EP0310525B1 - Verfahren und Vorrichtung zum Aufbringen und Schnüren eines weichen Bandes auf eine steife Unterlage, z.B. einen Karton - Google Patents

Verfahren und Vorrichtung zum Aufbringen und Schnüren eines weichen Bandes auf eine steife Unterlage, z.B. einen Karton Download PDF

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Publication number
EP0310525B1
EP0310525B1 EP88420318A EP88420318A EP0310525B1 EP 0310525 B1 EP0310525 B1 EP 0310525B1 EP 88420318 A EP88420318 A EP 88420318A EP 88420318 A EP88420318 A EP 88420318A EP 0310525 B1 EP0310525 B1 EP 0310525B1
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EP
European Patent Office
Prior art keywords
perforation
flexible band
band
appliance according
leaf
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP88420318A
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English (en)
French (fr)
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EP0310525A1 (de
Inventor
Francis Seeuws
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.)
L'OBLIQUE NICOLLET SA
Original Assignee
L'OBLIQUE NICOLLET SA
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Publication date
Application filed by L'OBLIQUE NICOLLET SA filed Critical L'OBLIQUE NICOLLET SA
Priority to AT88420318T priority Critical patent/ATE74312T1/de
Publication of EP0310525A1 publication Critical patent/EP0310525A1/de
Application granted granted Critical
Publication of EP0310525B1 publication Critical patent/EP0310525B1/de
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42F—SHEETS TEMPORARILY ATTACHED TOGETHER; FILING APPLIANCES; FILE CARDS; INDEXING
    • B42F7/00—Filing appliances without fastening means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42C—BOOKBINDING
    • B42C7/00—Manufacturing bookbinding cases or covers of books or loose-leaf binders

Definitions

  • the present invention relates to a method and device for positioning and lacing a flexible link on a rigid support such as cardboard.
  • This process is specially intended for the installation and fixing of elastic closures on file folders of the type consisting of at least two cardboard flaps, one forming the back and the other the flap of the shirt, the back being provided with an elastic band fixed at its two ends at two distinct points on the external face of the back and extending both on this external face and on the internal face of the back in a broken line path, the passage, from one face to the other of the back of the shirt of this elastic being produced by means of two holes made therein.
  • the document FR-A-2 503 803 relates to a method and a machine for fixing at least one end of a flexible elastic link in tension on a support in sheet or plate, consisting in mechanically passing through one end of an elastic link a first perforation of the support, pinching this end by mechanical means, then moving these - mechanical means towards a second perforation of the support, before passing the latter through the link.
  • This device has the drawback of not guaranteeing a good grip of the free end of the link by the clamp, because the flexible link is pushed towards the latter.
  • a "flat" mounting of the link between the two perforations is absolutely not guaranteed. Such a device is therefore not suitable for operating at high rates.
  • Document DE-A-2 326 485 relates to a device for ensuring the pneumatic displacement of a wire during the unwinding thereof. This is essentially to achieve an axial movement of the wire.
  • the object of the present invention is to provide a method and a device making it possible, in general, to automatically lacing a flexible link on a cardboard blank or the like, and more precisely, to pass, without to resort to manual assistance, a flexible link such as an elastic through a perforation made in a cardboard blank or the like and to take it up and guide it according to a determined path, in a safe manner and with high rates.
  • the device according to the invention essentially comprises a circular rotary crown 1 intended to bring the elastic wire 2, and a horizontal work table 3 fixed to a frame 3a, disposed above the end upper part of the crown 1 and intended to receive the classification shirts 4 which must receive the elastic thread 2, these shirts 4 being provided with perforations 4a, 4b intended respectively for the passage of the elastic thread 2 by means of needles 31 and for the fixing of this one.
  • the crown 1 is rotated by means of an electric motor (60) (see Figure 1) which also controls, as will be seen below, the other mechanical movements of the device.
  • the rotational movement of the circular crown 1 is controlled by an indexer very precisely positioning the rotational stops of this crown, necessary to execute the various operations such as cutting the elastic thread and passing the lacing needles. Therefore, the circumference of the crown is equivalent to three theoretical lengths of the elastic thread, and consequently, the indexer itself controlled by the electric motor causes the crown to execute a movement of 120 °, then a stop for a time allowing the execution of the mechanical movements mentioned above, before executing a new movement of 120 °.
  • the elastic thread 2 which has a flat section is unwound in a manner known per se, from coils on which it is wound and is relaxed using equipment maintaining a constant tension before entering the device.
  • this elastic thread 2 thus relaxed is engaged in a peripheral groove 1a of the circular crown.
  • this groove 1a has a cross section in the shape of a dovetail calibrated to the dimensions of the elastic wire 2.
  • This circular crown 1 also has at three places around its circumference pairs of leaf spring systems 5 intended to retain portions 2a of the elastic wire in the groove 1a.
  • each leaf spring 5 extends tangentially to the opening of the groove in the dovetail and is capable of being moved perpendicular to the plane of the crown 1a to open or close the opening of this throat.
  • Each leaf spring 5 is fixed to the end of a rod 6 slidably mounted transversely to the plane of the crown 1 and returned, by means of a spring 6b, in the closed position of the groove la of the crown, it i.e. to the left in Figure 3.
  • each rod At the end of each rod is mounted a roller 6a intended to cooperate with cam surfaces 7 for the opening of the groove 1a.
  • the cam surfaces 7 are fixed to the frame 3a of the device, in three places A, B, C thereof, distant from each other by about 120 ° (cf. FIG. 2).
  • the cam surface 7 is designed so as to cause the momentary opening of the groove 1a by opening the two leaf springs 5, in order to allow the introduction of the elastic thread, then the closing of this groove in order to avoid a release of this elastic thread.
  • the cam surface 7 is designed so as to cause the opening only of the leaf spring 5 located furthest to the left in FIG. 2, the other leaf spring remaining closed.
  • a knife 8 intended to cut the elastic thread 2 engaged in the groove of the crown 1.
  • the movement of this knife 8 is effected by means of a system of links 9 according to an arc of circle substantially perpendicular to the plane of the crown 1 (see Figure 3) and is controlled by the general drive motor of the crown 1, as will be seen later.
  • the elastic wire 2 is introduced into the open groove 1a of the crown at level A of the device and is held therein by the closing of the two leaf springs 5 (see above) .
  • the work table 3 has, in its central part, an opening 13 into which the upper part of the circular crown 1a penetrates.
  • This work table 3 also has two positioning pins 14 able to engage in perforations of the cardboard folder 4 to be provided with elastic bands. As will be seen later, these centering lugs 14 are able to retract and are controlled by jacks 14a.
  • a presser 17 is disposed above this work table, in order to press the cardboard folder 4 against it. As shown in Figure 3, this presser 17 is pivotally mounted in its middle part at 17a and is biased at its rear end by a jack 18. This jack 18 is used to rotate the presser 17 clockwise in order to press the jacket 4 on the table 3 by its end 17 b opposite the jack 18.
  • a return spring 19 makes it possible to pivot the presser 17 in the opposite direction, that is to say to 'raise its end 17b, in order to release the jacket 4.
  • a pressing system is also provided inside the circular crown 1.
  • This pressing system consists of a strip 20 capable of being moved upwards by means of an electromagnet 21, so as to press against the table working 3 the elastic thread 2 being under it, in opposition to the presser 17.
  • This system 30 is also mounted a system 30 intended to thread the elastic thread into the holes of the jacket 4.
  • This system 30 consists of two parallel needles 31 mounted vertically displaceable and guided in guides 33. The displacement of each of these needles is carried out using a link system 32 controlled in a manner known per se by the drive motor of the crown 1 (see FIGS. 2 and 3).
  • the movements of the needles 31, as well as those of the knife 8 are transmitted to the drive systems thereof from the engine by electromechanical clutches such as those of the type known under the trade name WARNER, so as to ensure a very precise movement of these various elements during the exact duration of rotation stop of the crown.
  • safety cams (not shown in the drawing) electrically control the relative positions of the various parts to avoid rotation of the crown if one of the mechanical parts forms an obstacle to this rotation.
  • each carriage 40 capable of moving each in a horizontal plane along an oblique line.
  • Each of these carriages 40 is slidably mounted along two horizontal pins 41 and is moved along these by means of a jack 42 (see FIG. 3).
  • Each of the carriages 40 carries a vertical suction tube 45 and a needle 46 which can be moved vertically by means of a jack 47.
  • the suction tubes 45 thereof are aligned above the needles 30 of the circular crown 1 and the perforations 4a of the cardboard folder 4 (position in solid lines in FIG. 2 ).
  • Each carriage also has at its lower part a leaf spring 50 extending under the needle 46 of this carriage and intended, as will be seen below, to apply the elastic thread 2 against the jacket 4, throughout the duration of movement of this carriage 40.
  • Each leaf spring 50 has in its central part a recess 50 a to allow the passage of the associated needle 46 when it is lowered.
  • the elastic wire 2 is brought into the groove 1a of the circular crown 1 and is cut into sections 2a by the knife 8 as and as the circular crown 1 rotates.
  • the two ends which have just been cut are each held in place in the groove 1a by the leaf springs 5 located at the level of the knife 8 (cf. FIG. 5) .
  • Each section 2a of elastic wire is therefore held in place at each of its ends by a leaf spring 5. It is brought, as the circular crown 1 rotates, in position B shown in FIG. 6 In this position the middle part of a section of elastic wire 2a is located just below the perforations 4a formed in the jacket 4 and the needles 31 begin to rise. In this position, the elastic 2a is kept pressed against the underside of the jacket 4 by the pressing system 20 as explained above. Simultaneously, the ends of this elastic wire are released by the corresponding spring blades 5, and the elastic wire is therefore no longer retained except by the lamella 20.
  • the two needles 31 are moved upwards and engaged in the perforations 4a, so as to pass the ends of the section 1a of elastic thread through its perforations 4a.
  • the ends of the section 1a are sucked in by the suction tubes 45 arranged in alignment with the needles 31 (cf. FIG. 7).
  • the two needles 31 then descend as does the pressing system 20. At this time, the portion of elastic thread 2a is completely released from the circular crown 1.
  • the two carriages 40 then move obliquely under the effect of their respective cylinders 42, to bring the suction tubes 45 from the perforations 4a to the perforations 4b (see FIG. 8).
  • each of these carriages 40 is carried out so that the suction tube 45 associated with this carriage is located slightly beyond the perforation 4b and that the associated needle 46 is found in alignment with the latter.
  • leaf springs 50 apply the elastic thread against the work table 3 throughout the displacement of the latter, from the perforations 4a to the perforations 4b, and therefore ensure a perfect flattening of this elastic thread without any twisting of this one.
  • the needles 46 are then raised and there is then only to fix each of the ends of the elastic thread 2 at the perforations 4b, by any means known per se such as riveting.
  • the device according to the invention therefore makes it possible to automatically pass a flexible link such as an elastic thread through the perforations of a cardboard folder or the like, as well as to take up this elastic thread after passing through the perforations and to guide it according to a specific route.
  • the device according to the invention can therefore be used to make any kind of lacing or counter lacing on a rigid and flat material such as a sheet of cardboard.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Making Paper Articles (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)
  • Package Closures (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)

Claims (13)

1. Verfahren zum Positionieren und Befestigen eines weichen Bande (2), z.B. einer Gummilitze, durch nacheinander erfolgendes Hindurchführen durch zwei Perforationslöcher (4a, 4b) eines formfesten Trägers, z.B. eines Kartonzuschnitts (4), wobei des Band das erste Perforationsloch in einer Richtung und dann das zweite Perforationsloch in der entgegengesetzten Richtung durchläuft, und wobei das Verfahren darin besteht, daß man nach dem Hinführen eines Endes des weichen Bandes in den Bereich des ersten Perforationsloch (4a).
- dieses Ende des Bandes durch Ansaugen von der anderen Seite des Zuschnitts der durch das erste Perforationsloch (4a) hindurchtreten läßt,
- die Ansaugmittel verschiebt, um dieses Ende des Bandes über des zweite Perforationsloch (4b) zu führen, und
- das Ende des Bandes nach Unterbrechen des Unterdrucks durch die Einwirkung mechanischer Mittel durch diese zweite Perforationsloch hindurchtreten läßt.
2. Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß der zentrale Teil das weichen Bandes gegen die erste Seite des formfesten Trägers blockiert wird, bis jedes Ende des weichen Bandes nach dem Hindurchtreten durch Perforationslöcher (4a, 4b) auf diese erste Seite zurückgeführt ist.
3. Verfahren nach einem der Ansprüche 1 und 2, dadurch gekennzeichnet, daß das weiche Band im Verlauf der Verschiebung der Ansaugmittel von dem ersten Perforationsloch (4a) zu dem zweiten Perforationsloch (4b) gegen die zweite Seite des formfesten Trägers gedrückt wird.
4. Vorrichtung zur Durchführung des Verfahrens nach Anspruch 1, bestehend aus einem Arbeitstisch (3) zur Aufnahme des formfesten Trägers, z.B. eines Kartonzuschnitts (4), oberhalb des Arbeitstisches (3) angeordneten Mitteln (1) zum Heranführen des weichen Bandes über den Kartonzuschnitt (4) in den Bereich jedes erste Perforationslochs (4a), wenigsten einem oberhalb des Arbeitstisches im Bereich jedes ersten Perforationslochs (4a) angeordneten Ansaugsystem (45) zum Ansaugen des weichen Bandes (2) durch Perforationsloch, wobei dieses Ansaugsystem (45) bis zum dem zweiten Perforationsloch (4b) verschiebbar ist, und einem mechanischen System zum Hindurchführen des betrachteten freien Endes des weichen Bandes durch diese zweite Perforationsloch (4b).
5. Vorrichtung nach Anspruch 4, dadurch gekennzeichnet, daß jedes Ansaugsystem aus einem vertikalen Rohr (45) besteht, in dessen Innern ein Unterdruck erzeugt wird, und daß dieses Rohr auf einem Wagen (40) montiert ist, der zwischen einem ersten Perforationsloch (4a) und einem zweiten Perforationsloch (4b) längs eines Weges verschiebbar ist, der demjenigen des weichen Bandes (2) entspricht.
6. Vorrichtung nach Anspruch 5, dadurch gekennzeichnet, daß jedes Rohr (45) mit einer Federklinge (50) ausgestattet ist, mittels derer das weiche Band (2) über seine Weglänge flach gegen den Arbeitstisch (3) andrückbar ist.
7. Vorrichtung nach Anspruch 6, dadurch gekennzeichnet, daß die Federklinge (50) mit einer Ausnehmung (50a) für der zugeordnet Nadel (46) ausgestattet ist.
8. Vorrichtung nach einem der Ansprüche 4 bis 7, dadurch gekennzeichnet, daß jedem Perforationsloch (4a, 4b) jeweils eine vertikal verschiebbare Nadel (31, 46) zum Hindurchführen des weichen Bandes (2) durch das betreffende Perforationsloch zugeordnet isst.
9. Vorrichtung nach einem der Ansprüche 4 bis 8, dadurch gekennzeichnet, daß das weiche Band (2) von einem mit einer Nut (1a) zur Aufnahme des Bandes ausgestatteten drehbaren Kranz (1) in die Höhe des Arbeitstisches (3) geführt wird und daß das Band mit Hilfe einer Ferderklinge (5), die die Öffnung der Nut (1a) verschließt und deren Verschiebung durch ein Nockensystem (5, 6, 7) gesteuert wird, im Innern dieser Nut (1a) gehalten wird.
10. Vorrichtung nach Anspruch 9, dadurch gekennzeichnet, daß das weiche Band (2) in dem Maße, in dem es in Kranz eingeführt wird, durch ein Messer (8) in Abschnitte (2a) zerteilt und daß jeder dieser Abschnitt durch auf jedes seiner Ende einwirkende Federklingen (5) in der Nut (1a) des Kranzes gehalten wird.
11. Vorrichtung nach einem der Ansprüche 9 und 10, dadurch gekennzeichnet, daß die Enden des weichen Bandes (2a) unmittelbar vor dem Eintreten desselben in die Perforationslöcher (4a) von den Federklingen freigegeben werden.
12. Vorrichtung nach Anspruch 11, dadurch gekennzeichnet, daß im Innern des Kranzes (1) ein Andrucksystem (20) vorgesehen ist, das dazu dient, das weiche Band (2a) nach der Freigabe Ende durch die Federklingen (5) gegen den Zuschnitt (4) zu drücken.
13. Vorrichtung nach Anspruch 12, dadurch gekennzeichnet, daß ein ein Andrucksystem (17) vorgesehen ist, das dazu dient, den Zuschnitt (4) gegen den Arbeitstisch (3) zu drücken.
EP88420318A 1987-09-21 1988-09-20 Verfahren und Vorrichtung zum Aufbringen und Schnüren eines weichen Bandes auf eine steife Unterlage, z.B. einen Karton Expired - Lifetime EP0310525B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT88420318T ATE74312T1 (de) 1987-09-21 1988-09-20 Verfahren und vorrichtung zum aufbringen und schnueren eines weichen bandes auf eine steife unterlage, z.b. einen karton.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8713546A FR2620652B1 (fr) 1987-09-21 1987-09-21 Procede et dispositif de positionnement et lacage d'un lien souple sur un support rigide tel qu'un carton
FR8713546 1987-09-21

Publications (2)

Publication Number Publication Date
EP0310525A1 EP0310525A1 (de) 1989-04-05
EP0310525B1 true EP0310525B1 (de) 1992-04-01

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EP88420318A Expired - Lifetime EP0310525B1 (de) 1987-09-21 1988-09-20 Verfahren und Vorrichtung zum Aufbringen und Schnüren eines weichen Bandes auf eine steife Unterlage, z.B. einen Karton

Country Status (5)

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EP (1) EP0310525B1 (de)
AT (1) ATE74312T1 (de)
DE (1) DE3869717D1 (de)
ES (1) ES2030520T3 (de)
FR (1) FR2620652B1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6361236B1 (en) 1997-08-07 2002-03-26 Avery Dennison Corporation Paper storage item and method of making same
CN107080348B (zh) * 2016-02-16 2023-08-15 金华市鹰豪电子机械有限公司 一种全自动翻圈机
ES2768849T3 (es) 2016-04-14 2020-06-23 Cabero Group 1916 S A Procedimiento de colocación de una cinta en una cubierta de encuadernación y máquina para la realización de dicho procedimiento
EP3231628B1 (de) 2016-04-14 2019-04-03 Cabero Group 1916, S.A. Verfahren zum anbringen einer schleife eines bandes auf einer buchbindeabdeckung und maschine zur durchführung des besagten verfahrens

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1773009A (en) * 1929-08-17 1930-08-12 Ralph H M Rhoda Box-stringing machine
DE2326485C2 (de) * 1973-05-24 1982-03-11 Ltg Lufttechnische Gmbh, 7000 Stuttgart Gerät zur Fadenabsaugung
FR2503803B1 (fr) * 1981-04-09 1987-08-07 Lheritier Desire Procede et machine de fixation d'au moins une zone d'extremite d'un lien elastique souple en tension sur un support en feuille ou en plaque

Also Published As

Publication number Publication date
FR2620652A1 (fr) 1989-03-24
ATE74312T1 (de) 1992-04-15
EP0310525A1 (de) 1989-04-05
ES2030520T3 (es) 1992-11-01
FR2620652B1 (fr) 1989-12-08
DE3869717D1 (de) 1992-05-07

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