EP2261049A1 - Connection of flat parts stacked on top of each other - Google Patents

Abstract

The method involves bringing the fingers (151) into the perforations of the stacked flat portions, such that the fingers are bent in a spiral shape. The flat portions have perforations for receiving fingers of an outer sheet (15). An area of the fingers, preferably free of adhesive, is brought into overlapping contact with the area of the same finger having adhesive. Independent claims are also included for the following: (1) a device for binding flat portion stacked on one another, particularly paper sheet; and (2) a bonded flat portion with embossing or inscription.

Description

description

The invention relates to a method for binding stacked flat parts, in particular paper sheets, wherein the flat parts are provided with perforations. Furthermore, the invention relates to a device for binding stacked flat parts, in particular paper sheets, wherein the flat parts are provided with perforations, as well as bonded flat parts, in particular paper sheets.

Blocks or stacked sheets of paper or the like, e.g. Brochures, instruction manuals, calendars, writing pads, if they are to be unfolded, are bound with a spine or the like.

In addition, it is known that paper stacks such as writing pads or notepads are bonded to each other at one side using adhesive tapes or wire combs or the like.

For example, in EP-B-0 704 322 describe a binding spine for holding a stack of sheets together, wherein the spine back and fingers are disclosed as a one-piece integral plastic bond made by injection molding.

In addition, is also in WO-A-2006/090644 discloses a multi-ply, one-piece paper comb binding with annular loops.

Based on this prior art, the object of the invention is to provide a simple and firm binding of paper layers or stacks of paper, it should be possible to provide a variably formable and / or variably producible bond.

This object is achieved by a method for binding stacked flat parts, in particular paper sheets, wherein the flat parts are provided with a plurality of perforations for receiving fingers or tongue-like portions of an outer leaf, wherein in a preparation step at one, in particular fingerless or initially or initially fingerless A plurality of individual fingers are arranged to provide an outer sheet with a plurality of fingers, and wherein the fingers of the outer sheet are or are provided in a predetermined area with an adhesive, the fingers in the perforations of the stacked flat parts such are introduced, that the fingers are each spirally bent in the manner of a wound roll as a loop or are, wherein a, preferably adhesive-free, region of the fingers each with a region provided with adhesive of the respective finger overlapping is brought into contact.

The invention is based on the idea that in a preparatory step, an initially finger-free or tab-free outer leaf, e.g. a bottom sheet without fingers or binding tongues or the like is provided with fingers, with individual or isolated fingers or binding tongues arranged on the outer leaf, preferably permanently attached, are. In particular, it is provided that the individual or individual fingers or binding tongues are arranged or glued separately on the outer sheet.

By thus provided or assembled in a Außenblattzusammenstelleinrichtung outer leaf with outwardly facing or outwardly projecting free ends as fingers or binding tongues, a multi-part outer sheet for insertion into the perforations to be bound, stacked flat parts is produced, wherein the material and the geometric properties the finger and / or the material and the geometric properties of the outer leaf are respectively selected according to a predetermined requirement and coordinated or compiled. For example, this makes it possible to variably produce or provide a multi-part outer leaf with differently colored fingers and / or fingers of different thickness and / or length, etc., for binding the flat parts. In particular, the binding tongues are arranged on one side of a base surface of the outer leaf or bottom leaf.

The base of this outer sheet or bottom sheet or ceiling sheet corresponds to the base of the paper sheets or flat parts to be joined together. Characterized in that arranged on the outer sheet by a preparation step or fixed Finger or binding tongues as free ends of the base surface of the outer leaf perpendicular and parallel to each other, a multi-material and / or multi-part, ie non-integral, outer sheet can be provided so that, for example, when the base of the outer sheet is made of paper, the Tongues or binding fingers or loops or the like are then made of a different material. Further, the arranged on the outer leaf end-separate fingers with each other, for example, in the material and / or in the thickness and / or in the length and / or color and / or in the form or design.

In the case of a single-bodied, multi-part outer sheet, i. that the fingers and the outer leaf are made of the same material, are for recycling a bound writing pad completely made of paper perform no decomposition processes that are otherwise necessary, for example, in a wire comb binding a writing pad with a metal wire comb.

In the context of the invention, it is conceivable that for the outer sheet with the fingers as well as for the flat parts other materials or materials, such. Plastic can be used, in turn, the outer leaf can be made with the same by a processing step fingers arranged thereon of the same material. Also in this case, for a recycling of a bound writing pad, for example, completely made of plastic perform no decomposition processes that are otherwise necessary, for example, in a wire comb binding a writing pad with a wire comb made of metal.

The fingers or binding tongues preferably have the same material thickness or material thickness as the base surface of the outer leaf on. Within the scope of the invention, it is also possible for the fingers or binding tongues arranged on the outer leaf and the outer leaf to have different thicknesses. In addition, in a further embodiment, the fingers may be formed differently thick and / or long.

In addition, another idea of the invention is based on the fact that in the formation of the binding on one side of the flat parts to be bonded a loop binding or a kind of roll loop binding is formed because the provided as free ends fingers or binding tongues of the outer leaf, which are rolled up loop or are connected to each other in a contact region, wherein in this overlapping contact region, the binding tongues or the fingers of the outer blade are formed in the manner of a simple roller or a multiple spiral-shaped rolling. As a result, a kind of single loop or multiple loop, in particular double loop, is formed. In this case, a first outer region of the fingers, which is adhesive-free or provided with an adhesive, each brought with a second adhesive-provided region of the respective finger overlapping in contact. In one embodiment, a reactivatable or activatable adhesive, preferably in advance, is or is applied to the fingers of the outer blade on both sides.

According to the invention, there is thus provided a rolled-up loop binding, for example for calendars or for writing pads, wherein the loop binding is made of the same material, for example paper or cardboard, as the material of the entire outer sheet or cover sheet. In particular, such a single-substance bond is provided as a comb binding or as a multi-loop binding according to the requirements of the binding. In addition, the comb binding or loop binding a component of the outer leaf or of the bottom sheet or of the cover sheet with the separate fingers arranged thereon must therefore be multi-part, since the outer sheet is provided with further parts in the form of fingers.

In an alternative solution, a method for binding stacked flat parts, in particular paper sheets, is proposed, wherein the flat parts are provided with perforations for receiving fingers or binding tongues of an outer leaf, wherein in a preparation step at one, in particular finger-free or initially or initially fingerless, outer leaf a plurality of individual fingers are arranged, so that an outer leaf with multiple fingers is provided, and wherein the, preferably at their free and provided by the outer leaf as protruding ends and adhesive-free, fingers of the outer leaf are introduced into the perforations of the stacked flat parts such in that the fingers are or are spirally bent in the manner of a rolled-up roll, wherein one area of the fingers is or are overlappingly brought into contact with another area of the respective finger, and then the overlapping contact areas the respective fingers, preferably by means of radiation energy and further preferably by means of heat input, are non-detachably connected to each other.

In the context of the invention, a permanent connection, and preferably a wear-resistant connection, is understood to mean a non-detachable connection which, in particular, is not nondestructive in opening or releasing the connection.

While in the first-mentioned method during loop formation, ie when introducing the free ends designed as binding tongues in the perforations to be joined together Flat parts and are connected to each other on the inside during the curvature of the fingers or binding tongues due to the existing adhesive on the respective fingers is provided in the second method according to the invention that initially the fingers, which are first introduced into the perforations of the flat parts to be joined together are formed loop-like or rolled in an overlap region, wherein then the overlapping contact areas of the respective fingers are permanently or permanently connected to each other. For example, it is conceivable that in the fingers of the outer leaf, an additive is introduced, which reacts after looping by exposure to microwaves, UV radiation or laser radiation or IR radiation or heat, as well as by ultrasound or the like in the contact area and cures. In the context of the invention, a welding to form a permanent loop binding is possible. This also provides a stable loop binding or binding loop for a writing pad or a writing pad.

According to the invention, on the outer sheet, i. on the bottom sheet or on the topsheet, the binding loops or fingers are arranged on one side as free and protruding ends, wherein the length of the free ends of the fingers for the bindings is dimensioned such that a predetermined common overlapping area in forming the binding loop, i. when screwing the fingers into the perforations of the flat parts arises. By cutting the unwound fingers or loop tongues, it is possible to produce different loop diameters, wherein it is possible to bind different thicknesses to paper layers with an outer sheet with corresponding fingers.

In a preferred embodiment of the method, it is proposed that the individual fingers are connected to the, preferably finger-free, outer leaf, preferably during the preparatory step. Here, the fingers are glued, for example, with the outer leaf, so that the arranged on the outer leaf ends of the fingers with the outer leaf are permanently and firmly connected, whereby the free and from the outer leaf after the preparation of the outer leaf (initially) protruding ends of the fingers for binding the compartment parts are used or provided for this purpose. After completion of the binding operation of the flat parts are the (originally free) ends of the fingers, which are introduced into the perforations of stacked flat parts or are loops wound or screwed.

In particular, the individual fingers are provided as finite finger portions of a predetermined length in one magazine or in several magazines, and are subsequently fed from the magazine or magazines to the outer sheet to be fingered, simultaneously or in a predetermined order.

According to an alternative embodiment of the method, it is provided that the individual fingers are cut as finite finger sections having a predetermined length of one or more endless, preferably wound, finger material strips and subsequently the cut finger material strip sections as fingers to be provided with fingers outer leaf, simultaneously or in one predetermined order, are supplied.

Moreover, in a further development, the method is characterized in that, prior to the arrangement of the fingers on the outer leaf, the fingers or the finger material strips are secured by means of at least one Processing device, preferably printing device and / or embossing device to be processed. By means of the printing device, an imprint on the fingers or binding tongues is preferably applied in a region of the fingers which is visible after looping and remains recognizable in the produced bound (end) product. By means of the embossing device, it is possible to provide the binding tongues in the preparation step with a predetermined embossing, such as prism, groove, button or window embossing or the like. For example, a desired binding of paper sheet stacks may require that the binding tongues formed as fingers be or are pre-scored, as a pre-scoring of the binding tongues may aid in positioning prior to bonding to the bottom sheet. Preferably, the scoring is or will be arranged along the slot on the inside of the bottom sheet.

Preferably, the fingers or the finger material strips are or are provided with glue, in particular a glue pattern, before the arrangement of the fingers on the outer leaf and / or the outer leaf is or will be provided with glue, in particular with a predetermined glue pattern. In particular, the ends of the fingers, which are arranged on the outer sheet and connected to the outer sheet, provided with glue or an adhesive or the like, during the preparation step of the outer sheet, the free and protruding from the outer leaf ends of the fingers or binding tongues are not glued.

Moreover, it is advantageous in one method step that, for the arrangement of the fingers on the outer leaf, the individual fingers are inserted into respective perforations of the outer leaf, one of the ends of the fingers being respectively connected to the outer leaf and the respective other ends of the fingers being free ends protrude from the outer leaf, wherein in particular the fingers arranged on the outer leaf are arranged such that the fingers each engage behind, preferably formed on an edge of the outer leaf, webs of the respective perforations. In this case, it is possible that the ends of the fingers arranged on the outer leaf are arranged on the inside after the binding process on the produced, bound flat piece stack and are therefore not visible from the outside.

Further, in one embodiment of the method, it is favorable that the ends of the fingers connected to the outer leaf are arranged inside and bound to the flat parts after binding of the stacked flat parts or are.

In the context of the invention, it is also possible that instead of the preparation step, a multi-fingered, non-integral outer sheet is provided. Here, the outer sheets are formed so that the individual fingers are arranged on the outer sheets or bottom sheets, the fingers and the respective outer sheet are not made in one piece, e.g. a paper sheet are made.

In addition, an embodiment of the method is characterized in that the provided with the individual fingers or with the individual binding tongues outer sheet is conveyed flat to the stacked flat parts, wherein during the promotion of the outer leaf on the, in particular free ends of the, fingers or binding tongues of the outer sheet adhesive is applied, and wherein the outer free ends of the fingers are introduced into the perforations of the flat parts, which are brought under further promotion of the outer sheet in contact with the adhesive areas of the fingers. This will fixed the loop binding of the fingers accordingly, wherein the shaped loop is preferably fixed at the transition point with adhesive, thereby preventing that bound material or flat parts of the stack can be removed from the loop formed, since in the contact area of the rolled up fingers or Tying tongues a permanent and permanent connection is formed.

Furthermore, it is provided according to an advantageous embodiment of the method that the adhesive is applied to the inside of the fingers of the outer leaf, in particular adjacent to the base of the outer leaf, whereby the outer free ends of the fingers or the end portions of the fingers during the Einbringvorgangs in the perforations the flat parts are bent or curved and brought into contact after the formation of a complete loop in contact with the formed on the finger adhesive area. It is particularly advantageous if a reactivatable adhesive is used or used as the adhesive or adhesive. As a result, any or an adhesive contamination during the binding process is advantageously prevented or avoided.

In order to achieve a simple introduction of the free ends of the fingers or binding tongues of the outer leaf, it is further provided that the flat parts to be joined are arranged offset against each other prior to the production of the bound stack or so that the perforations of the flat parts, preferably in cross section are arranged arcuately or part-circular, so that the perforations of the surface form a kind of curved channel for the binding tongues.

Moreover, it is advantageous in one embodiment, if during a, preferably linear, promotion of the flat outer sheet before placing the fingers in the perforations of the flat parts adhesive is applied to the fingers in sections. In particular, the adhesive is applied to the inside of the fingers or binding tongues of the outer leaf, which is assigned to the stacked or bound flat parts after formation of the ring or loop-shaped bond. Here, the adhesive is applied in the root area of the fingers between the base of the outer leaf and outer free ends or end portions of the fingers, wherein the outer free ends or end portions of the fingers, which are first introduced into the perforations, are free of adhesive.

In one embodiment, it is possible for the outer free ends or end portions of the fingers to be coated with a reactivatable adhesive which will not be released until after loop binding and by application of energy, e.g. Heat energy, reacts and thereby initially softens and then hardens to achieve a permanent connection of the loops formed. In this case, the reactivatable adhesive can be applied or applied to one or both sides of the fingers.

In a further embodiment, it is conceivable that the outer ends or end portions of the fingers have a, preferably integrated or integrated, additive in the manner of a fastener or the like, which reacts only after the loop binding and after a corresponding activation by applying energy and thereby hardened to achieve a permanent connection of the loops formed.

In addition, the method is characterized in that during the introduction of the fingers in the perforations of the flat parts the base surface of the outer blade on which the fingers are arranged, and the stacked flat parts are or are inclined relative to each other, whereby the looping or the introduction of the fingers is facilitated in the perforations.

Furthermore, the object is achieved by a device for binding stacked flat parts, in particular paper sheets, with a, preferably metal-free binder, wherein the flat parts are provided with perforations, which is further developed by an outer sheet composition is provided so that by means of the Außenblattzusammenstelleinrichtung a single, in particular finger-free, outer leaf a plurality of individual fingers are arranged or can be arranged, so that on the output side of the Außenblattzusammenstelleinrichtung an outer leaf with a plurality of fingers for insertion into a finger insertion device is provided or that a finger insertion device for introducing fingers of an outer sheet is provided for the flat parts in such a way that the fingers are or are curved in a spiral shape and a region of the fingers introduced into the perforations of the flat parts overlaps with another one and a conveying device for the promotion of the finger-formed outer sheet is provided, so that in each case an outer sheet is conveyed to the finger insertion device, wherein on the finger insertion means a receptacle for a stack to be bound from flat parts is provided. The binder provided for the binding is designed as a plurality of fingers or binding tongues which engage in the perforations of the flat parts or are brought into engagement with the perforations. In particular, the binder is formed as an outer leaf with fingers arranged thereon.

Using the device together with a stack of flat parts to be bound and an outer leaf with corresponding fingers or binding tongues, it is possible to form a permanent bond of the flat parts.

By means of the outer sheet preparation device designed as an outer sheet preparation device, individual binding tongues or fingers are initially arranged on the finger or binding tongue-free outer sheet, in particular permanently attached or glued, so that subsequently the outer sheet provided with binding tongues or fingers as the free end or prepared Fingerereinbringvorrichtung is conveyed.

Furthermore, it is advantageously provided in the device that the outer panel assembly device has at least one or more magazines for the individual fingers of finite length and that a finger transfer device is provided so that the fingers can be fed to the finger-free outer panel by means of the finger transfer device. In particular, the fingers are thereby introduced into perforations or oblong holes of the outer leaf provided for this purpose.

Furthermore, an embodiment of the device is distinguished by the fact that the outer leaf assembling device has at least one receiving device for at least one, preferably endless and / or wound, finger material strip and a cutting device for cutting the, preferably partially unwound, finger material strip in finger material strip sections as individual fingers of finite length and that a finger transfer device is provided, so that by means of the finger transfer device, the fingers of the finger-free outer leaf can be fed.

According to a further embodiment of the device it is provided that the outer sheet assembling device has at least one processing device for the finger material strip, preferably printing device and / or embossing device, wherein in particular the processing device relative to the conveying direction of the finger supplied to the outer sheet before the place of assembly of the outer leaf with the Fingers is arranged.

In addition, it is preferable for the device that a glue application device for the individual fingers or a glue application device for the, preferably endless, finger material strip and / or a glue application device for the outer leaf are provided for the outer leaf assembly device.

In addition, the device is characterized in that a finger-connecting device is arranged on the finger insertion device, wherein in particular the finger-insertion device has a binding loop forming device and / or a guide shell, whereby the overlapping contact regions of the rolled-up fingers are connected to each other. As a result, a kind of loop-forming device is formed, wherein the outer sheet is supplied with the fingers or binding tongues arranged thereon or glued thereto and is screwed or inserted by the finger-insertion device into the perforations of the flat parts. In particular, the binding loop forming device has one or more guide shells, wherein in one embodiment, in each case at least one guide shell is provided for each one finger or a binding tongue of an outer leaf.

In addition, in one embodiment, the device is characterized in that an adhesive application device is arranged on the conveying device, so that adhesive can be applied to a region of the fingers of the outer leaf in each case.

For this purpose, it is further provided that the Klebemittelaufbringeinrichtung applies during the promotion of the outer sheet along the adhesive applicator adhesive.

Furthermore, an embodiment of the device is characterized in that the conveying device for the outer leaf is designed as a suction belt conveyor which can be acted upon by a negative pressure source with negative pressure and / or has a cam belt and / or a suction table. Moreover, it is possible within the scope of the invention to use also, preferably polished, suction strips, for the promotion of the provided with the fingers outer leaf on a conveyor table.

A further solution of the problem is that bound flat parts, in particular paper sheets, are provided, wherein an outer sheet has a plurality, preferably parallel and / or side by side, (end) separately arranged individual fingers, wherein the fingers of an outer sheet in perforations of the stacked arranged flat parts are arranged, wherein the fingers are spirally bent or (rolled) and rolled up a portion of the fingers in contact with another portion of the respective finger, wherein the fingers in the contact area of the fingers are inextricably linked, and wherein the formed ends of the individual fingers are connected to an outer leaf, which are particularly obtainable by the execution of the method described above, in particular using a previously described Contraption. To avoid repetition, reference is expressly made to the above statements on the method and the device.

Moreover, in the embodiment of the bonded flat parts is preferred that the ends of the individual fingers are arranged on the inside of the outer leaf, wherein in particular the fingers respectively, preferably formed on an edge of the outer leaf, webs of the respective intended for the on the outer leaf for the fingers Behind perforations.

Preferably, furthermore, the ends of the individual fingers are arranged on the outer side of the outer leaf.

For this purpose, it is further provided that the outer leaf and the fingers of the outer leaf of substantially the same non-metallic, single-layer material and / or have substantially the same thickness.

It is advantageous in an alternative, preferred development that the outer sheet and the fingers made of different, especially non-metallic, materials and / or different thickness and / or color are different or that the fingers made of different, especially non-metallic, materials and / or different thickness and / or different width and / or different lengths and / or color are different.

As a result, variable and easy to adapt to the requirements of the manufactured or manufactured bonded flat parts variants can be achieved in a simple manner.

Moreover, it is advantageous if the fingers, in particular in the field of vision, have embossing and / or imprinting and / or the fingers, in particular in the joining region to the outer leaf, have at least one groove transverse to the longitudinal extension of the fingers.

In a preferred embodiment of the bonded flat parts produced as a (final) product, the distance between two binding tongues or fingers corresponds to the width of the binding tongues or the fingers.

In an alternative preferred embodiment of the bonded flat parts produced as (end) products only two or three binding tongues or fingers are provided whose width is greater than the distance between the binding tongues or fingers.

In particular, it is advantageous if the outer leaf and the fingers of the outer leaf and the flat parts are made or made of the same material in the bonded flat parts.

Further features of the invention will become apparent from the description of embodiments according to the invention together with the claims and the accompanying drawings. Embodiments of the invention may satisfy individual features or a combination of several features.

Fig. 1

schematisch eine Ansicht einer Bindevorrichtung

Fig. 2

zur Herstellung von gebundenen Papierbögen in einer Seitenansicht; eine schematische Detailansicht der Vorrichtung in einem Ausschnitt;

Fig. 3

schematisch eine Arbeitsposition der Bindevor- richtung;

Fig. 4a, 4b

schematisch eine einfach eingedrehte bzw. her- gestellte Bindeschlaufe;

Fig. 5a, 5b

schematisch eine doppelt eingedrehte bzw. her- gestellte Bindeschlaufe;

Fig. 6

schematisch einen Teil der Bindevorrichtung zur Entnahme eines gebundenen Papierstapels;

Fig. 7

schematisch eine weitere Arbeitsposition an der Bindevorrichtung;

Fig. 8a

eine schematische Draufsicht auf die Bindevor- richtung unter Weglassung der Schlaufenformein- richtung;

Fig. 8b, 8c

eine schematische Seitenansicht auf einen mit Bindezungen gefüllten Magazinschacht (Fig. 8b) und auf eine einen aufgewickelten Materialstrei- fen aufgenommene Bobine, die oberhalb eines Fördertisches einer Bindevorrichtung angeordnet sind;

Fig. 9

schematisch eine Draufsicht auf einen Papierbo- gen eines zu bindenden Papierstapels;

Fig. 10a, 10b

schematisch jeweils Ansichten eines Bodenblatts auf die Innenseite (Fig. 10a) und auf die Außen- seite (Fig. 10b);

Fig.10c

schematisch einen Querschnitt durch ein Boden- blatt mit einer an einem Ende an der Innenseite angeordneten bzw. befestigten Bindezunge;

Fig. 10d, 10e

schematisch eine Draufsicht auf ein Außenblatt bzw. Bodenblatt mit verschieden langen Binde- zungen;

Fig. 11

schematisch eine perspektivische Ansicht eines als (End-)Produkt hergestellten und gebundenen Papierbogenstapels und

Fig. 12

einen schematischen Querschnitt durch einen gebundenen Papierbogenstapel.

The invention will now be described by way of example with reference to an embodiment without limitation of the general inventive idea, with reference expressly made to the figures with respect to all details of the invention not explained in detail in the text. Show it:

Fig. 1

schematically a view of a binding device

Fig. 2

for the production of bound paper sheets in a side view; a schematic detail view of the device in a section;

Fig. 3

schematically a working position of the binding device;

Fig. 4a, 4b

schematically a simply twisted or produced binding loop;

Fig. 5a, 5b

schematically a double twisted or produced binding loop;

Fig. 6

schematically a part of the binding device for removing a bound paper stack;

Fig. 7

schematically another working position on the binding device;

Fig. 8a

a schematic plan view of the binding device omitting the Schlaufenformein- direction;

Fig. 8b, 8c

a schematic side view of a filled with binding tongues magazine shaft ( Fig. 8b ) and a reel received on a wound strip of material, which are arranged above a conveyor table of a binding device;

Fig. 9

schematically a plan view of a Papiergen gene to be bound paper stack;

Fig. 10a, 10b

schematic views of a bottom sheet on the inside ( Fig. 10a ) and on the outside ( Fig. 10b );

Figure 10C

schematically a cross section through a bottom sheet with a at one end on the inside arranged or fixed binding tongue;

Fig. 10d, 10e

schematically a plan view of an outer leaf or bottom leaf with different lengths Binde- tongues;

Fig. 11

schematically a perspective view of a (final) product produced and bound paper sheet stack and

Fig. 12

a schematic cross section through a bound paper sheet stack.

In the following figures, identical or similar elements or corresponding parts are provided with the same reference numerals, so that a corresponding renewed idea is dispensed with.

In Fig. 1 the construction of a binding device 10 for binding a stack 14 formed from a plurality of paper sheets is shown schematically in section.

The stack 14 consists of several sheets of paper, as shown schematically in Fig. 9 are shown in a plan view. The in Fig. 9 illustrated paper sheet 140 has a rectangular base surface, wherein in the (upper) edge region a plurality of perforation holes 141 are formed. The perforation holes 141 are formed as elongated slots, wherein in a blockwise arrangement or stacked arrangement of a plurality of paper sheets 140, a kind of slit-like channel is formed through the perforation holes 141.

The in Fig. 1 schematically illustrated stack 14 of stacked sheets of paper is arranged at the top with an attached cover sheet 142 on a tilted employee support table 19.

The binding device 10 has a horizontally oriented conveyor table 30, which is arranged below the support table 19. In order to position the paper stack 14 together with the cover sheet 142 on the obliquely arranged support table 19, one or more pivotable stack formers 21 are arranged at the lower end of the support table 19 with part-circular contact surfaces for the paper stack 14, so that the perforations 141 of the paper stack form a part-circular channel in cross section.

The stack shapers 21 have a nose-like projection 121 at the top, whereby the height or thickness of the paper stack 14 to be bound is limited. The stack shapers 21 are arranged on a pivot arm 122 so that the stack shapers 21 can be pivoted downwards.

In addition, the support table 19 laterally has corresponding guide plates 20, whereby the paper stack 14 in cooperation is accurately positioned with the stack formers 21, so that the perforations 141 of the paper stack 14 form slot-like channels with a predetermined radius of curvature.

Above the lower end of the delivery table 19 or above the stack former 21, a binding loop forming device 22 is arranged, wherein the binding loop forming device 22 is pivotable on a carrying or frame arm 125. In Fig. 1 the binding loop forming device 22 is shown in the swung-out state. The binding loop forming device 22 is pivoted so far over a frame point (see. Fig. 2 ) until it is concentric with the stack formers 21.

In addition, the conveyor table 30 of the binding device 10 has perforated suction belts 12 which are connected via outer rollers 32 (cf. Fig. 8b ), 33 are guided. Below the suction belt 12, a suction plate 11 is arranged to act on a vacuum port 18, the suction belt 12 and a arranged on the suction belt 12 bottom sheet 15 with negative pressure. As a result, the bottom plate 15 is arranged above or on a suction belt 12. On the outer right edge of the suction belt 12, a movable stop 35 with the suction belt 12 is arranged, which is movable on the conveyor table 30 back and forth to move the bottom sheet 15 on the conveyor table 30.

In 10a and 10b each different schematic views of a bottom plate 15 are shown, wherein the bottom leaves 15 a rectangular base surface as the paper sheets (see. Fig. 9 , Reference numeral 140), wherein the base surface of the bottom sheets 15 substantially corresponds to the base of the paper sheets 140 to be joined. In the context of the invention is also provided to process bottom sheets 15, a multi-page, in particular have three-sided projecting, edge area.

In Fig. 10a is a view on the inside of a bottom sheet 15 shown while in Fig. 10b the view is shown on the outside of the bottom sheet 15. Trained as the outer sheet for a paper stack to be bound base sheet 15 has on a longitudinal side in the edge region of the longitudinal edge over a plurality, preferably rectangular and / or punched, elongated holes 155 are introduced into the binding tongues 151 of a predetermined length. This is through the in Fig. 10a Binding tongues 151 shown diagrammatically below the base sheet 15 and the arrows drawn in simplified fashion, wherein in the present exemplary embodiment four binding tongues 151 are provided whose distance from one another is greater than their respective width or whose width is smaller than the distance between the binding tongues 151.

The binding tongues 151 are formed as separate material strip portions of a predetermined length, wherein the binding tongues 151 in one embodiment may have an embossing or grooving 153 or the like at one end. In addition, the binding tongues 151 at the one end, which is connected to the bottom sheet 15, an adhesive surface 154 on which an adhesive is applied or is. For fixing or arranging the binding tongues 151 on the base sheet 15, the binding tongues 151 are inserted or pierced into the elongated holes 151, wherein the adhesive surfaces 154 of the separate binding tongues 151 are individually adhered to the inside of the base sheet 15, so that the binding tongues 151 with their on the Inside the bottom sheet 15 adhering adhesive surfaces 154 which engage between the oblong holes 155 and the outer longitudinal edge of the bottom plate 15 long-hole webs 156 engage behind (see. Fig. 10c ).

In Fig. 10c is a cross section through a bottom sheet 15 in the cutout shown schematically, wherein a binding tongue 151 is disposed at one end on the inside of the bottom sheet 15 with its end-side adhesive surface 154 and connected thereto. How out Fig. 10c it can be seen, the binding tongue 151 is serpentine or S-shaped passed through the slot 155, wherein the pointing away from the bottom plate 15 free end of the binding tab 151 is used for binding paper stacks.

As seen from the schematic views of Fig. 10d, 10e can be seen, four tongue-like fingers or binding tongues 151 are arranged with their free ends on one longitudinal side of the paper sheets provided for the binding of paper stacks 15, which are introduced into the perforations 141 of the paper sheets 140, four binding tongues 151 provided in this further embodiment are, whose distance is substantially equal to their width. For this purpose, the binding tongues 151 are arranged at the locations at which the perforation holes 141 are formed in a paper sheet 140.

In order to introduce the free, projecting from the bottom plate 15 free ends of the binding tongues or the binding tongues 151 of the bottom plate 15 in the partial arc-shaped channels of the perforation holes 141 of stacked paper sheets, is in the binding device according to Fig. 1 each one bottom sheet 15 is arranged on the suction belt 12, wherein the binding tongues 151 are initially not glued.

Using the binding device 10 in FIG Fig. 1 the bottom sheets 15 are arranged so that the binding tongues 151 are arranged on the side facing away from the stop 35, so that the binding tongues 151 in the direction of the support table 19 and the stack molding units 21 show.

The suction plate 11 is connected via a vacuum connection 18 with a vacuum source, so that the bottom sheet 15 is held on the suction belt 12 by applying negative pressure.

Under a linear movement from left to right according to Fig. 1 The binding tongues 151 are first passed under one or more glue nozzles 16 above the conveyor table 30, so that the binding tongues 151 are each provided with a glue track 152. In this case, the outer ends of the binding tongues 151 are not provided with glue or adhesives, while the areas of the binding tongues 151 adjoining the base surface of the bottom blade 15 are provided with glue. The glue is fed to the glue nozzles 16 via a glue feed line 17.

In Fig. 10d, 10e the adhesive application surfaces or the glue marks on the binding tongues 151 are designated by the reference numeral 152. The base of the bottom leaves 15 remains adhesive or glue free.

In a further embodiment, glue or glue is applied on both sides of the binding tongues 151 at predetermined locations.

The length and the amount of glue traces 152 on the binding tongues 151 depend on the length of the binding tongues and on the preferred shape of the loops provided for binding the paper stack.

In Fig. 2 a working position of the binding loop forming device 22 is shown in a detailed view, wherein after pivoting the

Tie loop molding device 22 and 24 by the operation of a control lever guide shells 23 in the pre-punched perforations 141 and the pre-punched binding slots of the paper sheets 140 of the stack 14 are introduced. Subsequently, the stack formers 21 are pivoted downwards.

How out Fig. 2 it can be seen, a gap 40 is formed between the bottom of the support table 19 and the suction belt 12 of the conveyor table 30 and between the ends of the guide shells 23 and the suction belt 12, through which the bottom sheet 15 is passed with the binding tongues 151. The arranged respectively on the suction belt 12 bottom sheet 15 is conveyed by means of the movable stop 35 in the direction of the binding loop forming device 22, wherein at the beginning radius of the guide shells 23 of the binding loop forming device 22, the negative pressure is interrupted to the suction belt 12 or is, so that the binding tongues 151 in enter the circular shaped guide shells 23 and bent (see. Fig. 3 ).

Formed as a guide extension for the binding tongues 151 guide shells 23 are pivoted after a concentric positioning to the stack former 21 through the perforations of the flat part stack or the stack 14 to form a circular arc, so that the binding tongues 151 when introduced into the perforations over a circular arc of more than 350 °, preferably 355 °, are arcuately guided or are. In order to reduce the friction of the binding tongues 151 to the inner sides of the guide shells 23 during the insertion or screwing of the binding tongues 151 into the perforations of the stack 14, air is introduced between the binding tongues 151 and the inside of the guide shells 23 using an air nozzle Art air bearing for the binding tongues 151 is formed and a winding of the binding tongues 151 and the binding loops is supported.

The guide shells 23 take over the formation of the paper sheets 140 of the stack 14 at the outer radius in the formation of the loops and lead at the inner radius of the inserted binding tongues 151 in the formation of the loops.

During the conveyance of the base sheet 15 to the suction belt 12, this is passed with its inside or with its binding tongues 151 below the glue nozzles 16, so that the binding tongues 151 are provided with a glue trace (cf. Fig. 10d, 10e , Reference numeral 152). In this way, a predetermined area of the binding tongues 151 is sprayed or provided with a predetermined glue pattern, in order subsequently to be bent along the guide shells 23 after the insertion of the binding tongues 151 into the channels formed by the perforation holes 141. With continued transport of the bottom sheet 15, the front ends of the binding tongues 151 are conveyed in a circular path through 360 °, whereby the front ends of the binding tongues 151 are brought into contact with the glue side 152 of the binding tongues 151 applied on the inner side, thereby forming a indissoluble loop or binding loop is formed.

In Fig. 3 the work situation is shown, in which the base sheet 15 is arranged with the binding tongues 151 glued to it on the suction rings 12 in the binding loop forming device 22, wherein due to the curvature of the guide shells 23, the binding tongues 151 abut the inside of the guide shells 23 and so through the slot-like channel or channels in the stack 14, which are formed by the perforations of the paper stack 14 introduced become.

In Fig. 4a schematically a simple twisted binding loop is shown in Fig. 4b is shown enlarged, omitting the paper stack 14. As out Fig. 4b As can be seen, the front end of the binding tongue 151 is formed with the glue trace 152 in an overlapping contact region 153.

In Fig. 5a 5b is a cross-sectional view of a double-threaded or trained binding loop is shown in cross-section, wherein in the enlarged view according to Fig. 5b also the paper stack 14 has been omitted for reasons of clarity. In accordance with Fig. 5a, 5b formed binding loop is the contact area or the glue trace 152 formed over a circumference of 360 °. Depending on the material thickness of the base sheet 15 or the binding tongues 151, the stability of the loops formed can be increased.

In accordance with Fig. 5a, 5b formed double loop, the pivoted guide shells 23 can be swung back before the formation of the double loop, since an already generated single loop takes over the leadership of the inner loop in the double loop. The binding loops produced according to the invention have a helical cross-section, the contact region or the length of the glue trace being selected or predetermined in accordance with the desired binding loop shape.

After the formation of a loop, the binding loop forming device 22 is pivoted away, as shown in FIG Fig. 6 is shown schematically. Subsequently, the bound paper stack 14 is completely removed together with the loops formed by the binding tongues 151 of the bottom sheet 15 from the binding device, like this in Fig. 7 is shown schematically.

In Fig. 8a is schematically shown the top view of the binding device 10, was omitted for the sake of clarity of the marking of the binding loop forming device. How out Fig. 8a it can be seen, the conveyor table 30 has lateral guide plates or guide rails 13 to ensure a secure positioning of the bottom plate 15 on the suction belt.

In Fig. 8a Furthermore, a bottom plate 15 is shown, wherein the binding tongues 151 are shown below the support table 19 by dashed lines. In addition, the glue nozzles 16 are also shown in dashed lines, by means of which in the root region of the binding tongues 151 a glue trace 152 (cf. Fig. 10d ) is applied.

How out Fig. 8a It can also be seen that the stack formers 21 are arranged between the suction belts 12 and the guide shells 23 of the binding loop forming device 22.

The binding device 10 has at the side facing away from the support table 19 via a multiple magazine 50, the multiple magazine 50 has a plurality of magazine slots 51, in which provided as material portions with a predetermined length binding tongues 151 are filled as a stack. Several binding tongues 151 are simultaneously removed from the magazine shafts 51 and fed to the finger-free base sheet 15 arranged on the support table or on the suction belts 12.

During the conveyance of the binding tongues 151 from the magazine shafts 51 to the base sheet 12, the binding tongues 151 are advantageously transported past a gluing device, see also FIG during transport, the adhesive surfaces 154 (cf. Fig. 10a ) of the binding tongues 151 are provided with an adhesive, in order to subsequently arrange the binding tongues 151 in the edge region of the longitudinal side of the base sheet 15.

Moreover, it is possible, during the feeding of the individual binding tongues 151 to the bottom sheet 12, to provide the bottom tongues 151 with an imprinting or embossing or the like by means of a corresponding processing device. For this purpose, for example, the processing device is designed accordingly as a printing device or as a stamping device or as a punching device.

To the binding tongues 151 on the bottom sheet 12 (see. Fig. 10a ), the binding tongues 151 via a corresponding device, such as a pleat switch or the like, in the slots (see. Fig. 10a Reference numeral 155) of the bottom sheet 12, so that after passing the binding tongues 151, the adhesive end portions of the binding tongues 151 are brought into adhesive contact with the inside of the bottom sheet 12. In the context of the invention, it is also possible that the binding tongues are permanently arranged or connected on the (later) outside of the bottom leaves.

In Fig. 8b is schematically shown in a side view the removal of binding tongues 151 from a magazine shaft 51 in cross section. Binding tongues 151 are arranged in the magazine shaft 51 in a stacked manner, which are removed by means of a removal device arranged below the magazine shaft 51 in the form of a rotatable removal wheel 60 pivotable on a pivoting arm and conveyed in its longitudinal direction.

Adjacent to the rotationally driven removal wheel 60, a glue nozzle 61 is disposed so that glue or glue or the like is applied to one end of the binding tongue 151 while conveying the picked binding tongue 151 at a predetermined position. Subsequently, the glued binding tongue 151 is arranged using appropriate means on the bottom sheet 15 with one end. Preferably, the number and position of the laterally spaced magazine wells 51 corresponds to the number of binding tongues 151 to be simultaneously attached to the bottom sheet 15.

As an alternative or in addition to a gluing of the binding tongues 151, in one embodiment of the device it is possible for the bottom leaf 12 to be provided with an adhesive in the edge region in which the ends of the binding tongues 151 are arranged in order to carry the binding tongues 151 conveyed in this region to connect to the bottom sheet 15.

In Fig. 8c is schematically shown in cross-section an alternative embodiment for supplying binding tongues 151 to a base sheet 15 schematically. In this case, a wound on a reel 80, endless material strip of 150 is withdrawn by means of a pair of withdrawal rollers 71 and then conveyed to a printing device in the form of a pair of printing rollers 72, so that on the strip of material 150 an imprint is printed. Preferably, the number and the position of the laterally spaced strips of material 150 corresponds to the number of binding tongues to be applied simultaneously. Alternatively or additionally, an embossing on the material strip 150 can also be applied by means of a corresponding embossing device.

Subsequent to the printing device 72, the endless strip of material 150 is conveyed to a cutting device 73 in the form of a rotating cutterhead so that binding tongues 151 having a predetermined length are cut from the endless strip of material 150. Subsequently, the cut binding tongues 151 of finite length are conveyed to a glue applicator in the form of a glue roller pair 74 to apply glue to one end of the binding tongues 151 so that the glued end is permanently bonded to the bottom sheet 15.

In an advantageous embodiment of the outer leaf assembly, the axes of rotation of the conveying devices and processing devices 60, 80, 71, 72, 73, 74 transversely, in particular perpendicular, to the conveying direction of the bottom plate 15 and the suction belt 12 are arranged.

In addition, it is provided in the context of the invention in one embodiment that during the promotion of the material strip 150 or the binding tongues 151 these are broken by means of a breaking device on the (later) inside of the binding tongues, whereby the winding formation or loop formation is supported. Since the broken binding tongues 151 are kept flat on the suction table during transport to the binding loop forming device, buckling during screwing in of the loop is avoided.

In the context of the invention, it is possible that instead of the processing devices shown schematically, other or further processing devices are provided to apply appropriate imprints or embossing or punching or other glue patterns on the material strip 150. Alternatively or additionally, the binding device 10 can also be attached via a glue application device for the bottom sheet, so that the later joints with the binding tongues on the bottom sheet 15 are provided with glue or glue or the like.

In addition, in a further, not shown, embodiment of the binding device 10 may be provided that of only or exclusively a withdrawn from a reel of material 80 strips of material required for each bottom sheet 15 binding tongues, preferably one after the other, cut after cutting the Binding tongues these are spaced apart from each other to be subsequently delivered by means of a corresponding, not shown here transfer device the corresponding slots of the bottom plate 15.

In this further advantageous embodiment of the outer panel assembly device, the axes of rotation of the conveying devices and of the processing devices, such as the bobbin axis, a printing device, a cross-cutting device, an embossing device and / or groove device, preferably parallel to the conveying direction of the bottom plate 15 and the suction belt 12 are arranged. This can be done before or after cutting the binding tongues of the strip of material gluing or other processing of the binding tongues or the material strip accordingly.

In Fig. 11 schematically a perspective view of a bound paper stack 14 is shown, wherein on the upper side the cover sheet 142 and at the bottom of the bottom sheet 15 are arranged. By the loop-like curl of the binding tongues 151 of the paper stack 14 is permanently bonded, wherein the binding tongues 151, for example, during their supply to the bottom sheet 15 are processed accordingly, so that, for example, by means of a printing device, the binding loops 151 are printed. In addition, it is also possible to punch the binding tongues or to provide by means of an embossing device accordingly with an embossing on the outside.

According to the paper stacks to be bound, it is possible within the scope of the invention that the length and / or the width and / or the thickness of the binding tongues 151 is selected as required or the length and / or the width and / or the thickness are adjusted accordingly becomes. Moreover, it is also possible to predetermine the color of the binding tongues 151 in order to give the bound product a desired color appearance.

In Fig. 12 a bonded end product is shown schematically in cross-section, the binding tongue 151 provided with the adhesive surface 154 being arranged on the inside of the base sheet 15 by the binding according to the invention, the binding tongue 151 being guided through a slot in the base sheet 15 (cf. Fig. 10c ), so that after application of adhesive surfaces 154 on desired areas of the binding tongues 151, the free ends of the binding tongues 151 are introduced into a stack 14 with a cover sheet 142 and formed loop-shaped.

According to the invention pre-punched flat parts, such as paper sheets, bound, the binding loops are arranged or glued in or on the bottom sheet or on the cover sheet or outer sheet. In accordance with the intended type of binding, eg single loop or double loop, the lengths and the number of binding tongues are cut out on the base sheet or cover sheet and then formed into a loop by means of a binding loop molding device 22 on the flat pile to be bound and into the loop

Turned flat stack of parts.

Moreover, it is possible within the scope of the invention that the material for the bottom sheet or the cover sheet with the subsequently arranged individual binding tongues has ingredients, whereby after formation of a binding loop the sheet material is exposed to a radiation source in order to reduce the flexibility of the material, whereby the condition of the loop is maintained and at the same time a firm writing pad or the like is achieved.

By cutting the binding tongues and the more or less screwing to the binding loop different loop diameters are generated, which can be bound with fewer blanks of bottom or cover sheets different paper layer thicknesses. Furthermore, the shaped binding loops are fixed at the transfer point after 360 ° with adhesive, whereby the bound by the binding loops material or the bound stack can not subsequently be removed from the binding loop.

Furthermore, it is possible within the scope of the invention for the outer leaf used (bottom leaf or cover leaf) to be rounded in particular at the points which are formed into the binding loop. As a result, a good sliding behavior is achieved by the loop former.

Moreover, it is possible within the scope of the invention that a magazine for the bottom leaves or outer leaves is provided on the binding device, whereby an automatic working method is achieved on the binding device.

All the features mentioned, including the drawings to be taken alone as well as individual features that are disclosed in combination with other features are considered alone and in combination as essential to the invention. Embodiments of the invention may be accomplished by individual features or a combination of several features.

LIST OF REFERENCE NUMBERS

10

binding device

11

suction plate

12

suction belt

13

guide plates

14

stack

15

bottom sheet

16

glue nozzle

17

Leimzuführleitung

18

Vacuum port

19

support table

20

guide plate

21

stack formers

22

Binding loop forming device

23

guide pan

24

control lever

30

conveyor table

32

role

33

role

35

attack

40

gap

50

More magazine

51

magazine well

60

extraction wheel

61

glue nozzle

70

reel

71

Off rollers

72

print Setup

73

cutter

74

adhesive application

80

reel

121

head Start

122

swivel arm

125

Beam

140

sheet of paper

141

perforation

142

cover sheet

150

strips of material

151

pawls

152

glue line

153

creasing

154

adhesive surface

155

Long hole

156

Long castellated

Claims (16)

Method for binding stacked flat parts (140), in particular paper sheets (140), wherein the flat parts (140) are provided with perforations (141) for receiving fingers (151) of an outer sheet (15), wherein in a preparatory step at a In particular, finger-free, outer sheet (15) a plurality of individual fingers (151) are arranged, so that an outer sheet (15) with a plurality of fingers (151) is provided, and wherein the fingers (151) of the outer sheet (15) in a predetermined area with a Adhesive means are provided, the fingers (151) in the perforations (141) of the stacked flat parts (140) are introduced such that the fingers (151) are bent or are spirally bent, wherein a, preferably adhesive-free, portion of the fingers (151 ) is in each case brought into overlapping contact with an area of the respective finger (151) provided with adhesive. Method for binding stacked flat parts (140), in particular paper sheets (140), wherein the flat parts (140) are provided with perforations (141) for receiving fingers (151) of an outer sheet (15), wherein in a preparatory step at a In particular, finger-free outer sheet (15) a plurality of individual fingers (151) are arranged so that an outer sheet (15) with multiple fingers (151) is provided, and wherein, preferably adhesive-free, fingers (151) of the outer sheet (15) in the Perforations (141) of the stacked sheets (140) are inserted such that the fingers (151) are or are spirally bent, with one portion of the fingers (151) being overlapped into contact with another portion of the finger (151) is, in which case the overlapping contact areas of the fingers (151), preferably by means of radiation energy and further preferably by means of heat input, inseparably connected to each other n. A method according to claim 1 or 2, characterized in that the individual fingers (151) are connected to the, preferably finger-free, outer sheet (15), preferably during the preparation step. Method according to one of claims 1 to 3, characterized in that the individual fingers (151) are provided as finite finger portions of a predetermined length in one magazine (50) or in several magazines (51) and subsequently from the magazine (50) or from the magazines (51) to the finger-facing outer sheet (15), simultaneously or in a predetermined order. Method according to one of claims 1 to 3, characterized in that the individual fingers (151) are cut as finite finger portions having a predetermined length of one or more endless, preferably wound, finger material strips (150) and subsequently the cut finger material strip portions (151) as Fingers (151) are supplied to the finger-facing outer sheet (15), simultaneously or in a predetermined order. Method according to one of claims 1 to 5, characterized in that prior to the arrangement of the fingers (151) on the outer sheet (15) the fingers (151) or the finger material strips (150) by means of at least one processing means (61, 72, 73, 74 ), preferably printing device and / or embossing device, are processed. Method according to one of claims 1 to 6, characterized in that prior to the arrangement of the fingers (151) on the outer sheet (15) the fingers (151) or the finger material strips (150) are or are provided with glue, in particular a glue pattern / or that the outer sheet (15) is or will be provided with glue, in particular with a predetermined glue pattern. Method according to one of claims 1 to 7, characterized in that for the arrangement of the fingers (151) on the outer sheet (15) the individual fingers (151) in respective perforations (155) of the outer blade (15) are introduced, wherein one of the ends (154) the finger (151) is in each case connected to the outer leaf (15) and the respective other ends of the fingers (151) protrude as free ends from the outer leaf (15), wherein in particular the fingers (151) arranged on the outer sheet (15) are arranged in such a way that the fingers (151) respectively engage behind the webs (156) of the respective perforations (155), preferably formed on an edge of the outer sheet (15). Method according to one of claims 1 to 8, characterized in that the ends of the fingers (151) connected to the outer sheet (15) are arranged facing the inside of the bonded flat parts (140) after bonding the flat parts (140) stacked on one another. Device (10) for binding stacked flat parts (140), in particular paper sheets (140), with a preferably metal-free binder (151), the flat parts (140) being provided with perforations (141), characterized in that an outer-sheet composing device is provided, so that by means of Außenblattzusammenstelleinrichtung on one, in particular finger-free outer leaf (15) a plurality of individual fingers (151) are arranged or can be arranged, so that the output side of the Außenblattzusammenstelleinrichtung an outer leaf (15) with several fingers (151) for insertion into a Finger Eingbringvorrichtung (22, 23) is provided or, a finger insertion device (22, 23) for inserting fingers (151) of an outer sheet (15) for the flat parts (140) is provided such that the fingers (151) spirally bent or spiral bendable and an area of the perforations (141) of the flat parts (140) inserted Fing it is (151) overlapping with another portion of the respective finger (151) is brought into contact or is, and a conveyor (12, 35) for the promotion of the formed with fingers (151) outer leaf (15) is provided, so that in each case an outer leaf (15) to the finger insertion device (22, 23) is conveyed, wherein on the finger insertion device (22, 23) has a receptacle (19) for a stack to be bound (14) of flat parts ( 140) is provided. Device according to claim 10, characterized in that the outer sheet assembling device has at least one or more magazines (50, 51) for the individual fingers (151) of finite length and in that a finger transfer device is provided so that the finger means of the finger transfer device (151) the finger free Outer sheet (15) can be fed. Apparatus according to claim 10 or 11, characterized in that the outer panel assembly means at least one receiving means (80) for at least one, preferably endless and / or wound finger material strips (150), and a cutting device (73) for cutting the, preferably partially unwound, finger material strip (150) in Fingerermaterialstreifenabschnitte as a single finger (151) of finite length and that a finger transfer device is provided so that by means of the finger transfer device, the fingers (151) the finger-free outer sheet (15) can be fed. Device according to one of claims 10 to 12, characterized in that the outer sheet assembling means comprises at least one processing device (71, 72, 73, 74) for the finger material strip, preferably printing device and / or embossing device, wherein in particular the processing device with respect to the conveying direction of the outside sheet supplied finger is arranged in front of the location of assembling the outer sheet with the fingers, and / or that the Außenblattzusammenstelleinrichtung a glue applicator (61) for the individual fingers or a glue applicator (74) for the, preferably endless, finger material strip (150) and / / or a glue applicator for the outer sheet (15) are provided. Bound flat parts, in particular paper sheets (140), wherein an outer sheet (15) has a plurality of fingers (151), preferably parallel and / or juxtaposed, wherein the fingers (151) of an outer sheet (15) are arranged in perforations (141) stacked Flat pieces (140) are arranged, wherein the fingers (151) are spirally bent and a portion of the fingers (151) is brought into overlapping contact with another portion of the respective finger (151) and a loop is formed, wherein the fingers (151 ) are inextricably linked together in the contact region of the fingers (151), and wherein the ends of the individual fingers remote from the loops formed are connected to an outer leaf, in particular obtainable by carrying out the method according to one of claims 1 to 9, in particular using a device according to one of claims 10 to 13. Bound flat parts according to claim 14, characterized in that the ends of the individual fingers (151) are arranged on the inner side of the outer sheet, wherein in particular the fingers (151) respectively, preferably at an edge of the outer sheet (15) formed, the webs (156 ) of the respective perforations (155) provided on the outer sheet (15) for the fingers (151) and / or that the ends of the individual fingers (151) on the outer side of the outer sheet (15) are arranged and / or that the outer sheet (15) and the fingers (151) made of different, especially non-metallic, materials and / or different thickness and / or color are different or that the fingers (151) made of different, especially non-metallic, materials exist and / or different thickness and / or different width and / or different lengths and / or different colors. Bound flat parts according to claim 14 or 15, characterized in that the fingers (151), in particular in the field of view, have an imprint and / or an imprint and / or the fingers (151), in particular in the joining area to the outer leaf (15), at least one Grooving transverse to the longitudinal extent of the fingers (151).

Images