EP0831045A1 - Method and device for opening flexible and flat products - Google Patents

Abstract

The first product piece (12) has an edge (20) overlapping the second piece (14). The pieces are fed with an edge (18) at an angle in relation to the direction of feed (F), and with this edge preceding in relation to the edge (16) joining the two pieces. When the projecting edge (18) reaches a rigid stop (30) the first piece is curved out in its side corner area which leads to the second piece being lifted from the first to form an opening. With further transportation a holding-open element (34) is inserted in the opening to keep the two pieces apart.

Description

The present invention relates to a method and a Device for opening flexible, flat products according to claim 1 or 7.

EP-A-0 576 728 discloses a method and an apparatus for opening centrally folded sheets that by means of a clamp conveyor with swiveling clamps in a scale formation in which each arch on the in advance, be promoted gradually. The brackets hold the sheets at their folded edges; in terms of the folded edge is the open one opposite this Leading edge. There is one on the side of the clamp conveyor Opening device with a lifting and lowering suction head arranged. By swiveling the brackets the Arch from a scale formation at right angles to Direction of conveying edge in a scale formation with the edge slanted to the conveying direction, in which the bow on the of the opening device facing side with a side corner area over the protrude adjacent arc. As soon as one sheet each its corner area has reached the suction head the clamp conveyor stopped, after which the suction head the upper part of the arch captured in the corner area and from stands out below. When starting again The suction head gives the clamp part the lifted sheet part free, which on a profile-shaped hold-open element comes to the plant. Then the brackets pivoted in the opposite direction, so that the open and corner area kept open by means of the hold-open element now becomes the leading corner. An accelerator captures the product part below in the leading Corner area around the open arch on a saddle, of a saddle stitcher. The gradual transport leads to a restless run and is likely to have processing capacity restrict. Next is the structure of the device complicated.

A method and device for opening multi-leaf products folded in the middle with continuous Funding is disclosed in EP-A-0 344 787. The Products are leading with respect to the fold edge and more open at an angle to the conveying direction Edge using a cam conveyor in a scale formation transported in which each product on the lying ahead. To the side of the cam conveyor an opening device with several at a distance of the products Suction head pairs arranged one behind the other are provided. The pairs of suction heads are synchronously in and opposite the direction of conveyance is movable in time with the printed products and the suction heads of the pairs of suction heads are transverse to the conveying plane movable towards and away from each other. she capture the bottom and top of each other adjacent leaves in the corner area and stand out from the rest of the sheets. After releasing of the lifted leaves, these come on guide elements to the system to over or under the following suction heads to be led away. The products are in of this kind gradually opened, then on the saddle of a saddle stitcher. The successive Opening the products takes considerable time and requires a complex opening device. The complicated one Movement of the suction heads in turn limits the processing capacity.

It is an object of the present invention, a method and a device for opening flexible, flat Propose or create products that or the disadvantages of the known methods and devices eliminated.

This task is accomplished with a method according to claim 1 and solved with a device according to claim 7.

The invention takes advantage of the inherent elasticity of the flexible products to open out. Due to the inclination of the Products is a corner area and a section of the edge exposed with which the fixed stop and the fixed Keep open element can interact without disability through the neighboring products. A first part of the product has one, over the other second part of the product protruding edge section. This allows opening of the product in a single step to the desired one Place and enables the formation of the attack such that it opens the first part of the product can hold back safely. The one with the outside Flat side of the first product part interacting guide surface ensures that the stop only on the acts first product part and thus the product exactly opened between the first and second product part becomes. Due to the inclination of the product and the Effect of the attack on the products in the back End section of the leading edge, the products only in the corner area affects what on the one hand small forces acting on the products and on the other hand for a safe opening in a short time and on short funding path leads.

Preferred forms of further development of the invention Process are in dependent claims 2 to 6 and preferred embodiments of the device according to the invention specified in dependent claims 8 to 15.

Fig. 1 bis 3

in perspektivischer Darstellung zu drei aufeinanderfolgenden Zeitpunkten das Öffnen eines Erzeugnisses, dessen erster Erzeugnisteil auf einer Förderebene aufliegt;

Fig. 4 bis 6

in Ansicht in Richtung des Pfeiles IV der Fig. 1 das Öffnen des in den Fig. 1 bis 3 gezeigten Druckereierzeugnisses zu denselben Zeitpunkten;

Fig. 7 bis 9

in gleicher Ansicht wie die Fig. 4 bis 6 das Öffnen des Druckereierzeugnisses zu drei unterschiedlichen Zeitpunkten mittels eines festen Anschlags, der mit der Förderebene einen spitzen Winkel bildet;

Fig. 10

perspektivisch eine Vorrichtung zum Öffnen der Erzeugnisse;

Fig. 11

die in der Fig. 10 gezeigte Vorrichtung, teilweise geschnitten, in Seitenansicht in Richtung des Pfeiles XI der Fig. 10;

Fig. 12

in gleicher Darstellung wie Fig. 1 die Anordnung von im Abstand hintereinander angeordneten, zu öffnenden Erzeugnissen;

Fig. 13

in gleicher Darstellung wie in Fig. 12 in Schuppenformation hintereinander angeordnete, zu öffnende Erzeugnisse;

Fig. 14

in perspektivischer Darstellung eine weitere Ausbildungsform der Vorrichtung zum Öffnen der Erzeugnisse;

Fig. 15 bis 17

in perspektivischer Darstellung eine Vorrichtung zum Öffnen von Erzeugnissen, die mit der Flachseite des zweiten Produkteteils auf einer Förderebene aufliegen, zu drei unterschiedlichen Zeitpunkten;

Fig. 18

in Richtung des Pfeiles XVIII der Fig. 15 die dort gezeigte Vorrichtung, teilweise geschnitten;

Fig. 19

in gleicher Darstellung wie Fig. 18 ein Teil der dort gezeigten Vorrichtung während des Öffnens eines Erzeugnisses;

Fig. 20

in einem in Förderrichtung verlaufenden Vertikalschnitt, die in den Fig. 15 bis 19 gezeigte Vorrichtung während des Öffnens eines Erzeugnisses; und

Fig. 21

perspektivisch einen Teil der in den Fig. 15 bis 20 gezeigten Vorrichtung während des Öffnens eines Erzeugnisses.

The present invention will now be described with reference to exemplary embodiments shown in the drawing. It shows purely schematically:

1 to 3

in perspective representation at three successive times the opening of a product, the first part of which rests on a conveyor level;

4 to 6

in view in the direction of arrow IV of Figure 1, the opening of the printed matter shown in Figures 1 to 3 at the same times.

7 to 9

in the same view as Figures 4 to 6, the opening of the printed product at three different times by means of a fixed stop which forms an acute angle with the conveying plane;

Fig. 10

in perspective a device for opening the products;

Fig. 11

the device shown in Figure 10, partially in section, in side view in the direction of arrow XI of Fig. 10.

Fig. 12

in the same representation as FIG. 1, the arrangement of products to be opened which are arranged one behind the other at a distance;

Fig. 13

in the same representation as in FIG. 12, products to be opened arranged one behind the other in scale form;

Fig. 14

a perspective view of another embodiment of the device for opening the products;

15 to 17

a perspective view of a device for opening products, which rest with the flat side of the second product part on a conveyor level, at three different times;

Fig. 18

in the direction of arrow XVIII of Figure 15, the device shown there, partially cut.

Fig. 19

in the same representation as FIG. 18, part of the device shown there during the opening of a product;

Fig. 20

in a vertical section in the conveying direction, the device shown in FIGS. 15 to 19 during the opening of a product; and

Fig. 21

perspective a part of the device shown in Figs. 15 to 20 during the opening of a product.

1 to 6 with 10 is a flexible, flat Designates product that a first product part 12th and has a second product part 14. The two Product parts 12 and 14 are along a connecting edge 16 interconnected and the first part of the product 12 stands with one along the connecting edge 16 opposite edge 18 extending, strip-shaped Edge area 20 over the second product part 14. Along the edge 18 with the connecting edge 16 connecting side edges 22 are the product parts 12, 14 are not connected to each other, the product 10 is thus along the side edges and on that of the connecting edge 16 opposite edge open. In the product shown 10 is an eccentrically folded multi-leaf Printed product, for example a magazine, a newspaper or part of it, the folded edge of which the connecting edge 16 forms. The products 10 can also be folded sheets or bound or stapled Printed products.

The product 10 lies with the outer flat side of the first product part 12 on a horizontal conveying plane 24, wherein viewed in the direction of conveyance F Edge 18 is leading with respect to the connecting edge 16 and the connecting edge 16 as well as edge 18 to the conveying direction F run obliquely. The product 10 thus points at one end of the edge 18 a leading corner 26 and adjacent to the end area distant from this corner 26 18 'of the edge 18 has a lateral corner region 28.

A pin-like stop 30 stands above the conveying plane 24 which is intended to be connected to the end section 18 'of the Edge 18 of the first product part 12 to act together. Adjacent to the stop 30 and above it the tip 32 of one seen in the conveying direction F, itself wedge-shaped opening element 34. The inclination of products 10 is selected so that the Move the connecting edge 16 past the stop 30 at a distance can.

With reference to FIGS. 1 to 6, the opening will now of the product 10 described. The product 10 is in Conveying direction F continuously promoted, making it with a stop region of the end section 18 ′ on the stop 30 comes to the system, as indicated by FIGS. 1 and 4. As a result the continuous promotion of the product 10 and the hindrance of the end section 18 ' the fixed stop 30 on moving in the conveying direction F, becomes the first product part 12 in the lateral corner area 28 arched, as can be seen in particular in FIG. 5 is; the bulge is designated 36. This bulge and the inherent stability of the second product part 14 cause this to form in corner area 28 an opening 38 stands out. When the product is transported on 10 now sticks the open element 34 with the tip 32 in this opening 38 so that the lifted second product part 14 in the lateral corner area 28 with its inner side on the hold-open element 34 rests, as is particularly the case in FIG. 2 is removable. The movement of the product leads that the held bulged first part of the product 12 due to its flexible properties the stop 30 jumps over and due to its elasticity itself again flat on the conveyor level 24, the product 10 by means of the hold-open element 34 during further transport kept open and possibly opened further 3 and 6 can be seen.

Since the stop 30 acts on the end section 18 'and thereby the product 10 only in the lateral corner area 28 is opened, only slight forces act on the product, so that this neither hurts nor in its position is changed. As a result of the interaction between the Stop 30 and the edge area 20 becomes the product 10 between the first product part 12 and the second product part 14 open. Since the first product part 12 bulged and the second product part 14 opposite the funding level 24 is raised significantly, the Stop 30 protrude by a dimension beyond the conveying plane 24, which is considerably larger than the thickness of the first product part 12; as can be seen from the figures, the stop 30 protrude by a measure that is larger than that Thickness of the product 10, which ensures the correct Opening contributes.

The security of opening can be increased even further, by forming the stop 30 so that it is in Seen conveying direction F, with the conveying plane 24 one includes acute angle α, as shown in FIGS. 7 to 9 is shown. The one protruding above the first product part 12 Stop 30 thereby forms a guide surface for the end section 18 ', so that the first product part 12 with its edge region 20 even then flat on the conveying plane 24 comes to the plant, if it protrudes from this should be curved, as shown in FIGS. 7 and 8 is indicated. The wedge effect of the Stop 30 the bulging of the first product part 12, as shown in FIG. 9. The reference numerals in FIG. 7 to 9 correspond to those used in Figures 1 to 6; she are given only to the extent that they are for understanding of the figures are necessary.

In the embodiment shown in FIGS. 10 and 11 the device is the conveyor plane 24 by a horizontal Plate 40 formed. Along the in the conveying direction F seen left edge 40 'of the plate 40, a belt conveyor runs 42 together with two a conveyor gap 44 for the Product 10 forming conveyor belts 42 '. The top active Run of the lower conveyor belt 42 'is flush with the conveyor plane 24. The conveyor belts 42 'are in opposite directions Direction driven at a constant speed to move the respective product 10 in the conveying direction F.

Seen perpendicular to the conveying direction F, at a distance from Belt conveyor 42, the stop 30 is attached to the plate 40, which protrudes over the plate 40. Next is with 34 denotes the hold-open element, the tip 32 in turn, at least approximately above the stop 30 and at a distance from it.

The device also has a guide gap 46 forming guide tape pair 48. In the conveying direction F seen the guide gap 46 begins before the stop 30 and ends approximately next to this. The ribbon of the pair of guide bands 48 are at the beginning in a known manner and end of the guide gap 46 guided around pulleys. In the area of the guide belt pair 48, the Plate 40 has a passage in which the lower guide band of the guide belt pair 48 is arranged so that its upper management effective strand in the funding level 24 runs. The pair of guide bands extending in the conveying direction F. 48 is freely circulating.

The printed product 10 lies on the outside Flat side of the first product part 12 on the plate 40 on, again the edge 18 and the parallel to it Connecting edge 16 run obliquely to the conveying direction F. In the direction perpendicular to the conveying direction F that is Product 10 arranged so that it is adjacent to the lateral corner area 28 to lie in the guide gap 46 is coming. With the side corner area 28 diagonally opposite, from a side edge 22 and the connecting edge 16 limited corner area 50, the product stands 10 over and over the edge 40 'of the plate 40 thus the conveyor gap 44.

As soon as the product 10 to be opened with its further one Corner area 50 enters the effective area of belt conveyor 42, it is continuously conveyed in the direction of conveyance F. and runs with its edge 18 into the guide gap 46 a. The opening process then plays out exactly the same way as in connection with FIG. 1 to 9 described. It's a guide and hold-down element forming pair of guide bands 48 leads on the one hand Product 10 and on the other hand presses the second part of the product 14 adjacent to the lateral corner area 28, which, on the one hand, leads to a bulge 36 with a steep rise Flanks and thus leads to a large opening 38.

12 and 13 show the device according to FIG. 10 and 11 greatly simplified in the same way as in 1 to 3. There was the opening based on a single Product 10 shown and described. The Products 10 can be promoted to open in a formation be separated by one behind the other are arranged, as shown in FIG. 12. Lying there the products 10 in turn with the first product part 12 on the funding level 24. The products 10 can also be promoted in a scale formation S. are, as indicated in Fig. 13. It is again the first product part 12 with respect to the second Product part 14 underneath and each product lies on the following on. As a result of the inclined position of the products 10 with respect to the conveying direction F is the lateral one Corner area 28 and the end section 18 'of the leading Edge 18 of none of the other products 10 covered. The products 10 thus neither prevent access of the stop 30 on the end portion 18 ' Bulging the first product part 12 and forming the Opening 38. Rather supports the overlap of products 10 the formation of the bulge 36 with steep Flanks, even if there is no guide and hold-down element is available.

In the embodiment of the embodiment shown in FIG. 14 Device will be the products 10 at their connecting edge 16 held by clips 52 transported. The brackets 52 are on one in the conveying direction F driven all around, indicated by dash-dotted lines Traction element 54 arranged one behind the other at a distance. The products 10 held by brackets 52 are in turn with their first product part 12, on the Conveying level 24 lying on, transported. The leading one Edge 18 and parallel connecting edge 16 in turn run with respect to the conveying direction F oblique. Regarding the Traction element 54 laterally offset, the stop 30 about the funding level 24 before. Is located above the stop 30 the tip 32 of the hold-open element in turn 34. Downstream of the stop 30 is the tension element 54 in a bow 54 'out. Adapted to the course of this arch the opening element 34 is formed to the under the action of the stop 30 in the lateral corner area Keep 28 open product 10 open and reduce it the distance between the tension element 54 and the Hold-open element 34 or change the relative position of this Open items further. This type of training allows in a simple way the delivery of the products 10 to one and placing on a saddle-shaped pad a collecting facility or another processing station.

So far, forms of training of the inventive Device shown, in which the conveyor plane 24 a Guide surface 56 for the outer flat side of the forms the first product part 12. The following is now an embodiment of the device according to the invention in which the guide surface 56 from the conveyor plane 24 is separated. As can be seen in FIGS. 15 to 21 is, the device again has one by one Plate 40 formed conveyor level 24. Neighboring in Direction of conveyance F extending and seen in the conveying direction F. right edge 40 '' of plate 40 is a plate-like Guide element 58 arranged together with the Plate 40 delimits a gap 70 and together with the extended imaginary support level 24 in a right angle seen to the conveying direction vertical plane, includes an acute angle (see in particular Fig. 18 and 19). Seen in plan view, the guide element overlaps 58 the plate 40 and stands over it at the same time in a lateral direction. Seen in the direction of conveyance F. at the start, the guide element 58 is in the direction of the plate 40 bent away to taper with this To form inlet 60. Following the inlet 60, the guide element 58 runs parallel to the edge 40 '' and the conveyor plane 24 formed edge. The guide element 58 forms with his, the plate 40 facing Surface, a guide surface 56 for the first product part 12 of the product 10, as shown below is to describe.

At the downstream end of the guide element 58 attached a stop 30, which over the guide surface 56th protrudes and seen laterally outside in the conveying direction of the edge 40 ''.

Below the stop 30 and at a distance from it is the tip 32 of the hold-open element 34, such as this can be seen particularly clearly in FIG. 20. Of the Stop 30 is tongue-like and in turn closes with the guide surface 56 an acute angle.

15 to 18 is with a dash-dot line Line 62 indicated a grant that is in the way like 10 and 11, as a belt conveyor or as in 14, can be designed as a clamp conveyor can. With another, also dash-dotted Line 48 is a pair of guide tapes in Figs. 15, 16, 17 and 19 indicated that, as in particular in FIG. 18 is removable, is formed in the same way as shown in Figs. 10 and 11 and in connection with described these figures. The pair of guide tapes 48 is at a distance from the edge 40 '' which is essential is smaller than the distance from this edge 40 '' to Funding 62.

The products 10 to be opened are connected to the outside Flat side of the second product part 14 on the Funding level 24 supported supported. The one on the second Product part 14 is overlying first product part 12 connected to that along the connecting edge 16 and points along the opposite of the connecting edge 16 Edge 18 of strip-like edge region 20 with which the first product part 12 over the second Product part 14 protrudes. Seen in the direction of conveyance F. edge 18 is again in relation to the connecting edge 16 leading. The product is thus at the funding level 24 supported that it with its lateral Corner area 28 on the guide element 58 facing Protrudes over the edge 40 '' of the plate 40. This in this way by means of the funding 62 in the conveying direction F funded product 10 comes with the side Corner area 28 in the area of the inlet 60 and is bent downwards by the guide element 58, so that the first product part 12 at least in a portion of the corner area 28 on the guide surface 56 is present. The pair of guide tapes 48 stabilizes on the one hand the product 10 and on the other hand prevents that the product 10 bulge in the area of the plate 40 can. This prevents the first part of the product 12 stands out from the guide surface 56 (FIG. 18). As now from Fig. 16 in conjunction with the Fig. 19, 20 and 21 emerges, edge 18 now comes with the End portion 18 'at the stop 30 for contact, whereby the first product part 12 in the lateral corner area 28 in Towards the bottom. The bulge is designated 36. The bulging has the consequence that the second product part 14 in the corner area 28 with formation the opening 38 lifts off the first product part 12. Thereby the lifted second product part 14 below that Opening part 34 directed so that its tip 32 in the Opening 38 comes to rest. As this is particularly the Fig. 21 can be removed, the first at the stop Product part 12 bent into a U shape, which means that the end section 18 'is lifted off the stop 30 as soon as the bent part of the first product part 12 am free end of the stop 30 comes to the system. Thereby the first product part 12 automatically detaches from the stop 30 and due to its inherent elasticity goes into the flat position back, the lateral corner area 28 of the first product part 12 onto the guide element 58 in Facility is coming. By means of the hold-open element 34 the product 10 is kept open and can be opened even further as indicated in FIG. 17.

Leave with the device shown in Figs. 15 to 21 products 10 open in a formation according to Fig. 12 or in a scale formation S, similar to that 13, are promoted, but now each product 10 rests on the leading one. The first part of the product 12 is overhead with respect to the product part 14.

The device according to the invention can be used without Changeover individually, one after the other as well as in scale formation Process resulting products. The device can also be configured to convert products with top and bottom first product part to be able to open.

Claims (15)

Method for opening flexible, flat products, such as printed products, with two product parts (12, 14) connected to one another at a connecting edge (16), of which a first product part (12) with an edge (18 ) extending, strip-shaped edge region (20) protrudes over the other second product part (14), with the following features: the products (10) are arranged one behind the other in a conveying direction (F), with an edge (18) leading with respect to the connecting edge (16) and inclined to the conveying direction (F), continuously conveyed, during conveying, the products (10), with the outer flat side of the first product part (12) abutting a guide surface (56), with an end section (18 ') at the rear in the conveying direction (F) of the edge (18) at an over the Guide surface (56) protruding fixed stop (30) and thereby the first product part (12) in the lateral corner area (28) adjacent to the end section (18 ') is arched and the second product part (14) from the first product part (12 ) lifted off to form an opening (38), the lifted second product part (14) is then supported on the side facing the first product part (12) by a solid open-holding element (34) penetrating the opening (38), and the first part of the product (12) is automatically brought to jump over the stop (30) by the further conveyance in order to be conveyed lying on the other side of the hold-open element (34). A method according to claim 1, characterized in that the products (10) with the first product part (12) on a conveyor plane forming the guide surface (56) (24) can be funded on-site. A method according to claim 2, characterized in that the products (10) in a scale formation (S) are promoted in each product (10) the trailing, with the release of the lateral Corner area (28) rests. A method according to claim 1, characterized in that the products (10) with the second product part (14) lying on a conveyor level (24) and with the side corner area (28) above this above promoted and with the corner area (28) to the forming a gap (70) with the conveying plane (24), to the conveying plane (24) sloping guide surface (56) for arching and opening will. A method according to claim 4, characterized in that the products (10) in a scale formation (S) are promoted in each product (10) the preceding one, leaving the lateral one free Corner area (28). Method according to one of claims 2 to 4, characterized characterized that the products (10) when bulging in an area adjacent to the corner area (28) at least approximately by means of a guide means (48) held in the conveyor level (24) remaining will. Device for opening flexible, flat products, such as printed products, which have two product parts (12, 14) connected to one another at a connecting edge (16), of which a first product part (12) has an edge (1) opposite one of the connecting edge (16) 18) extending, strip-shaped edge region (20) protruding over the other second product part (14) a continuously driven conveying device (42, 52, 54, 62) which is intended to convey the products (10) arranged one behind the other in the conveying direction (F) with an edge (18) leading with respect to the connecting edge (16) and inclined to the conveying direction (F) ) to promote, a guide surface (56) for the outer flat side of the first product part (12), a fixed stop (30) protruding over the guide surface (56) against which the first product part (12) is brought into contact with an end section (18 ') of the edge (18) located at the rear in the conveying direction (F), and thereby the first product part ( 12) in the lateral corner region (28) adjoining the end section (18 ') and the second product part (14) is lifted off from the first product part (12) to form an opening (38), and a fixed hold-open element (34) which is intended to penetrate the opening (38) and to support the raised second product part (14) on the side facing the first product part (12) and from the first product part (12) after it has jumped over the stop (30) to keep separate. Device according to claim 7, characterized in that the stop (30) over the guide surface (56) protrudes a measure that is greater than the thickness of the first product part (12), preferably larger than the thickness of the product (10). Device according to claim 7 or 8, characterized in that that the stop (30) with the guide surface (56) forms an acute angle (α). Device according to one of claims 7 to 9, characterized characterized in that the conveyor is a conveyor level (24) on which the products (10) are flat and a guide means (48) for the products (10), which in the conveying direction (F) at Stop (30) and laterally offset with respect to this is arranged to bulge the products (10) of the first product part (12) in one to the side Corner area (28) adjacent area at least approximately to keep in the conveyor level (24). Device according to one of claims 7 to 10, characterized characterized in that the conveyor is a belt conveyor (42) with two forming a conveyor gap (44) Conveyor belts (42 ') intended for this is on the products (10) outside the side Corner area (28), preferably in another Corner area (50). Device according to one of claims 7 to 10, characterized characterized in that the conveyor on a Traction element (54) arranged one behind the other at a distance Brackets (52) with diagonally to the conveying direction (F) Has clamp mouth, and the conveyor track of the Brackets (52) downstream of the stop (30) in one Sheet (54 ') to a delivery point for the open and kept open by means of the hold-open element (34) Products (10) runs. Device according to one of claims 7 to 12, characterized characterized in that the guide surface (56) of a Funding level (24) is formed on which the products (10) with the first product part (12) at least with the side corner area (28) lying flat are transported, and the stop (20) over the Funding level (24) protrudes. Device according to one of claims 7 to 13, characterized characterized in that the conveyor is a conveyor level (24) on which the products (10) with its second product part (14) and with the lateral corner area (28) laterally above the conveyor level (24) are transported above, the Guide surface (56) together with the conveying plane (24) forms a gap for the products (10) and the Stop (30) from the conveyor plane (24), at right angles measured to the conveying direction (F), arranged spaced is. Device according to one of claims 7 to 14, characterized characterized in that the conveyor (42, 52, 54, 62) is intended for the products (10) in Scale formation (S) with mutual overlap too promote, and the stop (30) on by the Oblique exposed end section (18 ') of the products (10) acts.

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