EP3457388B1 - Rouleau d'étiquettes adhésives - Google Patents

Rouleau d'étiquettes adhésives Download PDF

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Publication number
EP3457388B1
EP3457388B1 EP17191808.9A EP17191808A EP3457388B1 EP 3457388 B1 EP3457388 B1 EP 3457388B1 EP 17191808 A EP17191808 A EP 17191808A EP 3457388 B1 EP3457388 B1 EP 3457388B1
Authority
EP
European Patent Office
Prior art keywords
adhesive
strip
self
continuous strip
label roll
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.)
Active
Application number
EP17191808.9A
Other languages
German (de)
English (en)
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EP3457388A1 (fr
Inventor
Uwe Jannasch
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.)
Bizerba Labels & Consumables GmbH
Original Assignee
Bizerba Labels & Consumables GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by Bizerba Labels & Consumables GmbH filed Critical Bizerba Labels & Consumables GmbH
Priority to EP17191808.9A priority Critical patent/EP3457388B1/fr
Publication of EP3457388A1 publication Critical patent/EP3457388A1/fr
Application granted granted Critical
Publication of EP3457388B1 publication Critical patent/EP3457388B1/fr
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Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F3/00—Labels, tag tickets, or similar identification or indication means; Seals; Postage or like stamps
    • G09F3/02—Forms or constructions
    • G09F3/0297—Forms or constructions including a machine-readable marking, e.g. a bar code
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J11/00—Devices or arrangements  of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form
    • B41J11/36—Blanking or long feeds; Feeding to a particular line, e.g. by rotation of platen or feed roller
    • B41J11/42—Controlling printing material conveyance for accurate alignment of the printing material with the printhead; Print registering
    • B41J11/46—Controlling printing material conveyance for accurate alignment of the printing material with the printhead; Print registering by marks or formations on the paper being fed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J11/00—Devices or arrangements  of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form
    • B41J11/66—Applications of cutting devices
    • B41J11/663—Controlling cutting, cutting resulting in special shapes of the cutting line, e.g. controlling cutting positions, e.g. for cutting in the immediate vicinity of a printed image
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J11/00—Devices or arrangements  of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form
    • B41J11/66—Applications of cutting devices
    • B41J11/70—Applications of cutting devices cutting perpendicular to the direction of paper feed
    • B41J11/703—Cutting of tape
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F3/00—Labels, tag tickets, or similar identification or indication means; Seals; Postage or like stamps
    • G09F3/02—Forms or constructions
    • G09F3/0286—Forms or constructions provided with adaptations for labelling machines
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F3/00—Labels, tag tickets, or similar identification or indication means; Seals; Postage or like stamps
    • G09F3/08—Fastening or securing by means not forming part of the material of the label itself
    • G09F3/10—Fastening or securing by means not forming part of the material of the label itself by an adhesive layer

Definitions

  • the invention relates to a roll of self-adhesive labels in the form of a printable, continuous strip without a liner, from which individual self-adhesive labels can be separated, the continuous strip having a printable front-side surface of the strip and an opposite rear-side surface of the strip with an adhesive layer, so that the continuous strip can be wound into a roll, wherein the endless strip is designed so that self-adhesive labels can be torn off at tear or cut lines transverse to the longitudinal direction of the endless strip, the tear or cut lines on the back of the strip being surrounded by an adhesive layer-free area, and on the back of the strip surface from outside Detectable markings are attached to the continuous strip, which indicate the position of the areas free of the adhesive layer and the detection of which enables automatic control of the process of separating the adhesive labels from the continuous strip touch allows.
  • Such a self-adhesive label roll with detectable markings is known from US Pat US 6,585,437 B1 .
  • This known self-adhesive label roll corresponds to the preamble of claim 1.
  • Such self-adhesive label rolls make it possible, for example, to print different current data, in particular product data, on a large number of labels by means of a printer.
  • the respective label can be peeled off the roll and stuck individually to a desired surface. This can be done in the simplest case done by hand, such as in the EP 1 053 289 B2 is described. A printable, linerless, continuous strip is also assumed there, from which individual self-adhesive labels can be separated. For better manual handling of the individual adhesive coupons, it is proposed to provide adhesive-free areas in the adhesive layer on the back of the tape, where the tape can be touched without the user's fingers coming into contact with the adhesive.
  • the EP 3 021 307 A1 proposes the provision of notches on the edges of the tape, each marking the beginning and the end of a separation area between two labels following one another on the tape.
  • the US 6,358,353 B1 describes a roll of labels. There are markings with fluorescent ink between the labels, which convert UV light into visible light. When the label roll is irradiated with modulated UV light, the markings emit the UV light as visible light. This converted light is measured by a detector. A cutting device cuts off the labels at the points indicated in this way by the markings.
  • the US 2014/0152753 A1 discloses a label sheet.
  • the label sheet can be printed with heat on the printing surface on the front.
  • the markings indicate the position of the printing surfaces and can be detected by an optical sensor.
  • a printer identifies the information encoded in the markings and carries out a corresponding printing on the printing surfaces in order to produce the labels.
  • the black marks which have a certain width, are used to indicate the cutting edge.
  • the blackmarks do not disappear after cutting. That is, they are still visible on the label, especially at the edge where they can even be seen particularly easily if the label has already been stuck on and you are looking at it from above. Since the blackmarks are arranged in the adhesive-free area, the label can easily be bent over at this point - barely noticeable - or detached from the product so that the black blackmark can be seen even more clearly. This would not be the case with an "invisible" black mark, but this is not possible with the prior art solutions.
  • the black black mark may also push through the label and can be seen as a shadow when looking at the label from the top. This is especially true when the label is stuck to a clear plastic tray and the tray may be backlit. In this case there would be scattered light underneath the label - from the inside of the plastic shell - and so the black blackmarks would shine through to the top of the label.
  • the object of the invention is to improve a self-adhesive label roll of the type defined at the beginning inexpensively and with readily available technical means in an uncomplicated manner, in particular to offer a reproducible, manageable, operationally reliable and versatile self-adhesive label roll with an endless strip constructed without a liner, in which none for Blackmarks visible to the human eye are present.
  • a generic self-adhesive label roll in which the rear surface of the strip has an optical brightener contained in the strip material, integrated therein or applied to it, which has natural pigments and / or fluorescent components, and that the detectable Markings contain UV light absorbing, blocking or covering substances, so that a sensor sensitive to UV light receives a weakened UV light signal from the light reflected from the rear surface of the strip from the spatial surroundings of the markings.
  • the optical brightener is attached to the paper to reflect light on the front of the endless strip and thereby make the paper appear brighter and "whiter".
  • the optical brightener in the paper also reflects on the back of the continuous strip, which the present invention makes use of. This effect has so far been disregarded, in particular, because in the processed state a self-adhesive label is stuck with the back on an object, and the back is therefore not visible.
  • the reverse side is However, the continuous strip is directly accessible and the reflection of light on the back of the continuous strip can be used for its processing.
  • the detectable markings cannot be seen even in the visible range of the spectrum, but rather only interact with the optical brightener in the UV range according to the invention, the presence of these "invisible” markings does not adversely affect the visual-aesthetic appearance of the label.
  • the endless strip itself is not necessarily controlled by the markings. These can be used to control the feed, but this does not necessarily have to be the case. However, the markings are used in any case for cutting off in the area free of the adhesive layer. The control of the feed happens more in connection with the printing process and the print roller.
  • the strip material itself will have optical brighteners - at least in Europe and North America.
  • the brighteners are usually not printed on separately, but rather “mixed in” with the paper material, that is to say part of the paper and thus integrated, so to speak.
  • the optical properties of the fluorescent brightening substances which at least in Europe and the USA are regularly integrated into the paper of the continuous strip or applied to it, are used in the proposals of the prior art for the external detection of the markings - namely in a non-visible spectral range - not used at all so far.
  • markings of the marking should be understood to mean that a light signal is weakened at the point where the marking is located, that is to say not only in the narrow sense directly around the marking.
  • the self-adhesive label roll according to the invention thus has a special type of detectable markings, in contrast to the previously customary design, which contain UV light absorbing, blocking or covering substances. These enable a sensor that is sensitive to UV light to receive a weakened UV light signal from the light reflected from the rear surface of the strip from the vicinity of the markings. Detection with sensors that react to UV light and work in the UV range at around 365nm makes it possible to use the optical brighteners that are used as standard in paper, at least in Europe and the USA, for the purpose of controlling the processing of the self-adhesive label roll close.
  • Optical brighteners are chemical substances, for example fluorescent substances, which are often used in photo papers (e.g. RC papers). They are integrated in the coating or in the paper base. Optical brighteners make the paper appear artificially whiter as a result.
  • the human eye can only perceive a very limited part of the electromagnetic spectrum of light. This part, the visible spectrum, lies between 380nm (ultraviolet limit) and 780nm (infrared limit).
  • Optical brighteners are molecules that emit electromagnetic rays between 300nm and 400nm (i.e. outside the visible spectrum) and reflect them within the visible spectrum between 400nm and 500nm (in the range of the color blue). This phenomenon is known to those skilled in the art as fluorescence.
  • the natural cellulose fibers which are omnipresent in paper production, tend to absorb radiation in the blue range and therefore appear yellowish.
  • An optical brightener "compensates" for this loss in the spectrum, since the colors blue and yellow cancel each other out as complementary colors. In this way, the paper appears whiter and lighter thanks to the fluorescence effect.
  • the optical brightener integrated in the strip material or applied to it has exclusively natural pigments and / or fluorescent components.
  • the adhesives usually used to build up the adhesive layer on the back of the continuous strip are practically always transparent or semi-transparent and do not cover the optical brighteners at all or only a little on the outside, so that the optical effect of the optical brightener on the Back of the continuous strip is present.
  • the substances covering the detectable markings or absorbing or blocking UV light are applied in the form of a white colored layer on the rear surface of the strip.
  • This color layer can be printed in the same process and with the same production line as the black blackmarks known from the prior art.
  • the black color only needs to be replaced by white substances that absorb, cover or block UV light.
  • the invention therefore only requires an uncomplicated conversion of the production system, but not its expansion, for example by a further printing station.
  • a second class of embodiments is characterized in that the substances covering the detectable markings or absorbing or blocking UV light are in the form of colored areas that act as UV absorbers between the rear surface of the strip and the adhesive of the adhesive layer or on the surface of the rear surface of the strip facing away from the outer surface of the adhesive layer are applied.
  • the adhesive is not covered by the marking and also in the area of the marking the detention effect of the detention view remains.
  • the previous production line for producing the label can be retained unchanged until the step of coating with adhesive. Up to this process step, there is no need to convert a production line that produces state-of-the-art labels.
  • the substances covering the detectable markings or absorbing or blocking UV light are applied in the form of color pigments that act as UV absorbers in the adhesive of the adhesive layer on the rear surface of the strip.
  • the production line corresponds to a production line that does not print black marks, but can apply adhesive in certain structures (in English "pattern coating") in order to generate the areas on the label that are free of the adhesive layer.
  • an adhesive is used in which the color or the UV absorber is mixed. This means that the production line does not need to be retooled, just replacing the adhesive.
  • the self-adhesive label roll can be designed so that the color pigments contain inorganic substances such as titanium dioxide, indium oxide, calcium carbonate, in particular in finely ground and highly white or precipitated form, or iron pigments, but preferably none organic substances.
  • the use of a large number of organic substances is prohibited, especially in the food sector, due to the strict hygiene regulations that apply there.
  • the adhesive of the adhesive layer is a hot-melt adhesive which can preferably be applied to the rear surface of the strip at 100 ° C. to 170 ° C.
  • the melting point of the adhesive is usually between 90 ° C and 100 ° C.
  • the processing temperature of the adhesive is usually around 140 ° C to 170 ° C.
  • the markings themselves form a check pattern, as is the case with checked paper, but they do can also only be applied in sections and thus indicate the points to be cut. In most cases, the markings will be applied in sections. Due to the fact that the black marks are invisible according to the invention, checked patterns that have been consistently avoided up to now are possible without the optical restrictions associated therewith in the prior art being created.
  • the check pattern increases the universal applicability of the self-adhesive label roll, since the position of the sensor device for detecting the marking in the printer does not have to be coordinated with the label roll.
  • a marking should be at least 2mm x 2mm in size in order to be able to be reliably detected, whereby a more realistic size for process-reliable detection is 10mm x 5mm.
  • a single label for example a postage stamp
  • two or three labels can be arranged side by side, with the invisible black marks along the roll indicating the cutting position and further invisible black marks along the broad side of the roll showing the cutting position on this side.
  • a grid of invisible blackmarks is then printed on.
  • the invisible black marks along the broad side of the roll are also suitable for checking the alignment of the roll compared to a print head, especially if the printer does not have an exact lateral stop for the label roll and the labels do not have a predefined lateral position to the print head and / or take to a cutting device along the long side of the label roll.
  • the self-adhesive label roll according to the invention in which the adhesive labels are designed in a suitable manner for application to food, but also for use as postage stamps or as adhesive receipts for any labeling or labeling of goods.
  • the advantages of the invention are particularly effective here.
  • n ⁇ 2 labels and thus also n-1 detectable markings transverse to the longitudinal direction of the continuous strip are provided.
  • this process variant is likely to be the most common and most sensible method.
  • optical brightener - at least in Europe and North America - is already in the paper and can now be used in a simple way to detect the position of the labels.
  • no optically disruptive black marks can be seen when using the present invention.
  • the method described above can advantageously be further developed in that the adhesive layer is applied to the rear surface of the strip by means of a printing process, preferably with a slot nozzle, a roller-bar nozzle and / or in one in a pattern coating process, so that an adhesive application is created with glue-free interruptions in order to later cut off the labels in this area.
  • the scope of the present invention also includes a method for processing a self-adhesive label roll according to the invention of the type described above, which is characterized in that the distance between two adjacent detectable markings in the longitudinal direction of the endless strip is a length X, and that the length of the of the self-adhesive label roll, labels currently to be cut is selected as a size N x X, where N is a natural number ⁇ 1.
  • the individual length N ⁇ X of the labels initially remains open and can, if required, also be set as an integer multiple of the distance X between the markings, so that when a label is cut an area without an adhesive layer is always hit by the knife. If the labels are cut off in the adhesive-free area, the knife wears significantly less and must first be replaced or cleaned at much longer maintenance intervals.
  • a particularly preferred variant of the processing method according to the invention is characterized in that the individual adhesive labels are printed on the front surface of the continuous strip with the aid of a printer, in particular by means of direct thermal printing, and are also cut by an integrated cutting device or a cutting device connected to the printer, precisely in the areas free of the adhesive layer.
  • the cutting device can in particular also comprise a rectangular cutter, which is transverse and longitudinal to the direction of the endless strip cuts at the same time and can therefore punch labels out of the roll very quickly and effectively.
  • the printer has a sensor that is sensitive to UV light, which receives a light signal of the light reflected from the rear surface of the strip, that the sensor sends its received UV light signals to a control unit, and that the control unit, when it receives a weakened UV signal due to the current passing of a detectable marking, controls the printer and the cutting device in order to print an adhesive label and cut it off in an area free of adhesive layer, preferably along tear-off or cutting lines.
  • the invention is based on a self-adhesive label roll 1 in the form of a printable, continuous strip 2 constructed without a liner tape; 2 ', from which individual self- adhesive labels 3 can be separated, the endless strip 2; 2 'has a printable front-side strip surface 4 and a rear-side strip surface 5 opposite this, with an adhesive layer 6 , so that the endless strip 2; 2 'can be wound into a roll 1, the endless strip 2; 2 'is designed so that self-adhesive adhesive labels 3 on tear or cutting lines 7 transverse to the longitudinal direction of the endless strip 2; 2 'are separable, the tear or cutting lines 7; 7 ' on the back of the strip in each case from an area 8 free of adhesive layer; 8 'are surrounded, and wherein on the rear surface of the strip 5 from outside the endless strip 2; 2 ' detectable markings 9; 9 'are attached, which indicate the position of the areas 8; 8 'and their Detection enables automatic control of the separation process.
  • the self-adhesive label roll 1 according to the invention is distinguished from the prior art in that the rear-side strip surface 5 has an optical brightener contained in the strip material, integrated therein or applied to it, which reflects light incident on the rear-side strip surface 5 with increased proportions in the UV range, and that the detectable markings 9; 9 'contain UV light absorbing, blocking or covering substances, so that from the vicinity of the markings 9; 9 ′ a sensor sensitive to UV light receives an attenuated UV light signal of the light reflected from the rear surface 5 of the strip.
  • the Fig. 1 shows a first, relatively simple embodiment of a self-adhesive label roll 1 according to the invention, in which the width of an individual label corresponds to the width of the continuous strip 2 in a schematic spatial representation.
  • the detectable markings 9 shown were each selected to be positioned directly adjacent to a tear or cutting line 7. This positioning can, however, also be selected differently in other embodiments of the invention: a marking 9; 9 'also symmetrically on a tear-off or cutting line 7; 7 'or the adhesive layer-free Area 8; 8 'fill in completely or extend over the entire width of the label 3.
  • Figure 2B shows Figure 2B an embodiment in which the markings 9 do not adjoin the tear or cutting lines 7, but are arranged in the area of the adhesive layer 6 at the edge of the adhesive-free area 8, between the paper surface and the - normally transparent- adhesive layer 6 or on them Exterior surface.
  • Figure 2C represents a somewhat more complex embodiment of the invention.
  • the detectable markings 9 in adhesive-free areas 8 transversely to the longitudinal direction of the continuous strip 2 '
  • FIGS 3A to 3D show schematically the respective cross section of the endless strip 2 with a selection of different possible embodiments.
  • the basic structural design of the endless strip 2 which has a thermoreactive layer 10 on the printable front surface 4 of the strip and a cover layer 11 (mostly a silicone layer) over it, which replaces the previously common liner.
  • Figure 3B shows a schematic cross-sectional view through a section of the endless strip 2 in an embodiment with markings 9 positioned on the edge of the adhesive layer 6, but in the adhesive-free area 8.
  • Figure 3C shows an embodiment with the markings 9 below the -transparent- adhesive layer 6 between paper and adhesive layer 6.
  • Figure 3D finally, shows an embodiment with the markings 9 above the adhesive layer 6 on the outside of the rear-side strip surface 5.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Adhesive Tapes (AREA)

Claims (15)

  1. Rouleau d'étiquettes auto-adhésives (1) sous la forme d'une bande sans fin (2; 2') imprimable, réalisée sans doublure, à partir de laquelle des étiquettes adhésives individuelles (3) peuvent être séparées, la bande sans fin (2; 2') présentant une surface de bande côté avant imprimable (4) et une surface de bande côté arrière opposée (5) dotée d'une couche d'adhérence (6), de telle sorte que la bande sans fin (2; 2') peut être enroulée en un rouleau (1), la bande sans fin (2; 2') étant conçue de telle sorte que des étiquettes auto-adhésives (3) peuvent être séparées au niveau de lignes de déchirure ou de coupe (7) transversalement à la direction longitudinale de la bande sans fin (2; 2'), les lignes de déchirure ou de coupe (7; 7') sur le côté arrière de la bande étant respectivement entourées par une zone (8; 8') exempte de la couche d'adhérence, et des marques détectables (9; 9') étant appliquées sur la surface de bande côté arrière (5) depuis l'extérieur de la bande sans fin (2; 2'), les marques indiquant la position des zones (8; 8') exemptes de la couche d'adhérence et la détection des marques permettant une commande automatique du processus de séparation des étiquettes adhésives (3) à partir de la bande sans fin (2; 2'),
    caractérisé en ce
    que la surface de bande côté arrière (5) présente un azurant optique contenu dans le matériau de bande, intégré dans celui-ci ou appliqué sur celui-ci, lequel azurant optique présente des pigments naturels et/ou des composants fluorescents, et en ce que les marques détectables (9; 9') contiennent des substances absorbant, bloquant ou recouvrant la lumière UV, de telle sorte qu'un capteur sensible à la lumière UV reçoit un signal affaibli de lumière UV de la lumière réfléchie par la surface de bande côté arrière (5), depuis la région des marques (9; 9').
  2. Rouleau d'étiquettes auto-adhésives selon la revendication 1, caractérisé en ce que l'azurant optique intégré dans le matériau de bande ou appliqué sur celui-ci présente uniquement des pigments naturels et/ou des composants fluorescents.
  3. Rouleau d'étiquettes auto-adhésives selon l'une des revendications 1 ou 2, caractérisé en ce que les substances recouvrant les marques détectables (9; 9') ou absorbant ou bloquant la lumière UV sont appliquées sous forme d'une couche de couleur blanche sur la surface de bande côté arrière (5).
  4. Rouleau d'étiquettes auto-adhésives selon l'une des revendications 1 ou 2, caractérisé en ce que les substances recouvrant les marques détectables (9; 9') ou absorbant ou bloquant la lumière UV sont appliquées sous forme de surfaces colorées, faisant office d'absorbeurs d'UV, entre la surface de bande côté arrière (5) et l'adhésif de la couche d'adhérence (6) ou sur la surface externe de la couche d'adhérence (6) opposée à la surface de bande côté arrière (5).
  5. Rouleau d'étiquettes auto-adhésives selon l'une des revendications 1 ou 2, caractérisé en ce que les substances recouvrant les marques détectables (9; 9') ou absorbant ou bloquant la lumière UV sont appliquées sous forme de pigments de couleur, faisant office d'absorbeurs d'UV, dans l'adhésif de la couche d'adhérence (6) sur la surface de bande côté arrière (5).
  6. Rouleau d'étiquettes auto-adhésives selon la revendication 5, caractérisé en ce que les pigments de couleur comprennent des substances inorganiques telles que le dioxyde de titane, l'oxyde d'indium, le carbonate de calcium, en particulier sous forme finement broyée et fortement blanche ou précipitée, ou des pigments de fer, mais de préférence aucune substance organique.
  7. Rouleau d'étiquettes auto-adhésives selon l'une des revendications précédentes, caractérisé en ce que l'adhésif de la couche d'adhérence (6) est un adhésif thermofusible qui peut être appliqué sur la surface de bande côté arrière (5) de préférence à 100 °C et jusqu'à 170 °C.
  8. Rouleau d'étiquettes auto-adhésives selon l'une des revendications 1 à 7, caractérisé en ce que la largeur d'une étiquette individuelle (3) correspond à la largeur de la bande sans fin (2).
  9. Rouleau d'étiquettes auto-adhésives selon l'une des revendications 1 à 7, caractérisé en ce que la largeur d'une étiquette individuelle correspond à la largeur d'une fraction 1/n de la bande sans fin (2'), n étant un entier et n ≥ 2, et en ce que, en plus des marques détectables (9) dans les zones (8) transversales à la direction longitudinale de la bande sans fin (2'), d'autres marques détectables (9') sont présentes dans les zones (8') parallèles à la direction longitudinale de la bande sans fin (2'), de telle sorte qu'il en résulte une grille plate de marques détectables (9; 9') sur la surface de bande côté arrière (5).
  10. Rouleau d'étiquettes auto-adhésives selon l'une des revendications précédentes, caractérisé en ce que les étiquettes adhésives (3) du rouleau d'étiquettes auto-adhésives sont conçues pour être appliquées sur des produits alimentaires ou pour être utilisées comme timbres-poste ou comme reçus adhésifs.
  11. Procédé de fabrication d'un rouleau d'étiquettes auto-adhésives selon l'une des revendications 1 à 10, comprenant les étapes suivantes :
    - mise à disposition d'un papier comportant un azurant optique et une couche thermoréactive (10) sur un côté avant (4) sous la forme d'une bande sans fin (2) destinée à un rouleau d'étiquettes auto-adhésives ;
    - impression éventuelle d'une couche de couleur sur la couche thermoréactive (10) sur le côté avant (4) ;
    - siliconisation éventuelle du côté avant de la bande sans fin (2) ;
    - impression de marques détectables (9), contenant des substances absorbant, bloquant ou recouvrant la lumière UV, sur le côté arrière (5) de la bande sans fin (2) opposé au côté avant (4) dans des zones (8) transversales à sa direction longitudinale ;
    - application d'une couche d'adhérence (6) sur la surface de bande côté arrière (5) de la bande sans fin (2) de telle sorte que les zones (8) transversales à la direction longitudinale de la bande sans fin (2), dans lesquelles sont appliquées les marques détectables (9), restent exemptes d'adhésif ;
    - découpe de la bande sans fin (2) dans la direction longitudinale à sa largeur souhaitée ;
    - enroulement de la bande sans fin (2) en un rouleau d'étiquettes auto-adhésives « sans fin ».
  12. Procédé selon la revendication 11, caractérisé en ce que la couche d'adhérence (6) est appliquée sur la surface de bande côté arrière (5) de la bande sans fin (2) au moyen d'un procédé d'impression, de préférence avec une buse à fente, un rouleau buse à barre et/ou dans un procédé de revêtement de motif.
  13. Procédé de traitement d'un rouleau d'étiquettes auto-adhésives selon l'une des revendications 1 à 10, caractérisé en ce que la distance entre deux marques détectables adjacentes (9) dans la direction longitudinale de la bande sans fin (2; 2') est respectivement une longueur X, et en ce que la longueur des étiquettes actuellement à découper à partir du rouleau d'étiquettes auto-adhésives est sélectionnée en tant que grandeur N·X, N étant un nombre naturel ≥ 1.
  14. Procédé selon la revendication 13, caractérisé en ce que les étiquettes adhésives individuelles (3) sont imprimées sur la surface de bande côté avant (6) de la bande sans fin (2; 2') à l'aide d'une imprimante, en particulier sont également coupées au moyen d'un procédé d'impression thermique directe, et au moyen d'un dispositif de coupe intégré ou connecté à l'imprimante.
  15. Procédé selon la revendication 14, caractérisé en ce que l'imprimante présente un capteur de lumière UV, en particulier sensible aux UV, lequel capteur reçoit un signal lumineux de la lumière réfléchie par la surface de bande côté arrière (5) de la bande sans fin (2; 2'), en ce que le capteur émet, vers une unité de commande, ses signaux de lumière UV reçus, et en ce que l'unité de commande, si elle reçoit un signal UV affaibli en raison du passage actuel d'une marque détectable, commande à l'imprimante et au dispositif de coupe d'imprimer une étiquette adhésive (3) et de la couper dans une zone (8; 8') exempte de la couche d'adhérence, de préférence le long des lignes de déchirure ou de découpe (7; 7').
EP17191808.9A 2017-09-19 2017-09-19 Rouleau d'étiquettes adhésives Active EP3457388B1 (fr)

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Publication number Priority date Publication date Assignee Title
EP3711965B1 (fr) 2019-03-19 2024-01-17 Bizerba SE & Co. KG Imprimante de papier d'étiquetage sans fin
EP3753744B1 (fr) 2019-06-20 2024-08-07 Illinois Tool Works Inc. Étiquettes sans doublure
DE102019008047A1 (de) * 2019-11-20 2021-05-20 Bizerba SE & Co. KG Selbstklebeetikettenrolle

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Publication number Priority date Publication date Assignee Title
US6358353B1 (en) * 1996-07-08 2002-03-19 Lawson Mardon Usa Inc. Label scanning system
DE29801957U1 (de) 1998-02-06 1998-04-09 Bizerba GmbH & Co KG, 72336 Balingen Selbstklebebonrolle für Klebebons
US6585437B1 (en) 1999-09-27 2003-07-01 Intermec Ip Corp. Method and apparatus for reliable printing on linerless label stock
JP6024426B2 (ja) * 2012-12-04 2016-11-16 ブラザー工業株式会社 印刷媒体および印刷装置
EP3021307B1 (fr) 2014-11-14 2019-06-19 Linerless AB Étiquette munie d'évidements

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