EP0250709B1 - Method and device for attaching together webs of form sets - Google Patents

Method and device for attaching together webs of form sets Download PDF

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Publication number
EP0250709B1
EP0250709B1 EP87102499A EP87102499A EP0250709B1 EP 0250709 B1 EP0250709 B1 EP 0250709B1 EP 87102499 A EP87102499 A EP 87102499A EP 87102499 A EP87102499 A EP 87102499A EP 0250709 B1 EP0250709 B1 EP 0250709B1
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EP
European Patent Office
Prior art keywords
forms
adhesive strips
adhesive
pressure
adhesive tape
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP87102499A
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German (de)
French (fr)
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EP0250709A3 (en
EP0250709A2 (en
Inventor
Bodo Brehme
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Individual
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Individual
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Priority to AT87102499T priority Critical patent/ATE83197T1/en
Publication of EP0250709A2 publication Critical patent/EP0250709A2/en
Publication of EP0250709A3 publication Critical patent/EP0250709A3/en
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Publication of EP0250709B1 publication Critical patent/EP0250709B1/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H37/00—Article or web delivery apparatus incorporating devices for performing specified auxiliary operations
    • B65H37/04—Article or web delivery apparatus incorporating devices for performing specified auxiliary operations for securing together articles or webs, e.g. by adhesive, stitching or stapling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42C—BOOKBINDING
    • B42C3/00—Making booklets, pads, or form sets from multiple webs
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/12—Surface bonding means and/or assembly means with cutting, punching, piercing, severing or tearing
    • Y10T156/1317—Means feeding plural workpieces to be joined
    • Y10T156/1322—Severing before bonding or assembling of parts
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/12—Surface bonding means and/or assembly means with cutting, punching, piercing, severing or tearing
    • Y10T156/1317—Means feeding plural workpieces to be joined
    • Y10T156/1322—Severing before bonding or assembling of parts
    • Y10T156/1326—Severing means or member secured thereto also bonds
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/12—Surface bonding means and/or assembly means with cutting, punching, piercing, severing or tearing
    • Y10T156/1317—Means feeding plural workpieces to be joined
    • Y10T156/1322—Severing before bonding or assembling of parts
    • Y10T156/133—Delivering cut part to indefinite or running length web
    • Y10T156/1335—Cutter also delivers cut piece
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/12—Surface bonding means and/or assembly means with cutting, punching, piercing, severing or tearing
    • Y10T156/1317—Means feeding plural workpieces to be joined
    • Y10T156/1322—Severing before bonding or assembling of parts
    • Y10T156/1339—Delivering cut part in sequence to serially conveyed articles
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/12—Surface bonding means and/or assembly means with cutting, punching, piercing, severing or tearing
    • Y10T156/1378—Cutter actuated by or secured to bonding element

Definitions

  • the invention relates to a device for stitching the layers of form sets together according to the preamble of claim 1.
  • Form sets generally consist of several layers of leporello-like folded form webs, the form webs either being designed as copying paper or carbon paper sheets arranged between them.
  • a transport perforation is usually provided on both edges, in the holes of which the tractor of a printer can mount.
  • the transport perforations are usually connected to the form webs via perforations and can therefore be removed after printing.
  • the individual layers of a set of forms must be held together and fixed against each other so that it is ensured that the layers lying on top of one another cannot shift relative to one another when printing or writing, that is to say they retain their intended, congruent position.
  • small adhesive strips are used which reach through individual holes in the transport perforation and thereby enclose the sheets of a set in a bow shape.
  • the adhesive strips in the form described above are attached using special devices.
  • a device is described in DE-A-1 436 814. It has a transport device for the set of forms and a feed device for feeding an adhesive tape.
  • the line is described as transverse to the running direction of the transport device. Rather casually, a supply of the adhesive tape is also explained in the running direction of the transport device in the figures (2) and (2a) and in the description on page 8 second section. It is not explained in detail how the separating and pressing devices are designed and work in this device.
  • the separating device consists of a vertical, reciprocating knife with a counter knife arranged above the transport path and the pressing device is designed as a pressing die movable with the knife.
  • This configuration presupposes that the adhesive tape is fed intermittently, i. H. that it is stopped for the cutting and the subsequent pressing of the adhesive strip.
  • Such an intermittent feed of the adhesive tape results in a relatively complicated device with a number of wear parts.
  • the speed of this device is limited, i.e. it can only be operated at a relatively low speed of the transport device for the form set. In spite of its high costs, the device therefore does not work very efficiently.
  • the adhesive strip has zero speed after cutting and suddenly has to be accelerated to its speed when it is placed on the form set. This results in inaccuracies in the location of the application, ie it is not ensured that the adhesive strip is pressed on at the intended location.
  • the pressure stamp also has zero speed, so that when the pressure is pressed the form set is rubbed past the pressure stamp. The pressing must not be too high force occur, which increases the tendency to inaccuracy when applying the adhesive strip.
  • the invention is therefore based on the object of providing a device which is distinguished by a simple structure and with which high processing speeds can be achieved.
  • the knife or the knives is or are arranged on the circumference of a rotating roller with an axis of rotation extending transversely to the transport direction.
  • the roller is part of the pressing device and has at least one pressing cam in the direction of rotation in front of the knife (s).
  • the invention is illustrated in more detail with the aid of a schematically illustrated exemplary embodiment. It shows a side view of the first part of a device for stitching the layers of form sets together.
  • the device has a housing section (1) to which horizontal support surfaces (2, 3) are attached. These support surfaces (2, 3) form the track for a set of forms (4), which is represented here by a dash-dotted line.
  • the drive for the movement of the form set (4) is conventional and is therefore omitted here.
  • the form set (4) moves in the direction of arrow A.
  • An adhesive tape (5) - likewise represented by a dash-dotted line - is fed in from above. It passes through a guide eye (6) which is attached to a swivel lever (7).
  • the adhesive tape (5) then passes through a feed device (8) which consists of a drive roller (9) which is driven by a motor and a pressure roller (10).
  • the pressure roller (10) bears against the drive roller (9) under prestress and is mounted on a swivel lever (11).
  • the adhesive tape (5) then reaches - at an angle Form set (4) tapering - in the area of a cutting device (12).
  • This cutting device (12) consists, on the one hand, of two knives (14, 15) arranged on a roller (13) and, on the other hand, of a counter knife (16) arranged in a fixed position directly above the track of the form set (4).
  • the roller (13) is driven by a motor.
  • the adhesive tape (5) passed between the two is cut.
  • the speed of the feed device (8) and the cutting device (12) are matched to one another in such a way that the desired length of adhesive tape (5) is cut off in each case.
  • the synchronization is such that in each case an adhesive strip (17) cut off from the adhesive tape (5) reaches the form set (4) at regular intervals.
  • the roller (13) has a pressure cam (18, 19) in front of the knives (14, 15), which protrudes somewhat and is rigidly framed.
  • These pressure cams (18, 19) correspond to spring-loaded pressure cams (20, 21) on a second roller (22) arranged exactly below the roller (13).
  • the pressure cams (20, 21) are coupled to spring bands (23, 24) running in the circumferential direction.
  • Both rollers (13, 22) are synchronized with each other in such a way that their pressure cams (18, 19) or (20, 21) clamp the form set (4) with the adhesive strip (17) attached to them in pairs and thus the adhesive strip (17 ) on the form set (4) after the adhesive strip (17) has been attached has been cut off.
  • the form set (4) then continues, parts of the adhesive strip (17) being pushed through the perforation of the form set (4) in subsequent stations (not shown here) and then folded over on the back. This is done in a conventional, previously known manner.

Abstract

In the method for attaching webs of form sets having at least one edge-side transport perforation, in each case adhesive strips from an adhesive tape fed parallel to the transport direction are separated transversely to the transport direction and pressed onto the set of forms in such a way that portions of the adhesive strips come to rest in each case over a hole of the transport perforation. Subsequently, the portions are pushed through the relevant hole, turned over and placed on. <??>In order that the set of forms is no longer damaged when the adhesive strips are cut off and the wear of the separation device is considerably reduced, before the adhesive strip (17) is placed completely on the set of forms (4) it is cut off above the set of forms without cutting into the latter. For this purpose, the separation device (12) is arranged with clearance from the pressing-on device (18, 19; 20, 21) and provided with blades (14, 15) and counter-blades (16) above the transport path of the set of forms (4). <IMAGE>

Description

Die Erfindung betrifft eine Vorrichtung zum Zusammenheften der Lagen von Formularsätzen nach dem Oberbegriff des Anspruchs 1.The invention relates to a device for stitching the layers of form sets together according to the preamble of claim 1.

Formularsätze bestehen in der Regel aus mehreren Lagen leporelloartig gefalteter Formularbahnen, wobei die Formularbahnen entweder als durchschreibendes Papier ausgebildet oder zwischen ihnen Kohlepapierblätter angeordnet sind. Meist an beiden Rändern ist je eine Transportlochung vorgesehen, in deren Löcher der Traktor eines Druckers einfassen kann. Die Transportlochungen sind meist über Perforierungen mit den Formularbahnen verbunden und lassen sich somit nach dem Drucken entfernen.Form sets generally consist of several layers of leporello-like folded form webs, the form webs either being designed as copying paper or carbon paper sheets arranged between them. A transport perforation is usually provided on both edges, in the holes of which the tractor of a printer can mount. The transport perforations are usually connected to the form webs via perforations and can therefore be removed after printing.

Die einzelnen Lagen eines Formularsatzes müssen zusammengehalten und gegeneinander fixiert werden, damit gewährleistet ist, daß sich die übereinanderliegenden Lagen nicht beim Bedrucken oder Beschreiben gegeneinander verschieben können, also ihre vorgesehene, deckungsgleiche Lage behalten. Zu dieser Fixierung werden unter anderem kleine Klebestreifen verwendet, die durch einzelne Löcher der Transportlochung greifen und dabei die Blätter eines Satzes bügelförmig umfassen.The individual layers of a set of forms must be held together and fixed against each other so that it is ensured that the layers lying on top of one another cannot shift relative to one another when printing or writing, that is to say they retain their intended, congruent position. For this fixation, among other things, small adhesive strips are used which reach through individual holes in the transport perforation and thereby enclose the sheets of a set in a bow shape.

Das Anbringen der Klebestreifen in der vorbeschriebenen Form geschieht mittels spezieller Vorrichtungen. Eine solche Vorrichtung ist in der DE-A-1 436 814 beschrieben. Sie weist eine Transporteinrichtung für den Formularsatz sowie eine Zuführeinrichtung zum Zuführen eines Klebebandes auf. In erster Linie wird dabei die Zuführung quer zur Laufrichtung der Transporteinrichtung beschrieben. Eher beiläufig wird in den Figuren (2) und (2a) sowie in der Beschreibung auf Seite 8 zweiter Abschnitt eine Zuführung des Klebebandes auch in Laufrichtung der Transporteinrichtung erläutert. Es wird nicht näher ausgeführt, wie bei dieser Vorrichtung die Trenn- und Andrückeinrichtungen ausgebildet sind und arbeiten. Analog zu der Trenn- und Andrückeinrichtung bei quer zur Laufrichtung zugeführtem Klebeband kann jedoch angenommen werden, daß die Trenneinrichtung aus einem vertikalen, hin- und herbewegbaren Messer mit oberhalb der Transportbahn angeordnetem Gegenmesser besteht und die Andrückeinrichtung als mit dem Messer beweglicher Andrückstempel ausgebildet ist.The adhesive strips in the form described above are attached using special devices. Such a device is described in DE-A-1 436 814. It has a transport device for the set of forms and a feed device for feeding an adhesive tape. First The line is described as transverse to the running direction of the transport device. Rather casually, a supply of the adhesive tape is also explained in the running direction of the transport device in the figures (2) and (2a) and in the description on page 8 second section. It is not explained in detail how the separating and pressing devices are designed and work in this device. Analogous to the separating and pressing device with adhesive tape fed transversely to the running direction, however, it can be assumed that the separating device consists of a vertical, reciprocating knife with a counter knife arranged above the transport path and the pressing device is designed as a pressing die movable with the knife.

Diese Ausgestaltung setzt voraus, daß das Klebeband diskontinuierlich zugeführt wird, d. h. daß es für den Schnitt und das anschließende Andrücken des Klebestreifens angehalten wird. Ein solcher intermittierender Vorschub des Klebebandes hat eine relativ kompliziert aufgebaute Vorrichtung mit einer Reihe von Verschleißteilen zur Folge. Ferner sind der Schnelligkeit dieser Vorrichtung Grenzen gesetzt, d.h. sie kann nur bei relativ niedriger Geschwindigkeit der Transporteinrichtung für den Formularsatz betrieben werden. Die Vorrichtung arbeitet also trotz ihrer hohen Kosten wenig rationell.This configuration presupposes that the adhesive tape is fed intermittently, i. H. that it is stopped for the cutting and the subsequent pressing of the adhesive strip. Such an intermittent feed of the adhesive tape results in a relatively complicated device with a number of wear parts. Furthermore, the speed of this device is limited, i.e. it can only be operated at a relatively low speed of the transport device for the form set. In spite of its high costs, the device therefore does not work very efficiently.

Ein weiterer Nachteil besteht darin, daß der Klebestreifen nach dem Abschneiden die Geschwindigkeit null hat und beim Aufsetzen auf den Formularsatz auf dessen Geschwindigkeit plötzlich beschleunigt werden muß. Hierdurch entstehen Ungenauigkeiten hinsichtlich des Ortes der Aufbringung, d. h. es ist nicht gesichert, daß der Klebestreifen an dem dafür vorgesehenen Ort aufgedrückt wird. Damit zusammen hängt das Problem, daß der Andrückstempel ebenfalls die Geschwindigkeit null hat, so daß es beim Andrücken zu einem Vorbeireiben des Formularsatzes an dem Andrückstempel kommt. Das Andrücken darf also nicht mit zu hoher Kraft erfolgen, was die Neigung zur Ungenauigkeit des Aufbringes des Klebestreifens verstärkt.Another disadvantage is that the adhesive strip has zero speed after cutting and suddenly has to be accelerated to its speed when it is placed on the form set. This results in inaccuracies in the location of the application, ie it is not ensured that the adhesive strip is pressed on at the intended location. Related to this is the problem that the pressure stamp also has zero speed, so that when the pressure is pressed the form set is rubbed past the pressure stamp. The pressing must not be too high force occur, which increases the tendency to inaccuracy when applying the adhesive strip.

Der Erfindung liegt deshalb die Aufgabe zugrunde, eine Vorrichtung bereitzustellen, die sich durch einfachen Aufbau auszeichnet und mit der sich hohe Verarbeitungsgeschwindigkeiten erzielen lassen.The invention is therefore based on the object of providing a device which is distinguished by a simple structure and with which high processing speeds can be achieved.

Diese Aufgabe wird erfindungsgemäß dadurch gelöst, daß das Messer bzw. die Messer auf dem Umfang einer umlaufenden Walze mit quer zur Transportrichtung verlaufender Drehachse angeordnet ist bzw. sind. Mit der erfindungsgemäß vorgesehenen Ausbildung der Trenneinrichtung eröffnet sich die Möglichkeit, das Klebeband kontinuierlich zuzuführen, und zwar mit einer Geschwindigkeit, die mit der des Formularsatzes synchronisiert ist. Dies vereinfacht die Vorrichtung enorm, denn die für den intermittierenden Vorschub notwendigen, sehr aufwendigen Vorrichtungsteile können hier wegfallen. Mit einem kontinuierlichen Zulauf und aufgrund des Umlaufes des Messers bzw. der Messer lassen sich hohe Verarbeitungsgeschwindigkeiten erzielen.This object is achieved in that the knife or the knives is or are arranged on the circumference of a rotating roller with an axis of rotation extending transversely to the transport direction. With the design of the separating device provided according to the invention, it is possible to feed the adhesive tape continuously, at a speed that is synchronized with that of the form set. This simplifies the device enormously, since the very complex device parts necessary for the intermittent feed can be omitted here. With a continuous feed and due to the rotation of the knife or knives, high processing speeds can be achieved.

In Ausbildung der Erfindung ist vorgesehen, daß die Walze Teil der Andrückeinrichtung ist und zumindest einen Andrücknocken in Drehrichtung vor dem bzw. den Messer(n) aufweist.In an embodiment of the invention it is provided that the roller is part of the pressing device and has at least one pressing cam in the direction of rotation in front of the knife (s).

In der Zeichnung ist die Erfindung an Hand eines schematisch dargestellten Ausführungsbeispiels näher veranschaulicht. Sie zeigt in einer Seitenansicht den ersten Teil einer Vorrichtung zum Zusammenheften der Lagen von Formularsätzen.In the drawing, the invention is illustrated in more detail with the aid of a schematically illustrated exemplary embodiment. It shows a side view of the first part of a device for stitching the layers of form sets together.

Die Vorrichtung weist einen Gehäuseabschnitt (1) auf, an dem waagerechte Stützflächen (2, 3) befestigt sind. Diese Stützflächen (2, 3) bilden die Laufbahn für einen Formularsatz (4), der hier durch eine strichpunktierte Linie dargestellt ist. Der Antrieb für die Bewegung des Formularsatzes (4) ist üblicher Art und deshalb hier weggelassen. Der Formularsatz (4) bewegt sich in Richtung des Pfeiles A.The device has a housing section (1) to which horizontal support surfaces (2, 3) are attached. These support surfaces (2, 3) form the track for a set of forms (4), which is represented here by a dash-dotted line. The drive for the movement of the form set (4) is conventional and is therefore omitted here. The form set (4) moves in the direction of arrow A.

Von oben her wird ein Klebeband (5) - ebenfalls durch eine strichpunktierte Linie dargestellt - zugeführt. Es durchläuft eine Führungsöse (6), die an einem Schwenkhebel (7) angebracht ist. Anschließend passiert das Klebeband (5) eine Zuführeinrichtung (8), die aus einer Treibrolle (9), die motorisch angetrieben ist, und einer Andrückrolle (10) besteht. Die Andrückrolle (10) liegt unter Vorspannung an der Treibrolle (9) an und ist an einem Schwenkhebel (11) gelagert.An adhesive tape (5) - likewise represented by a dash-dotted line - is fed in from above. It passes through a guide eye (6) which is attached to a swivel lever (7). The adhesive tape (5) then passes through a feed device (8) which consists of a drive roller (9) which is driven by a motor and a pressure roller (10). The pressure roller (10) bears against the drive roller (9) under prestress and is mounted on a swivel lever (11).

Das Klebeband (5) gelangt dann - schräg auf den Formularsatz (4) zulaufend - in den Bereich einer Schneideinrichtung (12). Diese Schneideinrichtung (12) besteht zum einen aus zwei auf einer Walze (13) angeordneten Messern (14, 15) und zum anderen aus einem ortsfest unmittelbar oberhalb der Laufbahn des Formularsatzes (4) angeordneten Gegenmesser (16). Die Walze (13) ist motorisch angetrieben. Beim Aufeinandertreffen eines der beiden Messer (14, 15) auf das Gegenmesser (16) wird das zwischen beiden hindurchgeführte Klebeband (5) durchgeschnitten. Die Drehzahl der Zuführeinrichtung (8) und der Schneideinrichtung (12) sind dabei so aufeinander abgestimmt, daß jeweils die gewünschte Länge von Klebeband (5) abgeschnitten wird. In Bezug auf die Geschwindigkeit des Formularsatzes (4) ist die Synchronisation so getroffen, daß jeweils ein vom Klebeband (5) abgeschnittener Klebestreifen (17) in regelmäßigen Abständen auf den Fomularsatz (4) gelangt.The adhesive tape (5) then reaches - at an angle Form set (4) tapering - in the area of a cutting device (12). This cutting device (12) consists, on the one hand, of two knives (14, 15) arranged on a roller (13) and, on the other hand, of a counter knife (16) arranged in a fixed position directly above the track of the form set (4). The roller (13) is driven by a motor. When one of the two knives (14, 15) encounters the counter knife (16), the adhesive tape (5) passed between the two is cut. The speed of the feed device (8) and the cutting device (12) are matched to one another in such a way that the desired length of adhesive tape (5) is cut off in each case. With regard to the speed of the form set (4), the synchronization is such that in each case an adhesive strip (17) cut off from the adhesive tape (5) reaches the form set (4) at regular intervals.

Die Walze (13) weist in Drehrichtung gesehen jeweils vor den Messern (14, 15) einen Andrücknocken (18, 19) auf, der etwas vorsteht und starr eingefaßt ist. Diese Andrücknocken (18, 19) korrespondieren mit federnd gelagerten Andrücknocken (20, 21) auf einer genau unterhalb der Walze (13) angeordneten zweiten Walze (22). Die Andrücknocken (20, 21) sind mit in Umfangsrichtung verlaufenden Federbändern (23, 24) gekoppelt.As viewed in the direction of rotation, the roller (13) has a pressure cam (18, 19) in front of the knives (14, 15), which protrudes somewhat and is rigidly framed. These pressure cams (18, 19) correspond to spring-loaded pressure cams (20, 21) on a second roller (22) arranged exactly below the roller (13). The pressure cams (20, 21) are coupled to spring bands (23, 24) running in the circumferential direction.

Beide Walzen (13, 22) sind derart miteinander synchronisiert, daß ihre Andrücknocken (18, 19) bzw. (20, 21) den Formularsatz (4) mit dem darauf aufgebrachten Klebestreifen (17) zwischen sich paarweise einklemmen und damit den Klebestreifen (17) auf dem Formularsatz (4) festheften, nachdem der Klebestreifen (17) zuvor abgeschnitten worden ist. Der Formularsatz (4) läuft dann weiter, wobei in anschließenden, hier nicht näher dargestellten Stationen Teile des Klebestreifens (17) durch die Perforation des Formularsatzes (4) hindurchgestoßen und anschließend auf der Rückseite umgelegt werden. Dies geschieht in konventioneller, vorbekannter Weise.Both rollers (13, 22) are synchronized with each other in such a way that their pressure cams (18, 19) or (20, 21) clamp the form set (4) with the adhesive strip (17) attached to them in pairs and thus the adhesive strip (17 ) on the form set (4) after the adhesive strip (17) has been attached has been cut off. The form set (4) then continues, parts of the adhesive strip (17) being pushed through the perforation of the form set (4) in subsequent stations (not shown here) and then folded over on the back. This is done in a conventional, previously known manner.

Der vorbeschriebene Vorgang wiederholt sich andauernd, d.h. das Klebeband (5) wird von der Zuführeinrichtung (8) herangezogen, und es wird anschließend mittels der Schneideeinrichtung (12) ein Klebestreifen (17) abgetrennt und mittels zwei sich gegenüberstehenden Andrücknocken (18, 19) bzw. (20, 21) angeheftet.The process described above is repeated continuously, i.e. the adhesive tape (5) is drawn in by the feed device (8), and an adhesive strip (17) is then cut off by means of the cutting device (12) and attached by means of two opposing pressure cams (18, 19) or (20, 21).

Claims (2)

  1. Device for attaching together the sheets of multi-part forms (4) having at least one marginal set of sprocket holes, the device comprising a paper advance device for the multi-part form (4), a feeding device (8) for supplying an adhesive tape (5) in the direction of operation of the paper advance device, a separating unit (12) for cutting off the adhesive strips (17) from the adhesive tape (5) at right angles to the paper advance direction, a contact-pressure unit (18, 19, 20, 21) for pressing the adhesive strips (17) onto the multi-part form (4) in such a way that sections of the adhesive strips (17) are positioned each over one hole of the set of sprocket holes, and - to the rear in the direction of operation - a push-through device and a folding device for pushing through portions of the adhesive strips (17) and folding them back towards the rear, and the separating device (12) being set at a distance from the contact-pressure device (18, 19, 20, 21) and with its blade (14, 15) and fixed counterblade (16) set above the path of the multi-part form (4),
    characterised in that the blade or blades (14, 15) is/are disposed at the circumference of a revolving roller (13) with its rotational axis running at right angles to the paper advance direction.
  2. Device according to claim 1,
    characterised in that the roller (13) forms part of the contact-pressure device (18, 19; 20, 21) and has at least one contact-pressure cam (18, 19) in front of the blade or blades (14, 15) in the direction of rotation.
EP87102499A 1986-06-24 1987-02-21 Method and device for attaching together webs of form sets Expired - Lifetime EP0250709B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT87102499T ATE83197T1 (en) 1986-06-24 1987-02-21 METHOD AND APPARATUS FOR STAPLING THE LAYERS OF FORM SETS TOGETHER.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3621061 1986-06-24
DE19863621061 DE3621061A1 (en) 1986-06-24 1986-06-24 FORM SET AND METHOD AND DEVICE FOR BONDING THE LAYERS OF FORM SETS

Publications (3)

Publication Number Publication Date
EP0250709A2 EP0250709A2 (en) 1988-01-07
EP0250709A3 EP0250709A3 (en) 1989-11-15
EP0250709B1 true EP0250709B1 (en) 1992-12-09

Family

ID=6303548

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87102499A Expired - Lifetime EP0250709B1 (en) 1986-06-24 1987-02-21 Method and device for attaching together webs of form sets

Country Status (5)

Country Link
US (1) US4894109A (en)
EP (1) EP0250709B1 (en)
AT (1) ATE83197T1 (en)
DE (2) DE3621061A1 (en)
ES (1) ES2036534T3 (en)

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US731702A (en) * 1902-08-08 1903-06-23 August Monforts Machine for measuring and marking fabrics or the like.
FR814150A (en) * 1936-11-28 1937-06-17 Machine for making fabric sample sheets
US2507683A (en) * 1947-03-31 1950-05-16 Battle Creek Bread Wrapping Machine Co Label attaching mechanism for wrapping machines
US3192807A (en) * 1963-01-21 1965-07-06 Cons Papers Inc Sheet control system for paper cutters
DE1436814A1 (en) * 1964-12-02 1969-01-02 Imprimex Maschb Ag Device for automatically connecting the individual tracks of a set of forms or the like. by means of glued-on small bow-like tabs
DE2205714C2 (en) * 1972-02-08 1974-01-03 Imprimex Maschinenbau Ag, Zug (Schweiz) Device for cutting off individual sections, each corresponding to a tab, from a tab material supplied in the form of a continuous belt for the production of endless sets of forms
DE2261729C3 (en) * 1972-12-16 1975-10-02 Fa. E.C.H. Will, 2000 Hamburg Device on a rotating cross cutter
IT1154909B (en) * 1980-12-10 1987-01-21 Conti P ROTATING BINDER WITH TAPE POINTS FOR CONTINUOUS TABLET MODULES
DE3122627C1 (en) * 1981-06-06 1986-06-19 Hans-Helmut 6100 Darmstadt Jakob Device for producing connection points for superimposed, continuously transported webs
IT8221308V0 (en) * 1982-03-24 1982-03-24 Bama Spa APPLICATION DEVICE FOR LOCKING TAPES FOR MULTIPLE SHEET MATERIAL.
DE3417748C2 (en) * 1983-09-06 1986-09-18 Graphotechnik Jung KG, 7512 Rheinstetten Device for attaching U-shaped tabs in a transport perforation of a multi-ply continuous form

Also Published As

Publication number Publication date
DE3621061A1 (en) 1988-01-14
DE3621061C2 (en) 1988-04-14
ES2036534T3 (en) 1993-06-01
US4894109A (en) 1990-01-16
DE3782976D1 (en) 1993-01-21
ATE83197T1 (en) 1992-12-15
EP0250709A3 (en) 1989-11-15
EP0250709A2 (en) 1988-01-07

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