WO2006089782A1

WO2006089782A1 - Tubular bag with a cover

Info

Publication number: WO2006089782A1
Application number: PCT/EP2006/001742
Authority: WO
Inventors: Andreas Michalsky; Maurice Habram
Original assignee: Huhtamaki Ronsberg, Zweigniederlassung Der Huhtamaki Deutschland Gmbh & Co. Kg
Priority date: 2005-02-25
Filing date: 2006-02-24
Publication date: 2006-08-31

Abstract

The invention relates to a tubular bag (10) having a tubular bag body (20), a cover (30) and, if appropriate, a base (40), in particular a base on which the tubular bag can stand upright, wherein the tubular bag body (20) is assigned at least one holding device (50) which interacts, in particular when the tubular bag (10) is opened, with a tensioning device (60) which is formed on the cover (30).

Description

"Tubular bag with lid"

Description

The invention relates to a tubular bag according to the preamble of patent claim 1.

Tubular bags of the type in question here are generally known and are used for storing, storing and transporting as well as bringing into circulation liquid, pasty, powdery, free-flowing and solid contents substances, where u.a. the lightweight and the ease of design and printability of these tubular bag packaging has proven to be extremely advantageous.

On the other hand, the opening behavior of these tubular bags or tubular bag packaging has proven to be problematic. Typically, the opening of such packaging is carried out by tearing the packaging, wherein usually a notch is provided in a lateral sealing seam, by means of which a tear propagation of a tubular bag film is initiated. Another possibility for opening such a package is that two side surfaces forming the tubular bag are pulled apart in the region of a seal, whereby the seal breaks open. However, these two opening variants have a serious drawback, which consists in the fact that the foil bag forming film rips aimlessly and uncontrollably at such a tear or tearing of the packaging, so that the packaging content is spilled, which in particular in liquid and / or Pasty ingredients often leads to a loss of the packaged goods. Furthermore, after such tearing the interior of the tubular bag is usually very difficult to access because torn or stand still packaging sections in the way and the access to the inside of the tubular bag, for example, with a spoon complicate. Even with a deliberate pouring of the contents of the packaging leftover packaging parts are often in the way, so that the packaging contents come into contact with external parts of the package, whereby the bag bag contents contaminated on the one hand and on the other can only be delivered uncontrollably.

Another opening variant consists ultimately in the use of a pair of scissors, by means of which an upper portion of the closed tubular bag is separated and removed, so that the contents of the tubular bag is accessible. Although this variant allows a clean separation of the tubular bag occlusive tubular bag section, but raises the problem that always a pair of scissors must be at hand. Furthermore, there is also the danger when using an unclean scissors that the cut edges of the tubular bag and optionally also the tubular bag contents are contaminated and possibly become unusable as a result.

The object of the invention is to provide a tubular bag of the type mentioned, which can be opened hygienically simple and without tools so that the tubular bag interior is easily accessible.

This object is achieved by a tubular bag according to claim 1.

In particular, the object is achieved by a tubular bag with a tubular pouch body and lid and optionally floor, in particular standing or standing floor, wherein the tubular pouch body has at least one holding device which cooperates with a trained on the cover pulling device, in particular when opening the tubular bag.

An essential point of the invention is that the tubular pouch body can be held or fixed by means of the holding device, while the lid can be detached from the tubular pouch using the pulling device. Preferably, the holding device and the pulling device are tab-shaped and / or annular, so that they can be easily grasped and held with two or more fingers. Advantageously, thus opening the tubular bag is possible without the tubular bag itself must be taken and held. Namely, such a holding would inevitably require some exertion of force on the tubular pouch body, whereby the tubular pouch body compressed and the contents when opening the tubular bag would be uncontrollably squeezed out of the tubular bag body. According to the invention, this is avoided by not using the tubular bag body itself but a holding device attached to it, which cooperates with the pulling device formed on the lid, as a holding point to fix the tubular bag while the lid of the tubular bag is removed.

According to a further embodiment of the invention, the holding and / or the pulling device is annular. This allows the hooking of a finger or a hook or carabiner. By hooking a phalanx into a respective annularly shaped holding or pulling device, the holding and opening of the tubular bag is further simplified.

Furthermore, by the provision of an annular holding or pulling device also a simple hanging of the tubular pouch body to a hook, a string, a

Chain or the like. Elongated device possible. In this way, for example, a plurality of tubular bags according to the invention can be attached to a belt or belt and carried along, for example, during a hike. In order to avoid accidental opening of the tubular bag, the band, the chain or the like. Should be performed both by the annular holding and by the annular pulling device.

According to the invention the holding device is formed integrally with the tubular pouch body and the pulling device integral with the lid, wherein the lid and / or optionally also the bottom with the tubular pouch body, in particular solvable, sealed or glued is / are.

Due to the one-piece design of the holding device with the tubular pouch body, as well as the one-piece design of the pulling device with the lid, an extremely strong connection of the respective device with the tubular pouch body or lid ensures, so that a secure hold of the holding device on the

Tubular bag body or the pulling device is given to the lid when the sealed or glued with the tubular bag body cover is peeled by train from the tubular bag body. In such a detachment process, the bonding or sealing between the tubular pouch body and the lid closing it is released. Preferably, the strength of the seal or adhesive bond between the lid and the tubular pouch body is slightly weaker than corresponding seals or adhesions of the tubular pouch body with the In this way, a detachment of the lid from the tubular pouch body is easily possible, without having to fear that other seals of the tubular pouch may be disconnected when opening ,

In order to be able to carry out opening of the tubular pouch body as simply as possible, the holding device is arranged on the tubular pouch body in the lid region, preferably in the immediate vicinity of the pulling device. In this case, in the closed state of the tubular bag, the tension and the holding device may overlap. To grasp the respective pulling or holding device, the overlapping tabs are individually gripped and pulled apart, so that the lid detaches from the tubular bag body.

According to one embodiment, the tubular pouch body is extruded by means of fin-seal and / or lap-seal sealing or alternatively extruded, in particular seamless, in a tubular manner.

In particular, the object is also achieved by a tubular bag with a tubular pouch body and lid and possibly bottom, in particular standing or standing floor, wherein the tubular pouch body is formed by Fin-Seal and wherein the fin-seal serves as a holding device, with a on the Cover formed pulling device, in particular when opening the tubular bag, cooperates.

An essential point of this embodiment is that the tubular bag body can be held or fixed by means of the holding device, ie on the fin seal, while the cover can be detached from the tubular bag using the pulling device. Preferably, the pulling device is tab-shaped and / or annular, so that it can be easily grasped with two or more fingers. Advantageously, thus opening the tubular bag is possible borrowed, on the one hand, the fin seal for holding the tubular bag and on the other hand, the pulling device for removing the lid, without the tubular bag itself must be taken and detained. Such retention would inevitably require some exertion of force and thus pressure on the tubular pouch body, thereby compressing the tubular pouch body and uncontrollably expelling the contents from the tubular pouch body upon opening of the tubular pouch. This is inventively avoided by not the tubular pouch body itself, but the fin seal is held, which with the on the lid ausgebil- The pulling device cooperates when the lid of the tubular bag is removed.

In the latter disclosed embodiment, the holding device is inevitably formed as a fin seal integral with the tubular pouch body, wherein the traction device is conveniently formed integrally with the lid. The lid and / or optionally also the bottom are sealed or glued to the tubular pouch body, in particular at least partially detachable.

Due to the design of the holding device as a fin seal of the tubular pouch body, as well as by the one-piece design of the pulling device with the lid, an extremely strong connection of the respective devices with the tubular pouch body or lid ensures when sealed with the tubular pouch body or glued lid by Train is detached from the tubular pouch body.

In order to be able to carry out opening of the tubular pouch body as simply as possible, the fin seal is arranged on the tubular pouch body in the lid region, preferably in the immediate vicinity of the pulling device. To grasp the respective pulling or holding device, the fin seal and the strap serving as a pulling device are individually grasped and pulled apart, so that the lid detaches from the tubular bag body. It should be noted at this point that the fin-seal in the region which serves as a holding device, preferably slightly wider designed to allow a secure hold.

Furthermore, the bag body is preferably made of a laminate, in particular an aluminum laminate, with at least one sealing and optionally at least one barrier layer. The barrier layer is preferably made of SiO ₂ , AlO _x , ethyl vinyl alcohol (EVOH) or a metal foil.

The lid and / or the bottom of the tubular bag have a predetermined, relatively rigid shape with sealable or adhesive edges and are deep-drawn according to a variant or formed according to another variant with a V or W-fold, so that the tubular bag bottom side preferably is formed steadfast and lid side is brought into a predetermined, mostly round shape. In addition, the use of a V- or W-shaped lid for resealing the lid, if it has been torn open only half, with the V or W-fold of the lid due to a certain spring or restoring action of the V or W-fold pushes back into their original position, which they einnimtnt with a closed tubular bag.

Of course, if it were desired that the lid be completely removed from the tubular bag, this would be possible with both a stiff or flexible round lid and a lid having a V or W fold.

According to the invention, the lid and / or the bottom are made essentially of the same materials as the tubular bag body. In this way, a very cost-effective production of the tubular bag is possible, since both the lid and the bottom of the same film or the same laminate are produced as the tubular bag body itself. For this purpose, either the later tubular bag body forming film prior to formation of the tubular bag body or serve a portion of an extruded tube, which is separated from this to form the lid and the bottom. For example, it is possible to unilaterally seal such a short tube section to form a lid and / or bottom and then to introduce it into the tubular bag body, optionally with stretching of the same, and to connect it tightly, i. to seal or glue.

Both the cover and the bottom and / or the tubular pouch body have a thickness in the range of 50 .mu.m to 500 .mu.m, preferably 80 .mu.m to 400 .mu.m and particularly preferably 100 .mu.m to 350 .mu.m. In compliance with these measures, on the one hand a low weight and sufficient durability of the tubular bag is also guaranteed for carbonated bag contents. Furthermore, the lid, the bottom and / or the tubular pouch body can be sterilized, so that food and stimulants can be filled into the ^pouch and hygienically packaged therein.

According to a further embodiment of the invention, the cover has at least one predetermined breaking point, in particular predetermined tear line, preferably in continuation of the lateral limitation of the pulling device formed on the cover, namely the tear-open tab.

By the provision of such a predetermined breaking point, it is possible, if necessary, only a part of the lid, namely to remove the one that is located on the pull tab. The predetermined tear line can be designed in the form of a continuous predetermined tear line, so that the part of the lid located on the tear-off tab can be completely removed. According to a further variant, it is possible that the predetermined tear line is interrupted and thus practically exists in the form of two predetermined tear lines, which has a rupture of the part of the lid connected to the pull-tab so far as far as the predetermined tear line extends, but not complete tearing of the lid part is possible, but this remains captive connected to the tubular bag, so that a separate disposal of this cover part is avoided.

The predetermined tear line can extend completely over the entire tubular bag cross section of the lid, so that the entire cross section of the tubular bag is accessible after being opened from above. Alternatively, it is possible to remove only one or optionally several subregions of the lid, each of these subregions having its own traction device. In this way, a ventilation option can be provided.

As already mentioned above, the lid is at least partially detachable from the tubular pouch body. It should be noted at this point that the seal between the lid and tubular bag body can be designed differently strong, to prevent the entire cover is deducted from the tubular bag body, if desired. This embodiment may also be advantageous in the event of a re-occlusion possibility.

Other forms of execution of the invention will become apparent from the dependent claims.

The invention will be described with reference to embodiments, which are explained in more detail with reference to the figures. Hereby shows:

Figure 1 is a schematic representation of a tubular bag according to the invention together with the associated lid.

Fig. 2 shows a variant of a fiction, contemporary form of a lid; and

Fig. 3 shows a further variant of a tubular bag according to the invention together with associated cover.

In the following description, the same reference numerals are used for identical and equivalent parts.

Fig. 1 shows a tubular bag 10 according to the invention, which is formed from a tubular bag body 20, a lid 30 and a bottom 40. On the tubular bag Body 20 is a holding device 50 integrally formed in the form of a tab. The cover 30 has a traction device 60 which corresponds to the holding device 50 and interacts when the tubular bag 10 is opened. When closed, the lid 30 as well as the bottom 40 is sealed in the tubular part of the tubular pouch body 20. Upon opening the lid, a user grips the holding device 50 with one hand and the pulling device 60 with the other hand. It is not necessary to grasp the tubular bag body 20 itself. After grasping the holding device 50 and the pulling device 60, the lid 30 is released by train from the tubular bag 10.

FIG. 2 shows an alternative variant of a cover 30 according to the invention. This cover, like that of FIG. 1, has a pulling device 60. However, this is not connected to the entire cover 30, but only with a separated by a predetermined tear line 70 from the rest of the lid area. In the case of a pull on the pulling device 60, only the region directly connected to the pulling device 60 is removed from the cover 30. The remaining lid 30 remains sealed to the tubular pouch body 20.

FIG. 3 shows a further embodiment of a tubular bag 10 according to the invention, which is formed from a tubular bag body 20, a cover 30 and a bottom 40. The tubular bag body 20 is formed by fin-seal 80, which serves as a holding device. The cover 30 has a pulling device 60, which cooperates with the fin seal 80 when opening the tubular bag 10. When closed, the lid 30 as well as the bottom 40 is sealed in the tubular part of the tubular pouch body 20. Upon opening the lid, a user grips the fin seal 80 with one hand and the puller 60 with the other hand. Grasping the tubular pouch body 20 itself, other than the fin seal, is not necessary. After gripping the fin seal 80 and the pulling device 60, the lid 30 is released from the tubular bag 10 by pulling.

It should be noted at this point that all the above-described parts are considered to be alone and in every combination, in particular the details shown in the drawings, claimed as essential to the invention. Variations thereof are familiar to the person skilled in the art. LIST OF REFERENCE NUMBERS

10 bags of suds

20 s h ood bag body 30 lid

40 floor

50 holding device

60 train direction

70 Solkeißlinie 80 Fin-Seal

Claims

claims

1. tubular bag (10) with a tubular bag body (20) and cover (30), and optionally bottom (40), in particular standing or standing floor, characterized in that the tubular bag body (20) has at least one holding device (50) with a on the cover (30) formed pulling device (60), in particular when opening the tubular bag (10) cooperates.

2. tubular bag (lO) according to claim 1, characterized in that the tubular pouch body (20) by means of fin-seal (80) is formed, wherein the fin-seal serves as a tubular bag holding device (50) with one on the lid ( 30) formed traction device (60), in particular when opening the tubular bag (10) cooperates.

3. S chlauchbeutel according to claim 1 or 2, characterized in that the holding device (50) and the Zu'gvorrichtung (60) are formed tab and / or ring-shaped.

4. tubular bag according to claim 1, characterized in that the holding device (50) integral with the tubular bag body (20) and the pulling device (60) integral with the lid (30) is formed.

5. tubular bag according to one of the preceding claims, characterized in that the cover (30) and / or the bottom (40) with the tubular bag body (20), in particular releasably, sealed or glued is / are.

6. tubular bag according to claim 5, characterized in that the holding device (50) on the tubular bag body (20) in the lid region (35) thereof is arranged.

7. tubular bag according to any one of claims 1 and / or 3-6, characterized in that the tubular bag body (20) by means of fin-seal and / or formed by lap-seal seal or extruded tubular.

8. tubular bag according to one of the preceding claims, characterized in that the tubular pouch body (20) made of a laminate, in particular aluminum laminate, with at least one seal and optionally at least one barrier layer, preferably of SiO ₂ , AlO _x , ethylvinyl alcohol or a

Metal foil, is made.

9. tubular bag according to one of the preceding claims, characterized in that the cover (30) and / or the bottom (40) have a predetermined relatively stiff shape with sealable or adhesive edges and in particular deep-drawn or with a V or W Fold are formed.

10. tubular bag according to one of the preceding claims, characterized in that the cover (30) and / or the bottom (40) are made substantially from the same materials as the tubular bag body (20).

11. tubular bag according to one of the preceding claims, characterized in that the cover (30), the bottom (40) and / or the tubular pouch body (20) has a thickness in the range of 50 microns to 500 microns, preferably 80 microns to 400 microns and more preferably 100 .mu.m to 350 .mu.m.

12. tubular bag according to one of the preceding claims, characterized in that the cover (30), the bottom (40) and / or the tubular bag body (20) can be sterilized.

13. tubular bag according to one of the preceding claims, characterized in that the cover (30) at least one predetermined breaking point, in particular predetermined tear line (70), preferably in continuation of the lateral boundary of the lid (30) formed Zugvorichtung (60) (= tear tab), having.

14. tubular bag according to one of the preceding claims, characterized in that the cover (30) of the tubular bag body (20) is at least partially releasable.