WO2020207719A1

WO2020207719A1 - Method and device for producing tubular bags which are filled with a mixture of liquid and solid filling material components

Info

Publication number: WO2020207719A1
Application number: PCT/EP2020/057280
Authority: WO
Inventors: Gerhard Kuss
Original assignee: Rovema Gmbh
Priority date: 2019-04-10
Filing date: 2020-03-17
Publication date: 2020-10-15
Also published as: EP3953260B1; DE102019111754A1; US20220267037A1; EP3953260A1

Abstract

The invention relates to a tubular bag machine and a method for operating a tubular bag machine (01) for continuously producing tubular bags (20) which are filled with a mixture of liquid and solid filling material components (29, 30). A formatting device (18) is arranged below a stripping device, by means of which formatting device the bag shape of the tubular bag (20) open at the top seam can be formatted, wherein the formatting device (18) comprises at least two formatting elements (19) which can be brought into contact with the outside of the film tube (34) and which can be adjusted between an open position and a formatting position. The horizontal distance between the formatting elements (19) is greater in the open position than in the formatting position. The formatting elements (19) are brought into the open position before and/or during the filling of the tubular bag (20) with filling material (29, 30). During and/or after the filling of the tubular bag (20) with filling material (29, 30) and before the top seam is produced, the formatting elements (19) are brought into the formatting position in order to displace air out of the air cushion in the top region of the tubular bag (20) by means of filling material components (29, 30).

Description

Method and device for the production of tubular bags which are filled with a mixture of liquid and solid contents

The invention relates to a method for operating a tubular bag machine for the continuous production of tubular bags which are filled with a mixture of liquid and solid contents according to the preamble of the two independent main claims.

From the prior art, tubular bag machines for the produc- tion of tubular bags in the packaging of mixtures of liquid and solid contents are known. These tubular bag machines include a biaxially drivable transverse sealing device with two sealing jaws. These sealing jaws are moved along a predetermined movement path and can attach floor transverse seams and head transverse seams to a previously formed film tube in order to close the tubular bag from above or below.

In these machines, a push-off device is attached above the transverse sealing device, which comprises two push-off elements. These push-off elements can be brought to bear on the outside of the film tube. In addition, the two push-off elements elements can be adjusted horizontally between a closed position and an open position. In the closed position, the two pressure elements press the film tube together so far that it is pressed together in a liquid-tight manner. As a result, it is thus possible to fill the film tube with the mixture of liquid and solid filling material components before the transverse sealing, since the filling material is prevented from flowing down through the push-off elements. As soon as the previous tubular bag is then sealed below the pressure device with its top seam and the bottom seam of the next tubular bag would be made, the Abrückvor direction is brought into its open position, and the product falls under the influence of gravity into the tubular bag that is still open at the top.

Below the transverse sealing device of the generic tubular bag machines a stripper is provided. This stripping device comprises two stripping elements which can be brought into contact with the outside of the film tube and which can be adjusted horizontally between a stripping position and an open position. In the stripping position, the stripping elements rest on the outside of the film tube and press the two inner surfaces of the film tube against each other. If the stripping device is now moved downwards faster than the film tube, then the solid Füllgutbe constituents on the inside of the film tube are stripped downwards by the strip elements. In this way, the sealing area of the tubular bag on the inside of the film web can be freed of solid contents with the stripping device in order to enable the film tube to be sealed easily by the transverse sealing device. In the production of tubular bags that are filled with a mixture of liquid and solid contents, the problem with the known machines is that the still open tubular bags bulge in the area of the bottom seam after being filled with the contents with the transverse sealing device by attachment If the head seam is closed, a large amount of air is trapped in the area below the head seam. This air in the tubular bag has negative effects on the storage properties of the tubular bag, since in particular oxidation processes of the contents within the tubular bag are conveyed by the atmospheric oxygen contained in the air. In addition, the strong bulging of the tubular bags causes an undesirable lengthening of the individual tubular bags between the bottom seam and the top seam, which leads to increased consumption of film web and shorter cycle times in the manufacture of the tubular bags.

On the basis of this prior art, it is therefore the object of the present invention to propose a new method for operating a tubular bag machine for the continuous production of tubular bags which are filled with a mixture of liquid and solid contents, whereby the air contained in the tubular bag is reduced, the necessary consumption of film web is reduced and the maximum number of cycles in the manufacture of tubular bags is increased. Another object of the present invention is to propose a tubular bag machine for carrying out the method according to the invention.

These tasks are achieved by a method and a tubular bag machine according to the teaching of the two independent main claims.

Advantageous embodiments of the invention are the subject of the dependent claims. The inventive method is based on the connection of a formatting device arranged below the stripping device. This formatting device has the task of formatting the bag shape of the still open tubular bag, that is to say before the top seam is attached. For this purpose, the formatting device comprises at least two on the outside of the film tube for contact bringable formatting elements. The formatting elements can be adjusted between an open position and a formatting position. The horizontal distance between the formatting elements is greater in the open position than in the formatting position. When carrying out the method according to the invention, the formatting elements of the formatting device are in the open position before and / or during the filling of the tubular bag, that is to say when the tubular bag is still open but after the bottom seam has been attached. In this open position, the opened tubular bag can easily bulge out laterally in a known manner, so that the product can be easily introduced into the opened tubular bag. During and / or after the tubular bag is filled with filling material and before the top seam is produced, the formatting elements of the formatting device are then brought into their formatting position, that is to say moved together horizontally. As a result of this horizontal moving together of the formatting elements, the still open tubular bag is formatted in its shape, that is, its width is compressed. When the tubular bag is still open, the liquid column rises up in the tubular bag and displaces air from the head area of the tubular bag. As soon as the formatting elements have reached their formatting position and a certain amount of air has been displaced from the head area of the tubular bag, the top seam can then be attached to the tubular bag either immediately or after performing further process steps in order to close the tubular bag in this way . As a result, the formatting of the tubular bag with the formatting elements results in a significantly lower proportion of air or no air at all in the head area of the tubular bag, so that in particular the storage properties of the tubular bag packaging improve considerably. In addition, the length of the tubular bag that is required to accommodate the volume of the product can be reduced and thereby also the The cycle rate of the tubular bag machine in the manufacture of the tubular bag can be increased.

In the continuously operating loop bag machine, the film tube is continuously pulled downwards in the tubular bag machine. In order to be able to carry out the formatting of the tubular bag that is still open in the best possible way despite this continuous downward pull-off movement of the tubular film, it is particularly advantageous if the formatting elements of the formatting device lying on the outside of the tubular bag in the formatting position at the same vertical speed as the transverse sealing device can be moved vertically downwards at the same vertical speed as the film tube. In this way, undesirable relative movement between the formatting elements on the one hand and the film tube on the other hand is avoided. In order not to hinder the displacement of air from the head area of the still open tubular bag, it is advantageous if the stripping device remains in the open position until the formatting device is completely brought into the formatting position. Only after the formatting position has been reached has the liquid level in the open tubular bag reached its maximum level, so that no additional air can be displaced from the opened tubular bag by the formatting device. Only from this moment onwards the stripping device is closed and the stripping of the solid contents on the inside of the film material is started.

In order to be able to easily strip down the solid filling material components lying on the inside of the tubular film, it is particularly advantageous if the stripping elements of the stripping device that are in contact with the outside of the tubular bag in the stripping position at a higher vertical speed than the tubular bag tel can be adjusted vertically. Resulting from the speed difference There is a relative movement between the stripping elements and the foil hose, through which the solid contents of the product are stripped downwards, which adhere to the inside of the foil hose.

As soon as the formatting elements of the formatting device have reached the formatting position and have thus formatted the still open tubular bag in its shape, a certain amount of residual air usually remains above the filling material, since otherwise there is a risk that solid or liquid filling material components will get into the sealing area between the inner sides of the filling hose. In order to displace this residual air remaining in the open tubular bag as much as possible, it is advantageous if at least one air-permeable ventilation channel is formed between the inner surfaces of the tubular bag, through which air can escape from the head area of the tubular bag, in the stripping position of the stripping device. If the stripping elements of the stripping device in the stripping position are moved downwards with the corresponding relative movement relative to the film tube, this causes the solid contents to be stripped downwards and at the same time displaces the air trapped in the head area of the tubular bag to the outside. This outwardly displaced air is led to the outside through the ventilation channel between the inner surfaces of the tubular bag, so that as a result only very little or no residual air remains in the tubular bag.

As soon as the head area of the tubular bag has been largely freed of air and possibly only a very small amount of residual air has remained in the tubular bag, the top seam of the tubular bag is then attached with the transverse sealing device and the tubular bag is thereby closed. With regard to the processing and packaging of filling material that consists of a mixture of solid and liquid filling material constituents, it is particularly advantageous if the push-off device forms two retention zones in the closed position. In the lower back holding zone, the film tube is pressed together in a liquid-tight manner as usual in order to prevent the liquid contents from flowing through the push-off device in the closed position. At the same time, a second, upper retention zone is formed above the lower retention zone, in which the film tube is compressed to such an extent, while maintaining a liquid-permeable residual gap, that solid contents cannot pass through the residual gap. The two retention zones of the push-off device formed on top of each other thus ensure that the solid contents are initially retained in the upper retention zone, the upper retention zone being passed by the liquid contents through the remaining gap. These liquid contents are then retained in the lower retention zone. By opening the push-off device, both retention zones are opened and the solid or liquid filling material can slide down into the opened tubular bag under the influence of gravity.

The tubular bag machine according to the invention is characterized in that the formatting device is provided below the transverse sealing device, with which the still open tubular bag can be formatted in its shape.

In order to be able to variably adapt the tubular bag machine to the extent of the bulge in the packaging of different products, it is advantageous if the horizontal distance between the formatting elements in the open position and / or the horizontal distance between the formatting elements in the formatting position can be adjusted i st. By setting the respective distances, it is possible to react variably to the bulging of the open tubular bag after the filling material has been filled and the kinematics required in each case to displace the air from the head area of the tubular bag. The structural design in which the formatting elements of the formatting device are designed is basically big. According to a preferred design, it is provided that the formatting elements each comprise a plurality of rotatably mounted rollers which are arranged one below the other, running parallel to one another. The rotatable, mutually arranged rollers in this way form a wall on which the outside of the tubular bag can roll. These two walls formed by the rollers of the two formatting elements can then be moved towards one another or removed from one another. Together, the roles of the two formatting elements in this way form a width-adjustable formatting shaft in which the opened tubular bags can be compressed to form their shape. After the tubular bags have been transversely sealed and severed, the rotatable rollers allow them to slide downwards out of the formatting slot, essentially without resistance. In order to enable a synchronous synchronization between the formatting device and the transverse sealing device in the vertical drive in a simple manner, it is advantageous if the formatting device and the transverse sealing device are driven vertically with a common drive device.

In order to form a ventilation duct between the stripping elements of the stripping device located in the stripping position in a simple manner, it is advantageous if the stripping elements of the Abstreifvor direction are resiliently mounted on the transverse sealing jaws. The stripping elements are then in their stripping position and press the insides of the film web against each other and the stripping device then acts downwards relative to the film tube, so the filling volume enclosed in the tubular bag is also reduced at the same time, so that the pressure of the residual air in the head area of the tubular bag increases accordingly. If this pressure of the residual air in the head area of the tubular bag exceeds a certain amount, the resiliently mounted strip elements are pushed apart slightly and an air-permeable ventilation channel is formed between the inner surfaces of the tubular bag in this way. Through this ventilation duct the air can then escape from the head area of the tubular bag to the outside.

In order to easily form two push-off zones arranged one above the other in the push-off device, it is advantageous if the push-off device comprises two push-off elements, for example push-off rollers, arranged one above the other in pairs. The distance between the lower two pressure elements is smaller, so that the two lower pressure elements arranged in pairs in the closed position of the pressure device compress the film tube in a liquid-tight manner. The two upper push-off elements, which are arranged in pairs, have a larger distance, so that in the closed position of the push-off device a liquid-permeable residual gap remains in the upper push-off zone. The width of the gap in the upper pressure zone is chosen so that the solid contents cannot pass through the upper pressure zone.

Which type of push-off elements are used to form the Abrückvorrich device is basically arbitrary. It is particularly advantageous if the push-off elements are designed in the manner of push-off rollers, since the push-off rollers can roll on the film tube and in this way enable the relative movement between the push-off element and the film tube without problems.

With regard to the lowest possible conveying resistance of the film tube through the push-off device, it is advantageous if the push-off rollers can be driven by a motor.

An embodiment of the invention is shown schematically in the drawings and is explained below by way of example.

Show it:

Fig. 1 with a schematically shown tubular bag machine

Formatting device in side view; FIG. 2 the tubular bag machine according to FIG. 1 in a perspective side view; FIG.

3 shows the tubular bag machine according to FIG. 1 in an enlarged view since Licher; 4 shows the tubular bag machine according to FIG. 1 in three different process states in a side view;

FIG. 5 shows the movement curve of the transverse sealing jaws and the stripping device of the tubular bag machine according to FIG. 1 in a seitli cher view; Fig. 6 the transverse sealing jaws and the stripping device of

Tubular bag machine according to FIG. 1 in an enlarged side view.

1 shows a tubular bag machine 01 according to the teaching according to the invention for carrying out the method according to the invention in a side view. A film web 03 is unwound from a supply roll 02 and formed into a film tube on a forming device 04. The film tube is then sealed at the longitudinal seam with a longitudinal sealing device 05. A film pull-off device 06 ensures the continuous advance of the longitudinally sealed film tube. After forming at the forming device 04, the film tube is passed over a tubular filling pipe 07, the inside of the film tube sliding off the outside of the filling pipe 07. At the lower end of the filling tube 07, a spreading element 08 is attached, which laterally spreads the film tube, which is initially circular in cross section. Liquid and solid can through the filling tube 07

Filling material, for example a mixture of cabbage and brine or vegetables and brine, are fed from above. The filling material can be collected in the film tube above a press-off device 09. The maximum or minimum level of the product in the film tube can be measured or controlled with two level sensors 10 and 1 1. Un below the push-off device 09 is a Quersiegelvorrich device 12 with two transverse sealing jaws 13 and 14, wherein in the transverse sealing jaw 14 a separating device 1 5 is also integrated, with which the individual tubular bags after the transverse sealing of the head seam from

Foil tube can be separated. Below the Quersiegelvor device 12 there is a stripping device 16 with two stripping elements 17. By operating the stripping device 16, solid filling material bodies located on the inner surface of the film tube in the sealing zone can be stripped downwards in order to seal these filling material bodies, for example pieces of vegetables, into the To prevent sealing groove.

Below the stripping device 16 is a formatting device 18 with two formatting elements 19, with which the tubular bag 20, which is still open at the top seam, can be formatted in its shape after being filled with filling material.

2 shows the part of the tubular bag machine 01 below the filling tube 07 in an enlarged perspective view. The push-off device 09 consists of two pairs of push-off rollers 21 and 22, respectively, arranged opposite one another. The push-off rollers 21 and 22 are jointly mounted in an assembly frame 23 which can be opened and closed horizontally. In the position shown in FIG. 2, the push-off device 09 is in its push-off position. In this squeeze-off position, the two lower squeeze rollers 21 press the film tube so firmly against one another in a lower squeeze zone 24 that liquid filling material components from above cannot flow downwards. The two pressure rollers 22 have a distance in the pressure position of the Abrückvorrich device 09 shown in FIG. 2, so that the gap formed between the pressure rollers 22 allows liquid contents to flow through, whereas solid contents above that of the two pressure rollers 22 formed upper pressure zone 25 are held zurückge. By operating the push-off device 09, the amount of product to be filled into the next tubular bag 20 can be precisely dosed with the aid of the sensors 10 and 11. As soon as the desired amount of product has collected above the pressure device 09 in the filling hose, the pressure device 09 can be opened from the pressure position shown in Fig. 2 into the open position, so that the dosed amounts of liquid and solid contents down into the next

Tubular bags slip. Below the push-off device 09 is the transverse sealing device 12 with the two transverse sealing jaws 13 and 14 and the separating device 15. To seal the film tube at the bottom seam or at the top seam, the transverse sealing jaws 13 and 14 can be positioned between the open position shown in FIG The film tube compressing the sealing position can be adjusted vertically. At the same time, the transverse sealing jaws can be moved vertically in order to follow the run of the film tube, which is continuously conveyed vertically downwards. The stripping device 16 with the two stripping elements 17 is located below the transverse sealing device 12. This is followed by the formatting device 18 with the two formatting elements 19. The formatting elements 19 each consist of a plurality of rotatably mounted rollers 26 which are held one above the other on a frame 27. The two frames 27 can be operated with corresponding operating devices 28 following the movement of the film tube vertically and at the same time to change the distance between the two formatting devices 19 can be moved horizontally.

3 shows the tubular bag machine 01 with the filling tube 07, the push-off device 09, the transverse sealing device 12, the stripping device 16 and the formatting device 18 in a side view. The tubular bags 20 are in the tubular bag machine 01 with a mixture of liquid contents 29 and solid contents len 30 filled. The function of the tubular bag machine 01 for performing the method according to the invention will be explained in more detail below with reference to the drawings, FIGS. 4a, 4b and 4c.

In FIG. 4 a, the formatting device 18 is in its open position and has a maximum distance between the two formatting elements 19. In this wide-open position of the formatting device 18, the tubular bag 20, which is initially only transversely sealed at the bottom seam 3 1, is filled with the mixture of liquid contents 29 and solid contents 30. The filling by the contents 29 and 31, the tubular bag 20 initially emerges far and above the liquid level of the liquid contents 30, an air cushion 32 forms in the tubular bag 20.

In order not to isolate the air from the air cushion 32 in the tubular bag 20, the formatting device 1 8 is then moved into its formatting position shown in FIG. 4b. In the formatting position, the formatting elements 19 have a smaller spacing so that the air is displaced from the air cushion 32 upwards in the direction of the filling tube 07. A large proportion of the air from the air cushion 32 escapes from the tubular bag 20 because the head seam is not yet transversely sealed. As soon as the liquid contents have risen maximally upwards by adjusting the formatting elements 19 in their formatting position, the initially still open stripping elements are moved together horizontally in order to come to rest elastically from the outside on the film web of the film tube. As soon as the stripping device 16 is moved together in its stripping position, transverse sealing jaws 14 together with the stripping elements 17 attached to them are accelerated vertically, so that the stripping elements are guided down past the film tube at a differential speed. The speed of the stripping elements 17 is higher in the vertical direction than the vertical conveying speed of the film tube, so that the combined quantity-pressed stripping elements 17, the solid filling material constituents lying on the inside are stripped downwards. As a result, the solid contents can be removed from the sealing zone ent. At the same time, the volume available in the tubular bag 20 for receiving the air cushion 32 is further reduced, so that the pressure in the air cushion 32 increases and the air is displaced upwards from the air cushion 32 by the stripping elements 17 on the inside of the film tube.

As soon as, as shown in FIG. 4c, the air is essentially completely displaced from the air cushion 32, the transverse sealing jaws 14 of the transverse sealing device 12 are moved together and the top seam of the tubular bag 20 is sealed and the tubular bag 20 is thereby closed. The tubular bag 20 is then separated by driving the separating device 15 and can fall through the format shaft formed by the formatting elements 19 downwards. At the same time, the pressure rollers 21 and 22 of the pressure device 09 are brought into their open position, so that the Füllgutbe components 29 and 30 slide down from above and fill the next hose bag 20. 5 shows the movement path of the transverse sealing jaws 13 and 14 and the stripping elements 17 attached to them in a schematic view. Along a first track section 33, the stripping elements 17 are already in contact with the film tube 34 and are moved vertically downward together with the transverse sealers 13 and 14 at a vertical speed that is higher than the vertical conveying speed of the film tube 34. This relative movement of the stripping elements 17 relative to the film tube 34, solid filling material constituents 30 are stripped downwards and at the same time the air from the air cushion 32 is displaced from the tubular bag 20 before the top seam is produced. The transverse sealing jaws 13 and 14 are then also moved together along a second path section 35, and the top seam of the tubular bag 20 and the bottom seam of the subsequent tubular bag 20 is sealed. The transverse sealing jaws 13 and 14 are driven vertically downwards together with the stripping devices 17 at the same vertical conveying speed as the film tube 34, so that as a result there is no relative movement between the film tube 34 on the one hand and the transverse sealing jaws 13 and 14 along the second path section 35 or from the stripping devices 17 there.

6 shows the transverse sealing jaws 13 and 14 with the separating device 15 and the stripping elements 17 fastened below the transverse sealing jaws 13 and 14 in an enlarged, schematic representation. The stripping elements 17 are spring-elastic and horizontally adjustable, so that the air pressure, which increases when the stripping elements 17 are adjusted along the first track section 33 in the air cushion 32, ensures that the air can push the wiping elements 17 apart slightly so that the air out of the air cushion 32 escapes.

Claims

1 . Method for operating a tubular bag machine (01) for the continuous production of tubular bags (20) which are filled with a mixture of liquid and solid contents (29, 30)

a) a biaxially drivable transverse sealing device (12), with the transverse sealing jaws (13, 14) of the transverse sealing device (12) being able to close a film web (03) after forming a film tube (34) with a bottom seam (3 1) and a top seam , b) a push-off device (09) mounted above the transverse sealing device (12), the push-off device (09) comprising at least two push-off elements (21, 22) which can be brought into contact with the outside of the film tube (34) and which are horizontally between a closed position and an open position can be adjusted, and wherein the push-off elements (21, 22) compress the film tube (34) in a liquid-tight manner in the closed position,

c) a stripping device (16) attached below the transverse sealing device (12), the stripping device (16) comprising at least two stripping elements (17) which can be brought into contact with the outside of the film tube (34) and which are positioned horizontally between a stripping The stripping position and an open position can be adjusted, and the stripping elements (17) in the stripping position can strip down solid filling material components (30) that are located in the sealing zone on the inside of the film tube (34), thereby marked,

that below the stripping device (16) a formatting device (18) is arranged, with which the bag shape of the tubular bag (20) open at the head can be formatted, the formatting device (18) at least two on the outside of the tubular film (34 ) formatting elements that can be attached

(19) which can be adjusted between an open position and a formatting position, and wherein the horizontal stand between the formatting elements (19) in the open position is greater than in the formatting position, and the formatting elements (19) before and / or while the

Tubular bag (20) with filling material (29, 30) are brought into the open position, and the formatting elements (19) during and / or after the filling of the tubular bag (20) with filling material (29, 30) and before producing the top seam be brought into the formatting position in order to displace air from the air cushion ster (32) in the head area of the tubular bag (20) by filling material components (29, 30).

2. The method according to claim 1,

characterized,

that the formatting position on the outside of the

Tubular bag (20) adjoining formatting elements (19) of the formatting device (1 8) with the same vertical speed as the film tube (34) can be adjusted vertically. 3. The method according to claim 1 or 2,

characterized,

that the stripping device (16) remains in the open position until the formatting device (18) is brought into the formatting position.

4. The method according to any one of claims 1 to 3,

characterized,

that the stripping elements (17) of the stripping device (16) lying against the outside of the tubular bag (20) in the stripping position along a track section (33) with a higher vertical

Speed than the tubular bag (34) adjusted vertically who the.

5. The method according to any one of claims 1 to 4,

characterized,

that in the stripping position of the stripping device (16) at least one air-permeable ventilation channel is formed between the inner surfaces of the tubular bag (20) through which air can escape from the air cushion (32) in the head area of the tubular bag (20).

6. The method according to any one of claims 1 to 5,

characterized,

that the head seam of the tubular bag (20) is transversely sealed with the transverse sealing device (12) as soon as the air from the air cushion (32) in the head area of the tubular bag (20) passes through the air-permeable ventilation channel between the inner surfaces of the tubular bag (20) except for a small amount. 20) has escaped. 7. The method according to any one of claims 1 to 6,

characterized,

that the push-off device (09) forms two retention zones (24, 25) in the closed position, the film tube (34) being compressed in a liquid-tight manner in the lower retention zone (24), and the film tube (34) in the upper retention zone (25) while maintaining a liquid-permeable residual gap, it is pressed together to such an extent that solid contents (30) cannot pass through the residual gap.

8. Tubular bag machine (01) for the continuous production of tubular bags (20) which are filled with a mixture of liquid and solid contents (29, 30)

a) a biaxially drivable transverse sealing device (12), with the transverse sealing jaws (13, 14) of the transverse sealing device (12) being able to close a film web (03) with a bottom seam (3 1) and a top seam after forming a film tube (34) , b) a push-off device (09) mounted above the transverse sealing device (12), the push-off device comprising at least two push-off elements (21, 22) which can be brought into contact on the outside of the film tube (34) and which are horizontally between a closed position and an open position can be adjusted, and wherein the push-off elements (21, 22) can compress the film tube (34) in the closed position in a liquid-tight manner, c) a stripping device (16) attached below the transverse sealing device (12), the stripping device (16) having two on the Outside of the film tube (34) which can be brought into contact with stripping elements (17), which st horizontally between a stripping and an open position can be adjusted, and the stripping elements (17) in the stripping position can strip down solid filling material components (30) that are located in the sealing zone on the inside of the film tube,

characterized,

that below the stripping device (16) a formatting device (18) is arranged with which the bag shape of the tubular bag (20) which is open at the head can be formatted, the formatting device (18) at least two on the outside of the film tube ( 34) comprises formatting elements (19) which can be brought into contact and which can be adjusted between an open position and a formatting position, and the horizontal

From stood between the formatting elements (19) in the open position is greater than in the formatting position. 9. tubular bag machine according to claim 8,

characterized,

that the horizontal distance between the formatting elements (19) in the open position and / or the horizontal distance between the formatting elements (19) can be set in the formatting position.

10. tubular bag machine according to claim 8 or 9,

characterized,

that the formatting elements (19) of the formatting device (18) each comprise a plurality of rotatably mounted rollers (26), the rollers (26) running parallel to one another being arranged one below the other, and the rollers (26) of the two formatting elements (19) together form a roller shaft that can be brought into contact on two sides of the tubular bag (20). 1 1. Tubular bag machine according to one of claims 8 to 10,

characterized,

that the formatting device (18) and the Quersiegelvorrich device (12) be vertically driven with a common drive. 12. tubular bag machine according to one of claims 8 to 1 1,

characterized,

that the stripping elements (17) of the stripping device (16) are elastically resiliently mounted on the transverse sealing jaws (13, 14) of the transverse sealing device (12), the stripping elements (17) when a certain excess pressure in the air cushion (32) in the head area of the

Compress the tubular bag (20) to form an air-permeable venting channel between the inner surfaces of the tubular bag (20) through which air can escape from the air cushion (32) in the head area of the tubular bag (20). 13. Tubular bag machine according to one of claims 8 to 12, characterized in that

that the push-off device (09) comprises two push-off elements (21, 22) arranged in pairs one above the other to form two retention zones (21, 22), the first pair of push-off elements (21) in the

In the closed position of the press-off device (09), the film tube (34) is pressed together in a liquid-tight manner in a lower retention zone (24), and the second pair of press-off elements (22) in the closed position of the press-off device (09) presses the film tube (34) in an upper retention zone (25 ) compressed to such an extent that the film tube (34) retains solid contents (30) while retaining a liquid-permeable residual gap.

14. tubular bag machine according to one of claims 8 to 13,

characterized,

that the push-off elements (21, 22) of the push-off device (09) are designed in the manner of push-off rollers.

15. tubular bag machine according to one of claims 8 to 14,

characterized,

that the press-off rollers (21) can at least partially be driven by a motor.