EP0666185B1 - Méthode et dispositif pour fabriquer une reliure - Google Patents

Méthode et dispositif pour fabriquer une reliure Download PDF

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Publication number
EP0666185B1
EP0666185B1 EP95100338A EP95100338A EP0666185B1 EP 0666185 B1 EP0666185 B1 EP 0666185B1 EP 95100338 A EP95100338 A EP 95100338A EP 95100338 A EP95100338 A EP 95100338A EP 0666185 B1 EP0666185 B1 EP 0666185B1
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EP
European Patent Office
Prior art keywords
melt adhesive
hot melt
forming tool
cover sheet
cover
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
EP95100338A
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German (de)
English (en)
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EP0666185A1 (fr
Inventor
Peter Lázár
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Individual
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Individual
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    • 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 invention relates to a method for producing a Cover cover according to the preamble of claim 1 and a device for Implementation of this method according to the preamble of claim 6.
  • Cover binders of the above type usually consist of a cover spine and adjoining it via folds Cover covers on the front and back. They are mostly out Cardboard made, with the cover on the front can also consist of a transparent plastic. Bindings of this type are for example in DE-PS 25 28 225 and DE-OS 22 37 583 described.
  • Hot melt adhesive There is a stripe on the inside of the back cover Hot melt adhesive applied.
  • hot melt adhesives are included Room temperature, but - depending on the composition - plastic at temperatures between 70 ° C and 190 ° C. After Subsequent cooling, the hot melt adhesive takes firm again State, whereby this process can be repeated several times.
  • the above properties of the hot melt adhesive are used in Binding sheets of paper in such a cover exploited.
  • the paper sheets with their Longitudinal edges in the standing upright on their spine Cover blanket inserted so that the long edges on the still solid hot melt adhesive.
  • the cover is in brought a binding device, such as from the DE-OS 27 43 685 is known.
  • the cover is in this device with a back on a hot plate holding the hot melt adhesive through the back of the cover until it is plastified heated. After the transition to the plastic state, they penetrate Paper sheets in the hot melt adhesive so that their edges of be enclosed in the hot melt adhesive. Afterwards Cool the paper sheets firmly with the back of the cover connected.
  • DE-OS 29 37 171 is a generic method for discloses the production of cover binders, in which the liquefied hot melt adhesive directly from an extruder nozzle the cover spine is applied.
  • the disadvantage is that due to the surface tension of the liquid hot melt adhesive the hot melt adhesive applied regardless of the shape of the Extruder nozzle always takes on a caterpillar shape and thus towards the center of the hot melt adhesive strip is thicker than on its sides. The result of this is that when you later integrate it, the outside and therefore the most stressed paper sheets are held in a too thin hot melt adhesive layer and themselves therefore easily solve. In addition, the paper sheets before the Heating the hot melt adhesive will slide out or itself at least unevenly slant, which is also is undesirable. Also for perfect integration The exact positioning of the hot melt adhesive is not possible can be achieved to the desired extent. Finally, it fails Process even with very narrow hot melt adhesive application Widths around and under 1 mm.
  • the hot melt adhesive is up today in the form of a solid stripe on the cover spine placed on and under the influence of pressure and heat or using an additional adhesive glued. This can be done by hand or through a process happen as described in DE-OS 30 10 642.
  • the disadvantage here is that this method with a considerable manufacturing effort is purchased. This is for one caused by the fact that in the form of rolls or sheets existing raw material for the hot melt adhesive is more expensive than the raw material for the liquid application. On the other hand arises additional effort due to the previous shaping of the Hot melt adhesive in the desired strip shape.
  • the invention has for its object a method for Manufacture a cover folder to provide with which one Hot melt adhesive strips of the desired shape with little Expenses and failures can be applied. Another The task is to carry out this procedure to find a suitable device.
  • the first object is achieved in that the Hot melt adhesive after at least partial application on the cover sheet, preferably using a molding tool is reshaped.
  • the method according to the invention is based on the consideration from that the liquid or plastic hot melt adhesive after the Apply to the cover sheet with this immediately an intimate Connection enters into before it begins to cool and close solidify. Thus there is a firm connection between Hot melt adhesive strips and back cover guaranteed. On the the other side cools the free surface of the Strip of hot-melt adhesive to form a thin skin, the adhesiveness of the hot melt adhesive with the Cooling decreases. In the subsequent forming of the Hot melt adhesive strip with a molding tool attached to the attacks the free surface, the hot melt adhesive will not adhere to the mold. This procedure allows the hot melt adhesive strip by appropriate training of To give the mold virtually any cross section desired.
  • Forming the one applied to the cover sheet Hot melt adhesive can according to the invention both after complete application of the hot melt adhesive strip as well already with the application of part of the Hot melt adhesive can be performed.
  • the key is with that Forming the hot melt adhesive strip that the plastic Hot melt adhesive before forming on the cover sheet has been applied.
  • the Hot melt adhesive before applying to the cover sheet on a Temperature is heated above its solidification temperature and below the temperature of its complete liquefaction lies. This is the knowledge that belongs to the invention based on the fact that it is not necessary to use the hot melt adhesive so to be applied in liquid form so that it is on the cover sheet of self-distributed. By reshaping the hot melt adhesive strip namely, with a molding tool, it becomes uniform Distribution generated.
  • the invention further provides that on the cover sheet applied hot melt adhesive strips before forming on it free surface is cooled until there is a thin layer of solidified hot melt adhesive is formed. Thereby it is ensured that the hot melt adhesive on the with the Mold coming into contact with its surface Has lost adhesion properties so far that the subsequent forming without undesirable adherence of the Hot melt adhesive can be performed on the mold. It also ensures that the formed Hot melt adhesive strips by the surface tension of the free Surface does not take on caterpillar shape again by itself.
  • a device for performing the above Method is through a forming device for reshaping the Hot melt adhesive after application to the cover sheet, wherein the forming device is a mold and a May have pressing device for pressing the mold.
  • the mold of a stamp blanket and at least two Side walls limited and is on a lower long side and open on two faces. It is especially from Advantage if the mold end face end face walls having. In this way, after pressing the Mold achieves a closed shape, the one particularly precise positioning and shaping of the Hot melt adhesive strip causes.
  • the side walls of the mold are expediently designed as Bending edges for embossing folds in the cover sheet at Forming the hot-melt adhesive strip. Leave with it the forming of the hot melt adhesive strip and the application fold the cover folder in one operation.
  • the pressing device faces the open long side of the mold with a support surface the lower edges of the side walls of the mold opposite grooves. This will make the seal between the mold and the work surface improved.
  • the same purpose is served by an elastic design Support surface.
  • the hot melt adhesive can by appropriate training of Any desired cross-section can be given. It is particularly advantageous to use the mold on its Central longitudinal axis to a lower height than at the edges give. It is particularly beneficial if his stamp cover is arched downward towards the central longitudinal axis, because this way the hot melt adhesive strip on the side, on which the paper sheet edges stand when binding come, has a trough-shaped depression in cross section. This will remove the paper sheets before plasticizing the Hot melt adhesive strip brought together towards the middle. Furthermore is the hot melt adhesive strip on the long edges where the Paper sheets are particularly exposed to high loads thickest, which improves the hold of the paper sheets. After all, this opens up the possibility of low Hot melt adhesive thicknesses to work, so hot melt adhesive save.
  • the device for performing the invention can also be carried out using a provided at least one rotatably mounted roller Mold and a feed device for the mold to be marked.
  • a feed device for the mold to be marked.
  • the mold has a role with a particular circumferential groove for forming the hot melt adhesive strip having.
  • a role With the one above the hot melt adhesive strip moving mold, the role continues to rotate and that in contact with the hot melt adhesive strip when forming come surface section of the roll cools on the Ambient air. This remains during the forming of the Hot melt adhesive strip always on lower roll Temperature, causing the tendency of the hot melt adhesive at the Adhesion role is reduced. This will disrupt the Avoided production flow and the throughput of the device according to the invention increased.
  • the Groove a larger diameter in the area of their center line has than than at its edges, it is ensured that the Hot melt adhesive strips on the side on which the Paper sheet edges come to rest when binding, in Cross-section has a trough-shaped depression. This will the sheets of paper brought together towards the middle and also held together.
  • the hot melt adhesive application is to the Long edges where the paper sheets are particularly tall Exposed to the thickest, causing the hold of the Paper sheets is improved. Finally, this opens up the Possibility to work with small hot melt adhesive thicknesses, so Save hot melt adhesive.
  • the role is on both sides the groove has a circumferential embossing ring for embossing folds has in the cover folder.
  • the molding tool has two Rollers that are also supported on axles that Extensions essentially coincide. With such The molding tool will roll particularly precisely with respect to one Supported surface of the mold, resulting in a desired shape of the hot melt adhesive strip results.
  • the device according to the invention is in Mold between the rollers at least one down and Open recess on two ends for reshaping the Hot melt adhesive strip provided.
  • a Forming the molding tool with the hot melt adhesive strip formed a fixed mold part.
  • a movable mold part for reshaping the Hot melt adhesive strip is advantageous because it is movable Mold parts through intensive contact with the Hot melt adhesive can be so dirty that it is in their Mobility can be restricted.
  • the mold and feed device along the Conveyor path of a conveyor belt are arranged.
  • mold and feed device can complete the production of the binders automatically and with very high speed. This is especially so the case when the binders that come with a Hot melt adhesive strips should be provided automatically this conveyor belt will be put on. This increases the Throughput of the devices according to the invention.
  • the device (1) shown in perspective in FIG. (1) has a conveyor belt (2) with two conveyor belts (3), the placed over a drive roller (4) and a deflection roller (5) are.
  • the drive roller (4) which has an electric motor (6) is driven, and the deflection roller (5) are arranged that the straight sections extending between them the conveyor belt (3) is horizontal.
  • the above straight sections of the conveyor belt (3) are through a flat Support plate (7) supported.
  • With the electric motor switched on (6) the drive roller (4) rotates in the view shown clockwise what is shown by the Rotation direction arrow (8) is clarified.
  • a finished cover folder (13) the one Hot melt adhesive strips (14) in the desired shape and furthermore has folds (15) which cover the two covers (16) separate from the back cover (17), from the conveyor belt (2) be removed.
  • the feed device (9) with which the hot-melt adhesive strip (10) is applied to the cover sheet (11) has one thermostatically controlled heating container (18), the liquefied Contains hot melt adhesive.
  • the liquefied hot melt adhesive is from a pump (19) via a line (20) Piston metering device (21) supplied by a Heater (22) kept at such a high temperature is that the thermoplastic hot melt adhesive in the plastic Condition through a hot melt adhesive nozzle (23) as a caterpillar Hot melt adhesive strip (10) emerges.
  • the piston metering device (21) and the electric motor (6) are connected in such a way that at the beginning of the funding process the piston metering device (21) starts the conveyor belt (2) and the cover sheet (11) at a constant speed under the Hot melt adhesive nozzle (23) conveyed so that the Hot melt adhesive strip (10) has a uniform cross section. If the piston metering device is set correctly (21) and conveyor belt (2) begins the hot-melt adhesive strip (10) on one side edge of the cover sheet (11) and ends at the opposite edge.
  • the forming device (12) has a press carrier (24) which is above the Conveyor belt (2) extends transversely to it.
  • On a cantilever Leg of the press carrier (24) is one at the bottom hydraulic piston press (25) arranged on the piston (26) a molding tool (27) is attached, the length of which is equal to Width of the cover sheet (11) is.
  • the molding tool (27) is pressed by the piston press (25) onto the cover sheet (11) and forms the cover sheet (11) with that attached to it Hot melt adhesive strips (10) into the cover folder (13). This is after lifting the mold (27) by a Movement of the conveyor belt (2) further promoted and can then Conveyor belt (2) can be removed.
  • Figure (2) shows a cross section through the Feeder (9) standing cover sheet (11) and through the Support plate (7) with a view of the feed device (9), from only the hot melt adhesive nozzle (23) in the figure shown see is.
  • Figure (3) is the cover sheet (11) with the applied Hot melt adhesive strips (10) under the forming device (12) shown, of which only the mold (27) is shown.
  • the mold (27) from a stamp cover (28) and two Side walls (29) limited, on the lower edge of two Bending edges (30) are formed.
  • the cover sheet (11) is positioned under the mold (27).
  • Figure (4) shows that by reshaping the cover sheet (11) and the cover (13) of the hot-melt adhesive strip (10) with the hot-melt adhesive strip (14) trapezoidal cross-section.
  • the mold (27) still rests on the Hot melt adhesive strips (14). As you can clearly see, it fills Hot melt adhesive strips the entire of the stamp cover (28), the side walls (29) and the back cover (17) formed cavity.
  • the bending edges (30) press the Cover sheet (11) in the grooves (31) and form the folds (15).
  • Figure (5) finally shows the finished binder (13), which essentially consist of the hot-melt adhesive strips (14) with a trapezoidal cross-section on the cover spine (17) and the two cover covers (16), which by folds (15) are separated from the back cover (17).
  • FIG (6) shows a further device (32) for production a cover folder according to the inventive method.
  • the Device (32) has a conveyor belt (33) with conveyor belts (34), which are driven by a drive roller (35) and are guided over a deflection roller (36).
  • the driving role (35) is flanged to an electric motor (37).
  • the conveyor belt (33) has a support plate (38) which the upper sections between the drive roller (35) and Deflection roller (36) extending conveyor belt (34) supported.
  • a Feed device (39) In which a cover sheet (40) with a caterpillar-shaped hot-melt adhesive strip (41) is provided, and a forming device (42) arranged on the Binding (40) folds (43) attaches and Hot melt adhesive strip (41) into a hot melt adhesive strip (44) formed with a trapezoidal cross-section.
  • the feed device (39) has a heating container (45) which contains liquid thermoplastic hot melt adhesive, and a Pump (46), which the liquid hot melt adhesive via a line (47) feeds a metering device (48). Directly to the Dosing device (48) closes a hot melt adhesive nozzle (49) on by an electric heating element (50) on a is kept so high that the by the Hot melt adhesive nozzle (49) at least emerging hot melt adhesive is plastically deformable.
  • the feed device (39) is in a feed device (51) integrated, which essentially consisting of a hydraulic piston drive (52) and one on two Linear guides (53) mounted bracket (54). The Bracket (54) with a piston (55) of the piston drive (52) connected.
  • the piston drive (52) also stands with the feed device (39) in connection that from the Hot melt adhesive nozzle (49) emerges from hot melt adhesive exactly when the feed device (51) feeds the holder (54) in Gear sets.
  • the feed device (51) still the forming device (52) integrated.
  • the Forming device (52) is in the longitudinal direction of the Conveyor belt (33) seen as far from that Feeder (39) removes the distance between the distances two hot melt adhesive strips (41) on adjacent ones Binding folder sheets (40) corresponds. That way ensures that with a feed movement the Feed device (51) on a cover sheet (40) Hot melt adhesive strip (41) is applied while simultaneously on the in the conveying direction of the conveyor belt (33) closest cover sheet of hot melt adhesive strips (44) and the folds (43) are formed.
  • FIG (7) shows a molding tool (56) as a detail of Forming device (42).
  • the molding tool (56) has on it Bottom of a rotatably mounted roller (57).
  • the role (57) is in the middle with a circumferential groove (58) provided while encircling on both sides of the groove Embossing rings (59) are attached to the roll.
  • In the Support plate (38) have two grooves (60) so that the Embossing rings (59) when the feed device (51) moves in run these grooves (60).
  • the between mold (56) and Support plate (38) inserted cover sheet (40) is thus with provided two folds (43).
  • the Hot melt adhesive strips (41) through the groove (58) when turning the Roll (57) in a hot melt adhesive strip (44) with reshaped trapezoidal cross-section.
  • Figure (8) shows a further mold (61), which on its Has two rotatably mounted rollers (62) on the underside.
  • the Rolls (62) are each with an embossing ring on their circumference (63).
  • the embossing rings (63) roll when the Forming tool (61) through the feed device (51) in the Grooves (60) of the support plate (38). With a between Molding tool (61) and support plate (38) inserted cover sheet (40) folds (43) are embossed in this way.
  • Between Rolling (62) is a trapezoidal in the mold (61) Recess (64) for reshaping the hot-melt adhesive strip (41) intended.

Claims (23)

  1. Procédé pour fabriquer une reliure (13) à partir d'au moins une chemise (11, 40) comportant au moins une couverture (16) raccordée à un dos, selon lequel on applique une bande (10, 41) de colle fusible dans un premier temps sur la face intérieure de la chemise (11, 40), a l'endroit prévu pour le dos (17), laquelle chemise (11, 40) a été mise dans un état au moins plastique en la chauffant préalablement, caractérisé en ce que la colle fusible est formée après qu'elle a été appliquée au moins partiellement sur la chemise (11, 40).
  2. Procédé selon la revendication 1, caractérisé en ce que la colle fusible (10, 41) est formée à l'aide d'un moule (27, 56, 61).
  3. Procédé selon la revendication 2, caractérisé en ce que le moule (27, 56, 61) est déplacé longitudinalement et/ou transversalement par rapport à la bande de colle fusible (10, 41) pendant ou après le formage de celle-ci.
  4. Procédé selon l'une des revendications précédentes, caractérisé en ce qu'avant d'être appliquée sur la chemise, la colle fusible est chauffée à une température qui est supérieure à sa température de solidification et inférieure à la température à laquelle elle se liquéfie complètement.
  5. Procédé selon l'une des revendications précédentes, caractérisé en ce que la bande de colle fusible appliquée sur la chemise est refroidie avant le formage au niveau de sa surface libre, jusqu'à ce qu'il se soit formé à cet endroit-là une couche de colle fusible solidifiée.
  6. Dispositif pour mettre en oeuvre le procédé selon l'une des revendications 1 à 5, comportant au moins un dispositif de chauffage (22) pour liquéfier la colle fusible et un applicateur (9, 30) pour appliquer directement la colle fusible sur la chemise (11, 40) en ne formant une bande de colle fusible (10, 41) que sur la chemise (11, 40), caractérisé par un dispositif de formage (12, 42) pour former la colle fusible après qu'elle a été appliquée sur la chemise (11, 40).
  7. Dispositif selon la revendication 6, caractérisé en ce que le dispositif de formage présente un moule (27) et un dispositif de pression (25) pour appuyer le moule (27) sur la bande de colle fusible.
  8. Dispositif selon la revendication 7, caractérisé par un moule (27) délimité par un fond d'empreinte (28) et au moins deux parois latérales (29), qui est ouvert sur sa face longitudinale inférieure et sur deux faces latérales.
  9. Dispositif selon la revendication 8, caractérisé en ce que le moule présente sur ses faces frontales des parois de face frontale.
  10. Dispositif selon la revendication 8 ou 9, caractérisé en ce que les parois latérales (29) sont réalisées en tant qu'arêtes de pliage (30) pour imprimer des plis (15) dans la chemise (11) lors du formage de la bande de colle fusible (10).
  11. Dispositif selon l'une des revendications 8 à 10, caractérisé en ce que le dispositif de pression (25) présente en face de la face longitudinale ouverte du moule (27) une surface d'appui (7) comportant des rainures (31) faisant face aux arêtes inférieures des parois latérales (29).
  12. Dispositif selon l'une des revendications 8 à 11, caractérisé en ce que le dispositif de pression présente en face de la face longitudinale ouverte du moule une surface d'appui élastique.
  13. Dispositif selon l'une des revendications 8 à 12, caractérisé en ce que le moule présente dans la zone de son axe médian longitudinal une hauteur libre inférieure à celle au niveau des bords.
  14. Dispositif selon la revendication 6, caractérisé en ce que le dispositif de formage présente un moule (56, 61) muni d'au moins un galet monté tournant (57, 62) et un dispositif d'avancement (51) pour le moule (56, 61).
  15. Dispositif selon la revendication 14, caractérisé en ce que le moule (56) présente un galet (57).
  16. Dispositif selon la revendication 15, caractérisé en ce que le galet présente une rainure circulaire (58) pour former la bande de colle fusible (41).
  17. Dispositif selon la revendication 16, caractérisé en ce que la rainure présente dans la zone de sa ligne médiane un diamètre plus grand que sur les bords.
  18. Dispositif selon l'une des revendications 15 à 17, caractérisé en ce que le galet (57) présente de part et d'autre de la rainure (58) une virole (59) pour imprimer des plis (43) dans la chemise (40).
  19. Dispositif selon la revendication 14, caractérisé en ce que le moule (61) présente au moins deux galets (62).
  20. Dispositif selon la revendication 19, caractérisé en ce que les galets (62) sont montés sur des axes dont les prolongements se rejoignent pour l'essentiel.
  21. Dispositif selon la revendication 19 ou 20, caractérisé en ce que les galets (62) présentent chacun sur leur pourtour une virole circulaire (63) pour imprimer chaque fois un pli (43) dans la chemise (49).
  22. Dispositif selon l'une des revendications 19 à 21, caractérisé en ce qu'au moins évidement (64) ouvert en bas et sur deux faces frontales est prévu dans le moule (61) entre les galets (62), qui est destiné à former la bande de colle fusible (41).
  23. Dispositif selon l'une des revendications 7 à 22, caractérisé en ce que le moule (27, 56, 61) et l'applicateur (9, 39) sont disposés le long du tracé d'une bande transporteuse (2, 33).
EP95100338A 1994-02-08 1995-01-12 Méthode et dispositif pour fabriquer une reliure Expired - Lifetime EP0666185B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4403887A DE4403887C2 (de) 1994-02-08 1994-02-08 Verfahren und Vorrichtung zum Aufbringen von Schmelzkleber auf einen Einbandbogen
DE4403887 1994-02-08

Publications (2)

Publication Number Publication Date
EP0666185A1 EP0666185A1 (fr) 1995-08-09
EP0666185B1 true EP0666185B1 (fr) 1998-04-08

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Application Number Title Priority Date Filing Date
EP95100338A Expired - Lifetime EP0666185B1 (fr) 1994-02-08 1995-01-12 Méthode et dispositif pour fabriquer une reliure

Country Status (4)

Country Link
US (1) US5788436A (fr)
EP (1) EP0666185B1 (fr)
CA (1) CA2141996A1 (fr)
DE (2) DE4403887C2 (fr)

Cited By (1)

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Publication number Priority date Publication date Assignee Title
WO2017157296A1 (fr) * 2016-03-15 2017-09-21 广州市永合祥自动化设备科技有限公司 Mécanisme de distribution de colle de couverture intermédiaire à double sens d'écoulement

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DE4403887C2 (de) * 1994-02-08 1996-10-02 Peter Lazar Verfahren und Vorrichtung zum Aufbringen von Schmelzkleber auf einen Einbandbogen
DE20301019U1 (de) * 2003-01-22 2003-03-27 Swedex Gmbh & Co Kg Einband zum Binden eines Blattstapels
BE1017215A3 (nl) * 2006-07-11 2008-05-06 Unibind Ltd Werkwijze voor het vervaardigen van een thermisch inbindelement.
CN103213419B (zh) * 2013-04-17 2014-09-10 浙江欣炜机械有限公司 封面机的水平转位装置
CN103448405B (zh) * 2013-08-29 2016-03-30 温州科强机械有限公司 一种全自动封面生产线
CN103818145A (zh) * 2013-12-13 2014-05-28 广东易美图影像科技股份有限公司 一种封皮相册的制作方法
CN103753998B (zh) * 2013-12-21 2016-06-08 广州向盟机械有限公司 一种胶装机
CN110666036B (zh) * 2019-09-30 2020-11-17 英联金属科技(汕头)有限公司 一种全自动易开盖冲压卷边注胶生产线

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DE4403887C2 (de) * 1994-02-08 1996-10-02 Peter Lazar Verfahren und Vorrichtung zum Aufbringen von Schmelzkleber auf einen Einbandbogen

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WO2017157296A1 (fr) * 2016-03-15 2017-09-21 广州市永合祥自动化设备科技有限公司 Mécanisme de distribution de colle de couverture intermédiaire à double sens d'écoulement

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EP0666185A1 (fr) 1995-08-09
US5788436A (en) 1998-08-04
DE4403887C2 (de) 1996-10-02
DE4403887A1 (de) 1995-08-10
DE59501797D1 (de) 1998-05-14
CA2141996A1 (fr) 1995-08-09

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