JPH05193609A - Packing device for small package - Google Patents

Abstract

PURPOSE: To provide a device for packing the packets of the cigarettes in- groups. CONSTITUTION: A device 1 for packing comprises at least one packing conveyor element 6 successively receiving the packed groups 2 of the packets 3 formed beforehand from a conveyor device 4 and each packing element 15 from a corresponding feed device 13 and an output conveyor device 7 for the packed groups 2 of the packets 3. The packing conveyor element 6 operates selectively in coordination with a corresponding first folding device 43 for the formation of a cartoning device 45 and a corresponding second device 44 for folding for the formation of a wrapping device 46.

Description

Detailed Description of the Invention

[0001]

FIELD OF THE INVENTION The present invention relates to a device for packaging small packages, in particular grouped cigarettes.

[0002]

BACKGROUND OF THE INVENTION In the cigarette manufacturing industry, cigarettes are usually packaged in small packages with soft or rigid hinge lids,
It is then divided and packaged in groups of 10 packets, usually arranged in 2 layers of 5.

To form the outer wrap, each group of sub-packets is usually fed to a cartoning machine in which this group is packaged in a cardboard box to create a so-called carton, which carton is normally connected to the cartoning machine. The carton is packaged with heat-sealed or adhesive-bonded sheet material, which may or may not be supplied to an associated packaging machine.

Alternatively, each group of small packages is fed directly, ie without a cardboard box, to a packaging machine similar to the one described above, by which each group is placed inside a sheet of packaging material with an adhesive. Be packaged.

Consequently, in order to be able to form any of the above types of outer packaging, a machine at the end of the production line, usually a cellophane packaging machine, is boxed and packaged in series with the packaging machine. It shall be possible to connect it in parallel to the packaging unit consisting of the machine.

In order to avoid the expense of such a system, the carry-out part of the cellophane packaging machine is exclusively connected to the packaging unit, which packaging machine is operated with or without the boxing machine to carry the outer packaging with or without a cardboard box. Try to pick it up.

Although satisfactory for producing an outer wrap comprising both an outer wrap and a cardboard box, the above method has several drawbacks, and if either one of the above is omitted, the small wrapping is This group is subject to various types of unnecessary stress and damage, as the group must pass through either idle machine of the two machines.

Another drawback of the above method is that each machine (packaging, boxing, etc.) has an exclusive configuration that does not have commonality with other machines, so that the manufacturing cost based on the ratio of the component parts. Cannot be reduced and requires maintenance of a large inventory of different components for maintenance and / or repair.

[0009]

SUMMARY OF THE INVENTION It is an object of the present invention to provide a packaging unit or device adapted to overcome the above drawbacks.

[0010]

According to the invention, an apparatus for packaging small packages, in particular small groups of cigarettes in groups, at least one traveling in a given direction.
One packaging conveyor element, a conveyor device for feeding a preformed group of small packages to the packaging conveyor element, the conveyor device for supplying each packaging element for each group of small packages, and At least one device arranged between each packaging conveyor element and an unloading conveyor device for the packaged groups, said packaging conveyor element comprising said groups of small packages and said packaging elements A wrapping apparatus having a plurality of peripheral seats each configured to receive and further comprising folding means cooperating with the wrapping conveyor element, the folding means forming a cartoning device. Selected from a group of folding means consisting of one folding means and a second folding means forming a packaging device, said packaging conveyor element comprising said first and second folding means. Packeted group of the packaging device is provided, characterized in that is adapted to cooperate equally and folding means.

[0011]

A number of non-limiting embodiments of the present invention are described below by way of example with reference to the accompanying drawings.

Referring to FIGS. 1 and 3, 1 is a small package 3,
1 shows a device or unit for packaging in particular a group 2 of cigarette packets. Each group 2 is preformed upstream of the device 1 in a known manner with respect to the number and arrangement of the parcels 3 and arranged in a row as shown in FIG. 3 or another known (not shown). ) Method, it is composed of 10 small packages 3 arranged in two layers of 5.

The device 1 comprises a carry-in conveyor device 4 (FIGS. 1 and 3), in succession of groups 2 on a supply beam 5 which forms part of the device 1 and is arranged below the conveyor device 4. Try to put it.

The device 1 also comprises at least one packaging conveyor element 6 running in the direction indicated by the arrow in FIG.
And a carry-out conveyor device 7 for the packaged group 2 of small packages 3.

In FIG. 1, the device 1 comprises two substantially identical packaging conveyor elements 6a and 6b, each conveyor element being mounted on a respective shaft 9, 10 and having a number of radial seats 11. It is defined by the wheel 8. The shafts 9 and 10 are arranged in parallel and rotate in synchronism, so that the seat 11 is continuously positioned in cooperation with the conveyor device 4 and the beam 5 and subsequently with the unloading conveyor device 7. Each seat 11 is adapted to receive a group 2 of parcels 3 and has a stuffing / extracting opening 12 facing the outer periphery of the wheel 8 and an opening at the opposite longitudinal end. ing.

The device 1 further comprises first and second known feeding devices 13 and 14, a first packaging element of material 15 and, for example, a sheet of paper or the like folded around each group 2. And a second wrapping element 16 of transparent or opaque wrapping material.

More specifically, the conveyor device 4 feeds the group 2 onto a conveyor element 6a arranged substantially tangentially to the feed beam 5, and the device 13 feeds the beam 5 and the element 6.
Material 15 is continuously fed between a and so that each material 15 is arranged between the group 2 deposited by the device 4 and the empty seat 11 on the element 6a. In the stowed position, the seat 11 is aligned with a known pusher 17 to transfer the group 2 from the beam 5 into the seat 11 and also with a known opposed pusher 18 in a face-to-face relationship with each other. The beam 5 is arranged on the same plane as the beam 5, and forms a packing section together with the beam 5.

The device 14 comprises a conveyor element 6a and an element 6a
Conveyor element 6 mounted on the side of the same level
a sheet 16 is fed between it and the element 6a
When 6 and 6b are stopped, the opening 12 of the seat 11 on the element 6b faces the opening 12 of the corresponding seat 11 on the element 6a. Another known pusher 19 and counter pusher 20, mounted on elements 6a and 6b respectively and aligned with pusher 17 and counter pusher 18, bring group 2 from each seat 11 on element 6a to element 6b.
It is possible to continuously transfer to the upper corresponding seat portion 11.

As shown in FIG. 2, each blank 15 supplied by the device 13 has two opposite longitudinal portions 21.
And 22, and four end portions 23, 24, at each longitudinal end,
25 and 26, and each wrapping element 16 (FIG. 1) has two opposite longitudinal portions 2 as indicated by the dotted lines.
It has 7 and 28.

In order to fold and secure the longitudinal portions of the packaging elements 15 and 16, each wheel 8 is integrally mounted with a number of folding devices 29, each folding device running with each wheel 8 and each seat 11. The first longitudinal portion of each packaging element 15, 16 inserted into the seat 11 together with each group 2 of the parcels 3 in cooperation with the elements 15, 1
6 over the other longitudinal portion of 6 while folding said first longitudinal portion (portion 22 of element 15 and portion 28 of element 16) in a folded position during a given rotation of the corresponding wheel 8. It is designed to be held by receiving a predetermined pressure.

Still referring to FIG. 3, the conveyor device 4
Is provided with a flexible belt 30, and the flexible belt 30 has two pulleys 31 (only one of which is one of which defines a supply branch 33 and a return branch 34 perpendicular to the plane of FIG. 1 on the belt 30. Are shown). Belt 3
0 has a number of protruding outer tabs 32, each adjacent pair of tabs running on the supply branch 33 along the beam 5,
The supply pocket for the corresponding group 2 of the parcel 3 is defined. Axis A (FIG. 1) of pulley 31 is adjacent conveyor element 6
With respect to the seat 11 of the seat, which allows the belt 30 to rest on the pusher 17, so that the pusher 17 is free to operate and at the same time the tab 32 of the supply branch 33 allows the group 2 to be packed. To be able to run along the belt 5 to supply to the busy department.

The unloading conveyor device 7 (FIG. 1) has a first collecting portion 35 which extends radially from the peripheral portion of the conveyor element 6b located downstream of the known device 36 for the heat seal packaging element 16. And a second collecting portion 37 extending radially from the peripheral edge of the conveyor element 6a located downstream of where the group 2 is transferred to the conveyor element 6b.
And a portion or passage 38 perpendicular to the collecting portion 35 and the collecting portion 37.

The passage 38 collects the packaged group 2 in the collecting portion 35.
And pusher 40 for transfer from 37 to passage 38
Are housed. The pusher 40 has collecting portions 35 and 37.
It is designed to travel a predetermined distance substantially equal to the distance between the opposing walls 39, and can be selectively positioned at any part. Each pair of pushers 41 moving at right angles to the pushers 40 and the opposing pushers 4
2 supplies the packaged group 2 from the seat 11 of the elements 6a and 6b into the corresponding collecting parts 37 and 35.

According to a main feature of the invention, the device 1 comprises two different groups 43 and 44 of folding devices with which a single conveyor element 6 cooperates. As shown in FIG. 1, the conveyor element 6a cooperates with a large peripheral outer folding device 43 to compartmentally form a boxing device 45 with the devices 4 and 13, by means of which the material 15
Are formed in a rigid box around each group 2 of small packages 3, forming a so-called carton 2a. Conversely, the conveyor element 6b, which is identical to the conveyor element 6a, basically cooperates with the integral folding device 44, and together with the device 14 and the device 7 constitutes a packaging device 46, which comprises the device 13 as described below.
Wrap group 2 in an outer wrapped form by receiving group 2 from elements 6a with or without a rigid box, depending on whether 5 is fed or not, and folding each packaging element 16 around each group 2. To do.

The folding device 43 is substantially inclined with respect to the seat 11 facing the packing station of the conveyor device 4 and the longitudinal side of the blank 15 on the longitudinal side of the group 2 facing the opening 12 of the seat 11. First folding device 47 for folding the part 21 in the direction, folding device 29, device 4
7 is arranged around the wheel 8 downstream and the device 47
Comprises a third fixed folding device 48 and a fourth moving folding device 49, which are separated by a distance equal to the gap between the seats 11 and provide each folding portion 24 and 26.

A fifth moving and folding device 50 is provided substantially on the devices 48 and 49 so that the end portion 23 is folded over the corresponding counter portion 25. The part 25 is arranged between the device 4 of the stuffing station and the element 6a and oriented in the direction of insertion of the group 2 into the seat 11 when the blank 15 is inserted into the seat 11. It is pre-folded by means of two opposite known folding tabs 51.
The conveyor device 4 is provided with a device 52 for reducing the distortion of the material 15, and the pending Italian patent application No. BO91A 0
The contents described in No. 0266 are incorporated herein by reference as necessary for relevant portions of the disclosure.

The folding device 44 substantially comprises the wheel 8 for folding the longitudinal part 27 of the packaging element 16 on the longitudinal side of the group 2 facing the opening 12 of the seat 11 facing the element 6a. The first moving folding device 53 in the tangential direction, the folding device 29, and the group 2 are seat parts 1.
Corresponding end portion 55 of the packaging element 16 when inserted into
A seat 11 at right angles to the opening 12 (only shown for one of the groups 2 of passages 38 for simplicity) for folding
It comprises an internal first fixed folding tab 54, a second folding tab 56 fixed inside the collecting portion 35 of the carry-out conveyor 7 and two opposite spiral folding devices 57. There is.

The tabs 56 and the devices 57 are such that, as each group 2 is unfolded from its corresponding seat 11, the folding action takes place in a predetermined sequence, such as is shown for the same group 2 as part 55 for simplicity. It enables the corresponding second, third and fourth end portions 58, 59, 60 of the packaging element 16 to be folded in a known manner on the portion 55 (in this order).

Finally, FIGS. 4 and 5 show two simplified constructions of the device 1, the details of which in each case are given the same reference numerals as previously described. More specifically, the device 1a comprises a single packaging conveyor element 6 cooperating with a folding device 43, and feeding devices 4 and 13.
A strain relief device 52 (if provided), pushers and opposing pushers 17 and 18, and in this case a directly connected conveyor device 7 having only one collecting part 37
And a box packaging machine 45 are configured.

On the one hand, the device 1b comprises the same conveyor element 6 cooperating with the folding device 44, the device 14 and
A heat-sealing device 36 (if provided) and in this case an unloading conveyor 7 having only one collecting part 35
And a conveyor device 4 having in this case a beam 5 arranged opposite the device 14 and with pushers and opposed pushers 17 and 18 to form a packaging machine 46.

With reference to the complete device shown in the figures, in actual use, a group 2 of preformed packages 3 preformed in a known manner (not shown) is shown on the conveyor element 6 proximate to the device 4, illustrated. In the example, the wheel 8 is fed between adjacent pairs of tabs 32 to a conveyor element 6a located with an empty seat 11 facing the branch 33. In order to pack the group 2 in a box, the device 13 is used for the material 15 (15
Arrangement element (not shown) having a shape as shown by a)
In the upper part in front of the empty seat 11, the strain relief device 52 is fed in this example, the device 52 forming the material 15 into a U-shape, the end of which is defined by the parts 21 and 22 facing the device 4. So that the pusher 17 and the opposing pusher 18 (the pusher 18 moves towards the pusher 17 through the open end wall of the seat 11) insert the group 2 into the seat 11 so that the device 52 So that it intersects with the pre-folded material 15 that passes through.

Accordingly, the material 15 has a seat 11 on the open side.
Is folded in a U-shape around group 2 so as to face away from it and inserted with group 2 into seat 11. When the material is inserted into the seat 11, the end portion 2 of the material 15
5 is folded by a tab 51 located along the passage of group 2 (shape 15b), parts 21 and 22 are folded as previously described (shapes 15c and 15d) and the wheel 8 is adjoined by the seat 11. By one step equal to the distance between them, whereby the next empty seat 11 is brought to the device 4 and the seat to accommodate the group 2 and the tubular material 15 to the folding devices 48, 49 and 50 and folded. Allow portions 23, 26 and 24 to be obtained (shapes 15e, 15f and 15g).

In the course of the folding operation described above, the folding device 29 is held above the opening 12 in the rear seat 11 with the part 22 folded and the part 21 which is normally glued when fed away from the device 13. And 22 are held and pressure is applied to the parts so that they adhere firmly to each other. These end portions are also preferably glued on leaving the device 13 so that at this stage the blank 15 is completely folded into a square hexahedron box that tightly houses the group 2, forming a carton 2a.
The wheel 8 then rotates one step, carrying the seat 11 containing the carton 2a to the device 14 and folding the next seat 11 containing the group 2 and the material 15 by folding devices 48,49.
And 50, and yet another empty seat 11 to the device 4.

At this point, the carton 2a is moved to the conveyor 6a.
Removed (after the folding device 29 is first retracted from the seat 11), the wheel 8 is further rotated to bring the new empty seat 11 to the device 4 in preparation for the next stuffing / folding cycle. According to the invention, the carton 2a is optionally withdrawn on the second conveyor element 6b or carried directly to the part 37 of the unloading conveyor 7. In the first case, the pushers 20 and 19 are operated to transfer the group 2 from the seat 11 of the element 6a into the corresponding seat 11 of the element 6b located facing the device 14. In the second case, the wheel 8 of the element 6a is rotated one more step, carrying the seat 11 containing the carton 2a to the part 37, where the carton 2a is gripped by the pushers 41 and 42 and of the passage 38. It is taken inside.

When the carton 2a is fed to the element 6b, it is removed directly by means of the rotating wheel 8 of the element 6b, whereby the associated seat 11 is pushed by the pushers 41 and 42 as the carton 2a has already been described. It is carried, or even wrapped, for example in cellophane, on the radial collecting part 35 to be extracted and inserted. In the latter case, prior to transferring the carton 2a from the element 6a to the element 6b, a packaging element 16, for example a sheet of cellophane®, is fed by the device 14 and the carton 2a from the seat 11 of the element 6a. When transferred to the facing seat 11 of the element 6b, it is occluded by the carton 2a, folded in a U-shape around the carton, and of the seat 11 of the element 6b with the carton 2a as described in connection with the blank 15. Inserted into the longitudinal section 2
7 and 28 are projected outside the seat 11.

The parts 27 and 28 are folded and fixed by the folding device 53 and the folding device 29 of the seat 11 as described for the parts 21 and 22, after which the ends at each end of the element 16 are terminated. Part broken, part 55
Is folded by the fixed tab 54 during insertion into the seat 11 and the portions 58, 59 and 60 are made by the tab 56 and the spiral folding device 57 in the collecting portion 35, which is performed as described above. Folds during extraction.

Finally, in order to wrap the group 2 easily, for example without a cardboard box, this is done by simply not allowing the material 15 to be fed by the device 13, in which case the group 2 of the element 6a. A packaging element which is inserted in the seat 11 and is supplied without any action by the element 6a to the empty seat 11 of the element 6b, which can be a printed sheet of paper, foil or cellophane. It is inserted together with 16 into the seat 11 of the element 6b and is wrapped with the packaging element 16 by the folding devices 29, 53, 54, 56 and 57.

The advantages of the present invention will be apparent from the above description. On the one hand, the present invention provides a versatile universal machine of standardized construction by duplicating the same element (wheel 8) to perform different functions, i.e. a universal boxing, packaging or both. Provide the machine. On the other hand, using the same unit, it can be converted into a versatile machine with the addition of one component (another wheel 8) together with the associated accessories, for special purposes such as packaging or cartoning machines. Allow the machine to be formed.

In this way, one of the special purpose machines is cheaply, easily and quickly retrofitted so that both the special purpose machine and the universal machine have the same major components (wheels 8). By doing so, the manufacturing process can be substantially reduced. Finally, the invention also allows for precise treatment of group 2 so that the possibility of product damage is eliminated or at least minimized. In the case of the universal structure shown in FIG.
The part (packing part) can be omitted altogether when not needed.

[Brief description of drawings]

FIG. 1 is a schematic operation explanatory view in which a part of a preferred embodiment of the device of the present invention is cut.

2 is an enlarged plan view of the first detail of FIG. 1. FIG.

FIG. 3 is a schematic perspective view of a second detail of the device of FIG.

4 is a schematic view of a simplified structure of the device of FIG.

5 is a schematic view of another simplified structure of the apparatus of FIG.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Packing device 2 ... Small packing group 3 ... Small packing 4 ... Carrying-in conveyor device 6 ... Packing conveyor device 7 ... Carrying-out conveyor device 8 ... Wheel 11 ... Seat part 12 ... Seat part opening 13 ... Feeding device 14 ... Feeding device 15 ... First packaging element (material) 16 ... Second packaging element 17 ... Pusher 18 ... Opposed pusher 19 ... Pusher 20 ... Opposed pusher 29 ... Folding device 30 ... Flexible belt 31 ... Pulley 32 ... Outer tab 35 ... Collection part 37 ... Collection Portion 38 ... Passage 40 ... Pusher 43 ... Folding device 44 ... Folding device 45 ... Boxing device 46 ... Packaging device 47 ... Moving folding device 48 ... Fixed folding device 49 ... Moving folding device 51 ... Folding tab 52 ... Strain reducing device 54 ... Folding tab

Claims (9)

[Claims] 1. A device (1) for packaging small packages (3), especially a group (2) of cigarette small packages, said device (1).
A conveyor device (4) for feeding to said packaging conveyor element (6) at least one packaging conveyor element (6) running in a given direction and a group (2) of preformed small packages (3). And between the conveyor device (4) and each packaging conveyor element (6) for supplying each packaging element (15, 16) for each group (2) of small packages (3). It comprises at least one device (13, 14) installed and an unloading conveyor device (7) for the packaged group (2), said packaging conveyor element (6) each comprising said package ( 3) each group (2) and each packaging element (15, 1)
And a folding means (43,44) cooperating with the packaging conveyor element (6) in a packaging device having a number of peripheral seats (11) for receiving Means (43,44) first folding means (43) forming a boxing device (45)
And a second folding means (44) forming a packaging device (46), wherein the packaging conveyor element (6) is the first and second folding means (43, 44). A packaging device for small packages, characterized in that they cooperate with each other equally. 2. A first and second packaging conveyor element (6)
a, 6b), the first packaging conveyor element (6a)
Is arranged facing the conveyor device (4), and a second packaging conveyor element (6b) is arranged between the first packaging conveyor element (6a) and the carry-out conveyor device (7). , A second device (14) and a second wrapping conveyor element (6a) for supplying a second wrapping element (16) for each said group (2) of parcels (3) and a second wrapping element (6a). It is provided between the packaging conveyor element (6b) and the pressing means (17,
18; 19, 20) is the first packaging conveyor element (6
a) and a second packaging conveyor element (6b),
The groups (2) of small packages (3) are transferred from the conveyor device (4) to the seats (11) of the first packaging conveyor element (6a) and also the first packaging conveyor element (6).
a) through the second feeding device (14) to the second
To the seat (11) of the packaging conveyor element (6b), and the group (2) of small packages (3) and the second packaging element (16) together with the second conveyor element (6b). 3. The packaging device according to claim 1, characterized in that it is inserted into the seat portion (11). 3. The carry-out conveyor device (7) comprises a first collecting part (35) extending radially from the second packaging conveyor element (6b), and a first collecting part (35). Substantially the same and extending radially from the first packaging conveyor element (6a) immediately downstream of the second packaging conveyor element (6b) with respect to the traveling direction of the first packaging conveyor element (6a). And a second collecting portion (37) for discharging, wherein the carry-out conveyor device (7) has the first and second collecting portions (37).
The collecting part (35, 37) of the package (3) with a passage (38) accommodating a moving and pushing element (40) which moves at a right angle and for a predetermined distance. Second
3. A packaging device according to claim 2, characterized in that it is transferred from each collecting part (35, 37) of said to said passage (38). 4. The packaging conveyor element (6) comprises a wheel (8) mounted for rotation about its axis and having a number of radial seats (11), each seat (11) comprising: 2. A packaging device according to claim 1, characterized in that (b) has a carry-in opening (12) facing the outer periphery of the wheel (8). 5. The packaging element (1) wherein the seat (11) is folded in a U shape around each group (2) of small packages (3).
5) the first longitudinal part (21), the second longitudinal part (22) and the end parts (23, 26) are seated (11).
The first folding means (43) is attached to the conveyor device (4) substantially inclined with respect to the seat (11),
The first longitudinal portion (2) of the packaging element (15)
A first movable folding device (47) for folding 1) on the longitudinal side of the group (2) facing the opening (12) of the seat (11), and each seat. For the part (11), move integrally with the wheel (8) towards and away from the seat (11) to move the second part (22) of the packaging element (15) to the first part (22). A number of second folding devices (29) that fold over the portion (21) and hold it in a folded position for a given rotation of the wheel (8), and arranged around the wheel (8). At least one of the end portions (23, 24, 26) is provided and is circumferentially spaced from the first folding device (47) by a distance equal to the spacing of the seats (11).
A third fixed folding device (48) and a fourth moving folding device (49) for respectively folding the two, the wheel (8) rotating in a given direction at a given angle step. The seat portion (11) is continuously supplied to the conveyor device (4) and the carry-out conveyor device (7).
The packaging device described in. 6. A device (52) for reducing distortion of the packaging element (15) facing the conveyor device (4) and a packaging element (15) facing away from the opening (12), the seat (15). 11) is provided with respective fixed folding tabs (51) for folding each first opposite end portion (25) of said packaging element (15). The packaging device according to claim 5. 7. The first folding means (43) is arranged on the third and fourth folding devices (48, 49) with respect to the wheel (8), and the packaging element (15).
A fifth moving and folding device (50) for folding over each second end portion (23) facing said first end portion over said first end portion (25) of said And the fourth
A folding device (48,49) projecting from the seat (11) above the first and second parts (25,23) and perpendicular to the first and second end parts (25,23). 7. A packaging device according to claim 6, characterized in that each third opposing end portion (24) and fourth opposing end portion (26) of said packaging element (15) is adapted to be folded over. .. 8. The package (3) comprises the seat (11).
Each first and second longitudinal portion (27,2) of said packaging element (16) folded in a U-shape around each group (2) of
8) and each end portion (55, 58-60) by the seat portion (1
1) so that said second folding means (44) is adapted to remain projecting from said first folding means (44) of said wrapping element (16) substantially tangentially to said wheel (8).
A first moving and folding device (53) for folding over the longitudinal portion (27) of the seat (11) on the longitudinal side of the group (2) facing the opening (12) of the seat (11), For each seat (11), move closer to and away from the seat (11) integrally with the wheel (8) to move the second part (28) of the packaging element (16) into the first part (28). A number of second folding devices (29) that fold over the portion (27) and hold the second portion in the folded position during a given rotation of the wheel (8); 11) housed in the seat (1)
1) each first fixed folding tab (54) which folds each first end portion (55) of the packaging element (16) when inserted into the packaging element (16); 2)
Each second end portion (58) and third end portion (5) of the wrapping element (16) when is withdrawn from the seat (11).
9) and a fourth end portion (60) in said predetermined order
Second folding tab (56) that folds over part of
And a first and a second spiral folding device (57), the second tab and the first and second spiral devices (57) extending radially from the wheel (8). The collecting part (3) of the carry-out conveyor device (7)
The packaging device according to claim 4, wherein the packaging device is fixed to 5). 9. The device (4) carrying the group (2) of packets (3) is wound around a pulley (31) and each adjacent pair is provided with a group (2) of the packets (3). A flexible belt (30) having a number of peripheral protruding outer tabs (32) for receiving the belt (30), said belt (30) being substantially at the axis of rotation of said packaging conveyor element (6). Wrapped around an axis (A) which is arranged to run parallel and is inclined with respect to the seat (11) of the packaging conveyor element (6), a pressing element (17) is provided on the belt (30). Group (2) of said packets (3) provided on the underside of said belt (30) and arranged between said two adjacent tabs (32) of said belt (30).
Packaging device according to one of the preceding claims, characterized in that it is transferred into the seat (11) of the packaging conveyor element (6).