EP1803674A1 - Folding machine with fixed folding blade - Google Patents

Folding machine with fixed folding blade Download PDF

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Publication number
EP1803674A1
EP1803674A1 EP06025717A EP06025717A EP1803674A1 EP 1803674 A1 EP1803674 A1 EP 1803674A1 EP 06025717 A EP06025717 A EP 06025717A EP 06025717 A EP06025717 A EP 06025717A EP 1803674 A1 EP1803674 A1 EP 1803674A1
Authority
EP
European Patent Office
Prior art keywords
folding
sheet
blade
rollers
running direction
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.)
Granted
Application number
EP06025717A
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German (de)
French (fr)
Other versions
EP1803674B1 (en
Inventor
Claus-Dieter Redmer
Eberhard Krieger
Hagen Wetzel
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.)
MBO Postpress Solutions GmbH
Original Assignee
Maschinenbau Oppenweiler Binder GmbH and Co KG
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
Application filed by Maschinenbau Oppenweiler Binder GmbH and Co KG filed Critical Maschinenbau Oppenweiler Binder GmbH and Co KG
Publication of EP1803674A1 publication Critical patent/EP1803674A1/en
Application granted granted Critical
Publication of EP1803674B1 publication Critical patent/EP1803674B1/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H45/00—Folding thin material
    • B65H45/12—Folding articles or webs with application of pressure to define or form crease lines
    • B65H45/30—Folding in combination with creasing, smoothing or application of adhesive
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H45/00—Folding thin material
    • B65H45/12—Folding articles or webs with application of pressure to define or form crease lines
    • B65H45/22—Longitudinal folders, i.e. for folding moving sheet material parallel to the direction of movement

Definitions

  • the invention relates to a folding device with the features of the preamble of claim 1.
  • the known folding device 1 comprises a sheet transport device 12 (FIG. 2) through which sheets 2a, 2b are moved in the sheet running direction BL under a folding blade 5 extending in the sheet running direction, which has a folding blade 3 at its side facing the sheet running plane BE, which has an upper strand 10 a in the sheet running direction BL extending conveyor belt of the sheet transport device 12 is facing.
  • the distance of the lower end of the folding blade 3 to the upper run 10 of the conveyor belt is set so that a fold line extending in the sheet pass is formed in the sheets 2 a, 2 b when the sheet is transported in the sheet running direction under the folding blade 5.
  • For guiding the sheet 2a, 2b along the folding blade 5 on both sides of the folding blade transport rollers 4 are provided, which touch the top of a sheet 2a, 2b.
  • the sheets 2a, 2b are folded in a hopper folding device 6 with hopper plates 8, 9 upwards around the fold line formed, wherein at the exit of Trichterfalz enabled 6 a pair of press rollers 7 is provided, through which the folded edge of a folded by the Trichterfalz coupled 6 Arc 2c is performed to form the folded edge exactly.
  • the printing ink or the toner may be smeared during the formation of the fold line because the sheet slides along the hemming blade 3.
  • the invention has for its object to provide a folding device with structurally simple means in which it is ensured that the formation of the fold line by the folding blade takes place without smearing.
  • the formation of the fold line in the sheet is carried out by the rotatably mounted folding rollers, which rotate during the execution of the sheet under the folding blade by the contact with the sheet, which is why the peripheral speed of the folding rollers corresponds to the sheet passage speed. This ensures that there are no greases of the printing ink or the toner in the case of freshly printed or digitally printed sheets.
  • the sheet transport device preferably comprises a circulating conveyor belt whose upper run faces the folding rollers. This ensures that the sheet is well supported in the area opposite the folding rollers to allow a uniform fold line.
  • the guidance of the sheet can be improved if the sheet transport device comprises transport rollers arranged on both sides of the folding blade.
  • a hopper folding device is expediently arranged downstream of the folding blade in the sheet running direction.
  • the folding device 20 shown in FIGS. 3 to 5 comprises a sheet conveying device 52, which comprises at least one endless circulating conveyor belt 38, of which the upper run 39 is shown in FIGS. 4 and 5.
  • a folding blade 26 in the longitudinal direction of the conveyor belt 38, i. arranged in sheet travel direction BL.
  • the folding blade 26 comprises a parallel to the sheet running plane BE extending, frame-fixed sword bar 40, in the lower edge of a downwardly open recess 52 is formed with a rectangular cross-section.
  • a plurality of folding rollers 30 are accommodated, which is rotatably mounted on a respective transverse to the skirting board 40 and the recess 52 extending bearing pin 46 by means of a deep groove ball bearing 48 about a rotation axis 50.
  • the right in Figure 5 end of the bearing pin 46 is fixed by a bearing bush 44.
  • the cross-section of the folding rollers 30 decreases and ends in a point 51 whose contour corresponds to the contour of the cross section of a desired fold line.
  • a multiplicity of corresponding folding rollers 30 are arranged one after the other in the longitudinal direction of the folding blade 26.
  • transport rollers 32 for guiding a sheet 22 during a pass under the folding blade 26 is provided.
  • the downstream end of the folding blade 26 in the sheet running direction BL terminates between two hopper plates 33, 35 of a hopper-folding device 34.
  • a pair of press rollers 36 are arranged at the outlet of the hopper-folding device 34.
  • the folding device 20 is particularly suitable for the folding of fresh-printed or digitally printed sheets, which are then collected on the folding device 20 with the fold open one above the other in a collecting device.
  • the folded sheets 22a, 22b are guided by means of the sheet transport device 52 in the sheet running direction BL under the folding blade 26.
  • the distance between the outer periphery of the folding rollers 30 and the upper run 39 of the conveyor belt 38 is such that a fold line with a desired depth through the tip 51 of the folding rollers 30 in the sheet 22a through the folding rollers 30 during the passage of the sheet 22a, 22b, 22b is formed.
  • the peripheral speed of the hemming rollers 30 corresponds to the sheet running speed during the passage of the sheets 22a, 22b, so that there is no relative speed difference which could lead to a greasing of printing ink or toner on the sheets 22a, 22b.
  • the two sides of the sheet 22 tend by the formation of the fold line to move with respect to the folding blade 26 upwards.
  • the sheets 22a, 22b enter between the hopper plates 33, 35 of the hopper folding device 34 and are folded by this around the fold line upwards.
  • press roller means 36 By provided at the exit of the hopper folding device 34 press roller means 36, a pressure on the formed fold edge is formed, whereby this is formed more accurately.
  • the folded sheet 24 folded through the hopper-folding device 34 is then fed to a collecting device.

Landscapes

  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)

Abstract

Device for folding paper sheets (22) comprises a sheet conveyor and a folding sword (26) with a series of folding rollers (30) that are arranged one after another in the machine direction and rotate about an axis (50) perpendicular to the machine direction.

Description

Die Erfindung betrifft eine Falzvorrichtung mit den Merkmalen des Oberbegriffs des Patentanspruchs 1.The invention relates to a folding device with the features of the preamble of claim 1.

Eine solche bekannte Falzvorrichtung ist in den Figuren 1 und 2 gezeigt. Die bekannte Falzvorrichtung 1 umfasst eine Bogentransportvorrichtung 12 (Figur 2) durch die Bogen 2a, 2b in Bogenlaufrichtung BL unter ein sich in Bogenlaufrichtung erstreckendes Falzschwert 5 bewegt werden, das an seiner der Bogenlaufebene BE zugewandten Seite eine Falzklinge 3 aufweist, die einem oberen Trum 10 eines sich in Bogenlaufrichtung BL erstreckenden Transportbandes der Bogentransportvorrichtung 12 zugewandt ist. Der Abstand des unteren Endes der Falzklinge 3 zu dem oberen Trum 10 des Transportbandes ist so eingestellt, dass in den Bogen 2a, 2b eine sich im Bogenlauf erstreckende Falzlinie ausgebildet wird, wenn der Bogen in Bogenlaufrichtung unter dem Falzschwert 5 transportiert wird. Zur Führung des Bogens 2a, 2b entlang des Falzschwertes 5 sind beidseitg des Falzschwertes Transportrollen 4 vorgesehen, die die Oberseite eines Bogens 2a, 2b berühren.Such a known folding device is shown in Figures 1 and 2. The known folding device 1 comprises a sheet transport device 12 (FIG. 2) through which sheets 2a, 2b are moved in the sheet running direction BL under a folding blade 5 extending in the sheet running direction, which has a folding blade 3 at its side facing the sheet running plane BE, which has an upper strand 10 a in the sheet running direction BL extending conveyor belt of the sheet transport device 12 is facing. The distance of the lower end of the folding blade 3 to the upper run 10 of the conveyor belt is set so that a fold line extending in the sheet pass is formed in the sheets 2 a, 2 b when the sheet is transported in the sheet running direction under the folding blade 5. For guiding the sheet 2a, 2b along the folding blade 5 on both sides of the folding blade transport rollers 4 are provided, which touch the top of a sheet 2a, 2b.

Nach Durchlauf des Falzschwertes 5 werden die Bogen 2a, 2b in einer Trichterfalzeinrichtung 6 mit Trichterblechen 8, 9 nach oben um die ausgebildete Falzlinie gefalzt, wobei am Ausgang der Trichterfalzeinrichtung 6 ein Pressrollenpaar 7 vorgesehen ist, durch das die Falzkante eines durch die Trichterfalzeinrichtung 6 gefalzten Bogens 2c geführt wird, um die Falzkante exakt auszubilden.After passing through the folding blade 5, the sheets 2a, 2b are folded in a hopper folding device 6 with hopper plates 8, 9 upwards around the fold line formed, wherein at the exit of Trichterfalzeinrichtung 6 a pair of press rollers 7 is provided, through which the folded edge of a folded by the Trichterfalzeinrichtung 6 Arc 2c is performed to form the folded edge exactly.

Wenn der Falzvorrichtung 1 druckfrische oder digital bedruckte Bogen zugeführt werden, kann es bei der Formung der Falzlinie zu einer Abschmierung der Druckfarbe oder des Toners kommen, weil der Bogen entlang der Falzklinge 3 gleitet.When the hemming apparatus 1 is supplied with freshly printed or digitally printed sheets, the printing ink or the toner may be smeared during the formation of the fold line because the sheet slides along the hemming blade 3.

Der Erfindung liegt die Aufgabe zugrunde, mit konstruktiv einfachen Mitteln eine Falzvorrichtung zu schaffen, bei der gewährleistet ist, dass die Ausbildung der Falzlinie durch das Falzschwert abschmierfrei erfolgt.The invention has for its object to provide a folding device with structurally simple means in which it is ensured that the formation of the fold line by the folding blade takes place without smearing.

Diese Aufgabe wird erfindungsgemäß durch eine Falzvorrichtung mit den Merkmalen des Patentanspruchs 1 gelöst. Vorteilhafte Weiterbildungen der erfindungsgemäßen Falzvorrichtung sind Gegenstand der Patentansprüche 2 bis 4.This object is achieved by a folding device with the features of claim 1. Advantageous developments of the folding device according to the invention are the subject of claims 2 to 4.

Bei der erfindungsgemäßen Falzvorrichtung erfolgt die Ausbildung der Falzlinie in den Bogen durch die drehbar gelagerten Falzrollen, die sich während der Durchführung der Bogen unter dem Falzschwert durch die Berührung mit den Bogen drehen, weshalb die Umfangsgeschwindigkeit der Falzrollen der Bogendurchlaufgeschwindigkeit entspricht. Hierdurch wird gewährleistet, dass es zu keinen Abschmierungen der Druckfarbe oder des Toners bei druckfrischen oder digital bedruckten Bogen kommt.In the folding device according to the invention, the formation of the fold line in the sheet is carried out by the rotatably mounted folding rollers, which rotate during the execution of the sheet under the folding blade by the contact with the sheet, which is why the peripheral speed of the folding rollers corresponds to the sheet passage speed. This ensures that there are no greases of the printing ink or the toner in the case of freshly printed or digitally printed sheets.

Die Bogentransportvorrichtung umfasst vorzugsweise ein umlaufendes Transportband, dessen oberes Trum den Falzrollen gegenüberliegt. Hierdurch wird gewährleistet, dass der Bogen in dem den Falzrollen gegenüberliegenden Bereich gut abgestützt wird, um eine gleichmäßige Falzlinie zu ermöglichen.The sheet transport device preferably comprises a circulating conveyor belt whose upper run faces the folding rollers. This ensures that the sheet is well supported in the area opposite the folding rollers to allow a uniform fold line.

Die Führung des Bogens kann verbessert werden, wenn die Bogentransportvorrichtung zu beiden Seiten des Falzschwertes angeordnete Transportrollen umfasst.The guidance of the sheet can be improved if the sheet transport device comprises transport rollers arranged on both sides of the folding blade.

Wenn anschließend an die Falzvorrichtung gefalzte, digital bedruckte Bogen übereinander gesammelt werden sollen, ist dies nur mit einem geöffneten Falz möglich. Hierzu wird zweckmäßigerweise eine Trichterfalzeinrichtung dem Falzschwert in Bogenlaufrichtung nachgeordnet.If subsequently folded, digitally printed sheets are to be stacked on the folding device, this is only possible with an open fold. For this purpose, a hopper folding device is expediently arranged downstream of the folding blade in the sheet running direction.

Ein Ausführungsbeispiel der Erfindung wird nachstehend anhand von Zeichnungen näher erläutert. Es zeigen:

Figur 1
schematisch eine perspektivische Ansicht einer bekannten Falzvorrichtung,
Figur 2
einen Querschnitt durch die Falzvorrichtung von Figur 1 im Bereich eines Falzschwertes,
Figur 3
eine perspektivische Ansicht einer erfindungsgemäßen Falzvorrichtung,
Figur 4
einen Querschnitt der Falzvorrichtung von Figur 3 im Bereich eines Falzschwertes,
Figur 5
den Querschnitt durch das Falzschwert im vergrößerten Maßstab.
An embodiment of the invention will be explained below with reference to drawings. Show it:
FIG. 1
schematically a perspective view of a known folding device,
FIG. 2
a cross section through the folding device of Figure 1 in the region of a folding blade,
FIG. 3
a perspective view of a folding device according to the invention,
FIG. 4
3 shows a cross section of the folding device of FIG. 3 in the region of a folding blade, FIG.
FIG. 5
the cross section through the folding blade in an enlarged scale.

Die in den Figuren 3 bis 5 gezeigte Falzvorrichtung 20 umfasst eine Bogentransportvorrichtung 52, die wenigstens ein endloses umlaufendes Transportband 38 umfasst, von dem in den Figuren 4 und 5 das obere Trum 39 gezeigt ist. Oberhalb des oberen Trums 39 ist ein Falzschwert 26 in Längsrichtung des Transportbandes 38, d.h. in Bogenlaufrichtung BL angeordnet. Das Falzschwert 26 umfasst eine sich parallel zur Bogenlaufebene BE erstreckende, gestellfeste Schwertleiste 40, in deren unteren Rand eine nach unten offene Aussparung 52 mit rechteckigem Querschnitt ausgebildet ist. In der Aussparung 52 sind eine Vielzahl von Falzrollen 30 aufgenommen, die jeweils auf einem sich quer durch die Schwertleiste 40 und die Aussparung 52 erstreckenden Lagerbolzen 46 mittels eines Rillenkugellagers 48 um eine Drehachse 50 drehbar gelagert ist. Das in Figur 5 rechte Ende des Lagerbolzens 46 ist durch eine Lagerbuchse 44 befestigt.The folding device 20 shown in FIGS. 3 to 5 comprises a sheet conveying device 52, which comprises at least one endless circulating conveyor belt 38, of which the upper run 39 is shown in FIGS. 4 and 5. Above the upper run 39 is a folding blade 26 in the longitudinal direction of the conveyor belt 38, i. arranged in sheet travel direction BL. The folding blade 26 comprises a parallel to the sheet running plane BE extending, frame-fixed sword bar 40, in the lower edge of a downwardly open recess 52 is formed with a rectangular cross-section. In the recess 52, a plurality of folding rollers 30 are accommodated, which is rotatably mounted on a respective transverse to the skirting board 40 and the recess 52 extending bearing pin 46 by means of a deep groove ball bearing 48 about a rotation axis 50. The right in Figure 5 end of the bearing pin 46 is fixed by a bearing bush 44.

Zum Außenumfang hin vermindert sich der Querschnitt der Falzrollen 30 und endet in einer Spitze 51, deren Kontur der Kontur des Querschnitts einer gewünschten Falzlinie entspricht.Towards the outer periphery, the cross-section of the folding rollers 30 decreases and ends in a point 51 whose contour corresponds to the contour of the cross section of a desired fold line.

Wie es in Figur 3 erkennbar ist, sind in Längsrichtung des Falzschwertes 26 eine Vielzahl von entsprechenden Falzrollen 30 nacheinander angeordnet. Beidseitig des Falzschwertes 26 sind darüber hinaus Transportrollen 32 zur Führung eines Bogens 22 während eines Durchlaufs unter dem Falzschwert 26 vorgesehen.As can be seen in FIG. 3, a multiplicity of corresponding folding rollers 30 are arranged one after the other in the longitudinal direction of the folding blade 26. On both sides of the folding blade 26 are also transport rollers 32 for guiding a sheet 22 during a pass under the folding blade 26 is provided.

Das in Bogenlaufrichtung BL stromabwärtige Ende des Falzschwerts 26 endet zwischen zwei Trichterblechen 33, 35 einer Trichterfalzeinrichtung 34. Am Ausgang der Trichterfalzeinrichtung 34 ist ein Pressrollenpaar 36 angeordnet.The downstream end of the folding blade 26 in the sheet running direction BL terminates between two hopper plates 33, 35 of a hopper-folding device 34. At the outlet of the hopper-folding device 34, a pair of press rollers 36 are arranged.

Die erfindungsgemäße Falzvorrichtung 20 ist insbesondere zur Falzung von druckfrischen oder digital bedruckten Bogen geeignet, die anschließend an die Falzvorrichtung 20 mit geöffnetem Falz übereinander in einer Sammeleinrichtung zusammengetragen werden. Die Falzbogen 22a, 22b werden mittels der Bogentransportvorrichtung 52 in Bogenlaufrichtung BL unter das Falzschwert 26 geführt. Der Abstand zwischen dem Außenumfang der Falzrollen 30 und dem oberen Trum 39 des Transportbandes 38 ist so bemessen, dass durch die Falzrollen 30 beim Durchlauf des Bogens 22a, 22b eine Falzlinie mit einer gewünschten Tiefe durch die Spitze 51 der Falzrollen 30 in dem Bogen 22a, 22b ausgebildet wird. Die Umfangsgeschwindigkeit der Falzrollen 30 entspricht beim Durchlauf der Bogen 22a, 22b der Bogenlaufgeschwindigkeit, so dass kein relativer Geschwindigkeitsunterschied besteht, der zu einer Abschmierung von Druckfarbe oder Toner auf den Bogen 22a, 22b führen könnte.The folding device 20 according to the invention is particularly suitable for the folding of fresh-printed or digitally printed sheets, which are then collected on the folding device 20 with the fold open one above the other in a collecting device. The folded sheets 22a, 22b are guided by means of the sheet transport device 52 in the sheet running direction BL under the folding blade 26. The distance between the outer periphery of the folding rollers 30 and the upper run 39 of the conveyor belt 38 is such that a fold line with a desired depth through the tip 51 of the folding rollers 30 in the sheet 22a through the folding rollers 30 during the passage of the sheet 22a, 22b, 22b is formed. The peripheral speed of the hemming rollers 30 corresponds to the sheet running speed during the passage of the sheets 22a, 22b, so that there is no relative speed difference which could lead to a greasing of printing ink or toner on the sheets 22a, 22b.

Wie es in Figur 5 durch die beiden Pfeile angedeutet ist, tendieren die beiden Seiten des Bogens 22 durch die Ausbildung der Falzlinie dazu, sich bezüglich des Falzschwertes 26 nach oben zu bewegen. Nach Verlassen des Falzschwertes 26 treten die Bogen 22a, 22b zwischen die Trichterbleche 33, 35 der Trichterfalzeinrichtung 34 ein und werden durch diese um die Falzlinie nach oben gefalzt. Durch die am Ausgang der Trichterfalzeinrichtung 34 vorgesehene Pressrolleneinrichtung 36 wird ein Druck auf die gebildete Falzkante ausgebildet, wodurch diese exakter geformt wird. Der durch die Trichterfalzeinrichtung 34 gefalzte Falzbogen 24 wird anschließend einer Sammeleinrichtung zugeführt.As indicated in Figure 5 by the two arrows, the two sides of the sheet 22 tend by the formation of the fold line to move with respect to the folding blade 26 upwards. After leaving the folding blade 26, the sheets 22a, 22b enter between the hopper plates 33, 35 of the hopper folding device 34 and are folded by this around the fold line upwards. By provided at the exit of the hopper folding device 34 press roller means 36, a pressure on the formed fold edge is formed, whereby this is formed more accurately. The folded sheet 24 folded through the hopper-folding device 34 is then fed to a collecting device.

Claims (4)

Falzvorrichtung mit einer Bogentransportvorrichtung (52) zum Transport von Bogen (22) in einer Bogenauflageebene (BE) und einem gegenüber der Bogenauflageebene (BE) in Bogenlaufrichtung (BL) angeordneten, feststehenden Falzschwert (26), das auf der der Bogenauflageebene (BE) zugewandten Seite eine einen Bogen (22) beim Transport kontaktierende Falzkanteneinrichtung zur Ausbildung einer Falzlinie in dem Bogen (22) umfasst, dadurch gekennzeichnet, dass die Falzkanteneinrichtung mehrere Falzrollen (30) umfasst, die in Bogenlaufrichtung (BL) hintereinander angeordnet und jeweils um eine senkrecht zur Bogenlaufrichtung (BL) verlaufende Drehachse (50) drehbar gelagert sind.Folding device with a sheet transport device (52) for transporting sheets (22) in a sheet support plane (BE) and a relative to the sheet support plane (BE) in the sheet running direction (BL) arranged, fixed folding blade (26), which on the sheet support plane (BE) facing Side comprises a sheet (22) during transport contacting Falzkanteneinrichtung for forming a fold line in the sheet (22), characterized in that the folded edge means comprises a plurality of folding rollers (30) arranged in the sheet running direction (BL) one behind the other and each one perpendicular to Sheet running direction (BL) extending axis of rotation (50) are rotatably mounted. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass die Bogentransportvorrichtung (52) wenigstens ein umlaufendes Transportband umfasst, dessen oberes Trum (38) den Falzrollen (30) gegenüberliegt.Apparatus according to claim 1, characterized in that the sheet transport device (52) comprises at least one circulating conveyor belt, the upper run (38) facing the folding rollers (30). Vorrichtung nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die Bogentransportvorrichtung (52) zu beiden Seiten des Falzschwertes (26) angeordnete Transportrollen (32) umfasst.Apparatus according to claim 1 or 2, characterized in that the sheet transport device (52) on both sides of the folding blade (26) arranged transport rollers (32). Vorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass dem Falzschwert (26) in Bogenlaufrichtung (BL) eine Trichterfalzeinrichtung (34) nachgeordnet ist.Device according to one of the preceding claims, characterized in that the folding blade (26) is followed by a hopper folding device (34) in the sheet running direction (BL).
EP06025717A 2005-12-27 2006-12-12 Folding machine with fixed folding blade Active EP1803674B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102005062843A DE102005062843B3 (en) 2005-12-27 2005-12-27 Device for folding paper sheets comprises a sheet conveyor and a folding sword with a series of folding rollers arranged one after another in the machine direction

Publications (2)

Publication Number Publication Date
EP1803674A1 true EP1803674A1 (en) 2007-07-04
EP1803674B1 EP1803674B1 (en) 2009-04-08

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US (1) US20070161488A1 (en)
EP (1) EP1803674B1 (en)
CN (1) CN1990369A (en)
DE (2) DE102005062843B3 (en)

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US20070161488A1 (en) 2007-07-12
EP1803674B1 (en) 2009-04-08
CN1990369A (en) 2007-07-04
DE502006003372D1 (en) 2009-05-20

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