EP1460014B1 - Sheet folding method to obtain an at least 16-pages folded sheet - Google Patents

Sheet folding method to obtain an at least 16-pages folded sheet Download PDF

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Publication number
EP1460014B1
EP1460014B1 EP03006152A EP03006152A EP1460014B1 EP 1460014 B1 EP1460014 B1 EP 1460014B1 EP 03006152 A EP03006152 A EP 03006152A EP 03006152 A EP03006152 A EP 03006152A EP 1460014 B1 EP1460014 B1 EP 1460014B1
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EP
European Patent Office
Prior art keywords
sheet
folded
conveying direction
folded sheet
folding
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.)
Revoked
Application number
EP03006152A
Other languages
German (de)
French (fr)
Other versions
EP1460014A1 (en
Inventor
Joachim Hoffman
Bodo Tegtmeier
Eberhard Krieger
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
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Application filed by Maschinenbau Oppenweiler Binder GmbH and Co KG filed Critical Maschinenbau Oppenweiler Binder GmbH and Co KG
Priority to DE50308317T priority Critical patent/DE50308317D1/en
Priority to EP03006152A priority patent/EP1460014B1/en
Priority to JP2004074907A priority patent/JP2004338945A/en
Priority to US10/801,833 priority patent/US20040185995A1/en
Publication of EP1460014A1 publication Critical patent/EP1460014A1/en
Application granted granted Critical
Publication of EP1460014B1 publication Critical patent/EP1460014B1/en
Anticipated expiration legal-status Critical
Revoked legal-status Critical Current

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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
    • B65H45/18—Oscillating or reciprocating blade folders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42C—BOOKBINDING
    • B42C1/00—Collating or gathering sheets combined with processes for permanently attaching together sheets or signatures or for interposing inserts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42C—BOOKBINDING
    • B42C19/00—Multi-step processes for making books
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42C—BOOKBINDING
    • B42C19/00—Multi-step processes for making books
    • B42C19/02—Multi-step processes for making books starting with single sheets
    • 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 method for folding a sheet into a folded sheet with at least 16 pages.
  • From the DE 33 12 931 C2 is already a method for producing at least 16 pages having brochures known from a sheet, which is passed through successively arranged Ausrichte- and conveyor tables, folding rollers and folding pockets and glue nozzles having folders at which the sheet is folded along fold lines, wherein before folding on At least a portion of the fold lines glue is applied and the folded sheet is cropped edge.
  • the object underlying the invention is to provide a method by which a folded sheet can be folded with at least 16 pages in a simple manner with high sheet processing speed.
  • This object is achieved by a method for folding a sheet into a folded sheet with at least 16 pages with the method steps according to claim 1.
  • the method according to the invention enables very high sheet speeds, since no deflection takes place from the feed transport direction until the formation of the third signature.
  • the third folded sheet is relatively small and stable compared to the starting sheet, so that its deflection can take place at a very high line speed, with which then the formation of a fourth folding sheet can be performed.
  • the third folded sheet is pressed in the Zuzhoutransport substances before its deflection, whereby its deflection with the line speed and its orientation and its further transport to form the fourth signature can be precisely performed.
  • the folds are facilitated if perforations are already formed in the sheet along the fold lines extending in the feed transport direction.
  • a pocket folder is used for the first fold, a plow folder for the second and third folds, a diverter table for the deflection and a knife folder for the fourth fold.
  • the two plow folding plants are advantageously combined on one and the same component.
  • a small press is preferably arranged to flat pressed the third folded sheet and bring in accurate positioning on the Umlenktisch, so that there can still be a circumcision.
  • the cycle time can be reduced if the long side of the sheet is transverse to the feed transport direction, i. the arch is first folded around its longitudinal centerline.
  • the inserted sheet 11 has a transversely with respect to its transport direction 30 center line 21 which is parallel to the longitudinal side of the sheet 11, whereby two transverse fields are formed, each of which in turn a transverse center line 22a and 22b has.
  • the sheet 11 has a center line 26 in the transport direction 30, whereby two lateral fields are formed, each of which in turn has a longitudinal center line 27a and 27b.
  • the longitudinal centerlines 26, 27a and 27b are suitably perforated.
  • a first folding step the sheet 11 is folded around its center line 21 transverse to its feed transport direction 30, whereby a first folded sheet 12 with four sides is formed. Then, the first folded sheet 12 is folded around its feed line to the transport direction 30 longitudinal center line 26, whereby a second folded sheet 13 is formed with eight sides.
  • the second folded sheet 13 is folded around its center line 27a, 27b extending longitudinally of the feeding transport direction 30, whereby a third folded sheet 14 having sixteen sides is formed.
  • These folds can be carried out at very high sheet transport speeds, wherein the third signature sheet 14 relative to the output sheet is relatively small and very stable by the folds, so that it is deflected at the high sheet transport speed at right angles in a forward transport direction and folded around its to the transport direction longitudinal centerline can form a fourth fold sheet with 32 pages, all at the constant constant sheet transport speed.
  • the position of the signaturesheet 15 is not shown in FIG. 1, but in FIGS. 2 and 3. From Fig. 1 and 2, the superimposed fold lines are each recognizable by the assignment of the letters a and b.
  • the first folded sheet 12 is folded out of the starting sheet 11 in a pocket folder 33, into which the starting sheet 11 transversely, ie with its longitudinal side, advances.
  • the pocket folder 33 delivers the sheet in the feed transport direction 30 to a combined component 34, in which two plow folders 34a, 34b are provided in the feed transport direction 30 one behind the other according to the arrangement, with which the second fold sheet 13 and the third fold sheet 14 are formed.
  • the third folded sheet 14 then passes through a small press 35, whereby a flat stable third folded sheet is formed, which is then transported to the deflection and cutting table 36, where it is transported along a guide ruler 37 in exact alignment in the further transport direction 31, the Zugartransportides 30 is vertical.
  • the trimmed third folded sheet 14 is then in the onward transport direction transported to a blade folder 38, on which the fourth folded sheet 32 pages is formed, which is then given in a known manner to a delivery 39 with a transport direction 32 which is parallel to the Zugartransport substances 30, but opposite.
  • the sheet transport speed can be doubled by the sheet transport direction remaining unchanged up to the third folded sheet. Since the sheet runs transversely into the pocket folder, the time between two consecutive sheets can be shortened.
  • the first folded sheet 13 is folded around the center line 26 and then around the center line 27a, 27b to form the third folding sheet 14.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)

Description

Die Erfindung betrifft ein Verfahren zum Falzen eines Bogens zu einem Falzbogen mit wenigstens 16 Seiten.The invention relates to a method for folding a sheet into a folded sheet with at least 16 pages.

Aus der DE 33 12 931 C2 ist bereits ein Verfahren zur Herstellung von wenigstens 16 Seiten aufweisenden Broschüren aus einem Bogen bekannt, der durch nacheinander angeordnete Ausrichte- und Fördertische, Falzwalzen und Falztaschen sowie Leimdüsen aufweisende Falzwerke geführt wird, an denen der Bogen längs Falzlinien gefalzt wird, wobei vor dem Falzen auf wenigstens einem Teil der Falzlinien Leim aufgetragen wird und der gefalzte Bogen randseitig beschnitten wird.From the DE 33 12 931 C2 is already a method for producing at least 16 pages having brochures known from a sheet, which is passed through successively arranged Ausrichte- and conveyor tables, folding rollers and folding pockets and glue nozzles having folders at which the sheet is folded along fold lines, wherein before folding on At least a portion of the fold lines glue is applied and the folded sheet is cropped edge.

Bei den bekannten Verfahren erfolgen die Bogenfalzungen in Taschenfalzwerken, die aufeinanderfolgend jeweils rechtwinklig zueinander angeordnet sind. Bei einer Anordnung können zwei Taschenfalzwerke hintereinander mit gleicher Transportrichtung angeordnet werden, worauf ein drittes Falzwerk in rechtwinkliger Anordnung zu den ersten beiden folgt.In the known methods, the Bogenfalzungen done in Taschenfalzwerken, which are arranged successively each perpendicular to each other. In one arrangement, two Taschenfalzwerke can be arranged one behind the other with the same transport direction, followed by a third folding unit in a right angle to the first two follows.

Neben Taschenfalzwerken finden beim Falzen von Bogen auch Schwertfalzwerke bzw. Z-Falzwerke sowie Pflugfalzwerke Verwendung.In addition to Taschenfalzwerken find when folding sheets and Schwertfalzwerke Z-folding and Pflugfalzwerke use.

Die Anordnung der verschiedenen Falzwerke zu Falzanlagen macht die häufige rechtwinklige Umlenkung der gefalzten Bogen erforderlich, wodurch die Bogenverarbeitungsgeschwindigkeiten der Anlage beeinträchtigt werden. Zur Erhöhung der Bogengeschwindigkeiten ist man deshalb dazu übergegangen, den Strom der Falzbogen in zwei Ströme von weiter zu falzenden Bogen aufzuteilen, was die Anlage apparativ sehr aufwändig macht.The arrangement of the various folders to folders requires the frequent right-angle deflection of the folded sheets, thereby affecting the sheet processing speeds of the equipment. To increase the sheet speeds, it is therefore necessary to divide the stream of folded sheets into two streams of sheets to be folded further, which makes the system very complex in terms of apparatus.

In der CH -A-282 103 ist ein Verfahren zum Falzen eines Bogens zu einem Falzbogen mitwenigstens 16 Seiten offenbart, bei welchem unmittelbar aufeinanderfolgend

  1. a) der Bogen um seine zu seiner Zuführtransportrichtung quer verlaufende Mittellinie gefalzt wird, wodurch ein erster Falzbogen mit vier Seiten gebildet wird,
  2. b) der erste Falzbogen um eine zur Zuführtransportrichtung längs verlaufende Falzlinie gefalzt wird, wodurch ein zweiter Falzbogen mit acht Seiten gebildet wird,
  3. c) der zweite Falzbogen um eine zur Zuführtransportrichtung quer verlaufende Falzlinie gefalzt wird, wodurch ein dritter Falzbogen mit sechzehn Seiten gebildet wird.
In the CH -A-282 103 For example, there is disclosed a method of folding a sheet into a signature sheet of at least 16 pages, in which one immediately succeeding
  1. a) the sheet is folded around its center line transverse to its feeding transport direction, whereby a first folded sheet is formed with four sides,
  2. b) the first signature is folded around a fold line extending longitudinally of the feed transport direction, thereby forming a second signature with eight pages,
  3. c) the second signature is folded around a fold line transverse to the feed transport direction, thereby forming a third signature with sixteen pages.

Da zweite Falzbogen zur Bildung des dritten Falzbogens quer zur Zuführtransportrichtung gefalzt wird, muss der zweite Falzbogen umgelenkt werden. Hierdurch wird die durchschnittliche Bogengeschwindigkeit verringert.Since second folded sheets are folded transversely to the feed transport direction to form the third fold sheet, the second fold sheet must be deflected. This reduces the average bow speed.

Die der Erfindung zugrundeliegende Aufgabe besteht darin, ein Verfahren bereitzustellen, mit dem auf einfache Weise mit hoher Bogenverarbeitungsgeschwindigkeit ein Falzbogen mit wenigstens 16 Seiten gefalzt werden kann.The object underlying the invention is to provide a method by which a folded sheet can be folded with at least 16 pages in a simple manner with high sheet processing speed.

Diese Aufgabe wird durch ein Verfahren zum Falzen eines Bogens zu einem Falzbogen mit wenigstens 16 Seiten mit den Verfahrensschritten nach Anspruch 1 gelöst.This object is achieved by a method for folding a sheet into a folded sheet with at least 16 pages with the method steps according to claim 1.

Das erfindungsgemäße Verfahren ermöglicht sehr hohe Bogengeschwindigkeiten, da bis zur Ausbildung des dritten Falzbogens keine Umlenkung aus der Zuführtransportrichtung erfolgt. Der dritte Falzbogen ist verglichen mit dem Ausgangsbogen relativ klein und stabil, so dass seine Umlenkung mit einer sehr hohen Anlagengeschwindigkeit erfolgen kann, mit der dann auch die Bildung eines vierten Falzbogens durchgeführt werden kann.The method according to the invention enables very high sheet speeds, since no deflection takes place from the feed transport direction until the formation of the third signature. The third folded sheet is relatively small and stable compared to the starting sheet, so that its deflection can take place at a very high line speed, with which then the formation of a fourth folding sheet can be performed.

Vorteilhafterweise wird der dritte Falzbogen vor seiner Umlenkung in der Zuführtransportrichtung gepresst, wodurch seine Umlenkung mit der Anlagengeschwindigkeit und seine Ausrichtung und sein Weitertransport zur Bildung des vierten Falzbogens präzise durchgeführt werden können.Advantageously, the third folded sheet is pressed in the Zuführtransportrichtung before its deflection, whereby its deflection with the line speed and its orientation and its further transport to form the fourth signature can be precisely performed.

Die Falzungen werden dadurch erleichtert, wenn in den Bogen längs der sich in der Zuführtransportrichtung erstreckenden Falzlinien bereits am Anfang Perforationen ausgebildet werden.The folds are facilitated if perforations are already formed in the sheet along the fold lines extending in the feed transport direction.

Bei der Durchführung des erfindungsgemäßen Verfahrens wird für die erste Falzung ein Taschenfalzwerk, für die zweite und dritte Falzung ein Pflugfalzwerk, für die Umlenkung ein Umlenktisch und für die vierte Falzung ein Schwertfalzwerk verwendet.When carrying out the method according to the invention, a pocket folder is used for the first fold, a plow folder for the second and third folds, a diverter table for the deflection and a knife folder for the fourth fold.

Die beiden Pflugfalzwerke sind dabei vorteilhafterweise an ein und dem selben Bauelement kombiniert. Zwischen dem Pflugfalzwerk und dem Umlenktisch wird vorzugsweise eine Kleinpresse angeordnet, um den dritten Falzbogen flachgepresst und in genauer Positionierung auf den Umlenktisch zu bringen, so dass dort auch noch eine Beschneidung erfolgen kann.The two plow folding plants are advantageously combined on one and the same component. Between the Pflugfalzwerk and the Umlenktisch a small press is preferably arranged to flat pressed the third folded sheet and bring in accurate positioning on the Umlenktisch, so that there can still be a circumcision.

Die Taktzeit kann verringert werden, wenn die Längsseite des Bogens quer zur Zuführtransportrichtung verläuft, d.h. der Bogen als erstes um seine in Längsrichtung verlaufende Mittellinie gefalzt wird.The cycle time can be reduced if the long side of the sheet is transverse to the feed transport direction, i. the arch is first folded around its longitudinal centerline.

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

  • Fig. 1 in einer Draufsicht den Ablauf der Bogenfalzung,
  • Fig. 2 den Ablauf der Bogenfalzung von Fig. 1 perspektivisch und
  • Fig. 3 schematisch in der Draufsicht eine für die Bogenfalzung verwendete Anlage.
An embodiment of the invention will be explained in more detail with reference to drawings. It shows:
  • 1 in a plan view of the course of Bogenfalzung,
  • Fig. 2 shows the sequence of Bogenfalzung of FIG. 1 in perspective and
  • Fig. 3 shows schematically in plan view a plant used for Bogenfalzung.

Wie in Fig. 1 und 2 gezeigt ist, hat der eingesetzte Bogen 11 eine bezogen auf seine Transportrichtung 30 quer verlaufende Mittellinie 21, die parallel zur Längsseite des Bogens 11 verläuft, wodurch zwei Querfelder gebildet werden, von denen jedes seinerseits eine Quermittellinie 22a bzw. 22b hat. Der Bogen 11 hat in Transportrichtung 30 eine Mittellinie 26, wodurch zwei seitliche Felder gebildet werden, von denen jedes seinerseits eine Längsmittellinie 27a bzw. 27b hat. Die Längsmittellinien 26, 27a und 27b sind zweckmäßigerweise perforiert.As shown in Fig. 1 and 2, the inserted sheet 11 has a transversely with respect to its transport direction 30 center line 21 which is parallel to the longitudinal side of the sheet 11, whereby two transverse fields are formed, each of which in turn a transverse center line 22a and 22b has. The sheet 11 has a center line 26 in the transport direction 30, whereby two lateral fields are formed, each of which in turn has a longitudinal center line 27a and 27b. The longitudinal centerlines 26, 27a and 27b are suitably perforated.

In einem ersten Falzschritt wird der Bogen 11 um seine zu seiner Zuführtransportrichtung 30 quer verlaufende Mittellinie 21 gefalzt, wodurch ein erster Falzbogen 12 mit vier Seiten gebildet wird. Daraufhin wird der erste Falzbogen 12 um seine zur Zuführtransportrichtung 30 längs verlaufende Mittellinie 26 gefalzt, wodurch ein zweiter Falzbogen 13 mit acht Seiten gebildet wird.In a first folding step, the sheet 11 is folded around its center line 21 transverse to its feed transport direction 30, whereby a first folded sheet 12 with four sides is formed. Then, the first folded sheet 12 is folded around its feed line to the transport direction 30 longitudinal center line 26, whereby a second folded sheet 13 is formed with eight sides.

Anschließend wird der zweite Falzbogen 13 um seine zur Zuführtransportrichtung 30 längs verlaufend Mittellinie 27a, 27b gefalzt, wodurch ein dritter Falzbogen 14 mit sechzehn Seiten gebildet wird. Diese Falzungen können mit sehr hohen Bogentransportgeschwindigkeiten durchgeführt werden, wobei der dritte Falzbogen 14 gegenüber dem Ausgangsbogen relativ klein und durch die Falzungen sehr stabil ist, so dass er mit der hohen Bogentransportgeschwindigkeit rechtwinklig in eine Weitertransportrichtung umgelenkt und um seine zur Weitertransportrichtung längs verlaufende Mittellinie gefalzt werden kann, wodurch ein vierter Falzbogen mit 32 Seiten gebildet wird, alles bei der gleichbleibenden konstanten Bogentransportgeschwindigkeit. Die Stellung des Falzbogens 15 ist nicht in Fig. 1, jedoch in Fig. 2 und Fig. 3 gezeigt. Aus Fig. 1 und 2 sind die aufeinanderliegenden Falzlinien jeweils durch die Zuordnung der Buchstaben a und b erkennbar.Subsequently, the second folded sheet 13 is folded around its center line 27a, 27b extending longitudinally of the feeding transport direction 30, whereby a third folded sheet 14 having sixteen sides is formed. These folds can be carried out at very high sheet transport speeds, wherein the third signature sheet 14 relative to the output sheet is relatively small and very stable by the folds, so that it is deflected at the high sheet transport speed at right angles in a forward transport direction and folded around its to the transport direction longitudinal centerline can form a fourth fold sheet with 32 pages, all at the constant constant sheet transport speed. The position of the signaturesheet 15 is not shown in FIG. 1, but in FIGS. 2 and 3. From Fig. 1 and 2, the superimposed fold lines are each recognizable by the assignment of the letters a and b.

Wie teilweise aus Fig. 1 und 2 und schematisch aus Fig. 3 zu ersehen ist, ist der erste Falzbogen 12 aus dem Ausgangsbogen 11 in einem Taschenfalzwerk 33 gefalzt, in das der Ausgangsbogen 11 quer, d.h. mit seiner Längsseite voraus einläuft. Das Taschenfalzwerk 33 gibt den Bogen in der Zuführtransportrichtung 30 an ein kombiniertes Bauelement 34 ab, bei dem in der Zuführtransportrichtung 30 hintereinander entsprechend der Anordnung zwei Pflugfalzwerke 34a, 34b vorgesehen sind, mit denen der zweite Falzbogen 13 und der dritte Falzbogen 14 gebildet werden. Der dritte Falzbogen 14 durchläuft dann eine Kleinpresse 35, wodurch ein flacher stabiler dritter Falzbogen gebildet wird, der dann auf den Umlenk- und Schneidetisch 36 transportiert wird, an dem er längs eines Führungslineals 37 in genauer Ausrichtung in der Weitertransportrichtung 31 weitertransportiert wird, die zur Zuführtransportrichtung 30 senkrecht ist. Der beschnittene dritte Falzbogen 14 wird dann in der Weitertransportrichtung zu einem Schwertfalzwerk 38 transportiert, auf dem der vierte Falzbogen mit 32 Seiten gebildet wird, der dann in bekannter Weise an eine Auslage 39 mit einer Transportrichtung 32 gegeben wird, die zur Zuführtransportrichtung 30 parallel, jedoch entgegengesetzt ist.As can be seen in part from FIGS. 1 and 2 and schematically from FIG. 3, the first folded sheet 12 is folded out of the starting sheet 11 in a pocket folder 33, into which the starting sheet 11 transversely, ie with its longitudinal side, advances. The pocket folder 33 delivers the sheet in the feed transport direction 30 to a combined component 34, in which two plow folders 34a, 34b are provided in the feed transport direction 30 one behind the other according to the arrangement, with which the second fold sheet 13 and the third fold sheet 14 are formed. The third folded sheet 14 then passes through a small press 35, whereby a flat stable third folded sheet is formed, which is then transported to the deflection and cutting table 36, where it is transported along a guide ruler 37 in exact alignment in the further transport direction 31, the Zuführtransportrichtung 30 is vertical. The trimmed third folded sheet 14 is then in the onward transport direction transported to a blade folder 38, on which the fourth folded sheet 32 pages is formed, which is then given in a known manner to a delivery 39 with a transport direction 32 which is parallel to the Zuführtransportrichtung 30, but opposite.

Mit dem erfindungsgemäßen Verfahren lässt sich, verglichen mit den konventionellen Verfahren die Bogentransportgeschwindigkeit verdoppeln, indem bis zum dritten Falzbogen die Bogentransportrichtung unverändert bleibt. Da der Bogen quer in das Taschenfalzwerk einläuft, kann die Zeit zwischen zwei aufeinander folgenden Bogen verkürzt werden.With the method according to the invention, compared to the conventional methods, the sheet transport speed can be doubled by the sheet transport direction remaining unchanged up to the third folded sheet. Since the sheet runs transversely into the pocket folder, the time between two consecutive sheets can be shortened.

Bei dem beschriebenen Verfahren wird der erste Falzbogen 13 zur Bildung des dritten Falzbogens 14 um die Mittelinie 26 und dann um die Mittellinie 27a, 27b gefalzt. Es ist jedoch auch möglich, zunächst um die Linie 27a und anschließend um eine weitere in Zuführtransportrichtung 30 verlaufende Linie 26 oder 27b nach oben oder nach unten zu falzen. Es kann auch, zunächst um die Linie 27b und anschließend um eine weitere in Zuführtransportrichtung verlaufende Linie 26 oder 27a nach oben oder nach unten gefalzt werden.In the described method, the first folded sheet 13 is folded around the center line 26 and then around the center line 27a, 27b to form the third folding sheet 14. However, it is also possible first to fold up or down around the line 27a and then another line 26 or 27b running in the feed transport direction 30. It may also be folded upwardly or downwardly about line 27b and then another line 26 or 27a in the feed transport direction.

Claims (8)

  1. A method of folding a sheet (11) into a folded sheet with at least 16 pages, wherein immediately following one another
    a) the sheet (11) is folded about its centre line (21) extending transversely to its feed conveying direction (30), whereby a first folded sheet (12) with four pages is formed,
    b) the first folded sheet (12) is folded about a folding line (26) extending longitudinally in relation to the feed conveying direction (30), whereby a second folded sheet (13) with eight pages is formed,
    c) the second folded sheet (13) is folded about a folding line (27a,27b), whereby a third folded sheet (14) with sixteen pages is formed,
    characterised in that
    the feed conveying direction remains unaltered in the method steps a) to c) and, to form the third folded sheet (14), the second folded sheet (13) is folded about a folding line (27a,27b) extending longitudinally in relation to the feed conveying direction (30).
  2. A method according to Claim 1, characterised in that
    d) the third folded sheet (14) is deflected in a further conveying direction which extends essentially at right angles to the feed conveying direction (30), and
    e) the third folded sheet (14) is folded about its centre line (22a,22b) extending longitudinally in relation to the further conveying direction, whereby a fourth folded sheet with 32 pages is formed.
  3. A method according to Claim 1 or 2, in which the third folded sheet (14) is pressed in the feed conveying direction (30) before it is deflected in the further conveying direction (31).
  4. A method according to Claim 1,2 or 3, in which perforations are formed in the sheet (11) along the folding lines (26,27a,27b) extending in the feed conveying direction (30).
  5. A method according to any one of the preceding Claims 2 to 4, in which a buckle folder (33) is used for the folding operation according to a), a respective plough folder (34a, 34b) is used for the folding according to b) and c), a deflecting table (36) is used for the deflection according to d), and a blade folder (38) is used for the folding according to e).
  6. A method according to Claim 5, in which a structural element (34) is used which combines the two plough folders (34a, 34b).
  7. A method according to Claim 5 or 6, in which between the plough folder (34) and the deflecting table (36) a small press (35) is arranged, through which the third folded sheet (14) passes in the feed conveying direction (30).
  8. A method according to any one of the preceding Claims, characterised in that the longitudinal side of the sheet (11) extends transversely to the feed conveying direction.
EP03006152A 2003-03-18 2003-03-18 Sheet folding method to obtain an at least 16-pages folded sheet Revoked EP1460014B1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DE50308317T DE50308317D1 (en) 2003-03-18 2003-03-18 Method for folding a sheet into a folded sheet with at least 16 pages
EP03006152A EP1460014B1 (en) 2003-03-18 2003-03-18 Sheet folding method to obtain an at least 16-pages folded sheet
JP2004074907A JP2004338945A (en) 2003-03-18 2004-03-16 Method of folding sheet into folded sheet with minimum of 16 pages
US10/801,833 US20040185995A1 (en) 2003-03-18 2004-03-17 Method of folding a sheet into a folded sheet with a minimum of 16 sides

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP03006152A EP1460014B1 (en) 2003-03-18 2003-03-18 Sheet folding method to obtain an at least 16-pages folded sheet

Publications (2)

Publication Number Publication Date
EP1460014A1 EP1460014A1 (en) 2004-09-22
EP1460014B1 true EP1460014B1 (en) 2007-10-03

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Application Number Title Priority Date Filing Date
EP03006152A Revoked EP1460014B1 (en) 2003-03-18 2003-03-18 Sheet folding method to obtain an at least 16-pages folded sheet

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EP (1) EP1460014B1 (en)
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