Label for decorating a bottle, bottle and method of manufacture of such a label
09934703 ยท 2018-04-03
Assignee
Inventors
Cpc classification
B44C3/025
PERFORMING OPERATIONS; TRANSPORTING
B65D23/085
PERFORMING OPERATIONS; TRANSPORTING
B65D1/02
PERFORMING OPERATIONS; TRANSPORTING
B65D23/14
PERFORMING OPERATIONS; TRANSPORTING
International classification
B44C1/10
PERFORMING OPERATIONS; TRANSPORTING
B65D1/02
PERFORMING OPERATIONS; TRANSPORTING
B65D23/08
PERFORMING OPERATIONS; TRANSPORTING
Abstract
The self-adhesive label (10) produced in relief in order visually and/or in a tactile manner to simulate decorative etching of the material of a container or a decorative seal or stamp applied to the container, includes: a layer of adhesive (105); a sheet of flexible plastic (110), one face of which is entirely covered by the layer of adhesive; and an extra thickness (120) formed on the opposite face of the sheet of flexible plastic to the layer of adhesive. The extra thickness includes a flexible plastic and covers the edge (115) of the sheet to form a decorative design simulating an engraved relief. The peripheries of the extra thickness and of the sheet of plastic are cut jointly, the cut edge of the extra thickness thus coming as a continuation of the cut edge of the sheet up to the lower surface of the sheet of flexible plastic.
Claims
1. A self-adhesive label produced in relief in order to visually and/or tactilely simulate a decorative molding of a material of a container or a decorative seal or stamp applied to the container, the self-adhesive label comprising: a layer of adhesive; a flexible plastic sheet having an cut edge at a periphery of the flexible plastic sheet, one face of the flexible plastic sheet being entirely covered by the layer of adhesive; and an extra thickness formed on a surface of the flexible plastic sheet opposite the layer of adhesive, the extra thickness having an uppermost first surface and a lowermost second surface in contact with the flexible plastic sheet, and being comprised of a flexible plastic material from the uppermost first surface to the lowermost second surface, the lowermost second surface of the extra thickness being in contact with and covering the upper second face of the flexible plastic sheet at the cut edge of the flexible plastic sheet, the extra thickness, from the uppermost first surface to the lowermost second surface, forming a decorative design simulating an engraved relief or an edge of a seal, the extra thickness having an cut edge extending from i) a periphery of the lowermost second surface of the extra thickness to ii) a periphery of the uppermost first surface of the extra thickness, wherein the cut edge at the periphery of the extra thickness and the cut edge at the periphery of the flexible plastic sheet are cut jointly, the cut edge at the periphery of the lowermost second surface of the extra thickness coinciding with the cut edge of the flexible plastic sheet as a continuation of the cut edge of the flexible plastic sheet to a lower surface of the flexible plastic sheet.
2. The self-adhesive label according to claim 1, wherein the layer of adhesive, the flexible plastic sheet and the extra thickness of flexible plastic are, at least in part, transparent.
3. The self-adhesive label according to claim 1, wherein the extra thickness does not cover the entire flexible plastic sheet.
4. The self-adhesive label according to claim 1, wherein the flexible plastic sheet comprises translucent polypropylene.
5. The self-adhesive label according to claim 1, which further comprises a removable carrier comprising a PET ridge laminated onto glassine.
6. The self-adhesive label according to claim 1, wherein the extra thickness comprises an acrylic 3D varnish polymerizable by ultraviolet rays.
7. The self-adhesive label according to claim 1, wherein the extra thickness comprises digital ink printing with a UV varnish.
8. The self-adhesive label according to claim 1, wherein the extra thickness is poured then hardened.
9. The self-adhesive label according to claim 1, wherein the flexible plastic sheet bears a resin stop molding printed with an aqueous or UV varnish configured to repel a predefined flexible plastic material, the extra thickness being formed with said predefined flexible plastic material.
10. The self-adhesive label according to claim 1, wherein the extra thickness comprises polyurethane resin mixed with isocyanate hardener.
11. The self-adhesive label according to claim 1, wherein the flexible plastic sheet comprises metallized polyester.
12. The self-adhesive label according to claim 1, wherein the flexible plastic sheet bears a printed solid area with a margin.
13. The self-adhesive label according to claim 1, wherein the flexible plastic sheet is made of PVC, PP or transparent polyolefin.
14. The self-adhesive label according to claim 1, wherein the flexible plastic sheet carries printing of two screen-printed solid areas of matte ink, superimposed on each other forming a totally opaque color background.
15. The self-adhesive label according to claim 1, wherein the extra thickness forms a border in relief at least 1.5 mm wide and at least 250 m thick, which follows the outline of the label.
16. The self-adhesive label according to claim 1, wherein the extra thickness is formed from a first tinted layer of transparent varnish and pigments, and from a second layer of the same varnish, transparent or tinted, superimposed on the first tinted layer.
17. The self-adhesive label according to claim 1, wherein the extra thickness comprises pigments of the color of the glass on which the label is intended to be attached.
18. A bottle bearing a label according to claim 1 glued on its surface.
19. The bottle according to claim 18, which is made of glass having a color and wherein the extra thickness (220) of the label comprises pigments of the color of the glass of the bottle.
20. A method of manufacturing a self-adhesive label produced in relief in order to visually and/or tactilely simulate decorative molding of a material of a container or a decorative seal applied to the container, the method comprising: a step of applying adhesive onto a first surface of a flexible plastic sheet, the flexible plastic sheet having a second surface opposite the first surface, the flexible plastic sheet having a periphery; a step of forming, on the second surface of the flexible plastic sheet, an extra thickness comprising a flexible plastic material, the extra thickness covering the periphery of the flexible plastic sheet to thereby form a decorative design simulating an engraved relief or an edge of a seal; and a step of jointly cutting i) a periphery of the extra thickness and ii) the periphery of the flexible plastic sheet to thereby form a cut edge in the extra thickness extending between an uppermost first surface and a lowermost second surface of the extra thickness and in the flexible plastic sheet, where the cut edge of the extra thickness is formed as a continuation of the cut edge of the flexible plastic sheet up to a lower surface of the flexible plastic sheet.
21. The method according to claim 20, which comprises: a step of presenting a laminated sheet onto a removable carrier; a step of printing a circular molding with a varnish configured to repel a liquid plastic material being spread; a step of half-cutting the shape of the label so as to cut only the thickness of the sheet and not that of the removable carrier; a step during which plastic material mixed with hardener is poured outside the resin stop molding, the resin stopping when it abuts the cut; and a step of hardening the plastic material.
22. The method according to claim 20, wherein, during the step of forming an extra thickness, a digital UV ink jet printing is carried out with a UV varnish.
23. The method according to claim 20, wherein, during the step of forming an extra thickness, the extra thickness is poured then hardened.
24. A self-adhesive label produced in relief in order to visually and tactilely simulate a decorative molding of a material of a container or a decorative seal or stamp applied to the container, the self-adhesive label comprising: a layer of adhesive; a flexible plastic sheet having a periphery with a cut edge, a lower first surface, and an upper second surface opposite the lower first surface, the lower first surface of the flexible plastic sheet being entirely covered by the layer of adhesive; and the extra thickness having an uppermost first surface and a lowermost second surface in contact with and covering the upper second surface of the flexible plastic sheet at least at the cut edge of the flexible plastic sheet, the extra thickness being comprised of a flexible plastic material from the uppermost first surface to the lowermost second surface, the extra thickness, from the uppermost first surface to the lowermost second surface, forming a decorative design simulating an engraved relief or an edge of a seal, the extra thickness having an cut edge continuing from i) a periphery of the lowermost second surface of the extra thickness to ii) a periphery of the uppermost first surface of the extra thickness, wherein the cut edge at the periphery of the lowermost second surface of the extra thickness and the cut edge at the periphery flexible plastic sheet coincide so that the cut edge of the extra thickness is a continuation of the cut edge of the flexible plastic sheet to the lower surface of the flexible plastic sheet.
Description
BRIEF DESCRIPTION OF THE FIGURES
(1) Other particular advantages, aims and features of the invention will become apparent from the non-limiting description that follows of at least one particular embodiment of the label, bottle and method for manufacturing such a label, with reference to drawings included in an appendix, wherein:
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DESCRIPTION OF EXAMPLES OF REALIZATION OF THE INVENTION
(14) It is now noted that
(15) Schematically,
(16) These labels are designed to customize packaging in 3D, e.g. gift boxes or glass bottles. In the remainder of the description, for clarity, this last use is preferred, without limiting the scope of the present invention.
(17)
(18) The self-adhesive label 10 is laminated onto a removable PET/glassine backing 150 (shown unattached as it is not part of the label once it has been glued onto a glass bottle) for transportation. To form the extra thickness 120 of the flexible plastic sheet 110, a 3D acrylic ultraviolet (UV) curing varnish is used, as set out with reference to
(19) In the embodiment illustrated in
(20) The extra thickness 120 is formed on the surface of the flexible plastic sheet 110 opposite the layer of adhesive 105. The extra thickness comprises a flexible plastic material and covers the edge 115 of the sheet to form a decorative design simulating an engraved or molded glass relief. The peripheries of the extra thickness 120 and of the flexible plastic sheet 110 are cut jointly. The cut edge 115 of the extra thickness 120 thus comes as a continuation of the cut edge of the sheet 110, up to the lower surface of the flexible plastic sheet 110.
(21) Preferably, the angle of the jointly-cut edges of the extra thickness 120 and the flexible plastic sheet 110 to the lower surface of the flexible plastic sheet 110 is 90 degrees. This characteristic also applies to the other embodiments described with regard to the figures.
(22) The extra thickness of varnish 120 forms a border in 3D at least 1.5 mm wide and at least 250 m thick, which follows the outline of the label.
(23) Preferably, the angle 130 of the surface of the sheet to the edge of the extra thickness of plastic material 120, at the limit of the joint cutting area, is over 45 to match an angle generally formed by a glass molding.
(24) This border in relief 120 that follows the outline of the label 10 creates an esthetic barrier and has two functions: making the edges of the label 10 invisible once the label 10 has been pressed up against the glass of a bottle (not shown), thanks to a cutout in the mass of its outline; and partitioning two different materials, firstly the bottle's glass and secondly the synthetic material of the label 10, to prevent the consumer from comparing their aspect and brightness.
(25) As illustrated in
(26) To produce the label 10, the following means can be utilized: an adhesive carrier is used, e.g. of type PPTOP CLEAR (registered trademark), translucent after complete polymerization of the adhesive in 48 hours. Its invisible and brilliant aspect, identical to glass, makes it possible to work on all types of tinted bottles, including clear glass bottles, even filled with clear alcohol, e.g. vodka; and the tension of the varnish film that forms the relief is achieved thanks to the use of a flexible Polyurethane squeegee to deposit as much UV varnish as possible.
(27) The label 10 has the following characteristics and advantages: the sheet 110 of 60 m transparent Polypropylene flexible plastic material, with a complexed backing 150 (PET/glassine paper ridge), makes the label completely translucent once affixed to a glass bottle, thanks to the absence of traces of adhesive due to the smoothing of the adhesive by the smooth PET backing; and the extra thickness comprises the border in relief 120, which follows the outline of the label and partitions the two materials (the bottle's glass and the label's visible material), and prevents the edges of the label 10 from being visible.
(28) The label 10 is cost-effective, esthetically pleasing, and easy to install by hand or with a standard labeler fitted with ultrasound cells that detect the labels, even if they are transparent, and the reliefs. Utilizing it makes it possible to customize small, medium and large quantities of bottles at a low cost, while avoiding the constraints of glassmakers, such as capital investment for the mold, a large minimum quantity, required storage, blocked funds.
(29)
(30) The self-adhesive label 20 is laminated onto a removable PET/glassine backing 150 (shown unattached as it is not part of the label once it has been glued onto a glass bottle) for transportation.
(31) The label 20 has the same technical characteristics as the label 10, except that the flexible plastic sheet 110 bears a tinted design 220 rather than a transparent design. Preferably, the tinted 3D printing forming the extra thickness 220 is doubled with a transparent varnish. Preferably, the printed design of the extra thickness 220 is formed by a tinted layer of a transparent varnish and pigments of the color of the glass and a layer of the same varnish, transparent or also tinted, superimposed on the tinted layer.
(32) The extra thickness 220 is formed on the surface of the flexible plastic sheet 110 opposite the layer of adhesive 105. The extra thickness comprises a flexible plastic and covers the edge 115 of the sheet 110 to form a decorative design simulating an engraved or molded glass relief. The peripheries of the extra thickness 220 and of the flexible plastic sheet 110 are cut jointly. The cut edge 115 of the extra thickness 220 thus comes as a continuation of the cut edge of the sheet 110, up to the lower surface of the flexible plastic sheet 110.
(33) The varnish is a 3D UV varnish, for example an acrylic resin with UV polymerization. The pigments mixed with a transparent UV varnish produce a semi-transparent tint, transparent enough to let light pass through the bottle's glass and give a visually uniform result.
(34) Applied to a glass bottle, the label 20 imitates the appearance and feel of a bottle with a 3D engraving or molding made by a glassmaker. Preferably, the color of the tint of the extra thickness 220 is the color of the glass of the bottle to which the label 20 is intended to be glued. Thus, the 3D printing is tinted with pigments to match the color of the glass of the bottle.
(35) The label 20 is cost-effective, esthetically pleasing, can be printed in two or even three colors, and easy to affix by hand or with a standard labeler. Utilizing it makes it possible to customize small, medium and large quantities of bottles at a low cost, while avoiding the constraints of glassmakers.
(36) As illustrated in
(37) To produce the label 20, the following means can be utilized: an adhesive carrier is used, e.g. of type PP Top Clear (registered trademark), translucent after complete polymerization of the adhesive in 48 hours. Its invisible and brilliant aspect, identical to glass, makes it possible to work on all types of tinted bottles, including clear glass bottles, even filled with clear alcohol, e.g. vodka; and a flat-bed reel-to-reel screen printing machine is used, fitted with at least two print heads and with two UV-polymerization dryers and a flatbed cutter; Reel-to-reel rotary screen printing machines can also be used, fitted with at least two screen-printing heads and two UV-polymerization dryers and a rotary cutting station. For this configuration, the cylindrical screens replace the flatbed screen printing stencils. These provide improved definition through the technique for depositing varnish, faster print speeds and a more reliable, higher-quality rotary cut. A flexible printing squeegee is used. a screen printing stencil destined for a first printing stage is made with a polyester fabric and a medium mesh size. This first screen printing is made with the 3D varnish from VFP or DUBUIT (registered trademarks). These varnishes are tinted with MICROLITH pigments from BASF (registered trademarks), assembled and marketed by ENCRES DUBUIT (registered trademark), making it possible to reproduce the color of the bottle glass by matching; a screen printing stencil destined for a second printing stage is made with a polyester fabric and a large mesh size. This second screen printing is carried out exclusively with the UV RELEX (registered trademark) 3D varnish from VFP or the HMA 3034 varnish from ENCRES DUBUIT (registered trademarks). These varnishes can also be tinted. This second printing is only to provide relief, transparency and brilliance; the tension of the varnish film is achieved by using a flexible squeegee; and the number of printing cycles per hour is 1100 cycles/hour.
(38) The label 20 has the following characteristics and advantages: a 3D printing with pigments to match the color of the bottle glass gives the illusion to the consumer that the bottle's material is engraved; a multi-layer printing method consisting of superimposing a first layer tinted to the same color as the glass, a layer of transparent or tinted varnish makes it possible to obtain the relief while preventing the risks of visible detection; a border in relief of the extra thickness 220, which follows the outline of the label partitions the two materials and prevents the edges of the label being visible; and the ability to have two or three different colors in relief on a single bottle, which a glassmaker cannot achieve.
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(40) For the label 30 to have the shape of a wax seal, the layer 320 forms a 3D border (or a rim) that follows the irregular outlines of the label 30 and covers the edge 315 of the sheet 310.
(41) The extra thickness 320 is formed on the surface of the flexible plastic sheet 310 opposite the layer of adhesive 305. The extra thickness 320 comprises a flexible plastic material and covers the edge 315 of the sheet to form a decorative design simulating an edge of a seal. The peripheries of the extra thickness 320 and of the flexible plastic sheet 310 are cut jointly. The cut edge 315 of the extra thickness 320 thus comes as a continuation of the cut edge of the sheet 310, up to the lower surface of the flexible plastic sheet 310.
(42) Preferably, the angle of the surface of the sheet 310 to the edge of the extra thickness of plastic material 320, at the limit of the joint cutting area, is over 45.
(43) The self-adhesive label 30 is laminated onto a removable PET/glassine carrier 350 (shown unattached as it is not part of the label once it has been glued onto a glass bottle) for transportation.
(44) The sheet 310 carries a print 330 and a circular resin stop stripe 340 printed with an aqueous or UV varnish, configured to repel a predefined flexible plastic material, the layer 320 being formed with this predefined flexible plastic material being poured before hardening. For example, the extra thickness 320 is made of polyurethane resin mixed with isocyanate hardener, which cures when heated. Preferably, the material of the extra thickness 320 is transparent so there is continuity of color between, firstly, the central portion, where the color of the printing 330 is directly seen and, secondly, the extra thickness 320 through which the color of the printing 330 is seen.
(45) The sheet 310 bears, on the side opposite the adhesive, the printing of a solid color area with text in a margin, allowing the gold or silver metallized color of the sheet 310 to be seen. The text (LT in
(46) It should be noted that the polyurethane resin used complies with all current standards: ROHS, toys, food, automobile, lead- and mercury free, no heavy metals. To pour the resin, called doming, a special machine is used, for example, which is able to reproduce all the shapes and texts from 3 to 4 mm wide, with a thickness of over 1.5 mm. This machine is fitted with an arm articulated around two digital axes able to reproduce any form based on a computer file using vector drawing programs.
(47) The computer file that made it possible to make the cutting tool is also used for programming the various motions of the arm, on which nozzles are arranged (from 2 to 24 nozzles, in even numbers, depending on the number of seals per sheet), which carry the exact quantity of resin propelled by metering pumps according to a preselected program.
(48) This machine is fitted with a suction table to receive the backing sheets with pre-printed seals. The suction and positioning of the sheet during the doming period must be perfect, so that the poured resin perfectly follows the seal's outlines.
(49) The advantages of the label 30 comprise, compared to a conventional wax seal: the label 30 eliminates the painstaking set up for a genuine wax seal, where the wax has to be softened, poured onto the object, the wax stamped with a more or less successful rendering, all with low yields; and the label 30 is delivered on backing sheets; the label 30 can be removed from its carrier and glued by hand onto its new carrier, as easily and quickly as a self-adhesive sticker; This operation can be carried out in hidden time, since it requires no implementation and no particular know-how to achieve a visual with perfect and constant quality; the label 30 adopts geometrically involute shapes, unlike a wax seal; the label 30 is made from flexible, highly resilient materials that meet industrial specifications, unlike wax seals, which are fragile, breakable, deformable, and can deteriorate; the label 30 can be produced in all colors, with no colorimetric limitations, and its shape is scalable; unlike a monochrome wax seal, a gold or silver center design (logo, coat of arms) can be achieved; and the label 30 can be manufactured in large series to meet large requirements, e.g. at a rate of 40,000 seals/day.
(50) As illustrated in
(51)
(52) For the label 40 to have the shape of a glass seal, the layer 420 forms a 3D border that follows the irregular outlines of the label 40 and covers the edge 415 of the sheet 410. Preferably, the angle of the surface of the sheet to the edge of the extra thickness of plastic material, at the limit of the joint cutting area, is over 45.
(53) The self-adhesive label 40 is laminated onto a removable PET/glassine carrier 350 (shown unattached as it is not part of the label once it has been glued onto a glass bottle) for transportation.
(54) The sheet 410 carries a 3D printing in its central portion and outside the border 420. This 3D printing is made in the same way as the printing in relief of the labels 10 and 20, as set out with reference to
(55) The sheet 410 has a circular resin stop stripe 440 printed with a UV varnish, configured to repel a predefined flexible plastic material, the layer 420 being formed with this predefined flexible plastic material being poured before hardening. For example, the layer 420 is made of polyurethane resin mixed with isocyanate hardener, which cures when heated.
(56) The label 40 avoids having to mold the glass of a bottle to form a decorative relief on it.
(57) As illustrated in
(58)
(59) The label 50 is similar to the label 40, except for an additional printing 445 on the sheet 410 on the side opposite the adhesive 405, of two screen printed solid areas of UV curing matte ink superimposed on each other to obtain a completely opaque color background. A label simulating a monochrome wax seal is thus produced without the drawbacks of a wax seal.
(60) As illustrated in
(61)
(62) Of course, the various embodiments can be combined to form other types of labels. For example, a label may have the printing with margins on metallized polyester sheets as illustrated in
(63) In a variant, to make the extra thickness of the label, 3D UV inkjet printing is utilized, similar to inkjet printing but without necessarily the material being tinted. In some variants, during the step of forming an extra thickness, a digital UV ink jet printing is carried out, thanks to a UV varnish deposited in multiple layers.
(64) The thickness of such a printing can reach, for example 500 m.
(65) Small and medium-size runs of labels can be handled and tooling costs sharply reduced. For labels designed to customize clear glass bottles, during the application by inkjet of the varnish in 3D, a complete absence of air bubbles is noted, giving at the end a completely translucent varnish, unlike a screen-printed varnish that may become laden with bubbles and lose its transparency.
(66) In some variants, embossing or forming and thermoforming techniques are utilized, which consist of deforming the synthetic or paper backing and giving it a relief forming an extra thickness.
(67) In some variants, a postcure or remelting of the label is utilized, before or after it is affixed to the container, to reduce internal tensions and improve the label's conforming to the surface of the container, which may be curved and non-involute.