BR102017014462A2 - self-adhesive label enhancement for variable data laser marking, with protective barrier and laser-sensitive adhesive - Google Patents

Abstract

The present patent application concerns the self-adhesive variable data laser marking label with barrier and the laser marking sensitive adhesive employed therein, belonging to the field of self-adhesive articles and components used in the manufacture. of the same; said label comprising: paper body / plastic film (1); by lower layer of pressure sensitive adhesive (2); upper protective barrier (3) formed of clear plastic film (4); and by laminating adhesive layer (5), which joins the clear plastic film (4) to the body (1); wherein the adhesive layer (5) is incorporated with laser sensitive pigment (6), constituting a laser-markable adhesive layer (5) - (6); said label (1) - (2) - (3) comprising: upper barrier (3) composed of transparent plastic film (4) and layer of laser-marking adhesive (5) - (6); per paper body / plastic film (1); and per layer of pressure sensitive adhesive (2).

Description

“IMPROVEMENT IN SELF-ADHESIVE LABEL FOR MARKING VARIABLE DATA THROUGH LASER RAY, PROVIDED WITH A PROTECTIVE BARRIER AND SENSITIVE ADHESIVE TO LASER RAY MARKING” [01] INTRODUCTION - This specification describes an application for an invention patent for the label self-adhesive for variable data marking by laser beam and adhesive sensitive to laser marking used in it, belonging to the field of self-adhesive articles and components used in the manufacture of self-adhesive articles, said label that has been perfected and the adhesive developed to provide a label with good resistance to the environment, that is formed with less quantity of materials and of manufacturing operations and consequently lower cost in relation to similar ones of the state of the art, as well as that can be obtained in versions with or without support and protection tape (liner) and that is manufactured with the usual resources of the convenient technique arranged.

[02] STATE OF THE TECHNIQUE - Self-adhesive variable data tag is already known: formed by paper or plastic film tag body; by substrate of thermal printing or laser marking arranged on the upper face of the body; and by a pressure sensitive adhesive layer (PSA) adhered to the underside of the body; said label, in a construction possibility, is of the type provided glued to a support and protection tape (liner), from which it is detached at the time of use. Thus, when in use, this label is fed into laser printing / marking equipment, which can be associated with other equipment, such as,

Petition 870170046535, of 07/04/2017, p. 4/35 / 18 for example, scale, labeler or others, said printing / marking equipment performs laser printing / marking on the label, which is detached from the liner and applied to a receiving surface. This label is used for numerous purposes in industries, businesses, logistics companies, to receive the weight, barcode, price, date of manufacture, expiration date and other information related to the product, or for other applications.

[03] Usually, this label can have some constructive variations. In one case, it can be of a type that is originally supplied glued on a support and protection tape, liner, as mentioned above. In another possibility, it can be of the linerless type, that is, without support and protection tape, in which case it is provided with a release layer, for example silicone, disposed on the substrate of printing / laser marking. In another possibility, it can be provided with a protective barrier placed on the substrate of printing / laser marking, formed by plastic barrier film and by layer of adhesive that joins the film to the substrate.

[04] These labels serve your purposes properly. However, it is desirable that, in addition to being technically adequate, they also have low cost.

[05] OBJECTIVES OF THE INVENTION - Thus, the objective of the present patent is to provide a self-adhesive label for marking variable data through an improved laser beam, in order to adequately serve its purpose, have low cost and be resistant to possible aggressions from the environment. environment, such as humidity and others.

Petition 870170046535, of 07/04/2017, p. 5/35 / 18 [06] Another objective is to provide a self-adhesive label for marking variable data through an improved laser beam that can be obtained in versions with and without liner.

[07] Another objective is to provide a self-adhesive label for marking variable data through an improved laser beam, which can be manufactured using resources known to the technique conveniently arranged.

[08] Another objective is to provide a self-adhesive label for marking variable data using an improved, low-cost laser beam.

[09] Another objective is to provide a formulation of adhesive sensitive to laser marking, which is used on the label according to the present invention.

[010] BRIEF DESCRIPTION OF THE INVENTION - In view of the difficulties and inconveniences observed in the state of the art, related to self-adhesive labels for marking variable data by printing / marking by laser beam, alluded to above and in order to overcome them and aiming meet the related objectives, the improvement was developed in self-adhesive label for marking variable data through laser beam, endowed with protection barrier, object of the present patent, which presents as a differential in relation to its usual similars the fact of providing layer of laser marking consisting of the lamination adhesive that joins the barrier film to the label body, said adhesive, which is also the object of the present invention, to fulfill this laser marking function, incorporates laser-sensitive pigment in the its formulation.

Petition 870170046535, of 07/04/2017, p. 6/35 / 18 [011] This form of label construction dispenses with the usual laser marking substrate incorporated on the label body, thus reducing material consumption. Consequently, the label manufacturing process dispenses with the operation of applying the laser marking substrate to the label body and all the necessary equipment for this. As a result, the final cost of the label is less than that of the usual similar ones, thus meeting the main objective of the invention.

[012] Another advantage of this label is that it can be obtained in versions with and without liner, meeting another objective of the invention.

[013] Still, the present label can be obtained from usual manufacturing equipment conveniently adapted, thus dispensing with the development of specific equipment and the costs that this may entail, thus meeting another objective of the invention.

[014] ILLUSTRATIVE FIGURES OF THE INVENTION - The attached drawings refer to the improvement in self-adhesive label for marking variable data using a laser beam, equipped with a protection barrier, object of the present patent, in which:

[015] Fig. 1 shows a diagram, in which the section of a self-adhesive label of type for marking variable data using a state of the art laser beam is seen;

[016] Fig. 2 shows a view similar to that of the upper figure, in which a self-adhesive label for marking variable data using a laser beam, obtained according to the present invention, is seen;

[017] Figs. 3A, 3B show the self-adhesive label for marking variable data using a laser beam, obtained according to the present

Petition 870170046535, of 07/04/2017, p. 7/35 / 18 invention, of the type provided supported on a support and protection tape, liner, being that in fig. 3A is a schematic view of a label tape spool and fig. 3B shows the section of the label;

[018] Figs. 4A, 4B show a view similar to that of the previous figure, in which a self-adhesive label for marking variable data using a laser beam, obtained according to the present invention, is of the type without linerless support and protection tape, whereas in fig . 4A is a diagram of the label tape spool and in fig. 4B the section of the label is seen;

[019] Fig. 5A shows a sectional view of a tape of traditional self-adhesive material, which can be used to obtain the label of the present invention;

[020] Fig. 5B shows a schematic of the section of the self-adhesive label for marking variable data using a laser beam, obtained according to the present invention, of the type without linerless support and protection tape, manufactured through the process object of another patent of the same applicant, filed under number PI 0902205-8, and obtained from the traditional adhesive tape of figure 5 A;

[021] Fig. 6 shows the schematic of the manufacturing process of the label, object of the other mentioned patent PI 0902205-8 of the same applicant, mentioned in figure 5B; and [022] fig. 7 shows a view of the self-adhesive label for marking variable data using a laser beam, obtained according to the present invention, of the type without or with support and protection tape and containing prints with common ink, which collaborate with variable data markings through laser beam to compose the information provided by the label.

Petition 870170046535, of 07/04/2017, p. 8/35 / 18 [023] DETAILED DESCRIPTION BASED ON FIGURES - As provided for in the invention and illustrated in the figures, the self-adhesive label for marking variable data, provided with a 1-2-3 barrier, object of the present patent, is of type that provides variable data marking using laser beams and usually understood, essentially (fig. 1): by paper or plastic film label body 1; per layer of pressure sensitive adhesive, PSA, 2, on the underside of the body 1; by protective barrier 3, on the upper face of the body 1 and formed by transparent barrier plastic film 4; and by laminating adhesive layer 5, which joins the transparent plastic film 4 to the body 1; and, in addition, the label is formed by substrate sensitive to marking by laser beams.

[024] In the present invention and this constituting the main object to be protected in the present patent application (fig. 2), the substrate sensitive to marking by laser rays consists of the adhesive layer 5, which joins the plastic film of transparent barrier 4 to the body 1, for which said layer of adhesive 5 incorporates pigment sensitive to laser beam 6, thus constituting an adhesive layer sensitive to laser beam marking 5-6. In this way, the self-adhesive label for marking variable data using a laser beam, equipped with a barrier 1-2-3, is comprised of: upper barrier 3 composed of transparent plastic film 4 and a layer of adhesive sensitive to laser beam marking 5 -6; said label also understood: by paper / plastic film body 1 and pressure sensitive adhesive layer, PSA, 2.

[025] The adhesive 5 that makes up the adhesive layer sensitive to laser marking 5-6 can be any type used in

Petition 870170046535, of 07/04/2017, p. 9/35 / 18 self-adhesive articles or flexible packaging, such as adhesive: acrylic base, polyurethane base, rubber base, type applied via solvent, via water, via UV, type of permanent tack (PSA) or dry tack. The laser-sensitive pigment 6, which makes up the adhesive layer sensitive to laser marking 5-6, can be of any type compatible with the adhesives normally used in articles in the printing industry.

[026] Within these more general specifications, described above, adhesive 5, which makes up the adhesive layer sensitive to marking by laser 5-6, can be any type of adhesive used in flexible packaging, such as: mono or bi -component, applied via solvent, via water, via UV, of the dry tack type.

[027] The laser sensitive pigment 6 can be of any type compatible with adhesive 5, composed from ingredients selected from: Titanium Dioxide, Bismuth Trioxide, Calcium Carbonate, Antimony Oxide, Mica, Tin Oxide , preferably containing a mixture of some of the ingredients mentioned above. For example, the pigment of the Iriotec line manufactured by Merck Group. The specific laser-sensitive pigment 6 is incorporated into the adhesive 5 in the proportion of 1% to 20%. The specific laser-sensitive pigment 6 has a particle size of 80% less than 1 micron. The specific laser-sensitive pigment 6 is stable up to 800 ° C. The specific laser-sensitive pigment 6 is not flammable. Other pigments sensitive to marking with organic or inorganic laser rays with particle size less than 100nm can be used.

Petition 870170046535, of 07/04/2017, p. 10/35 / 18 [028] The adhesive sensitive to marking by laser beam 5-6 of the present invention is composed to react to different types of laser beam, that is, mixed laser, YAG, CO2, Fiber, developing a black color gray, marking the label with appropriate variable data, according to its destination.

[029] Within the specifications described above, an example of a possible formulation for the sensitive adhesive to be marked by laser marking 5-6 of the present invention comprises: Polyurethane based adhesive in the range of 70% to 95%, for example, brand Colflex® LG (60% solids in ethyl acetate) manufactured by Bostik ^® or similar; Laser sensitive pigment in the range of 1% to 20%, for example, of the Iriotec brand manufactured by Merckgroup or similar; and Bismuth Oxide Pigment in the range of 0.1% to 10%, with the function of enhancing laser marking.

[030] Regarding the process of obtaining the sensitive adhesive to marking by laser beam 5-6, of the present invention, it has to be said that the ingredients, described above, are mixed and homogenized in a “Cowles” mixer for about 15 min , in a vehicle chemically compatible as a solvent.

[031] Regarding the use of the sensitive adhesive to be marked by laser beam 5-6, according to the invention, it has to be said that the above mixture is applied through a flexography, gravure or simial printing system, on the label substrate, so as to result in a layer of 1 to 20 g / m ² of the dry adhesive, after the drying and curing process of the mixture.

[032] This adhesive layer is the adhesive layer sensitive to laser marking 5-6 of the invention, which

Petition 870170046535, of 07/04/2017, p. 11/35 / 18 will be marked through controlled exposure to laser beams.

[033] Barrier layer 4 is a transparent film of the type normally used in self-adhesive BOPP articles; PVC; Polyethylene; Polyester or others.

[034] The body 1 of the label can be made of paper or plastic film of the type normally used in self-adhesive articles, such as BOPP; PVC; Polyethylene; Polyester or others.

[035] The adhesive of the adhesive layer 2 of the label fixing on a receiving surface can be of the pressure sensitive types, acrylic base, rubber base, UV curing base.

[036] Within the basic construction described above, it is claimed that the self-adhesive label for marking variable data using a laser beam, equipped with a barrier and the laser-sensitive adhesive, objects of the present patent application, may receive modifications as to materials, dimensions, functional and / or ornamental configuration, qualitative and / or quantitative characteristics without departing from the scope of protection requested in the claims.

[037] Within this, in a realization possibility (fig.3A), the self-adhesive label for marking variable data using a laser beam, equipped with a 1-2-3 barrier, can be of the type originally supported on a support tape and protection (liner) 7. In this case, the label 1-2-3 is part of a label tape 8, composed of a succession of self-adhesive label for marking variable data using a laser beam, equipped with a 1-2-3 barrier , glued so that they can be detached from liner 7; said label tape 8 is rolled up and formed into a reel 9. Thus, in this version, each label 1-2-3 is essentially comprised from top to bottom (fig. 3 B): by barrier

Petition 870170046535, of 07/04/2017, p. 12/35 / 18 formed by: transparent barrier plastic film 4; and laser-marking adhesive layer 5-6; said label further composed of paper body / plastic film 1; and pressure sensitive adhesive layer 2, which was originally glued so that it could be detached from the release surface, silicone, of liner 7. Liner 7 can be made of siliconised paper or plastic film.

[038] In another possibility, the self-adhesive label for marking variable data using a laser beam, equipped with a 1-2-3 barrier, can be of the linerless type (figs. 4A, 4B), that is, without support tape and protection (liner). In this case, said label 1-2-3 is additionally formed by a release layer, for example silicone, transparent 10 (fig. 4 B) incorporated in the external surface of the transparent barrier plastic film 4, thus constituting a layer of barrier and 3 'transparent release. Thus, the label 1-2-3 is formed, from top to bottom, by: protection barrier and transparent release 3 ', formed by release layer, for example silicone, transparent 10; transparent barrier plastic film 4; and adhesive layer sensitive to laser marking

5-6; said label 1-2-3 further comprising body 1; and by pressure-sensitive adhesive layer 2. Body 1 additionally has a sensing mark 11 printed on the edge of the label, which assists in applying it in a manner known in the art. Thus, (Fig. 4A) the label 1-2-3 is provided in the form of a linerless label ribbon 12, comprised of a succession of labels 1-2-3, limited in relation to each other by the sensing marks 11; said tape 12 wound to form a coil 13, in which (fig. 4 B) a given loop 13 ', composed of a

Petition 870170046535, of 07/04/2017, p. 13/35 / 18 sequence of labels 1-2-3, with the pressure sensitive adhesive layer 2 glued so that it can be detached from the release layer, for example silicone, 10 from a loop immediately below 13 ”and in the release layer, for example silicone, 10 of said loop 13 'is glued so that the adhesive layer 2 of a loop immediately above 13 ”can be peeled off.

[039] All these possibilities of making the label are obtained through usual equipment of continuous type conveniently adapted formed basically: by unwinder (s) disposed (s) in the initial end of the equipment, that receives (s) the tape (s) s) material (s) from which the label tape is obtained; intermediate stations that carry out the various manufacturing steps and the opposite extreme rewinder that reels the finished label ribbon and pulls the material ribbons across the stations (not shown). [040] In another possibility, according to the present invention, the self-adhesive label for marking variable data using a laser beam, equipped with a barrier, linerless type can be obtained through a process and equipment patent objects of the same applicant filed under PI number 0902205-8.

[041] In this possibility, the label is obtained from self-adhesive tape 30-31-32, formed by (fig. 5A): paper / film tape 30, pressure sensitive adhesive layer 31 and liner 32, this formed by transparent plastic film 32 'and release layer, silicone, 32 ”.

[042] In this case, therefore, the self-adhesive label for marking variable data using a laser beam, equipped with a protection and release barrier, without support and protection tape, linerless, 32 ”-32'-5-6-30

Petition 870170046535, of 07/04/2017, p. 14/35 / 18

31, obtained by this process of the patent PI 0902205-8, is constituted, from top to bottom (fig. 5 B): by protection barrier and transparent release 3 'formed: by the release layer constituted by the silicone layer 32 ”; the barrier layer constituted by the transparent plastic film 32 ', both constituting the liner 32 of the adhesive tape 30-31-32 from which the label is obtained; and the laser-marking adhesive layer 5-6 composed of the adhesive layer 5 incorporated with laser-sensitive pigment 6; said label is further composed of paper / plastic film 30; and per layer of pressure-sensitive adhesive 31, the latter two also constituting the self-adhesive tape 30-31-32 from which the label is obtained. In this case too, the label body 30 has a sensing mark 11 printed on it.

[043] The process of obtaining the patent PI 0902205-8 mentioned above, in the present invention, is essentially understood, therefore: by providing a reel of tape of common self-adhesive material 3031-32, formed: by paper tape / plastic film 30 common, that is, without layer for laser marking; per layer of pressure sensitive adhesive 31 glued to the underside of the tape 30; and by support and protection plastic film tape, liner, 32, formed: by thin transparent plastic film 32 '; and per release layer, silicone, 32 ”, provided on one side of the film 32 'and on which it is glued so that adhesive 31 can be peeled off. Provide laminating adhesive that incorporates sensitive pigment to laser marking 5-6; said process also comprising the steps of (fig.6):

[044] 1) - Unwind the tape of self-adhesive material 30-31-32 and

Petition 870170046535, of 07/04/2017, p. 15/35 / 18 advance it through the other stations of continuous manufacturing equipment;

[045] 2) - Apply a layer of lamination adhesive incorporated with pigment sensitive to laser marking 5-6 on the tape 30 of the common adhesive tape 30-31-32, forming the first tape segment 5-6- 30-31-32 comprised of: adhesive layer sensitive to laser marking 5-6 and tape of common self-adhesive material (without laser marking substrate) 30-31-32;

[046] 3) - Outline liner 32 of the first tape segment 5-6-3031-32, forming two tape segments: second tape segment

5-6-30-31 composed of: adhesive layer sensitive to laser marking 5-6; paper tape / plastic film 30; and lower layer of pressure sensitive adhesive 31 and third segment of tape constituted by liner 32;

[047] 3.1) - Move the third segment of the tape constituted by liner 32 laterally out from under the second segment of tape 5-

6-30-31;

[048] 3.2) - Advance the third segment of the tape consisting of liner 32 to the lateral position and above the second segment of tape 5-

6-30-31 and laterally redirect the third tape segment constituted by liner 32 to the position above and parallel to said second tape segment 5-6-30-31; said third tape segment consisting of liner 32 and second tape segment 5-6-30-31 are overlapping, parallel and in that position continue to be advanced;

[049] 4) - Re-roll the third segment of the tape consisting of liner 32 on the layer of adhesive marked by laser beam 5-6 disposed on the second segment of tape 5-6-30-31, forming a

Petition 870170046535, of 07/04/2017, p. 16/35 / 18 tape 32-5-6-30-31 with self-adhesive labels for marking variable data using a laser beam, equipped with a protection and release barrier, of the type without linerless support and protection tape, composed of from top to bottom (fig. 5B): by upper protection and release barrier 3 ', comprising: release layer consisting of 32 ”silicone; barrier layer made up of plastic film 32 '; and laser-marking adhesive layer composed of adhesive layer incorporated with laser sensitive pigment 5-6; said tape further comprising a layer of paper / plastic film 30; and pressure sensitive adhesive layer 31;

[050] 5) - Rewind the tape 32-5-6-30-31 with self-adhesive labels for marking variable data using a laser beam, equipped with a protection and release barrier, of a linerless type, forming a tape reel 40.

[051] Optionally, the process can have step 2 of applying a layer of adhesive incorporated with sensitive pigment to laser marking 5-6, instead of performed on the paper / plastic film tape 30, as described above, performed on the surface of the plastic film strip 32 ', constituting the liner 32', opposite the surface containing the release layer, 32 ”silicone. In this case, step 2 of applying the adhesive layer incorporated with laser sensitive pigment 5-6 is carried out after the delamination step

3.

[052] Optionally, in any of the possibilities of making the self-adhesive label for marking variable data provided with a barrier, described above, the paper / plastic film body 1, 30 can be unprinted, “blank”, or provided with impressions with

Petition 870170046535, of 07/04/2017, p. 17/35 / 18 suitable printing ink common 50 (fig. 7) that constitute other information that in collaboration with the variable data marked by laser beams make up the information provided by the label. Said impressions with common printing ink 50 can be, for example, lines that constitute margins and / or fields in which the variable data are marked by laser beams; words that identify these fields, such as: “packaging date”, “expiration date”, “batch” and others and / or such prints 50 may constitute logos and / or other information related to the object that receives the label.

[053] When the label is of the type that contains prints with suitable common ink 50, the process object of patent PI 0902205-8, mentioned above, is added with printing step 6 on the paper / plastic film tape 30 immediately after the unwinding stage 1.

[054] Sensing marks 11 can be printed online in the label tape manufacturing process or offline.

[055] Any of the versions of the label is applied to a receiving surface by means of laser marking equipment, which can be part of other equipment, such as a scale, labeler or others and which includes an unwinding device, a marking device using laser beams, device to dispense the marked label and other usual.

[056] In a broader scope, the adhesive sensitive to laser mark 5-6, of the invention, can also be water-based adhesive, adhesive with UV drying or hotmelt and other solvent formulations.

Petition 870170046535, of 07/04/2017, p. 18/35 / 18 [057] Within this, the laser-sensitive marking sensitive adhesive 5-6 of the invention can comprise:

[058] - Adhesives of the PVA family with dry tack used in the lamination of paper / plastic, such as, for example, Cola BR2004 ® manufacturer Quimicryl ®; Epotal CF-129X ® manufacturer Basf ® or similar.

[059] - Adhesives of the UV family composed of monomers and oligomers acrylates and / or methacrylates, with dry tack or permanent tack used in the lamination of paper / plastic or plastic / plastic: Lacquer BR 058521, manufacturer SICPA ®; UV TPL adhesive, Canopus ® manufacturer; Lake Ribbon Resin UV adhesive, Actega ® manufacturer; UV adhesive 60BR, manufacturer Huber Group ^® ; acrylates and methacrylates PRO 13800 line; manufacturer Sartomer ® or similar.

[060] - Water based acrylic family adhesives: BCR 467, manufacturer BASF ®; BCR 444 manufacturer BASF ®; Fortcryl 8215, manufacturer Osvaldo Cruz; Fortcryl 8230, manufacturer Osvaldo Cruz; Aquence 608032, Henkel ® manufacturer; 433 manufacturer Brancotex ® or similar.

[061] - Adhesives of the rubber based family: The 770-7 manufacturer Novelprint ®; The 752-3 manufacturer Novelprint ®; PS 4233, Technomelt ® manufacturer.

[062] - Solvent Lamination type adhesives, dry tack: Liofol LA 393, manufacturer Henkel ®; Liofol LA 3750, Henkel ® manufacturer; Colflex LG 59A, manufacturer Bostik ^® ; Plexbond SB104 manufacturer HB Fuller ^® or similar.

[063] - Merck ® laser marking pigment: Iriotec ® line 8000 or similar.

[064] - Clariant ® laser marking pigment: TAR 606 329; TAR 606 330 or similar.

Petition 870170046535, of 07/04/2017, p. 19/35 / 18 [065] - Pigment for marking via Fuji ® laser beam: FHUS LMC 440 or similar.

[066] - Pigment for marking via laser beam from Siegwerk ®: Laser Sensitive Ink 62-LS or similar.

[067] Finally, the present invention can, in essence, cover any adhesive that serves to laminate the transparent plastic film 4 that constitutes the protective barrier disposed on the front of paper or plastic 1, in which light-sensitive pigments can be incorporated laser.

[068] Nomenclature [069] 1-2-3 - Label for marking through variable data laser beams with protective barrier [070] 1 - Paper or plastic film label body [071] 2 - Sensitive adhesive layer pressure, PSA [072] 3 or 3 '- Protection barrier [073] 4 - Transparent barrier plastic film [074] 5 - Lamination adhesive layer [075] 6 - Laser sensitive pigment [076] 5- 6 - Embedded adhesive with laser sensitive pigment [077] 7 - Support and protection tape (liner) [078] 8 - Label tape [079] 9 - Coil [080] 10 - Release layer, for example silicone, [081] 11 - Sensing mark [082] 13 - Linerless label ribbon coil [083] 13 '- Linerless label coil loop [084] 13' '- Lower loop of linerless label coil [085] 13' '' - Top loop of linerless label coil

Petition 870170046535, of 07/04/2017, p. 20/35 / 18 [086] 30-31-32 Self-adhesive tape [087] 30- Paper / film tape [088] 31 - Pressure sensitive adhesive layer [089] 32 - Liner [090] 32 '- Plastic film 32 '(from liner 32) [091] 32 ”- Release layer, silicone (from liner 32) [092] 32” -32'-5-6-30-31 - Self-adhesive label for laser marking variable data, equipped with protection and release barrier, without support and protection tape, linerless, [093] 5-6 -30-31-32 - First tape segment [094] 5-6 -30-31 - Second tape segment [095] 32 - Third tape segment [096] 32-5-6-30-31 - Self-adhesive label tape for marking using variable data laser beams, equipped with a protection and release barrier, type without support and protection tape (linerless) [097] 40 - Coil (of self-adhesive label tape for marking through variable data laser beams, equipped with a protection and release barrier, of the type without support and protection tape) section 32-5-6-30-31) [098] 50 - Impressions with suitable common printing ink.

Claims (16)

1) "IMPROVEMENT IN SELF-ADHESIVE LABEL FOR MARKING VARIABLE DATA THROUGH LASER RAY, PROTECTED WITH A PROTECTIVE BARRIER", comprising: by paper or plastic film label body (1); per layer of pressure sensitive adhesive (2), on the underside of the body (1); by protective barrier (3), on the upper body (1), formed by transparent plastic barrier film (4); and by laminating adhesive layer (5), which joins the plastic film (4) to the body (1); and by the laser marking sensitive layer, characterized by the laser marking sensitive layer being comprised of the laminating adhesive layer (5), incorporated with pigment (s) marked by laser beam (6) , thus constituting a layer of adhesive marked by laser beam (5) - (6); said self-adhesive label for marking variable data using a laser beam, equipped with a barrier (1) - (2) - (3) being understood: by an upper barrier (3) composed of transparent plastic film (4) and a layer of marking adhesive through laser beam (5) - (6); said label (1) - (2) - (3) further formed: by a paper / plastic film body (1), on which the adhesive layer marked by laser beam (5) - (6) is adhered; and per layer of pressure sensitive adhesive (2) adhered under the paper / plastic film body (1). 2) "IMPROVEMENT IN SELF-ADHESIVE LABEL FOR MARKING VARIABLE DATA THROUGH LASER RAY, PROTECTED WITH A PROTECTION BARRIER", according to claim 1, characterized by being of a type originally supported on support and protection tape, liner, (7) ; said label understood, in Petition 870170046535, of 07/04/2017, p. 22/35 2/5 top to bottom, by: transparent barrier plastic film (4); adhesive layer marked by laser beam (5) - (6); body (1); and a pressure sensitive adhesive layer (2), which is originally glued so that it is detached from the support and protection tape, liner, (7). 3) “IMPROVEMENT IN SELF-ADHESIVE LABEL FOR MARKING VARIABLE DATA THROUGH LASER RAY, PROVIDED WITH A PROTECTIVE BARRIER”, according to claim 1, characterized by being of a type without support and protection tape (linerless) additionally provided with a layer of release, silicone, (10) on the outer surface of the transparent barrier plastic film (4), thus constituting a protective and release barrier layer (3) '; said label (1) - (2) - (3), composed, from top to bottom: by protection barrier and transparent release (3) ', composed by: release layer, silicone, (10); transparent barrier plastic film (4); adhesive layer for laser marking (5) - (6); said label (1) - (2) - (3) further comprising: body (1); and pressure sensitive adhesive layer (2); said body (1) provided with a sensing mark (11). 4) "IMPROVEMENT IN SELF-ADHESIVE LABEL FOR MARKING VARIABLE DATA THROUGH LASER RAY, PROTECTED WITH A PROTECTION BARRIER", according to claims 1 and 3 and of a type without linerless support and protection tape, characterized by being obtained from of self-adhesive tape (30) (31) - (32), formed by paper / film tape (30), pressure sensitive adhesive layer (31) and liner (32), this formed by transparent plastic film (32 ) 'and release layer, silicone, (32) ”; said au label Petition 870170046535, of 07/04/2017, p. 23/35 3/5 adhesive tape for marking variable data using a laser beam, equipped with a protection and release barrier, without support and protection tape, linerless, (32) "- (32) '- (5) - (6) - ( 30) - (31) constituted, from top to bottom: by protection barrier and transparent release (3) 'composed by the release layer constituted by the silicone layer (32) ”; and the barrier layer constituted by the transparent plastic film (32) ', both constituting the liner (32) of the adhesive tape (30) (31) - (32) from which the label is obtained; said layer of protection barrier and transparent release (3) 'further comprising the layer of adhesive incorporated with pigment sensitive to laser marking (5) - (6); said label (32) ”- (32) '- (5) - (6) - (30) - (31) composed of a paper / plastic film body (30); and per layer of pressure sensitive adhesive, (31), these last two also constituting the adhesive tape (30) - (31) - (32) from which the label is obtained; said label body (30) has a sensing mark (11) printed on it. 5) “IMPROVEMENT IN SELF-ADHESIVE LABEL FOR MARKING VARIABLE DATA THROUGH LASER RAY, PROTECTED BY PROTECTION BARRIER”, according to claim 1 or 2 or 3 or 4, characterized by, optionally, the paper / plastic film body ( 1), (30) may be unprinted, “blank”, or be provided with impressions with common suitable printing ink (50) that constitute other information that in collaboration with the variable data marked by laser beam make up the information provided by the label. 6) “LASER MARKING SENSITIVE ADHESIVE”, which comprises a layer of laser-marking adhesive (5) - (6) of the label of claims 1 to 5, characterized by an acrylic based adhesive, Petition 870170046535, of 07/04/2017, p. 24/35 4/5 polyurethane based, rubber based, type applied via solvent, via water, via UV, type of permanent tack (PSA) or dry tack; and by organic or inorganic pigments marked with a laser beam (6) selected from: Titanium Dioxide, Bismuth Trioxide, Calcium Carbonate, Antimony Oxide, Mica, Tin Oxide or a mixture of some of these ingredients. 7) "LASER MARKING SENSITIVE ADHESIVE", according to claim 6, characterized by the pigment sensitive to laser marking (6) being incorporated into the adhesive (5) in the proportion between 1% to 20%. 8) "LASER RAY SENSITIVE ADHESIVE", according to claims 6 and 7, characterized by Polyurethane based adhesive in the range of 70% to 95%; Laser sensitive pigment in the range of 1% to 20%; and Bismuth Oxide Pigment in the range of 0.1% to 10%, with the function of enhancing laser marking. 9) "LASER RAY SENSITIVE ADHESIVE", according to any one of claims 6 to 8, characterized by an acrylic-based, polyurethane-based or rubber-based adhesive, of the type applied via solvent, via water, via UV, tack type (PSA) or dry tack. 10) "LASER RAY SENSITIVE ADHESIVE", according to any one of claims 6 to 8, characterized by mono or bi-component adhesive, applied via solvent, via water, via UV, of the type of dry tack. 11) “LASER RAY SENSITIVE ADHESIVE”, according to any one of claims 6 to 8, characterized by a PVA family adhesive with dry tack. Petition 870170046535, of 07/04/2017, p. 25/35 5/5 12) "LASER RAY SENSITIVE ADHESIVE" according to any one of claims 6 to 8, characterized by adhesives of the UV family composed of acrylate and / or methacrylate monomers and oligomers, with dry tack or permanent tack. 13) "LASER RAY SENSITIVE ADHESIVE", according to any of claims 6 to 8, characterized by Adhesives of the water-based acrylic family. 14) "LASER RAY SENSITIVE ADHESIVE" according to any one of claims 6 to 8, characterized by Solvent Lamination type adhesives, dry tack. 15) "LASER RAY SENSITIVE ADHESIVE", according to any one of claims 6 to 8, characterized by a pigment that has a particle size of 80% less than 1 micron, or that is nanomaterial below 100nm. 16) "LASER RAY SENSITIVE ADHESIVE" according to any one of claims 6 to 15, characterized in that it is applied to compose a layer of 1 to 20 g / m ² on the paper / plastic film body (1), ( 30) constitutive of the label.