EP0748702B1 - Book - Google Patents

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Publication number
EP0748702B1
EP0748702B1 EP19950109076 EP95109076A EP0748702B1 EP 0748702 B1 EP0748702 B1 EP 0748702B1 EP 19950109076 EP19950109076 EP 19950109076 EP 95109076 A EP95109076 A EP 95109076A EP 0748702 B1 EP0748702 B1 EP 0748702B1
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EP
European Patent Office
Prior art keywords
cover
book
layer
layers
glued
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
EP19950109076
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German (de)
French (fr)
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EP0748702A1 (en
Inventor
Heinz Alex Dipl.-Ing. Kurtz (Fh)
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.)
Kosel & Co GmbH
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Kosel & Co GmbH
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Publication date
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Priority to EP19950109076 priority Critical patent/EP0748702B1/en
Priority to DE59503430T priority patent/DE59503430D1/en
Publication of EP0748702A1 publication Critical patent/EP0748702A1/en
Application granted granted Critical
Publication of EP0748702B1 publication Critical patent/EP0748702B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B42BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42DBOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D1/00Books or other bound products
    • B42D1/02Books or other bound products in which the fillings and covers are connected by end papers

Definitions

  • the invention relates to a book with a book block held in a cover, the blanket is made of cardboard, cardboard or similar material and two Has cover sheets and a back insert arranged between them, and with an overlay glued to the outside of the ceiling whose overhang edges are turned inside.
  • Book covers are supposed to bring the book into a stable, solid form, hence the Expression “hard tape” or “hardcover” in contrast to the industry standard Label for brochures “Softcover”. From medium-sized books however, it is also expected that they will be as soft as possible when opened behave and not feel too stiff. Therefore, one uses in manuals often also PVC blankets, because in addition to their durability, they are also very good are flexible. When issuing books for classics or similar high quality books again, you like to use very thin blankets, as described at the beginning are necessary to achieve the necessary softness and flexibility. At the same time but the book cover gives the book sufficient stability that it can also be used in Bookcase can be stored reasonably.
  • cover sheets can also be removed thin-walled cardboard of about 0.6-0.8 mm thickness with modern high-speed Machines that are built for universal use in the book cover area are not to process.
  • the object of the invention is therefore to provide a book of the type mentioned improve that the blanket is made of cardboard, cardboard or similar material can, is sufficiently stable and at the same time flexible and can move quickly modern high-performance machines.
  • cover sheets each consist of several layers of material assemble at least one of them when bending the cover sheet is displaceable relative to at least one further layer, and that the coating on the outer sides of the outer layers and its overhanging edges on the Glued inside of the inner layers.
  • a multilayer cover with a total thickness of 1.5 can thus be used mm from e.g. three individual layers of thin-walled cardboard, each 0.5 mm thick be produced, which process themselves on high-speed universal machines leaves and which has a high flexibility.
  • the individual layers of the multiple folded cardboard can be bent like individual sheets of paper Slide the paper block onto each other. Thanks to this design principle, Cover sheet the desired flexibility despite the high overall thickness.
  • the invention is not limited to two- or three-layer cover sheets.
  • the Cover sheets can be folded three or four times or even more Cardboard cuts consist, as is also possible, of single sheets as cardboard layers to use.
  • the material thickness of the layers of cardboard is preferably each Cover sheet in the range of about 0.3 to 0.8 mm, it being quite within the frame the invention is different to the strengths of the individual layers of cardboard choose.
  • the advantage of the invention is that the book cover a total thickness in Range of 1.0 - 2.0 mm or more, thereby a stable appearance have and also go well with thick books and still adequate Have flexibility. It is still essential for industrial production that the book cover due to the total thickness of over 1.0 mm have high-speed universal machines manufactured.
  • the invention Book covers are not only suitable for high-quality book editions, but also for manuals and dictionaries that are heavily used.
  • Embodiments of the invention are that at least two layers of one Cover sheet are connected by a fold.
  • one is Outer layer of each cover sheet over an outer fold with an inner layer and this via an inner fold with at least one intermediate layer of the cover sheet connected.
  • a position of the cover sheet is preferably in the Transverse direction is shorter than at least one other position to the relative Ensure sliding of at least one of the layers.
  • a sensible option consists in the fact that the outer edge of the intermediate layer of a three-layer Cover sheet at a distance from the outer fold between the outer and the Inner layer lies.
  • each cover sheet is with the inner layer through the three bound overlap edges of the coating connected. Nevertheless allowed the elasticity of the covering material a certain relative shift of the two Cover sheet layers when bending the cover sheet.
  • the book block is opened in a manner known per se by means of prefixes and suffixes glued to the inner layers of the cover sheets. These prefixes and suffixes cover the the overlapping edges of the one-piece cover as far as possible.
  • the two multi-layer Cover sheets are only connected to the back insert by the covering material, it is within the scope of the invention, one layer of both cover sheets, especially their outer and / or inner layers and the ceiling back train together. Depending on the type of material, you can even click on additional coating material can be dispensed with. The whole blanket can then be removed a multiply folded cardboard blank.
  • the book generally designated 10, has a cover 12 into which a book block 14 is mounted.
  • the ceiling 12 consists of two cover sheets 16, 18 and one Back insert 20.
  • Each cover sheet 16 or 18 consists of an outer layer 22, an inner layer 24 and an intermediate layer 26, wherein between the outer layer 22nd and the inner layer 24 an outer fold 28 and between the inner layer 24 and the Intermediate layer 26 an inner fold 30 are formed.
  • the back insert 20 is of the two outer layers 22 of the cover sheets 16, 18 spaced.
  • the ceiling 12 is with a coating 32 of fabric, paper, leather or other suitable Provide materials that glued to the outside of the two outer layers 22 is and its two times three overhanging edges 36 are hammered in and on the Inside of the inner layers 24 are glued.
  • the cover sheets 16, 18 are only connected to the back insert 20 by the cover 34.
  • the first page and the last page of the book block 14 are by means of a Attachment 38 and an attachment 40 on the inner sides of the inner layers 24 both cover sheets 16, 18 glued flat or strip-shaped, the cover edges 36 are covered.
  • the layered structure the book cover is therefore invisible.
  • the cover sheets 16, 18 are made of a gray cardboard of 0.4 to 0.6 mm thickness folded so that a multi-sided spiral fold product is created. During the folding process the wrap fold is pre-perforated along the fold lines 28, 30, so that an exact, accurate folding is possible.
  • the outer edge of the intermediate layer 26 has from Outer fold 28 a distance that should be in the range of 1.0 to 3.0 mm to allow the relative sliding of the individual cover sheet layers to each other.
  • the Outer layer 22 must in any case have a width at least equal to the width of the entire sheet of folded sheets.
  • the multi-sided folding products are like a normal, i.e. single layer Cardboard blank placed in a book cover machine in the feeder and the glued coating material supplied.
  • the coating 32 is on the outside of the two outer layers 22 of the cover sheets 16, 18 and the back insert 20 glued on and by means of the two times three overhanging edges 36 of about 1.5 cm Width struck, which are glued to the inside of the inner layers 24.
  • the three-layer folded product is thus fixed so that it can no longer open.
  • the inside of the three-ply book cover 12 can be relatively under bending stress slide. This is the reason for the high flexibility of the cover sheets 16, 18 despite this considerable wall thickness from 1.2 to 1.8 mm.

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  • Business, Economics & Management (AREA)
  • Engineering & Computer Science (AREA)
  • Educational Administration (AREA)
  • Educational Technology (AREA)
  • Purses, Travelling Bags, Baskets, Or Suitcases (AREA)
  • Toys (AREA)

Description

Die Erfindung betrifft ein Buch mit einem, in einer Decke gehaltenen Buchblock, wobei die Decke aus Pappe, Karton o. ähnlichem Material besteht und zwei Deckelblätter sowie eine dazwischen angordnete Rückeneinlage aufweist, und mit einem außenseitig auf die Decke aufgeklebten Überzug dessen Überstandsränder nach innen umgeschlagen sind.The invention relates to a book with a book block held in a cover, the blanket is made of cardboard, cardboard or similar material and two Has cover sheets and a back insert arranged between them, and with an overlay glued to the outside of the ceiling whose overhang edges are turned inside.

Buchdecken sollen das Buch in eine stabile feste Form bringen, daher auch der Ausdruck "Festband" oder "Hardcover" im Gegensatz zu der branchenüblichen Bezeichnung für Broschüren "Softcover". Von Büchern in mittleren Größen erwartet man allerdings auch, daß sie sich beim Aufschlagen möglichst weich verhalten und nicht zu steif anfühlen. Bei Handbüchern verwendet man deshalb vielfach auch PVC-Decken, weil diese neben ihrer Strapazierfähigkeit auch sehr flexibel sind. Bei der Buchausgabe für Klassiker o.ä. hochwertigen Büchern wiederum verwendet man gerne sehr dünne Decken, wie sie eingangs beschrieben sind, um die notwendige Weichheit und Biegsamkeit zu erreichen. Gleichzeitig soll aber die Buchdecke dem Buch eine ausreichende Stabilität geben, daß es auch im Bücherschrank vernünftig aufbewahrt werden kann.Book covers are supposed to bring the book into a stable, solid form, hence the Expression "hard tape" or "hardcover" in contrast to the industry standard Label for brochures "Softcover". From medium-sized books however, it is also expected that they will be as soft as possible when opened behave and not feel too stiff. Therefore, one uses in manuals often also PVC blankets, because in addition to their durability, they are also very good are flexible. When issuing books for classics or similar high quality books again, you like to use very thin blankets, as described at the beginning are necessary to achieve the necessary softness and flexibility. At the same time but the book cover gives the book sufficient stability that it can also be used in Bookcase can be stored reasonably.

Fertigt man den Buchdeckel aus dickwandiger Pappe, von beispielsweise 1-2 mm Dicke oder mehr, so ist zwar die Stabilität gegeben, die Decken sind jedoch nicht mehr flexibel. Geht man aber mit der Materialstärke der Buchdeckel auf unter 1 mm zurück, so gewinnen die Deckel zwar an ausreichender Flexibilität, verlieren aber gleichzeitig an Stabilität. Außerdem lassen sich die Deckelblätter aus dünnwandiger Pappe von etwa 0,6-0,8 mm Stärke mit modernen schnellaufenden Maschinen, die für universellen Einsatz im Buchdeckenbereich gebaut sind, nicht verarbeiten. If you make the book cover from thick-walled cardboard, for example 1-2 mm Thickness or more, so the stability is given, but the ceilings are not more flexible. But if you go down with the material thickness of the book cover 1 mm back, the lids gain sufficient flexibility, lose but at the same time stability. The cover sheets can also be removed thin-walled cardboard of about 0.6-0.8 mm thickness with modern high-speed Machines that are built for universal use in the book cover area are not to process.

Da für stark zu strapazierende Handbücher ganz besonders oft Wert auf haltbare und flexible Decken gelegt wird, verwendet man hierfür fast ausschließlich PVC. Dieses Material zählt aber nicht zu den besonders umweltfreundlichen Materialien.Because for manuals that are to be stressed very often, value is placed on durable ones and flexible ceilings are laid, PVC is used almost exclusively for this. However, this material is not one of the particularly environmentally friendly materials.

Aufgabe der Erfindung ist es daher, ein Buch der eingangs genannten Art derart zu verbessern, daß die Decke aus Pappe, Karton oder ähnlichem Material bestehen kann, ausreichend stabil und gleichwohl flexibel ist und sich in schnellaufenden modernen Hochleistungsmaschinen fertigen läßt.The object of the invention is therefore to provide a book of the type mentioned improve that the blanket is made of cardboard, cardboard or similar material can, is sufficiently stable and at the same time flexible and can move quickly modern high-performance machines.

Diese Aufgabe wird bei einem Buch mit den Merkmalen der eingangs genannten Art dadurch gelöst, daß sich die Deckelblätter jeweils aus mehreren Materiallagen zusammensetzen, von denen mindestens eine beim Biegen des Deckelblattes relativ zu mindestens einer weiteren Lage verschiebbar ist, und daß der Überzug an den Außenseiten der Außenlagen und dessen Überstandsränder an den Innenseiten der Innenlagen angeklebt sind.This task is done in a book with the characteristics of the above Art solved in that the cover sheets each consist of several layers of material assemble at least one of them when bending the cover sheet is displaceable relative to at least one further layer, and that the coating on the outer sides of the outer layers and its overhanging edges on the Glued inside of the inner layers.

Erfindungsgemäß kann somit ein Mehrlagendeckel mit einer Gesamtdicke von 1,5 mm aus z.B. drei Einzellagen aus dünnwandiger Pappe mit je 0,5 mm Stärke hergestellt werden, der sich auf schnellaufenden Universalmaschinen verarbeiten läßt und der eine hohe Flexibilität aufweist. Die einzelnen Lagen der mehrfach gefalzten Deckelpappen, können beim Biegen wie einzelne Blätter eines Papierblockes aufeinander gleiten. Dank dieses Konstruktionsprinzips erhält das Deckelblatt trotz der hohen Gesamtdicke die gewünschte Flexibilität.According to the invention, a multilayer cover with a total thickness of 1.5 can thus be used mm from e.g. three individual layers of thin-walled cardboard, each 0.5 mm thick be produced, which process themselves on high-speed universal machines leaves and which has a high flexibility. The individual layers of the multiple folded cardboard, can be bent like individual sheets of paper Slide the paper block onto each other. Thanks to this design principle, Cover sheet the desired flexibility despite the high overall thickness.

Die Erfindung ist nicht auf zwei- oder dreilagige Deckelblätter beschränkt. Die Deckelblätter können aus drei- oder vierfach oder noch mehr gefalzten Pappezuschnitten bestehen, wie es auch möglich ist, Einzelblätter als Pappelagen zu verwenden. Vorzugsweise liegt die Materialdicke der Pappelagen jedes Deckelblattes im Bereich von etwa 0,3 bis 0,8 mm, wobei es durchaus im Rahmen der Erfindung liegt, die Stärken der einzelnen Pappelagen unterschiedlich zu wählen.The invention is not limited to two- or three-layer cover sheets. The Cover sheets can be folded three or four times or even more Cardboard cuts consist, as is also possible, of single sheets as cardboard layers to use. The material thickness of the layers of cardboard is preferably each Cover sheet in the range of about 0.3 to 0.8 mm, it being quite within the frame the invention is different to the strengths of the individual layers of cardboard choose.

Der Vorteil der Erfindung besteht darin, daß die Buchdeckel eine Gesamtstärke im Bereich von 1,0 - 2,0 mm oder mehr aufweisen, dadurch ein stabiles Aussehen haben und auch zu dicken Büchern optisch gut passen und dennoch ausreichende Flexibilität haben. Für die industrielle Fertigung ist weiterhin wesentlich, daß sich die Buchdeckel wegen der über 1,0 mm liegenden Gesamtdicke auf schnellaufenden Universalmaschinen herstellen lassen. Die erfindungsgemäßen Buchdeckel sind nicht nur für hochwertige Buchausgaben geeignet, sondern auch für Hand- und Wörterbücher, die stark strapaziert werden.The advantage of the invention is that the book cover a total thickness in Range of 1.0 - 2.0 mm or more, thereby a stable appearance have and also go well with thick books and still adequate Have flexibility. It is still essential for industrial production that the book cover due to the total thickness of over 1.0 mm have high-speed universal machines manufactured. The invention Book covers are not only suitable for high-quality book editions, but also for manuals and dictionaries that are heavily used.

Ausgestaltungen der Erfindung liegen darin, daß mindestens zwei Lagen eines Deckelblattes durch einen Falz miteinander verbunden sind. Vorzugsweise ist eine Außenlage jedes Deckelblattes über einen Außenfalz mit einer Innenlage und diese über einen Innenfalz mit mindestens einer Zwischenlage des Deckelblattes verbunden. Dabei wird vorzugsweise eine Lage des Deckelblattes in der Querrichtung kürzer ausgebildet als mindestens eine andere Lage, um das relative Gleiten mindestens einer der Lagen zu gewährleisten. Eine sinnvolle Möglichkeit besteht dabei darin, daß der Außenrand der Zwischenlage eines dreilagigen Deckelblattes im Abstand von dem Außenfalz zwischen der Außen- und der Innenlage liegt.Embodiments of the invention are that at least two layers of one Cover sheet are connected by a fold. Preferably one is Outer layer of each cover sheet over an outer fold with an inner layer and this via an inner fold with at least one intermediate layer of the cover sheet connected. A position of the cover sheet is preferably in the Transverse direction is shorter than at least one other position to the relative Ensure sliding of at least one of the layers. A sensible option consists in the fact that the outer edge of the intermediate layer of a three-layer Cover sheet at a distance from the outer fold between the outer and the Inner layer lies.

Die Außenlage jedes Deckelblattes ist mit der Innenlage durch die drei eingeschlagenen Überstandsränder des Überzuges verbunden. Gleichwohl erlaubt die Dehnbarkeit des Überzugstoffes eine gewissen Relatiwerschiebung der beiden Deckelblattlagen beim Biegen des Deckelblattes. Die Zwischenlagen miteinander und mit der Außenlage und der Innenlage des Deckeiblattes sind - wenn überhaupt - jeweils durch höchstens einen Falz miteinander verbunden und daher beim Biegen des Deckelblattes relativ frei verschiebbar.The outer layer of each cover sheet is with the inner layer through the three bound overlap edges of the coating connected. Nevertheless allowed the elasticity of the covering material a certain relative shift of the two Cover sheet layers when bending the cover sheet. The liners with each other and with the outer layer and the inner layer of the blanket sheet - if at all - Connected to each other by at most one fold and therefore when bending of the cover sheet can be moved relatively freely.

Der Buchblock wird in an sich bekannter Weise mittels Vor- und Nachsätzen an den Innenlagen der Deckelblättern angeklebt. Diese Vor- und Nachsätze decken die eingeschlagenen Überstandsränder des einstückigen Überzuges weitestgehend ab.The book block is opened in a manner known per se by means of prefixes and suffixes glued to the inner layers of the cover sheets. These prefixes and suffixes cover the the overlapping edges of the one-piece cover as far as possible.

Während gemäß einer bevorzugten Ausführungsform die beiden mehrlagigen Deckelblätter nur durch den Überzugsstoff mit der Rückeneinlage verbunden sind, liegt es im Rahmen der Erfindung, jeweils eine Lage beider Deckelblätter, insbesondere deren Außen- und/oder Innenlagen und den Deckenrücken zusammenhängend auszubilden. Je nach Materialart kann dann sogar auf ein zusätzliches Überzugsmaterial verzichtet werden. Die ganze Decke kann dann aus einem mehrfach gefalzten Pappe-Zuschnitt hergestellt werden.While in a preferred embodiment the two multi-layer Cover sheets are only connected to the back insert by the covering material, it is within the scope of the invention, one layer of both cover sheets, especially their outer and / or inner layers and the ceiling back train together. Depending on the type of material, you can even click on additional coating material can be dispensed with. The whole blanket can then be removed a multiply folded cardboard blank.

Anhand der Zeichnung, die ein Ausführungsbeispiel darstellt, wird die Erfindung näher beschrieben.The invention is based on the drawing, which represents an exemplary embodiment described in more detail.

Die einzige Figur zeigt einen Querschnitt durch ein aufgeschlagenes Buch.The only figure shows a cross section through an open book.

Das allgemein mit 10 bezeichnete Buch hat eine Decke 12, in die ein Buchblock 14 eingehängt ist. Die Decke 12 besteht aus zwei Deckelblättern 16, 18 und einer Rückeneinlage 20. Jedes Deckelblatt 16 bzw. 18 besteht aus einer Außenlage 22, einer Innenlage 24 und einer Zwischenlage 26, wobei zwischen der Außenlage 22 und der Innenlage 24 ein Außenfalz 28 und zwischen der Innenlage 24 und der Zwischenlage 26 ein Innenfalz 30 gebildet sind. Die Rückeneinlage 20 ist von den beiden Außenlagen 22 der Deckelblätter 16, 18 beabstandet. Die Decke 12 ist mit einem Überzug 32 aus Gewebematerial, Papier, Leder oder anderen geeigneten Materialien versehen, der auf der Außenseite der beiden Außenlagen 22 aufgeklebt ist und dessen zwei mal drei Überstandsränder 36 eingeschlagen und an den Innenseiten der Innenlagen 24 angeklebt sind. Die Deckelblätter 16, 18 sind nur durch den Überzug 34 mit der Rückeneinlage 20 verbunden.The book, generally designated 10, has a cover 12 into which a book block 14 is mounted. The ceiling 12 consists of two cover sheets 16, 18 and one Back insert 20. Each cover sheet 16 or 18 consists of an outer layer 22, an inner layer 24 and an intermediate layer 26, wherein between the outer layer 22nd and the inner layer 24 an outer fold 28 and between the inner layer 24 and the Intermediate layer 26 an inner fold 30 are formed. The back insert 20 is of the two outer layers 22 of the cover sheets 16, 18 spaced. The ceiling 12 is with a coating 32 of fabric, paper, leather or other suitable Provide materials that glued to the outside of the two outer layers 22 is and its two times three overhanging edges 36 are hammered in and on the Inside of the inner layers 24 are glued. The cover sheets 16, 18 are only connected to the back insert 20 by the cover 34.

Die erste Seite und die letzte Seite des Buchblockes 14 werden mittels eines Vorsatzes 38 und eines Nachsatzes 40 an den Innenseiten der Innenlagen 24 beider Deckelblätter 16, 18 flächig oder streifenförmig angeklebt, wobei die eingeschlagenen Überzugsränder 36 überdeckt werden. Der lagenweise Aufbau der Buchdecke ist somit unsichtbar.The first page and the last page of the book block 14 are by means of a Attachment 38 and an attachment 40 on the inner sides of the inner layers 24 both cover sheets 16, 18 glued flat or strip-shaped, the cover edges 36 are covered. The layered structure the book cover is therefore invisible.

Die Deckelblätter 16, 18 werden aus einer Graupappe von 0,4 bis 0,6 mm Stärke so gefalzt, daß ein mehrseitiges Wickelfalzprodukt entsteht. Beim Falzvorgang wird der Wickelfalz längs der Falzlinien 28, 30 vorperforiert, sodaß eine exakte, kantengenaue Falzung möglich ist. Der Außenrand der Zwischenlage 26 hat vom Außenfalz 28 einen Abstand, der im Bereich von 1,0 bis 3,0 mm liegen sollte, um das relative Gleiten der einzelnen Deckelblattlagen zueinander zu ermöglichen. Die Außenlage 22 muß in jedem Fall eine Breite mindestens gleich der Breite des gesamten Deckelblatt-Falzproduktes haben.The cover sheets 16, 18 are made of a gray cardboard of 0.4 to 0.6 mm thickness folded so that a multi-sided spiral fold product is created. During the folding process the wrap fold is pre-perforated along the fold lines 28, 30, so that an exact, accurate folding is possible. The outer edge of the intermediate layer 26 has from Outer fold 28 a distance that should be in the range of 1.0 to 3.0 mm to allow the relative sliding of the individual cover sheet layers to each other. The Outer layer 22 must in any case have a width at least equal to the width of the entire sheet of folded sheets.

Die mehrseitigen Falzprodukte werden wie ein normaler, d.h. einlagiger Pappenzuschnitt in eine Buchdeckenmaschine in den Anleger eingelegt und dem beleimten Überzugsmaterial zugeführt. Der Überzug 32 wird auf die Außenseite der beiden Außenlagen 22 der Deckelblätter 16, 18 und der Rückeneinlage 20 aufgeklebt und mittels der zwei mal drei Überstandsränder 36 von etwa 1,5 cm Breite eingeschlagen, die an den Innenseiten der Innenlagen 24 angeklebt werden. Das dreilagige Falzprodukt ist somit fixiert, sodaß es nicht mehr aufklappen kann. Das Innere der dreilagigen Buchdecke 12 kann bei Biegebeanspruchung relativ gleiten. Darauf beruht die hohe Flexibilität der Deckelblätter 16, 18 trotz deren erheblicher Wandstärke von 1,2 bis 1,8 mm.The multi-sided folding products are like a normal, i.e. single layer Cardboard blank placed in a book cover machine in the feeder and the glued coating material supplied. The coating 32 is on the outside of the two outer layers 22 of the cover sheets 16, 18 and the back insert 20 glued on and by means of the two times three overhanging edges 36 of about 1.5 cm Width struck, which are glued to the inside of the inner layers 24. The three-layer folded product is thus fixed so that it can no longer open. The inside of the three-ply book cover 12 can be relatively under bending stress slide. This is the reason for the high flexibility of the cover sheets 16, 18 despite this considerable wall thickness from 1.2 to 1.8 mm.

Claims (10)

  1. A book, comprising an inner book (14) held in a cover (12), wherein the cover (12) comprises card, cardboard or similar material and has two cover leaves (16, 18) and a spine insert (20) arranged therebetween, and comprising a covering (32) glued onto the outside of the cover (12), the projecting edges (36)of the covering (32) being folded round onto the inside, characterised in that the cover leaves (16, 18) are each composed of a plurality of material layers (22, 24, 26), at least one (26) of which is displaceable relative to at least one other layer (22, 24) when the cover leaf (16, 18) is flexed, and in that the covering (32) is glued to the outsides of the outer layers (22), and its projecting edges (36) are glued to the insides of the inner layers (24).
  2. A book according to claim 1, characterised in that at least two layers of the cover leaves (16, 18) are components of a folded blank.
  3. A book according to claim 2, characterised in that an outer layer (22) of each cover leaf (16, 18) is connected via an outer fold (28) to an inner layer (24) which is connected via an inner fold (30) to at least one intermediate layer (26) of the cover leaf (16, 18).
  4. A book according to any one of claims 1 to 3, characterised in that the two multi-layered cover leaves (16, 18) are connected to the spine insert (20) only by means of the covering (32).
  5. A book according to any one of claims 1 to 4, characterised in that at least one layer (26) of the cover leaf (16, 18) is shorter in the transverse direction than at least one other layer (22, 24) of this cover leaf (16, 18).
  6. A book according to any one of claims 1 to 5, characterised in that the outer edge of the intermediate layer (26) is at a distance from the outer fold (28) between the outer and the inner layer (24).
  7. A book according to any one of claims 1 to 6, characterised in that the inner layers (24) of the cover leaves (16, 18) are glued over a broad area or in strips to the first and last pages of the inner book (14) by means of end papers (38, 40).
  8. A book, comprising an inner book (14) held on a cover (12), wherein the cover (12) comprises two cover leaves (16, 18) made of card, cardboard or similar material and interconnected by a spine (20), characterised in that the cover leaves (16, 18) each comprise a plurality of material layers (22, 24, 26), at least one (26) of which is displaceable relative to at least one other, preferably adjacent layer (24, 26) when the cover leaf (16, 18) is flexed.
  9. A book according to claim 8, characterised in that the two multi-layered cover leaves (16, 18) are interconnected only by at least one of their material layers (22).
  10. A book according to claim 4, characterised in that the spine (20) has on the inside a glued reinforcing insert strip.
EP19950109076 1995-06-13 1995-06-13 Book Expired - Lifetime EP0748702B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP19950109076 EP0748702B1 (en) 1995-06-13 1995-06-13 Book
DE59503430T DE59503430D1 (en) 1995-06-13 1995-06-13 book

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP19950109076 EP0748702B1 (en) 1995-06-13 1995-06-13 Book

Publications (2)

Publication Number Publication Date
EP0748702A1 EP0748702A1 (en) 1996-12-18
EP0748702B1 true EP0748702B1 (en) 1998-09-02

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ID=8219351

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Application Number Title Priority Date Filing Date
EP19950109076 Expired - Lifetime EP0748702B1 (en) 1995-06-13 1995-06-13 Book

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EP (1) EP0748702B1 (en)
DE (1) DE59503430D1 (en)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1565629A (en) * 1918-10-11 1925-12-15 Henry C Egerton Book and cover
US1636428A (en) * 1926-06-17 1927-07-19 Mullins Claude St Clair Loose-leaf binder

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EP0748702A1 (en) 1996-12-18
DE59503430D1 (en) 1998-10-08

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