EP0745047B1 - Process and device for packing pressed bales and packing blank - Google Patents
Process and device for packing pressed bales and packing blank Download PDFInfo
- Publication number
- EP0745047B1 EP0745047B1 EP95909727A EP95909727A EP0745047B1 EP 0745047 B1 EP0745047 B1 EP 0745047B1 EP 95909727 A EP95909727 A EP 95909727A EP 95909727 A EP95909727 A EP 95909727A EP 0745047 B1 EP0745047 B1 EP 0745047B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- packing
- blanks
- coating
- bale
- blank
- 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
Links
- 238000000034 method Methods 0.000 title claims abstract description 23
- 238000012856 packing Methods 0.000 title claims abstract 33
- 238000000576 coating method Methods 0.000 claims abstract description 39
- 239000011248 coating agent Substances 0.000 claims abstract description 34
- 239000000853 adhesive Substances 0.000 claims abstract description 15
- 230000001070 adhesive effect Effects 0.000 claims abstract description 15
- 239000004753 textile Substances 0.000 claims abstract description 7
- 238000003466 welding Methods 0.000 claims abstract description 6
- 238000007789 sealing Methods 0.000 claims description 21
- 239000004033 plastic Substances 0.000 claims description 12
- 229920003023 plastic Polymers 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 10
- 239000004698 Polyethylene Substances 0.000 claims description 9
- -1 polyethylene Polymers 0.000 claims description 9
- 229920000573 polyethylene Polymers 0.000 claims description 9
- 239000002657 fibrous material Substances 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims description 7
- 238000003825 pressing Methods 0.000 claims description 7
- 238000004026 adhesive bonding Methods 0.000 claims description 6
- 230000001747 exhibiting effect Effects 0.000 claims 3
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- 238000004806 packaging method and process Methods 0.000 description 64
- 238000002844 melting Methods 0.000 description 9
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Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B9/00—Presses specially adapted for particular purposes
- B30B9/30—Presses specially adapted for particular purposes for baling; Compression boxes therefor
- B30B9/3003—Details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B9/00—Presses specially adapted for particular purposes
- B30B9/30—Presses specially adapted for particular purposes for baling; Compression boxes therefor
- B30B9/3003—Details
- B30B9/301—Feed means
-
- 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
- B65B11/58—Applying two or more wrappers, e.g. in succession
-
- 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
- B65B27/00—Bundling particular articles presenting special problems using string, wire, or narrow tape or band; Baling fibrous material, e.g. peat, not otherwise provided for
- B65B27/12—Baling or bundling compressible fibrous material, e.g. peat
- B65B27/125—Baling or bundling compressible fibrous material, e.g. peat and wrapping or bagging
-
- 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
- B65D65/00—Wrappers or flexible covers; Packaging materials of special type or form
- B65D65/02—Wrappers or flexible covers
- B65D65/14—Wrappers or flexible covers with areas coated with adhesive
-
- 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
- B65D75/006—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 in stretch films
Definitions
- the invention relates to a method and a device for packaging pressed bales made of fibrous materials and a packaging blank with the features in the preamble of the independent claims.
- Such a packaging method together with packaging device in connection with a baler is known from DE-A-19 51 113.
- the bale is packed in the baler with two sacks, which are overlapped and overlapped and welded together at the point of overlap.
- the packaging bags are flexible and have a stretch to absorb the expansion pressure of the goods. If the expansion pressure of the bale becomes too great, the bale is additionally provided with a strapping or strapping which absorbs the forces.
- the single-layer plastic bags are connected to each other by a welding device on the press box with extendable welding jaws. The overlap point is located on the lower press or lacing plate, which serves as the opposite pole and abutment for the welding process.
- This type of folding in which the lower sack is turned backwards, means that the wrapping lies loosely on the bale.
- the bale should stretch a little when relieved and only then fill and tighten the packaging completely.
- the point of overlap migrates above and is stressed by the expansion forces on shear.
- the previously known packaging technology is only suitable for relatively low compression and expansion forces as well as low-density bales without additional strapping and lacing.
- high-density pressed bales are made from fibrous materials , in particular cut or strand-like textile fibers, packed in a baler with one or more resilient packaging blanks and then provided with strapping made of metal or plastic straps.
- the strapping provides support for the packaging and the bale.
- the packaging blank provided as a waist bandage is pulled off from a film wrap in the required length and welded with the ends to form a closed ring around the press bale.
- the strapping has the disadvantage that it complicates the further processing of the bale.
- the strapping is cut off or otherwise cut with a suitable tool. There is a risk that the bale will be damaged. On the other hand, there is a certain risk of accidents for operators when opening the strapping.
- DE-A 41 21 573 teaches a covering for solid bodies, which consists of several layers of wrapping film which are connected to one another by an adhesive layer.
- the wrapping films are paper or stretch films that cannot withstand any major loads and are unsuitable for the packaging of highly compressed and expanding bales.
- the wrapping technique cannot be used with a bale if it is held between two rams during the packaging process.
- the baling of the press bale can be dispensed with.
- the packaging blanks are wrapped around the bale with mutual overlap and connected to one another by gluing and / or fusing.
- the packaging is fixed in place by the adhesive and / or melt connection of the various packaging blanks.
- the method according to the invention is suitable for different types of packaging.
- two or three packaging blanks are used, which are folded in a suitable manner around the bale.
- the method according to the invention is particularly suitable for the packaging of press bales in balers, in which the press bale is held under high pressure between two press rams during the packaging process.
- the press bale preferably consists of fibrous materials, in particular cut or strand-like textile fibers, which are also known as staple fibers or Tow are referred to. Otherwise, the baling can also consist of a different material.
- the packaging blanks are tensile and stretch-resistant and have a support insert, preferably in the form of a fabric, and a meltable and / or adhesive coating.
- the coating can serve various purposes. On the one hand, it can only be present in some areas at the connection points and then serves above all to produce the adhesive or welded connection.
- the coating can be an adhesive that can be activated by pressure and / or temperature and / or a chemical reaction, or it can be a mass that is easily meltable.
- the coating can also perform sealing and protective tasks for the press bale and is then preferably applied over the entire surface of the support insert.
- the packaging withstands the expansion forces exerted by the bale very well, but on the other hand it can be removed again without great effort and in particular without risk of damage to the bale.
- the packaging blanks can be removed completely and without residues from the bale.
- the support insert and the coating consist essentially of the same type of plastic. Further advantages arise if the materials of the support insert and the Coating have different high melting temperatures, which supports the adhesive and / or melt connection positively. Polyethylene is particularly suitable for this, in which different strengths and melting temperatures can be set in a targeted manner using different manufacturing processes and internal structures.
- the packaging device can be of a known type with regard to the device components for feeding, applying and folding the packaging blanks.
- FIG. 1 shows a baler (2) for the production and packaging of baled bales (1).
- the press bales consist of fibrous materials, in particular short-cut or strand-like textile fibers, so-called staple fibers or tow.
- the baler (2) is a carousel press, but it can also be of any other type, e.g. a central press system with several pre-presses or the like.
- the fibers are filled in a press box (17) and compressed into a bale (1) with press rams (3, 4) under high pressure.
- the press rams (3, 4) develop high compressive forces of several 100 t, for example 500 t.
- the bales (1) have a weight of approx. 300-700 kg.
- the pressed bale (1) is wrapped and packed into several packaging blanks (5, 6, 7) by means of a packaging device (12).
- the packaging blanks forming the lid (5) and the bottom (6) before the pressing box (17) is filled onto the respectively associated pressing punches (3, 4). be placed and delivered by these against the bale (1).
- the lid (5) and the bottom (6) are then folded by a folding device (18) on the side surfaces of the bale (1).
- the third packaging blank (7) is wrapped around the pressed bale (1) in the form of a belly bandage. For this purpose, it is drawn off from a film roll (19).
- the abdominal bandage (7) can first be wrapped around the bale (1) and then the lid (5) and base (6) can be folded over and folded.
- the folding device (18) and the devices for feeding the packaging blanks (5, 6, 7) can be of any design.
- the embodiment shown and described above corresponds to the folding technique known from DE-A-40 15 642 and DE-A-40 15 643.
- a single packaging blank (not shown), which is designed as a sack that is open on one side or as a tube that is open on both sides. After filling, the sack or tube is closed at the open ends using a suitable folding technique and then fixed.
- the or Packaging blank (s) (5,6,7) connected by welding and / or gluing.
- the invention makes it possible to dispense with additional reinforcement of the packaging by means of straps or strapping or the like. In a worsened embodiment, however, such reinforcements can still be present.
- the individual packaging blanks (5, 6, 7) are placed around the press bale (1) with at least pairs of mutual overlap (10).
- the overlaps (10) form the connection points.
- the packaging blanks (5, 6, 7) are glued and / or welded to one another by means of a sealing device (13), whereby the so-called connections (11) are created.
- the sealing device (13) is preferably part of the packaging device (12) and is moved with it relative to the clamped press bale (1).
- the components of the packaging or sealing device (12, 13) are arranged, for example, on two trolleys which can be moved on both sides of the bale (1).
- Such trolleys are e.g. known from DE-A-40 15 643.
- Another transport system may also be present, for example according to DE-A-29 11 958.
- the sealing device (13) has a heating device (14) and / or a pressure device (15).
- the individual training and arrangement depends on the connection technology chosen and described below.
- the packaging blanks (5, 6, 7) are constructed in several layers, preferably in two layers.
- she consist of a solid support insert (8), preferably in the form of a fabric, which absorbs the forces exerted by the expanding press bale (1) and stabilizes the packaging.
- the support insert (8) can also have embedded stiffening bands or be formed in some other suitable way.
- connection points (10) it is provided with a coating (9) which enables the adhesive and / or fused connection to be produced.
- the coating (9) is present on at least one side of the support insert (8).
- the entire surface of the fabric is laminated with a coating (9).
- the coating (9) thereby envelops the press bale (1) and protects it against external environmental influences, such as dirt, water, etc.
- the fixed support insert (8) additionally protects the press bale (1) against mechanical damage.
- the packaging blanks (5, 6, 7) are made of plastic. They are preferably largely tensile, but can be folded and bent. In this respect, they are sufficiently elastic to allow the bale (1) to be struck in the desired manner, but have sufficient internal tensile and tensile strength to the bale (1) after being released from the press rams (3, 4) to keep the shape.
- the required strengths depend on the type of bale material and can be varied.
- the support insert (8) and the coating (9) also preferably different melting temperatures, the melting temperature of the support insert (8) being higher than that of the coating (9). This is again advantageous in connection with polyethylene. Due to the lower melting temperature, the coating (9) can be melted by the sealing device (13) without the support insert (8) being damaged.
- the packaging blanks (5, 6, 7) consist of polyethylene.
- the sealing device (13) has a heating device (14) in addition to the pressing device (15).
- the sealing device (13) is adapted to the arrangement of the overlaps (10) or connection points.
- the pressure device (15) consists of a plurality of pressure bars extending along the overlaps (10), which can be delivered individually or together on the press bales (1) by means of suitable drives.
- Heating devices (14) are integrated in the pressure bars. It can be electrical resistance heaters, pipe systems operated with fluidic heating means or the like.
- the pressure bars have a plurality of strip-shaped individual punches (16) which are spaced apart from one another and which protrude a little and produce melt and / or adhesive strips (11) at the connection points (10) when pressed on. They preferably extend vertically or transversely to the longitudinal direction of the overlaps (10).
- the individual stamps (16) or the melting strips or connections (11) can also be punctiform. In any case, a connection that is periodically interrupted along the overlaps (10) is created.
- the punctiform or strip-shaped connections (11) offer sufficient resistance to normal bale forces Strength. They are highly resilient to shear. On the other hand, they can be peeled off relatively easily by hand or with a suitable machine if the outer packaging blank is pulled off transversely to the bale (1).
- the packaging blanks (5, 6, 7) made of polyethylene are connected by supplying heat when the sealing device (13) is pressed on. It is advisable to align the individual packaging blanks (5, 6, 7) and place them around the press bale (1) in such a way that the coatings (9) come to rest on each other at the connection points (10).
- the coating on the lid (5) and on the bottom (6) is on the outside, while in the abdominal bandage (7) it is found on the inside facing the press bale (1).
- the tissue (8) then lies on the outside of the lower third (7).
- the adjacent coatings (9) melt and adhere to one another while applying pressure and heat.
- the coating (9) can also consist of a suitable adhesive.
- a suitable adhesive for example, coated beads can be embedded in the coating (9), which burst under the pressure of the pressed-on pressure device (15), release the adhesive and thereby ensure a connection.
- the coating (9) alone by Pressure is activated in its connection effect, heat supply and a heating device (14) can be dispensed with.
- the packaging blanks (5, 6, 7) can also have more than two layers, for example by impregnating or laminating the support insert (8) with an additional sealing coating.
- the coating (9) can also consist of a thermal adhesive which is activated by the application of pressure and heat.
- contact adhesives made of two separate, different components can be used, which react chemically and combine when they meet. In this case e.g. to find the components in two coatings (9) to be brought into contact with one another analogously to FIG. 2.
- the various connection options can result in pure adhesive connections, pure fusion connections or combined adhesive-fusion connections.
- the sealing device (13) can also be modified.
- the pressure bars can also act over the entire area of the overlaps or connection points (10) and have no strip or point-shaped individual stamps (16).
- the individual punches (16) can be present in smaller numbers and with independent drives, whereby they are moved along the clamped baling bale (1) and in the process alternately fed to create a connection (11) and then again be transported.
- the sealing device (13) can also be combined with the folding device (18), in that the first melting strips or connections (11) are already attached while the folding device (18) still wraps the abdominal bandage (7) around the baling ball (1).
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Auxiliary Devices For And Details Of Packaging Control (AREA)
- Basic Packing Technique (AREA)
- Packaging Of Annular Or Rod-Shaped Articles, Wearing Apparel, Cassettes, Or The Like (AREA)
- Laminated Bodies (AREA)
Abstract
Description
Die Erfindung betrifft ein Verfahren und eine Vorrichtung zum Verpacken von Preßballen aus faserförmigen Materialien sowie einen Packmittelzuschnitt mit den Merkmalen im Oberbegriff der nebengeordneten Ansprüche.The invention relates to a method and a device for packaging pressed bales made of fibrous materials and a packaging blank with the features in the preamble of the independent claims.
Ein solches Verpackungsverfahren nebst Verpackungsvorrichtung in Verbindung mit einer Ballenpresse ist aus der DE-A-19 51 113 bekannt. Der Ballen wird in der Ballenpresse mit zwei Säcken verpackt, die mit Überlappung übereinander geschlagen und an der Uberlappungsstelle miteinander verschweißt werden. Die Verpackungssäcke sind biegsam und haben eine Dehnbarkeit, um den Expansionsdruck des Gutes aufzunehmen. Wenn der Expansionsdruck des Ballens zu groß wird, wird der Ballen zusätzlich mit einer die Kräfte aufnehmenden Umreifung oder Verschnürung versehen. Die einlagigen Kunststoffsäcke werden durch eine am Preßkasten angeordnete Schweißvorrichtung mit ausfahrbaren Schweißbacken miteinander verbunden. Die Überlappungsstelle befindet sich an der unteren Preß- oder Schnürplatte, die als Gegenpol und Widerlager für den Schweißvorgang dient. Durch diese Art der Umlappung, bei der der untere Sack nach rückwärts umgestülpt wird, liegt die Emballage lose am Ballen an. Der Ballen soll sich beim Entlasten etwas dehnen und dann erst die Verpackung vollkommen ausfüllen und straffen. Die Uberlappungsstelle wandert dabei nach oben und wird durch die Expansionskräfte auf Scherung beansprucht. Die vorbekannte Verpackungstechnik ist ohne zusätzliche Umreifung und Verschnürung nur für relativ geringe Preß- und Expansionskräfte sowie gering verdichtete Preßballen geeignet.Such a packaging method together with packaging device in connection with a baler is known from DE-A-19 51 113. The bale is packed in the baler with two sacks, which are overlapped and overlapped and welded together at the point of overlap. The packaging bags are flexible and have a stretch to absorb the expansion pressure of the goods. If the expansion pressure of the bale becomes too great, the bale is additionally provided with a strapping or strapping which absorbs the forces. The single-layer plastic bags are connected to each other by a welding device on the press box with extendable welding jaws. The overlap point is located on the lower press or lacing plate, which serves as the opposite pole and abutment for the welding process. This type of folding, in which the lower sack is turned backwards, means that the wrapping lies loosely on the bale. The bale should stretch a little when relieved and only then fill and tighten the packaging completely. The point of overlap migrates above and is stressed by the expansion forces on shear. The previously known packaging technology is only suitable for relatively low compression and expansion forces as well as low-density bales without additional strapping and lacing.
Ähnliche Verfahren und Vorrichtungen zeigen auch die DE-A-40 15 642, DE-A-40 15 643, DE-A-29 11 958 und die DE-A-29 48 237. In den genannten Fällen werden hochverdichtete Preßballen aus faserförmigen Materialien, insbesondere geschnittenen oder strangförmigen Textilfasern, in einer Ballenpresse mit ein oder mehreren formelastischen Packmittelzuschnitten verpackt und anschließend mit einer Umreifung aus Metall- oder Kunststoffbändern versehen. Die Umreifung gibt der Verpackung und dem Preßballen Halt. Bei einer Dreifolienverpackung wird der als Bauchbinde vorgesehene Packmittelzuschnitt von einem Folienwickel in der benötigten Länge abgezogen und mit den Enden zu einem geschlossenen Ring um den Preßballen verschweißt. Zwischen der Bauchbinde und den als Deckel oder Boden fungierenden Packmittelzuschnitten besteht allerdings nur eine lose Verbindung, die durch die Umreifungen fixiert wird.Similar processes and devices are also shown in DE-A-40 15 642, DE-A-40 15 643, DE-A-29 11 958 and DE-A-29 48 237. In the cases mentioned, high-density pressed bales are made from fibrous materials , in particular cut or strand-like textile fibers, packed in a baler with one or more resilient packaging blanks and then provided with strapping made of metal or plastic straps. The strapping provides support for the packaging and the bale. In the case of a three-film packaging, the packaging blank provided as a waist bandage is pulled off from a film wrap in the required length and welded with the ends to form a closed ring around the press bale. However, there is only a loose connection between the belly bandage and the packaging blanks acting as a lid or bottom, which is fixed by the strapping.
Die Umreifungen haben den Nachteil, daß sie die Weiterverarbeitung des Preßballens erschweren. Die Umreifungsbänder werden abgeschnitten oder auf andere Weise mit einem geeigneten Werkzeug aufgetrennt. Dabei besteht die Gefahr, daß der Preßballen beschädigt wird. Zum anderen besteht für Bedienungspersonen beim Öffnen der Umreifungsbänder eine gewisse Unfallgefahr.The strapping has the disadvantage that it complicates the further processing of the bale. The strapping is cut off or otherwise cut with a suitable tool. There is a risk that the bale will be damaged. On the other hand, there is a certain risk of accidents for operators when opening the strapping.
Die DE-A 41 21 573 lehrt eine Umhüllung für feste Körper, welche aus mehreren Lagen von Wickelfolie besteht, die untereinander durch eine Klebeschicht verbunden sind. Bei den Wickelfolien handelt es sich um Papier- oder Stretchfolien, die keiner größeren Belastung standhalten und für die Verpackung von hochverdichteten und expandierenden Preßballen ungeeignet sind. Die Wickeltechnik läßt sich zudem bei einem Preßballen nicht einsetzen, wenn dieser während des Verpackungsvorgangs zwischen zwei Preßstempeln festgehalten ist.DE-A 41 21 573 teaches a covering for solid bodies, which consists of several layers of wrapping film which are connected to one another by an adhesive layer. The wrapping films are paper or stretch films that cannot withstand any major loads and are unsuitable for the packaging of highly compressed and expanding bales. In addition, the wrapping technique cannot be used with a bale if it is held between two rams during the packaging process.
Es ist daher Aufgabe der vorliegenden Erfindung, eine Möglichkeit für eine bessere Verpackung eines Preßballens aufzuzeigen.It is therefore an object of the present invention to show a possibility for better packaging of a bale.
Die Erfindung löst diese Aufgabe mit den Merkmalen in den nebengeordneten Verfahrens- und Sachansprüchen.The invention solves this problem with the features in the subordinate method and claims.
Mit dem erfindungsgemäßen Verfahren kann auf eine Umreifung des Preßballens verzichtet werden. Statt dessen werden die Packmittelzuschnitte mit gegenseitiger Überlappung um den Ballen geschlagen und durch Verkleben und/oder Verschmelzen miteinander verbunden. Die Klebe- und/oder Schmelzverbindung der verschiedenen Packmittelzuschnitte untereinander fixiert die Verpackung.With the method according to the invention, the baling of the press bale can be dispensed with. Instead, the packaging blanks are wrapped around the bale with mutual overlap and connected to one another by gluing and / or fusing. The packaging is fixed in place by the adhesive and / or melt connection of the various packaging blanks.
Das erfindungsgemäße Verfahren ist für verschiedene Verpackungsarten geeignet. In der Praxis wird mit zwei oder drei Packmittelzuschnitten gearbeitet, die in geeigneter Weise um den Preßballen gefaltet werden. Es ist aber auch möglich, mit einem einzigen Packmittelzuschnitt in Form eines Sackes oder Schlauches zu arbeiten und die offenen Enden durch Umfalten und Verkleben und/oder Verschmelzen zu verschließen.The method according to the invention is suitable for different types of packaging. In practice, two or three packaging blanks are used, which are folded in a suitable manner around the bale. However, it is also possible to work with a single packaging blank in the form of a bag or tube and to close the open ends by folding and gluing and / or fusing.
Das erfindungsgemäße Verfahren ist vor allem für die Verpackung von Preßballen in Ballenpressen geeignet, bei denen der Preßballen während des Verpackungsvorganges zwischen zwei Preßstempeln unter hohem Druck gehalten wird. Der Preßballen besteht vorzugsweise aus faserförmigen Materialien, insbesondere geschnittenen oder strangförmigen Textilfasern, die auch als Stapelfaser oder Tow bezeichnet werden. Der Preßballen kann ansonsten aber auch aus einem anderen Material bestehen.The method according to the invention is particularly suitable for the packaging of press bales in balers, in which the press bale is held under high pressure between two press rams during the packaging process. The press bale preferably consists of fibrous materials, in particular cut or strand-like textile fibers, which are also known as staple fibers or Tow are referred to. Otherwise, the baling can also consist of a different material.
Die Packmittelzuschnitte sind zug- und dehnfest und besitzen eine Stützeinlage, vorzugsweise in Form eines Gewebes, und eine schmelz- und/oder klebefähige Beschichtung. Von besonderem Vorteil ist der Einsatz mehrlagiger Packmittelzuschnitte, die zumindest aus zwei Lagen bestehen. Die Beschichtung kann verschiedenen Zwecken dienen. Zum einen kann sie nur bereichsweise an den Verbindungsstellen vorhanden sein und dient dann vor allem zur Herstellung der Klebe- oder Schweißverbindung. Bei der Beschichtung kann es sich um eine durch Druck- und/oder Temperatur und/oder durch chemische Reaktion aktivierbare Klebemasse oder auch um eine leicht schmelzfähige Masse handeln. Die Beschichtung kann darüber hinaus auch Dichtungs- und Schutzaufgaben für den Preßballen erfüllen und ist dann vorzugsweise vollflächig auf der Stützeinlage aufgebracht.The packaging blanks are tensile and stretch-resistant and have a support insert, preferably in the form of a fabric, and a meltable and / or adhesive coating. The use of multilayer packaging blanks that consist of at least two layers is particularly advantageous. The coating can serve various purposes. On the one hand, it can only be present in some areas at the connection points and then serves above all to produce the adhesive or welded connection. The coating can be an adhesive that can be activated by pressure and / or temperature and / or a chemical reaction, or it can be a mass that is easily meltable. The coating can also perform sealing and protective tasks for the press bale and is then preferably applied over the entire surface of the support insert.
Von besonderem Vorteil ist es, streifen- oder punktförmige Verbindungen zu schaffen, die zwar sehr scherfest sind, sich andererseits aber leicht von Hand oder maschinell schälend ablösen lassen. Einerseits hält dadurch die Verpackung sehr gut den vom Ballen ausgeübten Expansionskräften stand, läßt sich andererseits aber ohne großen Aufwand und insbesondere ohne Beschädigungsgefahr für den Preßballen wieder entfernen. Außerdem können die Packmittelzuschnitte komplett und ohne Rückstände vom Preßballen abgenommen werden.It is particularly advantageous to create strip-like or point-like connections which are very shear-resistant, but on the other hand can easily be peeled off by hand or by machine. On the one hand the packaging withstands the expansion forces exerted by the bale very well, but on the other hand it can be removed again without great effort and in particular without risk of damage to the bale. In addition, the packaging blanks can be removed completely and without residues from the bale.
Es empfiehlt sich, die Packmittelzuschnitte aus Kunststoff, insbesondere aus Polyäthylen herzustellen. Hierbei ist es aus Recyclinggründen vorteilhaft, wenn die Stützeinlage und die Beschichtung im wesentlichen aus der gleichen Kunststoffsorte bestehen. Weitere Vorteile ergeben sich, wenn die Werkstoffe der Stützeinlage und der Beschichtung unterschiedliche hohe Schmelztemperaturen aufweisen, was die Klebe- und/oder Schmelzverbindung positiv unterstützt. Hierfür eignet sich besonders Polyäthylen, bei dem sich durch unterschiedliche Herstellungsverfahren und innere Strukturen verschiedene Festigkeiten und Schmelztemperaturen gezielt einstellen lassen.It is advisable to make the packaging blanks from plastic, in particular from polyethylene. For recycling reasons, it is advantageous here if the support insert and the coating consist essentially of the same type of plastic. Further advantages arise if the materials of the support insert and the Coating have different high melting temperatures, which supports the adhesive and / or melt connection positively. Polyethylene is particularly suitable for this, in which different strengths and melting temperatures can be set in a targeted manner using different manufacturing processes and internal structures.
Die Verpackungsvorrichtung kann bezüglich der Vorrichtungsbestandteile zum Zuführen, Anlegen und Falten der Packmittelzuschnitte von bekannter Art sein. Zur Herstellung der Klebe- und/oder Schweißverbindung(en) weist sie eine zustellbare Siegelvorrichtung auf. Diese kann unterschiedlich ausgebildet sein und besitzt eine Heizvorrichtung und/oder eine Anpreßvorrichtung. Für die Bildung der punkt- oder streifenförmigen Verbindungen empfiehlt es sich, mehrere entsprechend geformte punktoder streifenförmige Einzelstempel an der Siegelvorrichtung vorzusehen, mit der die Packmittelzuschnitte an den Verbindungsstellen punkt- oder streifenförmig aneinander gepreß und gegebenenfalls an dieser beschränkten Kontaktfläche beheizt werden.The packaging device can be of a known type with regard to the device components for feeding, applying and folding the packaging blanks. To produce the adhesive and / or welded connection (s), it has an deliverable sealing device. This can be designed differently and has a heating device and / or a pressing device. For the formation of the punctiform or strip-shaped connections, it is advisable to provide several appropriately shaped punctiform or strip-shaped individual punches on the sealing device, with which the packaging blanks are pressed against one another in punctiform or strip-like fashion and possibly heated at this limited contact area.
In den Unteransprüchen sind weitere vorteilhafte Ausgestaltungen der Erfindung angegeben.Further advantageous refinements of the invention are specified in the subclaims.
Die Erfindung ist in den Zeichnungen beispielsweise und schematisch dargestellt. Im einzelnen zeigen:
- Figur 1:
- eine Ballenpresse mit einem Preßballen und einer Verpackungsvorrichtung in perspektivischer Ansicht,
- Figur 2:
- einen eingespannten und verpackten Preßballen mit einer Siegelvorrichtung in Seitenansicht gemäß Pfeil II von
Figur 1, - Figur 3:
- ein Teil der Siegelvorrichtung in Draufsicht entsprechend Pfeil III von
Figur 2, - Figur 4:
- einen verpackten Preßballen in Seitenansicht und
- Figur 5:
- eine abgebrochene Querschnittsdarstellung von Preßballen und Packmittelzuschnitt.
- Figure 1:
- a baler with a press bale and a packaging device in perspective view,
- Figure 2:
- a clamped and packaged press bale with a sealing device in side view according to arrow II of Figure 1,
- Figure 3:
- a part of the sealing device in plan view according to arrow III of Figure 2,
- Figure 4:
- a packed baling in side view and
- Figure 5:
- a broken cross-sectional view of baled and packaging blank.
Figur 1 zeigt eine Ballenpresse (2) zur Herstellung und Verpackung von Preßballen (1). Die Preßballen bestehen aus faserförmigen Materialien, insbesondere kurzgeschnittenen oder strangförmigen Textilfasern, sogenannter Stapelfaser oder Tow. Bei der Ballenpresse (2) handelt es sich um eine Karussellpresse, es kann aber auch irgendeine andere Bauform, z.B. ein Zentralpressesystem mit mehreren Vorpressen oder dgl. sein.Figure 1 shows a baler (2) for the production and packaging of baled bales (1). The press bales consist of fibrous materials, in particular short-cut or strand-like textile fibers, so-called staple fibers or tow. The baler (2) is a carousel press, but it can also be of any other type, e.g. a central press system with several pre-presses or the like.
Die Fasern werden in einem Preßkasten (17) einfüllt und mit Preßstempeln (3,4) unter hohem Druck zu einem Ballen (1) verdichtet. Die Preßstempel (3,4) entwickeln hohe Druckkräfte von mehreren 100 t, z.B. 500 t. Die Ballen (1) haben ein Gewicht von ca. 300-700 kg. Der Preßballen (1) wird mittels einer Verpackungsvorrichtung (12) in mehrere Packmittelzuschnitte (5,6,7) eingeschlagen und verpackt.The fibers are filled in a press box (17) and compressed into a bale (1) with press rams (3, 4) under high pressure. The press rams (3, 4) develop high compressive forces of several 100 t, for example 500 t. The bales (1) have a weight of approx. 300-700 kg. The pressed bale (1) is wrapped and packed into several packaging blanks (5, 6, 7) by means of a packaging device (12).
In der gezeigten Ausführungsform kommen drei Packmittelzuschnitte (5,6,7) zum Einsatz, wobei die den Deckel (5) und den Boden (6) bildenden Packmittelzuschnitte vor der Befüllung des Preßkastens (17) an die jeweils zugehörigen Preßstempel (3,4) gelegt werden und von diesen gegen den Preßballen (1) zugestellt werden. Der Deckel (5) und der Boden (6) werden anschließend durch eine Faltvorrichtung (18) an die Seitenflächen des Preßballens (1) geklappt. Danach wird der dritte Packmittelzuschnitt (7) in Form einer Bauchbinde um den Preßballen (1) geschlagen. Er wird dazu von einem Folienwickel (19) abgezogen.In the embodiment shown, three packaging blanks (5, 6, 7) are used, the packaging blanks forming the lid (5) and the bottom (6) before the pressing box (17) is filled onto the respectively associated pressing punches (3, 4). be placed and delivered by these against the bale (1). The lid (5) and the bottom (6) are then folded by a folding device (18) on the side surfaces of the bale (1). Then the third packaging blank (7) is wrapped around the pressed bale (1) in the form of a belly bandage. For this purpose, it is drawn off from a film roll (19).
Fig. 2 und 4 verdeutlichen diese Verpackungsform. Alternativ kann auch erst die Bauchbinde (7) um den Preßballen (1) geschlagen und anschließend Deckel (5) und Boden (6) darüber geklappt und gefaltet werden.2 and 4 illustrate this form of packaging. Alternatively, the abdominal bandage (7) can first be wrapped around the bale (1) and then the lid (5) and base (6) can be folded over and folded.
Die Faltvorrichtung (18) und die Vorrichtungen zur Zuführung der Packmittelzuschnitte (5,6,7) können beliebig ausgebildet sein. Die gezeigte und vorbeschriebene Ausführungsform entspricht der aus der DE-A-40 15 642 bzw. der DE-A-40 15 643 bekannten Falttechnik. Anstelle der hier beschriebenen Drei-Folien-Verpackung kann auch mit einer Zwei-Folien-Verpackung gearbeitet werden, wie sie beispielsweise nebst der zugehörigen Vorrichtung aus der US-A-3 816 970 bekannt ist.The folding device (18) and the devices for feeding the packaging blanks (5, 6, 7) can be of any design. The embodiment shown and described above corresponds to the folding technique known from DE-A-40 15 642 and DE-A-40 15 643. Instead of the three-film packaging described here, it is also possible to work with a two-film packaging, as is known, for example, in addition to the associated device from US Pat. No. 3,816,970.
Ferner ist es möglich, mit einem einzigen Packmittelzuschnitt (nicht dargestellt) zu arbeiten, der als einseitig offener Sack oder als zweiseitig offener Schlauch ausgebildet ist. Nach dem Befüllen werden der Sack bzw. der Schlauch an den offenen Enden durch eine geeignete Falttechnik verschlossen und dann fixiert.It is also possible to work with a single packaging blank (not shown), which is designed as a sack that is open on one side or as a tube that is open on both sides. After filling, the sack or tube is closed at the open ends using a suitable folding technique and then fixed.
Bei der Erfindung werden der oder die Packmittelzuschnitt(e) (5,6,7) durch Verschweißen und/oder Verkleben miteinander verbunden. Hierdurch entsteht eine allseitig geschlossene Umhüllung oder Verpackung für den Preßballen (1), die auch nach Entlastung des Preßballens (1) vom Pressendruck den Kräften des aufquellenden Ballens widersteht. Die Erfindung ermöglicht es, auf eine zusätzliche Armierung der Verpackung durch Bänder oder Umreifungen oder dergleichen zu verzichten. In einer verschlechterten Ausführungsform können derartige Armierungen aber gleichwohl noch vorhanden sein.In the invention, the or Packaging blank (s) (5,6,7) connected by welding and / or gluing. This creates a wrapping or packaging for the baling bale (1) which is closed on all sides and which resists the forces of the swelling bale even after the baling pressure (1) is relieved of the press pressure. The invention makes it possible to dispense with additional reinforcement of the packaging by means of straps or strapping or the like. In a worsened embodiment, however, such reinforcements can still be present.
Bei der Verpackung des Preßballens (1) werden die einzelnen Packmittelzuschnitte (5,6,7) mit zumindest paarweise gegenseitiger Überlappung (10) um den Preßballen (1) gelegt. Die Überlappungen (10) bilden die Verbindungsstellen. Die Packmittelzuschnitte (5, 6, 7) werden mittels einer Siegelvorrichtung (13) miteinander verklebt und/oder verschweißt, wodurch die sogenannten Verbindungen (11) geschaffen werden.When the press bale (1) is packaged, the individual packaging blanks (5, 6, 7) are placed around the press bale (1) with at least pairs of mutual overlap (10). The overlaps (10) form the connection points. The packaging blanks (5, 6, 7) are glued and / or welded to one another by means of a sealing device (13), whereby the so-called connections (11) are created.
Die Siegelvorrichtung (13) ist vorzugsweise Bestandteil der Verpackungsvorrichung (12) und wird mit dieser relativ zum eingespannten Preßballen (1) bewegt. Die Bestandteile der Verpackungs- bzw. Siegelvorrichtung (12,13) sind dazu beispielsweise auf zwei beidseits des Preßballens (1) verfahrbaren Trolleys angeordnet. Derartige Trolleys sind z.B. aus der DE-A-40 15 643 bekannt. Es kann aber auch ein anderes Transportsystem vorhanden sein, etwa gemäß der DE-A-29 11 958.The sealing device (13) is preferably part of the packaging device (12) and is moved with it relative to the clamped press bale (1). For this purpose, the components of the packaging or sealing device (12, 13) are arranged, for example, on two trolleys which can be moved on both sides of the bale (1). Such trolleys are e.g. known from DE-A-40 15 643. Another transport system may also be present, for example according to DE-A-29 11 958.
Die Siegelvorrichtung (13) weist eine Heizvorrichtung (14) und/oder eine Andruckvorrichtung (15) auf. Die einzelne Ausbildung und Anordnung hängt von der gewählten und nachfolgend beschriebenen Verbindungstechnik ab.The sealing device (13) has a heating device (14) and / or a pressure device (15). The individual training and arrangement depends on the connection technology chosen and described below.
Wie Figur 5 verdeutlicht, sind die Packmittelzuschnitte (5,6,7) mehrlagig, vorzugsweise zweilagig, aufgebaut. Sie bestehen aus einer festen Stützeinlage (8), vorzugsweise in Form eines Gewebes, welches die vom expandierenden Preßballen (1) ausgeübten Kräfte aufnimmt und die Verpackung stabilisiert. Die Stützeinlage (8) kann auch eingelagerte Versteifungsbänder aufweisen oder auf eine sonstige geeignete Art ausgebildet sein.As illustrated in FIG. 5, the packaging blanks (5, 6, 7) are constructed in several layers, preferably in two layers. she consist of a solid support insert (8), preferably in the form of a fabric, which absorbs the forces exerted by the expanding press bale (1) and stabilizes the packaging. The support insert (8) can also have embedded stiffening bands or be formed in some other suitable way.
Sie ist zumindest an den Verbindungsstellen (10) mit einer Beschichtung (9) versehen, welche die Herstellung der Klebe- und/oder Schmelzverbindung ermöglicht. Die Beschichtung (9) ist zumindest auf einer Seite der Stützeinlage (8) vorhanden. In der bevorzugten Ausführungsform ist das Gewebe vollflächig mit einer Beschichtung (9) kaschiert. Die Beschichtung (9) umhüllt dadurch den Preßballen (1) und schützt diesen gegen äußere Umwelteinflüsse, wie Verschmutzung, Wasser etc.. Die feste Stützeinlage (8) schützt den Preßballen (1) zusätzlich gegen mechanische Beschädigungen.At least at the connection points (10), it is provided with a coating (9) which enables the adhesive and / or fused connection to be produced. The coating (9) is present on at least one side of the support insert (8). In the preferred embodiment, the entire surface of the fabric is laminated with a coating (9). The coating (9) thereby envelops the press bale (1) and protects it against external environmental influences, such as dirt, water, etc. The fixed support insert (8) additionally protects the press bale (1) against mechanical damage.
In der bevorzugten Ausführungsform bestehen die Packmittelzuschnitte (5,6,7) aus Kunststoff. Sie sind vorzugsweise weitgehend zugfest, lassen sich aber falten und biegen. Sie sind insoweit ausreichend formelastisch, um sich in der gewünschten Weise um den Preßballen (1) schlagen zu lassen, haben aber eine ausreichende innere Zug- und Dehnungsfestigkeit, um den Preßballen (1) nach der Entlastung von den Preßstempeln (3,4) in der Form zu halten. Die benötigten Festigkeiten richten sie nach der Art des Ballenmaterials und lassen sich variieren.In the preferred embodiment, the packaging blanks (5, 6, 7) are made of plastic. They are preferably largely tensile, but can be folded and bent. In this respect, they are sufficiently elastic to allow the bale (1) to be struck in the desired manner, but have sufficient internal tensile and tensile strength to the bale (1) after being released from the press rams (3, 4) to keep the shape. The required strengths depend on the type of bale material and can be varied.
Es empfiehlt sich, die Stützeinlage (8) und die Beschichtung (9) der Packmittelzuschnitte (5,6,7) aus der gleichen Kunststoffsorte herzustellen. Dadurch lassen sie sich leichter recyceln. Besonders günstige Eigenschaften hat hierfür wiederum Polyäthylen.It is advisable to make the support insert (8) and the coating (9) of the packaging blanks (5,6,7) from the same type of plastic. This makes them easier to recycle. In turn, polyethylene has particularly favorable properties.
Die Stützeinlage (8) und die Beschichtung (9) haben außerdem vorzugsweise unterschiedliche Schmelztemperaturen, wobei die Schmelztemperatur der Stützeinlage (8) höher liegt als diejenige der Beschichtung (9). Dies ist wiederum in Verbindung mit Polyäthylen vorteilhaft. Durch die niedrigere Schmelztemperatur kann von der Siegelvorrichtung (13) die Beschichtung (9) angeschmolzen werden, ohne daß die Stützeinlage (8) beschädigt wird.Have the support insert (8) and the coating (9) also preferably different melting temperatures, the melting temperature of the support insert (8) being higher than that of the coating (9). This is again advantageous in connection with polyethylene. Due to the lower melting temperature, the coating (9) can be melted by the sealing device (13) without the support insert (8) being damaged.
In der bevorzugten Ausführungsform bestehen die Packmittelzuschnitte (5,6,7) aus Polyäthylen. In diesem Fall besitzt die Siegelvorrichtung (13) neben der Andruckvorrichtung (15) auch eine Heizvorrichtung (14). Die Siegelvorrichtung (13) ist an die Anordnung der Überlappungen (10) bzw. Verbindungsstellen angepaßt. Die Andruckvorrichtung (15) besteht aus mehreren entlang der Überlappungen (10) sich erstreckenden Druckbalken, die einzeln oder gemeinsam an den Preßballen (1) über geeignete Antriebe zustellbar sind. In die Druckbalken sind Heizvorrichtungen (14) integriert. Es kann sich um elektrische Widerstandsheizungen, mit fluidischen Heizmitteln betriebene Rohrsysteme oder dergleichen handeln.In the preferred embodiment, the packaging blanks (5, 6, 7) consist of polyethylene. In this case, the sealing device (13) has a heating device (14) in addition to the pressing device (15). The sealing device (13) is adapted to the arrangement of the overlaps (10) or connection points. The pressure device (15) consists of a plurality of pressure bars extending along the overlaps (10), which can be delivered individually or together on the press bales (1) by means of suitable drives. Heating devices (14) are integrated in the pressure bars. It can be electrical resistance heaters, pipe systems operated with fluidic heating means or the like.
Wie Figur 2 bis 4 verdeutlichen, besitzen die Druckbalken mehrere seitlich voneinander distanzierte leistenförmige Einzelstempel (16) die ein Stück vorstehen und beim Anpressen Schmelz- und/oder Klebestreifen (11) an den Verbindungsstellen (10) erzeugen. Vorzugsweise erstrecken sie sich vertikal bzw. quer zur Längsrichtung der Überlappungen (10). Die Einzelstempel (16) bzw. die Schmelzstreifen oder Verbindungen (11) können auch punktförmig sein. Es entsteht jedenfalls eine längs der Überlappungen (10) periodisch unterbrochene Verbindung.As shown in FIGS. 2 to 4, the pressure bars have a plurality of strip-shaped individual punches (16) which are spaced apart from one another and which protrude a little and produce melt and / or adhesive strips (11) at the connection points (10) when pressed on. They preferably extend vertically or transversely to the longitudinal direction of the overlaps (10). The individual stamps (16) or the melting strips or connections (11) can also be punctiform. In any case, a connection that is periodically interrupted along the overlaps (10) is created.
Die punkt- oder streifenförmigen Verbindungen (11) bieten gegenüber den normalen Ballenkräften eine ausreichende Festigkeit. Sie sind auf Scherung hochbelastbar. Andererseits lassen sie sich aber von Hand oder mit einer geeigneten Maschine relativ leicht schälend ablösen, wenn der außen liegende Packmittelzuschnitt quer zum Preßballen (1) abgezogen wird.The punctiform or strip-shaped connections (11) offer sufficient resistance to normal bale forces Strength. They are highly resilient to shear. On the other hand, they can be peeled off relatively easily by hand or with a suitable machine if the outer packaging blank is pulled off transversely to the bale (1).
In der bevorzugten Ausführungsform erfolgt die Verbindung der aus Polyäthylen bestehenden Packmittelzuschnitte (5,6,7) durch Wärmezufuhr beim Andrücken der Siegelvorrichtung (13). Hierbei empfiehlt es sich, die einzelnen Packmittelzuschnitte (5,6,7) so auszurichten und um den Preßballen (1) zu legen, daß an den Verbindungsstellen (10) jeweils die Beschichtungen (9) aufeinander zu liegen kommen. Bei der Ausführungsform von Figur 2 liegt die Beschichtung beim Deckel (5) und beim Boden (6) außen, während sie bei der Bauchbinde (7) an der den Preßballen (1) zugewandten Innenseite zu finden ist. Bei der Bauchbinde (7) liegt dann das Gewebe (8) außen. Unter Druck- und Wärmezufuhr schmelzen die aneinanderliegenden Beschichtungen (9) und verkleben miteinander.In the preferred embodiment, the packaging blanks (5, 6, 7) made of polyethylene are connected by supplying heat when the sealing device (13) is pressed on. It is advisable to align the individual packaging blanks (5, 6, 7) and place them around the press bale (1) in such a way that the coatings (9) come to rest on each other at the connection points (10). In the embodiment of Figure 2, the coating on the lid (5) and on the bottom (6) is on the outside, while in the abdominal bandage (7) it is found on the inside facing the press bale (1). The tissue (8) then lies on the outside of the lower third (7). The adjacent coatings (9) melt and adhere to one another while applying pressure and heat.
Alternativ ist es auch möglich, bei den Packmittel zuschnitten (5,6) eine Gewebeseite (8) mit einer Beschichtungsseite (9) in Kontakt zu bringen und durch Anschmelzen der Beschichtung (9) aneinander zu heften. Auf diese Weise kann man beispielsweise die Enden der Bauchbinde (7) überlappend aufeinanderlegen und heften.Alternatively, it is also possible to cut (5,6) a tissue side (8) into contact with a coating side (9) in the packaging and to stick it together by melting the coating (9). In this way, one can, for example, overlap and staple the ends of the abdominal bandage (7).
In einer weiteren Alternative kann die Beschichtung (9) auch aus einer geeigneten Klebemasse bestehen. Hierfür gibt es unterschiedliche Möglichkeiten. Zum Beispiel können in die Beschichtung (9) umhüllte Klebekügelchen eingebettet sein, die unter dem Druck der angepreßten Andruckvorrichtung (15) platzen, den Klebstoff freisetzen und dadurch für eine Verbindung sorgen. Bei dieser Ausführungsform, in der die Beschichtung (9) allein durch Druck in ihrer Verbindungswirkung aktiviert wird, kann auf Wärmezufuhr und eine Heizvorrichtung (14) verzichtet werden. In dieser Ausführungsform empfiehlt es sich auch, die Beschichtung (9) nur an den Überlappungen bzw. Verbindungsstellen (10) vorzusehen. In diesen und anderen Fällen können die Packmittel zuschnitte (5,6,7) auch mehr als zwei Lagen aufweisen, indem beispielsweise die Stützeinlage (8) mit einer zusätzlichen dichtenden Beschichtung getränkt oder kaschiert ist.In a further alternative, the coating (9) can also consist of a suitable adhesive. There are different ways of doing this. For example, coated beads can be embedded in the coating (9), which burst under the pressure of the pressed-on pressure device (15), release the adhesive and thereby ensure a connection. In this embodiment, in which the coating (9) alone by Pressure is activated in its connection effect, heat supply and a heating device (14) can be dispensed with. In this embodiment, it is also advisable to provide the coating (9) only at the overlaps or connection points (10). In these and other cases, the packaging blanks (5, 6, 7) can also have more than two layers, for example by impregnating or laminating the support insert (8) with an additional sealing coating.
In einer weiteren Alternative kann die Beschichtung (9) auch aus einem Thermokleber bestehen, der durch Druck- und Wärmezufuhr aktiviert wird. Ferner sind Kontaktkleber aus zwei getrennten, unterschiedlichen Komponenten verwendbar, die beim Zusammentreffen chemisch reagieren und sich verbinden. In diesem Fall wären z.B. die Komponenten in zwei miteinander in Kontakt zu bringenden Beschichtungen (9) analog Fig. 2 zu finden. Bei den verschiedenen Verbindungsmöglichkeiten können je nach Materialwahl und Behandlung reine Klebeverbindungen, reine Schmelzverbindungen oder kombinierte Klebe-Schmelzverbindungen entstehen.In a further alternative, the coating (9) can also consist of a thermal adhesive which is activated by the application of pressure and heat. Furthermore, contact adhesives made of two separate, different components can be used, which react chemically and combine when they meet. In this case e.g. to find the components in two coatings (9) to be brought into contact with one another analogously to FIG. 2. Depending on the choice of material and treatment, the various connection options can result in pure adhesive connections, pure fusion connections or combined adhesive-fusion connections.
Abwandlungen des beschriebenen Ausführungsbeispieles sind in verschiedener Weise möglich. Neben den vorerwähnten Variationen in der technischen Gestaltung der Ballenpresse (2), der Materialwahl der Preßballen (1) und der Verpackungs- und Falttechnik läßt sich auch die Siegelvorrichtung (13) abändern. Die Druckbalken können auch vollflächig auf die Überlappungen bzw. Verbindungsstellen (10) einwirken und keine streifen- oder punktförmigen Einzelstempel (16) aufweisen. In einer weiteren Abwandlung können die Einzelstempel (16) in kleinerer Zahl und mit eigenständigen Antrieben vorhanden sein, wobei sie entlang des eingespannten Preßballens (1) bewegt werden und dabei abwechselnd für die Schaffung einer Verbindung (11) zugestellt und dann wieder weiter transportiert werden. Die Siegelvorrichtung (13) kann auch mit der Faltvorrichtung (18) kombiniert werden, indem die ersten Schmelzstreifen oder Verbindungen (11) bereits angebracht werden, während die Faltvorrichtung (18) noch die Bauchbinde (7) um den Preßballen (1) schlägt.Modifications of the described embodiment are possible in different ways. In addition to the aforementioned variations in the technical design of the baling press (2), the choice of material for the baling press (1) and the packaging and folding technology, the sealing device (13) can also be modified. The pressure bars can also act over the entire area of the overlaps or connection points (10) and have no strip or point-shaped individual stamps (16). In a further modification, the individual punches (16) can be present in smaller numbers and with independent drives, whereby they are moved along the clamped baling bale (1) and in the process alternately fed to create a connection (11) and then again be transported. The sealing device (13) can also be combined with the folding device (18), in that the first melting strips or connections (11) are already attached while the folding device (18) still wraps the abdominal bandage (7) around the baling ball (1).
Alternativen sind auch in der Materialwahl der Packmittelzuschnitte (5,6,7) möglich. Außer Polyäthylen eignen sich auch andere Kunststoffe oder sonstige formelastische und zug- bzw. dehnfeste Materialen. Es sind ferner Materialmischungen möglich, wobei auch unterschiedliche Kunststoffe zum Einsatz kommen können.Alternatives are also possible in the choice of material for the packaging blanks (5,6,7). In addition to polyethylene, other plastics or other form-elastic and tensile or stretch-resistant materials are also suitable. Mixtures of materials are also possible, it also being possible to use different plastics.
- 11
- PreßballenBaled
- 22nd
- BallenpresseBaler
- 33rd
- Preßstempel, untenPress stamp, below
- 44th
- Preßstempel, obenPress stamp, top
- 55
- Packmittelzuschnitt, DeckelPackaging cut, lid
- 66
- Packmittelzuschnitt, BodenPackaging cut, bottom
- 77
- Packmittelzuschnitt, BauchbindePackaging blank, lower third
- 88th
- Stützeinlage, GewebeSupport insert, fabric
- 99
- BeschichtungCoating
- 1010th
- Überlappung, VerbindungsstelleOverlap, joint
- 1111
- Verbindung, SchmelzstreifenConnection, melting strips
- 1212th
- VerpackungsvorrichtungPackaging device
- 1313
- SiegelvorrichtungSealing device
- 1414
- HeizvorrichtungHeater
- 1515
- AndruckvorrichtungPressure device
- 1616
- EinzelstempelSingle stamp
- 1717th
- PreßkastenPress box
- 1818th
- FaltvorrichtungFolding device
- 1919th
- WickelWrap
Claims (19)
- Process for packing pressed bales (1) of fibrous materials, in particular cut or strand-shaped textile fibres, in a baling press (2) using one or more packing blanks (5,6,7) exhibiting elasticity of shape which are wrapped with an overlap (10) around the pressed bale (1), the pressed bale (1) being under high pressing pressure and the packing blanks (5,6,7) being joined together by adhesive bonding and/or fusing, characterised in that the pressed bales (1) are packed using a tension- and elongation-resistant packing blank (5,6,7) comprising at least two parts, a force-absorbing supporting lining (8) and a fusible and/or adhesive coating (9) present at least in certain regions, the overlaps (10) of the packing blanks (5,6,7) being laid onto the side faces of the pressed bale (1) and, lying on the pressed bale (1), shear-resistantly adhesively bonded and/or fused.
- Process according to Claim 1, characterised in that the packing blanks (5,6,7) are laid at the overlap (10) inside over outside.
- Process according to Claim 1 or 2, characterised in that the packing blanks (5,6,7) are brought into mutual contact by their coatings (9).
- Process according to Claim 1 or one of the subsequent claims, characterised in that the packing blanks (5,6,7) are held together during the joining operation by pressure and/or heat.
- Process according to Claim 1 or one of the subsequent claims, characterised in that strip- or point-shaped joints (11) are created.
- Process according to Claim 1 or one of the subsequent claims, characterised in that the packing blanks (5,6,7) are produced from plastic, preferably polyethylene.
- Process according to Claim 6, characterised in that the supporting lining (8) and the coating (9) consist essentially of the same kind of plastic.
- Process according to Claim 1 or one of the subsequent claims, characterised in that the materials of the supporting lining (8) and of the coating (9) have different fusing temperatures.
- Process according to Claim 8, characterised in that the fusing temperature of the supporting lining (8) is higher than the fusing temperature of the coating (9).
- Device for packing pressed bales (1) of fibrous materials, in particular cut or strand-shaped textile fibres, in a baling press (2) using one or more packing blanks (5,6,7) exhibiting elasticity of shape which are wrapped with an overlap (10) around the pressed bale (1), the pressed bale being under high pressing pressure and the packing blanks (5,6,7) being joined together by adhesive bonding and/or fusing by means of a movable sealing device, characterised in that the packing device (12) has a folding device (18) which lays the tension- and elongation-resistant packing blanks (5,6,7) with the overlaps (10) onto the side faces of the pressed bale (1), and in that the sealing device (13) can be advanced onto the pressed bale (1) for the shear-resistant welding and/or adhesive bonding of the packing blanks (5,6,7).
- Device according to Claim 10, characterised in that the sealing device (13) has a heating device (14) and/or a pressing-on device (15).
- Device according to Claim 10 or 11, characterised in that the sealing device (13) has a plurality of point- or strip-shaped individual rams (16).
- Packing blank exhibiting elasticity of shape for packing pressed bales of fibrous materials, in particular cut or strand-shaped textile fibres, in a baling press, which packing blank comprises a plurality of components and has a fusible and/or adhesive coating (9) arranged at least in certain regions, characterised in that the packing blank (5,6,7) has a supporting lining (8).
- Packing blank according to Claim 13, characterised in that the supporting lining (8) is in the form of a woven fabric.
- Packing blank according to Claim 13 or 14, characterised in that the coating (9) is arranged on at least one side of the supporting lining (8) and covers the latter over its entire area.
- Packing blank according to Claim 13 or one of the subsequent claims, characterised in that the packing blank (5,6,7) consists of plastic, preferably polyethylene.
- Packing blank according to Claim 16, characterised in that the supporting lining (8) and the coating (9) consist essentially of the same kind of plastic.
- Packing blank according to Claim 13 or one of the subsequent claims, characterised in that the materials of the supporting lining (8) and of the coating (9) have different fusing temperatures.
- Packing blank according to Claim 18, characterised in that the fusing temperature of the supporting lining (8) is higher than the fusing temperature of the coating (9).
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4405120A DE4405120A1 (en) | 1994-02-17 | 1994-02-17 | Method and device for packing pressed bales and packaging blank |
DE4405120 | 1994-02-17 | ||
PCT/EP1995/000563 WO1995022490A1 (en) | 1994-02-17 | 1995-02-16 | Process and device for packing pressed bales and packing blank |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0745047A1 EP0745047A1 (en) | 1996-12-04 |
EP0745047B1 true EP0745047B1 (en) | 1997-09-24 |
Family
ID=6510513
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP95909727A Expired - Lifetime EP0745047B1 (en) | 1994-02-17 | 1995-02-16 | Process and device for packing pressed bales and packing blank |
Country Status (8)
Country | Link |
---|---|
US (1) | US5775058A (en) |
EP (1) | EP0745047B1 (en) |
JP (1) | JPH09508880A (en) |
CN (1) | CN1141022A (en) |
AT (1) | ATE158551T1 (en) |
DE (2) | DE4405120A1 (en) |
ES (1) | ES2107305T3 (en) |
WO (1) | WO1995022490A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102005042217A1 (en) * | 2005-09-05 | 2007-03-08 | Autefa Automation Gmbh | Baler device for production of press bale of e.g. staple fiber, has stand with collecting device for receiving fiber goods, batchwise, and main press device including two aligned, movable, independently driven press dies |
Families Citing this family (15)
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IT1321314B1 (en) * | 2000-07-06 | 2004-01-08 | Gd Spa | METHOD AND UNIT FOR BANDING BANKNOTE GROUPS. |
ITFI20010135A1 (en) * | 2001-07-13 | 2003-01-13 | Gualchierani Textile Automatio | PRESS FOR THE FORMATION OF BALES OF TEXTILE MATERIAL OR OTHER, WITH COATING DEVICE USING A SHEET |
DE10217840B4 (en) | 2002-04-22 | 2013-10-17 | Rhodia Acetow Gmbh | Bales of layered filter tow and method for packing filter tow |
US7600635B2 (en) * | 2002-04-22 | 2009-10-13 | Dietmar Kern | Highly compressed filter tow bales and process for their production |
US7306093B2 (en) * | 2003-02-14 | 2007-12-11 | Eastman Chemical Company | Packages, packaging systems, methods for packaging and apparatus for packaging |
US20050235609A1 (en) * | 2004-04-21 | 2005-10-27 | French Larry W | Method and apparatus for film encapsulation of irregularly shaped articles |
US7410051B2 (en) * | 2004-09-28 | 2008-08-12 | Magnolia Manufacturing Company, Inc. | System and method for packaging cotton sliver |
US7730832B2 (en) | 2005-04-28 | 2010-06-08 | Eastman Chemical Company | Method and apparatus for forming a bale having substantially flat upper and lower surfaces |
JP4933088B2 (en) * | 2005-09-19 | 2012-05-16 | ツリュツラー ゲゼルシャフト ミット ベシュレンクテル ハフツング ウント コンパニー コマンディトゲゼルシャフト | System and method for packing cotton sliver |
NL2000130C2 (en) * | 2006-07-06 | 2008-01-08 | Reshare B V | Press is for formation of baled textiles, particularly clothing, and has press plate together with devices for winding sheet, cord or similar around pressed textiles |
JP4619453B2 (en) | 2009-03-31 | 2011-01-26 | ダイセル化学工業株式会社 | Packing method for compressed filter tow package |
US9745087B2 (en) * | 2013-01-04 | 2017-08-29 | Tama Plastic Industry | Method and apparatus for securing baled items |
EP2910477B1 (en) | 2014-02-21 | 2018-03-28 | Celanese Acetate LLC | Methods for packaging fibrous materials |
EP3088309A1 (en) | 2015-04-29 | 2016-11-02 | Solvay Acetow GmbH | Method for the manufacture of a packaged filter tow bale |
AU2021262558A1 (en) * | 2020-03-31 | 2022-10-20 | Tama group | Multilayer bale wrap |
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GB311783A (en) * | 1928-05-16 | 1930-02-06 | Gustav Metzker | Improvements in or relating to the packing of bales of goods |
US2322298A (en) * | 1941-02-28 | 1943-06-22 | Mercantile Commerce Bank And T | Thermal attaching machine |
US2545243A (en) * | 1948-07-10 | 1951-03-13 | Jr Herbert Rumsey | Package encased in plastic sheet material and method of making the same |
DE2115667C3 (en) * | 1970-04-18 | 1980-11-06 | Kunitoshi Tokio Tezuka | Packaging device for compact waste packages |
US3867806A (en) * | 1973-04-04 | 1975-02-25 | Lantech Inc | Process of making a stretched-wrapped package |
SE385287B (en) * | 1973-10-17 | 1976-06-21 | Platmanufaktur Ab | IN PLASTIC FILM PACKAGED GOODS STACK AND PROCEDURE FOR PACKING THE STACK |
US4244471A (en) * | 1979-04-09 | 1981-01-13 | Whirlpool Corporation | Packaging system |
US4418114A (en) * | 1982-04-29 | 1983-11-29 | Mobil Oil Corporation | Coextruded thermoplastic stretch-wrap |
US4691497A (en) * | 1986-03-28 | 1987-09-08 | Lantech, Inc. | Film lamination stretch wrapping |
CA1288035C (en) * | 1986-05-12 | 1991-08-27 | Tsutomu Saito | Process for packaging article with film |
US5125210A (en) * | 1987-06-10 | 1992-06-30 | Autefa Mashinen Fabrik Gmbh | Procedure and device for the wrapping os compressed bales |
DE4015642A1 (en) * | 1990-05-15 | 1991-11-21 | Autefa Maschinenfab | METHOD AND DEVICE FOR TURNING A COVER FILM AROUND A PRESS BALE |
DE4121573A1 (en) * | 1991-06-29 | 1993-01-07 | Walter Wacker | Gas-tight and watertight package - comprises spirally wound strips of film, opt. enclosing end cover sheets, bonded by adhesive layers |
FR2681311B1 (en) * | 1991-09-17 | 1993-12-10 | Philippe Fandard | PROCESS FOR CONDITIONING A PALLETIZABLE LOAD AND INSTALLATION FOR IMPLEMENTING THIS PROCESS. |
SE9200529L (en) * | 1992-02-21 | 1993-08-22 | Moelnlycke Ab | Process for packaging and compressing disposable absorbent articles and packaging made according to the method |
CA2111733C (en) * | 1993-12-17 | 1996-09-24 | Regis Berger | Palletized peat moss in bulk compressed form |
-
1994
- 1994-02-17 DE DE4405120A patent/DE4405120A1/en not_active Withdrawn
-
1995
- 1995-02-16 AT AT95909727T patent/ATE158551T1/en not_active IP Right Cessation
- 1995-02-16 EP EP95909727A patent/EP0745047B1/en not_active Expired - Lifetime
- 1995-02-16 US US08/693,152 patent/US5775058A/en not_active Expired - Fee Related
- 1995-02-16 DE DE59500717T patent/DE59500717D1/en not_active Expired - Fee Related
- 1995-02-16 CN CN95191663A patent/CN1141022A/en active Pending
- 1995-02-16 JP JP7521586A patent/JPH09508880A/en active Pending
- 1995-02-16 WO PCT/EP1995/000563 patent/WO1995022490A1/en active IP Right Grant
- 1995-02-16 ES ES95909727T patent/ES2107305T3/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102005042217A1 (en) * | 2005-09-05 | 2007-03-08 | Autefa Automation Gmbh | Baler device for production of press bale of e.g. staple fiber, has stand with collecting device for receiving fiber goods, batchwise, and main press device including two aligned, movable, independently driven press dies |
Also Published As
Publication number | Publication date |
---|---|
WO1995022490A1 (en) | 1995-08-24 |
CN1141022A (en) | 1997-01-22 |
JPH09508880A (en) | 1997-09-09 |
DE59500717D1 (en) | 1997-10-30 |
ES2107305T3 (en) | 1997-11-16 |
EP0745047A1 (en) | 1996-12-04 |
US5775058A (en) | 1998-07-07 |
ATE158551T1 (en) | 1997-10-15 |
DE4405120A1 (en) | 1995-08-31 |
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