EP1525998A2 - Method and device for pasting advertising cards during gathering and stapling - Google Patents

Abstract

The folded sheet feeders (12,14,16,18) convey folded sheet (B1-B4) to two card gluers which are arranged along assembly chain (20) for gluing personalized printed matter on selected folded sheets. An independent claim is also included for method for producing personalized saddle stitcher brochure.

Description

The invention relates to a saddle stitcher for signatures with a stitching station, at least a folded sheet feeder, a S ammelkette, a drive and at least two Card adhesive along the collecting chain for donating personalized Substrates on the signatures on the gathering chain.

Generic saddle stitchers are paper processing machines with which a End product, such as a booklet, composed of several folded sheets and stapled. Printed folded sheets become lying or on the folded sheet investors the back standing in stacks fed and there isolated, opened and on the Saddle chain laid out. The number of folds to staple is on the saddle chain collected and aligned by drivers. The collecting chain transports the collected folded sheet to the stitching station, where this stapling heads with Drahtklammem be stapled. To trim the edge of stitched products is common a trimmer provided, from which the end products to a display be transported further. From European patent EP 917 965 B1 is a generic saddle stitcher known.

The mere collection of folded sheets to a booklet is often not enough to one Make print product attractive enough. There is a need to have a saddle stitcher like this to provide added value to a printed product. This added value arises, for example, by additional processing steps of the signatures during the Collecting. One way of generating added value is to add the printed product Elements, such as samples, e.g. Perfume or creams or else Rack Cards. It is particularly convenient to address the reader personally, if this is known in principle, for example, because he has subscribed to the printed matter, or it is about a mailing is. The additional personalization can, for example, by A glued on advertising card made by a digital printing device for a certain clientele e.g. was printed with the name and its address and on a saddle stitcher is glued to a certain point of the printed product. Such product sample adhesives or card adhesives belong to the state of the art.

Accordingly, it is an object of the present invention to provide a device the additional value added to the collected product To provide processing steps of the folded sheets during collection. This task is solved with a saddle stitcher according to the protection claim 1 and by means a method of producing personalized saddle-stitched booklets according to claim 16. Further features emerge from the subclaims.

Under printing materials here are all materials and surfaces to see on the one Personalization can be applied, such as paper, cardboard, foil, plastic or textile fabric. The surfaces may be e.g. also about packaging from others Substances, such as an envelope or a container for cosmetics or other substances or a data carrier, such as a CD. It would also be conceivable that the personalized data is stored digitally on a data medium and the Substrate only serves as packaging for the personalized digital data carrier and possibly not personally personalized. The personalized substrates that glued together in a single printed product form a set. Within of the set, the personalized substrates may differ from each other. Also The individual sets can be made from a different number of personalized ones Consist of printing materials.

In an advantageous embodiment of the invention, the drive of the saddle stitcher from several individual drive units. Advantageously, each individual drive unit at least one electric motor and a control unit assigned thereto, as well as a Connection for exchanging data and / or control signals between the Control units. Preferably, all the folded sheet feeder, the stitching station and the Collecting chain also each have a single drive unit. Alternatively, stitching station and Collective chain be assigned together a single drive unit.

By the provision of individual drive units with their own synchronous, asynchronous or DC motor can be the saddle stitcher by any number of Falzbogenanlegern and card adhesives are extended. The exchange of data and / or Control signals between the control units ensures the synchronous Operation of the individual components of the saddle stitcher. The rotational position offset individual Components can also be easily changed during operation of the saddle stitcher become. The exchange of folded sheet investors and card stickers between two Saddle stitcher is much easier.

It is advantageous to connect to the exchange of data and / or control signals as Train fieldbus. The use of a bus line allows the bidirectional Data exchange between the individual components of the saddle stitcher. The Extension of a saddle stitcher with single folded sheet feeder, card adhesive or other components, e.g. Label dispensers, by simply connecting the Control units are made to the fieldbus without requiring additional cable connections be provided.

Advantageously, at least one control unit has a memory-programmed Control and / or a motor control on. The programmable controller enables easy adaptation through flexible and user-friendly training all components of the saddle stitcher to different operating conditions, such as different production speeds and paper qualities. The engine control on the other hand, has the necessary for real-time control of the engine Processing speed on.

Each motor control advantageously has a motor controller, a bus interface, an input / output unit and a motor control amplifier. As a motor controller is a microcontroller provided with a microprocessor used. The Motor control power amplifier is needed as a power component to drive the motor.

At least one single drive unit is provided with a display and control panel. The single drive unit can thus be set manually on site or one Automatic adjustment and the current operating parameters can be displayed locally become.

Finally, the folded sheet feeder and / or at least one of the card adhesive with respect to the gathering chain can be arranged optionally rotated by 180 °. Such a Mixed operation with head or foot attachment of folded sheet is especially at Use of rod investors advantageous. An attaching of the personalized Substrates to different locations of the signatures can be due to this flexibility be achieved. Thus, the construction of the saddle stitcher is flexible and can easily existing premises to be adjusted. By reducing the speed of individual Single drive units can be any type of electronic transmission Reduction so that any modes, e.g. 1: 1, 1: 2, 1: 3, 1: 4 etc. can be realized.

In a further advantageous embodiment of the device according to the invention the folded sheet feeder and / or at least one of the card adhesives have a Suspension by means of which the folded sheet feeder and / or at least one of Card adhesive is detectable and movable. This is a quick change of position of the individual units possible.

In a further advantageous embodiment of the device according to the invention At least one card adhesive can be used at each investor position of the saddle stitcher. There According to the invention, the card adhesives as well as the investors access the gathering chain, can be donated only between two investors a personalized substrate, otherwise already the next folded sheet is thrown over the previous fold sheet and the previous folded sheet is no longer achievable. By the appropriate design that the card adhesive anywhere on the gathering chain placeable, it is possible on any fold sheet one or more aufzuspenden personalized substrates.

In a further advantageous embodiment of the device according to the invention are the Card adhesive via the connection for the exchange of data and / or control signals with synchronized to the drive of the saddle stitcher. This allows a consistent Achieve quality of the position of the personalized substrate on the signature. Advantageously, the control unit of the individual drive units of the card adhesive such designed that the speeds of the card glue on Speed changes of the booklet are customizable.

In a further advantageous embodiment of the device according to the invention are the Control units of the individual drive units of card adhesive designed such that the Aufspendeposition of personalized substrates on the folded sheet by a controlled rotational angle offset is finely adjusted. This can also be done while the operation of the saddle stitcher corrections are made that the Improve the appearance of the finished printed product.

In a further advantageous embodiment of the device according to the invention has the control unit of the saddle stitcher on a sequential investor monitoring, wherein the Card adhesives are included in this sequential investor monitoring. Under sequential investor monitoring is understood as a process in which the Control unit of each folded sheet feeder at least the control units all along the Follower chain following fold sheet feeder informed about the dropping of the fold sheet, In particular, whether the folded sheet was dropped correctly and no error or Double sheets have emerged. In this case, the control units of the following Falzbogenanleger and also the following card glue renounce it, further Discard folded sheets or stick personalized printing materials, since that Defective product would be discharged anyway.

In addition, the stapler by the sequential investor monitoring notified, it can be prevented that the failed product is stapled. The already collected folded sheets can then be easily taken apart again and be supplied to the corresponding Falzbogenanlegern. Advantageously remembers the control for which customers the personalization was lost, so which collected folded sheets, so that for these customers one each Printed product can be reproduced. Just then it is beneficial that the personalized substrates, which usually only exist once, again can be recovered from the stream of printed matter and so on Subsequently, a complete printed product with the relevant personalized Printed materials can be produced without the personalized data would have to be reprinted.

In a further advantageous embodiment of the device according to the invention are the Card adhesive configured such that on the front and back of each signature of a Booklet at least one personalized substrate can be dispensed.

In a further advantageous embodiment of the device according to the invention has the saddle stitcher continues to have a central control unit. Advantageously, this is central control unit with the control units of the individual drive units for replacement connected by data and / or control signals. Particularly advantageously controls the Central control unit of the saddle stitcher, the card adhesive so that all in one Brochure glued cards are the same personalized.

In a further advantageous embodiment of the device according to the invention behind each card adhesive a control unit provided through which the gluing of each controlled by personalized printing material. Particularly advantageous is still a discharge device provided through the leaflets are discharged, in which is missing a card. This can be the advantages of the above-described realize sequential investor monitoring particularly favorable.

a) Zuführen eines unpersonalisierten gefalzten Bogens über einen Falzbogenanleger

b) Ablegen des geöffneten Bogens auf der Sammelkette

c) Aktivierung des Kartenklebers, falls an diesen Bogen ein personalisierter Bedruckstoff angeklebt werden soll

d) Prüfen, ob der personalisierte Bedruckstoff angeklebt wurde

e) Zuführen eines weiteren unpersonalisierten Bogens über einen weiteren Falzbogenanleger

f) Ablegen dieses weiteren Bogens auf der Sammelkette

g) Aktivieren eines weiteren Kartenklebers, falls an diesen weiteren Bogen ein personalisierter Bedruckstoff angeklebt werden soll

h) Prüfen, ob dieser weitere personalisierte Bedruckstoff angeklebt wurde,

i) Wiederholung der Schritte e) bis h) solange, bis die komplette personalisierte Broschur zusammengetragen ist,

k) Rückstichheften der personalisierten Broschur.

The invention further relates to a method for the production of personalized saddle-stitched brochures with the steps:

a) feeding a non-personalized folded sheet over a folded sheet feeder

b) placing the opened bow on the saddle chain

c) Activation of the card adhesive, if a personalized substrate is to be glued to this sheet

d) Check if the personalized substrate has been glued on

e) feeding a further non-personalized sheet on another Falzbogenanleger

f) placing this further sheet on the gathering chain

g) Activate another card adhesive if a personalized substrate is to be glued to this additional sheet

h) Check if this additional personalized substrate has been glued on,

i) repeating steps e) to h) until the complete personalized brochure has been compiled,

k) Saddle stitch booklets of the personalized brochure.

In an advantageous embodiment of the method according to the invention is in a next step the saddle-stitched brochure trimmed on three sides.

In an advantageous embodiment of the method according to the invention are in additional steps after each gluing of a personalized substrate, whether the personalized substrate was actually glued and the Rejected if a personalized substrate is missing. This will avoided that incorrectly personalized printed products the other Are subjected to process steps and, where appropriate, the already collected sheet can be reused. Again, advantageously, the faulty Paperback identified so that for the concerning personalized recipient another personalized brochure can be generated.

In an advantageous embodiment of the method according to the invention is in a additional step checked if only the same personalized substrates in a brochure were glued. Not only can this ensure that everyone is on top of it provided that a personalized substrate was actually but that with all affixed personalized substrates also those for the same recipient. This will prevent it from shifting comes in the individual card adhesives, which otherwise systematically a thorough mixing of Recipients on the individual personalized substrates in a printed product would cause. For example, this is a readable indication of the personalized Substrate applied by the controller with an electronically stored Information, for example, from a corresponding database, can be compared. The readable indicia may be, for example, a barcode. Advantageously, printed products in which the controller determines that erroneously personalized substrates with different personalization the folded sheets of a brochure were glued, ejected. In another Advantageously, the personalized substrate is not included in the brochure glued in, if it is an incorrectly personalized substrate is.

Also, advantageously, the card adhesives are operated on the saddle stitcher so that the right compilation of personalization is restored when a Error occurred. For example, the third card adhesive in its stack lags behind a personalized substrate after, so the third card adhesive, for example ejecting his lowest card, so again in time with the other card stickers to be.

Fig. 1

eine perspektivische Darstellung eines gattungsgemäßen Sammelhefters mit einer schematischen Darstellung des Antriebs,

Fig. 2

eine schematische, perspektivische Darstellung eines Falzbogenanlegers mit einem Motor einer Einzelantriebseinheit,

Fig. 3-5

verschiedene Aufbaumöglichkeiten des erfindungsgemäßen Sammelhefters;

Fig. 6

ein Blockschaltbild des Antriebs einer ersten Ausführungsform des Sammelhefters;

Further features and advantages of the invention will become apparent from the following description and the drawing. Hereby show:

Fig. 1

a perspective view of a generic saddle stitcher with a schematic representation of the drive,

Fig. 2

a schematic perspective view of a folded sheet feeder with a motor of a single drive unit,

Fig. 3-5

various construction possibilities of the saddle stitcher according to the invention;

Fig. 6

a block diagram of the drive of a first embodiment of the saddle stitcher;

A saddle stitcher 10 of the prior art, which is provided with a card adhesive according to Present invention can be equipped, is shown in Fig. 1. This Saddle stitcher 10 has four folded sheet feeder 12, 14, 16 and 18, the scattered Place the folded sheet on a gathering chain 20. By collecting chain 20 are the individual folding sheets B1, B2, B3 and B4 and collected to the stitching station 22nd transported. The stitching heads 24 arranged in the stitching station 22 now staple the stitching heads stacked folded sheets B1 to B4. From the stitching station 22, the stapled Folded sheet to the trimmer 26 on, in which the edge trim of stapled Folded sheet is done. From the trimmer 26, the finished end products arrive, for example, brochures, on the display 28.

The drive of the saddle stitcher 10 consists of a main unit, which is an electric motor 30 and a control unit 32 has. The electric motor 30 drives the gathering chain 20, the Stapling station 22 and the trimmer 26 at. The folded sheet feeder 12 to 18 each have a separate slave unit, each of an electric motor 34, 36, 38 and 40 and an associated control unit 42, 44, 46 and 48, respectively. The main unit and the Secondary units are connected to each other via a field bus 50. Also with the Field bus 50 is connected to a central control point 52 with a display device and a keypad.

2 shows a schematic perspective view of a folded sheet feeder, For example, the folded sheet feeder 12 of FIG. 1. The folded sheets B1 lie in one Stacks on the folded sheet feeder are separated by separating drums 54 and opened by opener drums 56 and 58. After opening through the opening drums 56 and 58 a folded sheet B1 is placed on the gathering chain 20. Between leaving the Öffnertrommeln 56, 58 and hitting the saddle sets the signatures B 1 back a little way in free fall. On the gathering chain 20 are in regehnäßigem Distance driver 60 arranged for the individual folded sheets B 1. To drive the Singulating drums 54 and the Öffnertrommeln 56 and 58 is the electric motor 34th provided that drives the individual drums via a toothed belt or a chain.

FIG. 3 shows the configuration according to the invention of a saddle stitcher 62 in FIG schematic representation. The folded sheet feeder 64, 66, 68, 70, 72, 74, the stitching station 76, the trimmer 78 and the display 80 are L-shaped, wherein the Transport direction on the gathering chain 82 to the left. Behind the Falzbogenanleger 68 or 70 is a card adhesive 75 or 75 'with a control unit 45th or 45 'arranged, which adheres personalized substrates on folded sheets, if necessary, the folded sheet feeder 68 has dropped onto the gathering chain 82.

In addition, this saddle stitcher 62 additionally includes a cover feeder 65 a separate control unit 65 '. Other single-drive units such as For example, one or more label dispensers, not shown, are also conceivable. Also, a larger number of card adhesives 75, 75 'are conceivable that at any Places along the gathering chain 82 behind one of the folded sheet feeders 64, 66, 68, 70, 72, 74 may be arranged.

The control units 45, 45 'of the card adhesive 75, 75' are via the field bus 50 with the other control units 32, 42, 43, 44, 46, 47, 48, 65 'of the remaining units 64, 65, 66, 68, 70 72, 74, 76, 78 of the stitcher 62 connected.

As shown in Fig. 4, at least one of the card adhesives 75, 75 'can be easily removed from the Collector chain 82 are removed. The card adhesive 75, 75 'is not one with it equipped, known in the art landing gear equipped that if necessary can be. This is a change of different card adhesive 75, 75 'or Replacing a folded sheet feeder 64, 66, 68, 70, 72, 74 with a card adhesive 75, 75 'in a simple manner possible.

The flexibility in the construction of the saddle stitcher 62 according to the invention is illustrated by FIG. 5 further clarified. Since each folded sheet feeder 64, 66, 68, 70, 74 has its own Single drive unit, each Falzbogenanleger 64, 66, 68, 70, 74 with respect the collector chain 82 are rotated by 180 °. In the illustration of FIG. 5 was the Falzbogenanleger 68 rotated by 180 ° so that it now fed from the other side can be. This can, for example, space for a rod feeder or a Label dispensers are created. Such, shown in FIG. 5, mixed Operation of folded sheet feeder with head or foot attachment of the folded sheet allows, for example. also personalized substrates and labels either on the front or Glue back side of folded sheet. Also, the structure of the saddle stitcher on existing premises to be adjusted. The card adhesive 75 is now 180 ° mirrored arranged to the gathering chain 82. Are behind a folded sheet feeder 64, 66, 68, 70, 74 as shown in Fig. 5, two card adhesive 75, 75 'are arranged, one of which mirrored to the collecting chain is arranged, so can on a filed folded sheet double-sided personalized printing materials are donated.

In addition, the card adhesive not shown to those skilled in the art do not have shown, also known in the art sensors associated with the controls 45, 45 ' are connected. On the one hand, these sensors monitor whether a personalized one is actually being used On the other hand, whether it was the personalized Also the desired personalized printing material. This can an indication, for example: a barcode printed on the personalized substrate, be read out. For this it is necessary that the controls 45, 45 'or the central control 32, 100 is known which personalized substrates are in the Card stickers are located, such as through a set order of personalized Substrates. On the other hand, it can only be checked if the personalized Substrates that are glued to a single printed product the same or have at least one linked indicator. Is the order of personalized substrates in stacks in investors of card adhesive 75, 75 ' As is known, the controller 32, 100 steps in the event of faulty sticking to restore the order of the individual card adhesive 75, 75 ', so that continue to be compatible with the following printed products, personalized substrates are glued on. In one embodiment of the According to the invention, in the case where a first card adhesive is detected, that the personalized substrate was not stuck on the following Card adhesives closed the glue valves, making these personalized substrates Although isolated, but not glued to the signatures on the gathering chain 82.

In the block diagram of Fig. 6 is the drive of a first embodiment of the saddle stitcher according to the invention shown. The drive consists of several Single drive units, z. B. a main unit 86 and two auxiliary units 88 and 90th Each of these individual drive units has at least one electric motor 104, 118 and 130 and a control unit 87, 89, 91 associated therewith. The control unit 87 and the Control units 89 and 91 communicate with each other via a field bus 92. More auxiliary units may join, which is indicated by the dashed continuation the field bus line 92 is indicated. With the reference number 100 is a Central control referred to, also via the field bus 92 with the main unit and connected to the auxiliary units.

The main unit 86 is associated with, for example, the stapler and the trimmer.

The structure of the secondary units 88 and 90, each of which is a folded sheet feeder 64, 66, 68, 70, 72, 74 or a card adhesive 75, 75 'are substantially the same or at least compatible with each other. This allows the folded sheet feeder 64, 66, 68, 70, 72, 74 or card adhesive 75, 75 'are easily interchanged and their number can be easily extended.

LIST OF REFERENCE NUMBERS

10

saddle stitcher

12, 14, 16, 18

Signature feeder

20

collecting chain

20a

link

20b

takeaway

22

finisher

24

stitching heads

26

trimmer

28

display

30

electric motor

32

Control unit trimmer, stapler

34, 36, 38, 40

electric motor

42,43,44

Control unit folded sheet feeder

45, 45 '

Control unit card adhesive

46, 47, 48

Control unit folded sheet feeder

50

Signal and data line, bus

54

singling drums

56

opener drum

58

opener drum

60

takeaway

62

saddle stitcher

B1, B2, B3, B4

signatures

64

Signature feeder

65

cover feeder

65 '

Control unit Cover feeder

66, 68

Signature feeder

70, 72, 74

Signature feeder

75, 75 '

card gluer

76

finisher

78

trimmer

80

display

82

collecting chain

84

stitching line

86

main unit

88,90

In addition to unit

87, 89, 91

control unit

92

fieldbus

104,118,130

electric motor

Claims (21)

A saddle stitcher for making personalized saddle stitched booklets comprising a stitching station (22, 76), at least one fold sheet feeder (12, 14, 16, 18, 64, 66, 68, 70, 72, 74) for feeding unpersonalized folded sheets (B1, B2 , B3, B4), a gathering chain (20, 82) and a drive,
characterized in that along the gathering chain (20, 82) at least two card adhesive (75, 75 ') are arranged, the personalized substrates to the non-personalized folded sheets (B1, B2, B3, B4) stick. A saddle stitcher according to claim 1,
characterized in that the folded sheet feeder individual drive units (88, 90). A saddle stitcher according to claim 2,
characterized in that each individual drive unit (86, 88, 90) has at least one electric motor (30, 34, 36, 38, 40, 104, 118, 130) and a control unit (32, 42, 43, 44, 45, 45 ', 46; 47, 48, 87, 89, 91) and a connection (92) for exchanging data and / or control signals between the control units (32, 42, 43, 44, 45, 46, 47, 48) , 87,89,91). A saddle stitcher according to claim 2 or 3,
characterized in that the individual drive units (86, 88, 90) are each associated with a folded sheet feeder (12, 14, 16, 18, 64, 66, 68, 70, 72, 74) and one card adhesive (75, 75 ') each, and together or individually each of the stitching station (22, 76) and the gathering chain (20, 82). A saddle stitcher according to any one of claims 1 to 4,
characterized in that the folded sheet feeder (64, 66, 68, 70, 72, 74) are formed so that they are selectively rotatable with respect to the gathering chain (20, 82) rotated by 180 °. A saddle stitcher according to any one of claims 1 to 4,
characterized in that the card adhesives are placeable in a first embodiment on one side of the gathering chain and in a second mirrored embodiment on the other side of the gathering chain. A saddle stitcher according to any one of claims 1 to 6,
characterized in that at least one of the folded sheet feeder (12, 14, 16, 64, 66, 68, 70, 72, 74) and / or at least one of the card adhesives (75, 75 ') has a chassis, by means of which the folded sheet feeder (12 , 14, 16, 64, 66, 68, 70, 72, 74) and / or the card adhesives (75, 75 ') are detectable and displaceable. A saddle stitcher according to any one of claims 3 to 7,
characterized in that at least one of the card adhesive (75, 75 ') via the connection (50; 92,) for the exchange of data and / or control signals with the drive of the saddle stitcher (10, 62) is synchronized. A saddle stitcher according to any one of claims 3 to 8,
characterized in that the control unit (45, 45 ') of the single drive unit (86, 88, 90) of at least one of the card adhesives (75, 75') is configured such that the speed of the card adhesive (75, 75 ') changes in speed of the Saddle stitcher (10, 62) is customizable. A saddle stitcher according to any one of claims 3 to 9,
characterized in that the control unit (45) of the individual drive unit (86, 88, 90) of at least one of the card adhesive (75, 75 ') is configured such that the Aufspendeposition the substrates on the signatures (B1, B2, B3, B4) is finely adjusted by a controlled angular displacement. A saddle stitcher according to any one of claims 3 to 10,
characterized in that the control unit (32) of the saddle stitcher (10, 62) has a sequential feeder monitoring, at least one of the card glues (75, 75 ') being included in said sequential feeder monitoring. A saddle stitcher according to any one of claims 1 to 11,
characterized in that the saddle stitcher (10, 62) further comprises a central control unit (100). A saddle stitcher according to claim 12,
characterized in that the central control unit (100) with the control units (32,42,43,44,45, 45 ', 46, 47, 48, 87, 89, 91) of the individual drive units (86, 88, 90) for replacement connected by data and / or control signals. A saddle stitcher according to claim 12,
characterized in that the central control unit (100) of the saddle stitcher (10, 62) controls the card adhesives (75, 75 ') in such a way that all cards glued into a respective booklet are personalized the same. A saddle stitcher according to any one of claims 1 to 14,
characterized in that behind each card adhesive (75, 75 ') is provided a control unit by which the gluing of each personalized substrate is controlled. A saddle stitcher according to claim 15,
characterized in that there is further provided an ejection device, are discharged through the leaflets in which a personalized substrate is missing. Method of producing personalized saddle stitched booklets characterized by the following steps: a) feeding a non-personalized folded sheet over a folded sheet feeder b) placing the opened bow on the saddle chain c) Activation of the card adhesive if a personalized substrate is to be glued into this sheet d) Check if the personalized substrate has been glued e) feeding a further non-personalized sheet on another Falzbogenanleger f) Activate another card adhesive if a personalized substrate is to be glued into this additional sheet g) Check if this additional personalized substrate has been glued in, h) repeating steps e) to g) until the complete personalized brochure has been compiled, i) Saddle stitchers of the personalized brochure. Method according to claim 17
characterized by the additional steps: j) Side trimming of the saddle-stitched brochure. Method according to one of claims 17 to 18
characterized by the additional steps: k) Check if the personalized substrate has actually been glued in every time a personalized substrate is pasted. l) Removing the product if a personalized card is missing. Method according to claim 17
characterized by the additional step: m) Check if only the same personalized substrates have been glued into a brochure. Method according to claim 20
characterized by the additional step: n) Removal of defective products.

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