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
• • 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
  • G09F3/0291—Labels or tickets undergoing a change under particular conditions, e.g. heat, radiation, passage of time
  • G09F3/0292—Labels or tickets undergoing a change under particular conditions, e.g. heat, radiation, passage of time tamper indicating labels
• • 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
• • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
  • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
  • Y10T428/00—Stock material or miscellaneous articles
  • Y10T428/15—Sheet, web, or layer weakened to permit separation through thickness

Definitions

• the present invention relates to a material web for the production of labels, a label produced therefrom, and a method for the production thereof.
• labels which act as non-transferable tokens, for example motorway vignettes, or which confirm the authenticity of the document or other object on which they are attached.
• labels which serve as proof of passed certificates of the object provided with them (e.g. TÜV badges), as well as for price markings in retail, which must not be able to be stuck from a cheaper to a more expensive item without being noticed.
• the label material has hitherto often been so weak and the adhesive bond to the substrate so strong that the label tears when it is attempted to detach it from the substrate intact.
• a disadvantage of this measure is that the label is then difficult to remove from the substrate; when a residue-free removal is actually desired, for example when a motorway vignette has expired.
• the required mechanically less stable films are usually more expensive than more tear-resistant label material.
• Another known measure to make the undamaged detachment of labels more difficult is to provide lines of weakness in the labels. Weakening lines are also to be understood below and, above all, break lines, ie lines along the course of which a film or film layer is severed through its entire thickness.
• Lines of weakness can be designed as punched or punched sections, cuts, perforations, creases or the like. In the glued-on state, the lines of weakness prevent the complete label from being peeled off, since this tears into individual parts along the lines of weakness or starting from them. It is not possible to reassemble the individual parts or only possible with great effort.
• the lines of weakness can also be interrupted by webs, as a result of which the film surface remains contiguous.
• this usually only works with selected geometries of the label and the arrangement of the weakening lines, and this is because labels are usually punched out from coherent material webs that were provided with weakening lines before the punching process. If the labels are in an unfavorable punching position relative to the lines of weakness, larger areas, for example at the corners of a label, can be separated from the rest of the label by a line of weakness. The problem worsens with decreasing label size and is illustrated again below with reference to FIGS. 1 a to 1 d relating to the prior art.
• the material web 1 00 according to the prior art shown in plan view in FIG. 1 a is coated with pressure-sensitive adhesive, provided with lines of weakness 102 and arranged on a carrier web 103 (concealed in FIG. 1 a) made of release material.
• a carrier web 103 covered in FIG. 1 a
• release material in the closed die-cut lines 1 01 result after removal of the grid 106, the labels 105 shown in FIG. 1 b, which are present on the carrier web 1 03 with pressure-sensitive adhesive.
• Each of the labels can now be applied contiguously to an intended object and, when attempting to detach it again, will tear from the weakening lines 1 02.
• labels 105 are formed which have partial areas 107 separated from the rest of the label by lines of weakness 102. as shown in Fig. 1 d.
• Such 'Label 1 05 can already lose the separate portions upon removal of the carrier web 103 107, if not the lower-side pressure-sensitive adhesive layer, the label (not shown) holds in itself 105th
• the tensile strength or internal cohesion of a pressure-sensitive adhesive layer is relatively low, so that this cohesion is hardly sufficient.
• the unfavorable position of the punching lines 101 defining the labels 1 05 can result, for example, from the fact that labels 105 of different shape and size are punched out or cut out from one and the same material web 100, depending on the requirement.
• Repositionability of the label is often required by the user. This means the possibility of being able to remove and reposition the label stuck onto an object within a certain period of time after application, for example in order to correct an incorrect position or orientation. Only after this period should such a label acquire the property that it can no longer be removed intact. This is generally achieved through the use of adhesives, the full adhesive force of which arises only after a certain time. If, however, as shown in FIG. 1 d, a label has separate sub-areas 107, repositioning without destroying the label 1 05 is not to be considered even shortly after application, since with conventional adhesives the adhesion is more pronounced than that inner cohesion ..
• a continuous top film is also provided, which is attached to the layer provided with weakening lines by means of adhesive.
• the top film holds the label parts together and ensures that the label can be repositioned. Furthermore, there is a smooth and thus high-resolution printable surface.
• the object of the present invention is to create a material web for the production of manipulation-proof labels or a manipulation-proof label which can be produced therefrom, in which the described problems of a label construction according to conventional patterns do not occur.
• the material web allows the cutting out or punching out of labels of any shape without sacrificing security against manipulation. Good repositionability in the above sense is sought.
• this object is achieved by a material web according to claim 1.
• Advantageous embodiments of the material web can be designed according to one of claims 2 to 1 6.
• the object is achieved by a label according to claim 17, which can be produced by punching out or cutting out a material web according to the invention, wherein cutting out can also be understood to mean cutting off a label at the leading end of the material web.
• Advantageous embodiments of the label can be designed according to one of claims 1 8 to 32. Staggered or offset lines of weakness in the different layers of film ensure that even if, after a label has been punched out, part of a layer of film is completely separated from the rest of the same layer of film on the label, the separated part is covered by another layer of film remaining label remains connected.
• a suitable adhesive that only reaches its full adhesive strength after a certain period of time, an initially good repositionability can be achieved without the manipulation protection achieved by the lines of weakness being impaired after this period of time has elapsed.
• lines of weakness can be designed as punched or punched sections, cuts, perforations, creases or the like. They are preferably designed as break lines, i.e. as lines along the course of which the corresponding film layer is severed through its entire thickness.
• Foil layers in the sense of the invention are primarily plastic foils, but also metal and metal composite foils, thin paper or fabric layers and the like.
• a line of weakness with a free end is to be understood to mean that the line of weakness is not closed in itself, ie does not enclose a continuous surface.
• the object is achieved by a method according to claim 33.
• Advantageous embodiments of the method can be designed according to one of claims 34-36.
• 1a-d show material webs with punched-out labels according to the prior art, in each case before and after pulling off the grid, as explained above.
• Fig. 2a shows a perspective view of a label according to the invention with printing, the individual layers for reasons of clarity according to Art an exploded view are shown partially separately from each other, and an imaginary projection plane is shown.
• FIG. 2b shows the label from FIG. 2a but with a coherent representation of the layers of the label.
• FIG. 3a shows a perspective view of a laser-inscribable label according to the invention, the individual layers being shown partially separately from one another for reasons of clarity in the manner of an exploded drawing, and an imaginary projection plane being drawn in.
• FIG. 3b shows the label from FIG. 3a, however, with a coherent representation of the layers of the label.
• FIGS. 2a and 2b The label shown in FIGS. 2a and 2b is produced according to the method according to the invention by punching from a material web according to the invention, and therefore basically shows the same layer structure as the latter.
• a material web according to the invention only the illustrated label layers 3, 1, 3, 4, 5 have continued in the plane of their greatest extent beyond the punched label edge 1, the course of which is shown as a closed dashed line 1 'in the projection plane E. think.
• Both the upper film layer 3 and the lower film layer 13 each have a plurality of weakening lines 2, 1 2, which are punched through the respective film layer 3, 1 3.
• the film layers 3, 1 3 are glued together via the adhesive layer 4.
• such a structure is generated in which the film layers 3 and 13 are each provided with the weakening lines 2, 1 2 by punching and then glued together.
• the label On its underside, the label has a pressure-sensitive adhesive layer 5, with which it is used on a sheet of release material together with similar labels, which are punched out of the same material web, prior to its intended use (not shown) is arranged.
• the label In use, the label is simply stuck on to an intended object (not shown), for example a document, a car window or a license plate, with the aid of the pressure-sensitive adhesive layer 5. From this it can no longer be removed without destruction, since corresponding attempts fail because at least some of the weakening lines 2, 1 2 continue to tear due to the stresses prevailing in the film layers 3, 1 3 during the pull-off attempt. Since both film layers 3, 13 are segmented, it makes no difference in a manipulation attempt whether one is attacking the upper or lower film layer 3, 1 3. The security against manipulation is increased if the adhesive force of the pressure-sensitive adhesive layer 5 on the substrate, ie the surface of the intended object, is greater than the adhesive force of the adhesive layer 4 holding the film layers 3, 13 together.
• the pressure-sensitive adhesive layer 5 consists of a pressure-sensitive adhesive which allows repositionability in the above sense, it is of course still possible to remove it non-destructively for a short time after the adhesive has been applied.
• the adhesive layers 4 and 5 can each consist of wet glue, multi-component adhesive and other adhesive substances instead of the pressure-sensitive adhesive that is preferably used.
• the contact area when the film layers 3, 1 3 are welded to one another is also understood according to the invention as an adhesive layer 4.
• the smaller angle a enclosed at the intersection 8 between the projected profiles 2 ', 1 2' measures more than 30 °, better than 60 °, ideally close to 90 °.
• the weakening lines 2, 12 if they are not closed in themselves, but instead have free ends 10 (reference number 10 'in the projection), from which the corresponding film layer 3, 13 tears in the event of a manipulation attempt.
• the arrangement of the weakening lines 2, 12 is also possible in other patterns, for example serpentine lines, circular sectors, herringbone etc.
• the upper film layer 3 is provided with a label 6. This can be produced using any common reproduction, printing or marking technique.
• the label can also have additional security features which make it largely forgery-proof. For example, prints in fluorescent colors or the like are conceivable.
• the upper film layer 3 can consist of a hologram film, or the lower film layer 13 consists of a hologram film, which expediently requires at least partial transparency of the upper film layer 3 and the adhesive layer 4.
• each of the film layers 3, 1 3 can be made transparent, partially transparent or opaque as required.
• the label shown in FIGS. 3a and 3b differs from the label shown in FIGS. 2a and 2b only in the design of the upper film layer 3.
• the adhesive layer 4, the lower film layer 1 3 and the pressure-sensitive adhesive layer 5 are as in FIG. 2a , 2b, which is why the same reference numerals are used.
• the arrangement of the weakening lines 2, 1 is also as in FIGS. 2a, 2b, which can also be seen from the projection lines 2 ', 1 2' in the projection plane E.
• the upper film layer 3 consists predominantly of transparent plastic, which is provided on the underside with a metallization 9. This is usually silver-white or black and is created by sputtering or vapor deposition in a vacuum.
• the metallization can be done by means of a laser beam. 9 are ablated locally, so that the contours of characters or graphic symbols result, which can be seen through the transparent plastic of the upper film layer 3.
• Either the adhesive layer 4 or the lower film layer 13 is preferably colored in a contrasting color which contrasts well with the color of the metallization.
• the lower film layer 13 can also be provided with a laser-ablatable metallization on the top or bottom.
• the plastic portion of the film layer 13 (like the upper film layer 3) must of course be transparent to the laser, in the former case it can be colored through and serve as a contrasting layer to the non-ablated rest of the metallization.
• a label can also be created using other common methods, for example by laser direct marking or another layer-addressing method.
• laser inscription can also be achieved in that the upper film layer 3 is made transparent and not metallized, and the inscription is produced by locally burning off the colored adhesive layer 4.

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• Physics & Mathematics (AREA)
• General Physics & Mathematics (AREA)
• Engineering & Computer Science (AREA)
• Theoretical Computer Science (AREA)
• Making Paper Articles (AREA)
• Adhesive Tapes (AREA)
• Laminated Bodies (AREA)

Applications Claiming Priority (2)

Publications (1)

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ID=34305661

Family Applications (1)

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Family Cites Families (8)

• 2003
  • 2003-09-10 DE DE10341807A patent/DE10341807B4/de not_active Expired - Fee Related
• 2004
  • 2004-09-03 EP EP04764807A patent/EP1665201A2/de not_active Withdrawn
  • 2004-09-03 US US10/571,356 patent/US20070026184A1/en not_active Abandoned
  • 2004-09-03 KR KR1020067004728A patent/KR20060087546A/ko not_active Application Discontinuation
  • 2004-09-03 WO PCT/EP2004/009855 patent/WO2005027078A2/de active Application Filing
  • 2004-09-03 JP JP2006525722A patent/JP2007505344A/ja active Pending
  • 2004-09-03 CN CNA2004800260249A patent/CN1849637A/zh active Pending

Non-Patent Citations (1)

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