EP0250697A1 - Apparatus for producing a pallet-less packaging unit entirely wrapped with shrink foil - Google Patents
Apparatus for producing a pallet-less packaging unit entirely wrapped with shrink foil Download PDFInfo
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- EP0250697A1 EP0250697A1 EP87100308A EP87100308A EP0250697A1 EP 0250697 A1 EP0250697 A1 EP 0250697A1 EP 87100308 A EP87100308 A EP 87100308A EP 87100308 A EP87100308 A EP 87100308A EP 0250697 A1 EP0250697 A1 EP 0250697A1
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- Prior art keywords
- stack
- turning
- shrinking
- shrink film
- shrink
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- 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
- B65B53/00—Shrinking wrappers, containers, or container covers during or after packaging
- B65B53/02—Shrinking wrappers, containers, or container covers during or after packaging by heat
Definitions
- the invention relates to a device for carrying out a method for producing a packaging unit completely wrapped with shrink film and containing a plurality of layers of objects stacked on top of one another, first of all several layers of objects with the same base area are stacked on top of one another, and then a special layer of objects is stacked in such a way that at least two parallel niches are formed for the later attack of supporting elements of a lifting device, a first shrink film is applied to the entire stack, which is subsequently shrunk tightly onto the stack by application of heat, whereupon the entire stack is rotated by 180 ° in such a way that the special layer with the niches comes down, whereupon a second shrink film is applied to the stack and subsequently shrunk tightly onto the stack by application of heat, before turning the stack and / or after shrinking the second shrink film, the shrink films are formed in the niches, with shrink film applicator, shrink device, a turning device having two conveying surfaces which can be moved against the stack from opposite sides and a single one with the last Combined profil
- the molding tools in the turning device are formed by a two-part, relatively complicated molding frame, which is fed to and after the insertion of a stack with first shrink film applied to the first two conveying surfaces of the turning device retracting the stack with the first shrink film when moving the two conveying surfaces of the turning device from above into the recesses of the special layer of the stack and after turning the stack, the turning device leaves with the stack turned and with the stack by a second shrink film application device and a second shrinking device is transported in order to then be separated from the stack and returned to the turning device.
- this known device is very inexpensive for forming very stable and stable stacks, the device is very expensive and takes up space.
- two profiling devices must also be provided, namely one in front of the shrinking device for profiling the niches when they are on top and one after the shrinking device for profiling the niches when they are turned after the stack has been turned down are.
- the object of the invention is to provide a solution which further reduces the required space and equipment, especially in systems with a lower power requirement similar to the device according to DE-PS 27 60 249 and at the same time as stable and stable stack similar to the device according to DE-PS 27 43 568 forms.
- this object is achieved according to the invention in that the only shrink film application device and the only shrinking device are designed as a combination device with a common conveying and standing path and in that the shaping tools of the profiling device are permanently assigned to the relevant conveying surface of the downstream turning device and by means of drive means arranged on the turning device after the application and shrinking of the first shrink film in the form position in the niches, after turning the stack in the release position and after returning the stack to the combined shrink film application and shrinking device and there covering and shrinking of the second shrink film and re-feeding thereon can be moved to the turning device for re-profiling the niches again in the shape position and subsequently for the lateral removal of the stack again in the release position.
- the overall system is much more compact, namely a shortening of the system by half, because instead of six individual devices arranged in line, namely palletizers, shrink film applicator, turning device, profiling device above, shrinking device and profiling device below, only three individual devices in line to be arranged, namely palletizers, combined shrink film application and shrinking device and turning device with profiling device above and below.
- six individual devices arranged in line namely palletizers, shrink film applicator, turning device, profiling device above, shrinking device and profiling device below
- only three individual devices in line to be arranged namely palletizers, combined shrink film application and shrinking device and turning device with profiling device above and below.
- there are significantly shorter travel times between the individual devices and also somewhat shorter operating times in the individual devices as will be explained in more detail below.
- the overall outlay in terms of apparatus is less, because in the combined shrink film application and shrinking device a frame for previously two machines and in the combined turning and profiling device one frame for previously three machines and a corresponding one each can be used The number of conveying areas for the individual machines and the conveying sections connecting them to one another is eliminated.
- a particularly advantageous embodiment results if, as molding tools before the start and after the end of the conveying surface of the turning device in question, between this and the respective upstream or downstream conveyor, one can be inserted into the niches up to the stop on their horizontal walls Conveying element is provided, the conveying surface in question with the conveying elements on both sides having a length which corresponds approximately to the length of the opposing conveying surface, in some cases similar to that of a Device for profiling the niches below a stack is already known (DE-PS 28 39 089).
- Each conveyor element can be designed as a set of rollers, as is particularly favorable for moving the stack in and out with niches located at the bottom into and out of the turning device.
- each conveyor element can also be designed as a conveyor belt or multiple belt drive.
- the training can be made such that the movements of the conveying elements can be adapted to the niches of differently sized packaging units or stacks.
- the overall system shown in FIG. 1 has a palletizer 1 of conventional design, a combined shrink film application and shrinking device 2, also of a basically known type, and a basically newly designed turning device 3, as well as a downstream acceptance conveyor 4 and intermediate conveyor 5 between palletizers 1 and Combined shrink film application and shrinking device 2 and the latter and the turning device 3.
- the combination device 2 is equipped with a conveying and standing track 7 which can be raised and lowered by means of scissors lifting mechanism 6 and with a frame 8 which can preferably be raised and lowered by means of chains (not shown), on which a shrinking torch 9 or the like extending all around is arranged at the top and below located embodied in the form of spreading fingers elements 10 for applying heat shrink film covers at a on the conveyor and prior web strength in F. 1 for the sake of clarity, not shown stack (denoted by S in Fig. 2).
- the turning device 3 is provided with two conveying surfaces 11 and 12 which are movable in opposite directions and which, as a whole, can be rotated about an axis 13 with their guides and drive means which enable the movement towards one another, all as previously known.
- N is eu at the turning device 3, one of the two F örder vom, namely the l upper in Fig.
- Conveying surface 12 depending on a polymer formed from a set of rollers conveying element 14 is associated on both sides, which two conveying members 14 jointly with respect to the respective conveying surface 12 in the direction of the central axis 13 are designed to be movable by means of drive means, not shown.
- the length of the conveying surface 12 with the conveying elements 14 on both sides is essentially the same length as the other conveying surface 11 located at the bottom in FIG. 1.
- the mode of operation of the overall device according to FIG. 1 is explained in more detail below with particular reference to FIG. 2, wherein in this FIG.
- the reference number of the individual device 1, 2, 3 or 4 is indicated, in which the Stacks in each case are uno with added letter indices a, b etc., successive stages in the device in question are shown.
- the funding level is indicated by dashed lines with the letter F.
- the first stage representation in FIG. 2 thus shows that a stack S has been formed in the palletizer 1, which consists of a number of normal layers 15 and an upper special layer 16 with side niches 17, each of the layers 15 and 16 according to a specific packing pattern is formed.
- the stack S passes from the palletizer 1 via the intermediate conveyor 5 into the combination device 2, where the stack is first covered with a short shrink film hood 18, as shown at 2a.
- a long, first shrink film hood 19 is then pulled over the stack S, and the conveying and standing path 7 of the combination device 2 is raised, as shown in FIG. 2b.
- the lower area of the stack is now in such a position with respect to the shrinking burner 9 of the combination device 2 that a good shrinking in it lower area of the stack is guaranteed, as shown in FIG.
- the common frame 8 then moves upwards and shrinks the two shrink hoods 18 and 19 closely onto the stack, which is not shown in more detail. Possibly. the complete shrinking of the two hoods 18 and 19 can also take place after a first shrinking in the lower region of the stack from top to bottom, with the result that the air within the stack largely escapes.
- the conveying and standing path 7 of the combination device 2 is then lowered again and the stack is transported via the intermediate conveyor 5 onto the conveying surface 11 of the turning device 3.
- the conveying surfaces 11 and 12 are moved together and then the conveying elements 14 arranged on both sides of the shorter upper conveying surface 12 are lowered into the niches 17, as shown in FIG. 3a, as a result of which these niches are shaped properly.
- the stack S is then rotated through 180 °, as shown in FIG. 3b, and laterally transported back via the intermediate conveyor 5 onto the conveying and standing path 7 of the combination device 2, as shown in FIG. 3c.
- a second or counter hood 20 is pulled over as shown in FIG.
- FIG. 2e the stack is transported again via the intermediate conveyor 5 to the turning device 3 on the here reproduce the shorter front surface 12 located below with subsequent moving of the conveying elements 14 into the niches 17 for re-profiling the same as 3d and 3e.
- the stack S which is now completely wrapped and shrink-wrapped, is transported laterally onto the discharge conveyor 4, as shown in FIGS. 3f and 4a, whereupon the finished stack is then removed by means of lifting elements 21, for example the forks of a forklift, as shown in FIG. 4b .
- FIGS. 3 and 4 the travel and operating times of the known device according to DE-PS 27 60 249 (FIG. 3) and the device according to the invention (FIG. 4) are compared with one another in FIGS. 3 and 4 , wherein the travel times in the direction of the coordinate axis y and the function times in the direction of the coordinate axis x are shown schematically.
- the individual work steps are designated with letters as follows: and each entered in a rectangle indicating a single device.
- the exemplary embodiment described can be modified in many ways without departing from the basic idea of the invention.
- the turning and profiling device combined according to the invention can also be used advantageously in connection with differently designed shrink film application and shrinking devices, for example in a method in which instead of a second shrink film hood or counter hood a more or less deep after turning the stack flat film hanging down on the side faces of the stack is applied to the turned stack and shrunk, possibly also in a suitably designed combined shrink film application and shrinking device.
- the turning and profiling device combined according to the invention could also have a so-called long line, ie a combined film application and shrinking device before and after the combined turning and and profiler may be provided, in which case made aller- d ings of the advantages of the invention only in degraded form of use.
- the combined turning and profiling device could of course also be preceded and followed by separate shrink film application and shrinking devices.
- conveyable elements that can be moved into the niches of the special layer in the turning device of each of the two mutually movable conveying surfaces if one wants to avoid turning the turning device after leaving the stack with the shrink film completely covered to accommodate the next stack, although generally for this sufficient time during the application and shrinking of aer shrink films in the upstream combined shrink film application and shrinking device is available u.
- conveyable elements that can be moved into the niches of the special layer in the turning device of each of the two mutually movable conveying surfaces if one wants to avoid turning the turning device after leaving the stack with the shrink film completely covered to accommodate the next stack, although generally for this sufficient time during the application and shrinking of aer shrink films in the upstream combined shrink film application and shrinking device is available u.
- conveyable elements that can be moved into the niches of the special layer in the turning device of each of the two mutually movable conveying surfaces if one wants to avoid turning the turning device after leaving the stack with the shrink film completely covered to accommodate the next stack, although generally for this sufficient time
Abstract
Description
Die Erfindung betrifft eine Vorrichtung zur Durchführung eines Verfahrens zur Herstellung einer vollständig mit Schrumpffolie umhüllten, palettenlosen, mehrere Schichten aufeinander gestapelter Gegenstände enthaltenden Verpackungseinheit, wobei zunächst mehrere Schichten von Gegenständen mit gleicher Grundfläche übereinandergestapelt werden auf die dann eine Sonderschicht von Gegenständen derart gestapelt wird, daß mindestens zwei einander parallele Nischen für das spätere Angreifen von Tragorganen eines Hubgerätes gebildet werden, darauf eine erste Schrumpffolie auf den gesamten Stapel aufgebracht wird, welche nachfolgend durch Wärmeaufbringung eng an den Stapel geschrumpft wird, worauf der gesamte Stapel um 180° derart gedreht wird, daß die Sonderschicht mit den Nischen nach unten kommt, worauf eine zweite Schrumpffolie auf den Stapel aufgebracht und nachfolgend durch Wärmeaufbringung eng an den Stapel geschrumpft wird, wobei vor dem Wenden des Stapels und/oder nach dem Anschrumpfen der zweiten Schrumpffolie die Schrumpffolien in den Nischen ausgeformt werden, mit Schrumpffolienaufbringvorrichtung, Schrumpfvorrichtung, einer zwei von entgegengesetzten Seiten gegen den Stapel bewegliche Förderflächen aufweisenden Wendevorrichtung und einer einzigen mit letzterer kombinierten Profiliervorrichtung zum Ausformen der Schrumpffolien in den Nischen, deren einer der beiden Förderflächen der Wendevorrichtungen zuzuordnende Formwerkzeuge vor dem Wenden des Stapels in Formstellung verbringbar und während des Wendens des Stapel in Formstellung haltbar sind.The invention relates to a device for carrying out a method for producing a packaging unit completely wrapped with shrink film and containing a plurality of layers of objects stacked on top of one another, first of all several layers of objects with the same base area are stacked on top of one another, and then a special layer of objects is stacked in such a way that at least two parallel niches are formed for the later attack of supporting elements of a lifting device, a first shrink film is applied to the entire stack, which is subsequently shrunk tightly onto the stack by application of heat, whereupon the entire stack is rotated by 180 ° in such a way that the special layer with the niches comes down, whereupon a second shrink film is applied to the stack and subsequently shrunk tightly onto the stack by application of heat, before turning the stack and / or after shrinking the second shrink film, the shrink films are formed in the niches, with shrink film applicator, shrink device, a turning device having two conveying surfaces which can be moved against the stack from opposite sides and a single one with the last Combined profiling device for shaping the shrink films in the niches, the molds of which are to be assigned to one of the two conveying surfaces of the turning devices can be brought into the mold position before the stack is turned and can be kept in the mold position during the turning of the stack.
Bei einer bekannten Vorrichtung dieser Art (DE-PS 27 43 568) sind die Formwerkzeuge in der Wendevorrichtung von einem zweiteiligen, relativ komplizierten Formrahmen gebildet, der vor dem Einfahren eines Stapels mit auf diesen aufgebrachter erster Schrumpffolie einer aer beiden Förderflächen der Wendevorrichtung zugeführt und nach dem Einfahren des Stapels mit erster Schrumpffolie beim Zusammenfahren der beiden Förderflächen der Wendevorrichtung von oben in die Nischen der Sonderschicht des Stapels eingefahren wird und nach dem Wenden des Stapels die Wendevorrichtung mit dem gewendeten Stapel verläßt und mit dem Stapel durch eine zweite Schrumpffolienaufbringvorrichtung und eine zweite Schrumpfvorrichtung transportiert wird, um dann vom Stapel getrennt und zur Wendevorrichtung zurückgeführt zu werden. Diese bekannte Vorrichtung ist zwar sehr günstig zur Bildung sehr formbeständiger und stabiler Stapel, vorrichtungsmäßig aber sehr aufwendig und raumbeanspruchend.In a known device of this type (DE-PS 27 43 568), the molding tools in the turning device are formed by a two-part, relatively complicated molding frame, which is fed to and after the insertion of a stack with first shrink film applied to the first two conveying surfaces of the turning device retracting the stack with the first shrink film when moving the two conveying surfaces of the turning device from above into the recesses of the special layer of the stack and after turning the stack, the turning device leaves with the stack turned and with the stack by a second shrink film application device and a second shrinking device is transported in order to then be separated from the stack and returned to the turning device. Although this known device is very inexpensive for forming very stable and stable stacks, the device is very expensive and takes up space.
Bekannt ist es ferner (DE-PS 27 60 249), bei Anlagen mit einem geringeren Leistungsbedarf zur Verringerung des apparativen Aufwands die Wendevorrichtung zwischen einer einzigen Schrumpffolienaufbringvorrichtung und einer einzigen Schrumpfvorrichtung anzuordnen, so daß nach dem Aufbringen der ersten Schrumpffolie die Wendevorrichtung ohne Wenden von dem betreffenden Stapel lediglich passiert und dann die erste Schrumpffolie in der Schrumpfvorrichtung angeschrumpft werden kann, worauf der Stapel zur Wendevorrichtung zurückfährt, dort gewendet wird, in die Schrumpffolienaufbringvorrichtung zurückbewegt und dort mit der zweiten Schrumpffolie überzogen und dann unter erneutem einfachen Passieren der Wendevorrichtung wieder in die Schrumpfvorrichtung zum Anschrumpfen der zweiten Schrumpffolie transportiert wird. Zum Profilieren der Nischen müssen bei dieser bekannten Anlage allerdings zusätzlich auch noch zwei Profiliereinrichtungen vorgesehen sein, nämlich eine vor der Schrumpfvorrichtung zum Profilieren der Nischen, wenn diese oben sind und eine nach der Schrumpfvorrichtung zum Profilieren der Nischen, wenn diese nach dem Wenden des Stapels unten sind.It is also known (DE-PS 27 60 249), in systems with a lower power requirement to reduce the appa relative effort to arrange the turning device between a single shrink film applicator and a single shrinking device, so that after the application of the first shrink film the turning device only passes without turning the stack in question and then the first shrink film can be shrunk in the shrinking device, whereupon the stack returns to the turning device , is turned there, moved back into the shrink film application device and covered there with the second shrink film and then transported again simply by passing the turning device back into the shrinking device for shrinking on the second shrink film. For profiling the niches in this known system, however, two profiling devices must also be provided, namely one in front of the shrinking device for profiling the niches when they are on top and one after the shrinking device for profiling the niches when they are turned after the stack has been turned down are.
Aufgabe der Erfindung ist es nun, eine Lösung zu schaffen, welche den erforderlichen Raumbedarf und apparativen Aufwand weiter verringert, insbesondere bei Anlagen mit einem geringeren Leistungsbedarf ähnlich der Vorrichtung gemäß DE-PS 27 60 249 und gleichzeitig möglichst formbeständige und stabile Stapel ähnlich der Vorrichtung gemäß DE-PS 27 43 568 bildet.The object of the invention is to provide a solution which further reduces the required space and equipment, especially in systems with a lower power requirement similar to the device according to DE-PS 27 60 249 and at the same time as stable and stable stack similar to the device according to DE-PS 27 43 568 forms.
Bei einer Vorrichtung der eingangs bezeichneten Art wird diese Aufgabe gemäß der Erfindung dadurch gelöst, daß die einzige Schrumpffolienaufbringvorrichtung und die einzige Schrumpfvorrichtung als Kombinationsvorrichtung mit einer gemeinsamen Förder- und Standbahn ausgebildet sind und daß die Formwerkzeuge der Profiliervorrichtung der betreffenden Förderfläche der nachgeschalteten Wendevorrichtung fest zugeordnet und mittels an der Wendevorrichtung angeordneter Antriebsmittel nach dem Aufbringen und Anschrumpfen der ersten Schrumpffolie in Formstellung in die Nischen, nach dem Wenden des Stapels in Freigabestellung und nach Rückführung des Stapels zur kombinierten Schrumpffolienaufbring- und Schrumpfvorrichtung und dortigem Überziehen und Anschrumpfen der zweiten Schrumpffolie und darauf erneutem Zuführen zur Wendevorrichtung zum Nachprofilieren der Nischen wieder in Formstellung und nachfolgend zum seitlichen Abtransportieren des Stapels erneut in Freigabestellung bewegbar sind.In a device of the type mentioned, this object is achieved according to the invention in that the only shrink film application device and the only shrinking device are designed as a combination device with a common conveying and standing path and in that the shaping tools of the profiling device are permanently assigned to the relevant conveying surface of the downstream turning device and by means of drive means arranged on the turning device after the application and shrinking of the first shrink film in the form position in the niches, after turning the stack in the release position and after returning the stack to the combined shrink film application and shrinking device and there covering and shrinking of the second shrink film and re-feeding thereon can be moved to the turning device for re-profiling the niches again in the shape position and subsequently for the lateral removal of the stack again in the release position.
Aufgrund dieser Ausgestaltung ergibt sich zunächst eine wesentlich kompaktere Gesamtanlage, nämlich eine Verkürzung der Anlage um die Hälfte, weil anstelle von sechs in Linie angeordneten Einzelvorrichtungen, nämlich Palettierer, Schrumpffolienaufbringvorrichtung, Wendevorrichtung, Profiliervorrichtung oben, Schrumpfvorrichtung und Profiliervorrichtung unten nur noch drei Einzelvorrichtungen in Linie anzuordnen sind, nämlich Palettierer, kombinierte Schrumpffolienaufbring- und Schrumpfvorrichtung und Wendevorrichtung mit Profiliervorrichtung oben und unten. Außerdem ergeben sich wesentlich geringere Wegezeiten zwischen den einzelnen Vorrichtungen und auch etwas kürzere Funktionszeiten in den Einzelvorrichtungen, wie nachfolgend noch näher erläutert wird. Schließlich ist auch trotz Komplizierung und Mehraufwand für die kombinierten Einzelvorrichtungen der apparative Gesamtaufwand geringer, weil bei der kombinierten Schrumpffolienaufbring- und Schrumpfvorrichtung ein Gestell für bisher zwei Maschinen und bei der kombinierten Wende- und Profiliervorrichtung ein Gestell für bisher drei Maschinen verwendbar ist und jeweils eine entsprechende Zahl von Förderflächen für die Einzelmaschinen und von diese miteinander verbindenen Förderabschnitten entfällt.Due to this design, the overall system is much more compact, namely a shortening of the system by half, because instead of six individual devices arranged in line, namely palletizers, shrink film applicator, turning device, profiling device above, shrinking device and profiling device below, only three individual devices in line to be arranged, namely palletizers, combined shrink film application and shrinking device and turning device with profiling device above and below. In addition, there are significantly shorter travel times between the individual devices and also somewhat shorter operating times in the individual devices, as will be explained in more detail below. Finally, despite the complication and additional effort for the combined individual devices, the overall outlay in terms of apparatus is less, because in the combined shrink film application and shrinking device a frame for previously two machines and in the combined turning and profiling device one frame for previously three machines and a corresponding one each can be used The number of conveying areas for the individual machines and the conveying sections connecting them to one another is eliminated.
In Weiterbildung der Erfindung ergibt sich eine besonders vorteilhafte Ausgestaltung, wenn als Formwerkzeuge vor dem Anfang und hinter dem Ende der betreffenden Förderfläche der Wendevorrichtung zwischen dieser und jeweils dem vor- bzw. nachgeschalteten Förderer je ein in die Nischen bis zum Anschlag an deren waagerechte Wände einfahrbares Förderelement vorgesehen ist, wobei die betreffende Förderfläche mit den beidseitigen Förderelementen eine Länge aufweist, die etwa der Länge der gegenüberliegenden Förderfläche entspricht, teilweise ähnlich, wie dies bei einer Vorrichtung zum Profilieren der unten befindlichen Nischen eines Stapels bereits bekannt ist (DE-PS 28 39 089).In a further development of the invention, a particularly advantageous embodiment results if, as molding tools before the start and after the end of the conveying surface of the turning device in question, between this and the respective upstream or downstream conveyor, one can be inserted into the niches up to the stop on their horizontal walls Conveying element is provided, the conveying surface in question with the conveying elements on both sides having a length which corresponds approximately to the length of the opposing conveying surface, in some cases similar to that of a Device for profiling the niches below a stack is already known (DE-PS 28 39 089).
Dabei kann jedes Förderelement als Rollensatz ausgebildet sein, wie dies zum Ein- und Ausfahren des Stapels mit unten befindlichen Nischen in die bzw. aus der Wendevorrichtung besonders günstig ist.Each conveyor element can be designed as a set of rollers, as is particularly favorable for moving the stack in and out with niches located at the bottom into and out of the turning device.
Jedes Förderelement kann aber grundsätzlich auch als Förderband oder Mehrfach-Riementrieb ausgebildet sein.In principle, however, each conveyor element can also be designed as a conveyor belt or multiple belt drive.
Zweckmäßig kann man die Ausbildung dabei derart treffen, daß die Bewegungen der Förderelemente an die Nischen unterschiedlich bemessener Verpackungseinheiten bzw. Stapel anpaßbar sind.Appropriately, the training can be made such that the movements of the conveying elements can be adapted to the niches of differently sized packaging units or stacks.
Schließlich kann der Förderer der kombinierten Schrumpffolienaufbringvorrichtung- und Schrumpfvorrichtung vor dem Beginn des Schrumpfens anhebbar und nach dem Anschrumpfen der Schrumpffolie im untersten Bereich des Stapels wieder absenkbar sein, damit der bei einer kombinierten Schrumpffolienaufbring- und Schrumpfvorrichtung oberhalb von die Schrumpffolie aufbringenden Elementen an einem gemeinsamen heb- und senkbaren Rahmen angeordnete Schrumpfbrenner o. dgl. den untersten Bereich des Stapels gut erreichen kann. Die Erfindung ist nachstehend anhand der Zeichnung beispielsweise näher erläutert. Diese zeigt in:
- fig. 1 eine schematische Seitenansicht der Gesamtvorrichtung gemäß der Erfindung,
- Fig. 2 eine schematische Übersicht der Arbeitsabläufe der Gesamtvorrichtung gemäß Fig. 1,
- Fig. 3 eine schematische Darstellung der Funktions- und Wegezeiten der bekannten Anlage nach DE-PS 27 60 249 und in
- Fig. 4 eine Fig. 3 ähnliche Darstellung der Funktions-und Wegezeiten der Vorrichtung gemäß der Erfindung.
- fig. 1 is a schematic side view of the overall device according to the invention,
- 2 shows a schematic overview of the work processes of the overall device according to FIG. 1,
- Fig. 3 is a schematic representation of the function and travel times of the known system according to DE-PS 27 60 249 and in
- 4 shows a representation similar to FIG. 3 of the functional and travel times of the device according to the invention.
Die in Fig. 1 wiedergegebene Gesamtanlage weist einen Palettierer 1 üblicher Bauweise, eine kombinierte Schrumpffolienaufbring- und Schrumpfvorrichtung 2, ebenfalls grundsätzlich bekannter Art, und eine grundsätzlich neu erfindungsgemäß gestaltete Wendevorrichtung 3 auf, sowie einen letzterer nachgeschalteten Abnahmeförderer 4 und Zwischenförderer 5 zwischen Palettierer 1 und kombinierter Schrumpffolienaufbring- und Schrumpfvorrichtung 2 und letzterer und der Wendevorrichtung 3.The overall system shown in FIG. 1 has a
Die Kombinationsvorrichtung 2 ist mit einer mittels Scherenhubwerk 6 heb- und senkbaren Förder- und Standbahn 7 ausgerustet sowie mit einem vorzugsweise mittels nicht gezeigter Ketten heb- und senkbaren Rahmen 8, an dem oben ein ringsum verlaufender Schrumpfbrenner 9 o. dgl. angeordnet ist sowie unten in Form von Spreizfingern ausgebildete Elemente 10 zum Aufbringen von Schrumpffolienhauben auf einen auf der Förder und Standbahn befindlichen, in Fig. 1 der übersichtlichkeit halber nicht dargestellten Stapel (in Fig. 2 mit S bezeichnet).The
Die Wendevorrichtung 3 ist mit zwei gegenläufig zueinander beweglichen Förderflächen 11 und 12 versehen, die insgesamt mit ihren die Gegeneinanderbeweglichkeit ermöglichenden Führungen und Antriebsmitteln um eine Achse 13 drehbar sind, dies alles wie bisher bekannt.The
Neu bei der Wendevorrichtung 3 ist, daß einer der beiden Förderflächen, nämlich der in Fig. l oberen Förderfläche 12 beidseitig je ein aus einem Rollensatz gebildetes Förderelement 14 zugeordnet ist, wobei diese beiden Förderelemente 14 gemeinsam gegenüber der betreffenden Förderfläche 12 in Richtung auf die mittige Achse 13 mittels nicht dargestellter Antriebsmittel beweglich ausgebildet sind. Die Länge der Förderfläche 12 mit den beidseitigen Förderelementen 14 ist dabei im wesentlichen gleichlang wie die andere in Fig. 1 unten befindliche Förderfläche 11.-Die Wirkungsweise der Gesamtvorrichtung gemäß Fig. 1 ist nachstehend unter besonderem Bezug auf Fig. 2 näher erläutert, wobei in dieser Fig. 2 unterhalb des dargestellten Stapels S jeweils das Bezugszeichen der Einzelvorrichtung 1, 2, 3 oder 4 angegeben ist, in der sich der Stapel jeweils befindet uno mit hinzugesetzten Buchstaben-Indizes a, b usw. hintereinander in der betreffenden Vorrichtung stattfindende Stadien wiedergegeben sind. Die Förderebene ist durch gestrichelte Linien mit dem Buchstaben F gekennzeichnet. N is eu at the
Die erste Stadiendarstellung in Fig. 2 verdeutlicht demnach, daß im Palettierer 1 ein Stapel S gebildet worden ist, der aus einer Anzahl von Normalschichten 15 und einer oberen Sonderschicht 16 mit seitlichen Nischen 17 besteht, wobei jede der Schichten 15 und 16 nach einem bestimmten Packmuster gebildet ist. Aus dem Palettierer 1 gelangt der Stapel S über den Zwischenförderer 5 in die Kombinationsvorrichtung 2, wo der Stapel zunächst mit einer kurzen Schrumpffolienhaube 18 überzogen wird, wie bei 2a gezeigt ist. Anschließend wird eine lange erste Schrumpffolienhaube 19 über den Stapel S gezogen, und die Förder- und Standbahn 7 der Kombinationsvorrichtung 2 angehoben, wie 2b zeigt. Der untere Bereich des Stapels befindet sich nun in einer solchen Stellung zum Schrumpfbrenner 9 der Kombinationsvorrichtung 2, daß ein gutes Anschrumpfen in diesem unteren Bereich des Stapels gewährleistet ist, wie 2c zeigt. Anschließend fährt der gemeinsame Rahmen 8 dann aufwärts und schrumpft dabei die beiden Schrumpfhauben 18 und 19 eng an den Stapel an, was nicht näher dargestellt ist. Ggf. kann das vollständige Anschrumpfen der beiden Hauben 18 und 19 auch nach einem ersten Anschrumpfen im unteren Bereich des Stapels von oben nach unten erfolgen, womit erreicht werden soll, daß die Luft innerhalb des Stapels weitgehend entweicht.The first stage representation in FIG. 2 thus shows that a stack S has been formed in the
Darauf wird die Förder- und Standbahn 7 der Kombinationsvorrichtung 2 wieder abgesenkt und der Stapel über den Zwischenförderer 5 auf die Förderfläche 11 der Wendevorrichtung 3 transportiert. Die Förderflächen 11 und 12 werden zusammengefahren und anschließend die beidseits der kürzeren oberen Förderfläche 12 angeordneten Förderelemente 14 in die Nischen 17 abgesenkt, wie 3a zeigt, wodurch ein sauberes Ausformen dieser Nischen erfolgt. Dann wird der Stapel S um 180° gedreht, wie 3b zeigt und seitlich über den Zwischenförderer 5 zurück auf die Förder- und Standbahn 7 der Kombinationsvorrichtung 2 transportiert, wie 3c zeigt. In der Kombinationsvorrichtung 2 erfolgt das Überziehen einer zweiten oder Konterhaube 20 wie 2d zeigt und nachfolgend das Anschrumpfen dieser zweiten oder Konterhaube 20 an den Stapel wie 2e wiedergibt. Darauf erfolgt ein erneuter Transport des Stapels über den Zwischenförderer 5 zur Wendevorrichtung 3 auf die hier noch unten befindliche kürzere Forderfläche 12 mit nachiolgendem Linfahren der Förderlemente 14 in die Nischen 17 zum Nachprofilieren derselben wie 3d und 3e wiedergeben. Nach ausreichendem Erkalten der Schrumpffolien wird der nun vollständig mit Schrumpffolie umhüllte und angeschrumpfte Stapel S seitlich auf den Abgabeförderer 4 transportiert wie 3f und 4a wiedergeben, worauf dann schließlich der fertige Stapel mittels Huborganen 21, beispielsweise der Gabelzinken eines Gabelstaplers, abtransportiert wird, wie 4b wiedergibt.The conveying and standing
Zur Verdeutlichung der Vorteile der Erfindung gegenüber dem Stand der Technik sind in den Fig. 3 und 4 die Wege-und Funktionszeiten der bekannten Vorrichtung gemäß DE-PS 27 60 249 (Fig. 3) und der erfindungsgemäßen Vorrichtung (Fig. 4) einander gegenübergestellt, wobei die Wegezeiten in Richtung der Koordinatenachse y und die Funktionszeiten in Richtung der Koordinatenachse x schematisch dargestellt sind. Dabei sind die einzelnen Arbeitsschritte wie folgt mit Buchstaben bezeichnet:
Daraus ergibt sich vor allem, daß die Wegezeiten ganz beträchtlich, nämlich fast um das Dreifache geringer bei der erfindungsgemäßen Vorrichtung sind als beim Stand der Technik, aber auch bei den Funktionszeiten sich noch eine wenn auch gerinfügigere Verringerung ergibt.The main result of this is that the travel times are quite considerable, namely almost three times less in the device according to the invention than in the prior art, but there is also a slight reduction in the operating times.
Natürlich ist das beschriebene Ausführungsbeispiel in vielfacher Weise abzuändern, ohne den Grundgedanken der Erfindung zu verlassen. So kann von der erfindungsgemäß kombinierten Wende- und Profiliervorrichtung auch in Verbindung mit anders gestalteten Schrumpffolienaufbring- und Schrumpfvorrichtungen mit Vorteil Gebrauch gemacht werden, beispielsweise bei einem Verfahren, bei dem anstelle einer zweiten Schrumpffolienhaube bzw. Konterhaube nach dem Wenden des Stapels eine mehr oder weniger tief an den Seitenflachen des Stapels herabhängende Flachfolie auf den gewendeten Stapel aufgebracht und geschrumpft wird, ggf. ebenfalls in einer entsprechend gestalteten kombinierten Schrumpffolienaufbring- und Schrumpfvorrichtung. Auch könnte natürlich die erfindungsgemäß kombinierte Wende-und Profiliervorrichtung mit einer sogenannten langen Linie, d.h. jeweils einer kombinierten Folienaufbring- und Schrumpfvorrichtung vor und nach der kombinierten Wende-und Profiliervorrichtung vorgesehen sein, wobei dann aller- dings von den Vorteilen der Erfindung nur in verschlechterter Form Gebrauch gemacht wird. In ähnlicher noch weiter verschlechterter Form könnten der kombinierten Wende-und Profiliervorrichtung natürlich auch jeweils gesonderte Schrumpffolienaufbring- und Schrumpfvorrichtungen vor- und nachgeschaltet sein. Schließlich könnte man auch noch in der Wendevorrichtung jeder der beiden gegeneinander beweglichen Förderflächen in die Nischen der Sonderschicht einfahrbare Förderelemente zuordnen, wenn man das Drehen der Wendevorrichtung nach dem Verlassen des Stapels mit vollständig umhüllter Schrumpffolie zur Aufnahme des nachsten Stapels vermeiden will, obschon im allgemeinen hierfür ausreichend Zeit während des Aufbringens und Schrumpfens aer Schrumpffolien in der vorgeschalteten kombinierten Schrumpffolienaufbring- und Schrumpfvorrichtung zur Verfügung steht u. dgl. mehr.Of course, the exemplary embodiment described can be modified in many ways without departing from the basic idea of the invention. Thus, the turning and profiling device combined according to the invention can also be used advantageously in connection with differently designed shrink film application and shrinking devices, for example in a method in which instead of a second shrink film hood or counter hood a more or less deep after turning the stack flat film hanging down on the side faces of the stack is applied to the turned stack and shrunk, possibly also in a suitably designed combined shrink film application and shrinking device. Of course, the turning and profiling device combined according to the invention could also have a so-called long line, ie a combined film application and shrinking device before and after the combined turning and and profiler may be provided, in which case made aller- d ings of the advantages of the invention only in degraded form of use. In a similar, even further deteriorated form, the combined turning and profiling device could of course also be preceded and followed by separate shrink film application and shrinking devices. Finally, one could also assign conveyable elements that can be moved into the niches of the special layer in the turning device of each of the two mutually movable conveying surfaces if one wants to avoid turning the turning device after leaving the stack with the shrink film completely covered to accommodate the next stack, although generally for this sufficient time during the application and shrinking of aer shrink films in the upstream combined shrink film application and shrinking device is available u. Like. more.
Claims (7)
mit Schrumpffolienaufbringvorrichtung, Schrumpfvorrichtung, einer zwei von entgegengesetzten Seiten gegen den Stapel bewegliche Förderflächen aufweisenden Wendevorrichtung und einer einzigen mit letzterer kombinierten Profiliervorrichtung zum Ausformen der Schrumpffolien in den Nisehen, deren einer der beiden Förderflächen der Wendevorrichtung zuzuordnende Formwerkzeuge vor dem Wenden des Stapels in Formstellung verbringbar und während des Wendens des Stapels in Formstellung haltbar sind,
dadurch gekennzeichnet,
daß die einzige Schrumpffolienaufbringvorrichtung und die einzige Schrumpfvorrichtung als Kombinationsvorrichtung (2) mit einer gemeinsamen Förder- und Standbahn (7) ausgebildet sind und daß die Formwerkzeuge (14) der Profiliervorrichtung der betreffenden Förderfläche (12) der nachgeschalteten Wendevorrichtung (3) fest zugeordnet und mittels an der Wendevorrichtung angeordneter Antriebsmittel nach dem Aufbringen und Schrumpfen der ersten Schrumpffolie (18-19) in Formstellung in die Nischen (17), nach dem Wenden des Stapels (S) in Freigabestellung und nach Rückführung des Stapels zur kombinierten Schrumpffolienaufbring- und Schrumpfvorrichtung (2) und dortigem Uberziehen und Anschrumpfen der zweiten Schrumpffolie (20) und darauf erneutem Zuführen zur Wendevorrichtung (3) zum Nachprofilieren der Nischen (17) wieder in Formstellung und nachfolgend zum seitlichen Abtransportieren des Stapels (S) erneut in Freigabestellung bewegbar sind.1. A device for carrying out a method for producing a fully coated with heat-shrink film, without pallets, a plurality of layers stacked G e-genstände package containing unit, said first plurality of layers are übereinanoergestapelt of articles with the same base area, onto which a special layer of articles is stacked in such a way that at least two mutually parallel niches are formed for later gripping of supporting elements of a lifting device, a first shrink film is applied to the entire stack, which is subsequently shrunk tightly onto the stack by application of heat, whereupon the entire stack is rotated by 180 ° in such a way, that the special layer with the recesses comes to the bottom, whereupon a second shrink foil is applied to the stack and subsequently shrunk by application of heat close to the stack, turning the stack nschrumpfen before and / or after the a of the second shrinkable ol the shrink films are formed in the niches,
with shrink film applicator, shrink device, a turning device having two conveying surfaces movable against the stack from opposite sides and a single profiling device combined with the latter for shaping the shrink films in the Ni see whose one of the two conveying surfaces of the turning device to be assigned to molds prior to turning the stack in the mold position and are stable during the turning of the stack in the mold position,
characterized,
that the only shrink film applicator and the only shrink device are designed as a combination device (2) with a common conveying and standing path (7) and that the shaping tools (14) of the profiling device of the relevant conveying surface (12) of the downstream turning device (3) are permanently assigned and by means Drive means arranged on the turning device after the application and shrinking of the first shrink film (18-19) in the shape position in the niches (17), after turning the stack (S) in the release position and after returning the stack to the combined shrink film application and shrinking device (2 ) and there covering and shrinking of the second shrink film (20) and then re-feeding to the turning device (3) for re-profiling the niches (17) again in the form position and subsequently for the lateral removal of the stack (S) can be moved again in the release position.
dadurch gekennzeichnet,
daß als Formwerkzeuge vor dem Anfang und hinter dem Ende der betreffenden Förderfläche (12) der Wendevorrichtung (3) zwischen dieser und jeweils dem vor- bzw. nachgeschalteten Förderer (4,5) je ein in die Nischen (17) bis zum Anschlag an deren waagerechte Wände einfahrbares Förderelement (14) vorgesehen ist, wobei die betreffende Förderfläche (12) mit den beidseitigen Förderelementen (14) eine Länge aufweist, die etwa der Länge der gegenüberliegenden Förderfläche (11) entspricht.2. Device according to claim 1,
characterized,
that as molding tools before the beginning and behind the end of the conveyor surface (12) of the turning device in question (3) a conveyor element (14) which can be moved into the niches (17) up to the stop on the horizontal walls thereof is provided between the conveyor and the upstream or downstream conveyor (4, 5), the relevant conveying surface (12) being included the conveyor elements (14) on both sides have a length which corresponds approximately to the length of the opposite conveyor surface (11).
dadurch gekennzeichnet,
daß jedes Förderelement als Rollensatz (14) ausgebildet ist.3. Device according to claim 2,
characterized,
d ate each conveyor element is designed as a set of rollers (14).
daß jedes Förderelement als Förderband ausgebildet ist.4. The device according to claim 2, characterized in
that each conveyor element is designed as a conveyor belt.
dadurch gekennzeichnet,
daß jedes Förderelement als Mehrfach-Riementrieb ausgebildet ist.5. The device according to claim 2,
characterized,
that each conveyor element is designed as a multiple belt drive.
dadurch gekennzeichnet,
daß die Bewegungen der Förderelemente (14) an die Nischen (17) unterschiedlich bemessener Stapel (S) anpaßbar sind.6. The device according to claim 2 or one of the following,
characterized,
that the movements of the conveying elements (14) can be adapted to the niches (17) of different sized stacks (S).
dadurch gekennzeichnet,
daß die Förder- und Standbahn (7) der kombinierten Schrumpffolienaufbring- und Schrumpfvorrichtung (2) vor dem Beginn des Schrumpfens anhebbar und nach dem Anschrumpfen der Schrumpffolie im untersten Bereich des Stapels (S) wieder absenkbar ist.7. The device according to claim 1 or one of the following,
characterized,
that the conveying and standing path (7) of the combined shrink film application and shrinking device (2) can be raised before the start of shrinking and can be lowered again after shrinking on the shrink film in the lowest region of the stack (S).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT87100308T ATE42520T1 (en) | 1986-06-25 | 1987-01-13 | DEVICE FOR PRODUCTION OF A PALLET-LESS PACKAGING UNIT COMPLETELY WRAPPED WITH SHRINK FILM. |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19863621296 DE3621296A1 (en) | 1986-06-25 | 1986-06-25 | DEVICE FOR PRODUCING A PALLETLESS PACKAGING UNIT COMPLETELY COVERED WITH SHRINK FILM |
| DE3621296 | 1986-06-25 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0250697A1 true EP0250697A1 (en) | 1988-01-07 |
| EP0250697B1 EP0250697B1 (en) | 1989-04-26 |
Family
ID=6303679
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP87100308A Expired EP0250697B1 (en) | 1986-06-25 | 1987-01-13 | Apparatus for producing a pallet-less packaging unit entirely wrapped with shrink foil |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US4724652A (en) |
| EP (1) | EP0250697B1 (en) |
| JP (1) | JPH0825545B2 (en) |
| CN (1) | CN1008169B (en) |
| AT (1) | ATE42520T1 (en) |
| DE (2) | DE3621296A1 (en) |
| ES (1) | ES2007571B3 (en) |
| RU (1) | RU1773251C (en) |
| UA (1) | UA11238A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102009052551A1 (en) | 2009-11-10 | 2011-05-12 | Maschinenfabrik Möllers Gmbh | Method and device for producing a packaging unit |
| WO2011138017A1 (en) * | 2010-05-04 | 2011-11-10 | Maschinenfabrik Möllers Gmbh | System for producing a packaging unit |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3639472A1 (en) * | 1986-11-18 | 1988-05-19 | Moellers Maschf Gmbh | DEVICE FOR PRODUCING A PACKAGING UNIT COMPLETELY COVERED WITH SHRINK FILM |
| ES2077751T3 (en) * | 1990-09-13 | 1995-12-01 | Hannen Reiner Develog | PROCEDURE FOR PLACING ELASTIC COATING SHEETS ON A BATCH OF STACKED OBJECTS AND DEVICE FOR PERFORMING THE PROCEDURE. |
| IT1282609B1 (en) * | 1996-02-13 | 1998-03-31 | Italdibipack Spa | PACKAGING MACHINE FOR DIFFERENT PRODUCTS IN HEAT SHRINK PLASTIC FILM |
| WO2000040474A1 (en) * | 1999-01-04 | 2000-07-13 | Clark David W | Shield for bottle and method |
| US6772575B2 (en) * | 2002-12-30 | 2004-08-10 | Lantech Management Corp. And Lantech Holding Corp. | Shrink wrap apparatus and method of shrink wrapping products |
| EP2036818B1 (en) * | 2007-11-30 | 2011-05-25 | Maschinenfabrik Möllers GmbH | Method for manufacturing a palletless packaging unit |
| DE202008003760U1 (en) * | 2008-03-18 | 2009-07-23 | Autefa Automation Gmbh | packaging device |
| DE102009020454B3 (en) | 2009-05-08 | 2010-10-28 | Maschinenfabrik Möllers Gmbh | Method and device for producing a palletless packaging unit and palletless packaging unit |
| DE102010012597A1 (en) * | 2010-03-24 | 2011-09-29 | Multivac Sepp Haggenmüller Gmbh & Co. Kg | Device for transporting objects |
| DE102010019262A1 (en) | 2010-05-04 | 2011-11-10 | Maschinenfabrik Möllers Gmbh | Device for loading and unloading loading units |
| ITPR20130067A1 (en) * | 2013-08-30 | 2015-03-01 | Forpac S R L | SHRINKER AND COLD PACKAGING PROCEDURE OF OBJECTS WITH EXTENSIBLE FILM |
| US10730652B2 (en) * | 2014-10-28 | 2020-08-04 | Heat Seal Llc | Packaging machine and method for fabricating sheet metal housing components |
| EP3312099B1 (en) * | 2016-10-18 | 2019-03-20 | Maschinenfabrik Möllers GmbH | Method for producing a pallet-free packaging unit and packaging unit manufactured according to this method |
| JP6647345B2 (en) * | 2018-06-14 | 2020-02-14 | コアレックス信栄株式会社 | Manufacturing method of package |
| DE102019216346A1 (en) * | 2019-10-23 | 2021-04-29 | Signode Industrial Group Llc | Method and device for packaging a stack of goods in a tubular stretch film |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2346229A1 (en) * | 1976-04-03 | 1977-10-28 | Moellers E Fa | METHOD AND DEVICE FOR MAKING UP PACKAGES WITHOUT PALLET |
| FR2454410A1 (en) * | 1979-04-21 | 1980-11-14 | Laessig Foerdertech Hamburg | Palletless sack batch assembling - involves wrapping batch in shrink foil, compressed around auxiliary pallet recesses during shrinking |
| GB2098956A (en) * | 1981-05-21 | 1982-12-01 | Beumer Maschf Bernhard | Plant for producing heat-shrunk wrapped pallet-less stacks |
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|---|---|---|---|---|
| DE2760249C2 (en) * | 1976-04-03 | 1985-11-07 | Birkenfeld, Richard | Device for the production of palletless packaging units |
| DE2743568C2 (en) * | 1977-09-28 | 1983-09-29 | Richard Birkenfeld | Method and device for the production of palletless packages |
| FR2417434A1 (en) * | 1978-02-18 | 1979-09-14 | Moellers Maschf | DEVICE FOR INTRODUCING PARTS OF A CONTRACTABLE PACKAGING SHEET INTO RECESSED ZONES PROVIDED ON THE SIDES OF A STACK OF OBJECTS |
| DE2839089C2 (en) * | 1978-09-08 | 1980-07-17 | Birkenfeld, Richard, 4720 Beckum | Device for demolding shrink film hood parts in niches of a stack |
| FR2473985A1 (en) * | 1980-01-17 | 1981-07-24 | Thimon | MACHINE FOR PACKING A LOAD IN A SHEET STRING IN A FLEXIBLE MATERIAL |
| DE3262894D1 (en) * | 1981-10-16 | 1985-05-09 | Msk Verpackung Syst Gmbh | Method and device for packaging goods stacked on a pallet |
-
1986
- 1986-06-25 DE DE19863621296 patent/DE3621296A1/en not_active Ceased
-
1987
- 1987-01-13 ES ES87100308T patent/ES2007571B3/en not_active Expired - Lifetime
- 1987-01-13 EP EP87100308A patent/EP0250697B1/en not_active Expired
- 1987-01-13 DE DE8787100308T patent/DE3760116D1/en not_active Expired
- 1987-01-13 AT AT87100308T patent/ATE42520T1/en not_active IP Right Cessation
- 1987-03-06 JP JP62050441A patent/JPH0825545B2/en not_active Expired - Lifetime
- 1987-03-20 RU SU874202158A patent/RU1773251C/en active
- 1987-03-20 UA UA4202158A patent/UA11238A/en unknown
- 1987-04-09 US US07/036,373 patent/US4724652A/en not_active Expired - Lifetime
- 1987-04-20 CN CN87102880A patent/CN1008169B/en not_active Expired
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2346229A1 (en) * | 1976-04-03 | 1977-10-28 | Moellers E Fa | METHOD AND DEVICE FOR MAKING UP PACKAGES WITHOUT PALLET |
| FR2454410A1 (en) * | 1979-04-21 | 1980-11-14 | Laessig Foerdertech Hamburg | Palletless sack batch assembling - involves wrapping batch in shrink foil, compressed around auxiliary pallet recesses during shrinking |
| GB2098956A (en) * | 1981-05-21 | 1982-12-01 | Beumer Maschf Bernhard | Plant for producing heat-shrunk wrapped pallet-less stacks |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102009052551A1 (en) | 2009-11-10 | 2011-05-12 | Maschinenfabrik Möllers Gmbh | Method and device for producing a packaging unit |
| EP2322433A1 (en) | 2009-11-10 | 2011-05-18 | Maschinenfabrik Möllers GmbH | Method and device for manufacturing a packaging unit |
| WO2011138017A1 (en) * | 2010-05-04 | 2011-11-10 | Maschinenfabrik Möllers Gmbh | System for producing a packaging unit |
Also Published As
| Publication number | Publication date |
|---|---|
| DE3621296A1 (en) | 1988-01-14 |
| CN87102880A (en) | 1988-01-06 |
| US4724652A (en) | 1988-02-16 |
| CN1008169B (en) | 1990-05-30 |
| ATE42520T1 (en) | 1989-05-15 |
| UA11238A (en) | 1996-12-25 |
| RU1773251C (en) | 1992-10-30 |
| JPH0825545B2 (en) | 1996-03-13 |
| DE3760116D1 (en) | 1989-06-01 |
| JPS6312434A (en) | 1988-01-19 |
| EP0250697B1 (en) | 1989-04-26 |
| ES2007571B3 (en) | 1991-11-01 |
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