JP2008158262A - Label - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a label that is hardly peeled off even when the label is stuck across a plurality of faces of an object to be stuck in a polyhedral form. <P>SOLUTION: The label, which is be stuck to an object to be stuck in a polyhedral form with an adhesive across a ridge line of the object, comprises a display layer 3 in the surface side of the label 1 and a base layer 7 in the back side, wherein notches 10 are provided at folding portions 12 to be located on the ridge line of the base layer. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a label for displaying a trade name, a trademark, and the like, and more particularly, to a label attached across two adjacent surfaces of a polyhedral container or the like.

  Conventionally, in order to post product information (product name, logo mark, etc.) to consumers, in addition to printing this product information directly on the product, a label with product information printed or printed on the product A method of attaching to a container or the like is generally performed. Such an affixing type label is usually one in which an adhesive is provided on the back surface of a label on which desired printing has been performed, and is affixed to an object to be adhered.

  In addition, the materials and shapes of the objects to be attached vary, for example, cylindrical glass bottles such as beer bottles, square glass bottles that contain coffee beans, plastic materials such as plastic bottles, and metals such as can juice. There are also.

  Furthermore, such an object to be stuck may be exposed to various environments. For example, being exposed to sunlight outdoors or being placed in a cool and dark environment such as a refrigerator.

In order to improve the adhesiveness of a label to be attached to such various objects to be adhered or the environment where the object is placed, improvement of the adhesive has been made. (For example, Patent Document 1)
JP 2001-040313 A

  However, the label using such an adhesive also has the following problems.

  It aims at visual effects for sales promotion, etc., so that the label can be viewed from multiple directions rather than when the label is affixed to only one plane. In many cases, a label is pasted across the screen.

  In such a folded and pasted label, as the drying after the pasting progresses, the strength (restoration) of the folded portion to return to the original shape due to the rigidity of the label material, so-called stiffness. There is a problem that the edge of the label is peeled off due to this force, and the present situation is that there is a higher probability that the label will peel off compared to a label that is actually affixed to one plane.

  Therefore, the present invention has been made in view of the above-described problems, and an object of the present invention is to provide a label that does not easily peel off even when pasted across a plurality of surfaces.

  In order to achieve the above object, a label according to the present invention is a label that is affixed to a polyhedral object to be adhered via an adhesive and is affixed across the ridge line part of the object to be adhered, A front-side display layer and a back-side base material layer are provided, and a cut is provided in a bent portion located on the ridge line portion of the base material layer.

  According to such a configuration, it is possible to eliminate the stress due to the rigidity of the label generated in the bent portion, that is, it is possible to remove the stiffness of the label. Therefore, even if this label is affixed across the ridge line portion of the polyhedral object to be adhered, it does not peel off from the end of the label.

  Further, from the viewpoint of versatility and cost, the base material layer of the label according to the present invention may include an adhesive layer in contact with the back surface of the display layer, and a paper material layer bonded to the display layer through the adhesive layer. preferable.

  Furthermore, from the viewpoint of display function and design, the display layer of the label according to the present invention preferably includes a printing layer, a plastic layer, and a metallic gloss layer.

  Still further, the notch of the label according to the present invention may be perforated.

  Furthermore, it is desirable that the depth of cut of the label according to the present invention reaches the adhesive layer.

  According to such a configuration, it is possible to reliably eliminate stress at the bent portion of the base material layer. Therefore, it is possible to provide a label that does not peel off from the end.

  In order to achieve the above object, a label according to the present invention is a label that is affixed to a polyhedral object to be adhered via an adhesive, and is affixed across the ridge line part of the object to be adhered, A fold is provided in the bent portion located on the ridge line portion.

  According to such a configuration, it is possible to reduce the stress due to the rigidity of the label generated at the bent portion, that is, it is possible to reduce the stiffness of the label. Therefore, even if this label is affixed across the ridge line portion of the polyhedral object to be adhered, it does not peel off from the end of the label.

  In addition, from the viewpoint of versatility and cost, the label according to the present invention includes a display layer on the front surface side of this label and a base material layer on the back surface side, and the base material layer has an adhesive layer in contact with the back surface of the display layer, It is preferable to provide a paper material layer bonded to the display layer through the adhesive layer.

  Furthermore, from the viewpoint of display function and design, the display layer of the label according to the present invention preferably includes a printing layer, a plastic layer, and a metallic gloss layer.

  The crease may be perforated.

  According to the label of the present invention, it is possible to provide a label that does not easily peel off even when pasted across a plurality of adjacent surfaces.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. First, the display label which is 1st Embodiment of this invention is demonstrated. FIG. 1 is a perspective view showing an appearance of a state in which a display label according to a first embodiment of the present invention is attached to a glass container. FIG. 2 is a cross-sectional view in a top view of a state in which the display label according to the present embodiment is attached to a glass container. FIG. 3 is an enlarged cross-sectional view showing the laminated structure of the display label according to the present embodiment. FIG. 4 is a schematic cross-sectional view of the display label of the present embodiment. FIG. 5 is a cross-sectional view showing the difference in restoring force depending on the cutting position in the display label according to the present embodiment.

  As shown in FIG. 1, the display label 1 of the present embodiment is attached to a glass container 2 for storing products (such as coffee beans). This display label 1 clearly indicates the product name, the brand name of the product, and the like.

  Moreover, the display label 1 of this embodiment is stuck over three planes of the front surface 2a and the associate side surfaces 2b and 2b in the octagonal glass container 2 in a top view as shown in FIG. According to such a configuration, it is possible to visually recognize the display label 1 not only from the front side of the product but also from the side surface direction, and a visual effect on the consumer can be expected.

  Furthermore, as shown in FIG. 3, the display label 1 of the present embodiment includes a printed layer 4 as a display layer 3, a PET (polyethylene terephthalate) layer 5 (plastic layer), and an aluminum layer 6 (metal) from the display surface side. Glossy layer), and an adhesive layer 8 as a base material layer 7 and a paper material layer 9 are laminated. Below, each component of the display label 1 is each described.

  The thickness of the PET layer 5 in the present embodiment is preferably about 9 to 25 micrometers. If it is 9 micrometers or less, it will be unstable in the printing process mentioned later and the lamination process with another layer, and will cause a fracture | rupture and a deformation | transformation. In addition, since the rigidity is high at 25 micrometers or more, the flexibility is not excellent, and the property of maintaining the folded position and shape, that is, the so-called deadfold property is hardly exhibited. PET is also suitable as a printing layer of the display label 1 because it is excellent in printability as a material and has a glossy surface.

  On the surface of the PET layer 5, desired display contents such as the product name and brand name of this product are printed (this is referred to as a printing layer 4). Printing can be carried out by a rotary printing machine for gravure printing, silk screen printing or flexographic printing suitable for thin plastic films and lamination processes.

  In gravure printing, a printing plate, which is a so-called plate cylinder, in which minute concave cells are provided on the surface of the roller, is immersed in gravure ink. Gravure ink has its own viscosity and surface in the cell. Adsorbed by tension. Then, excess ink is removed by a flat plate called a doctor blade, and then the printing material is sandwiched between the plate cylinder and another roller (impression cylinder) to transfer the ink adsorbed on the cell. Printing using this cylindrical roller, so-called rotary printing, is suitable for mass printing.

  Here, the gravure ink is composed of a resin, a solvent, a colorant, and an auxiliary agent, and the general blending ratio is as follows. The resin is 15 to 25%, the solvent is 40 to 70%, the colorant is 5 to 50%, and the auxiliary agent is 1 to 5%.

  The resin is dissolved in a solvent and functions as a film after the colorant adheres to the printing material from the plate cylinder. Toluene and the like are mainly used as a solvent for dissolving the resin so that it can be printed and for adjusting the degree of drying and the drying speed of the gravure ink. In other words, when it is desired to dry quickly in order to eliminate bleeding after printing, the one having a low boiling point is used. On the other hand, when blurring of printing becomes a problem, a solvent having a high boiling point is mixed to delay drying. As the colorant, a pigment type that does not dissolve in the solvent is used. The auxiliary agent is an additive for improving physical or chemical stability and printability, and includes a stabilizer, an antioxidant, an antistatic agent and the like.

  The aluminum layer 6 in this embodiment is formed by vacuum-depositing aluminum on the back surface of the PET layer 5. In this aluminum deposition, an object to be deposited (PET in this embodiment) and high-purity aluminum are placed in a chamber, and the chamber is brought into a high vacuum state. Thereafter, the aluminum is heated and vaporized by electron beam irradiation or resistance wire energization, and the vaporized aluminum reaches the surface of the deposition object and is cooled and deposited. In this way, a uniform and extremely thin aluminum layer 6 is formed on the surface of the deposition object. The surface of the aluminum layer 6 formed by vacuum deposition has a very good metallic luster.

Moreover, you may use the aluminum foil formed previously for the aluminum layer 6. FIG. When using an aluminum foil, this aluminum foil is adhered to the PET layer 5 with an adhesive.
In addition to aluminum, the metallic luster layer may be a vapor deposition layer using gold, silver, copper, or tin, or a foil made of silver, copper, or tin.

  To summarize the above configuration, the print layer 4 is formed on the outermost surface on the display surface side, and the aluminum layer 6 is provided under the print layer 4 via the transparent PET layer 5. . Therefore, when the printing layer 4 is transparent or translucent, the aluminum layer 6 can be seen from the display surface side through the PET layer 5, and the transparent or translucent portion of the printed layer 4 has a metallic luster. It becomes possible to make it. Due to this metallic luster, the display label 1 can effectively show the presence of the product.

Next, the base material layer 7 will be described. As shown in FIG. 3, the base material layer 7 includes an adhesive layer 8 and a paper material layer 9. In consideration of the rigidity of the display label 1, the paper material layer 9 of the present embodiment has a basis weight of about 35 to 150 g / m ² . The adhesive layer 8 uses a polyester adhesive or a polyether adhesive and adheres the paper material layer 9 and the aluminum layer 6 by a dry lamination method.

  The dry lamination method includes a general method of diluting an adhesive with an organic solvent and a solventless type in which an adhesive is applied after adjusting to an appropriate viscosity by heating without using an organic solvent. A method of diluting with an organic solvent is used. According to this dry lamination method, the adhesive strength after bonding is strong, and the chemical resistance, water resistance, oil resistance, and mass productivity are also excellent.

  Further, the base material layer 7 is provided with cuts 10 (in this embodiment, two are provided symmetrically as shown in FIG. 4, but only one is enlarged in FIG. Illustrated). The tip (depth) of the notch 10 in the display label 1 of the present embodiment is formed so as to reach the adhesive layer 8 from the back surface of the display label 1.

  Thus, if the notch 10 that reaches the adhesive layer from the back surface is provided and the notch 10 is not provided in the display layer 3, the rigidity of the base material layer 7 can be reduced most effectively, and PET Since the layer 5 is maintained, the display label 1 is not broken in the manufacturing process or the attaching process. Moreover, since the display layer 3 is not affected, the performance as the display label 1 can be maintained.

  Moreover, as shown in FIGS. 2 and 4, the notches 10 and 10 are positioned in advance so as to be positioned at the ridge lines 2 c and 2 c of the glass container 2 when the display label 1 is attached to the glass container 2. Is identified and formed. Therefore, the first region 1a of the display label 1 is affixed to the front surface 2a of the glass container 2, and the notches 10 and 10 (folding positions 12 and 12) of the display label 1 are bent on the ridge lines 2c and 2c, The second regions 1b and 1b are affixed to the associate side surfaces 2b and 2b.

  As described above, by providing the notches 10 and 10 at the folding position 12 of the display label 1, the rigidity of the base material layer 7 (mainly, the rigidity of the paper material) can be reduced or eliminated. Therefore, the first region 1a and the second region 1b, 1b of the display label 1 loses the restoring force to return to the initial parallel position, and after being attached to the glass container 1, the end 11, 11 can be solved.

  Here, as shown in FIGS. 5A to 5C, suppose that the position of the notch 10 is not located on the ridge line portion 2c, or is located on the ridge line portion 2c and other portions. . The stress generated at the folding position 12 is transmitted to the paper material layer 9 at a place other than the folding position 12 and is restored to the restoring force (the force for the first region 1a and the second region 1b to return to the initial parallel positional relationship). This restoring force is alleviated by the stretchability of the material as it moves away from the folding position. In other words, the restoring force due to the rigidity of the paper material layer 9 becomes stronger as the folding position 12 is approached.

  As a first example, consider a case where a cut 10a is formed at a position from the end portion 11 away from the bending position 12 as shown in FIG. In this case, no restoring force is applied to the end portion 11, but a restoring force stronger than the restoring force originally applied to the end portion 11 is applied to the position of the cut 10a, which is not preferable.

  Next, as shown in FIG. 5B, a case where the cut 10b is formed at a position away from the bending position 12 in the direction opposite to the end 11 (near the center of the first region 1a in FIG. 4). Think. In this case, the restoring force of the end 11 is not lost, which is not preferable.

  Finally, as shown in FIG. 5C, let us consider a case where notches are provided in the positions shown in FIGS. 5A and 5B in addition to the bending position 12. In this case, since the stress of the paper material layer 9 has already been erased by the notch 10 at the folding position 12, the other notches 10a and 10b are not mechanically meaningful and require unnecessary manufacturing costs. Become.

  Therefore, in the display label 1 that is pasted across two connected polyhedral-shaped surfaces, it is most preferable to provide the notch 10 in the base material layer 7 only at the bent portion 12 (the portion located on the ridge line portion 2c). Efficient.

  However, when a plurality of cuts 10 are provided in the same manner, it is useful when provided as follows. That is, in the process of attaching the display label 1, the attaching position may be shifted by, for example, about 1 mm due to the accuracy of the attaching machine. Therefore, when the width of the ridge line portion 2c (the length in the direction perpendicular to the line of intersection of the two surfaces) is narrow, the portion located on the ridge line portion 2c of the display label 1 is located close to the center ( For example, a plurality of cuts 10 may be provided (between about ± 1 mm centered on a position designed to be located on the intersection of two surfaces). If it does in this way, even when the sticking position shift | offset | difference arises by the problem of the precision of a machine, it becomes possible to position the notch 10 after sticking on the ridgeline part 2c.

  Next, a procedure for producing the display label 1 of the present embodiment will be briefly described. First, a desired character, pattern, pattern, or the like is printed on the surface of the PET layer 5 by rotary printing (in this embodiment, gravure printing is preferable). Next, aluminum is vapor-deposited on the back surface of the PET layer 5. Thereafter, the paper substrate 9 is bonded to the back surface of the aluminum layer 6 with an adhesive. Finally, the incision 10 can be produced by passing between a pair of rollers such that a blade of a predetermined size is formed without a break in the outer peripheral surface of one of the rollers.

  Further, the display label 1 and the glass container 2 are bonded using an aqueous (emulsion type) paste. This glue is applied to the entire back surface of the display label 1 and pressed against the glass container 2 to be brought into close contact therewith. At this time, the display label 1 is bonded in order from the end portion 11 or the central portion so that no bubbles remain between the display label 1 and the glass container 2.

  Next, a second embodiment of the present invention will be described with reference to FIG. FIG. 6 is a cross-sectional view showing the laminated structure of the display label 21 of this embodiment.

  In the first embodiment, printing is performed on the front surface side of the PET layer 5, whereas in this embodiment, printing is performed on the back surface of the PET layer 24 as shown in FIG. The aluminum layer 26 is provided in the structure.

  In this case, since the outermost surface layer is the PET layer 24, the printed layer 25 can be protected. Here, in the case where the cut 10 is provided as in the first embodiment, as described above, a high technical skill for controlling the depth of the cut 10 is required. Since the printed layer 25 is located on the back surface of the PET layer 24 and the aluminum layer 26 is formed very thin, the printed layer 25 may be damaged if the cut 10 is too deep. Moreover, since the thickness of the printing layer 25 is not uniform, the same possibility is difficult.

  Therefore, in this embodiment, a fold line 30 is provided instead of the notch 10 of the first embodiment as an embodiment suitable for a label having such a laminated structure. The crease 30 specifies in advance a portion located on the ridge line portion 12c in the polyhedral object to be pasted, and the crease 30 is provided in the portion by a pressing die. The method of forming the folds by this pressing die is the same method as so-called embossing. That is, of the pair of rollers, one of the rollers is provided with a V-shaped convex portion (pushing die), and the other roller has a rubber-like surface and has elasticity. The fold line 30 is formed by passing the display label 21 between the pair of rollers.

  According to such a configuration, the fiber of the paper material layer 29 is broken by the crease 30. That is, the stiffness of the base material layer 27 is dropped, and the restoring force as described above is reduced. Accordingly, it is possible to prevent the display label 21 from being peeled off from the end portion (not shown) after being attached to the glass container 2.

  Further, even if the display label 21 is a conventional display label in which the fold line 30 is provided in advance, the display label 21 is necessarily bent by being attached to the glass container 2. However, the actual glass container 2 often has a rounded ridgeline portion 2c, and even if the fibers of the paper material layer 29 are not broken or have a perfect square shape, depending on the angle. In many cases, the angle is insufficient for removing the stiffness of the base material layer 27.

  Therefore, it is important to securely remove the stiffness of the base material layer 27 in advance as in this embodiment, and it is desirable that the angle of the apex of the pressing die be as acute as possible.

  In this way, there is no need for technical ability to adjust the depth of the notch 10 in the first embodiment, and it can be manufactured relatively easily.

  Alternatively, the fold line 30 may be formed by simply folding it in half.

  In addition, the present invention is not limited to the above embodiments, and various modifications can be made without departing from the spirit of the present invention.

  For example, a coat layer may be provided on the surface side of the print layer 4 in the first embodiment. This coating layer can protect the printing layer 4 and provide a smooth surface.

  Further, the cut 10 in the first embodiment may be perforated (however, the depth of the perforation is up to the adhesive layer 8 as in the case of the cut 10). This can be formed by changing the blade formed on the outer peripheral surface of the roller used to form the notch 10 in the first embodiment into a shape protruding intermittently.

  Further, the depth of the notch 10 does not have to reach the adhesive layer 8.

  Further, for example, when the ridge line portion 2c connecting two surfaces of the object to be pasted is rounded with a relatively low curvature, that is, when the ridge line portion 2c is a curved surface having a relatively long width, the first implementation is performed. A plurality of the cuts 10 in the form and the folds 30 in the second embodiment may be provided on one ridge line part 2c. In such a case, as shown in FIG. 7, it is desirable to provide a configuration in which cuts 10 are respectively provided on the end portions 2d and 2d of the ridge line portion 2c. This makes it possible to efficiently reduce the restoring force applied to the end portion 11 even if the ridge line portion 2c has a rounded shape with a relatively low curvature.

These are perspective views which show the external appearance of the state which affixed the display label which is 1st Embodiment of this invention on the glass container. These are sectional drawings in the top view of the state which stuck the display label which is 1st Embodiment to the glass container. These are the expanded sectional views which show the laminated structure of the display label which is 1st Embodiment. These are the cross-sectional schematics of the display label which is 1st Embodiment. These are sectional drawings which show the difference in the restoring force by the position of the notch in the display label which is 1st Embodiment. These are the expanded sectional views which show the laminated structure of the display label of 2nd Embodiment of this invention. These are the expanded sectional views which show the state which affixed the modification of the display label of 1st Embodiment on the glass container.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Display label 1a 1st area | region 1b 2nd area | region 2 Glass container 2a Front surface 2b Associate side surface 2c Edge line part 3 Display layer 4 Print layer 5 PET layer 6 Aluminum layer 7 Base material layer 8 Adhesive layer 9 Paper material layer 10 Cut 11 End part 12 Bending position

Claims (10)

Affixed to the polyhedron-shaped object to be adhered via an adhesive, and a label that is affixed across the ridge line part of the object to be adhered,
The label includes a display layer on the front side of the label and a base material layer on the back side,
The label characterized by the notch | incision being provided in the bending part located on the said ridgeline part of the said base material layer.   The label according to claim 1, wherein the base material layer includes an adhesive layer in contact with a back surface of the display layer, and a paper material layer bonded to the display layer through the adhesive layer.   The label according to claim 1, wherein the display layer includes a printed layer, a plastic layer, and a metallic luster layer.   The label according to any one of claims 1 to 3, wherein the cut is perforated.   The label according to any one of claims 2 to 4, wherein a depth of the cut reaches the adhesive layer. Affixed to the polyhedron-shaped object to be adhered via an adhesive, and a label that is affixed across the ridge line part of the object to be adhered,
A fold is provided in a bent portion located on the ridge line portion of the label.   The label according to claim 6, wherein the label includes a display layer on a front surface side of the label and a base material layer on a back surface side.   The label according to claim 6 or 7, wherein the base material layer includes an adhesive layer in contact with the back surface of the display layer, and a paper material layer bonded to the display layer through the adhesive layer. .   The label according to any one of claims 6 to 8, wherein the display layer includes a printed layer, a plastic layer, and a metallic luster layer.   The label according to any one of claims 6 to 9, wherein the fold is perforated.

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