WO2017021225A1 - Étiquette à colle humide pour contenants, outil d'estampage destiné à une étiquette à colle humide pour contenants et contenant ou bouteille comportant une telle étiquette à colle humide - Google Patents

Étiquette à colle humide pour contenants, outil d'estampage destiné à une étiquette à colle humide pour contenants et contenant ou bouteille comportant une telle étiquette à colle humide Download PDF

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Publication number
WO2017021225A1
WO2017021225A1 PCT/EP2016/067809 EP2016067809W WO2017021225A1 WO 2017021225 A1 WO2017021225 A1 WO 2017021225A1 EP 2016067809 W EP2016067809 W EP 2016067809W WO 2017021225 A1 WO2017021225 A1 WO 2017021225A1
Authority
WO
WIPO (PCT)
Prior art keywords
contour
embossing
wet
container
wet glue
Prior art date
Application number
PCT/EP2016/067809
Other languages
German (de)
English (en)
Inventor
Michael SCHLACHETKA-PROBST
Konrad Fricke
Original Assignee
Haendler & Natermann 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.)
Filing date
Publication date
Application filed by Haendler & Natermann Gmbh filed Critical Haendler & Natermann Gmbh
Priority to EP16742323.5A priority Critical patent/EP3331692B1/fr
Priority to ES16742323T priority patent/ES2834491T3/es
Publication of WO2017021225A1 publication Critical patent/WO2017021225A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31D—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER, NOT PROVIDED FOR IN SUBCLASSES B31B OR B31C
    • B31D1/00—Multiple-step processes for making flat articles ; Making flat articles
    • B31D1/02—Multiple-step processes for making flat articles ; Making flat articles the articles being labels or tags
    • B31D1/027—Multiple-step processes for making flat articles ; Making flat articles the articles being labels or tags involving, marking, printing or coding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F1/00—Mechanical deformation without removing material, e.g. in combination with laminating
    • B31F1/07—Embossing, i.e. producing impressions formed by locally deep-drawing, e.g. using rolls provided with complementary profiles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F2201/00—Mechanical deformation of paper or cardboard without removing material
    • B31F2201/07—Embossing
    • B31F2201/0702—Embossing by tools working discontinuously
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F2201/00—Mechanical deformation of paper or cardboard without removing material
    • B31F2201/07—Embossing
    • B31F2201/0707—Embossing by tools working continuously
    • B31F2201/0715—The tools being rollers
    • B31F2201/0723—Characteristics of the rollers
    • B31F2201/0738—Cross sectional profile of the embossments

Definitions

  • the invention relates to a container wet glue with a relief-like embossing, which is intended in particular as a bottle wet glue for bottles such as beer bottles, wine bottles, bottles for spirits or non-alcoholic drinks or containers such as beverage cans or spray cans or cups. Furthermore, the invention relates to a container or a bottle with such a container wet glue label. Finally, the invention also relates to a wet glue label embossing tool, in particular a die and / or male, by means of which container wet glue labels with a kind of relief can be produced.
  • a container wet glue is known in which egg n Su bstrat is provided on the back with wet glue and which is then glued with the wet glue on a bottle.
  • the substrate is embossed prior to the application of the wet-glue, so that the visual appearance and tactile action of the container wet-glue-on-label in addition to the material choice of the substrate and the Printing can be influenced by a kind of relief.
  • the application of the wet glue may take place via the contact of the substrate with a contact partner coated with the wet glue, for example a roller or a so-called glue or adhesive pallet, wherein the contact partner has a depression in the area of contact with the embossments, so that here no Contact and thus no application of the wet glue takes place.
  • a contact partner coated with the wet glue for example a roller or a so-called glue or adhesive pallet
  • the contact partner has a depression in the area of contact with the embossments, so that here no Contact and thus no application of the wet glue takes place.
  • the back side of the substrate is provided with a water-impermeable layer before application of the wet glue. Even with full application of the wet glue to the substrate, the water-impermeable layer prevents the wet glue from coming into contact with the imprints of the substrate.
  • Such a water-impermeable layer may for example consist of a paint with or without a wax component.
  • a substrate made of paper, cellulose fibers and / or a substrate with a water-permeable film material is proposed.
  • a layer with a low water-vapor transmission rate (WVTR) in particular with a WVTR ⁇ 10 g / m 2 / day or WVTR ⁇ 5 g / m 2 / day.
  • WVTR water-vapor transmission rate
  • the wet glue may be applied to the substrate at 15-20 g / m 2 , which may include about 50% water ( ⁇ 10%).
  • wet glue Possible components of the wet glue are plant glue, resin cement, animal glue, protein glue, latex cement, starch glue, dextrin glue, casein glue, EVA, PVA, non-casein-based polymeric glues such as synthetic glues or adhesives including those with acrylates as a binder.
  • the front side of the substrate (completely or only in some areas) is provided with a water-impermeable layer, which is considered to be advantageous in terms of maintaining the embossing, especially in stacking, stocking and further processing of the container wet glue labels.
  • the water-impermeable layer on the front side may also be formed with water-impermeable ink.
  • starches may be between 50 g / m 2 and 300 g / m 2 , preferably between 60 g / m 2 and 120 g / m 2 or between 60 g / m 2 and 90 g / m 2 , be used.
  • DE 10 2008 023 653 A1 relates to a label adhesively bonded to a container such as a bottle.
  • the label is designed to be two-sided with an external, too printing layer, which consists in particular of paper or cardboard, and an inner layer, which is preferably a stamping foil.
  • the label is embossed three-dimensionally between a die and a patrix.
  • DE 10 2008 023 653 A1 describes the problem that the quality of the embossed three-dimensional relief suffers as a result of the wet-out of a pure paper label.
  • the inner layer which is insoluble relative to the adhesive, should avoid moisture penetration of the outer layer of paper. Letters, words, graphic patterns or pictures can be embossed.
  • the additional inner layer may also be an embossing foil, which is initially arranged on a carrier foil.
  • a separating layer (wax), a decorative varnish (resin), a metallization (aluminum) and an adhesive layer (hot-melt adhesive) may be arranged on the carrier film.
  • the embossing film is used (as opposed to conventional embossing labels) as a counter embossing on the inside of the label.
  • DE 20 2004 002 207 U1 relates to a wet glue label for a container, such as a reusable bottle, which has a stretched plastic film which shrinks back to release the label from the bottle under the action of heat.
  • DE 20 2004 002 207 U1 proposes that the glue side of the label is made larger in area.
  • a mechanical or chemical roughening, a surface enlarging embossing or fine embossing can be used, with an embossing depth of ⁇ 20 ⁇ is preferred, which may be approximated to the thickness of the plastic film.
  • embossed recesses should be filled with glue, so that the psychverierernde structuring should not be visually visible. It is also possible to impress a rib or groove pattern with widths of the ribs of ⁇ 1 mm or ⁇ 2 mm in order to improve the penetration of the washing liquid.
  • the top of the label should be substantially smooth or wavy.
  • the top of the label may have a decorative imprint, a liner or other shrink film layers. It is also possible that the glue side of the label is provided with a rough and matt lacquer layer.
  • the label may be perforated permeable to air and vapor. It is also possible that the label is provided on the glue side with a moisture absorbing the glue layer. This may be an open-pore foamed plastic layer or an absorbent, swelling layer. Use finds a stretched plastic film with a thickness in the range of 50 to 80 ⁇ , while the wet glue is applied with a thickness of 20 to 50 ⁇ .
  • the material used for the thermally shrinking plastic film is PET, PS, PVC or PP.
  • the invention is based on the recognition that after production of a substrate of a label with a desired embossed area and after subsequent application of the wet glue to the substrate,
  • the optical and tactile effect of the embossed area is no longer desired. For example, part or even most of an embossing depth brought about during the embossing process is removed again at the end of the application process.
  • an embossing depth brought about during the embossing process is removed again at the end of the application process.
  • One suspected cause of this is that, when the substrate is formed with cellulose fibers, the fibers absorb the moisture of the wet glue upon exposure of the substrate to the wet glue, which can result in expansion of the fibers and thus of the substrate.
  • the container wet-glue label is applied to the bottle in this wet expanded state, subsequent drying results in contraction of the fibers and thus of the substrate.
  • the initial contour region describes the contour region of the substrate, which neither changes its shape nor is displaced during the embossing process and which has no embossing depth.
  • the embossing contour area describes the area in which, during embossing, a plastic deformation of the substrate takes place, in which the embossing depth changes and in which the substrate is inclined as a result of the embossing, wherein the inclination of the substrate can also change in the embossing contour area.
  • the displaced contour region denotes a contour region which itself does not change its shape during embossing, but which is displaced with the embossing depth, which is generated by the adjacent embossing contour region, with respect to the starting contour region.
  • the invention proposes that a wet glue label embossing tool for a container wet glue glue having a substrate having a stamping contour region.
  • the embossing contour Area is inclined here with respect to the main extension plane.
  • the stamping contour region has a stamping contour subregion. This stamping contour subarea has a contour angle of at least 45 ° with respect to the main extension plane of the wet glue stamp embossing tool.
  • the embossing and embossing depth remaining after the drying of the container wet glue is dependent on the difference between the extension of the contour of the substrate during embossing and the contraction of the substrate during the subsequent application and drying process.
  • the optical and tactile effect of the container wet glue glue can be improved at the end of the application process.
  • an arbitrary contour angle can be used, provided that this is at least 45 ° in relation to the main extension plane.
  • further investigations of the invention have led to the result that u.
  • the largest possible contour angle is desired for the reasons explained above for the largest possible extension of the embossing contour area during embossing.
  • contour angle u increases with the increase in the contour angle u.
  • U also the tendency of the substrate to tear or break during the embossing process or during subsequent processing, so that rather a small contour angle would have to be sought to avoid cracking or breaking.
  • the choice of contour angle also affects a stack density of several container wet glue labels in a stack: for a theoretical contour angle of 90 °, the container wet glue labels can no longer be stacked directly on top of one another from the front of the container wet glue label Embossing projection occurs in a corresponding embossing depression of the in the
  • the described conflict of objectives can be taken into account particularly well when the contour angle is in the range of 45 ° to 55 °, in particular in the range of 48 ° to 52 °.
  • the above-described measures were primarily focused on the extent of the shape change and extension of the embossing contour area during embossing of the container wet glue with the wet glue label embossing tool in order to keep the remaining embossing depth as large as possible. Further investigations have led to the conclusion that it is particularly advantageous if a transition from the initial contour region to the embossing contour region occurs via a bend.
  • such a kink remains at the said transition at the end of the machining process and is visually and tactually easy to grasp, even if u. U. an embossing depth is reduced during drying as a result of the contraction.
  • such a kink at the transition is also advantageous for obtaining the largest possible embossing depth after drying of the container wet glue on the bottle.
  • the embossing contour portion whose contour angle is at least 45 ° and in particular in the range of 45 ° to 55 ° or in the range of 48 ° to 52 °, to lie any point of the embossing contour area.
  • this stamping contour partial area directly adjoins the bend with the previously specified contour angle.
  • the embossing contour area also transits with a bend to a displaced contour area.
  • the embossing contour region passes without kinking into a displaced contour region, which has proven particularly advantageous with regard to the optical and tactile effect of the container wet glue label.
  • the displaced contour region has an embossing depth in the range of 0.200 mm to 0.260 mm from the unembossed starting contour region.
  • the stamping contour area in the main plane of extent it is possible for the stamping contour area in the main plane of extent to have an extension which is in the range of 0.300 mm and 0.400 mm.
  • the stamping contour area begins with a bend and an adjoining contour angle in the range of 48 ° to 52 °.
  • the embossing contour area has a distance from the kink in the main plane of extension of 0, 1998 mm ⁇ 10% an embossing depth of 0.204 mm ⁇ 10%, an embossing depth of 0.228 mm at a corresponding distance of 0.277 mm ⁇ 10% ⁇ 10% and a corresponding distance of 0,338 mm ⁇ 10% an embossing depth of 0,230 mm ⁇ 10%.
  • the displaced contour region has an embossing depth in the range of 0.120 mm to 0.160 mm from the unembossed starting contour region.
  • the embossing contour region in the main extension plane may have an extension which lies in the range of 0.115 mm and 0.210 mm.
  • the embossing contour region begins with a bend and an adjoining contour angle in the range from 48 ° to 52 °, while the embossing contour region at a distance from the bend in the main plane of extension of 0.096 mm ⁇ 10% has an embossing depth of 0.096 mm ⁇ 10 % has an embossing depth of 0.140 mm ⁇ 10% at a corresponding distance of 0.197 mm ⁇ 10%.
  • the displaced contour region has an embossing depth in the range of 0.190 mm to 0.230 mm from the unembossed starting contour region.
  • the embossing contour region in the main extension plane may have an extension which is in the range of 0.250 mm and 0.280 mm.
  • the embossing contour region begins with a bend and a subsequent contour angle in the range of 48 ° to 52 °, while the embossing contour region at a distance from the bend in the main extension plane of 0.134 mm ⁇ 10% has an embossing depth of 0.141 mm ⁇ 10 % and at a corresponding distance of 0.262 mm ⁇ 10% has an embossing depth of 0.210 mm ⁇ 10%.
  • a displaced contour region is arranged between two stamping contour regions oriented in different directions, with which in particular boundaries of an embossed region are formed.
  • the line width is formed with the displaced contour area.
  • the line width is constant, so that the two oriented in different directions embossing contour areas have a constant distance with a displaced contour area between them, whose length does not change in the extension direction of the stroke.
  • the lateral boundary of the line is further formed with the two oriented in different directions embossing contour areas, without changing their contouring. It then changes along the line for changing the line thickness the length of the displaced contour area.
  • different stamping contour areas are provided for lines or numbers with different line thicknesses and / or sizes, the stamping contour areas for lines and / or numerals having different line thicknesses and / or sizes then being formed by different extensions of the stamping contour areas in the main area.
  • the extension level differs in the extension level. This can be the case for the same or different contour angles, wherein preferably the contour angle is in the range of 48 ° to 52 °. It is then possible for the different stamping contour areas to differ depending on the line thickness and / or size also due to the different stamping depths in the stamping contour areas. Preferably, for larger line widths and / or larger numbers, larger extensions of the embossing contour areas in the main extension plane are used than for smaller line widths or smaller numbers.
  • the wet glue label embossing tool for the container wet glue label may be formed as previously discussed, a plurality of embossed regions are juxtaposed in the manner of a waffle pattern. This can thus be the "density" of the embossing contours and the deformations are increased and thus the extension of the container wet glue as a result of embossing, based on the area increased.
  • the wording includes that several embossed regions are arranged next to one another in the manner of a waffle pattern, both the arrangement of several embossing regions next to one another along a straight line or curve and also adjacent to one another in one surface, ie with the embossing regions arranged side by side in two directions
  • a "juxtaposition” includes a spacing of adjacent coining regions of less than 0.50 mm, less than 0.30 mm or even less than 0.20 mm.
  • the embossing can be done in the manner of a waffle pattern with any desired embossing geometries, which may have the same or different embossing depths and may have the same or different embossing contours.
  • the plurality of areas which are arranged side by side in the manner of a waffle pattern, parallelepiped, pyramidal, truncated pyramidal, conical, truncated conical, cylindrical, corresponding to a skewed cylinder, spherical segment-like, shaped like a ball and / or according to a prismatoid , It is entirely possible that a desired optical and / or tactile effect in the region of the embossing contour is caused exclusively as a result of the embossing contour.
  • the embossing contour is arranged in an edge region of an optical field of view of the container wet glue label.
  • a surface area of the container wet glue label is referred to here, which visually stands out from the surrounding area.
  • the lifting can be brought about, for example, by the choice of different colors, brightness, surface textures, materials and / or different gloss levels. Due to the inventive coincidence of the deformations of the container wet glue label by the embossing contour regions with an edge region of the optical field of view, a particularly strong and u. U. also plastic optical and / or tactile effect can be brought about and / or the optical field of view be further highlighted visually and / or tactile.
  • an embossing contour region is arranged in an edge region of an optical field of view, in particular a colored surface of the container wet glue, whereby the optical field of vision is then largely arranged in the region of the displaced contour region.
  • the invention also proposes that (in particular in an edge region of an optical field of view) immediately adjacent to each other two oriented in different directions embossing contour areas (as a the Embossing depth increasing embossing contour area and the embossing depth again reducing or even to the tread depth of zero attributable stamping contour area) are arranged.
  • embossing contour areas as a the Embossing depth increasing embossing contour area and the embossing depth again reducing or even to the tread depth of zero attributable stamping contour area
  • the substrate protrudes outward only in the edge region between the two stamping contour regions oriented in different directions, while the actual optical field of vision can almost completely abut the container and can be glued to it.
  • embossing in the edge region with embossing contour regions oriented in different directions results in that, compared with the use of only one embossing contour region, greater deformation can be brought about with a larger extension of the container wet glue label during embossing, which may also be advantageous during the application process with regard to the desired optical and / or tactile effect and / or the durability of the embossing result.
  • the invention relates to a container wet glue label comprising a substrate.
  • the container wet-glue label is provided with an embossed area which has been created with a wet-glue-label embossing tool of the kind previously discussed.
  • embossing contour can result, which is, in accordance with the piercing contour of the wet-glue-embossing tool.
  • the substrate has a pitch contact, which deviates from the embossing contour of the wet glue glue embossing tool.
  • a reduced contour angle can result.
  • An embossing depth of the container wet glue-on label can also be reduced compared with the embossing depth of the wet-glue-label embossing tool.
  • a kink of the embossing contour of the wet glue-embossing tool is greater than ei n brought about on the substrate kink and / or radii of the embossing contour of the wet glue label embossing tool smaller si nd than the resulting at the Su bstrat radius.
  • the displaced contour region partially invades or the embossing contour is "pulled apart”.
  • the substrate structurally strengthened to bring about a stable as possible stamping result.
  • the substrate is a laminate having a paper layer and an aluminum layer (which may be the only layers or other layers may be present).
  • the aluminum layer which may be an aluminum foil, acts as a kind of "stabilizer” which does not react to the changing moisture during the application process.
  • an embossing contour once produced in the aluminum layer is also more resistant than a stamping contour produced only in paper due to the "stabilizer" formed by the aluminum alloy.
  • the aluminum layer can be produced in any desired manner and have an arbitrary layer thickness.
  • the aluminum layer is preferably an aluminum layer with a layer thickness of 5 to 9 ⁇ m. While any alloy can be used for the aluminum of the aluminum layer, it has been found that preferably an aluminum layer of an alloy 801 1, 8079 or 8021 can be used.
  • a substrate is used in the container wet glue label which is formed with paper and an aluminum layer deposited on the paper.
  • a very thin aluminum layer preferably with a layer thickness of less than 1 ⁇ m, can be produced.
  • the substrate basically any material, any material mixture or can be used arbitrarily prepared and processed layers and layers of any materials or compositions use.
  • the substrate is formed with satin or coated paper.
  • the substrate has a layer of a thermoplastic material.
  • the material may in any case be heated, with which it is thermoformed. Alternatively or cumulatively, it is possible that heating of the material during the embossing process by an external heat source, ultrasound u. ⁇ . takes place. After cooling, the thermoplastic material then contributes to the stabilization and to the preservation of the relief-like embossing.
  • a water-repellent coating is used.
  • a coating is used.
  • thermoplastic material the water-repellent coating and / or the coating is arranged over the entire surface or part of the area on the back of the substrate, which u.
  • the invention proposes a container or bottle onto which a container wet glue label of the previously explained embodiment is adhered with a wet glue.
  • dan n a stamping contour region with a stamping contour portion is present, which has a contour angle with respect to the main plane of extension in the range of 9 ° to 22 °, and / or
  • embossing depth in the range of 0.060 mm to 0.1 15 mm and / or
  • FIG. 1 and 2 show schematically a first embossing contour of a container wet glue after the embossing process and before application of the wet glue (Fig. 1) and after the
  • FIG. 3 and 4 schematically show a second embossing contour of a container wet glue after the embossing process and before application of the wet glue (Fig. 3) and after drying of the container wet glue on a container (Fig. 4).
  • Fig. 5 shows the visual appearance of a stamping contour of FIG. 3 when used for a stroke of a lettering with a changing line thickness.
  • Figures 6 and 7 show schematically a third embossing contour of a container wet glue after the embossing process and before application of the wet glue ( Figure 6) and after drying of the container wet glue on a container ( Figure 7).
  • Fig. 8 shows the visual appearance of a stamping contour of FIG. 6 when used for a stroke of a lettering with a changing line thickness.
  • Fig. 9 to 11 show enlarged possible embodiments of stamping contour areas of a
  • FIG. 12 schematically shows a plan view of an embossing contour of a wet-glue-line embossing tool for a container wet-glue label in the region of an optical field of view with two immediately adjacent embossing contour areas in an edge region of the optical field of view.
  • FIG. 13 shows schematically a partial section XIII-XIII through the wet-glue-embossing tool according to FIG. 12 with the embossing profile areas formed here.
  • Fig. 2 shows schematically a cross-section through a substrate of a two-layered container wet-end label.
  • Figure 3 shows schematically wet-glue marking dies in the form of a die as well as a male with a substrate of a wet-end glue set therebetween.
  • FIG. 16 shows in a partial spatial representation a measured embossing contour of a
  • Container wet glue labels wherein the embossing contour is produced by means of a wet glue label embossing tool with a stamping contour region according to FIG. 9 and an enlarged scale has been selected for the representation in the stamping direction.
  • FIGS. 17 to 18 show stamping contour regions of the measured stamping contour of a container wet glue label according to FIG. 16 in a two-dimensional representation.
  • FIGS. 19 to 22 show stamping contours measured in two-dimensional representation
  • Container wet glue wherein the embossing contours are made with a wet glue marking tool with a stamping contour region shown in FIG. 1 1.
  • FIGS. 1 to 8 show a container wet glue label 1 with a substrate 2.
  • the substrate 2 is embossed or deformed into a stamping contour 3.
  • the embossing contour 3 has an initial contour area 4, whose shape and orientation during embossing in Essentially unchanged and has no embossing depth.
  • the initial contour region 4 merges at a transition 9 into a stamping contour region 5.
  • the plastic deformation of the substrate 2 takes place primarily in the stamping contour region 5, in which the material regions of the substrate 2 are displaced and deformed during the stamping process and change their orientation.
  • the embossing depth 6 continuously increases until it is at a maximum in the region of a transition 8 to a displaced contour region 7.
  • the substrate 2 is displaced therefrom without plastic deformation and the inclination and deflection change relative to the starting contour region 4 by the maximum embossing depth 6 of the embossing contour region 5, which is reached in the region of the transition 8.
  • a plastic deformation takes place with an elongation of the material of the substrate 2 exclusively in the stamping contour region 5.
  • the deformation in the stamping contour region 5 also leads to an elongation of the material of the substrate 2 in a region of the starting contour region 4 immediately adjacent to the stamping contour region 5 and / or the displaced contour region 7.
  • a rear side 10 of the substrate 2 is treated with a wet glue and faces the bottle when the container wet glue label is applied.
  • a front side 1 1 of the substrate 2 forms a visible surface of the container wet glue label 1 in the state applied to the bottle.
  • the substrate 2 is shown simplified, with quite a few layers or coatings (in partial areas or over the entire surface) may be present.
  • different stamping contours 3a, 3b of a substrate are identified by additional letters a, b.
  • the embossing contour region 5 is formed exclusively with a rectilinear embossing contour subregion 12.
  • the embossing contour subregion 12 is inclined with a contour angle 14 of approximately 30 °.
  • the transitions 8, 9 are formed here with kinks. Under certain circumstances, this embodiment in the region of the transitions 8, 9 leads to mechanical impairments of the substrate 2, in the worst case to edge breakage.
  • Fig. 2 shows the result after the application of the wet glue, the application of the container wet glue 1 on the bottle and drying. It can be seen here that the relative moderately wide surfaces in the displaced contour region 7 and in the embossing contour region 5 "fall", whereby in particular the embossing depth 6 decreases with increasing distance from the transition 8, reduces the contour angle 14 and bend the previously rectilinear displaced contour regions 7 and embossing contour regions 5 (see FIG 2). For the embodiment shown in FIGS. 3 to 5, the stamping contour region 5 is not rectilinear.
  • the transition 9 transits with a bend into a rectilinear stamping contour subregion 12, for which the contour angle 14 is greater than for the exemplary embodiment according to FIG. 1. Following this, the contour angle 14 is reduced continuously, so that no kink is present in the region of the transition 8 to a displaced contour region 7.
  • the contour formed by the embossing contours 3a, 3b between the transitions 9 of the adjacent embossing contours 3a, 3b has a curved course with a constant change in the inclination angle 14, wherein the inclination angle of the contour angle in the region of the transition 9 of a stamping contour 3a continuously increases or drops down to the transition 9 of the other embossing contour 3b.
  • FIG. 5 shows a container wet glue label 1 in a top view in a region of a line of a lettering, wherein the line is embossed with the stamping contours 3a, 3b according to FIG.
  • the distance of the transitions 9 of the embossing contours 3a, 3b varies for a changing line thickness.
  • both transitions 8, 9 are marked "soft" or rounded, so that no kinks are present here , Rather, a rounding 15 with a small radius is provided in the region of the transition 9, to which then the embossing contour portion 12 connects with the large contour angle 14, while then again a gradual reduction of the contour angle 14 takes place, this reduction is at least five or ten times greater radius or a corresponding change in curvature than in the region of the rounding 15.
  • the stamping contour area 5 is thus curved S-shaped back and forth, wherein the transition 9 adjacent part of the S is formed with a small radius of the rounding 15, while the other part of the S has a much larger diameter.
  • the embossing contour 3 according to FIG. 7 has a good embossing result with the desired optical and / or tactile effect.
  • there is no incidence of a "roof" of the embossing as was the case in FIGS. 2 and 4.
  • the transition 9 formed by a kink Preferably, however (with otherwise appropriate design) of the transition 9 formed by a kink.
  • FIG. 8 shows a plan view of a container wet glue label 1 or a substrate 2 with embossing contours 3 a, 3 b corresponding to FIG. 6.
  • FIGS. 9 to 11 different embossing contours 3a of a wet-glue-embossing tool 32 are shown. Even if the embossing depths, the contour angles, embossing contour areas and displaced contour regions of the container wet glue labels 1 produced with the wet glue label embossing tool 32 can deviate from those of the wet glue glue embossing tool 32 which was used for their embossing process, the same reference numerals and Terms have been used.
  • the embossing contour 3a can be formed on a die 33 forming the wet-glue-code embossing tool 32 (in FIGS.
  • the embossing depth 6 is shown as a function of a coordinate 16 in the direction of the main extension plane 13.
  • the transition 9 from the starting contour region 4 to the embossing contour region 5a takes place with a kink.
  • the embossing contour portion 12 has adjacent to the transition 9 ü over a contour angle 14, which is preferably in the range of 48 ° to 52 °.
  • the profile depth 6 is 0.204 mm, while at a distance 18 of 0.277 mm Profile depth 6 is 0.228 mm and the transition 8 is arranged at a distance 19 of 0.338 mm with a profile depth 6 of 0.230 mm.
  • a kink is present in the region of the transition 9, in the region of which the embossing contour partial region 12 has a contour angle 14 of 48 ° to 52 °.
  • the tread depth 6 is 0.096 mm, while at a distance 21 from the transition 9 of 0.197 mm, the tread depth 6 is 0.140 mm.
  • a kink is likewise present in the region of the transition 9.
  • the embossing contour portion 12 connects with a contour angle 14 in the range of 48 ° to 52 °.
  • the tread depth 6 0, 141 mm
  • the transition 8 is arranged at a distance 23 of 0.262 mm with a tread depth 6 of 0.210 mm.
  • a rounding 15 can also be present at the transitions 9.
  • FIG. 12 shows, by way of example, a wet glue label embossing tool 32 for a container wet glue label 1 with an optically visible and tactile detectable coat of arms 24. This is formed with an optical field of view 25, which visually and tactually stands out against a surrounding area 26.
  • Fig. 13 shows a partial section Xl l l-Xl ll by wet glue imprinting tool 32 shown in FIG. 12 in the field of optical field of view 25.
  • the optical field of view 25 is limited by an inner edge region 27a and an outer edge region 27b, between these edge regions 27a , 27b, for example, a coloration of the container wet glue 1, which differs from the areas away from the edge regions 27a, 27b and outside the optical field of view 25. It is possible in this case that only one stamping contour 3a, 3b is arranged in the edge regions 27a, 27b.
  • a contour formed in this way can then also be used for the application of additional material 28 into the optical field of view 25, for example of a color, in which case the area of application of the material 28 is limited by the edge regions 27a, 27b. If, due to tolerances, a certain offset is to be accepted for automated application of the material 28, tolerances of the inaccuracies can be tolerated by the edge regions 27a, 27b formed with the embossing contours 3a to 3d without substantially impairing the visual appearance and / or the tactile effect ,
  • an aluminum layer in the substrate 2 in contrast to another metallic layer or other layers. If a bottle neck foil is also formed with an aluminum foil, the result is a reduced material diversity, which is advantageous both for the production process and for the treatment of bottle neck foils and container wet glue labels removed during a washing process.
  • the labels are first produced by gravure printing, for which purpose a die 33 and male part 34 or even a stamping roll with appealing contouring can be used. This is followed by the cutting of the container wet glue labels 1.
  • the container wet glue labels 1 are then tied into a stack, which can then be fed to a labeling machine. The removal of the container wet glue labels 1 from the stack can then take place via a glue or adhesive pallet which is brought into contact with the back of the container wet glue label 1. With the adherence of the container wet glue label 1, this can then be removed from the stack. It is possible that a surface of the substrate 2 or container wet glue 1 is additionally provided with a material processing, in particular an embossing, with a brush design, dot design or linen design.
  • a moistening of the container wet glue labels 1 can also take place during the filling process of the containers or bottles, which u. U. takes place at a high humidity. It is possible in the context of the invention that the front of the container wet glue 1 is coated with a water-impermeable layer, in particular a paint, so that from the outside moisture can not enter the container wet-glue label 1 when the container wet-glue label 1 is adhered to the container or bottle.
  • a water-impermeable layer in particular a paint
  • paper is preferably used having a thickness of 68 g / m 2 or even greater thicknesses, in particular 93 g / m 2 , deviations, in particular of ⁇ 10%, of the abovementioned starches being possible.
  • a substrate formed in this way is used, which has a mass of 67 or 68 g / m 2 (although deviations of ⁇ 10% are possible).
  • the substrate it is also possible for the substrate to have a thickness of 65 ⁇ m, wherein for the case of the egg-batch, a layer of an aluminum foil of the thickness of the aluminum can be 6 ⁇ m.
  • the water-impermeable layer can be used for repelling condensation moisture on still cold bottles during the drying phase.
  • the aluminum foil is inserted on the outside of the substrate. If, however, the optical appearance of a container wet glue-on label made of paper is desired, it is also possible to use a laminate in which the aluminum foil is arranged on the inside or is arranged as an inner layer between other outer layers.
  • FIG. 14 shows, in a highly schematized and not to scale, a substrate 2, which is formed with a paper layer 29 and an aluminum layer 30.
  • the aluminum layer 30 may be vapor-deposited or formed with a laminated aluminum foil.
  • the laminate 31 has a laminate 31, with which the substrate 2 is formed, a thickness of 68 ⁇ , wherein the layer thickness of the aluminum layer 30 is between 5 and 9 ⁇ .
  • the embossing gap 35 may have a constant or also a changing gap height, wherein preferably the embossing gap 35 corresponds to or is smaller than the thickness of the substrate 2.
  • the line width of the embossed lettering does not have to be constant, but can also vary.
  • the embossing contour areas for forming the lateral boundaries of the line are formed independently of the respective line width of the line, while the extension of the displaced contour area changes depending on the width of the line. It can be seen in FIG. 8 that for very low line width of the line in the end area it is even possible that no displaced contour area 7 remains, wherein it is even possible for the embossing contour areas to be shortened, so that they do not lie horizontally and without kinking into one another open, but rather the transition takes place before the distance 19 of FIG. 9 and thus a kind of "gable" is formed.
  • embossing contour areas according to FIG. 10 are preferably used for lines or numbers or lettering with a smaller size or smaller line width.
  • embossing contour regions according to FIG. 11 are preferably used for the delimitation of the optical fields of view 25, in particular with two stamping contour regions arranged directly next to one another and oriented in opposite directions.
  • wet and alkali-resistant label papers are used for the container wet glue label 1 or the substrate 2, as are known per se for containers, in particular bottles such as beer bottles.
  • the container wet glue labels 1 or the substrate 2 is a metallized wet and alkali-resistant label paper, which may have a weight of 68 g / m 2 or 70 g / m 2 or alternatively of 93 g / m 2 .
  • a metallized wet and alkali-resistant label paper which may have a weight of 68 g / m 2 or 70 g / m 2 or alternatively of 93 g / m 2 .
  • a water-repellent paint which should serve in particular the protection against condensation.
  • a lacquer can be used for the back, which may be water repellent, as has been described in particular in the not previously published, aforementioned patent application of the applicant. This varnish may have been partially or fully applied to the back.
  • Age- natively or cumulatively, a thermo-sensitive lacquer can be used, which can be used in addition to stabilize the contour. It is also possible that white, unmetallized paper is used.
  • FIGS. 16 to 22 show stamping contours 3A with embossing contour areas 5A, such as those on a container wet glue label 1 after removal from the wet glue label embossing tool 32 formed with the die 33 and the male 34 or even after the application of the container wet glue label 1 on one Bottle or a container have been measured.
  • the measured embossing contours on the container wet-glue label 1 are designated by the additional letters "A" in the measurement results.
  • FIGS. 16 to 18 relate to stamping contours 3A which are produced with a stamping contour region 5a according to FIG. 11, for example in the edge region 27b of a coat of arms 24 according to FIG. 12.
  • FIG. 12 shows by way of example a partial region of the stamping contour and is labeled XVI
  • the course of the stamping contour regions 5a, 5b in the plan view is not formed with part-line pieces connected by an angle, but instead is curved.
  • an output contour region 4A in the transition 9A merges into the embossing contour region 5Aa.
  • the tread depth is maximum.
  • the embossing contour 3A falls again with a corresponding oppositely oriented stamping contour region 5Ab.
  • the starting contour region 4A with a tread depth of zero may not again be reached, but rather a material region of the container wet glue-on label 1 which is slightly different from zero and slightly displaced in the direction of the displaced contour region 7A may remain here.
  • FIGS. 17 and 18 show measurement results for a detection of a stamping contour 3A when measured along a measuring axis 36 (see Fig. 16).
  • the tread depth is in a profile depth direction 37 applied over the measuring axis 36.
  • the embossed depth 6 of the displaced contour region 7A, the contour angle 14A and the extension of the embossing contour region 5A between the starting contour region 4A and the displaced contour region 7A can be taken from the measured progressions.
  • the measurement results according to FIGS. 17 and 18 can be taken from the length of the displaced contour region 7A.
  • FIGS. 19 to 22 show measured stamping contours 3A, which have been produced with a wet glue-on stamping tool 32 having a stamping contour area 5a according to FIG. Preferably, it is the line of a lettering according to FIG. 5 (wherein, as explained, unlike the description of FIG. 5, a wet-glue-embossing tool having a stamping contour region 5a according to FIG. 9 has been used).
  • FIGS. 19 and 20 show stamping contours 3A in a region of smaller line width than FIGS. 21 and 22.
  • the curves can be determined by determining the starting contour region 4A, the transitions 8A, 9A, the embossing contour regions 5A, the contour angle 14A Length of the displaced contour area 7A and the extension of the embossing contour 3A between the output contour area 4A and the displaced contour area 7A in the direction of the main extension plane 13, here in the direction of the measuring axis 36, take place.
  • the measurement curves 19, 20 differ in the range of small line thicknesses from the courses according to FIGS. 21 and 22 for greater line width at approximately the same emboss contour areas 5A by the length of the displaced contour regions 7A. Can be seen in Figs.
  • Non-uniform deformations of the container wet glue-on label 1 resulting from the embossing process Furthermore, it can be seen in FIGS. 16 to 22 that the embossing contour 3, 3A, on the one hand, bears against the wet-glue-label embossing tool 32 and, on the other hand, on the container wet-glue label 1 after removal from the wet-glue-embossing tool 32 and before the application of the container Wet-end-type 1 and after its application differ.
  • the following results have been obtained:
  • the resulting maximum profile depth of the displaced contour region 7 on the container wet glue label 1 after removal from the wet glue label embossing tool 32 and / or after application to the bottle is less than half the maximum embossing depth of the wet glue label embossing tool 32 is.
  • the contour angle 14A is less than one third of the contour angle 14 of the embossing contour region 5 of the wet glue label embossing tool 32.
  • the extent of the embossing contour region between the displaced contour region and the starting contour region is on the container wet glue label 1 after removal from the wet glue code embossing tool 32 and / or after the application of the same to the wrong one, greater than this extension of the wet glue label embossing tool 32. Further, it can be seen that u. U. with an increase in the extension of the displaced contour region 7A, the fluctuations of the contour (see Fig. 21, 22) in the displaced contour region 7A are greater.
  • wet glue label embossing tool 32 according to the invention are described as examples: It is possible that in a wet glue marking tool 32, as described, for example, in one of claims 1 to 5, the or a displaced contour region 7 has an embossing depth 6 in the range of 0.200 mm to 0.260 mm and / or
  • the embossing contour region 5 in the main extension plane 13 has an extension which is in the range of 0.300 mm and 0.400 mm.
  • the embossing contour region 5 can optionally begin with a transition 9 or kink and an adjoining contour angle 14 in the range of 48.0 ° to 52.0 °, at a distance 17 from the transition 9 or kink in the main extension plane 13 of 0.198 mm ⁇ 10% have an embossing depth 6 of 0.204 mm ⁇ 10%, at a distance 18 from the transition 9 or kink in the main plane 13 of 0.277 mm ⁇ 10% have an embossing depth 6 of 0.228 mm ⁇ 10% and at a distance 19 of the Transition 9 or kink in the main extension plane 13 of 0.338 mm ⁇ 10% have an embossing depth of 0.230 mm ⁇ 10%.
  • the or a displaced contour area 7 has an embossing depth 6 in the range from 0.120 mm to 0.160 mm and / or
  • the embossing contour region 5 in the main extension plane 13 has an extension which is in the range of 0.185 mm and 0.210 mm.
  • the embossing contour region 5 can optionally begin with a transition 9 or kink and an adjoining contour angle 14 in the range from 48.0 ° to 52.0 °, at a distance 20 from the transition 9 or kink in the main extension plane 13 of 0.096 mm ⁇ 10% have an embossing depth 6 of 0.096 mm ⁇ 10% and have an embossing depth 6 of 0.140 mm ⁇ 10% at a distance 21 from the transition 9 or kink in the main plane 13 of 0.197 mm ⁇ 10%.
  • a wet glue-on marking tool 32 as described, for example, in one of claims 1 to 5, or a displaced contour region 7 has an embossing depth 6 in the range of 0.190 mm to 0.230 mm and / or
  • the embossing contour region 5 in the main extension plane 13 has an extension which is in the range of 0.250 mm and 0.280 mm.
  • the embossing contour region 5 can optionally begin with a transition 9 or kink and an adjoining contour angle 14 in the range from 48.0 ° to 52.0 °, at a distance 22 from the transition 9 or kink in the main extension plane 13 from 0.134 mm ⁇ 10% have an embossing depth 6 of 0.141 mm ⁇ 10% and have an embossing depth 6 of 0.210 mm ⁇ 10% at a distance 23 from the transition 9 or kink in the main plane 13 of 0.262 mm ⁇ 10%.
  • a displaced contour region 7A has an embossing depth in the range of 0.050 mm to 0.10 mm, in particular in the range of 0.060 mm to 0.090 mm.
  • the embossing contour area 5A between the displaced contour area 7A and the exit contour area 4A has an extent in the direction of the main extension plane in the range from 0.270 mm to 0.380 mm, in particular in the range from 0.280 mm to 0.375 mm.
  • a stamping contour area 5A with a stamping contour partial area 12A which has a contour angle 14A in relation to the main plane 13 in the area of 10 ° to 25 °, in particular 14 ° to 20 °.
  • a displaced contour region 7A has an embossing depth in the range of 0.090 mm to 0.150 mm, in particular in the range of 0.095 mm to 0.145 mm, has.
  • the embossing contour region 5A between the displaced Kontu r Scheme 7A and the output contour area 4A a Extension in the direction of the main extension plane in the range of 0.400 mm to 0.510 mm, in particular in the range of 0.410 mm to 0.500 mm, has.

Abstract

L'invention concerne un outil d'estampage destiné à une étiquette à colle humide, permettant de faire passer une zone de profil d'estampage (5) sur une étiquette à colle humide pour contenants (1) présentant un substrat (2). L'invention vise à permettre d'obtenir un effet optique et tactile d'une zone estampée en relief au moyen d'une zone de profil d'estampage (5) qui, malgré l'application de la colle humide sur le substrat, l'application de l'étiquette à colle humide pour contenants sur une bouteille et le séchage de ladite étiquette avec la colle humide sur la bouteille, est, dans une très large mesure, préservé. A cet effet, la zone de profil d'estampage (5) de l'outil d'estampage d'étiquette à colle humide est pourvue d'une zone partielle de profil d'estampage (12) qui présente un angle de profil (14) d'au moins 45° par rapport au plan d'extension principale (13).
PCT/EP2016/067809 2015-08-03 2016-07-26 Étiquette à colle humide pour contenants, outil d'estampage destiné à une étiquette à colle humide pour contenants et contenant ou bouteille comportant une telle étiquette à colle humide WO2017021225A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP16742323.5A EP3331692B1 (fr) 2015-08-03 2016-07-26 Étiquette à colle humide pour contenants, outil d'estampage destiné à une étiquette à colle humide pour contenants et contenant ou bouteille comportant une telle étiquette à colle humide
ES16742323T ES2834491T3 (es) 2015-08-03 2016-07-26 Etiqueta de cola húmeda para recipientes, herramienta de estampado de etiquetas de cola húmeda para una etiqueta de cola húmeda para recipientes y recipiente o botella con una etiqueta de cola húmeda para recipientes

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202015104055.5 2015-08-03
DE202015104055.5U DE202015104055U1 (de) 2015-08-03 2015-08-03 Behälter-Nassleimetikett, Prägewerkzeug für ein Behälter-Nassleimetikett und Behälter oder Flasche mit einem Behälter-Nassleimetikett

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WO2017021225A1 true WO2017021225A1 (fr) 2017-02-09

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PCT/EP2016/067809 WO2017021225A1 (fr) 2015-08-03 2016-07-26 Étiquette à colle humide pour contenants, outil d'estampage destiné à une étiquette à colle humide pour contenants et contenant ou bouteille comportant une telle étiquette à colle humide

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EP (1) EP3331692B1 (fr)
DE (1) DE202015104055U1 (fr)
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WO (1) WO2017021225A1 (fr)

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Publication number Priority date Publication date Assignee Title
DE202019107123U1 (de) * 2019-12-19 2021-03-22 Essmann + Schaefer Gmbh + Co. Kg Rill- oder Prägewerkzeug

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DE102008023653A1 (de) * 2008-05-15 2009-11-19 Vollherbstdruck Gmbh Prägeetikett und Verfahren zur Herstellung eines Prägeetiketts

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GB1411146A (en) 1973-01-20 1975-10-22 Fletcher Bros Engs Ltd Cord knitting device
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AU718257B2 (en) * 1995-06-07 2000-04-13 B & H Manufacturing Company, Inc. Computer controlled labeling machine for applying labels including stretch labels and tactilely sensible indicia on articles
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EP1437213A1 (fr) * 2002-12-23 2004-07-14 Boegli-Gravures S.A. Dispositif pour satiner et pour gauffrer un matériau plat
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EP2399732A1 (fr) * 2010-06-22 2011-12-28 Boegli-Gravures S.A. Dispositif de gaufrage de feuilles
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US1850856A (en) * 1930-07-11 1932-03-22 L F Grammes & Sons Inc Ornamentally embossed strip material
US3584572A (en) * 1968-02-19 1971-06-15 Anthony Apicella Method, apparatus and die adapted to simultaneously heat stamp, emboss and cut
US5857275A (en) * 1994-06-30 1999-01-12 Deal; Richard E. Label with enhanced grip
DE102008023653A1 (de) * 2008-05-15 2009-11-19 Vollherbstdruck Gmbh Prägeetikett und Verfahren zur Herstellung eines Prägeetiketts

Also Published As

Publication number Publication date
EP3331692B1 (fr) 2020-10-14
ES2834491T3 (es) 2021-06-17
EP3331692A1 (fr) 2018-06-13
DE202015104055U1 (de) 2016-11-04

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