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EP1110749A1 - Procédé pour réaliser des livres à partir de cahiers reliés, brochures et analogues - Google Patents

Procédé pour réaliser des livres à partir de cahiers reliés, brochures et analogues Download PDF

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Publication number
EP1110749A1
EP1110749A1 EP99811188A EP99811188A EP1110749A1 EP 1110749 A1 EP1110749 A1 EP 1110749A1 EP 99811188 A EP99811188 A EP 99811188A EP 99811188 A EP99811188 A EP 99811188A EP 1110749 A1 EP1110749 A1 EP 1110749A1
Authority
EP
European Patent Office
Prior art keywords
envelope
edges
cover
book block
liquid
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.)
Withdrawn
Application number
EP99811188A
Other languages
German (de)
English (en)
Inventor
Marc Sieber
Thomas Wehrle
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.)
Grapha Holding AG
Original Assignee
Grapha Holding AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Grapha Holding AG filed Critical Grapha Holding AG
Priority to EP99811188A priority Critical patent/EP1110749A1/fr
Publication of EP1110749A1 publication Critical patent/EP1110749A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42C—BOOKBINDING
    • B42C11/00—Casing-in
    • B42C11/02—Machines or equipment for casing-in or applying covers to pamphlets, magazines, pads, or other paper-covered booklets

Definitions

  • the invention relates to a method for producing from a bound book block formed books, brochures or the like, in which an envelope around the back edges of the Book blocks bent and the cover legs up to the system are bent over to the side surfaces of the book block, so that the envelope is parallel to the back edges of the Book blocks cover edges with a bending angle of approximately Form 90 °.
  • the restoring forces mentioned can at least partially be lessened by the envelope in the area of itself Enveloping edges with a grooving becomes.
  • the envelope When creasing, the envelope is convex Tool pressed against a concave tool.
  • the envelope beyond the so-called elastic limit stressed, so that plastic deformations remain in the envelope arise.
  • the shear stresses generated during grooving can cause existing in the envelope Connections are broken and thus a lesser Bending resistance arises.
  • the mentioned creasing has the disadvantage that in certain Cases, essential quality characteristics are deteriorated can.
  • the envelope material can be grooved on its surface by the mechanical Stress can be damaged, for example, unsightly Cracks appear.
  • the invention has for its object a method of to create the type mentioned, which avoids the disadvantages mentioned and can still be carried out inexpensively.
  • the task is thus in a generic method solved that the envelope in the area to be formed Cover edges are flexible due to the addition of a liquid is made.
  • the envelope is in the area of the envelope edges to be formed softened and thus the mechanical strength values reduced.
  • the reduction in bending strength is essential of the envelope in the area of the to be formed Cover edges, as this directly affects the restoring forces of the cover be influenced on the finished brochure.
  • the envelope leg to be formed behaves the envelope like one with much less Strength.
  • the method according to the invention thus enables also the use of envelope material with a comparatively great strength.
  • the procedure is with or without Grooving feasible. Basically, the liquid be metered in before and / or after grooving. As already mentioned, grooving is not mandatory.
  • the brochure 4 shown in FIG. 2 is, for example, a perfect bound paperback or catalog and has one Book block 2 from a plurality of sheets 12.
  • This book block 2 is an envelope 1 put one Back area 14 and two cover legs 13.
  • the essentially flat back area 14 is mostly over its entire inner surface with an adhesive point 20 connected to the book block 2.
  • This glue point 20 can Extend over two edges 3 to decorative grooves 16.
  • the cover 1 is wrapped around the book block 2, whereby the two cover legs 13 flat on the side surfaces 5 of the book block 2.
  • the transition from the back area 14 to the envelope legs 13 takes place on two parallels envelope edges opposite each other at a distance 6, which run parallel to the edges 3 of the book block 2.
  • the edges 6 are formed by bending about 90 °.
  • the envelope 1 is glued in a manner known per se Book block 2 put around. So that possible can form sharp and undamaged envelope edges 6 and thus the two cover legs 13 as flat as possible the side faces 5 lie, the envelope 1 according to Representation treated in Figure 1. This is done with nozzles 11 the envelope 1 in the area 6 'of the edges 6 to be formed Liquids added.
  • the metering can be contactless or with contact to the substrate, for example by spraying, spraying, brushing or rolling.
  • the liquid becomes strip-shaped in the areas 6 ' applied in which the edges 6 are to form.
  • the two regions 6 'shown in FIG. 1 can be in front of or after spraying each with a groove 15 or one different embossing.
  • the envelope 1 both from the inside 9 and from the back 10 sprayed in the areas 6 '.
  • the envelope 1 only from the inside 9 or only to be sprayed from the outside 10.
  • the treated cover 1 is aligned according to FIGS. 3 and 5 with respect to the book block 2.
  • the areas 6 ' were only sprayed with liquid on the inside 9. This liquid was absorbed by the envelope due to capillary forces and forms the area designated by 8 in FIG.
  • the envelope 1 is softened in this area 8 and the mechanical strength is thus reduced in this area.
  • the two cover legs 13 are bent in the direction of arrow 20 according to FIG.
  • the envelope 2 is subjected to pressure in an inner area according to arrows 18 and in an outer area according to arrows 17 to tension.
  • the added liquid in the areas 8 specifically reduces the bending strength here.
  • the two legs 13 are bent through 90 ° and thus in the position shown in FIG. 2, the reduction in bending strength mentioned has the consequence that the restoring forces in the envelope 1 are significantly smaller than without this addition of liquid.
  • the two cover legs 13 also lie against the side faces 5 of the book block 2 without any special measures, as shown in FIG.
  • the material of the envelope 1 is preferably not imperatively made of paper and preferably has a thickness in Range from 0.1 to 0.4 mm.
  • the envelope 1 can on the Outside 10 provided with a plastic film or otherwise be coated. In this case the envelope 1 as shown in Figures 3 and 4 only on the inside 9 sprayed with liquid.
  • the liquid can also by spraying the envelope or by rolling or another suitable tool.
  • the width of the strip that is fluidized is approximately in the range of 2 to 3 mm.
  • the liquid that is added to the envelope 1 is preferably water or water with a wetting additive, for example with an alcohol additive. It is another liquid is also conceivable here, with which the envelope 1 softened and thus the Flexural strength can be reduced.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Making Paper Articles (AREA)
EP99811188A 1999-12-22 1999-12-22 Procédé pour réaliser des livres à partir de cahiers reliés, brochures et analogues Withdrawn EP1110749A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP99811188A EP1110749A1 (fr) 1999-12-22 1999-12-22 Procédé pour réaliser des livres à partir de cahiers reliés, brochures et analogues

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP99811188A EP1110749A1 (fr) 1999-12-22 1999-12-22 Procédé pour réaliser des livres à partir de cahiers reliés, brochures et analogues

Publications (1)

Publication Number Publication Date
EP1110749A1 true EP1110749A1 (fr) 2001-06-27

Family

ID=8243204

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99811188A Withdrawn EP1110749A1 (fr) 1999-12-22 1999-12-22 Procédé pour réaliser des livres à partir de cahiers reliés, brochures et analogues

Country Status (1)

Country Link
EP (1) EP1110749A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2213470A1 (fr) 2009-01-31 2010-08-04 Kolbus GmbH & Co. KG Dispositif d'application d'un liquide le long d'une ligne de pliage
DE102016100570A1 (de) * 2016-01-14 2017-07-20 Wilhelm Bahmüller Maschinenbau Präzisionswerkzeuge GmbH Verfahren und Vorrichtung zur Faltung von Wellpappe
DE102016118895A1 (de) 2016-10-05 2018-04-05 Mayr-Melnhof Karton Ag Verfahren zum Herstellen eines Zuschnitts für eine Verpackung, Zuschnitt und Verpackung aus einem Zuschnitt

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE967822C (de) * 1954-05-16 1957-12-19 Prakma Maschinenfabrik G M B H Maschine zum Herstellen von Broschueren
US3884183A (en) * 1973-11-26 1975-05-20 Jr Ralph D Sprung Liquid dispensing system
DE2815143A1 (de) * 1977-04-08 1978-10-12 Komori Printing Mach Einbindevorrichtung fuer automatische buchbindemaschinen
EP0486812A2 (fr) * 1990-10-20 1992-05-27 Grafotec Kotterer Gmbh Procédé et dispositif pour appliquer un liquide sur un matériau

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE967822C (de) * 1954-05-16 1957-12-19 Prakma Maschinenfabrik G M B H Maschine zum Herstellen von Broschueren
US3884183A (en) * 1973-11-26 1975-05-20 Jr Ralph D Sprung Liquid dispensing system
DE2815143A1 (de) * 1977-04-08 1978-10-12 Komori Printing Mach Einbindevorrichtung fuer automatische buchbindemaschinen
EP0486812A2 (fr) * 1990-10-20 1992-05-27 Grafotec Kotterer Gmbh Procédé et dispositif pour appliquer un liquide sur un matériau

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2213470A1 (fr) 2009-01-31 2010-08-04 Kolbus GmbH & Co. KG Dispositif d'application d'un liquide le long d'une ligne de pliage
DE102009006992A1 (de) 2009-01-31 2010-08-05 Kolbus Gmbh & Co. Kg Vorrichtung zum Auftragen einer Flüssigkeit entlang einer Biegelinie
DE102016100570A1 (de) * 2016-01-14 2017-07-20 Wilhelm Bahmüller Maschinenbau Präzisionswerkzeuge GmbH Verfahren und Vorrichtung zur Faltung von Wellpappe
DE102016118895A1 (de) 2016-10-05 2018-04-05 Mayr-Melnhof Karton Ag Verfahren zum Herstellen eines Zuschnitts für eine Verpackung, Zuschnitt und Verpackung aus einem Zuschnitt

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