EP0883566B1 - Knife folder - Google Patents

Knife folder Download PDF

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Publication number
EP0883566B1
EP0883566B1 EP19970903356 EP97903356A EP0883566B1 EP 0883566 B1 EP0883566 B1 EP 0883566B1 EP 19970903356 EP19970903356 EP 19970903356 EP 97903356 A EP97903356 A EP 97903356A EP 0883566 B1 EP0883566 B1 EP 0883566B1
Authority
EP
European Patent Office
Prior art keywords
folding
56a
54a
sheet material
knife
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.)
Expired - Lifetime
Application number
EP19970903356
Other languages
German (de)
French (fr)
Other versions
EP0883566A1 (en
Inventor
Maximilian Helmstädter
Karlheinz Weinmann
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.)
Bowe Systec AG
Boewe Systec GmbH
Original Assignee
Bowe Systec AG
Boewe Systec 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 DE1996106821 priority Critical patent/DE19606821A1/en
Priority to DE19606821 priority
Application filed by Bowe Systec AG, Boewe Systec GmbH filed Critical Bowe Systec AG
Priority to PCT/EP1997/000851 priority patent/WO1997030925A1/en
Publication of EP0883566A1 publication Critical patent/EP0883566A1/en
Application granted granted Critical
Publication of EP0883566B1 publication Critical patent/EP0883566B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • B65H45/18Oscillating or reciprocating blade folders

Description

The present invention relates generally to paper processing devices and especially on a sword folder for folding sheet material, for example the printed one Can be paper.

Sword folders are known from the art. With them is a sheet feed belt, for example, arranged horizontally. In addition to the sheet feed belt, a pair of rollers is such attached that the axes of rotation of both roles in one Plane located to the surface of the sheet feed belt is parallel. The distance of the plane in which the Axes of rotation of the pair of rollers are selected such that sheet material that is transported from the sheet feed belt is, from the sheet feed belt just over the pair of rollers is pushed. Usually located in the middle a folding sword attached to a lever above the pair of rollers and by means of the lever and a cam arrangement can be moved cyclically into a folding position. When the folding sword is in the folding position, is a folded edge formed at the lower end of the folded sword is aligned in such a way that between the plane, which is formed by the axes of rotation of the pair of rollers, and the folding edge of the folding blade is a small distance. In addition, the fold edge points to both axes of rotation a substantially equal distance. On the Sheet feed belt opposite side with respect to the A pair of rollers is a horizontally displaceable Sheet stop.

Transported in such a known sword folding unit the sheet feed belt the sheet material in the fold area. The horizontal movement of the sheet material is caused by the sheet material stop limited, the position of the stop the position of the fold on the sheet material. Is located now the sheet material in the folding position, the folding sword substantially perpendicular to the sheet material to the sheet material moved there. The folding edge of the folding sword comes with the Sheet material in contact and presses the contact area of the sheet material and the fold edge, which is substantially linear is between the pair of roles. Thereby areas of the Sheets that are separated by the contact area, respectively raised with respect to the contact area. The contact area of the sheet material and the folded edge now gets into the Proximity of the plane by the axes of rotation of the two rollers of the pair of roles is defined.

The interaction of the two roles, one of which is one driven transport roller and the other a moving one Counter pressure roller is causing the two rollers as soon as they engage the sheet material at the contact area, convey the same in the direction that the Direction of movement of the folding blade in the folding position specified is. By engaging the pair of rollers and the sheet material becomes the sheet material at the point of the contact area due to the pressure of the pressure roller against the Transport roller folded.

The folding effect due to the interaction of the transport roller and the pinch roller is there, essentially only take place at the time when the contact area of the sheet material and the folding sword exactly in the plane that is formed by the axes of rotation. Due to the elasticity of the sheet material, the paper fold hardly improved if the contact area of the Sheets and the folding sword below the level that is defined by the axes of rotation of the pair of rollers and the areas of the Run sheets through the pair of rollers.

If the sheet has run completely through the pair of rollers, must have its direction of movement through a deflection device be changed to the same thing again on the Level of a paper processing line from which the sheet feed belt and the sword folder are components to bring back.

For further processing through the paper processing line it may be important which side of the sheet material printed on one side on a sheet material conveyor belt and which is directed away from it is. If the folded sheet material is in envelopes or the like enveloped, the sheet must first with downward-facing address inserted in the envelope after closing the envelope, for example for a subsequent franking a turning of the Envelopes is necessary. However, there are also applications in which the sheet material after folding in reverse orientation must be present. In known sword folding units Location of the folded sheet material in the paper processing line behind the sword folder by the deflection device and the general direction of conveyance of the paper processing line set, unless for a necessary Another device is provided for turning the sheet material that would increase the effort and costs.

DE-A1-2 146 013 discloses a device for longitudinal folding of sheets of paper. A sheet of paper is in a first Direction by means of a paper feed device rotating folding knife fed, its main surfaces also parallel to the first direction and perpendicular to the level that defines the sheet material fed. A through the interaction of the folding knife and an annular groove pre-folded sheet is folded between two ball rollers pushed, their axis of rotation in a second Direction is arranged, which is perpendicular to the first. These ball rollers feed the folded sheet in the first Direction to a pair of ribbons that fold the sheet of paper improved.

FR-A-2461671 is a folder with rotating folder blades known that a sheet material is initially perpendicular to it Fold the conveying direction, which causes the pre - folded sheet of Clamping roller pairs rotating at an angle to the feed direction Taken in and pulled away from the rotating folding knives becomes. The pairs of pinch rollers also only allow a very short-term compression of the fold at the place of your Investment sites. Here too there is a movement redirection of the Folded goods from a horizontal direction in an oblique direction conveying direction directed below, so that this too It is difficult to integrate the type of folder into paper processing lines leaves.

The object of the present invention is a To create sword folding for folding a sheet material, the with reduced effort a higher flexibility in the Further processing of the folded sheet material delivers.

This task is accomplished by a sword folding unit for folding one Sheet material solved according to claim 1.

The invention is based on the finding that it is to be achieved a fold is only necessary that the sheet material on relatively small ones directly adjacent to the fold Areas must be compressed as long as possible, whereby in contrast to the prior art, it is not necessary that the entire areas that are on either side of the fold are engaged, the fold itself but is only pressed very briefly.

Furthermore, the present invention enables the processing level the sheet material does not have to be changed, since the given by the sword folding unit according to the invention Direction of movement of the paper not with the direction of movement of the folding sword matches, but to this in is substantially perpendicular. Accordingly, they are not deflection devices and the like required to leave the sheet behind the sword folder back to the processing level, in which it was fed to the sword folder. In addition, in one embodiment of the sword folding mechanism according to the invention one for a paper processing line often advantageous right-angled deflection of the sheet material flow held solely by the sword folding device.

Since the sheet material by the sword folding unit according to the invention erected and essentially perpendicular to the direction of movement of the folding sword leaves the sword folding unit the location of the sheet material in the paper processing line behind the sword folding unit with easy-to-use folding devices freely selectable.

A preferred embodiment of the present invention is explained in more detail below with reference to the accompanying drawings. Show it:

Fig. 1
a sectional side view of the sword folding unit according to the present invention, wherein the folding sword is outside the folding position.
Fig. 2
a sectional side view of the sword folding unit according to the present invention, wherein the folding sword is in a folding position.
Fig. 3
a front view along the line A - A 'of FIG. 1 of the sword folding unit according to the invention.

1, 2 and 3, a sword folding mechanism 10 is shown. A feed device 12 has a drive roller 14, a Idler roller 16, a conveyor belt 18 between the drive roller 14 and the idler roller 16 is arranged, and Pressure rollers 20a, 20b, 20c.

A lever arrangement 22 is rotatable about a lever tilt axis the feeder 12 attached. The lever assembly 22 is on one side, the 24 with respect to the lever tilt axis Opposing pressure rollers 20, limited by runners 26a, 26b, each engaging with cams 28a, 28b are.

On one with respect to the lever tilt axis 24 of the combination the cam disks 28a, 28b and the rotor 26a, 26b opposite Side of the lever assembly 22 are lever arms 30a, 30b formed by means of a folding sword holder 32 are firmly connected.

There is also a folding sword 34 with the folding sword holder 32 connected. On the folding sword holder 32 opposite A folding edge 36 is formed on the side of the folding blade 34. The folding sword 34 points to the side of the folding edge 36 recesses 38a, 38b, 38c, 38d, 38e on the in Longitudinal direction of the folding sword 34, which also serves as the direction of the sword is referred to, are evenly spaced.

There is a folding area 40 below the folding blade 34, the through a recess in the support 42 for a to be folded Sheet material 44 is defined. The sheet material 44 can be unfolded be or, for example, a first fold 46 exhibit. The position of a second fold 48 (Fig. 2) the sheet material 44, which by the sword folder 10 of the The present invention is made by distance between a stop 50 and a contact line 52 the folded edge 36 and the sheet material 44 determined, the Stop 50 horizontally in the described embodiment is slidably mounted on the pad 42.

In the preferred embodiment, are on the side of the support 42 opposite the sheet material 44 a plurality of transport rollers 54a-54g and a plurality of pressure rollers 56a - 56g. The transport rollers 54a - 54g and the pressure rollers 56a - 56g are in a roller holder 58 each rotatably mounted. Transport roller drives 60a - 60g are for the respective rotation of the transport rollers 54a - 54g arranged around a respective transport roller axis of rotation 62a-62g. The pressure rollers 56a-56g are opposite each other of the transport rollers 54a-54g about respective pressure roller rotation axes 64a - 64g pivoted. In the preferred embodiment of the present invention are the feed roller axes of rotation 62a - 62g and the pressure roller rotation axes 64a - 64g all parallel to each other and both to the Roll holder 58 and perpendicular to the support 42. Each opposite transport rollers 54a - 54g and pressure rollers 56a-56g form a pair of conveyor rollers, each Pressure roller 56a - 56g by a pressure device 66a, the has a spring in the present exemplary embodiment, to the transport roller 54a - 54g assigned to it respective conveyor roller pairs is pressed. Every pressure roller each pair of conveyor rollers is thus perpendicular to their respective one Slidable axis of rotation.

In the described embodiment, both Transport rollers 54a - 54g as well as the pressure rollers 56a - 56g each approximately in the shape of a truncated cone. Like it 1 and 2 can be seen, the roles settle composed of a cylindrical base, which becomes the folding sword tapered conically. This tapered taper each sits on the edges of the recess in the Edition 42 continues. This leads to a V-shaped profile of the Folding area 40. In other words, this becomes V-shaped Profile of the fold area 40 by the interaction of a Conveyor roller pairs formed, the V-shaped profile through the recess of the support 42 is continued.

As can be seen in FIG. 3, the recesses 38a - 38e, which are provided in the folding sword 34, each with respect to of the transport roller rotation axes 62b - 62g in the direction of the center of gravity centered. Next to the outermost pair of conveyor rollers 54a, 56a and 54g, 56g are cylindrical press rolls 68a, 68b, 68c, 68d (68c, 68d not shown) arranged in pairs. The mutual alignment of the pairs cylindrical press rollers correspond to that of the conveyor roller pairs. The cylindrical press rollers 68a, 68b each by a drive device 70a, 70b for the cylindrical press rolls around a respective axis of rotation cylindrical press rollers 72a, 72b driven. The not shown cylindrical press rollers 68c, 68d are closed the cylindrical press rollers 68c, 68d biased.

Following is the operation of a preferred embodiment of the sword folding mechanism 10 according to the invention explained in detail.

After the sheet material 44, the folded (e.g. the first fold 46) or can be unfolded by means of the feed device 12 has been transported over the folding area 40 in this way, that the sheet material 44 is in engagement with the stop 50, the folding process takes place.

Fig. 1 shows the state of a preferred embodiment of the sword folding mechanism 10 according to the invention directly before the folding process begins. The lever assembly 22 and the one connected to the same via the folding sword holder 32 Folded sword 34 is located in relation to the rest 42 in their maximum deflection. This maximum deflection is given by the size of a cam attached to a particular one Provided circumferential area of the cam disks 28a, 28b is. A common rotation of the cam disks 28a, 28b likewise causes the rotors 26a, 26b in FIG the opposite direction of rotation, which leads to the fact that the lever arms 30a, 30b, which are firmly connected to one another, and which the lever tilt axis 24 are rotatably mounted in the fold area Lower 40. As a result, the folding edge 36 of the folding blade comes 34 along the contact line 52 in contact with the Sheets 44. With continued rotation of the cams 28a, 28b the fold edge presses the sheet material ever deeper into the fold area, whereby the areas of the sheet material, which are outside the fold area, erect in a V-shape as can be seen in Fig. 2.

When the cam disk 28a, 28b is rotated still further the sheet, as can be seen in Fig. 2, by the folding sword 34 between the respective pairs of conveyor rollers 54a-54g, 56a - 54g, pressed. The cutouts 38a - 38e prevent that the folding sword 34 in this position, which as the Fold position is referred to, not by the pairs of conveyor rollers is engaged. The between the recesses 38a-38e existing areas of the folded edge 36 do this Press the paper between the pairs of conveyor rollers against the exercised by the respective pressing devices (not shown) Preload. The sheet material 44 to be folded is now through the individual conveyor roller pairs due to the by the individual Pressure devices exerted preload force engaged. Therefore, the lever assembly 22 can be raised again without the sheet material disengaging is brought with the pair of conveyor rollers. The folding sword 34 thus leaves the fold area 40 again, after which a new folding cycle can begin.

Depending on the direction of rotation of the feed roller drives 60a - 60g can do this from the pairs of conveyor rollers V-shaped sheet material taken with respect to FIG. 1 in the direction of the cylindrical press roller 68a or in the direction the cylindrical pressure roller 68b laterally out of the fold area be promoted out. Through this lateral conveying the fold area 40 becomes the second fold 48, which at the time to which the folding sword 34 again out of the folding area 40 was moved, only at the contact lines of the individual Transport rollers 54a - 54g and the individual pressure rollers 56a - 56g was prepared to some extent by the individual Conveyor roller pairs carried out continuously. To quality of the second fold 48 which is now carried out continuously increase, the sheet runs through the pair of cylindrical Press rolls 68a, 68b, which is arranged on the side on the the folded sheet material 44 is conveyed out of the folding area becomes.

For further processing of the folded sheet material 44 in one Paper processing line from which the sword folder 10 illustrates a part in accordance with the present invention, it turns out to be favorable that the sheet in one in an upright, essentially vertical position, whereby it is possible, by simple means, the sheet on one side, for example, printed or on the other for example to lay unprinted page as it is from subsequent sheet material processing is required.

In summary it can be said that the sword folding unit 10 according to the present invention not only the folding function, but also right-angled turning and straightening of the sheet material in a single device.

Deviating from the exemplary embodiment shown exists a variety of different modifications of the Sword folder 10 of the present invention.

For example, the feed device 12 can be omitted be there one in a paper processing line device switched in front of the sword folding unit 10 Feed sheet material 44 directly into the sword folder 10 can. The lever assembly 22 must then be attached elsewhere and be synchronized with the sheet feed rate.

Furthermore, it is not necessary that the sword folder in is aligned essentially horizontally. It can also, for example be inclined in a certain way like it is required for a special application.

The folding sword 34 does not have to be suspended from the lever arrangement 22 but it can be otherwise independent of the Feeder 12 can be suspended and in any Angle that is not parallel to the sheet material 44 on the same hit. Furthermore, it is for the present invention irrelevant whether the recesses are from the fold edge 36 extend to the folding sword holder 32, or at all are not present as far as the surfaces of the Transport rollers 54a - 54g or pressure rollers 56a - 56g such are carried out that the sheet material 44 in engagement with the Conveyor roller pair remains when the folding sword 34 from the Folding area 40 is moved out.

Although several pairs of conveyor rollers are shown, there is one pair of conveyor rollers in connection with cylindrical press rolls 68a, 68b sufficient to ensure a continuous fold of the sheet material 44 manufacture. It is also possible to use the cylindrical Omit press rollers 68a, 68b because of the continuous Fold is already generated by the conveyor roller pairs. Moreover it is not necessary that the sheet material conveyor is in the form of pairs of conveyor rollers, as well a continuous elastic conveyor belt may be provided can, the surface of which is in contact with the sheet material 44 comes, can be designed so that it with the sheet material 44 remains engaged when the folding sword 34 is out of the folding area 40 is removed. The described in the direction of Edition 42 existing reduction in the diameter of the Transport rollers 54a - 54g or the pressure rollers 56a - 56g does not have to be linear, but the cross section can also spherical, parabolic or in some other way be continuously reduced.

Finally, the pad 42 and the stop 50 are relative a preferred embodiment of the sword folding unit 10 have been described, not absolutely necessary, since the sheet material 44 is also, for example, by a Defined kinetic energy that the sheet material from the Feeder has received in a certain position can be placed directly above the conveyor roller pairs.

Claims (10)

  1. A knife folder (10) for folding a sheet material (44), said knife folder (10) having the following features:
    a sheet-material feed means (12) for feeding the sheet material (44) in a first direction;
    a folding device for folding said sheet material (44); and
    a sheet-material conveying means (54a - 54g, 56a - 56g) used for conveying the sheet material (44) and comprising at least one pair of rotating conveying components (54a, 56a) whose axes of rotation (62a, 64a) are arranged in a second direction substantially at right angles to the first direction,
    the folding device pushing the folded sheet material (44) between the conveying components of the at least one pair of conveying components when it is at its folding position,
    characterized in
    that the folding device comprises a knife (34) extending in a third direction substantially at right angles to said first and said second direction;
    that, on the side facing the knife (34), the rotating conveying components (54a, 56a) have a reduced diameter in comparison with their maximum diameter; and
    that the sheet material (44) can be conveyed in the third direction by actuating the conveying components (54a, 56a).
  2. A knife folder (10) according to claim 1, characterized in that
    the conveying components (54a, 56a) of the sheet-material feed means (54a - 54g, 56a - 56g) consist of a pair of conveying rollers (54a, 56a) whose roller axes (62a, 64a) are arranged in said second direction.
  3. A knife folder (10) according to claim 2, characterized in that
    a plurality of pairs of conveying rollers (54a - 54g, 56a - 56g) is provided, said pairs of conveying rollers being arranged in spaced relationship with one another in said third direction.
  4. A knife folder (10) according to one of the claims 2 to 3, characterized in that
    the rollers (54a - 54g, 56a - 56g) of said pairs of conveying rollers are frusto-conical.
  5. A knife folder (10) according to one of the claims 2 to 3, characterized in that
    the rollers (54a - 54g, 56a - 56g) of said pairs of conveying rollers taper towards the knife (34).
  6. A knife folder (10) according to one of the claims 2 to 5, characterized in that
    one roller (54a - 54g) of each pair of conveying rollers is adapted to be driven and that the other roller (56a - 56g) is spring-loaded in the direction of said first roller.
  7. A knife folder (10) according to one of the claims 2 to 6, characterized in that,
    outside of the folding area (40) of the knife folder device, a pair of cylindrical pressure rollers (68a, 68b) is provided such that it is arranged in spaced relationship with the pair of conveying rollers (54a, 56a, 54g, 56g) in said third direction.
  8. A knife folder (10) according to one of the claims 1 to 7, characterized in that
    the stop (50) is arranged on a sheet-material support (42) between the sheet-material feed means (12) and the knife (34), said sheet-material feed means (42) having a recess through which the knife (34) extends between the conveying components of the sheet material feed means (54a - 54g, 56a - 56g) when it is at its folding position.
  9. A knife folder (10) according to one of the claims 2 to 8, in dependence upon claim 2, characterized in that
    the knife (34) is provided with at least one recess (38a - 38e) which is located in a mutual contact area of the rollers (54a - 54g, 56a - 56g) of the pair of conveying rollers at the folding position of the knife folder device.
  10. A knife folder (10) according to one of the claims 1 to 9, in dependence upon claim 2, characterized by
    a stop (50) up to which the sheet material (44) is fed prior to being folded.
EP19970903356 1996-02-23 1997-02-21 Knife folder Expired - Lifetime EP0883566B1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE1996106821 DE19606821A1 (en) 1996-02-23 1996-02-23 Sword folding unit
DE19606821 1996-02-23
PCT/EP1997/000851 WO1997030925A1 (en) 1996-02-23 1997-02-21 Knife folder

Publications (2)

Publication Number Publication Date
EP0883566A1 EP0883566A1 (en) 1998-12-16
EP0883566B1 true EP0883566B1 (en) 1999-12-29

Family

ID=7786248

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19970903356 Expired - Lifetime EP0883566B1 (en) 1996-02-23 1997-02-21 Knife folder

Country Status (6)

Country Link
US (1) US6074332A (en)
EP (1) EP0883566B1 (en)
JP (1) JP3213948B2 (en)
DE (1) DE19606821A1 (en)
ES (1) ES2141593T3 (en)
WO (1) WO1997030925A1 (en)

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DE69806812T2 (en) * 1997-12-19 2003-03-13 Unilever Nv Food composition containing olive oil
EP1213245B1 (en) * 2000-11-28 2003-10-08 Hunkeler AG Method and device for folding sheets
US6878104B2 (en) * 2001-10-05 2005-04-12 Hewlett-Packard Development Company, L.P. Variable media thickness folding method
US6808479B2 (en) * 2001-10-05 2004-10-26 Hewlett-Packard Development Company, L.P. Thick media folding method
US6939284B2 (en) * 2001-10-05 2005-09-06 Hewlett-Packard Development Company, L.P. Sheet folding apparatus with rounded fold blade
US6623415B2 (en) * 2001-12-21 2003-09-23 First Data Corporation Sheet folding systems and methods
US6895302B2 (en) * 2003-04-14 2005-05-17 First Data Corporation Systems and methods for allocating excess space associated with mailings
US6829519B2 (en) * 2003-04-14 2004-12-07 First Data Corporation Systems for assembling mailings and methods for external control thereof
US7216012B2 (en) * 2003-04-14 2007-05-08 First Data Corporation Auction systems and methods for selecting inserts for direct mailings
US6817605B1 (en) * 2003-04-30 2004-11-16 Hewlett-Packard Development Company, L.P. Method and apparatus for creating a pillowless booklet
DE102004015963A1 (en) * 2004-04-01 2005-11-10 Koenig & Bauer Ag Systems with alternative processing lines for further processing of products, longitudinal folder and method for synchronous operation of a folder
US7962355B2 (en) * 2004-06-30 2011-06-14 First Data Corporation Presentation instrument production equipment and methods
US20070015649A1 (en) * 2005-07-14 2007-01-18 First Data Corporation Flow folder apparatus and methods
US7516949B2 (en) * 2005-08-10 2009-04-14 First Data Corporation Sideways sheet feeder and methods
JP4536646B2 (en) * 2005-11-28 2010-09-01 京セラミタ株式会社 Paper folding device and paper post-processing device
JP4588619B2 (en) * 2005-11-30 2010-12-01 京セラミタ株式会社 Paper folding device and paper post-processing device
DE102006042878A1 (en) * 2006-09-13 2008-03-27 Heidelberger Druckmaschinen Ag Device for positioning a trailing edge of sheets
US8606670B2 (en) * 2007-01-02 2013-12-10 First Data Corporation Integrated communication solution
DE102007062863A1 (en) * 2007-12-21 2009-06-25 Heidelberger Druckmaschinen Ag Device for clamping waves
DE102009000197B3 (en) * 2009-01-14 2010-03-11 Koenig & Bauer Aktiengesellschaft Folding device for use with printing machine, has spring element whose one end is connected to cam disc, where spring element presses control arm against cam disc in working position and releases control arm in resting position
EP2210844B1 (en) * 2009-01-26 2012-04-04 Neopost Technologies Method and apparatus for feeding and folding sheets
DE102009052145A1 (en) 2009-11-06 2011-05-12 Heidelberger Druckmaschinen Ag Folding machine with a device for pressing
DE102012025013B4 (en) 2012-12-20 2015-03-05 Böwe Systec Gmbh Folding plant and method for folding flat goods
EP3059195B1 (en) * 2015-02-19 2018-03-07 Hunkeler AG Folding device and method
US10308470B2 (en) * 2017-09-13 2019-06-04 Kabuhiki Kaisha Toshiba Blade and post-processing apparatus

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JP2983247B2 (en) * 1990-04-23 1999-11-29 株式会社小森コーポレーション Chopper folding device for folder
DE4101399A1 (en) * 1991-01-18 1992-07-23 Kodak Ag Device for folding leafs

Also Published As

Publication number Publication date
US6074332A (en) 2000-06-13
WO1997030925A1 (en) 1997-08-28
JP3213948B2 (en) 2001-10-02
DE19606821A1 (en) 1997-08-28
ES2141593T3 (en) 2000-03-16
EP0883566A1 (en) 1998-12-16
JPH11506719A (en) 1999-06-15

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