EP1950159B1 - Method and device for manufacturing a stacked arrangement of flat objects - Google Patents

Method and device for manufacturing a stacked arrangement of flat objects Download PDF

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Publication number
EP1950159B1
EP1950159B1 EP07405351A EP07405351A EP1950159B1 EP 1950159 B1 EP1950159 B1 EP 1950159B1 EP 07405351 A EP07405351 A EP 07405351A EP 07405351 A EP07405351 A EP 07405351A EP 1950159 B1 EP1950159 B1 EP 1950159B1
Authority
EP
European Patent Office
Prior art keywords
stack
arrangement
flat objects
stacking
displacement
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.)
Not-in-force
Application number
EP07405351A
Other languages
German (de)
French (fr)
Other versions
EP1950159A1 (en
Inventor
Erwin Müller
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.)
Ferag AG
Original Assignee
Ferag AG
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 Ferag AG filed Critical Ferag AG
Publication of EP1950159A1 publication Critical patent/EP1950159A1/en
Application granted granted Critical
Publication of EP1950159B1 publication Critical patent/EP1950159B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B65H33/00Forming counted batches in delivery pile or stream of articles
    • B65H33/06Forming counted batches in delivery pile or stream of articles by displacing articles to define batches
    • B65H33/08Displacing whole batches, e.g. forming stepped piles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H31/00Pile receivers
    • B65H31/30Arrangements for removing completed piles
    • B65H31/3072Arrangements for removing completed piles by moving a surface supporting the pile of articles on edge, e.g. by using belts or carriages
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00Handling processes for sheets or webs
    • B65H2301/40Type of handling process
    • B65H2301/42Piling, depiling, handling piles
    • B65H2301/421Forming a pile
    • B65H2301/4214Forming a pile of articles on edge
    • B65H2301/42146Forming a pile of articles on edge by introducing articles from above
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00Handling processes for sheets or webs
    • B65H2301/40Type of handling process
    • B65H2301/42Piling, depiling, handling piles
    • B65H2301/421Forming a pile
    • B65H2301/4219Forming a pile forming a pile in which articles are offset from each other, e.g. forming stepped pile
    • B65H2301/42194Forming a pile forming a pile in which articles are offset from each other, e.g. forming stepped pile forming a pile in which articles are offset from each other in the delivery direction
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00Handling processes for sheets or webs
    • B65H2301/40Type of handling process
    • B65H2301/42Piling, depiling, handling piles
    • B65H2301/422Handling piles, sets or stacks of articles
    • B65H2301/4226Delivering, advancing piles
    • B65H2301/42265Delivering, advancing piles by moving the surface supporting the pile of articles on edge, e.g. conveyor or carriage
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2601/00Problem to be solved or advantage achieved
    • B65H2601/20Avoiding or preventing undesirable effects
    • B65H2601/25Damages to handled material
    • B65H2601/252Collapsing, e.g. of piles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00Handled material; Storage means
    • B65H2701/10Handled articles or webs
    • B65H2701/11Dimensional aspect of article or web
    • B65H2701/112Section geometry
    • B65H2701/1123Folded article or web
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00Handled material; Storage means
    • B65H2701/10Handled articles or webs
    • B65H2701/18Form of handled article or web
    • B65H2701/182Piled package
    • B65H2701/1826Arrangement of sheets
    • B65H2701/18265Ordered set of batches of articles
    • B65H2701/18266Ordered set of batches of articles wherein the batches are offset from each other, e.g. stepped pile
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2801/00Application field
    • B65H2801/81Packaging machines

Definitions

  • the invention is in the field of further processing of flat objects, in particular of printed products.
  • the invention relates to a method and a device according to the preambles of the corresponding independent claims, which method and apparatus are used for the production of stack-like arrangements.
  • the flat objects are arranged substantially parallel to each other and adjacent to each other.
  • Stacks of flat objects in particular of rectangular or square printed products, such as newspapers, magazines or brochures, are produced not only for the transport and shipping but also for temporary storage of the articles.
  • the format of all objects is substantially the same and they are aligned with each other, so that all their edges are on top of each other.
  • the stacks for shipping are known to have a stack height (stack width transverse to the areal extent of the printed products) which is similar to the lengths and widths of the printed products.
  • These stacks are strapped for their stabilization, for example, with a plastic tape and thereby also compressed and / or they are wrapped with a plastic film.
  • pile formations are common in which the stack height is much greater than the lengths and widths of Printed products and which are positioned during production and usually also during storage with approximately horizontal orientation of the stack height.
  • Such stacks have so-called end plates (eg wooden boards) for stabilization at their two ends and are usually strapped one or two times with a plastic band.
  • Cross stacks are advantageous wherever they are manually dismantled, because for a person who sells the print products one at a time or feeds them in sections to further processing (eg, a feeder), the extra labor required to turn every other stacking section is so that all printed products have the same orientation, negligible.
  • the handling of cross stacks becomes considerably more complicated. For this reason, it is still not customary in the field of further processing of printed products to use cross-stack-like formations for the temporary storage of subsequently to be singulated by machine.
  • the above-mentioned rods are not cross-stack but stacks in which all printed products are aligned the same.
  • the invention now has for its object to provide a method and an apparatus for producing a stacked arrangement of flat objects with an excellent edge, the excellent edge being different from the other edges in particular in that the edge region of the excellent edge is thicker than the areas of the other edges.
  • the stack-like arrangement should be at least as stable as corresponding cross stacks, but the objects in the stack-like arrangement are all aligned the same, that is, in such a way that the excellent edges are all arranged on the same stack side.
  • the flat objects all have the same orientation, that is, equal edges, in particular the excellent edges are for all items on the same stack side.
  • the articles are in sections transversely to the stacking height and transversely to the excellent edge so shifted or staggered arranged that project in alternating stacking section the excellent edges of the objects on one side of the stack or the edges opposite the excellent edges on the opposite stack side slightly.
  • the excellent edges of the articles are superimposed. But there are also stack sections with only one object conceivable.
  • the stacking sections of the stacked arrangement are thus arranged offset relative to each other, wherein the measure of the offset of the stacking sections relative to each other depends on the properties of the excellent edges, in particular the width across the excellent edge of an edge region in which a thickness difference is still stack-relevant.
  • the thickness of the stacking sections or the number of objects per section is dependent on the thickness difference between the area of the excellent edge and the other areas of the flat objects, wherein all sections of a stack can be the same thickness or different thicknesses.
  • Particularly advantageous are stacks, in which the stacking sections with thicker edge regions projecting from the stack are larger than the stacking sections, in which edge regions opposite the thicker edge regions project out of the stack.
  • the method and apparatus for producing the stack-type arrangement differ from known methods and apparatuses for producing stacks, in which all flat objects have a same orientation (no cross stacks), in that the articles are fed in sections transversely to the feedstock to the growing stack-like arrangement Stack height and transverse to the excellent edge are arranged offset relative to each other and that a correspondingly controlled movable displacement means is provided for the creation of this displacement.
  • the stack-like arrangement is particularly suitable for printed products with an edge that is distinguished by a greater thickness.
  • These are in particular once folded or twice folded printed products or stapled in a fold printed products, such as newspapers, magazines or brochures.
  • the magazines and brochures for example, consist of interfolded sheets and are stapled if necessary.
  • the newspapers are once folded (tabloid) or folded twice, with the excellent edge being the edge of the second fold.
  • Such printed products are usually rectangular or square, but this is not a requirement for the stack-like arrangement.
  • the stack-like arrangement is particularly suitable for stapled printed products, the folded edges have no stack relevant greater thickness, but in which the stapling by their additional thickness the Stacking negatively affected, that is the stack makes unstable or limits the possible stack height.
  • stack-like arrangements of rectangular printed products with a folding edge the area of which is thicker or has stapling thicker places than other areas, as well as methods and devices for their preparation will be described. It goes without saying that the same stack-like arrangements, methods and devices with other flat objects with an excellent edge, in particular an edge with an edge region which is thicker than other regions, are applicable.
  • FIG. 1 shows an example of a stack-like arrangement 1 of printed products 2, which substantially corresponds to a so-called rod.
  • the printed products 2 are rectangular.
  • the printed products 2 are all the same orientation in the stack-like arrangement 1, wherein all edges 3 (folding edges) which are distinguished by their greater thickness are directed towards the bottom (or towards the top).
  • the stack-like assembly 1 has a plurality of stacking sections 4 and 4 'with the printed products within each stacking section aligned with each other, but each second stacking section 4 is shifted across the stacking height H relative to the other stacking sections 4' such that the thicker edge regions 3 of each section 4 protrude from the stack-like arrangement, while for the other sections 4 ', the edge regions 3' opposite the thicker edge regions project.
  • the thicker edge regions in the stack-like arrangement are only partially adjacent to one another, they do not contribute fully to the stack height H and can thus not destabilize the arrangement as is the case in a known stack in which all printed products are aligned identically.
  • the stack-like arrangement according to FIG. 1 has at its two ends in a conventional manner end plates 6 and is strapped with a strapping.
  • the end plates do not have the same format as the printed products, as is the case for known stacks (bars), but are larger by the offset h of the stacking sections. This will prevent the on two opposite sides of the Arrangement protruding areas of the printed products are damaged by the strapping. But it is of course also possible not to apply the strapping in a plane parallel to the offset h of the stack sections, as shown in the FIG. 1 is shown, but perpendicular thereto (in FIG. 1 dash-dotted lines indicated), such that the strapping band spans over those staple sides from which none of the staple sections protrude. Also, a double cross strapping or an arrangement of two or more than two parallel strapping is conceivable.
  • FIG. 2 shows a side view of a section of the stack-like arrangement 1 according to FIG. 1 on a larger scale.
  • the stack-like arrangement 1 is shown on a conveying surface 10 (eg conveyor belt) on which the printed products are conveyed in a stacking direction S parallel to the stacking height in the production of the arrangement, wherein in the growing, stack-like arrangement the printed products 2 in alternation by the offset h are shifted against each other.
  • the printed products are supplied in a conventional manner, for example, as a scale flow with leading folding edges from above and parked on the conveying surface 10. For the displacement of the stacking sections relative to one another in the FIG.
  • stacking sections in the FIG. 2 illustrated, stack-like arrangement 1 are not all the same size.
  • the stacking sections 4 with protruding thicker edge regions 3 comprise more printed products than the stacking sections 4 ', of which the edge regions 3' opposite the thicker edge regions 3 project.
  • the stacking sections 4 advantageously comprise only so many products that their thickness corresponds approximately to the additional thickness of the thicker edge regions of a section 4, in other words such that the thicker edge regions of the printed products which directly adjoin the stacking section 4' on both sides have the smallest possible distance from one another have, therefore, essentially touch, as in the FIG. 2 is shown.
  • FIG. 3 shows an exemplary apparatus for producing stack-like arrangements according to FIG. 1 ,
  • the device corresponds to the displacement means in the publication EP-1523443 (or US-2005/0206063 ) described device. Their known parts are therefore described only very summarily for this reason. For details refer to the publication mentioned.
  • the device has a feed means 11, with the aid of which printed products are supplied, for example in a scale flow, to the conveying surface 10 moving in the stacking direction S and are advantageously set down with their thicker edge region on the conveyor base, where they form a stack-like arrangement 1 growing in the stacking direction S. ' form.
  • the device is advantageously equipped with an acceleration means, not shown, which ensures that the stack-like arrangement in the region of the feed point is relatively loose and only in a stacking direction spaced from the feed point acceleration point against a downstream counter-holder (not shown) are driven.
  • a stack pressure is generated, such that the stacked printed products can no longer move relative to each other, while the printed products between feed point and acceleration point still relatively loose follow each other and can still be aligned.
  • Discrete, stack-like arrangements 1 are separated from the growing and pressed arrangement and conveyed further in the stacking direction S. These stack-like arrangements 1 are provided at their end faces with end plates 6, for which a Plattenpositionierstoff 12 is provided. Then the stack-shaped arrangements 1 are strapped by means of a strapping band in a strapping station 13 and removed from the apparatus transversely to the stacking direction, wherein the strapping station is not a necessary part of the apparatus.
  • the device according to the invention has FIG. 3 in addition to a displacement means 15, with which the supplied printed products are deposited in successive sections alternately on the conveying surface 10 or by the intended offset h above.
  • Displacement means 15 shown has a circumferentially driven circulating member 16 (eg, chain or belt) on which at regular intervals before each other displacement elements 17 are arranged.
  • the length of the displacement elements 17 in the direction of rotation corresponds to the thickness of the sections 4 'to be created, the corresponding length of the distances between successive displacement elements 17 corresponds to the thickness of the sections 4 to be created.
  • the displacement means 15 is designed and arranged such that the displacement elements 17, for example in FIG a distance between two conveyor belts forming the conveyor surface 10 are moved over the conveyor surface at the same speed and direction as the conveyor surface 10 through the feed location and accompany the growing, stacked arrangement at least until immediately after the acceleration point.
  • the revolving member is arranged such that its upper level is approximately at the height of the conveying surface 10 and the displacement elements are dimensioned such that their surface facing away from the conveying surface 10 projects by the offset h above the conveying surface 10. All printed products that are placed on the conveying surface 10 form stacking sections 4, all printed products that are placed on the displacement elements 17 form stacking sections 4 '.
  • FIGS. 4 and 5 show further displacement means 15 which are suitable for a device for the production of stack-like arrangements, wherein for the production, the stacking direction S or the stack height is oriented approximately horizontally and the printed products are conveyed from above (feed direction Z) in the feed point, as in the device according to FIG. 3 the case is.
  • dislocation means 15 the growing stack-like arrangement can not go beyond the thickness of a section, they are better suited for devices in which the growing stack-like arrangement is pressed from the feed point, for devices, the above, from the Zu Installationsstelle spaced acceleration means according to the publication EP-1523443 (or US-2005/0206063 ) do not have.
  • the displacement means 15 in turn has a revolving driven circulating member 16 which is arranged for example between two conveying surfaces forming the conveyor surface 10 and the stepwise over two pulleys 20 and 21 runs, such that it runs in the conveying direction after the stage below the conveying surface 10 or at the same level and upstream of the step by the offset h above the conveying surface 10.
  • the two deflection rollers 20 and 21 are reciprocated by suitable means (not shown) parallel to the stacking direction S (arrows V and V '), such that the step itself optionally located behind the feed point or in the stacking direction S away from the feed point or the stacking direction S against this moves.
  • FIG. 4 shows the displacement means 15 in three successive stages of producing a stack-like arrangement: on the left in the creation of a section 4 '(printed products are placed on the stage, ie by the offset h on the conveying surface 10), while the pulleys 20 and 21 with move about the same speed as the conveying surface 10 in the stacking direction S (arrow V); then right just before you start creating one the section 4 'following section 4, before the pulleys are moved at an increased speed in the opposite direction (arrow V') behind the feed point; and finally at the bottom right during the production of a section 4 (printed products are placed on the conveying surface 10), during which the guide rollers 20 and 21 are stationarily positioned behind the feeding point.
  • the displacement means 15 according to FIG. 5 is similar to the dislocation agent according to FIG. 3 , but wherein the displacement elements 17 are not arranged on a rotating member but on a rotationally driven wheel 23.
  • the wheel 23 is arranged to rotate about an axis 24, wherein the axis 24 is arranged below the conveying surface 10 and extends transversely to the stacking direction S.
  • the wheel 23 has, for example, at its periphery evenly distributed four spaced-apart displacement elements 17, which protrude from the Radperipherie and have outer surfaces 18 which are approximately flat.
  • the wheel 23 is arranged, for example, at a distance between two conveyor belts forming the conveyor surface 10 such that an offset element 17, which is in the upper zenith of the wheel 23, projects beyond the conveyor surface 10 by the offset h and the periphery of the wheel 23 is below the conveyor belt 10 Conveying surface 10 is located when no displacement element 17 is positioned in the upper zenith of the wheel 23.
  • FIG. 6 shows that unlike those in the FIGS. 2 to 5 in which stacking preparations are shown with horizontally oriented stack height, it is also possible to produce stack-like arrangements with vertical stacking height.
  • a device used for this purpose (not according to the invention) has, like known devices for producing stacks with vertical stacking height, a stacking shaft 30 and a feeding means 11 for feeding printed products 2 against the upper, open end of the stacking shaft.
  • the feeding means 11, which is designed, for example, as a conveyor belt, guides the printed products 2 obliquely from above to a feed side 31 of the open upper end of the stacking shaft 30 and conveys them over the shaft opening from where they are moved to a stacking table 32 which is moved downwards during stacking or to printed products already stacked on the stacking table 32.
  • the feeding of the printed products is performed at a speed such that the printed products abut on the side opposite the feed side and thereby aligned on that side.
  • the distance between the feed side of the stacking shaft 30 and the opposite side by at least the offset h is greater than the corresponding dimension of the printed products.
  • a displacement means 15 reciprocating at the designated offset h is provided which, depending on the section (4 or 4 ') being stacked, is advanced into the stacking shaft 30 or retracted accordingly.
  • the displacement means 15 comprises two parts, a first part which is arranged on the feed side opposite side, and a second part which is arranged on the feed side, as shown in FIG FIG. 6 is shown.
  • FIG. 6 shows the device in three consecutive stages of batch production.
  • the printed products 2 are supplied, for example, with the folded edges in advance in a scale flow, in which the leading folding edges are at the top.
  • On the left is the beginning of the stacking with the stacking table 32 fully raised.
  • the displacement means 15 has moved back, the stacking section to be produced is a section 4 (in the case of stacking with leading folding edges).
  • the displacement means is moved into the stacking shaft, as shown to the right in FIG FIG. 6 is shown.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Pile Receivers (AREA)
  • Basic Packing Technique (AREA)
  • Stacking Of Articles And Auxiliary Devices (AREA)
  • Making Paper Articles (AREA)

Abstract

Stacking arrangement (1) comprises a number of stacked sections (4) each having one or more flat objects. The edges of the objects lie over each other in the stacked sections which are displaced relative to each other across the stacking height (H) and across the edges so that the edges protrude from the arrangement in alternating stacked sections. Independent claims are also included for the following: (1) Method for the production of a stacking arrangement; and (2) Device for producing the stacking arrangement. Preferred Features: End plates (6) are arranged on the front sides of the arrangement and have a shape and size which is larger than the shape and size of the flat objects.

Description

Die Erfindung liegt auf dem Gebiete der Weiterverarbeitung von flachen Gegenständen, insbesondere von Druckprodukten. Die Erfindung betrifft ein Verfahren und eine Vorrichtung nach den Oberbegriffen der entsprechenden, unabhängigen Patentansprüchen, wobei Verfahren und Vorrichtung zur Herstellung von stapelartigen Anordnungen dienen. In der stapelartigen Anordnung sind die flachen Gegenstände im wesentlichen parallel zueinander und aneinander anliegend angeordnet.The invention is in the field of further processing of flat objects, in particular of printed products. The invention relates to a method and a device according to the preambles of the corresponding independent claims, which method and apparatus are used for the production of stack-like arrangements. In the stack-like arrangement, the flat objects are arranged substantially parallel to each other and adjacent to each other.

Stapel von flachen Gegenständen, insbesondere von rechteckigen oder quadratischen Druckprodukten, wie Zeitungen, Zeitschriften oder Broschüren werden nicht nur für den Transport und den Versand sondern auch für Zwischenlagerungen der Gegenstände hergestellt. In den Stapeln ist das Format aller Gegenstände im wesentlichen gleich und sie liegen aufeinander ausgerichtet aneinander an, derart, dass alle ihre Kanten aufeinander liegen. Im Falle von Zeitungen und Zeitschriften haben die Stapel für den Versand bekannterweise eine Stapelhöhe (Stapelausdehnung quer zur flächigen Ausdehnung der Druckprodukte), die ähnlich gross ist wie die Längen und Breiten der Druckprodukte. Diese Stapel werden zu ihrer Stabilisierung beispielsweise mit einem Kunststoffband umreift und dabei auch zusammengepresst und/oder sie werden mit einer Kunststofffolie umhüllt. Für eine Zwischenlagerung von Druckprodukten z.B. von Beilagen, die zu einem ersten Zeitpunkt gedruckt und beispielsweise gefaltet und geheftet und zu einem zweiten, späteren Zeitpunkt einem anderen Druckprodukt beigegeben werden, sind Stapelformationen (auch Stangen genannt) üblich, in denen die Stapelhöhe wesentlich grösser ist als die Längen und Breiten der Druckprodukte und die bei der Herstellung und üblicherweise auch bei der Lagerung mit etwa horizontaler Ausrichtung der Stapelhöhe positioniert werden. Solche Stapel weisen zur Stabilisierung an ihren beiden Enden sogenannte Endplatten (z.B. Holzbrettchen) auf und sind üblicherweise mit einem Kunststoffband ein oder zwei mal umreift.Stacks of flat objects, in particular of rectangular or square printed products, such as newspapers, magazines or brochures, are produced not only for the transport and shipping but also for temporary storage of the articles. In the stacks, the format of all objects is substantially the same and they are aligned with each other, so that all their edges are on top of each other. In the case of newspapers and magazines, the stacks for shipping are known to have a stack height (stack width transverse to the areal extent of the printed products) which is similar to the lengths and widths of the printed products. These stacks are strapped for their stabilization, for example, with a plastic tape and thereby also compressed and / or they are wrapped with a plastic film. For temporary storage of printed products For example, of supplements that are printed at a first time and folded and stapled, for example, and added to another printed product at a later time, pile formations (also called rods) are common in which the stack height is much greater than the lengths and widths of Printed products and which are positioned during production and usually also during storage with approximately horizontal orientation of the stack height. Such stacks have so-called end plates (eg wooden boards) for stabilization at their two ends and are usually strapped one or two times with a plastic band.

Das Stapeln und Handhaben von Stapeln ist weitgehend unproblematisch, wenn die zu stapelnden Gegenstände über ihre ganze flächige Ausdehnung eine konstante Dicke haben. Wenn dies nicht der Fall ist, werden die Stapel schon bei geringer Stapelhöhe instabil und können auch durch Umreifung nicht mehr stabilisiert werden, zum Teil auch dann nicht mehr, wenn eine Umreifung mit einer hohen Spannung um den Stapel gelegt wird. Dieses Problem tritt insbesondere auf für gefaltete oder geheftete Druckprodukte, die einen Faltkantenbereich aufweisen, der relevant dicker ist als die restlichen Bereiche des Druckprodukts, insbesondere dicker als der Bereich der der Faltkante gegenüberliegenden Kante (Blume).The stacking and handling of stacks is largely unproblematic if the objects to be stacked have a constant thickness over their entire areal extent. If this is not the case, the stacks become unstable even at low stacking heights and can not be stabilized by strapping, sometimes even no longer, when a strapping with a high tension is placed around the stack. In particular, this problem arises for folded or stapled printed products which have a folded edge area which is significantly thicker than the remaining areas of the printed product, in particular thicker than the area of the edge opposite the fold edge (flower).

Zur Herstellung von Stapeln von Druckprodukten mit einem Kantenbereich, der eine grössere Dicke aufweist als die anderen Bereiche, also zum Beispiel von gefalteten oder gehefteten Druckprodukten werden bekannterweise die Druckprodukte von aufeinanderliegenden Stapelsektionen relativ zueinander um 180° um eine Stapelachse parallel zur Stapelhöhe gedreht, derart, dass die dickeren Kantenbereiche der Druckprodukte in einer Stapelsektion auf der einen Stapelseite und in den beiden benachbarten Stapelsektionen auf der gegenüberliegenden Stapelseite angeordnet sind. Dabei können die Stapelsektionen umso mehr Druckprodukte umfassen, je kleiner der Dickeunterschied zwischen dem Faltkantenbereich und anderen Bereichen der Druckprodukte sind. Die auf die genannte Weise erstellten Stapel werden Kreuzstapel genannt. Kreuzstapel von Druckprodukten mit einem dickeren Kantenbereich sind relevant stabiler als Stapel derselben Druckprodukte, in denen alle Druckprodukte gleich ausgerichtet sind, und können dadurch eine grössere Stapelhöhe aufweisen.For producing stacks of printed products with an edge region which has a greater thickness than the other regions, for example folded or stapled printed products, it is known to rotate the printed products of superimposed stacking sections relative to one another by 180 ° about a stack axis parallel to the stack height, in that the thicker edge regions of the printed products are arranged in a stacking section on the one stacking side and in the two adjacent stacking sections on the opposite stacking side. In this case, the smaller the difference in thickness between the fold edge region and other regions of the stack sections can include the more printed products Printed products are. The stacks created in this way are called cross stacks. Cross-piles of printed products with a thicker edge area are significantly more stable than piles of the same printed products, in which all printed products are aligned the same, and thus can have a greater stack height.

Kreuzstapel sind überall da vorteilhaft, wo sie von Hand abgebaut werden, denn für eine Person, die die Druckprodukte einzeln verkauft oder sektionenweise einer Weiterverarbeitung (z.B. einem Anleger) zuführt, ist der zusätzliche Arbeitsaufwand, der notwendig ist, um jede zweite Stapelsektion zu drehen, damit alle Druckprodukte dieselbe Ausrichtung haben, vernachlässigbar. Sollen die gestapelten Gegenstände aber für eine Weiterverarbeitung maschinell vereinzelt und der Weiterverarbeitung mit einer immer gleichen Orientierung zugeführt werden, wird die Handhabung von Kreuzstapeln bedeutend aufwendiger. Aus diesem Grunde ist es bis heute auf dem Gebiete der Weiterverarbeitung von Druckprodukten nicht üblich, für die Zwischenlagerung von nachher maschinell zu vereinzelnden Druckprodukten kreuzstapelähnliche Formationen zu verwenden. In der Regel sind die weiter oben genannten Stangen keine Kreuzstapel sondern Stapel, in denen alle Druckprodukte gleich ausgerichtet sind.Cross stacks are advantageous wherever they are manually dismantled, because for a person who sells the print products one at a time or feeds them in sections to further processing (eg, a feeder), the extra labor required to turn every other stacking section is so that all printed products have the same orientation, negligible. However, if the stacked objects are to be separated by machine for further processing and fed to further processing with the same orientation, the handling of cross stacks becomes considerably more complicated. For this reason, it is still not customary in the field of further processing of printed products to use cross-stack-like formations for the temporary storage of subsequently to be singulated by machine. In general, the above-mentioned rods are not cross-stack but stacks in which all printed products are aligned the same.

DE-A 1 761 487 , US 5,485,989 und US 6,398,204 offenbaren Verfahren und Vorrichtungen zur Stapelbildung, bei denen die Gegenstände im Stapel die gleiche Ausrichtung haben und sektionsweise parallel zur Auflagefläche versetzt sind. Bei horizontaler Auflagefläche liegt daher auch ein Versatz in horizontaler Richtung vor. DE-A 1 761 487 . US 5,485,989 and US 6,398,204 disclose methods and apparatus for stacking in which the articles in the stack have the same orientation and are offset in sections parallel to the support surface. For horizontal support surface is therefore also an offset in the horizontal direction.

Die Erfindung stellt sich nun die Aufgabe, ein Verfahren und eine Vorrichtung zur Herstellung einer stapelartigen Anordnung von flachen Gegenständen mit einer ausgezeichneten Kante zu schaffen, wobei die ausgezeichnete Kante sich von den anderen Kanten insbesondere dadurch unterscheidet, dass der Kantenbereich der ausgezeichneten Kante dicker ist als die Bereiche der anderen Kanten. Die stapelartige Anordnung soll mindestes so stabil sein wie entsprechende Kreuzstapel, wobei die Gegenstände in der , stapelartigen Anordnung aber alle gleich ausgerichtet sind, das heisst derart, dass die ausgezeichneten Kanten alle auf derselben Stapelseite angeordnet sind.The invention now has for its object to provide a method and an apparatus for producing a stacked arrangement of flat objects with an excellent edge, the excellent edge being different from the other edges in particular in that the edge region of the excellent edge is thicker than the areas of the other edges. The stack-like arrangement should be at least as stable as corresponding cross stacks, but the objects in the stack-like arrangement are all aligned the same, that is, in such a way that the excellent edges are all arranged on the same stack side.

Diese Aufgabe wird gelöst durch das Verfahren und die Vorrichtung zur Herstellung einer stapelartigen Anordnung von flachen Gegenständen wie sie in den Patentansprüchen definiert sind.This object is achieved by the method and the device for producing a stack-like arrangement of flat objects as defined in the patent claims.

In der stapelartigen Anordnung haben die flachen Gegenstände alle dieselbe Ausrichtung, das heisst, gleiche Kanten, insbesondere die ausgezeichneten Kanten liegen für alle Gegenstände auf der gleichen Stapelseite. Die Gegenstände sind aber quer zur Stapelhöhe und quer zur ausgezeichneten Kante sektionenweise derart gegeneinander verschoben oder versetzt angeordnet, dass in alternierenden Stapelsektion die ausgezeichneten Kanten der Gegenstände auf der einen Stapelseite oder die den ausgezeichneten Kanten gegenüberliegenden Kanten auf der gegenüberliegenden Stapelseite leicht vorstehen. Innerhalb der Stapelsektionen liegen die ausgezeichneten Kanten der Gegenstände aufeinander, wenn die Sektion eine Mehrzahl von Gegenständen aufweist. Es sind aber auch Stapelsektionen mit nur einem Gegenstand denkbar.In the stack-like arrangement, the flat objects all have the same orientation, that is, equal edges, in particular the excellent edges are for all items on the same stack side. However, the articles are in sections transversely to the stacking height and transversely to the excellent edge so shifted or staggered arranged that project in alternating stacking section the excellent edges of the objects on one side of the stack or the edges opposite the excellent edges on the opposite stack side slightly. Within the stacking sections, when the section has a plurality of articles, the excellent edges of the articles are superimposed. But there are also stack sections with only one object conceivable.

Die Stapelsektionen der stapelartigen Anordnung sind also relativ zueinander versetzt angeordnet, wobei das Mass des Versatzes der Stapelsektionen relativ zueinander abhängig ist von den Eigenschaften der ausgezeichneten Kanten, insbesondere von der Breite quer zur ausgezeichneten Kante eines Kantenbereichs, in dem ein Dickenunterschied noch stapelrelevant ist. Die Dicke der Stapelsektionen bzw. die Anzahl von Gegenständen pro Sektion ist abhängig vom Dikkenunterschied zwischen dem Bereich der ausgezeichneten Kante und den anderen Bereichen der flachen Gegenstände, wobei alle Sektionen eines Stapels gleich dick sein oder verschiedene Dicken aufweisen können. Insbesondere vorteilhaft sind Stapel, in denen die Stapelsektionen mit aus dem Stapel vorstehenden, dickeren Kantenbereichen grösser sind als die Stapelsektionen, in denen den dickeren Kantenbereichen gegenüberliegende Kantenbereiche aus dem Stapel vorstehen.The stacking sections of the stacked arrangement are thus arranged offset relative to each other, wherein the measure of the offset of the stacking sections relative to each other depends on the properties of the excellent edges, in particular the width across the excellent edge of an edge region in which a thickness difference is still stack-relevant. The thickness of the stacking sections or the number of objects per section is dependent on the thickness difference between the area of the excellent edge and the other areas of the flat objects, wherein all sections of a stack can be the same thickness or different thicknesses. Particularly advantageous are stacks, in which the stacking sections with thicker edge regions projecting from the stack are larger than the stacking sections, in which edge regions opposite the thicker edge regions project out of the stack.

Verfahren und Vorrichtung zur Herstellung der stapelartigen Anordnung unterscheiden sich von bekannten Verfahren und Vorrichtungen zur Herstellung von Stapeln, in denen alle flachen Gegenstände eine gleiche Orientierung (keine Kreuzstapel) haben, dadurch, dass die Gegenstände bei der Zuführung zu der wachsenden stapelartigen Anordnung sektionenweise quer zur Stapelhöhe und quer zur ausgezeichneten Kante relativ zueinander versetzt angeordnet werden und dass für die Erstellung dieser Versetzung ein entsprechend gesteuert bewegliches Versetzungsmittel vorgesehen wird.The method and apparatus for producing the stack-type arrangement differ from known methods and apparatuses for producing stacks, in which all flat objects have a same orientation (no cross stacks), in that the articles are fed in sections transversely to the feedstock to the growing stack-like arrangement Stack height and transverse to the excellent edge are arranged offset relative to each other and that a correspondingly controlled movable displacement means is provided for the creation of this displacement.

Die stapelartige Anordnung eignet sich insbesondere für Druckprodukte mit einer durch eine grössere Dicke ausgezeichneten Kante. Dies sind insbesondere einmal gefaltete oder zweimal gefaltete Druckprodukte oder in einem Falz geheftete Druckprodukte, also beispielsweise Zeitungen, Zeitschriften oder Broschüren. Die Zeitschriften und Broschüren bestehen beispielsweise aus ineinandergefalteten Bogen und sind gegebenenfalls geheftet. Die Zeitungen sind einmal gefaltet (Tabloid) oder zweimal gefaltet, wobei die ausgezeichnete Kante die Kante des zweiten Falzes ist. Solche Druckprodukte sind üblicherweise rechteckig oder quadratisch, was aber keine Bedingung für die stapelartige Anordnung ist.The stack-like arrangement is particularly suitable for printed products with an edge that is distinguished by a greater thickness. These are in particular once folded or twice folded printed products or stapled in a fold printed products, such as newspapers, magazines or brochures. The magazines and brochures, for example, consist of interfolded sheets and are stapled if necessary. The newspapers are once folded (tabloid) or folded twice, with the excellent edge being the edge of the second fold. Such printed products are usually rectangular or square, but this is not a requirement for the stack-like arrangement.

Es zeigt sich, dass die stapelartige Anordnung insbesondere geeignet ist für geheftete Druckprodukte, deren Falzkanten an sich keine stapelrelevant grössere Dicke haben, in denen aber die Heftung durch ihre zusätzliche Dicke die Stapelung negativ beeinflusst, das heisst die Stapel instabil macht bzw. die mögliche Stapelhöhe begrenzt.It turns out that the stack-like arrangement is particularly suitable for stapled printed products, the folded edges have no stack relevant greater thickness, but in which the stapling by their additional thickness the Stacking negatively affected, that is the stack makes unstable or limits the possible stack height.

Beispielhafte Ausführungsformen der stapelartigen Anordnung von flachen Gegenständen sowie des Verfahrens und der Vorrichtung zu deren Herstellung werden anhand der folgenden Figuren im Detail beschrieben. Dabei zeigen:

Figur 1
eine stapelartige Anordnung von rechteckigen Druckprodukten, welche Anordnung Endplatten aufweist und mit einem Umreifungsband umreift ist;
Figur 2
einen Ausschnitt aus der stapelartigen Anordnung gemäss Figur 1 in einem grösseren Massstab und quer zum Versatz der Stapelsektionen gesehen;
Figur 3
eine beispielhafte Ausführungsform der Vorrichtung zur Herstellung der stapelartigen Anordnung gemäss Fig. 1;
Figuren 4, 5
zwei beispielhafte Ausführungsformen von Versetzungsmitteln, die sich für die Vorrichtung gemäss Figur 3 eignen;
Figur 6
eine nicht erfindungsgemässe Ausführungsform der Vorrichtung zur Herstellung von stapelartigen Anordnungen.
Exemplary embodiments of the stacked arrangement of flat objects and of the method and apparatus for their manufacture will be described in detail with reference to the following figures. Showing:
FIG. 1
a stacked array of rectangular printed products having array end plates and strapped with a strapping band;
FIG. 2
a section of the stack-like arrangement according to FIG. 1 seen on a larger scale and across the offset of the stacking sections;
FIG. 3
an exemplary embodiment of the apparatus for producing the stack-like arrangement according to Fig. 1 ;
FIGS. 4, 5
two exemplary embodiments of displacement means, which are suitable for the device according to FIG. 3 suitable;
FIG. 6
a non-inventive embodiment of the apparatus for producing stack-like arrangements.

Im Folgenden werden stapelartige Anordnungen von rechteckigen Druckprodukten mit einer Faltkante, deren Bereich dicker ist oder durch eine Heftung dickere Stellen aufweist als andere Bereiche, sowie Verfahren und Vorrichtungen zu deren Herstellung beschrieben. Dabei versteht es sich von selbst, dass die gleichen stapelartigen Anordnungen, Verfahren und Vorrichtungen auch für andere flache Gegenstände mit einer ausgezeichneten Kante, insbesondere einer Kante mit einem Kantenbereich der dicker ist als andere Bereiche, anwendbar sind.In the following, stack-like arrangements of rectangular printed products with a folding edge, the area of which is thicker or has stapling thicker places than other areas, as well as methods and devices for their preparation will be described. It goes without saying that the same stack-like arrangements, methods and devices with other flat objects with an excellent edge, in particular an edge with an edge region which is thicker than other regions, are applicable.

Figur 1 zeigt ein Beispiel einer stapelartigen Anordnung 1 von Druckprodukten 2, die im wesentlichen einer sogenannten Stange entspricht. Die Druckprodukte 2 sind rechteckig. Es sind beispielsweise zwei mal gefaltete Zeitungen oder geheftete Hefte (Zeitschriften oder Broschüren). Die Druckprodukte 2 sind in der stapelartigen Anordnung 1 alle gleich orientiert, wobei alle durch ihre grössere Dicke ausgezeichneten Kanten 3 (Faltkanten) gegen unten (oder gegen oben) gerichtet sind. Die stapelartige Anordnung 1 weist eine Mehrzahl von Stapelsektionen 4 und 4' auf, wobei die Druckprodukte innerhalb jeder Stapelsektion aufeinander ausgerichtet sind, wobei aber jede zweite Stapelsektion 4 quer zur Stapelhöhe H relativ zu den anderen Stapelsektionen 4' derart verschoben sind, dass die dickeren Kantenbereiche 3 jeder Sektion 4 aus der stapelartigen Anordnung vorstehen, während für die anderen Sektionen 4' die den dickeren Kantenbereichen gegenüberliegenden Kantenbereiche 3' vorstehen. FIG. 1 shows an example of a stack-like arrangement 1 of printed products 2, which substantially corresponds to a so-called rod. The printed products 2 are rectangular. For example, there are two folded newspapers or stapled magazines (magazines or brochures). The printed products 2 are all the same orientation in the stack-like arrangement 1, wherein all edges 3 (folding edges) which are distinguished by their greater thickness are directed towards the bottom (or towards the top). The stack-like assembly 1 has a plurality of stacking sections 4 and 4 'with the printed products within each stacking section aligned with each other, but each second stacking section 4 is shifted across the stacking height H relative to the other stacking sections 4' such that the thicker edge regions 3 of each section 4 protrude from the stack-like arrangement, while for the other sections 4 ', the edge regions 3' opposite the thicker edge regions project.

Da in der stapelartigen Anordnung die dickeren Kantebereiche nur teilweise aufeinander liegen, tragen sie nicht vollumfänglich zur Stapelhöhe H bei und können dadurch die Anordnung nicht derart destabilisieren, wie dies in einem bekannten Stapel, in dem alle Druckprodukte gleich ausgerichtet sind, der Fall ist.Since the thicker edge regions in the stack-like arrangement are only partially adjacent to one another, they do not contribute fully to the stack height H and can thus not destabilize the arrangement as is the case in a known stack in which all printed products are aligned identically.

Die stapelartige Anordnung gemäss Figur 1 weist an ihren beiden Enden in an sich bekannter Art Endplatten 6 auf und ist mit einem Umreifungsband umreift. Die Endplatten haben nicht wie für bekannte derartige Stapel (Stangen) dasselbe Format wie die Druckprodukte sondern sind um den Versatz h der Stapelsektionen grösser. Dadurch wird verhindert, dass die auf zwei einander gegenüberliegenden Seiten der Anordnung vorstehenden Bereiche der Druckprodukte durch das Umreifungsband beschädigt werden. Es ist aber selbstverständlich auch möglich, das Umreifungsband nicht in einer Ebene parallel zum Versatz h der Stapelsektionen anzulegen, wie dies in der Figur 1 dargestellt ist, sondern senkrecht dazu (in Figur 1 strichpunktiert angedeutet), derart, dass das Umreifungsband sich über diejenigen Stapelseiten spannt, aus denen keine der Stapelsektionen vorstehen. Auch eine kreuzweise doppelte Umreifung oder eine Anordnung von zwei oder mehr als zwei parallelen Umreifungen ist denkbar.The stack-like arrangement according to FIG. 1 has at its two ends in a conventional manner end plates 6 and is strapped with a strapping. The end plates do not have the same format as the printed products, as is the case for known stacks (bars), but are larger by the offset h of the stacking sections. This will prevent the on two opposite sides of the Arrangement protruding areas of the printed products are damaged by the strapping. But it is of course also possible not to apply the strapping in a plane parallel to the offset h of the stack sections, as shown in the FIG. 1 is shown, but perpendicular thereto (in FIG. 1 dash-dotted lines indicated), such that the strapping band spans over those staple sides from which none of the staple sections protrude. Also, a double cross strapping or an arrangement of two or more than two parallel strapping is conceivable.

Figur 2 zeigt eine Seitenansicht eines Ausschnittes aus der stapelartigen Anordnung 1 gemäss Figur 1 in einem grösseren Massstab. Die stapelartige Anordnung 1 ist dargestellt auf einer Förderfläche 10 (z.B. Förderband), auf der bei der Herstellung der Anordnung die Druckprodukte in einer Stapelrichtung S parallel zur Stapelhöhe gefördert werden, wobei in der wachsenden, stapelartigen Anordnung die Druckprodukte 2 in alternierend um den Versatz h gegeneinander verschoben sind. In einer in der Figur 2 nicht dargestellten Zuführungsstelle werden die Druckprodukte in an sich bekannter Weise beispielsweise als Schuppenstrom mit vorlaufenden Faltkanten von oben zugeführt und auf der Förderfläche 10 abgestellt. Für die Verschiebung der Stapelsektionen relativ zueinander wird ein in der Figur 2 nicht dargestelltes entsprechend angesteuertes Versetzungsmittel verwendet, mit dessen Hilfe die Stapelsektionen 4 und 4' alternierend direkt auf der Förderfläche 10 oder um den Versatz h über der Förderfläche auf einem entsprechend geformten Teil des Versetzungsmittels abgestellt werden. Beispielhafte Ausführungsformen von Versetzungsmitteln werden im Zusammenhang mit den Figuren 3 bis 6 beschrieben. FIG. 2 shows a side view of a section of the stack-like arrangement 1 according to FIG. 1 on a larger scale. The stack-like arrangement 1 is shown on a conveying surface 10 (eg conveyor belt) on which the printed products are conveyed in a stacking direction S parallel to the stacking height in the production of the arrangement, wherein in the growing, stack-like arrangement the printed products 2 in alternation by the offset h are shifted against each other. In one in the FIG. 2 Not shown feeding point, the printed products are supplied in a conventional manner, for example, as a scale flow with leading folding edges from above and parked on the conveying surface 10. For the displacement of the stacking sections relative to one another in the FIG. 2 not shown accordingly controlled Versetzungsmittel used, with the aid of the stacking sections 4 and 4 'are alternately parked directly on the conveying surface 10 or the offset h on the conveying surface on a correspondingly shaped part of the displacement means. Exemplary embodiments of dislocation agents are described in connection with FIGS FIGS. 3 to 6 described.

Die Stapelsektionen der in der Figur 2 dargestellten, stapelartigen Anordnung 1 sind nicht alle gleich gross. Die Stapelsektionen 4 mit vorstehenden dickeren Kantenbereichen 3 umfassen mehr Druckprodukte als die Stapelsektionen 4', von denen die den dickeren Kantenbereichen 3 gegenüberliegenden Kantenbereiche 3' vorstehen.The stacking sections in the FIG. 2 illustrated, stack-like arrangement 1 are not all the same size. The stacking sections 4 with protruding thicker edge regions 3 comprise more printed products than the stacking sections 4 ', of which the edge regions 3' opposite the thicker edge regions 3 project.

Die Stapelsektionen 4' umfassen vorteilhafterweise nur so viele Produkte, dass ihre Dicke etwa der zusätzlichen Dicke der dickeren Kantenbereiche einer Sektion 4 entspricht, derart also, dass die dickeren Kantenbereiche der Druckprodukte, die beidseitig unmittelbar an die Stapelsektion 4' anschliessen, einen kleinstmöglichen Abstand voneinander haben, sich also im wesentlichen berühren, wie dies in der Figur 2 dargestellt ist.The stacking sections 4 'advantageously comprise only so many products that their thickness corresponds approximately to the additional thickness of the thicker edge regions of a section 4, in other words such that the thicker edge regions of the printed products which directly adjoin the stacking section 4' on both sides have the smallest possible distance from one another have, therefore, essentially touch, as in the FIG. 2 is shown.

Figur 3 zeigt eine beispielhafte Vorrichtung zur Herstellung von stapelartigen Anordnungen gemäss Figur 1. Die Vorrichtung entspricht bis auf das Versetzungsmittel der in der Publikation EP-1523443 (oder US-2005/0206063 ) beschriebenen Vorrichtung. Ihre bekannten Teile werden aus diesem Grunde hier nur sehr summarisch beschrieben. Für Details sei auf die genannte Publikation verwiesen. FIG. 3 shows an exemplary apparatus for producing stack-like arrangements according to FIG. 1 , The device corresponds to the displacement means in the publication EP-1523443 (or US-2005/0206063 ) described device. Their known parts are therefore described only very summarily for this reason. For details refer to the publication mentioned.

Die Vorrichtung weist ein Zuführungsmittel 11 auf, mit dessen Hilfe Druckprodukte beispielsweise in einem Schuppenstrom auf die sich in Stapelrichtung S bewegende Förderfläche 10 zugeführt und vorteilhafterweise mit ihrem dickeren Kantenbereich voran auf der Förderunterlage abgestellt werden, wo sie eine in Stapelrichtung S wachsende, stapelartige Anordnung 1' bilden. Die Vorrichtung ist vorteilhafterweise mit einem nicht dargestellten Beschleunigungsmittel ausgestattet, das dafür sorgt, dass die stapelartige Anordnung im Bereiche der Zuführungsstelle relativ locker ist und erst in einer in Stapelrichtung von der Zuführungsstelle beabstandeten Beschleunigungsstelle gegen einen stromabwärts angeordneten Gegenhalter (nicht dargestellt) getrieben werden. Dadurch wird eine Stapelpressung erzeugt, derart, dass sich die gestapelten Druckprodukte nicht mehr relativ zueinander bewegen können, während die Druckprodukte zwischen Zuführungsstelle und Beschleunigungsstelle noch relativ locker aufeinander folgen und dadurch noch ausgerichtet werden können. Von der wachsenden und gepressten Anordnung werden diskrete, stapelartige Anordnungen 1 abgetrennt und in Stapelrichtung S weiter gefördert. Diese stapelartigen Anordnungen 1 werden an ihren Stirnseiten mit Endplatten 6 versehen, wofür ein Plattenpositioniermittel 12 vorgesehen ist. Dann werden die stapelförmigen Anordnungen 1 mit Hilfe eines Umreifungsbandes in einer Umreifungsstation 13 umreift und quer zur Stapelrichtung aus der Vorrichtung entnommen, wobei die Umreifungsstation kein notwendiger Bestandteil der Vorrichtung ist.The device has a feed means 11, with the aid of which printed products are supplied, for example in a scale flow, to the conveying surface 10 moving in the stacking direction S and are advantageously set down with their thicker edge region on the conveyor base, where they form a stack-like arrangement 1 growing in the stacking direction S. ' form. The device is advantageously equipped with an acceleration means, not shown, which ensures that the stack-like arrangement in the region of the feed point is relatively loose and only in a stacking direction spaced from the feed point acceleration point against a downstream counter-holder (not shown) are driven. As a result, a stack pressure is generated, such that the stacked printed products can no longer move relative to each other, while the printed products between feed point and acceleration point still relatively loose follow each other and can still be aligned. Discrete, stack-like arrangements 1 are separated from the growing and pressed arrangement and conveyed further in the stacking direction S. These stack-like arrangements 1 are provided at their end faces with end plates 6, for which a Plattenpositioniermittel 12 is provided. Then the stack-shaped arrangements 1 are strapped by means of a strapping band in a strapping station 13 and removed from the apparatus transversely to the stacking direction, wherein the strapping station is not a necessary part of the apparatus.

Im Unterschied zu der aus der oben genannten Publikation bekannten Vorrichtung weist die erfindungsgemässe Vorrichtung gemäss Figur 3 zusätzlich ein Versetzungsmittel 15 auf, mit dem die zugeführten Druckprodukte in aufeinanderfolgenden Sektionen abwechselnd auf der Förderfläche 10 oder um den vorgesehenen Versatz h darüber abgestellt werden.In contrast to the device known from the publication mentioned above, the device according to the invention has FIG. 3 in addition to a displacement means 15, with which the supplied printed products are deposited in successive sections alternately on the conveying surface 10 or by the intended offset h above.

Das in der Figur 3 dargestellte Versetzungsmittel 15 weist ein umlaufend angetriebenes Umlauforgan 16 (z.B. Kette oder Riemen) auf, an dem in regelmässigen Abständen voreinander Versetzungselemente 17 angeordnet sind. Die Länge der Versetzungselemente 17 in Umlaufrichtung entspricht der zu erstellenden Dicke der Sektionen 4', die entsprechende Länge der Abstände zwischen aufeinanderfolgenden Versetzungselementen 17 entspricht der zu erstellenden Dicke der Sektionen 4. Das Versetzungsmittel 15 ist derart ausgestaltet und angeordnet, dass die Versetzungselemente 17 beispielsweise in einem Abstand zwischen zwei die Förderfläche 10 bildenden Förderbändern über die Förderfläche vorstehend mit derselben Geschwindigkeit und Richtung wie die Förderfläche 10 durch die Zuführungsstelle bewegt werden und die wachsende, stapelartige Anordnung mindestens bis unmittelbar nach der Beschleunigungsstelle begleiten. Dabei ist das Umlauforgan derart angeordnet, dass sein oberes Niveau etwa auf der Höhe der Förderfläche 10 ist und die Versetzungselemente sind derart dimensioniert, dass ihre von der Förderfläche 10 weg weisende Oberfläche um den Versatz h über der Förderfläche 10 ragt. Alle Druckprodukte, die auf der Förderfläche 10 abgestellt werden, bilden Stapelsektionen 4, alle Druckprodukte, die auf den Versetzungselementen 17 abgestellt werden, bilden Stapelsektionen 4'.That in the FIG. 3 Displacement means 15 shown has a circumferentially driven circulating member 16 (eg, chain or belt) on which at regular intervals before each other displacement elements 17 are arranged. The length of the displacement elements 17 in the direction of rotation corresponds to the thickness of the sections 4 'to be created, the corresponding length of the distances between successive displacement elements 17 corresponds to the thickness of the sections 4 to be created. The displacement means 15 is designed and arranged such that the displacement elements 17, for example in FIG a distance between two conveyor belts forming the conveyor surface 10 are moved over the conveyor surface at the same speed and direction as the conveyor surface 10 through the feed location and accompany the growing, stacked arrangement at least until immediately after the acceleration point. In this case, the revolving member is arranged such that its upper level is approximately at the height of the conveying surface 10 and the displacement elements are dimensioned such that their surface facing away from the conveying surface 10 projects by the offset h above the conveying surface 10. All printed products that are placed on the conveying surface 10 form stacking sections 4, all printed products that are placed on the displacement elements 17 form stacking sections 4 '.

Figuren 4 und 5 zeigen weitere Versetzungsmittel 15 die sich für eine Vorrichtung zur Herstellung von stapelartigen Anordnungen eignen, wobei für die Herstellung die Stapelrichtung S bzw. die Stapelhöhe etwa horizontal ausgerichtet ist und die Druckprodukte von oben (Zuführungsrichtung Z) in die Zuführungsstelle gefördert werden, wie dies auch in der Vorrichtung gemäss Figur 3 der Fall ist. Da die in den Figuren 4 und 5 dargestellten Versetzungsmittel 15 die wachsende, stapelartige Anordnung nicht weiter als um die Dicke einer Sektion begleiten können, eignen sie sich besser für Vorrichtungen, in denen die wachsende stapelartige Anordnung von der Zuführungsstelle an gepresst ist, für Vorrichtungen also, die die oben genannten, von der Zuführungsstelle beabstandeten Beschleunigungsmittel gemäss Publikation EP-1523443 (oder US-2005/0206063 ) nicht aufweisen. FIGS. 4 and 5 show further displacement means 15 which are suitable for a device for the production of stack-like arrangements, wherein for the production, the stacking direction S or the stack height is oriented approximately horizontally and the printed products are conveyed from above (feed direction Z) in the feed point, as in the device according to FIG. 3 the case is. Since the in the FIGS. 4 and 5 shown dislocation means 15, the growing stack-like arrangement can not go beyond the thickness of a section, they are better suited for devices in which the growing stack-like arrangement is pressed from the feed point, for devices, the above, from the Zuführungsstelle spaced acceleration means according to the publication EP-1523443 (or US-2005/0206063 ) do not have.

Das Versetzungsmittel 15 gemäss Figur 4 weist wiederum ein umlaufend angetriebenes Umlauforgan 16 auf, das beispielsweise zwischen zwei die Förderfläche 10 bildenden Förderbändern angeordnet ist und das stufenartig über zwei Umlenkrollen 20 und 21 läuft, derart, dass es in Förderrichtung nach der Stufe unterhalb der Förderfläche 10 oder auf gleichem Niveau verläuft und stromaufwärts von der Stufe um den Versatz h über der Förderfläche 10. Die beiden Umlenkrollen 20 und 21 sind mit geeigneten Mitteln (nicht dargestellt) miteinander parallel zur Stapelrichtung S hin und her bewegbar (Pfeile V und V'), derart, dass die Stufe sich wahlweise hinter der Zuführungsstelle befindet oder sich in Stapelrichtung S von der Zuführungsstelle weg oder der Stapelrichtung S entgegengesetzt gegen diese bewegt.The displacement means 15 according to FIG. 4 in turn has a revolving driven circulating member 16 which is arranged for example between two conveying surfaces forming the conveyor surface 10 and the stepwise over two pulleys 20 and 21 runs, such that it runs in the conveying direction after the stage below the conveying surface 10 or at the same level and upstream of the step by the offset h above the conveying surface 10. The two deflection rollers 20 and 21 are reciprocated by suitable means (not shown) parallel to the stacking direction S (arrows V and V '), such that the step itself optionally located behind the feed point or in the stacking direction S away from the feed point or the stacking direction S against this moves.

Figur 4 zeigt das Versetzungsmittel 15 in drei aufeinanderfolgenden Stadien der Herstellung einer stapelartigen Anordnung: links bei der Erstellung einer Sektion 4' (Druckprodukte werden auf der Stufe, also um den Versatz h über der Förderfläche 10 abgestellt), während der die Umlenkrollen 20 und 21 sich mit etwa der gleichen Geschwindigkeit wie die Förderfläche 10 in Stapelrichtung S bewegen (Pfeil V); dann rechts unmittelbar vor dem Beginn der Erstellung einer auf die Sektion 4' folgende Sektion 4, vor der die Umlenkrollen mit einer erhöhten Geschwindigkeit in entgegengesetzter Richtung (Pfeil V') hinter die Zuführungsstelle bewegt werden; und zuletzt rechts unten während der Herstellung einer Sektion 4 (Druckprodukte werden auf der Förderfläche 10 abgestellt), während der die Unlenkrollen 20 und 21 stationär hinter der Zuführungsstelle positioniert sind. FIG. 4 shows the displacement means 15 in three successive stages of producing a stack-like arrangement: on the left in the creation of a section 4 '(printed products are placed on the stage, ie by the offset h on the conveying surface 10), while the pulleys 20 and 21 with move about the same speed as the conveying surface 10 in the stacking direction S (arrow V); then right just before you start creating one the section 4 'following section 4, before the pulleys are moved at an increased speed in the opposite direction (arrow V') behind the feed point; and finally at the bottom right during the production of a section 4 (printed products are placed on the conveying surface 10), during which the guide rollers 20 and 21 are stationarily positioned behind the feeding point.

Das Versetzungsmittel 15 gemäss Figur 5 ist ähnlich wie das Versetzungsmittel gemäss Figur 3, wobei aber die Versetzungselemente 17 nicht an einem umlaufenden Organ sondern an einem rotierend angetriebenen Rad 23 angeordnet sind. Das Rad 23 ist um eine Achse 24 rotierend angeordnet, wobei die Achse 24 unterhalb der Förderfläche 10 angeordnet ist und quer zur Stapelrichtung S verläuft. Das Rad 23 weist beispielsweise an seiner Peripherie gleichmässig verteilt vier voneinander beabstandete Versetzungselemente 17 auf, die von der Radperipherie vorstehen und äussere Oberflächen 18 aufweisen, die etwa eben sind. Das Rad 23 ist beispielsweise in einem Abstand zwischen zwei die Förderfläche 10 bildenden Förderbändern derart angeordnet, dass ein Versetzungselement 17, das im oberen Zenith des Rades 23 steht, um den Versatz h über die Förderfläche 10 vorsteht und dass die Peripherie des Rades 23 unter der Förderfläche 10 liegt, wenn kein Versetzungselement 17 im oberen Zenith des Rades 23 positioniert ist.The displacement means 15 according to FIG. 5 is similar to the dislocation agent according to FIG. 3 , but wherein the displacement elements 17 are not arranged on a rotating member but on a rotationally driven wheel 23. The wheel 23 is arranged to rotate about an axis 24, wherein the axis 24 is arranged below the conveying surface 10 and extends transversely to the stacking direction S. The wheel 23 has, for example, at its periphery evenly distributed four spaced-apart displacement elements 17, which protrude from the Radperipherie and have outer surfaces 18 which are approximately flat. The wheel 23 is arranged, for example, at a distance between two conveyor belts forming the conveyor surface 10 such that an offset element 17, which is in the upper zenith of the wheel 23, projects beyond the conveyor surface 10 by the offset h and the periphery of the wheel 23 is below the conveyor belt 10 Conveying surface 10 is located when no displacement element 17 is positioned in the upper zenith of the wheel 23.

Figur 6 zeigt, dass es im Gegensatz zu den in den Figuren 2 bis 5, in denen Stapelherstellungen mit horizontal ausgerichteter Stapelhöhe dargestellt sind, auch möglich ist, stapelartige Anordnungen mit vertikaler Stapelhöhe herzustellen. Eine dafür verwendete (nicht erfindungsgemässe) Vorrichtung weist, wie bekannte Vorrichtungen zur Herstellung von Stapeln mit vertikaler Stapelhöhe, einen Stapelschacht 30 auf und ein Zuführungsmittel 11 zur Zuführung von Druckprodukten 2 gegen das obere, offene Ende des Stapelschachtes. Das Zuführungsmittel 11, das beispielsweise als Förderband ausgebildet ist, führt die Druckprodukte 2 von schräg oben zu einer Zuführungsseite 31 des offenen oberen Endes des Stapelschachts 30 und fördert sie über die Schachtöffnung, von wo sie auf einen während der Stapelung gegen unten bewegten Stapeltisch 32 oder auf bereits auf dem Stapeltisch 32 gestapelte Druckprodukte bewegt werden. Die Zuführung der Druckprodukte wird mit einer Geschwindigkeit durchgeführt, derart, dass die Druckprodukte an der der Zuführungsseite gegenüberliegenden Seite anschlagen und dadurch an dieser Seite ausgerichtet werden. FIG. 6 shows that unlike those in the FIGS. 2 to 5 in which stacking preparations are shown with horizontally oriented stack height, it is also possible to produce stack-like arrangements with vertical stacking height. A device used for this purpose (not according to the invention) has, like known devices for producing stacks with vertical stacking height, a stacking shaft 30 and a feeding means 11 for feeding printed products 2 against the upper, open end of the stacking shaft. The feeding means 11, which is designed, for example, as a conveyor belt, guides the printed products 2 obliquely from above to a feed side 31 of the open upper end of the stacking shaft 30 and conveys them over the shaft opening from where they are moved to a stacking table 32 which is moved downwards during stacking or to printed products already stacked on the stacking table 32. The feeding of the printed products is performed at a speed such that the printed products abut on the side opposite the feed side and thereby aligned on that side.

Zur Herstellung von stapelartigen Anordnungen 1 ist die Distanz zwischen der Zuführungsseite des Stapelschachtes 30 und der gegenüberliegenden Seite um mindestens den Versatz h grösser als die entsprechende Abmessung der Druckprodukte. Ferner ist ein um den vorgesehenen Versatz h hin und her bewegliches Versetzungsmittel 15 vorgesehen, das je nach Sektion (4 oder 4'), die gerade gestapelt wird, in den Stapelschacht 30 vorgeschoben oder entsprechend zurückgezogen ist. Vorteilhafterweise weist das Versetzungsmittel 15 zwei Teile auf, einen ersten Teil, der auf der der Zuführungsseite entgegengesetzten Seite angeordnet ist, und einen zweiten Teil, der auf der Zuführungsseite angeordnet ist, wie dies in der Figur 6 dargestellt ist.For the production of stack-like arrangements 1, the distance between the feed side of the stacking shaft 30 and the opposite side by at least the offset h is greater than the corresponding dimension of the printed products. Further, a displacement means 15 reciprocating at the designated offset h is provided which, depending on the section (4 or 4 ') being stacked, is advanced into the stacking shaft 30 or retracted accordingly. Advantageously, the displacement means 15 comprises two parts, a first part which is arranged on the feed side opposite side, and a second part which is arranged on the feed side, as shown in FIG FIG. 6 is shown.

Figur 6 zeigt die Vorrichtung in drei aufeinanderfolgenden Stadien einer Stapelherstellung. Die Druckprodukte 2 werden beispielsweise mit den Faltkanten voraus zugeführt in einem Schuppenstrom, in dem die vorlaufenden Faltkanten oben liegen. Links ist der Beginn der Stapelung mit ganz hochgefahrenem Stapeltisch 32 dargestellt. Das Versetzungsmittel 15 ist zurückgefahren, die herzustellende Stapelsektion ist eine Sektion 4 (bei Stapelung mit vorlaufenden Faltkanten). Wenn die Stapelsektion 4 eine genügende Dicke aufweist, wird das Versetzungsmittel in den Stapelschacht bewegt, wie dies rechts in der Figur 6 dargestellt ist. Durch eine entsprechende Hin- und Herbewegung des Versetzungsmittels 15 entstehen im Stapelschacht abwechslungsweise Stapelsektionen 4 und 4', bis der Stapeltisch 32 seine unterste Position erreicht hat und die fertige stapelartige Anordnung aus dem Stapelschacht 30 entfernt werden kann, was vorteilhafterweise quer zur Zuführungsrichtung durchgeführt wird. FIG. 6 shows the device in three consecutive stages of batch production. The printed products 2 are supplied, for example, with the folded edges in advance in a scale flow, in which the leading folding edges are at the top. On the left is the beginning of the stacking with the stacking table 32 fully raised. The displacement means 15 has moved back, the stacking section to be produced is a section 4 (in the case of stacking with leading folding edges). When the stacking section 4 has a sufficient thickness, the displacement means is moved into the stacking shaft, as shown to the right in FIG FIG. 6 is shown. By a corresponding reciprocation of the displacement means 15 arise in the stack shaft alternately stacking sections 4 and 4 'until the stacking table 32 has reached its lowest position and the finished stack-like arrangement of the stacking shaft 30 can be removed, which is advantageously carried out transversely to the feed direction.

Claims (15)

  1. Method for forming stack-like arrangements (1) from a plurality of flat objects, which comprise a distinguished edge (3) each, wherein the objects are all fed with identical orientation of the distinguished edge (3) and are arranged in the stack-like arrangement substantially in transverse to a stacking direction (S) in parallel to each other and adjacent to each other, wherein successively on a feeding-side-end of the stack-like arrangement added stack sections (4, 4'), which each comprise one or more than one of the fed objects, the distinguished edges of which lie on top of each other, are displaced in relation to each other in transverse to the stacking direction (S) and in transverse to the distinguished edges (3), such that in the stack-like arrangement (1) alternately stack sections (4') with protruding distinguished edges (3) and stack sections (4') with protruding edges (3') opposite to the distinguished edges (3) are added, wherein the stack-like arrangement (1) is formed with a substantially horizontal stacking direction (S), characterized in that the flat objects, in a feeding location, are fed to the feeding-location-side stack end from the top and for forming the displacement (h) in alternate stack sections (4, 4') are deposited on a conveying surface or on a displacement element projecting beyond the conveying surface (10) by a displacement (h).
  2. Method according to claim 1, characterized in that during formation, the stack-like arrangement (1) is moved in the stacking direction (S) by the conveying surface (10).
  3. Method according to claim 1 or 2, characterized in that a plurality of displacement elements, set apart from each other and projecting above the conveying surface (10), are arranged at regular distances from each other on a rotated circuiting element, are moved at the same speed and in the same direction as the conveying surface (10) and accompany the expanding stack-like arrangement.
  4. Method according to one of the preceding claims, characterized in that the flat objects are driven in the stacking direction from an acceleration location set apart from the feeding location towards a butter in order to produce a stack compression.
  5. Method according to claim 4, characterized in that the flat objects are aligned between the feeding location and the acceleration location.
  6. Method according to one of the preceding claims, characterized in that all stack sections (4, 4') comprise an equal number of flat objects
  7. Method according to one of the preceding claims, characterized in that the distinguished edge (3) has a larger thickness than other regions of the flat objects.
  8. Method according to claim 7, characterized in that the stack sections (4') with protruding edges (3') opposite the distinguished edges (3) comprise less flat objects than the stack sections (4) with protruding distinguished edges (3).
  9. Method according to one of the preceding claims, characterized in that the flat objects are printed products (2), wherein the printed products (2) are in particular folded or stitched printed products with a folded edge and that the folded edge is the distinguished edge (3) of the printed products.
  10. Method according to one of the preceding claims, characterized in that the stack-like arrangement is strapped.
  11. Method according to one of the preceding claims, characterized in that end plates (6) are arranged on the faces of the stack-like arrangement, wherein the end plates (6) comprise a form and a dimension, which is larger than the form and the dimension of the flat objects by the dimension of the displacement (h).
  12. Device for forming of stack-like arrangements (1) of flat objects, which device comprises a feeding means (11) for feeding the flat objects, a means for stacking the fed flat objects and a means for conveying away of the stack-like arrangements (1), wherein the device comprises a movable displacement means (15) for forming a displacement (h) between neighbouring stack sections (4, 4'), wherein the means for stacking comprises a conveying surface (10), characterized in that the feeding means (11) is equipped for a feeding of the flat objects from the top and a depositing of the flat objects in a feeding location on the conveying surface (10) and that the displacement means (15) comprises at least one element, which alternately does and docs not project above the conveying surface.
  13. Device according to claim 12, characterized in that the displacement means (15) comprises a plurality of revolving displacement elements (17) set apart from each other.
  14. Device according to claim 12, characterized in that the displacement means comprises a step, which is displaceable in a stacking direction (S).
  15. Device according to claim 12 to 14, characterized in that there is a means for accelerating, which is capable of driving the stack-like arrangement in the stacking direction from an acceleration location set apart from the feeding location towards a buffer in order to generate a stack compression.
EP07405351A 2007-01-26 2007-12-11 Method and device for manufacturing a stacked arrangement of flat objects Not-in-force EP1950159B1 (en)

Applications Claiming Priority (1)

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CH1282007 2007-01-26

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US (1) US7694961B2 (en)
EP (1) EP1950159B1 (en)
AT (1) ATE518795T1 (en)
AU (1) AU2008200244A1 (en)
CA (1) CA2617709A1 (en)
DK (1) DK1950159T3 (en)

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AU2008200244A1 (en) 2008-08-14
DK1950159T3 (en) 2011-10-24
US7694961B2 (en) 2010-04-13
CA2617709A1 (en) 2008-07-26
ATE518795T1 (en) 2011-08-15
EP1950159A1 (en) 2008-07-30
US20080315509A1 (en) 2008-12-25

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