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP03004407A Expired - Lifetime EP1352733B1 (en) | 1999-07-31 | 2000-07-28 | Device for heating the closing flaps of a cardboard box |
| EP00958325A Expired - Lifetime EP1198340B1 (en) | 1999-07-31 | 2000-07-28 | Method for heating the closing flaps of a carton |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP00958325A Expired - Lifetime EP1198340B1 (en) | 1999-07-31 | 2000-07-28 | Method for heating the closing flaps of a carton |
Country Status (11)
| Country | Link |
|---|---|
| EP (2) | EP1352733B1 (en) |
| CN (1) | CN1177683C (en) |
| AT (2) | ATE277746T1 (en) |
| AU (1) | AU6988800A (en) |
| DE (2) | DE50005919D1 (en) |
| DK (2) | DK1198340T3 (en) |
| ES (2) | ES2218211T3 (en) |
| HK (1) | HK1048282B (en) |
| PT (2) | PT1198340E (en) |
| TW (1) | TW508321B (en) |
| WO (1) | WO2001008871A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018075039A1 (en) * | 2016-10-20 | 2018-04-26 | Hewlett-Packard Development Company, L.P. | Dissipating heat of heating elements |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB0411721D0 (en) * | 2004-05-26 | 2004-06-30 | Elopak Systems | Method and apparatus |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0661211A1 (en) * | 1993-07-13 | 1995-07-05 | Dai Nippon Printing Co., Ltd. | Paper container seal heating method and seal heating apparatus |
| EP0832731A2 (en) * | 1996-09-27 | 1998-04-01 | Shikoku Kakoki Co., Ltd. | Heating device for heat-sealing bottom portions of containers |
-
2000
- 2000-07-28 DE DE50005919T patent/DE50005919D1/en not_active Expired - Lifetime
- 2000-07-28 DE DE50008041T patent/DE50008041D1/en not_active Expired - Lifetime
- 2000-07-28 ES ES00958325T patent/ES2218211T3/en not_active Expired - Lifetime
- 2000-07-28 EP EP03004407A patent/EP1352733B1/en not_active Expired - Lifetime
- 2000-07-28 CN CNB008122946A patent/CN1177683C/en not_active Expired - Fee Related
- 2000-07-28 PT PT00958325T patent/PT1198340E/en unknown
- 2000-07-28 PT PT03004407T patent/PT1352733E/en unknown
- 2000-07-28 DK DK00958325T patent/DK1198340T3/en active
- 2000-07-28 EP EP00958325A patent/EP1198340B1/en not_active Expired - Lifetime
- 2000-07-28 AT AT03004407T patent/ATE277746T1/en active
- 2000-07-28 AU AU69888/00A patent/AU6988800A/en not_active Abandoned
- 2000-07-28 ES ES03004407T patent/ES2229176T3/en not_active Expired - Lifetime
- 2000-07-28 AT AT00958325T patent/ATE263016T1/en active
- 2000-07-28 DK DK03004407T patent/DK1352733T3/en active
- 2000-07-28 WO PCT/EP2000/007364 patent/WO2001008871A1/en active IP Right Grant
- 2000-10-13 TW TW089115319A patent/TW508321B/en not_active IP Right Cessation
-
2003
- 2003-01-23 HK HK03100577.8A patent/HK1048282B/en not_active IP Right Cessation
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0661211A1 (en) * | 1993-07-13 | 1995-07-05 | Dai Nippon Printing Co., Ltd. | Paper container seal heating method and seal heating apparatus |
| EP0832731A2 (en) * | 1996-09-27 | 1998-04-01 | Shikoku Kakoki Co., Ltd. | Heating device for heat-sealing bottom portions of containers |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018075039A1 (en) * | 2016-10-20 | 2018-04-26 | Hewlett-Packard Development Company, L.P. | Dissipating heat of heating elements |
| US10752015B2 (en) | 2016-10-20 | 2020-08-25 | Hewlett-Packard Development Company, L.P. | Dissipating heat of heating elements |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1177683C (en) | 2004-12-01 |
| EP1198340A1 (en) | 2002-04-24 |
| TW508321B (en) | 2002-11-01 |
| ES2229176T3 (en) | 2005-04-16 |
| ES2218211T3 (en) | 2004-11-16 |
| EP1352733B1 (en) | 2004-09-29 |
| HK1048282B (en) | 2005-05-06 |
| EP1198340B1 (en) | 2004-03-31 |
| DK1352733T3 (en) | 2004-11-15 |
| PT1198340E (en) | 2004-08-31 |
| PT1352733E (en) | 2005-01-31 |
| DE50005919D1 (en) | 2004-05-06 |
| WO2001008871A1 (en) | 2001-02-08 |
| WO2001008871B1 (en) | 2001-06-14 |
| AU6988800A (en) | 2001-02-19 |
| ATE277746T1 (en) | 2004-10-15 |
| DE50008041D1 (en) | 2004-11-04 |
| HK1048282A1 (en) | 2003-03-28 |
| ATE263016T1 (en) | 2004-04-15 |
| CN1371318A (en) | 2002-09-25 |
| DK1198340T3 (en) | 2004-08-02 |
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