EP0002189B1 - Method and apparatus for forming bundles from a stream of overlapped sheets of paper - Google Patents

Method and apparatus for forming bundles from a stream of overlapped sheets of paper Download PDF

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Publication number
EP0002189B1
EP0002189B1 EP78101218A EP78101218A EP0002189B1 EP 0002189 B1 EP0002189 B1 EP 0002189B1 EP 78101218 A EP78101218 A EP 78101218A EP 78101218 A EP78101218 A EP 78101218A EP 0002189 B1 EP0002189 B1 EP 0002189B1
Authority
EP
European Patent Office
Prior art keywords
stack
transport
chain
sheets
rear wall
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
EP78101218A
Other languages
German (de)
French (fr)
Other versions
EP0002189A1 (en
Inventor
Ernst Dudziak
Gerd-Georg Dr. Kwauka
Arthur Plate
Hermann Lübeck
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.)
Reinhard Mohn GmbH
Original Assignee
Reinhard Mohn GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from DE19772753048 external-priority patent/DE2753048C2/en
Priority claimed from DE19782818463 external-priority patent/DE2818463C2/en
Application filed by Reinhard Mohn GmbH filed Critical Reinhard Mohn GmbH
Publication of EP0002189A1 publication Critical patent/EP0002189A1/en
Application granted granted Critical
Publication of EP0002189B1 publication Critical patent/EP0002189B1/en
Expired legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H29/00Delivering or advancing articles from machines; Advancing articles to or into piles
    • B65H29/66Advancing articles in overlapping streams
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65BMACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B27/00Bundling particular articles presenting special problems using string, wire, or narrow tape or band; Baling fibrous material, e.g. peat, not otherwise provided for
    • B65B27/08Bundling paper sheets, envelopes, bags, newspapers, or other thin flat articles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H29/00Delivering or advancing articles from machines; Advancing articles to or into piles
    • B65H29/38Delivering or advancing articles from machines; Advancing articles to or into piles by movable piling or advancing arms, frames, plates, or like members with which the articles are maintained in face contact
    • B65H29/40Members rotated about an axis perpendicular to direction of article movement, e.g. star-wheels formed by S-shaped members
    • 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
    • B65H33/12Forming counted batches in delivery pile or stream of articles by creating gaps in the stream
    • 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
    • B65H33/16Forming counted batches in delivery pile or stream of articles by depositing articles in batches on moving supports
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S414/00Material or article handling
    • Y10S414/10Associated with forming or dispersing groups of intersupporting articles, e.g. stacking patterns
    • Y10S414/12Associated with forming or dispersing groups of intersupporting articles, e.g. stacking patterns including means pressing against top or end of group

Definitions

  • the invention relates to a process for the production of a bundled rod from a paper sheet scale stream, in particular printed sheets folded from a scale stream on a slope, the scale stream being transported with suitable transport means, the sheets of the scale stream being pushed open to form a stack inclined to the vertical and on one at the If the sloping downward moving solid support is stacked at right angles to the slant, the sheet flow is interrupted after stacking a certain number of sheets, a fixed support is placed on the last sheet of the stack and the stack is pressed at the stacking location and bundled into a bar and the bar is transported away.
  • the invention further relates to an apparatus for performing the method.
  • Folded sheets are usually ejected in the shingled stream by a rotary machine.
  • a rotary machine To rationalize the material flow between the rotation and e.g. the bookbinding machine, mechanically discrete stacks are formed from the folded sheets of the shingled stream, which are bundled into bars and the bars then, if necessary, transferred to the bookbindery for further processing after intermediate storage.
  • columns are formed from the stream of shingles with a retaining device and the columns are conveyed vertically downward from the horizontal transport position against a horizontally running conveyor belt system.
  • the vertical paper sheets of the columns reaching the conveyor belt system are pushed open with conveyor belts and a pressure belt between two spacer elements and collected in a row, the spacer elements being able to store protective plates.
  • the formation of the column is intended to create a gap which is used in particular to pivot in a spacer element to limit the end of the row.
  • the collected row is moved up, gripped and pressed, transported laterally to a strapping system and provided with a bundle strip to form the bar.
  • This known device requires a large number of machine elements and a lot of space.
  • the vertical position of the sheets when collecting them has considerable disadvantages.
  • the paper sheets bulge in the vicinity of the spacer elements, so that it is impossible to insert protective plates which are intended to protect the bundled rod during transport and storage during further processing.
  • This problem can only be countered with a complex additional arrangement.
  • the conveyor belts that promote the shingled stream generate friction at the collection point, in particular in the transfer area to the horizontally running conveyor belt, which can lead to smearing of the printing ink and even destruction of a sheet.
  • Another known device also feeds the sheets in a stream of shingles, to form a stack inclined to the vertical against the direction of transport, the sheets moving downwards on a support against a slope, then the collected sheets move laterally in the device after placing a protective plate on the last sheet, pressed together with a piston-cylinder arrangement and provided with a bundle band to form the rod.
  • a partition plate arrangement can be provided which engages between the sheets of the stack and serves to form an intermediate stack.
  • the intermediate stacking should provide sufficient time to move the stack laterally under the intermediate stack.
  • the lateral movement, pressing and bundling as well as intermediate stacking require special devices.
  • the sheets are collected on a slope inclined against the transport direction, the transport means protruding beyond the stack and interacting with a stop and wipers, so that friction between a sheet and the transport means is also generated at the stacking location.
  • Folded sheets which usually come out of the rotation with the fold ahead, are stacked in this device with the open side lying at an incline, which complicates the stability of the stack and the alignment of the sheets.
  • a device for stack formation is known from US-A-3 822 793, with which only stacks are produced from printed sheets.
  • the printed sheets are transported against a conveyor belt inclined in the transport direction, the stack being formed on a fixed base which moves downward in the region of the conveyor belt and is arranged at right angles to the inclined position of the conveyor belt. After a stack has been formed, the latter is moved laterally with the conveyor belt for removal. Bundling does not take place. Friction at the stacking location is not prevented because, among other things, a shaking device arranged downstream of the transport means of the shingled stream acts mechanically on the sheets sliding towards the incline.
  • the object of the invention is therefore to provide a method for producing a bundled rod from paper sheets, in particular folded printed sheets, with which no friction is generated at the stacking location between a sheet and the transport means of the shingled stream and which works in a variable format.
  • Another object of the invention is to provide a compact device for carrying out the method.
  • the solution to this problem consists in a method for producing a bundled rod according to the features of the main claim and claim 2.
  • the invention further relates to a device for performing this method, which is characterized by the features of claims 3 to 21.
  • each sheet is guided against the slope with the fold ahead and the stack is held down in the fold area during the downward travel, i.e. is pressed down.
  • This depressing in particular ensures the formation of a cuboid stack.
  • the flow of arcs is interrupted by the intermittent formation of a gap during the transport of the scale flow.
  • each sheet is only partially pushed onto the stack by the means of transport and then slides against the slope either through its own weight and / or the mediated kinetic energy and / or by taking the sheet above it with it.
  • the choice of the most favorable incline of the slope depends on the type of sheet material. When belching, therefore, only the following sheet slides on the last sheet of the stack, and only a distance that corresponds to the overlap of the sheets in the shingled stream. The friction at the stacking location between the means of transport and a sheet is thus avoided.
  • the sheets are transported in the last section of the transport route without the direct influence of the means of transport.
  • the sheets of the stream of shingles are preferably transferred to the stack by the transport means at a right or another preselected angle to the inclination of the slope, the transfer taking place at the level of the front top edge of the stack.
  • the end of the means of transport should usually be located as close as possible to the top of the stack. In any case, it must be ensured that the sheets of the shingled stream of a column always remain in contact until the belching.
  • the folding area of the sheets is pressed down with a drawstring system integrated in the stacking table.
  • a drawstring system integrated in the stacking table.
  • This consists of an extension of the rear wall rollers, which are arranged in a stationary, upward alignment, to which drivable, endless conveyor belts, which are guided by conveyor rollers that are firmly seated on a first axis and rotatable on a second axis, are also aligned, with the belts being connected via a on the are driven first sprocket seated and rotatably support the first and second axes in the frame.
  • a further improvement of the hold-down during stacking is achieved if the fold area and / or the open sheet side and / or head and / or foot side of the sheets of the stack are pressed down during the downward movement with at least one tooth element.
  • At least one gearwheel is preferably used, the surface of which can be made of metal or elastic plastic. It is also possible to use a rotating brush whose outer surface is gear-shaped, i.e. has projections corresponding to a gear.
  • a roller with a smooth, elastic surface for example a foam surface, can be used, the tooth elements only forming when the pressure is applied by pressing them down.
  • a gearwheel in which the width of the gap between the teeth corresponds to the thickness of a layer.
  • an edge of each layer is individually taken up in a gap and the layer is guided downward by the rotation of the gear wheel and pressed in the edge region onto the stack moving downward.
  • the peripheral speed of the gearwheel or gearwheels is preferably the same or slightly greater than the transport speed of the stack moving downward.
  • a gearwheel can cooperate in connection with the hold-down belts and be arranged between the belts in such a way that the ring gear base lies with the belt plane or the sliding plate surfaces of one plane, so that the teeth protrude in the direction of the stack.
  • at least two gearwheels can be arranged opposite one another laterally to the stack in the head and foot region of the layers and additionally at least one gearwheel can be arranged on the open side of the layers.
  • the device according to the invention is a bundling machine for producing bars from folded sheets and essentially consists of the machine frame 1, in which the transport means 2 of the shingled stream 3, the shingled stream brake 4, the stacking table 5 and the protective plate feed station 6 are arranged in a suitable manner (not shown) are.
  • the stacking table 5 inclined in the transport direction of the shingled stream 3 is formed by a rear wall 7 inclined by approximately 60 ° to the vertical and a base 8 arranged at right angles thereto.
  • the bottom 8 is preferably designed so that its angular position to the rear wall 7 can be changed. This can in particular support the formation of a cuboid stack. This change can be made during stacking.
  • the inclination of the stacking table can be changed.
  • the rear wall and floor preferably have rear wall rollers 9 which are drivable in a manner known per se and which are arranged in the longitudinal direction in a rust-like manner parallel to one another and which are intended to move the bundled rod 23 transversely for removal.
  • the chains of the chain pair 30 are guided via sprockets 32 which are firmly seated on the axis 13, sprockets (not shown) which are rotatably mounted on the axis 15 and over sprockets 31 which are rotatably seated on the axis 14; store rotatable in frame 12.
  • the chain pair 30 is driven via the sprocket 19 fixedly arranged on the axis 13.
  • the chains of the chain pair 28 run over the sprockets 18 which are rotatably seated on the axes 13 and 15 and over the sprockets 17 which are firmly seated on the axis 14.
  • the drive takes place via the sprocket 20 which is fixedly arranged on the axis 14.
  • the pairs of transport chains 28 and 30 serve to hold and guide the forward and follow-up conveyors 25 and 26, which in turn ensure the stacking process on the stacking table 5.
  • the sheets 27 of the shingled stream 3 are stacked on the forward conveyor 25 running downward onto the stacking table.
  • the trailing conveyor 26 serves to press the stack 29 before bundling.
  • the forward conveyor consists of the two side by side, arranged support arms 34 which hold a protective plate 35.
  • the support brackets 34 are each attached to a chain 28 such that they are angled away from the chain at the desired angle.
  • the follower 26 also has two support arms 33 side by side, which also hold a protective plate 35 and are each attached to a chain 30 in the same way as the arms 34.
  • Each support arm 33, 34 (FIGS. 6 and 7) is composed essentially of a T-shaped guide piece 36 and a flat iron 37 in a side view.
  • the guide piece 36 has guide rollers 38 in the end region of the crossbar 40 on both sides, which slide in corresponding guide rails 39, which are arranged in particular in the rear wall 7 parallel to the chains, prevent sagging of the chains during stacking and the precise preselected bending of the support arms of the Ensure transporters to the surface of the stacking table during stacking and pressing.
  • the rails can be arranged along the entire chain center be.
  • fastening tabs 41 are provided, via which the support arm is firmly connected to the chain.
  • the longitudinal web 42 of the guide piece 36 has two longitudinal grooves 33 one behind the other.
  • the flat iron 37 is held on the guide piece 36 with screws 44 penetrating the grooves 43 in such a way that it can slide back and forth in accordance with the length of the grooves 43.
  • the flat iron 37 is pulled as far as possible in the direction of the T-piece 36 by the spring 47 seated on the pins 45 and 46.
  • the flat iron 37 has a clamping lug 48 and on the spring side two control rollers 49.
  • a protective plate 35 is held between the clamping lug 48 and a trapezoidal clamping piece 50 opposite the clamping lug on the T-piece 36, the tensile force of the spring 47 together with the inclined surfaces the nose 48 and the clamping piece 50 ensure the holder.
  • the support arms 34 of the forward conveyor 25 are arranged on the chain in such a way that the clamping lug 48 points counter to the transport direction, and thus the protective plate 35 lies on the arms when stacked.
  • the arms are exactly reversed, namely rotated by 180 ° about the longitudinal axis, attached to the chain, in such a way that the clamping lugs 48 point in the direction of transport and thus the clamped protective plate 35 hangs under the arms when the stack is pressed off.
  • the protective plates 35 are automatically inserted into the carrier arms of the transporters.
  • a plate magazine system 6 mounted in the machine frame on supporting webs 51 is used with a plate magazine 52, a slide 55 which can be moved on an axis 53 between two lateral magazine bottom rails 54, a hold-down device 56 arranged in front of the magazine and pivotable about axis 60 b with a piston-cylinder arrangement 60 a with curve pieces 57 and 58 arranged in front of the hold-down device and a lifter 59 below and between the rails 54, consisting of a piston-cylinder unit.
  • the magazine 52 is arranged inclined and aligned with the side surfaces parallel to the rear chain center 60, so that the rails 54 are at right angles or in accordance with the inclination of the transporters to the chain center 60.
  • a forward conveyor 25 FIG. 5
  • the slider 55 pushes a plate over the rails 54 in the direction of the chain center 60 when the support arms 34 have passed the rails (b).
  • the control rollers 49 slide over the curve pieces 57 and 58, whereby the flat iron 37 is pulled against the pull of the spring 47 to the outside.
  • the piston of the jack 59 extends faster than the chain 28 runs and presses the advanced protective plate 35 under the support arms (c) until the control rollers (49) have reached the end of the curve section 58 and then the flat iron 37 is pulled back into its starting position , wherein the protective plate 35 is clamped and carried by the support arms (d). Then the piston of the jack (59) and the slide 55 move back again.
  • the rear conveyor 26 (FIG. 4) is equipped by the slide 55 advancing a protective plate 35 before the support arms 33 have reached the rails 54 (a).
  • the hold-down device 56 is pivoted onto the protective plate 35 and presses it firmly onto the rails 54, so that the plate lies optimally.
  • the control rollers 49 are deflected by the single curve piece 57, the flat iron 37 also being pulled outwards (b).
  • the advanced protective plate 35 is taken along (b), the rollers (49) slide from the guide piece, the flat iron 37 slides into its starting position and clamps the protective plate 35; at the same time the hold-down device is swung back (c).
  • the transporter clamping system according to the invention has made it possible to use small plates as protective plates, the dimensional accuracy of which does not require any special requirements. All previously known devices had to work with particularly dimensionally accurate boards, which made bundling considerably more expensive; because the boards are often slightly damaged during further processing -; ig of the rods and therefore had to be withdrawn from circulation. According to the invention, this is only necessary if the boards are significantly damaged.
  • the invention allows bundling on the stacking table without transverse movement of the stack.
  • a strapping system 61 known per se, is provided behind the rear wall 7 of the stacking table 5, the work table 62 (shown only indicated) is fastened behind and parallel to the rear wall 7 in the machine frame 1, and the cross frame 63 thereof through the central gap of the stacking table 5 grab and the longitudinal frame 64 runs in front of the stacking table at a distance.
  • an angle piece 65 of the upper cross frame 63 is arranged retractably on the axis 66. This creates an opening in the frame through which the stack 29 can pass freely.
  • the transport means 2 are known transport elements and are arranged in a suitable manner in the machine frame 1. It is new and particularly advantageous, however, that the angle of incidence of the sheets 27 can be varied by pivoting the transport rollers 67a up and down in conjunction with the change in the speed of the forward conveyor 25. In Fig. 2, for example, an impact angle of 0 is set, while in Fig. 1 the angle is approximately 10 °.
  • the bundling machine according to the invention also has a scale flow brake 4 to form a gap or a jam in the scale flow.
  • Scale brakes are known. They usually consist of an automatically operated lever arm, which has a nose in front of the edge of a Arch engages in the stream of shed, thereby holding back this and the following arches.
  • these brakes have the disadvantage that the preceding sheet located under the edge of the first jammed sheet is pressed onto the conveyor belt and can be pulled out of the row by the running conveyor belt in an uncontrollable manner.
  • the thickness of the shingled stream is increased when the jam is formed, which interferes with the uniform further transport after the lock is lifted.
  • the scale flow brake according to the invention avoids these disadvantages in the device according to the invention by pivoting the nose into the gap between two conveyor belts and at the same time pressing at least one holding-down rail of suitable length onto the scale flow behind the nose.
  • the scale flow brake 4 according to the invention shown in FIG. 8 is mounted in the machine frame 1 and consists of the brake lever arm 70 which can be pivoted about the axis 67 with the piston-cylinder arrangement 68 and is arranged centrally above the conveyor belt 69 and which bears a downwardly projecting brake lug 71 at the free end.
  • the brake lever arm 70 is arranged so that its nose 71 points into the gap 76 when the lever arm is pivoted downwards for braking.
  • the sheets (not shown) lying under the edge 77 of the first sheet 27 of the braked stream stream 3 can escape into the gap 76 when the nose 77 is pressed down and are carried along by the preceding stream stream without distortion.
  • the shingled stream 3 does not bulge, or only insignificantly, under the hold-down rails 74, which are pressed onto the shingled stream with the lever arm 70, during the further transport of the belt 69.
  • a switch 78 known per se can optionally be dispensed with.
  • the method of operation of the device according to the invention is essentially as follows: the scale stream 3 is conveyed in a manner known per se using transport belts. With the brake 4, the current can be interrupted and divided into columns. With the swiveling switch 78, waste can be automatically sorted out. After passing the switch with upper and lower belts and deflecting rollers of the transport means 2, the stream of shingles is conveyed at an inclination of preferably 60 ° upwards and then downwards again via a further deflecting roller to the impact point on the stacking table 5. The first sheet of a column is pushed onto the protective plate 35 of a forward conveyor 25 until it hits the rear wall 7 of the stacking table 5. He travels the last part of the way without contact with the means of transport.
  • the pressed stack is then bundled with a band to form rod 23.
  • the rod then reaches the bottom 8, the forward conveyor 25 releasing the protective plate 35 and continuing to run. This is done in an equivalent way to loading the transporter and is therefore not shown separately.
  • the follow-up conveyor 26 also released the protective plate and remained or ran a bit.
  • the rod 23 is moved crosswise with the rollers 9 for removal, the frame of the strapping system 61 is opened and the empty conveyors are again fitted with protective plates.
  • the device according to the invention is very compact.
  • the special embodiment of the transporters together with the loading device and their special arrangement to the stacking table creates the possibility of smoothly stacking with means of transport by bumping against a stacking table inclined in the direction of transport, pressing down the stack that is being formed at the stacking location, pressing off the stack and forming rods strapping, with the rod having a protective plate at the top and bottom.
  • a new scale flow brake ensures undistorted columns of scale flow.
  • the device according to the invention is largely variable in format and insensitive to fluctuations in sheet quality. It can be used equally for bulky, voluminous printing papers and unstable gravure papers.
  • the inclination of the conveyors to the stacking table can be changed according to a special feature of the invention.
  • the device according to the invention can also be easily varied to smaller and larger rod lengths by the separate drive of the conveyors.
  • the pressing force of the stack can be adjusted precisely.
  • the speed of the forward conveyors can be regulated automatically, for example by means of a capacitive sensor, whereby independence from fluctuations in paper thickness is achieved and that the stack length can be changed by simple adjustment means.
  • FIG. 9 schematically illustrates the principle of depressing the stack that is being formed according to the invention.
  • the gear 78 rotates in the direction of the arrow and picks up a layer 80 in the tooth gap 79 and guides it downward onto the stack 29 moving downward.
  • the stack 81 is pressed down and held down by the teeth 81 of the gear 78.
  • several gears can be used side by side or a wide gear roller.
  • 5 gears 78 with helical teeth can preferably be used on the side of the stacking table, the teeth 81 of which are inclined to the rear wall 7 of the stacking table and thereby cause guidance and depression not only downwards but also in a horizontal or inclined direction.
  • This variant of the method according to the invention is of course not only applicable for the production of inclined stacks, but can also be used with vertically and horizontally stacking devices.
  • Fig. 10 shows the arrangement of the gears on the stacking table in connection with the hold-down system.
  • the gearwheels for pressing down are arranged in the area of the stacking location. Their storage is not shown separately.
  • the gearwheels 82 are located in the fold area, the gearwheels 83 on the head and foot side and the gearwheels 84 on the open side of the layers.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Basic Packing Technique (AREA)
  • Forming Counted Batches (AREA)
  • Pile Receivers (AREA)

Description

Die Erfindung betrifft ein Verfahren zur Herstellung einer gebündelten Stange aus einem Papierbogenschuppenstrom, insbesondere aus einem Schuppenstrom gefalzter Druckbogen auf einer Schräge, wobei der Schuppenstrom mit geeigneten Transportmitteln antransportiert wird, die Bogen des Schuppenstroms zur Bildung eines zur Senkrechten geneigten Stapels aufgestoßen und auf einer an der Schräge abwärts wandernden, zur Schräge rechtwinklig angeordneten festen Unterlage gestapelt werden, nach dem Stapeln einer bestimmten Bogenzahl der Bogenfluß unterbrochen, auf den letzten Bogen des Stapels eine feste Auflage gelegt und der Stapel am Stapelort abgepreßt sowie zur Stange gebündelt und die Stange abtransportiert wird. Die Erfindung betrifft ferner eine Vorrichtung zur Durchführung des Verfahrens.The invention relates to a process for the production of a bundled rod from a paper sheet scale stream, in particular printed sheets folded from a scale stream on a slope, the scale stream being transported with suitable transport means, the sheets of the scale stream being pushed open to form a stack inclined to the vertical and on one at the If the sloping downward moving solid support is stacked at right angles to the slant, the sheet flow is interrupted after stacking a certain number of sheets, a fixed support is placed on the last sheet of the stack and the stack is pressed at the stacking location and bundled into a bar and the bar is transported away. The invention further relates to an apparatus for performing the method.

Falzbogen werden von einer Rotationsmaschine in der Regel im Schuppenstrom ausgestoßen. Zur Rationalisierung des Materialflusses zwischen der Rotation und z.B. der Buchbindemaschine werden aus den Falzbogen des Schuppenstroms maschinell diskrete Stapel gebildet, die zu Stangen gebündelt und die Stangen anschließend ggf. nach einer Zwischenlagerung zur Weiterbearbeitung der Buchbinderei übergeben.Folded sheets are usually ejected in the shingled stream by a rotary machine. To rationalize the material flow between the rotation and e.g. the bookbinding machine, mechanically discrete stacks are formed from the folded sheets of the shingled stream, which are bundled into bars and the bars then, if necessary, transferred to the bookbindery for further processing after intermediate storage.

In einer bekannten Vorrichtung werden aus dem Schuppenstrom mit einer Rückhaltevorrichtung Kolonnen gebildet und die Kolonnen aus der waagerechten Transportlage senkrecht nach unten gegen ein waagerecht laufendes Transportbandsystem befördert. Die das Transportbandsystem erreichenden senkrecht stehenden Papierbogen der Kolonnen werden mit Förderbändern und einem Anpreßband zwischen zwei Distanzhalteelementen aufgestoßen und in Reihe gesammelt, wobei die Distanzhalteelemente Schutzplatten lagern können. Durch die Kolonnenbildung soll eine Lücke geschaffen werden, die insbesondere dazu dient, ein Distanzhalteelement zur Begrenzung des Reihenendes einzuschwenken. Die gesammelte Reihe wird nach oben gefahren, gegriffen und gepreßt, seitlich in eine Umreifungsanlage transportiert und zur Bildung der Stange mit einem Bündelstreifen versehen.In a known device, columns are formed from the stream of shingles with a retaining device and the columns are conveyed vertically downward from the horizontal transport position against a horizontally running conveyor belt system. The vertical paper sheets of the columns reaching the conveyor belt system are pushed open with conveyor belts and a pressure belt between two spacer elements and collected in a row, the spacer elements being able to store protective plates. The formation of the column is intended to create a gap which is used in particular to pivot in a spacer element to limit the end of the row. The collected row is moved up, gripped and pressed, transported laterally to a strapping system and provided with a bundle strip to form the bar.

Diese bekannte Vorrichtung erfordert eine große Anzahl von Maschinenelementen und sehr viel Raum. Insbesondere bedingt die senkrechte Stellung der Bogen beim Sammeln erhebliche Nachteile. Beispielsweise bauchen die Papierbogen in der Nähe der Distanzhalteelemente aus, so daß das Einschieben von Schutzplatten, die die gebündelte Stange während des Transports und der Lagerung bei der Weiterbearbeitung schützen sollen, unmöglich wird. Nur mit einer aufwendigen Zusatzanordnung kann diesem Problem begegnet werden. Abgesehen von den beschriebenen Nachteilen erzeugen die den Schuppenstrom fördernden Transportbänder am Sammelort insbesondere im Übergabebereich zum waagerecht laufenden Transportband Reibung, die zur Verschmierung der Druckfarbe und sogar Zerstörung eines Bogens führen kann.This known device requires a large number of machine elements and a lot of space. In particular, the vertical position of the sheets when collecting them has considerable disadvantages. For example, the paper sheets bulge in the vicinity of the spacer elements, so that it is impossible to insert protective plates which are intended to protect the bundled rod during transport and storage during further processing. This problem can only be countered with a complex additional arrangement. Apart from the disadvantages described, the conveyor belts that promote the shingled stream generate friction at the collection point, in particular in the transfer area to the horizontally running conveyor belt, which can lead to smearing of the printing ink and even destruction of a sheet.

Einer anderen bekannten Vorrichtung (z.B. US-A-2 933 314) werden die Bogen ebenfalls im Schuppenstrom zugeführt, zu einem zur Senkrechten entgegen der Transportrichtung geneigten Stapel gesammelt, wobei die Bogen auf einer Auflage an einer Schräge anliegend abwärts wandern, anschließend die gesammelten Bogen in der Vorrichtung nach Auflegen einer Schutzplatte auf den letzten Bogen seitlich verfahren, mit einer Kolbenzylinderanordnung zusammengepreßt und zur Bildung der Stange mit einem Bündelband versehen werden. Zur Unterbrechung des Bogenflusses kann eine Trennplattenanordnung vorgesehen sein, die zwischen die Bogen des Stapels greift und zur Bildung eines Zwischenstapels dient. Das Zwischenstapeln soll ausreichend Zeit zum seitlichen Verfahren des Stapels unter dem Zwischenstapel schaffen. Das seitliche Verfahren, Abpressen und Bündeln sowie das Zwischenstapeln erfordern besondere Vorrichtungen. Außerdem werden die Bogen auf einer gegen die Transportrichtung geneigten Schräge gesammelt, wobei die Transportmittel über den Stapel hinausragen und mit einem Anschlag sowie Abstreifern zusammenwirken, so daß am Stapelort ebenfalls Reibung zwischen einem Bogen und dem Transportmittel erzeugt wird. Gefalzte Bogen, die in der Regel mit dem Falz voran aus der Rotation kommen, werden in dieser Vorrichtung mit der offenen Seite an der Schräge anliegend geneigt gestapelt, was die Stabilität des Stapels und Ausrichtung der Bogen erschwert.Another known device (e.g. US-A-2 933 314) also feeds the sheets in a stream of shingles, to form a stack inclined to the vertical against the direction of transport, the sheets moving downwards on a support against a slope, then the collected sheets move laterally in the device after placing a protective plate on the last sheet, pressed together with a piston-cylinder arrangement and provided with a bundle band to form the rod. To interrupt the flow of sheets, a partition plate arrangement can be provided which engages between the sheets of the stack and serves to form an intermediate stack. The intermediate stacking should provide sufficient time to move the stack laterally under the intermediate stack. The lateral movement, pressing and bundling as well as intermediate stacking require special devices. In addition, the sheets are collected on a slope inclined against the transport direction, the transport means protruding beyond the stack and interacting with a stop and wipers, so that friction between a sheet and the transport means is also generated at the stacking location. Folded sheets, which usually come out of the rotation with the fold ahead, are stacked in this device with the open side lying at an incline, which complicates the stability of the stack and the alignment of the sheets.

Zudem ist aus der US-A-3 822 793 eine Vorrichtung zur Stapelbildung bekannt, mit der lediglich Stapel aus Druckbogen hergestellt werden. Die Druckbogen werden gegen ein in Transportrichtung geneigtes Förderband transportiert, wobei der Stapel auf einer im Bereich des Förderbandes abwärts wandernden, rechtwinklig zur Schrägstellung des Förderbandes angeordneten, festen Unterlage gebildet wird. Nach der Bildung eines Stapels wird letzterer mit dem Transportband seitlich zur Entnahme verfahren. Ein Bündeln findet nicht statt. Reibung am Stapelort wird nicht verhindert, weil u.a. eine den Transportmitteln des Schuppenstroms nachgeordnete Rüttelvorrichtung auf die zur Schräge gleitenden Bogen mechanisch einwirkt.In addition, a device for stack formation is known from US-A-3 822 793, with which only stacks are produced from printed sheets. The printed sheets are transported against a conveyor belt inclined in the transport direction, the stack being formed on a fixed base which moves downward in the region of the conveyor belt and is arranged at right angles to the inclined position of the conveyor belt. After a stack has been formed, the latter is moved laterally with the conveyor belt for removal. Bundling does not take place. Friction at the stacking location is not prevented because, among other things, a shaking device arranged downstream of the transport means of the shingled stream acts mechanically on the sheets sliding towards the incline.

Aufgabe der Erfindung ist daher ein Verfahren zur Herstellung einer gebündelten Stange aus Papierbogen, insbesondere gefalzten Druckbogen, zu schaffen, mit dem keine Reibung am Stapelort zwischen einem Bogen und dem Transportmittel des Schuppenstroms erzeugt wird und das formatvariabel arbeitet. Aufgabe der Erfindung ist ferner, eine kompakte Vorrichtung zur Durchführung des Verfahrens zur Verfügung zu stellen.The object of the invention is therefore to provide a method for producing a bundled rod from paper sheets, in particular folded printed sheets, with which no friction is generated at the stacking location between a sheet and the transport means of the shingled stream and which works in a variable format. Another object of the invention is to provide a compact device for carrying out the method.

Die Lösung dieser Aufgabe besteht in einem Verfahren zur Herstellung einer gebündelten Stange gemäß den Merkmalen des Hauptanspruchs sowie des Anspruchs 2. Gegenstand der Erfindung ist ferner eine Vorrichtung zur Durchführung dieses Verfahren, die durch die Merkmale der Ansprüche 3 bis 21 gekennzeichnet ist.The solution to this problem consists in a method for producing a bundled rod according to the features of the main claim and claim 2. The invention further relates to a device for performing this method, which is characterized by the features of claims 3 to 21.

Vorteilhaft ist, wenn das Aufstoßen an einer zur Senkrechten um 10 bis 60°, vorzugsweise um 20 bis 40°, geneigten Schräge erfolgt, jeder Bogen mit dem Falz voran gegen die Schräge geleitet und der Stapel im Falzbereich während des Abwärtswanderns niedergehalten d.g. nach unten gedrückt wird. Insbesondere durch dieses Niederdrücken wird die Bildung eines quaderförmigen Stapels gewährleistet. Im Rahmen der Erfindung wird der Bogenfluß während des Antransportierens des Schuppenstroms durch die taktweise Bildung einer Lücke unterbrochen. Zur Bildung des quaderförmigen Stapels kann es je nach Papierqualität und Falzart auch zweckmäßig sein, den Stapel im Falzbereich und/oder an der offenen Seite und/oder zusätzlich an Kopf- oder Fußseite niederzudrücken.It is advantageous if the belching takes place at a slope inclined to the vertical by 10 to 60 °, preferably by 20 to 40 °, each sheet is guided against the slope with the fold ahead and the stack is held down in the fold area during the downward travel, i.e. is pressed down. This depressing in particular ensures the formation of a cuboid stack. In the context of the invention, the flow of arcs is interrupted by the intermittent formation of a gap during the transport of the scale flow. To form the cuboid stack, depending on the paper quality and type of fold, it may also be expedient to press the stack down in the fold region and / or on the open side and / or additionally on the top or bottom side.

Nach dem erfindungsgemäßen Verfahren ist es nunmehr möglich, am Stapelort ohne Transportmittelreibungskontakt die Bogen abzulegen. Jeder Bogen wird nur zum Teil von den Transportmitteln auf den Stapel geschoben und gleitet dann entweder durch das Eigengewicht und/oder die vermittelte Bewegungsenergie und/oder durch die Mitnahme des darüber liegenden Bogens gegen die Schräge. Die Wahl der günstigsten Neigung der Schräge hängt dabei von der Art der Bogenware ab. Beim Aufstoßen gleitet daher lediglich der jeweils folgende Bogen auf den letzten Bogen des Stapels, und zwar nur eine Strecke, die der Überlappung der Bogen im Schuppenstrom entspricht. Die Reibung am Stapelort zwischen dem Transportmittel und einem Bogen wird somit vermieden. Die Bogen werden ohne direkte Einwirkung der Transportmittel im letzten Teilstück des Transportweges befördert. Die Reibung untereinander ist unschädlich und kann nicht zur Zerstörung eines Bogen führen. Günstig ist, die Neigung und den Abstand in der Höhe von der Oberkante des Stapels sowie den Abstand von der Vorderkante des Stapels so zu wählen, daß die Bogen im freien Fall auf den Stapel fallen. Auf diese Weise wird auch die Reibung zwischen den Bogen ausgeschlossen.According to the method according to the invention, it is now possible to deposit the sheets at the stacking location without contact with the transport friction. Each sheet is only partially pushed onto the stack by the means of transport and then slides against the slope either through its own weight and / or the mediated kinetic energy and / or by taking the sheet above it with it. The choice of the most favorable incline of the slope depends on the type of sheet material. When belching, therefore, only the following sheet slides on the last sheet of the stack, and only a distance that corresponds to the overlap of the sheets in the shingled stream. The friction at the stacking location between the means of transport and a sheet is thus avoided. The sheets are transported in the last section of the transport route without the direct influence of the means of transport. The friction between them is harmless and cannot lead to the destruction of an arch. It is favorable to choose the inclination and the distance in height from the top edge of the stack and the distance from the front edge of the stack so that the sheets fall onto the stack in free fall. This also eliminates friction between the sheets.

Es ist besonders vorteilhaft, die Stangenbildung durch die Kolonnenbildung im Schuppenstrom zu gewährleisten. Dadurch kann am Stapelort eine feste Auflage auf den letzten Bogen des Stapels gelegt, der Stapel abgepreßt, anschließend der Stapel zur Stange gebündelt und die fertige Stange seitlich abtransportiert werden. Die Bildung eines zur Transportrichtung abgeneigten Stapels bietet in überraschender Weise den Vorteil, daß das Auflegen einer Auflage, Abpressen des Stapels und Bündeln ohne Transport der gestapelten Bogen am Stapelort auf der Schräge erfolgen kann. Das Aufstoßen der Bogen des Schuppenstroms an einer in Transportrichtung geneigten Schräge auf einem abwärts wandernden Bogenstapel ohne direkte Einwirkung der Transportmittel des Schuppenstroms lag nicht nahe, weil zu befürchten war, daß der Transport der Bogen ohne Transportmittel unkontrollierbar wird. Es war überraschend, daß durch die Optimierung des Neigungswinkels der Schräge dieses Problem zu lösen ist.It is particularly advantageous to ensure the formation of bars through the formation of columns in the scale stream. As a result, a firm support can be placed on the last sheet of the stack at the stacking location, the stack pressed, then the stack bundled to form a rod and the finished rod can be removed laterally. The formation of a stack inclined to the transport direction offers the advantage in a surprising manner that the placement of a support, pressing the stack and bundling can take place without transporting the stacked sheets at the stacking location on the incline. The belching of the sheets of the shingled stream on a slope inclined in the direction of transport on a downward-moving sheet stack without direct action by the means of transportation of the shingled stream was not obvious, because there was fear that the transportation of the sheets without means of transportation would become uncontrollable. It was surprising that this problem can be solved by optimizing the inclination angle of the slope.

Vorzugsweise werden die Bogen des Schuppenstroms von den Transportmitteln im rechten oder einem anderen vorgewählten Winkel zur Neigung der Schräge auf den Stapel übergeben, wobei die Übergabe in Höhe der vorderen Stapeloberkante erfolgt. Es ist jedoch in Abhängigkeit vom Reibungskoeffizienten der Bogenoberfläche ggf. vorteilhaft, den Übergabewinkel zu verändern und kleiner als 90°, vorzugsweise zwischen 70 und 90°, zu wählen. Ferner kann vorteilhaft sein, wenn die Übergabe über der Stapeloberkante erfolgt, so daß sich eine Höhengefälle zwischen dem Ende der Transportmittel und der Oberkante des Stapels ergibt. Das Ende der Transportmittel sollte jedoch in der Regel so nahe wie möglich vor der Oberkante des Stapels angeordnet sein. In jedem Fall ist dafür zu sorgen, daß die Bogen des Schuppenstroms einer Kolonne bis zum Aufstoßen immer in Kontakt bleiben.The sheets of the stream of shingles are preferably transferred to the stack by the transport means at a right or another preselected angle to the inclination of the slope, the transfer taking place at the level of the front top edge of the stack. However, depending on the coefficient of friction of the sheet surface, it may be advantageous to change the transfer angle and to choose less than 90 °, preferably between 70 and 90 °. It can also be advantageous if the transfer takes place over the top edge of the stack, so that there is a drop in height between the end of the transport means and the top edge of the stack. However, the end of the means of transport should usually be located as close as possible to the top of the stack. In any case, it must be ensured that the sheets of the shingled stream of a column always remain in contact until the belching.

Nach einer Ausführungsform der Erfindung erfolgt das Nachuntendrücken des Falzbereichs der Bogen mit einem im Stapeltisch integrierten Zugbandsystem. Dieses besteht aus in Verlängerung der Rückwandrollen nach oben fluchtend stationär angeordneten Gleitblechen, an die sich antreibbare, endlos über Förderrollen, die fest auf einer ersten Achse und drehbar auf einer zweiten Achse sitzen, geführte Niederhaltebänder ebenfalls fluchtend anschließen, wobei die Bänder über ein auf der ersten Achse sitzendes Kettenrad angetrieben sind und die erste und zweite Achse drehbar im Rahmen lagern.According to one embodiment of the invention, the folding area of the sheets is pressed down with a drawstring system integrated in the stacking table. This consists of an extension of the rear wall rollers, which are arranged in a stationary, upward alignment, to which drivable, endless conveyor belts, which are guided by conveyor rollers that are firmly seated on a first axis and rotatable on a second axis, are also aligned, with the belts being connected via a on the are driven first sprocket seated and rotatably support the first and second axes in the frame.

Eine weitere Verbesserung des Niederhaltens während des Stapelns wird erreicht, wenn der Falzbereich und/oder die offene Bogenseite und/oder Kopf- und/oder Fußseite der Bogen des Stapels während des Abwärtswanderns mit mindestens einem Zahnelement niedergedrückt werden. Vorzugsweise wird mindestens ein Zahnrad verwendet, dessen Oberfläche aus Metall oder elastischem Kunststoff bestehen kann. Ferner ist möglich, eine rotierende Bürste zu verwenden, deren Mantelfläche zahnradförmig ausgebildet ist, d.h. einem Zahnrad entsprechende Vorsprünge aufweist. Nach einer weiteren Ausgestaltung der Erfindung kann eine Walze mit einer glatten, elastischen Oberfläche, beispielsweise einer Schaumstoffoberfläche, verwendet werden, wobei die Zahnelemente sich erst beim Niederdrücken durch den Andruck bilden.A further improvement of the hold-down during stacking is achieved if the fold area and / or the open sheet side and / or head and / or foot side of the sheets of the stack are pressed down during the downward movement with at least one tooth element. At least one gearwheel is preferably used, the surface of which can be made of metal or elastic plastic. It is also possible to use a rotating brush whose outer surface is gear-shaped, i.e. has projections corresponding to a gear. According to a further embodiment of the invention, a roller with a smooth, elastic surface, for example a foam surface, can be used, the tooth elements only forming when the pressure is applied by pressing them down.

Es ist im Falle des Niederhaltens mit einem Zahnrad im Falzbereich vorteilhaft, wenn ein Zahnrad verwendet wird, bei dem die Breite der Lücke zwischen den Zähnen der Dicke einer Lage entspricht. Vorzugsweise wird eine Kante jeder Lage einzeln in eine Lücke aufgenommen und durch die Drehung des Zahnrades die Lage nach unten geführt und im Kantenbereich auf den abwärts wandernden Stapel gedrückt. Die Umfangsgeschwindigkeit des Zahnrades bzw. der Zahnräder ist vorzugsweise gleich oder etwas größer als die Transportgeschwindigkeit des abwärts wandernden Stapels.In the case of holding down with a gearwheel in the fold area, it is advantageous if a gearwheel is used in which the width of the gap between the teeth corresponds to the thickness of a layer. Preferably, an edge of each layer is individually taken up in a gap and the layer is guided downward by the rotation of the gear wheel and pressed in the edge region onto the stack moving downward. The peripheral speed of the gearwheel or gearwheels is preferably the same or slightly greater than the transport speed of the stack moving downward.

Im Rahmen der Erfindung kann ein Zahnrad in Verbindung mit den Niederhaltebändern zusammenwirken und zwischen den Bändern dergestalt angeordnet sein, daß der Zahnkranzboden mit der Bandebene bzw. den Gleitblechoberflächen einer Ebene liegt, so daß die Zähne in Richtung des Stapels überstehen. Zusätzlich können nach einer weiteren bevorzugten Ausführungsform der Erfindung mindestens zwei Zahnräder seitlich zum Stapel im Kopf- und Fußbereich der Lagen sich gegenüberliegend und zusätzlich mindestens ein Zahnrad an der offenen Seite der Lagen angeordnet sein.In the context of the invention, a gearwheel can cooperate in connection with the hold-down belts and be arranged between the belts in such a way that the ring gear base lies with the belt plane or the sliding plate surfaces of one plane, so that the teeth protrude in the direction of the stack. In addition, according to a further preferred embodiment of the invention, at least two gearwheels can be arranged opposite one another laterally to the stack in the head and foot region of the layers and additionally at least one gearwheel can be arranged on the open side of the layers.

In der Zeichnung wird eine erfindungsgemäße Vorrichtung schematisch dargestellt und im folgenden die Erfindung anhand der Zeichnung beispielhaft näher erläutert. Es zeigen:

  • Fig. 1 eine Seitenansicht der Vorrichtung,
  • Fig. 2 eine Seitenansicht des Stapeltisches mit Schutzplattenzuführstation,
  • Fig. 3 eine Vorderansicht des Antriebssystems der Transporteure,
  • Fig. 4 die Funktion der Schutzplattenzuführung für den Nachlauftransporteur,
  • Fig. 5 die Funktion der Schutzplattenzuführung für den Vorlauftransporteur,
  • Fig. 6 eine Seitenansicht eines Transporteurs,
  • Fig. 7 eine Draufsicht auf einen Transporteur,
  • Fig. 8 eine Seitenansicht der Schuppenstrombremse,
  • Fig. 9 schematisch einen Teil eines Zahnrades mit einer Lage,
  • Fig. 10 schematisch die Anordnung der Zahnräder am Stapeltisch.
A device according to the invention is shown schematically in the drawing and the invention is explained in more detail below by way of example using the drawing. Show it:
  • 1 is a side view of the device,
  • 2 shows a side view of the stacking table with a protective plate feed station,
  • 3 is a front view of the drive system of the transporters,
  • 4 shows the function of the protective plate feed for the rear conveyor,
  • 5 shows the function of the protective plate feed for the forward conveyor,
  • 6 is a side view of a conveyor,
  • 7 is a plan view of a conveyor,
  • 8 is a side view of the scale flow brake,
  • 9 schematically shows a part of a gearwheel with a position,
  • Fig. 10 shows schematically the arrangement of the gears on the stacking table.

Die erfindungsgemäße Vorrichtung ist ein Bündelautomat zur Herstellung von Stangen aus gefalzten Bogen und besteht im wesentlichen aus dem Maschinengestell 1, in dem die Transportmittel 2 des Schuppenstroms 3, die Schuppenstrombremse 4, der Stapeltisch 5 und die Schutzplattenzuführstation 6 in geeigneter Weise (nicht dargestellt) angeordnet sind.The device according to the invention is a bundling machine for producing bars from folded sheets and essentially consists of the machine frame 1, in which the transport means 2 of the shingled stream 3, the shingled stream brake 4, the stacking table 5 and the protective plate feed station 6 are arranged in a suitable manner (not shown) are.

Der in Transportrichtung des Schuppenstroms 3 geneigte Stapeltisch 5 wird von einer um etwa 60° zur Senkrechten geneigten Rückwand 7 und einem rechtwinklig dazu angeordneten Boden 8 gebildet. Der Boden 8 ist vorzugsweise so ausgebildet, daß seine Winkelstellung zur Rückwand 7 verändert werden kann. Damit kann insbesondere die Bildung eines quaderförmigen Stapels unterstützt werden. Diese Änderung kann während des Stapelns erfolgen. Die Neigung des Stapeltisches ist veränderbar. Rückwand und Boden weisen vorzugsweise in an sich bekannter Weise antreibbare, in Längsrichtung rostartig parallel nebeneinander angeordnete Rückwandrollen 9 auf, die die gebündelte Stange 23 zum Abtransport quer verfahren sollen. In Verlängerung der Rückwandrollen nach oben sind fluchtend kurze Gleitbleche 10 stationär angeordnet, an die sich antreibbare, endlos über die Förderrollen 21 und 22, die fest auf der Achse 16 und drehbar auf der Achse 14 sitzen, geführte Niederhaltebänder 11 ebenfalls fluchtend anschließen. Diese Niederhaltebänder werden beispielsweise über ein auf der Achse 16 fest sitzendes Kettenrad 24 angetrieben, wobei die Achsen 14 und 16 drehbar im Rahmen 12 lagern. Die Oberflächen der Niederhaltebänder 11 und Gleitbleche 10 sowie die Mantelflächen der Rückwandrollen 9 liegen in einer Ebene und bilden gemeinsam die Rückwand 7 des Stapeltisches 5. Alle Elemente der Rückwand sind in geeigneter Weise im Rahmen 12 gelagert (nicht vollständig dargestellt), der wiederum mit dem Maschinengestell 1 verbunden ist.The stacking table 5 inclined in the transport direction of the shingled stream 3 is formed by a rear wall 7 inclined by approximately 60 ° to the vertical and a base 8 arranged at right angles thereto. The bottom 8 is preferably designed so that its angular position to the rear wall 7 can be changed. This can in particular support the formation of a cuboid stack. This change can be made during stacking. The inclination of the stacking table can be changed. The rear wall and floor preferably have rear wall rollers 9 which are drivable in a manner known per se and which are arranged in the longitudinal direction in a rust-like manner parallel to one another and which are intended to move the bundled rod 23 transversely for removal. In the extension of the rear wall rollers upwards, flush, short sliding plates 10 are arranged in a stationary manner, to which hold-down belts 11, which are drivable and are endlessly guided by the conveyor rollers 21 and 22, which are fixed on the axis 16 and rotatably on the axis 14, also connect in alignment. These hold-down belts are driven, for example, via a chain wheel 24 which is firmly seated on the axle 16, the axles 14 and 16 being rotatably supported in the frame 12. The surfaces of the hold-down belts 11 and sliding plates 10 and the lateral surfaces of the rear wall rollers 9 lie in one plane and together form the rear wall 7 of the stacking table 5. All elements of the rear wall are mounted in a suitable manner in the frame 12 (not shown completely), which in turn is connected to the Machine frame 1 is connected.

In Lücken zwischen den Rückwandelementen sind zwei parallel dazu in gleicher Ebene geführte, endlose und angetriebene Transportkettenpaare 28 und 30 angeordnet, wobei das Kettenpaar 30 zwischen dem Kettenpaar 28 läuft.In gaps between the rear wall elements, two endless and driven pairs of transport chains 28 and 30 are arranged parallel to it in the same plane, the chain pair 30 running between the pair of chains 28.

Die Ketten des Kettenpaares 30 werden über auf der Achse 13 fest sitzende Kettenräder 32, auf der Achse 15 drehbar lagernde Kettenräder (nicht dargestellt) und über auf der Achse 14 drehbar sitzende Kettenräder 31 geleitet, wobei außer der Achse 14 auch die Achsen 13 und 15 drehbar im Rahmen 12 lagern. Der Antrieb des Kettenpaars 30 erfolgt über das fest auf der Achse 13 angeordnete Kettenrad 19.The chains of the chain pair 30 are guided via sprockets 32 which are firmly seated on the axis 13, sprockets (not shown) which are rotatably mounted on the axis 15 and over sprockets 31 which are rotatably seated on the axis 14; store rotatable in frame 12. The chain pair 30 is driven via the sprocket 19 fixedly arranged on the axis 13.

Die Ketten des Kettenpaars 28 laufen über die auf den Achsen 13 und 15 drehbar sitzenden Kettenräder 18 und über die auf der Achse 14 fest sitzenden Kettenräder 17. Der Antrieb erfolgt dabei über das auf der Achse 14 fest angeordnete Kettenrad 20.The chains of the chain pair 28 run over the sprockets 18 which are rotatably seated on the axes 13 and 15 and over the sprockets 17 which are firmly seated on the axis 14. The drive takes place via the sprocket 20 which is fixedly arranged on the axis 14.

Die Transportkettenpaare 28 und 30 dienen zum Haltern und Führen der Vor- und Nachlauftransporteure 25 und 26, die ihrerseits den Stapelvorgang auf dem Stapeltisch 5 gewährleisten. Dabei werden auf dem auf den Stapeltisch abwärts laufenden Vorlauftransporteur 25 die Bogen 27 des Schuppenstroms 3 gestapelt. Der Nachlauftransporteur 26 dient zum Abpressen des Stapels 29 vor dem Bündeln. Der Vorlauftransporteur besteht aus den beiden nebeneinander, angeordneten Tragarmen 34, die eine Schutzplatte 35 haltern. Die Tragarrne 34 sind je an einer Kette 28 derart befestigt, daß sie im gewünschten Winkel von der Kette abgewinkelt sind.The pairs of transport chains 28 and 30 serve to hold and guide the forward and follow-up conveyors 25 and 26, which in turn ensure the stacking process on the stacking table 5. The sheets 27 of the shingled stream 3 are stacked on the forward conveyor 25 running downward onto the stacking table. The trailing conveyor 26 serves to press the stack 29 before bundling. The forward conveyor consists of the two side by side, arranged support arms 34 which hold a protective plate 35. The support brackets 34 are each attached to a chain 28 such that they are angled away from the chain at the desired angle.

Der Nachlauftransporteur 26 weist ebenfalls zwei Tragarme 33 nebeneinander auf, die auch eine Schutzplatte 35 haltern und je an einer Kette 30 in gleicher Weise wie die Arme 34 befestigt sind.The follower 26 also has two support arms 33 side by side, which also hold a protective plate 35 and are each attached to a chain 30 in the same way as the arms 34.

Jeder Tragarm 33, 34 (Fig. 6 und 7) setzt sich im wesentlichen in der Seitenansicht aus einem T-förmigen Führungsstück 36 und einem Flacheisen 37 zusammen. Das Führungsstück 36 weist im Endbereich des Querstegs 40 beidseitig Führungsrollen 38 auf, die in entsprechenden Führungsschienen 39 gleiten, die insbesondere in der Rückwand 7 parallel zu den Ketten angeordnet sind, einen Durchhang der Ketten während des Stapelns verhindern und die genaue vorgewählte Abwinklung der Tragarme der Transporteure zur Oberfläche des Stapeltisches während des Stapelns und Abpressens gewährleisten. Selbstverständlich können die Schienen entlang des gesamten Kettentrums angeordnet sein. In der Mitte des Querstegs 40 sind Befestigungslaschen 41 vorgesehen, über die der Tragarm mit der Kette fest verbunden ist. Der Längssteg 42 des Führungsstückes 36 besitzt hintereinander zwei Längsnuten 33. Das Flacheisen 37 wird mit die Nuten 43 durchgreifenden Schrauben 44 derart am Führungsstück 36 gehaltert, daß es entsprechend der Länge der Nuten 43 hin- und hergleiten kann. Durch die an den Stiften 45 und 46 sitzende Feder 47 wird das Flacheisen 37 so weit wie möglich in Richtung auf das T-Stück 36 gezogen.Each support arm 33, 34 (FIGS. 6 and 7) is composed essentially of a T-shaped guide piece 36 and a flat iron 37 in a side view. The guide piece 36 has guide rollers 38 in the end region of the crossbar 40 on both sides, which slide in corresponding guide rails 39, which are arranged in particular in the rear wall 7 parallel to the chains, prevent sagging of the chains during stacking and the precise preselected bending of the support arms of the Ensure transporters to the surface of the stacking table during stacking and pressing. Of course, the rails can be arranged along the entire chain center be. In the middle of the crossbar 40, fastening tabs 41 are provided, via which the support arm is firmly connected to the chain. The longitudinal web 42 of the guide piece 36 has two longitudinal grooves 33 one behind the other. The flat iron 37 is held on the guide piece 36 with screws 44 penetrating the grooves 43 in such a way that it can slide back and forth in accordance with the length of the grooves 43. The flat iron 37 is pulled as far as possible in the direction of the T-piece 36 by the spring 47 seated on the pins 45 and 46.

Am freien Ende bestizt das Flacheisen 37 eine Klemmnase 48 und federseitig zwei Steuerrollen 49. Zwischen der Klemmnase 48 und einem trapezförmigen, der Klemmnase gegenüberliegenden Klemmstück 50 am T-Stück 36 wird eine Schutzplatte 35 gehaltert, wobei die Zugkraft der Feder 47 zusammen mit den Schrägflächen der Nase 48 und des Klemmstücks 50 die Halterung gewährleisten.At the free end, the flat iron 37 has a clamping lug 48 and on the spring side two control rollers 49. A protective plate 35 is held between the clamping lug 48 and a trapezoidal clamping piece 50 opposite the clamping lug on the T-piece 36, the tensile force of the spring 47 together with the inclined surfaces the nose 48 and the clamping piece 50 ensure the holder.

Die Tragarme 34 des Vorlauftransporteurs 25 sind so an der Kette angeordnet, daß die Klemmnase 48 entgegen der Transportrichtung weist, und damit die Schutzplatte 35 beim Stapeln auf den Armen liegt. Beim Nachlauftransporteur 26 sind die Arme genau umgekehrt, nämlich um 180° um die Längsachse gedreht, an der Kette angebracht, dergestalt, daß die Klemmnasen 48 in Transportrichtung weisen und somit die eingeklemmte Schutzplatte 35 beim Abpressen des Stapels unter den Armen hängt.The support arms 34 of the forward conveyor 25 are arranged on the chain in such a way that the clamping lug 48 points counter to the transport direction, and thus the protective plate 35 lies on the arms when stacked. In the follow-up conveyor 26, the arms are exactly reversed, namely rotated by 180 ° about the longitudinal axis, attached to the chain, in such a way that the clamping lugs 48 point in the direction of transport and thus the clamped protective plate 35 hangs under the arms when the stack is pressed off.

Die Schutzplatten 35 werden nach einer besonderen Ausführungsform der Erfindung automatisch in die Tragarme der Transporteure eingelegt. Hierzu dient eine im Maschinengestell auf Tragstegen 51 gelagerte Plattenmagazinanlage 6 mit einem Plattenmagazin 52, einem auf einer Achse 53 zwischen zwei seitlichen Magazinenbodenschienen 54 verfahrbaren Schieber 55, einem vor dem Magazin angeordneten, um die Achse 60 b mit einer Kolbenzylinderanordnung 60 a schwenkbaren Niederhalter 56 sowie mit vor dem Niederhalter angeordneten Kurvenstücken 57 und 58 und einem Heber 59 unter und zwischen den Schienen 54, bestehend aus einer Kolbenzylindereinheit.According to a special embodiment of the invention, the protective plates 35 are automatically inserted into the carrier arms of the transporters. For this purpose, a plate magazine system 6 mounted in the machine frame on supporting webs 51 is used with a plate magazine 52, a slide 55 which can be moved on an axis 53 between two lateral magazine bottom rails 54, a hold-down device 56 arranged in front of the magazine and pivotable about axis 60 b with a piston-cylinder arrangement 60 a with curve pieces 57 and 58 arranged in front of the hold-down device and a lifter 59 below and between the rails 54, consisting of a piston-cylinder unit.

Das Magazin 52 ist geneigt angeordnet und mit den Seitenflächen parallel zum hinteren Kettentrum 60 ausgerichtet, so daß die Schienen 54 rechtwinklig oder entsprechend der Neigung der Transporteure zum Kettentrum 60 stehen. Beim Bestücken eines Vorlauftransporteurs 25 (Fig. 5) mit einer Schutzplatte 35 schiebt der Schieber 55 eine Platte über die Schienen 54 in Richtung auf den Kettentrum 60, wenn die Tragarme 34 die Schienen passiert haben (b). Die Steuerrollen 49 gleiten dabei über die Kurvenstücke 57 und 58, wodurch das Flacheisen 37 gegen den Zug der Feder 47 nach außen gezogen wird. Gleichzeitig fährt der Kolben des Hebers 59 schneller aus als die Kette 28 läuft und drückt die vorgeschobene Schutzplatte 35 unter die Tragarme (c), bis die Steuerrollen (49) das Ende des Kurvenstücks 58 erreicht haben und danach das Flacheisen 37 in seine Ausgangsstellung zurückgezogen wird, wobei die Schutzplatte 35 eingeklemmt und von den Tragarmen mitgenommen wird (d). Anschließend fahren der Kolben des Hebers (59) und der Schieber 55 wieder zurück.The magazine 52 is arranged inclined and aligned with the side surfaces parallel to the rear chain center 60, so that the rails 54 are at right angles or in accordance with the inclination of the transporters to the chain center 60. When loading a forward conveyor 25 (FIG. 5) with a protective plate 35, the slider 55 pushes a plate over the rails 54 in the direction of the chain center 60 when the support arms 34 have passed the rails (b). The control rollers 49 slide over the curve pieces 57 and 58, whereby the flat iron 37 is pulled against the pull of the spring 47 to the outside. At the same time, the piston of the jack 59 extends faster than the chain 28 runs and presses the advanced protective plate 35 under the support arms (c) until the control rollers (49) have reached the end of the curve section 58 and then the flat iron 37 is pulled back into its starting position , wherein the protective plate 35 is clamped and carried by the support arms (d). Then the piston of the jack (59) and the slide 55 move back again.

Die Bestückung des Nachlauftransporteurs 26 (Fig. 4) erfolgt, indem der Schieber 55 eine Schutzplatte 35 vorschiebt, bevor die Tragarme 33 die Schienen 54 erreicht haben (a). Dabei wird der Niederhalter 56 auf die Schutzplatte 35 geschwenkt und drückt diese fest auf die Schienen 54, so daß die Platte optimal aufliegt. Die Steuerrollen 49 werden in diesem Fall von dem einzigen Kurvenstück 57 abgelenkt, wobei das Flacheisen 37 ebenfalls nach außen gezogen wird (b). Beim Durchfahren der Schienen 54 wird die vorgeschobene Schutzplatte 35 mitgenommen (b), die Rollen (49) gleiten vom Führungsstück, das Flacheisen 37 rutscht in seine Ausgangsstellung und klemmt die Schutzplatte 35 eine; gleichzeitig wird der Niederhalter zurückgeschwenkt (c).The rear conveyor 26 (FIG. 4) is equipped by the slide 55 advancing a protective plate 35 before the support arms 33 have reached the rails 54 (a). The hold-down device 56 is pivoted onto the protective plate 35 and presses it firmly onto the rails 54, so that the plate lies optimally. In this case, the control rollers 49 are deflected by the single curve piece 57, the flat iron 37 also being pulled outwards (b). When driving through the rails 54, the advanced protective plate 35 is taken along (b), the rollers (49) slide from the guide piece, the flat iron 37 slides into its starting position and clamps the protective plate 35; at the same time the hold-down device is swung back (c).

Durch das erfindungsgemäße Klemmsystem der Transporteure ist es möglich geworden, als Schutzplatten Brettchen zu verwenden, an deren Maßgenauigkeit keine besonderen Anforderungen gestellt zu werden brauchen. Alle bisher bekannten Vorrichtungen mußten mit besonders maßgenauen Brettchen arbeiten, was das Bündeln erheblich verteuerte; denn die Brettchen werden häufig bei der Weiterverarbeitt.-;ig der Stangen leicht beschädigt und mußten bisher deshalb aus dem Verkehr gezogen werden. Dies ist nach der Erfindung nur noch bei erheblich beschädigten Brettchen erforderlich.The transporter clamping system according to the invention has made it possible to use small plates as protective plates, the dimensional accuracy of which does not require any special requirements. All previously known devices had to work with particularly dimensionally accurate boards, which made bundling considerably more expensive; because the boards are often slightly damaged during further processing -; ig of the rods and therefore had to be withdrawn from circulation. According to the invention, this is only necessary if the boards are significantly damaged.

Besonders vorteilhaft ist ferner, daß die Erfindung das Bündeln auf dem Stapeltisch ohne Querverfahren des Stapels zuläßt. Zu diesem Zweck ist hinter der Rückwand 7 des Stapeltisches 5 eine an sich bekannte Umreifungsanlage 61 vorgesehen, deren Arbeitstisch 62 (nur angedeutet dargestellt) hinter und parallel zur Rückwand 7 im Maschinengestell 1 befestigt angeordnet ist und deren Querrahmen 63 durch die mittige Lücke des Stapeltisches 5 greifen und deren Längsrahmen 64 vor dem Stapeltisch im Abstand verläuft. Wesentlich ist, daß ein Winkelstück 65 des oberen Querrahmens 63 auf der Achse 66 zurückziehbar angeordnet ist. Dadurch wird im Rahmen eine Öffnung geschaffen, durch die der Stapel 29 ungehindert durchwandern kann. Mit diesem verblüffend einfachen Mittel ist es gelungen, den Stapelort gleichermaßen als Bündelort zu benutzen.It is also particularly advantageous that the invention allows bundling on the stacking table without transverse movement of the stack. For this purpose, a strapping system 61, known per se, is provided behind the rear wall 7 of the stacking table 5, the work table 62 (shown only indicated) is fastened behind and parallel to the rear wall 7 in the machine frame 1, and the cross frame 63 thereof through the central gap of the stacking table 5 grab and the longitudinal frame 64 runs in front of the stacking table at a distance. It is essential that an angle piece 65 of the upper cross frame 63 is arranged retractably on the axis 66. This creates an opening in the frame through which the stack 29 can pass freely. With this amazingly simple means, it has been possible to use the stacking location equally as a bundling location.

Die Transportmittel 2 sind an sich bekannte Transportelemente und in geeigneter Weise im Maschinengestell 1 angeordnet. Neu und besonders vorteilhaft ist jedoch, daß durch Auf- und Niederschwenken der Transportrollen 67a im Zusammenspiel mit der Änderung der Geschwindigkeit des Vorlauftransporteurs 25 der Auftreffwinkel der Bogen 27 variert werden kann. In Fig. 2 ist beispielsweise ein Auftreffwinkel von 0 eingestellt, während in Fig. 1 der Winkel etwa 10° beträgt.The transport means 2 are known transport elements and are arranged in a suitable manner in the machine frame 1. It is new and particularly advantageous, however, that the angle of incidence of the sheets 27 can be varied by pivoting the transport rollers 67a up and down in conjunction with the change in the speed of the forward conveyor 25. In Fig. 2, for example, an impact angle of 0 is set, while in Fig. 1 the angle is approximately 10 °.

Der erfindungsgemäße Bündelautomat besitzt außerdem eine Schuppenstrombremse 4 zur Bildung einer Lücke bzw. eines Staus im Schuppenstrom. Schuppenstrombremsen sind bekannt. Sie bestehen meist aus einem automatisch betätigten Hebelarm, der mit einer Nase vor den Rand eines Bogens im Schuppenstrom greift und dadurch diesen und die nachfolgenden Bogen zurückhält. Diese Bremsen haben jedoch den Nachteil, daß der unter dem Rand des ersten gestauten Bogens befindliche vorangehende Bogen auf das Transportband gedrückt wird und in unkontrollierbarer Weise vom laufenden Transportband aus der Reihe gezogen werden kann. Außerdem wird die Dicke des Schuppenstroms bei der Staubildung erhöht, was den gleichmäßigen Weitertransport nach Aufhebung der Sperre stört.The bundling machine according to the invention also has a scale flow brake 4 to form a gap or a jam in the scale flow. Scale brakes are known. They usually consist of an automatically operated lever arm, which has a nose in front of the edge of a Arch engages in the stream of shed, thereby holding back this and the following arches. However, these brakes have the disadvantage that the preceding sheet located under the edge of the first jammed sheet is pressed onto the conveyor belt and can be pulled out of the row by the running conveyor belt in an uncontrollable manner. In addition, the thickness of the shingled stream is increased when the jam is formed, which interferes with the uniform further transport after the lock is lifted.

Die erfindungsgemäße Schuppenstrombremse vermeidet diese Nachteile bei der erfindungsgemäßen Vorrichtung, indem die Nase in die Lücke zwischen zwei Transportbändern schwenkt und gleichzeitig mindestens eine Niederhalteschiene geeigneter Länge auf den Schuppenstrom hinter der Nase gedrückt wird. Die in Fig. 8 dargestellte erfindungsgemäße Schuppenstrombremse 4 ist im Maschinengestell 1 gelagert und besteht aus dem um die Achse 67 mit der Kolbenzylinderanordnung 68 schwenkbaren, mittig über dem Transportband 69 angeordneten Bremshebelarm 70, der am freien Ende eine nach unten ragende Bremsnase 71 trägt. Seitlich in Längsrichtung parallel neben dem Bremshebelarm ebenfalls über dem Transportband 69 sind zwei auf den Achsen 72 seitlich verstellbare, mit den Haltern 73 auf- und niederfahrbare Niederhalteschienen 74 angeordnet. Vor dem Transportband 69 befindet sich im Abstand ein weiteres Transportband 75. Der Bremshebelarm 70 ist so angeordnet, daß seine Nase 71 in die Lücke 76 weist, wenn der Hebelarm zum Bremsen abwärts geschwenkt ist. Die unter der Kante 77 des ersten Bogens 27 des gebremsten Schuppenstroms 3 liegenden Bogen (nicht dargestellt) können beim Niederdrücken der Nase 77 in die Lücke 76 ausweichen und werden ohne Verzerrung vom vorangehenden Schuppenstrom mitgenommen. Gleichzeitig baucht der Schuppenstrom 3 während des Weitertransports des Bandes 69 unter den Niederhalteschienen 74, die mit dem Hebelarm 70 auf den Schuppenstrom gedrückt werden, nicht oder nur unerheblich aus. Mit dieser effektiven Schuppenstrombremse arbeitet die erfindungsgemäße Anlage fehlerlos. Es kann ggf. auf eine an sich bekannte Weiche 78 verzichtet werden.The scale flow brake according to the invention avoids these disadvantages in the device according to the invention by pivoting the nose into the gap between two conveyor belts and at the same time pressing at least one holding-down rail of suitable length onto the scale flow behind the nose. The scale flow brake 4 according to the invention shown in FIG. 8 is mounted in the machine frame 1 and consists of the brake lever arm 70 which can be pivoted about the axis 67 with the piston-cylinder arrangement 68 and is arranged centrally above the conveyor belt 69 and which bears a downwardly projecting brake lug 71 at the free end. Arranged laterally in the longitudinal direction parallel to the brake lever arm, likewise above the conveyor belt 69, are two hold-down rails 74 which are laterally adjustable on the axles 72 and can be moved up and down with the holders 73. In front of the conveyor belt 69 there is a further conveyor belt 75 at a distance. The brake lever arm 70 is arranged so that its nose 71 points into the gap 76 when the lever arm is pivoted downwards for braking. The sheets (not shown) lying under the edge 77 of the first sheet 27 of the braked stream stream 3 can escape into the gap 76 when the nose 77 is pressed down and are carried along by the preceding stream stream without distortion. At the same time, the shingled stream 3 does not bulge, or only insignificantly, under the hold-down rails 74, which are pressed onto the shingled stream with the lever arm 70, during the further transport of the belt 69. With this effective scale flow brake, the system according to the invention works flawlessly. A switch 78 known per se can optionally be dispensed with.

Die Arbeitsweise der erfindungsgemäßen Vorrichtung ist im wesentlichen folgende: Der Schuppenstrom 3 wird in an sich bekannter Weise mit Transportriemen befördert. Mit der Bremse 4 kann der Strom unterbrochen und in Kolonnen aufgeteilt werden. Mit der schwenkbaren Weiche 78 kann automatisch Makkulatur ausgesondert werden. Der Schuppenstrom wird nach Passieren der Weiche mit Ober- und Unterbändern sowie Umlenkrollen der Transportmittel 2 unter einer Neigung von vorzugsweise 60° aufwärts und dann über eine weitere Umlenkrolle wieder abwärts zum Aufstoßpunkt auf dem Stapeltisch 5 befördert. Der erste Bogen einer Kolonne wird auf die Schutzplatte 35 eines Vorlauftransporteurs 25 geschoben, bis er gegen die Rückwand 7 des Stapeltisches 5 stößt. Dabei legt er den letzten Teil des Weges ohne Transportmittelkontakt zurück. Alle folgenden Bogen der Kolonne werden auf dem nach unten gleitenden Transporteur zum Stapel abgelegt. Dabei drükken die Niederhaltebänder 11, die in Kontakt mit den Falzkanten der Bogen stehen und etwas schneller laufen als der Vorlauftransporteur, die Kanten derart nach unten, daß ein quaderförmiger Stapel entsteht. Ohne die Niederhaltebänder könnte bei dicken Bogen eine schiefe Stapeloberfläche entstehen. Wenn der letzte Bogen auf dem Stapel 29 liegt, läuft der Nachlauftransporteur 26 auf den Stapel zu, legt sich mit der Schutzplatte auf den Stapel und preßt ihn nieder. Dies wird dadurch erreicht, daß der Nachlauftransporteur taktweise schneller als der Vorlauftransporteur läuft. Wenn der Stapel 29 kurz vor dem Boden 8 des Stapeltisches 5 angekommen ist, wird das Winkelstück 65 gegen den Querrahmen 63 der Umreifungsanlage 61 gefahren und damit der gesamte Rahmen geschlossen. Anschließend wird der gepreßte Stapel mit einem Band zur Stange 23 gebündelt. Danach erreicht die Stange den Boden 8, wobei der Vorlauftransporteur 25 die Schutzplatte 35 freigibt und weiterläuft. Dies geschieht in äquivalenter Weise wie das Bestücken des Transporteurs und ist deshalb nicht gesondert dargestellt. Kurz vorher hat auch der Nachlauftransporteur 26 die Schutzplatte freigegeben und ist ein Stück zurückgeblieben oder- gelaufen. Danach wird die Stange 23 mit den Rollen 9 zum Abtransport querverfahren, der Rahmen der Umreifungsanlage 61 geöffnet und die leeren Transporteure wieder mit Schutzplatten bestückt.The method of operation of the device according to the invention is essentially as follows: the scale stream 3 is conveyed in a manner known per se using transport belts. With the brake 4, the current can be interrupted and divided into columns. With the swiveling switch 78, waste can be automatically sorted out. After passing the switch with upper and lower belts and deflecting rollers of the transport means 2, the stream of shingles is conveyed at an inclination of preferably 60 ° upwards and then downwards again via a further deflecting roller to the impact point on the stacking table 5. The first sheet of a column is pushed onto the protective plate 35 of a forward conveyor 25 until it hits the rear wall 7 of the stacking table 5. He travels the last part of the way without contact with the means of transport. All subsequent sheets in the column are placed on the conveyor, which slides downwards, to the stack. The hold-down belts 11, which are in contact with the folded edges of the sheets and run somewhat faster than the forward conveyor, press the edges downward in such a way that a cuboid stack is formed. Without the hold-down straps, an oblique stacking surface could arise with thick sheets. When the last sheet lies on the stack 29, the follow-up conveyor 26 runs towards the stack, lies down on the stack with the protective plate and presses it down. This is achieved in that the follow-up feeder runs faster than the lead feeder in cycles. When the stack 29 has arrived just before the bottom 8 of the stacking table 5, the angle piece 65 is moved against the transverse frame 63 of the strapping system 61 and the entire frame is thus closed. The pressed stack is then bundled with a band to form rod 23. The rod then reaches the bottom 8, the forward conveyor 25 releasing the protective plate 35 and continuing to run. This is done in an equivalent way to loading the transporter and is therefore not shown separately. Shortly beforehand, the follow-up conveyor 26 also released the protective plate and remained or ran a bit. Thereafter, the rod 23 is moved crosswise with the rollers 9 for removal, the frame of the strapping system 61 is opened and the empty conveyors are again fitted with protective plates.

Die erfindungsgemäße Vorrichtung ist sehr kompakt gebaut. Durch die besondere Ausführungsform der Transporteure zusammen mit der Bestückungseinrichtung und ihre besondere Anordnung zum Stapeltisch wird die Möglichkeit geschaffen, mit Transportmitteln reibungslos durch Aufstoßen gegen einen in Transportrichtung geneigten Stapeltisch zu stapeln, am Stapelort den sich bildenden Stapel niederzudrücken, den Stapel abzupressen und zur Stangenbildung zu umreifen, wobei die Stange oben und unten eine Schutzplatte aufweist. Eine neue Schuppenstrombremse sorgt dabei für unverzerrte Schuppenstromkolonnen. Es ist offensichtlich, daß die erfindungsgemäße Vorrichtung weitestgehend formatvariabel und unempfindlich gegen Bogenqualitätsschwankungen ist. Sie kann gleichermaßen für sperrige volumige Werkdruckpapiere und labile Tiefdruckpapiere verwendet werden. In diesem Zusammenhang kann nach einem besonderen Merkmal der Erfindung die Neigung der Transporteure zum Stapeltisch verändert werden. Die erfindungsgemäße Vorrichtung ist außerdem durch den getrennten Antrieb der Transporteure ohne weiteres auf kleinere und größere Stangenlängen variierbar. Außerdem kann die Abpreßkraft des Stapels genau eingestellt werden.The device according to the invention is very compact. The special embodiment of the transporters together with the loading device and their special arrangement to the stacking table creates the possibility of smoothly stacking with means of transport by bumping against a stacking table inclined in the direction of transport, pressing down the stack that is being formed at the stacking location, pressing off the stack and forming rods strapping, with the rod having a protective plate at the top and bottom. A new scale flow brake ensures undistorted columns of scale flow. It is obvious that the device according to the invention is largely variable in format and insensitive to fluctuations in sheet quality. It can be used equally for bulky, voluminous printing papers and unstable gravure papers. In this context, the inclination of the conveyors to the stacking table can be changed according to a special feature of the invention. The device according to the invention can also be easily varied to smaller and larger rod lengths by the separate drive of the conveyors. In addition, the pressing force of the stack can be adjusted precisely.

Besonders vorteilhaft bei der erfindungsgemäßen Vorrichtung ist, daß die Geschwindigkeit der Vorlauftransporteure beispielsweise mittels eines kapazitiven Gebers selbsttätig geregelt werdeR kann, wodurch eine Unabhängigkeit von Papierstärkenschwankungen erzielt wird und daß die Stapellänge durch einfache Verstellmittel verändert werden kann.It is particularly advantageous in the device according to the invention that the speed of the forward conveyors can be regulated automatically, for example by means of a capacitive sensor, whereby independence from fluctuations in paper thickness is achieved and that the stack length can be changed by simple adjustment means.

Mit Fig. 9 wird das Prinzip des erfindungsgemäßen Niederdrückens des sich bildenden Stapels schematisch verdeutlicht. Das Zahnrad 78 dreht sich in Pfeilrichtung und nimmt in der Zahnlücke 79 eine Lage 80 auf und führt diese nach unten auf den abwärts wandernden Stapel 29. Dabei wird der Stapel durch die Zähne 81 des Zahnrades 78 nach unten gedrückt und niedergehalten. Selbstverständlich können mehrere Zahnräder nebeneinander oder eine breite Zahnradwalze verwendet werden. Ferner können vorzugsweise seitlich des Stapeltisches 5 Zahnräder 78 mit einer Schrägverzahnung verwendet werden, deren Zähne 81 zur Rückwand 7 des Stapeltisches geneigt sind und dadurch eine Führung und ein Niederdrücken nicht nur nach unten, sondern auch in einer horizontalen bzw. zur Horizontalen geneigten Richtung bewirken. Diese erfindungsgemäße Verfahrensvariante ist selbstverständlich nicht nur für die Herstellung geneigter Stapel anwendbar, sondern kann auch bei vertikal und horizontal stapelnden Vorrichtungen benutzt werden.FIG. 9 schematically illustrates the principle of depressing the stack that is being formed according to the invention. The gear 78 rotates in the direction of the arrow and picks up a layer 80 in the tooth gap 79 and guides it downward onto the stack 29 moving downward. The stack 81 is pressed down and held down by the teeth 81 of the gear 78. Of course, several gears can be used side by side or a wide gear roller. Furthermore, 5 gears 78 with helical teeth can preferably be used on the side of the stacking table, the teeth 81 of which are inclined to the rear wall 7 of the stacking table and thereby cause guidance and depression not only downwards but also in a horizontal or inclined direction. This variant of the method according to the invention is of course not only applicable for the production of inclined stacks, but can also be used with vertically and horizontally stacking devices.

Fig. 10 zeigt die Anordnung der Zahnräder am Stapeltisch in Verbindung mit dem Niederhaltesystem.Fig. 10 shows the arrangement of the gears on the stacking table in connection with the hold-down system.

Am oberen Ende des Stapeltisches sind im Bereich des Stapelortes die Zahnräder zum Niederdrücken angeordnet. Ihre Lagerung ist nicht gesondert dargestellt. Dabei befinden sich die Zahnräder 82 im Falzbereich, die Zahnräder 83 an der Kopf- und Fußseite und die Zahnräder 84 and der offenen Seite der Lagen.At the top of the stacking table, the gearwheels for pressing down are arranged in the area of the stacking location. Their storage is not shown separately. The gearwheels 82 are located in the fold area, the gearwheels 83 on the head and foot side and the gearwheels 84 on the open side of the layers.

Mit der Erfindung ist est gelungen, die quaderförmige Ausgestaltung des Stapels ohne weiteres zu beherrschen. Die dargestellte Anordnung der Zahnräder ist beispielhaft und kann variiert werden. In jedem Fall hat sich die Verwendung der Zahnräder besonders bewährt, weil sie an den Lagenkanten führen und gleichzeitig rasterartig niederdrücken, was durch das Überstehen der Zähne entsprechend Fig. 1 gewährleistet wird.With the invention it has been possible to easily master the cuboid configuration of the stack. The arrangement of the gears shown is exemplary and can be varied. In any case, the use of the gears has proven particularly useful because they lead to the layer edges and at the same time press down in a grid pattern, which is ensured by the protrusion of the teeth according to FIG. 1.

Claims (21)

1. Method of producing a bundled rod (23) from a squamiform stream of paper sheets (3), particularly from a squamiform stream of folded printed sheets (27) on an incline, wherein the squamiform stream is transported to arrive by suitable transport means (2), the sheets (27) of the squamiform stream (3) are impacted for the formation of a stack (29) inclined to the vertical and stacked on a firm base support, which is arranged at right angles to the incline and wanders downwards on the incline, the sheet flow is interrupted after the stacking of a certain number of sheets, a firm overlay (35) is laid on the last sheet of the stack and the stack is pressed away at the stacking location as well as bundled into the rod (23) and the rod (23) is transported away, characterised thereby, that the printed sheets (27) are impacted for stacking against the incline (7) inclined to the vertical in transport direction, for which each sheet (27) slides to the incline under its own weight and/or due to the thrust of the respectively following sheet and during impacting has no contact with a transport means, that the stacked printed sheets wandering downwards are pressed downwards at least at one edge and that the pressing away during the downward wandering of the stack (29) takes place through endlessly circulating, leading and trailing transporters (25, 26).
2. Method according to claim 1, characterised thereby, that for the pressing away, the trailing transporters (26) cyclically circulate faster than the leading transporters (25).
3. Apparatus for the performance of the method according to claim 1 or 2 with transport means (2) for the feeding of the squamiform stream (3) with a stacking table (5), which displays an inclined rear wall (7) for the support of the stack (29), with a support part arranged perpendicularly to the rear wall (7) on a circulating conveying equipment (60), with a press equipment for the compression of the stack (29), with an equipment (4) for the parting of a stack off from the respectively next succeeding stack, with an equipment (61), which is arranged at the stacking location and makes possible the tying around of the stack covered by two protective plates (35), and with an inclined abutment surface (10, 11), against which the paper sheets impact after the feeding, characterised thereby, that the abutment surface forms a part of the rear wall (7), with which a bottom (8) is associated, and the transport means (2) are arranged in such a manner that the sheets no longer have any contact with the transport means (2) on impacting against the abutment surface, that an equipment pressing the edges of the printed sheets downwards is associated with the stacking table (5), that the press equipment consists of a further circulating conveying equipment (30) and a trailing transporter which is fastened to this and cooperates with a leading transporter (25), and that the equipment making possible the tying-around is constructed as hooping equipment (61) with a guide channel (63) for the tying material, wherein an upper part (65) of the guide channel (63) is arranged to be withdrawable.
4. Apparatus according to claim 3, characterised thereby, that a tension belt system (11) is provided as equipment for the downward pressing of the printed sheets.
5. Apparatus according to one of the claims 3 or 4, characterised thereby, that the rear wall (7) and the bottom (8) display drivable rollers (9) arranged parallelly one beside the other in the manner of a grate in longitudinal direction.
6. Apparatus according to claim 5, characterised thereby, that arranged stationarily and aligned upwardly in prolongation of the rear wall rollers (9) are short metal slide plates (10), at which the belts (11) of the tension belt system adjoin likewise in alignment.
7. Apparatus according to claim 5 or 6, characterised thereby, that two endless and driven transport chain pairs (28, 30) are arranged in gaps between the rear wall elements (9, 10, 11), guided parallelly thereto in the same plane and form the circulating conveying equipments, wherein the chain pair (30) runs between the chain pair (28).
8. Apparatus according to claim 7, characterised thereby, that the transport chain pair (28) holds leading transporters (25) and the transport chain pair (30) holds trailing transporters (26).
9. Apparatus according to claim 8, characterised thereby, that each leading transporter (25) displays two carrier arms (34), which are arranged one beside the other, hold a protective plate (35) and are each fastened to a chain (28) in such a manner that they are angularly bent away from the chain, and that each trailing transporter (26) likewise displays two carrier arms (33), which are arranged one beside the other, hold a protective plate (35) and are each fastened to a chain (30) in like manner as the arms (34).
10. Apparatus according to claim 9, characterised thereby, that each carrier arm (3.3, 34) is composed of a T-shaped guide piece (36) and a flat iron bar (37), the guide piece (36) at both sides in the end region of the transverse web (40) displays guide rollers (38), which slide in corresponding guide rails (39) arranged parallel to the chains and particularly in the rear wall (7), fastening straps (41), through which the carrier arm is firmly connected with the chain, are provided in the centre of the transverse web (40), the longitudinal web (42) of the guide piece (36) possesses two longitudinal grooves (33) one behind the other, that the flat iron bar (37) is retained on the guide piece (36) by screws (44) engaging through the grooves (43) in such a manner that it can slide to and fro according to the length of the grooves (43), while the flat iron bar (37) is drawn as far as possible in the direction towards the T-piece (36) by the spring (47) sitting on the pins (45 and 46), and that the flat iron bar (37) possesses a clamping lug (48) at the free end and two control rollers at the spring side, a protective plate (35) is retained on the T-piece (36) between the clamping lug (48) and a trapezoidal clamping piece lying opposite the clamping lug, wherein the tension force of the spring (47) together with the inclined surfaces of the lug (48) and of the clamping piece (50) assures the retention and wherein the carrier arms (34) of the leading transporter (25) are so arranged on the chain that the clamping lug (48) points against the transport direction, and that the carrier arms (33) of the trailing transporter are mounted on the chain in such a manner that the clamping lugs (48) point in the transport direction.
11. Apparatus according to one of the claims 3 to 10, characterised thereby, that a protective plate station (6) with carrier webs (51) is mounted on the machine frame (1) and displays a plate magazine (52), a slide (55) displaceable on an axle (53) between two lateral magazine bottom rails (54), a presser foot (56) arranged in front of the magazine and pivotable about the axle (60b) by a piston-cylinder arrangement (60a) as well as curved pieces (57, 58) arranged in front of the presser foot and a lifter (50) below and between the rails (54) and consisting of a piston-cylinder unit.
12. Apparatus according to claim 11, characterised thereby, that the magazine (52) is arranged inclined and aligned with the lateral surfaces parallel to the rearward chain run (60) so that the rails (54) stand at right angles to the chain run (16).
13. Device according to one or more of the claims 3 to 12, characterised thereby, that provided behind the rear wall (7) of the stacking table (5) is an in itself known hooping equipment (61), the working table (62) of which is arranged fastened in the machine frame (1) behind and parallel to the rear wall (7), the transverse frames (63) of which engage through the central gap of the stacking table (5) and the longitudinal frame (64) of which extends at a spacing in front of the stacking table, wherein an angle piece (65) of the upper transverse frame (63) is arranged to be withdrawable on the axle (66).
14. Apparatus according to one of the claims 3 to 13, characterised thereby, that the transport rollers (67a) are arranged to be pivotable up and down as well as adjustable to format.
15. Apparatus according to one of the claims 3 to 14, characterised thereby, that a squamiform stream brake (4) is mounted in the machine frame (1) and consists of the brake lever arm (70), which is arranged centrally over the transport belt (69), pivotable around the axle (67) by a piston-cylinder arrangement (68) and which at the free end carries a downwardly projecting brake lug (71), wherein the lug (71) projects into the gap (76) between the transport belts (69 and 75) when the lever arm is pivoted downwards for braking.
16. Apparatus according to claim 15, characterised thereby, that at least one presser foot rail (74), which is displaceable up and down with the retainers (73) and adjustable laterally on an axle (72), is arranged laterally in longitudinal direction parallelly beside the brake lever arm (70) likewise above the transport belt (69).
17. Apparatus according to one of the claims 3 to 16, characterised thereby, that the equipment pressing down the edges of the printed sheets consists of at least one circulating part (78), which is provided with tooth elements (81) for the compression of one side of the stack.
18. Apparatus according to claim 17, characterised thereby, that a spur wheel (78), in which the width of the gap between the spur wheels (81) corresponds to the thickness of a layer, is provided as circulating part.
19. Apparatus according to claim 17 or 18, characterised thereby, that laterally arranged spur wheels (78) display as oblique toothing, the teeth of which are inclined to the rear wall (7) of the stacking table (5).
20. Apparatus according to claim 17, characterised thereby, that a rotating brush is provided, the envelope surface of which is formed to be in the shape of a spur wheel.
21. Apparatus according to claim 17, characterised thereby, that a roller is provided with a smooth elastic surface, for example a foam material surface, wherein the tooth elements are formed only by the contact pressure on pressing.
EP78101218A 1977-11-28 1978-10-25 Method and apparatus for forming bundles from a stream of overlapped sheets of paper Expired EP0002189B1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE2753048 1977-11-28
DE19772753048 DE2753048C2 (en) 1977-11-28 1977-11-28 Method and apparatus for producing a bundled bar from printed sheets
DE19782818463 DE2818463C2 (en) 1978-04-27 1978-04-27 Apparatus for producing a bundled bar from printed sheets
DE2818463 1978-04-27

Publications (2)

Publication Number Publication Date
EP0002189A1 EP0002189A1 (en) 1979-06-13
EP0002189B1 true EP0002189B1 (en) 1981-11-11

Family

ID=25773165

Family Applications (1)

Application Number Title Priority Date Filing Date
EP78101218A Expired EP0002189B1 (en) 1977-11-28 1978-10-25 Method and apparatus for forming bundles from a stream of overlapped sheets of paper

Country Status (4)

Country Link
US (1) US4311090A (en)
EP (1) EP0002189B1 (en)
ES (1) ES474384A1 (en)
IT (1) IT1106808B (en)

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US4577853A (en) * 1984-01-16 1986-03-25 Harris Graphics Corporation Stacking apparatus
US4554867A (en) * 1984-03-19 1985-11-26 Stobb, Inc. Method and apparatus for handling a stack of sheets
US4584935A (en) * 1984-09-04 1986-04-29 Luggen Leo J Stock baler
US4658715A (en) * 1986-04-14 1987-04-21 Stobb Inc. System for automating the palletizing of bundles
IT1204332B (en) * 1986-05-02 1989-03-01 Civiemme Srl VERTICAL MARKER STACKER PERFECTED
IT1223446B (en) * 1987-11-20 1990-09-19 Civiemme Srl RETENTION DEVICE AND PACK GUIDE FOR VERTICAL STACKERS OF SIGNATURES
US4880350A (en) * 1988-09-06 1989-11-14 Stobb, Inc. Method and apparatus for handling stacks of sheets
US4997337A (en) * 1988-10-03 1991-03-05 Rubber Band Technology, Ltd. High-speed mail stacking and separating apparatus
NO901737L (en) * 1990-04-19 1991-10-21 Norlito Maskin As PACKING MACHINE FOR LEAVES (STACK).
US5244201A (en) * 1991-06-20 1993-09-14 Stacker Machine Co. Signature stream interrupt apparatus and method
US5190281A (en) * 1991-06-21 1993-03-02 John Cardenas Vertical signature stacking system having a non-contact sensor to control stack formation
US5407188A (en) * 1992-12-15 1995-04-18 Sharp Kabushiki Kaisha Classifying tray apparatus
JP3455093B2 (en) * 1997-11-14 2003-10-06 シャープ株式会社 Sheet post-processing equipment
US10927225B2 (en) * 2016-09-16 2021-02-23 Sumitomo Chemical Company, Limited Aromatic polyether microparticles, method for producing cured resin product, and method for producing carbon-fiber-reinforced composite material
CN109850651B (en) * 2019-04-03 2021-02-09 东莞市达瑞电子股份有限公司 Terminal automatic material collecting device of die cutting machine

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US2933314A (en) * 1958-01-27 1960-04-19 Anton R Stobb Method and means for collecting and stacking flexible sheets
GB918709A (en) * 1960-09-09 1963-02-20 William Frank Clarke Improvements in apparatus for stacking blanks in counted piles
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US3690650A (en) * 1970-12-17 1972-09-12 Harris Intertype Corp Method and apparatus for feeding sheet material into a hopper
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DE2232023A1 (en) * 1972-06-30 1974-01-17 Licentia Gmbh DEVICE FOR CONTINUOUS STACKING OF FLAT SHIPMENTS

Also Published As

Publication number Publication date
ES474384A1 (en) 1979-04-16
EP0002189A1 (en) 1979-06-13
IT1106808B (en) 1985-11-18
US4311090A (en) 1982-01-19
IT7852051A0 (en) 1978-11-24

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