EP0511574A1 - Buckle folder - Google Patents

Buckle folder Download PDF

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Publication number
EP0511574A1
EP0511574A1 EP19920106812 EP92106812A EP0511574A1 EP 0511574 A1 EP0511574 A1 EP 0511574A1 EP 19920106812 EP19920106812 EP 19920106812 EP 92106812 A EP92106812 A EP 92106812A EP 0511574 A1 EP0511574 A1 EP 0511574A1
Authority
EP
European Patent Office
Prior art keywords
folding
stop
paper
pushing
pocket
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP19920106812
Other languages
German (de)
French (fr)
Inventor
Manfred Fuss
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bauerle Mathias GmbH
Original Assignee
Bauerle Mathias GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority to DE4114105 priority Critical
Priority to DE19914114105 priority patent/DE4114105C2/en
Application filed by Bauerle Mathias GmbH filed Critical Bauerle Mathias GmbH
Publication of EP0511574A1 publication Critical patent/EP0511574A1/en
Withdrawn legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H45/00Folding thin material
    • B65H45/12Folding articles or webs with application of pressure to define or form crease lines
    • B65H45/14Buckling folders
    • B65H45/142Pocket-type folders
    • B65H45/144Pockets or stops therefor

Abstract

Around an upset folding machine with one or more pairs of folding rollers (W1 / W2, W2 / W3, W3 / W4, W4 / W5) forming one folding point (F1 to F4) and one or more folding pockets (T1 , T2), which each have a paper stop (10, 11/1, 12,. 13) that can be adjusted to different lead lengths, can also be used to collect and fold several sheets of paper (1) at the same time, to accommodate several sheets of paper (1) at the same time. designed folding pocket (T2) arranged and designed so that the individual sheets (1) with their entire length automatically run up to the paper stop (11/1) and can remain there, and with a pushing device (3), which with the help of a a presettable sheet counting device (18) or code reading device (24) controlled special drive (31) executes pulse-like lifting movements through which the paper sheets g. collected in this folding pocket (T2) are transported together to the subsequent folding point (F2). <IMAGE>

Description

  • The invention relates to an upset folding machine with one or more pairs of folding rollers each forming a folding point and one or more folding pockets assigned to the individual folding points, each of which has a paper stop which can be adjusted with its stop surface on stop planes which correspond to different lead lengths.
  • While the known edging folding machines of the generic type are generally used for folding individually passing paper sheets, devices for collecting and folding paper sheets are already known, in which several are provided in a collecting station which is provided with an electronic sheet counting device which can be preset to different count values Sheets of paper collected and then together in one with at least a pair of folding rollers and a folding knife provided folding unit.
    Devices of this type are also used, among other things, to fold paper sheets, which are fed individually from a printer, for example, and which contain related information, and then feed them to a further processing station, for example an inserting machine, for further processing.
  • In these known devices, the collecting station is arranged spatially immediately in front of a folding machine, the folding machine usually having a feed device for pulling in the paper sheets collected in the collecting station together. A special feature of such a folding machine is that, in addition to the folding pockets, it has a folding knife or a sword in front of each folding point, by means of which the sheets are deflected together into the respective folding point to form the fold. Folding machines with such folding blades are known, for example, from DE 3840856 A 1 and DE 3830656 C 1.
    A further special feature of the folding machine used in connection with such a collecting station is that at least one folding roller of a pair of folding rollers is radially resiliently mounted relative to the other and / or can be adjusted to different distances, so that different folding gap widths can be set when folding several sheets or multiple sheet layers.
  • But upsetting folding machines of the generic type are also known, the folding rollers of which are provided with an elastic jacket and in which a radial-elastic mounting of the folding rollers can therefore be dispensed with (US Pat. No. 3,788,638). A more precise fold formation can, however, be achieved by simultaneously folding several sheets of paper with radially-elastically mounted folding rollers that can be adjusted to specific gap widths.
  • The invention is based on the object of designing an upset folding machine of the generic type in the simplest possible manner so that it is suitable both as a conventional folding machine for folding individually passing paper sheets and for collecting and jointly folding a plurality of paper sheets.
  • This object is achieved according to the invention in that a folding pocket designed to accommodate several sheets of paper at the same time, which is arranged and designed in such a way that the individual sheets of paper, with their entire length, automatically run up to the paper stop and can remain therein, have a pusher device with With the help of a special drive controlled by a presettable sheet counting device or code reading device, executes impulsive lifting movements by means of which the paper sheets collected in this folding pocket are conveyed together into the subsequent folding point.
  • The term special drive is intended to express that it does not influence a possibly existing adjustment drive with which the paper stop of a folding pocket can be automatically adjusted to certain lead lengths.
  • At the collecting stations of the previously known devices for collecting and folding several sheets of paper, the strands of a plurality of endless conveyor belts or conveyor belts are arranged one above the other and next to one another in a horizontal plane, which convey the individual sheets of paper up to a stop lying in the conveyor path and accordingly over the entire length extend the collection station. In addition, additional funds and / or additional controls are required to feed the collected sheets together from the collecting station into the folding machine, and care must also be taken to ensure that the collected paper sheets can be transported past the stop of the collecting station into the folding machine, either by a lifting of the collected Arch over the stop or by removing the stop from the collecting level can happen.
  • The particular advantage of the solution according to the invention is that the entire mechanics and control device of the collecting station described is dispensed with and that its task is performed by an already existing folding pocket of the folding machine. The thrust device additionally required for the fulfillment of this task can, as will be explained in more detail below, be easily implemented in different ways without requiring additional space. A common requirement for all types of implementation is only such an arrangement, e.g. the inclination provided according to claim 2, the folding pocket serving as a collecting shaft, that the paper sheets to be collected automatically run from a folding or feeding point arranged in front of the folding pocket to the stop surface and remain there in the stop position because the individual sheets of paper, when they hit the stop surface arrive, may no longer be under the influence of a conveyor drive.
  • Probably the simplest and most efficient design of the pusher device according to claim 3, characterized in that it consists of one in the area of Stop surface of the paper stop arranged thrust member, which can be deflected by means of an electromagnetic drive in the outlet direction with respect to the set stop plane.
  • While it is possible to arrange the thrust member and possibly also its drive means completely within the folding pocket, the embodiment according to claim 4 has the advantage that its functional parts are easier to assemble, more accessible and more reliable, the further embodiment according to claim 5 being an additional one Simplification.
  • With all designs it is possible to adjust the paper stop of the folding pocket serving as a collecting shaft to the given sheet lengths or to the lead lengths corresponding to a certain type of folding, so that not only paper sheets of different lengths can be collected but also processed individually with different folding types.
  • A further embodiment of the invention consists in that the pushing device consists of a stop support extending in the longitudinal direction of the folding pocket, on which the paper stop is adjustably fixed for setting different lead lengths and which can be moved in a stroke-like manner from a rest position in the outlet direction by means of an electromagnetic drive. Stroke movements or stroke-like movements are to be understood to mean back and forth movements after which the organ performing them returns to its starting position.
  • The advantage of this embodiment according to claim 6 is that the paper stop itself is very simple and in the usual way, i.e. can be adjustable for manual or automatic adjustment of different lead lengths.
  • A very significant advantage that can be achieved with these two embodiments of the invention corresponding to claims 2 to 6 is that the supply of paper sheets into the upset folding machine can take place continuously, that is to say also does not have to be interrupted, while in the one folding pocket Accumulated sheets of paper just run together through the subsequent folding point. During this time, a new sheet of paper can already run into this folding folder in these embodiments of the pusher.
  • Another implementation possibility according to claim 7 is that the pushing device from a the special drive consists of the upper flat side and can be swiveled into the folding pocket for a short time, rotatingly driven drive element.
  • This variant also has an advantage, namely that in a conventionally equipped upset folding machine, the existing paper stop can remain unchanged, which is particularly important if it is a paper stop that is automatically adjustable by means of a microprocessor.
    As can be seen from the embodiment according to claim 8, this embodiment of the invention can also be easily implemented, at the same time ensuring in the simplest way that the drive roller is driven at the peripheral speed of the folding rollers.
  • An additional advantage of all embodiments of the invention is that the folding pocket equipped with the pusher can also be used for turning individual sheets of paper.
  • Exemplary embodiments of the invention are explained in more detail below with reference to the drawing. The drawing shows:
  • Fig. 1
    in a schematically simplified representation, an upset folding machine with four pairs of folding rollers, four fold points and four fold pockets in side view;
    Fig. 2
    a folding pocket with another pushing device in a simplified side view;
    Fig. 3
    1 with a further pushing device and
    Fig. 4
    a simplified block diagram.
  • The upset folding machine shown has a total of one feed roller E1 and five folding rollers W1, W2, W3 W4 and W5, each of which form a feed point E and four fold points F1, F2, F3 and F4 in pairs. While the feed roller E1 is mounted in rigid roller bearings, the folding rollers W1 to W5 are each radially resilient with respect to the adjacent feed roller E1 or folding roller W1 to W4, with which they form the feed point E or the fold points F1 to F4 / or adjustable to different gap widths.
  • The arrangement of the feed roller E1 and the folding rollers W1 to W5 is such that their axes A, A1, A2, A3, A4 and A5 each lie in the corners of a right-angled, isosceles triangle and that the axes A and A1, A2 and A3 and A4 and A5 each lie in vertical planes V1, V2 and V3, respectively, while the pairings A1 and A2 or A3 and A4 each lie in horizontal planes H1 or H2.
  • The edging folding machine also has four folding pockets T1, T2, T3 and T4 assigned to the individual folding points F1 to F4 in the usual way, each of which forms an inclination angle α of approximately 45 ° with the horizontal planes H1 and H2, and each with individually different lead lengths adjustable paper stops 10, 11, 12 and 13 are provided. From this angle of inclination α it follows that the two folding pockets T1 and T3 each run obliquely upwards in the direction of entry, while the two other folding pockets T2 and T4 are inclined downwards in the direction of entry of arrow 2, so that those coming from the folding points F1 and F3 Paper sheets 1 also run completely into the folding pockets T2 or T3 when their paper stops 11 or 13 are set to a lead length that is greater than the longitudinal format of these paper sheets 1. This means that these folding pockets T2, which are inclined downward in the direction of entry and T3 are readily suitable for collecting multiple sheets of paper by setting their paper stops to a lead length that is greater than the longitudinal format of the incoming sheets of paper 1. In order to be able to fold collected sheets of paper 1 as well, it is expedient and so also provided the second Folding pocket T2 to be used as a collecting pocket for collecting paper sheets.
    The inclination of this folding pocket T2, that is to say the angle of inclination α, must be selected such that the paper sheets 1 coming from the folding point F1 run with certainty automatically against the paper stop 11 (FIG. 3) and remain in contact therewith. The angle of inclination α does not necessarily have to be 45 °, it can also be chosen smaller under certain circumstances.
    If the conveying speed is sufficiently high, it is possible to keep the inclination of the folding pocket F2 very low, ie to make the angle α small. However, a higher working precision is achieved with a greater inclination of the folding pocket F2 insofar as a rebound of the folding material striking the paper stop 11 at high speed can thereby be avoided better than with a flatter arrangement.
  • The folding pockets T1 to T4 each consist of upper and lower, rod-shaped guide elements 16 and 17, which are joined together in a grid-like manner and avoid surface contact with the folded material.
  • At least the folding pocket T1 is provided on the inlet side with an arc switch 14, which emerges from a deflection position shown in solid lines in the drawing a rest position shown in dash-dotted lines is pivotable, in which it releases the folding pocket T1. In the illustrated deflection position of the sheet switch 14, the paper sheets 1 arriving from the feed point E are passed directly past the first folding pocket T1 into the first folding point F1, from where they then enter the second folding pocket T2.
    As a rule, the other folding pockets are also provided with such curved switches.
  • The paper stops 10 to 13 can be adjusted manually or by means of an electronically controlled adjusting device in a manner known per se to different format lengths or different lead lengths for different types of folds.
  • In the embodiment of FIG. 3, which has a special pushing device 5 arranged at a distance from the paper stop 11, the paper stop 11 of the second folding pocket T2 used as a collecting shaft is also designed in the usual way, that is to say like the paper stops 10, 12 and 13 the other folding pockets T1, T3 and T4. 1 and 2, on the other hand, paper stops 11/1 and 11/2 are provided, which are themselves part of a pushing device 3 and 4, respectively.
  • These pushing devices 3, 4 and 5 are required in order to convey paper sheets which have run into the folding pocket T2 with their entire format length and in this position can no longer be gripped by the folding rollers W2 and W3, into the subsequent folding point F2.
  • In order to be able to collect a certain number of sheets of paper 1 in the folding pocket F2, an electronic sheet counting device 18 is provided, which consists of a reflex light scanner 20 arranged in the area of the inlet opening 19 of this folding pocket T2 and a presettable coincidence counter with a value display device 21 and input device 22 consists. The coincidence counter is integrated in a microprocessor MP and can be set to the desired number of paper sheets to be collected in the folding pocket T2. When the preset number of sheets is reached in the folding pocket F2, it generates a trigger pulse for actuating the pushing device 3, 4 or 5.
    Instead of the sheet counting device 18 or in addition thereto, a code reading device 24 can be arranged in an inlet path 23 arranged in front of the intake point E, which is able to read a code marking identifying the last paper sheet of the quantity to be collected and then the actuation command trigger for the pushing device 3, 4 or 5.
  • In the embodiment shown in Fig. 1, the paper stop 11/1 consists of a pivot lever 25 which protrudes vertically into the folding pocket T2 from the upper flat side. Its front side forms the abutment surface 26 against which the paper sheets 1 which have entered the folding pocket 2 from the folding point F1 rest. The pivot lever 25 is attached to a shaft 27 which is rotatably mounted in an angular stop bracket 28 and is articulated via a lever 29 to the tie rod 30 of an electromagnet 31. This tie rod 30 is under the influence of a return spring 33 which partially surrounds it and is supported on a locking washer 32, by means of which the pivot lever 25 is held in its rest position or stop plane 34 perpendicular to the folding pocket T2. The electromagnet 31 is rigidly connected to the stop support 28 by means of a support 35 and, together with this, can be adjusted manually or automatically along the folding pocket T2 to different lead lengths, which can correspond to different format lengths of the folded material or different types of folds.
    If, as shown in FIG. 1, the stop support 28 is set to a lead length which is a few millimeters longer than the format length of the incoming paper sheets 1, then in the folding pocket T2 a plurality of sheets of paper 1 are collected, the number of which can either be predetermined manually using the sheet counter 18 or is determined by a code marking which is arranged on the last sheet of paper of a number of sheets of paper to be collected and which is read by the code reader 24 Triggering an excitation pulse for the electromagnet 31 is read. The excitation of the electromagnet 31 causes the pivoting lever 25 to pivot about the axis of the shaft 27 in the counterclockwise direction of rotation, by means of which the paper sheets 1 lying in the folding pocket T2 are moved together in the outlet direction and thereby pushed into the folding point F2. There they are then gripped by the folding rollers W2 and W3 and, depending on the setting of the folding pockets T3 and T4, are folded or conveyed through the other folding points F3 and F4 without being folded.
  • Since the deflection movement of the pivot lever 25 in a stroke-like manner, that is to say for a short time and very quickly returns to its rest position or to the stop plane 34, a new sheet of paper can already run from the folding point F1 into the folding pocket T2, while the previously collected paper sheets 1 from the Folding pocket T2 can be pulled out. There is therefore no need to interrupt the supply of paper sheets after completing a collection process.
  • In FIG. 2, only the folding pocket T2 with another pushing device 4 is shown on a somewhat enlarged scale, which, however, can easily be substituted for the folding pocket T2 with the shoeing device 3 shown in FIG. In this pushing device 4 shown in FIG. 2, a paper stop 11/2 projecting vertically into the folding pocket T2 and designed as a transverse rail is provided, which is detachably fastened on a stop carrier 38 by means of a clamping screw 37. This stop support consists of a rod 41 axially displaceably mounted in two bearing blocks 39 and 40, which rests with an annular collar 42 in its rest position on the bearing block 39 and is under the influence of a return spring 43, which rests on the one hand on the bearing block 40 and on the other hand on a locking washer 44 and concentrically encloses the rod 41 in this area.
  • The rod 41 is connected to the thrust armature 45 of an electromagnet 46, which is controlled in a manner analogous to the control of the electromagnet 31 by the sheet counting device 18 or by the code reader 24, so that it also executes a brief stroke movement, by which paper sheets 1 collected in the folding pocket T2 are conveyed together into the folding point F2.
  • The rod 41 always makes the same short stroke movements together with the stop 11/2 fixed thereon. The stop 11/2 can, however, be fixed with the help of the clamping screw 37 between the collar 42 and the locking washer 44 in any position on the rod 41, that is to say it can be set to any lead length.
  • In the embodiment of FIG. 3, the paper stop 11 of the folding pocket T2, which is used as a collecting pocket, is of the same design as the paper stops 10, 12 and 13 of the folding pockets T1, T3 and T4 and it can be used in the same way at different lead lengths set, as is the case with conventional edging machines, which can be done manually or automatically with the help of a microprocessor.
    Provided as a pushing device 5 is a drive roller 50 which can be swiveled into the folding pocket T2 from the upper flat side in the region of the inlet opening 19 and which is designed as a friction roller and has a frictional connection with the folding roller W1 and which is rotatably mounted on one arm 51 of a two-armed pivot lever 52. The swivel lever 52 is in turn pivotally mounted coaxially to the axis A1 of the folding roller W1 and stands with its tie rod 30 via its second longer lever arm 53 Electromagnet 31 articulated in connection, which is held in its rest position shown in FIG. 3 by a return spring 47 designed as a tension spring.
  • When the electromagnet 31 receives the stroke pulse triggered either by the sheet separating device 18 or by the code reader 24, the drive roller 50 rotating at the same peripheral speed as the folding rollers W1 to W5 is pivoted into the folding pocket T2 from the upper flat side, so that the in this folding pocket T2 lying sheet of paper is grasped by it and transported to the folding point F2. Briefly pressing the transport roller 50 onto the paper stack in the folding pocket T2 is sufficient to trigger the desired effect.
  • In addition to the described embodiments 3, 4 and 5 of the pusher device, there are other design options, including e.g. one in which an electromagnetically actuated thrust member is arranged within the folding pocket in the region of the stop surface and is movable relative to the paper stop which is fixed per se and forms the stop surface. Such a thrust member could be designed, for example, as a slide or swivel lever which can be swiveled about an axis running at right angles to the plane of the folding pocket.

Claims (8)

  1. Upsetting folding machine with one or more pairs of folding rollers each forming a folding point and one or more folding pockets assigned to the individual folding points, each of which has a paper stop which can be adjusted with its stop surface on stop planes which correspond to different lead lengths
    characterized,
    that a folding pocket (T2) designed to accommodate several sheets of paper (1) at the same time, which is arranged and designed so that the individual sheets (1) automatically run with their entire length up to the paper stop (11, 11/1, 11/2) and can remain in it, has a pushing device (3, 4, 5) which executes impulse-like lifting movements with the aid of a special drive (31, 46) controlled by a presettable sheet counting device (18) or code reading device (24), through which the paper sheets collected in this folding pocket (T2) are conveyed together to the subsequent folding point (F2).
  2. Compression folding machine according to claim 1, characterized in that the folding pocket (T2) provided with the pushing device (3, 4, 5) in the direction of entry (arrow 2) with respect to the horizontal (H1, H2) by an inclination angle (α) of at least 30 ° is inclined down.
  3. Upsizing machine according to claim 1 or 2, characterized in that the pushing device consists of a pushing element which is arranged in the area of the stop face of the paper stop and which can be deflected in the outlet direction by means of an electromagnetic drive in relation to the set stop plane (34).
  4. Compression folding machine according to one of claims 1 to 3, characterized in that the pushing device consists of a swivel lever (25) which projects in the area of the stop surface from one of the two flat sides into the folding pocket (T2) and on a stop support (adjustable to the respective lead length) 28) pivotally mounted and by means of a electromagnetic drive (31) can be actuated independently of an actuating device which determines the respective lead length.
  5. Upsizing machine according to claim 4, characterized in that the pivot lever (25) itself forms the stop surface (26) in its rest position
  6. Compression folding machine according to claim 1 or 2, characterized in that the pushing device consists of a stop support (38) extending in the longitudinal direction of the folding pocket (T2), on which the paper stop (11/2) is adjustably fixed for setting different lead lengths and which is adjustable by means of a electromagnetic drive (46) is movable in a stroke-like manner from a rest position in the outlet direction.
  7. Upsizing machine according to claim 1 or 2, characterized in that the pushing device consists of a rotatingly driven drive member (50) which can be briefly pivoted into the folding pocket (T2) from the upper flat side by the special drive (31) in a stroke-like manner.
  8. Upsizing machine according to claim 7, characterized in that the drive member consists of a drive roller (50) which is mounted on an electromagnetically actuated pivoting lever (52) and which is in frictional connection with a folding roller (W1) arranged above the folding pocket inlet (19), to the axis thereof (A1) the swivel lever (52) is in turn mounted coaxially.
EP19920106812 1991-04-30 1992-04-21 Buckle folder Withdrawn EP0511574A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE4114105 1991-04-30
DE19914114105 DE4114105C2 (en) 1991-04-30 1991-04-30 Upsize folding machine

Publications (1)

Publication Number Publication Date
EP0511574A1 true EP0511574A1 (en) 1992-11-04

Family

ID=6430682

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19920106812 Withdrawn EP0511574A1 (en) 1991-04-30 1992-04-21 Buckle folder

Country Status (4)

Country Link
US (1) US5246415A (en)
EP (1) EP0511574A1 (en)
JP (1) JPH05246617A (en)
DE (1) DE4114105C2 (en)

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EP0844205A1 (en) * 1996-11-26 1998-05-27 Grapha-Holding Ag Folding apparatus for paper sheets
EP1925579A1 (en) * 2006-11-23 2008-05-28 Heidelberger Druckmaschinen Aktiengesellschaft Blade folding machine with upstream folding device and method for folding printed sheets
DE102011018859A1 (en) * 2011-04-28 2012-10-31 Heidelberger Druckmaschinen Aktiengesellschaft Folding machine with transport device
WO2015197041A3 (en) * 2014-06-24 2016-03-24 Faubel & Co Nachfolger Gmbh Method for producing a folded product, and corresponding folded product
EP3118147A1 (en) 2015-07-16 2017-01-18 Heidelberger Druckmaschinen AG Buckling folder and sheet folding machine with such a buckling folder
DE102015213336A1 (en) 2015-07-16 2017-01-19 Heidelberger Druckmaschinen Ag Pocket folder and Bogenfalzmaschine with such a pocket folder

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US6042528A (en) * 1998-03-25 2000-03-28 Datacard Corporation Apparatus for buffering, turning over, folding and orientating forms
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DE19860070A1 (en) * 1998-12-23 2000-06-29 Stahl Gmbh & Co Maschf Pocket folder and method for register control of a pocket folder
US7059532B2 (en) * 2003-01-09 2006-06-13 Datacard Corporation System and method for storing and synchronizing forms between printer and device for attaching personalized cards by creating shingled stacks
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US6899664B2 (en) * 2003-09-24 2005-05-31 Gregory R. Gale Device for returning folded paper and folding apparatus including same
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DE102008048286A1 (en) 2008-09-22 2010-03-25 Heidelberger Druckmaschinen Ag Method and device for folding sheets
DE102011010515A1 (en) * 2011-02-07 2012-08-09 Heidelberger Druckmaschinen Ag Folding machine with a device for folding edge trimming and method for folding sheets
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EP0844205A1 (en) * 1996-11-26 1998-05-27 Grapha-Holding Ag Folding apparatus for paper sheets
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DE102006055301A1 (en) * 2006-11-23 2008-05-29 Heidelberger Druckmaschinen Ag Sword folding machine with a pocket folder located upstream and method for folding sheets from flat printing material
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WO2015197041A3 (en) * 2014-06-24 2016-03-24 Faubel & Co Nachfolger Gmbh Method for producing a folded product, and corresponding folded product
EP3118147A1 (en) 2015-07-16 2017-01-18 Heidelberger Druckmaschinen AG Buckling folder and sheet folding machine with such a buckling folder
DE102015213334A1 (en) 2015-07-16 2017-01-19 Heidelberger Druckmaschinen Ag Pocket folder and Bogenfalzmaschine with such a pocket folder
DE102015213336A1 (en) 2015-07-16 2017-01-19 Heidelberger Druckmaschinen Ag Pocket folder and Bogenfalzmaschine with such a pocket folder

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DE4114105A1 (en) 1992-11-05
JPH05246617A (en) 1993-09-24
US5246415A (en) 1993-09-21

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