JP6093972B2 - Cylindrical shrink label, labeled container, and manufacturing method of labeled container - Google Patents

Description

  The present invention relates to a cylindrical shrink label, a labeled container to which the label is attached, and a method for manufacturing a labeled container.

  Shrink labels can be mounted following the shape of the container by heat shrinkage, and are widely used for containers filled with various beverages, foods, toiletry products, and the like. The shrink label is attached to the container, for example, by forming the shrink label into a cylindrical body and then fitting the cylindrical body into the container, and then performing heat treatment at the heat shrink temperature of the label (for example, Patent Document 1).

JP 2005-148331 A

  By the way, the cylindrical shrink label is externally fitted so as to cover the outer peripheral surface of the container, and is thermally contracted in a state in which the axial end portion of the label extends at least beyond the position of the upper surface or the lower surface of the container. In some cases, the outer peripheral surface and at least the upper surface of the container or the peripheral edge of the lower surface are covered. In this case, as shown in FIG. 13, in the heat shrinking process of the label 100 which is a conventional cylindrical shrink label, the bending 101 may occur in a part of the portion covering the peripheral edge of the upper surface 24 of the container. In order to mount the label 100 so as to follow the shape of the upper surface 24, particularly large shrinkage is required at the portion where the deflection 101 occurs, but since the label 100 has a shrinkage limit, this portion is the target. May not shrink to level. And as shown in FIG. 14, the part which was not able to shrink | contract becomes the processus | protrusion 102 which protruded on the upper surface 24, and becomes a label mounting form with a bad appearance. Moreover, since the protrusion 102 is harder than other portions, there is also a problem that the touch becomes worse. Such a phenomenon is called cornering. That is, an object of the present invention is to suppress the occurrence of this cornering.

The labeled container according to the present invention includes a cylindrical shrink label formed into a cylindrical body in which the main shrinkage direction of the label base material is a circumferential direction , an outer peripheral surface, an upper surface, and a lower surface, and the cylindrical shrink label is and a loaded container, the tubular shrink label is a labeled container having a peripheral covering portion for covering the outer peripheral surface and at least the upper surface or the lower surface of the peripheral edge of the container, the tubular shrink label A cutout is formed in the peripheral covering portion, and the cutout of the cylindrical shrink label corresponds to a portion having a maximum curvature at a boundary portion between at least the outer peripheral surface and the upper surface or the lower surface. It is characterized by being arranged.
Or the container with a label which concerns on this invention contains the cylindrical shrink label shape | molded by the cylindrical body from which the main shrinkage | contraction direction of a label base material turns into a circumferential direction, an outer peripheral surface, an upper surface, and a lower surface, The said cylindrical shrink A container with a label, wherein the cylindrical shrink label has a peripheral covering portion that covers at least a peripheral edge of the upper surface or the lower surface of the container, and the peripheral covering of the cylindrical shrink label A cutout is formed in the portion, and the cutout of the cylindrical shrink label is disposed at a portion where the amount of heat shrinkage required at least when the cutout is not present is maximized. And
Or the container with a label which concerns on this invention contains the cylindrical shrink label shape | molded by the cylindrical body from which the main shrinkage | contraction direction of a label base material turns into a circumferential direction, an outer peripheral surface, an upper surface, and a lower surface, The said cylindrical shrink A container with a label, wherein the cylindrical shrink label has a peripheral covering portion that covers the outer peripheral surface of the container and at least the peripheral edge of the upper surface or the lower surface, and the cylindrical shrink label A cutout is formed in the peripheral covering portion, and at least the upper surface or the lower surface of the container has a shape extending in one direction longer than the other direction, and the cylindrical shrink label has the shape The notch is arranged at least in a portion located in the vicinity of the end portion in the longitudinal direction of the upper surface or the lower surface.

  According to the above-mentioned container with a label, it is possible to obtain a good label mounting form without standing. For example, at the portion where the curvature of the boundary portion between the outer peripheral surface and the upper surface or the lower surface is the maximum, the label covering portion is likely to bend during the heat shrinkage process, and is greatly contracted to follow the container shape. Need. Therefore, the occurrence of cornering can be prevented by arranging a notch in such a portion.

  In the labeled container according to the present invention, the container has a body part in which a neck part having a reduced diameter is formed, and a cap part attached to the neck part, and the cap part is filled in the body part. A nozzle head that ejects the content liquid; and a lever that extends from the nozzle head to the body side, and the cylindrical shrink label is attached so as to cover the periphery of the upper surface of the nozzle head. Can do.

The method for manufacturing a labeled container according to the present invention is to form a cylindrical body in which the main shrinkage direction of the label base material is a circumferential direction, form a notch in the label base material, and A method of manufacturing a labeled container using a cylindrical shrink label in which at least a part of an end is recessed, wherein the cylindrical shrink label is externally fitted to the container so as to cover an outer peripheral surface of the container, and the label The tube so that the outer peripheral surface of the container and at least the peripheral edge of the upper surface of the container or the lower surface of the container are covered by heat shrinking in a state where the end in the axial direction extends at least beyond the position of the upper surface of the container or the lower surface of the container. A mounting step of mounting the cylindrical shrink label on the container, and in the mounting step, the notch of the cylindrical shrink label is at least a boundary portion between the outer peripheral surface and the upper surface or the lower surface. Curvature, characterized in that disposed in the portion of maximum to thermal shrinkage in.
Or the manufacturing method of the labeled container which concerns on this invention shape | molds the cylindrical body from which the main shrinkage | contraction direction of a label base material turns into a circumferential direction, forms a notch in the said label base material, A method for manufacturing a labeled container using a cylindrical shrink label in which at least a part of an axial end portion is recessed, wherein the cylindrical shrink label is externally fitted to the container so as to cover an outer peripheral surface of the container, and the label So that the outer peripheral surface of the container and at least the peripheral surface of the upper surface of the container or the lower surface of the container are covered by heat shrinking in a state where the axial end portion extends beyond the position of at least the upper surface of the container or the lower surface of the container. A mounting step of mounting the cylindrical shrink label on the container, and in the mounting step, the notch of the cylindrical shrink label is required at least when the notch is not present. Contraction amount is characterized in that disposed in the portion of maximum to thermal shrinkage.
Or the manufacturing method of the labeled container which concerns on this invention shape | molds the cylindrical body from which the main shrinkage | contraction direction of a label base material turns into a circumferential direction, forms a notch in the said label base material, A method for manufacturing a labeled container using a cylindrical shrink label in which at least a part of an axial end portion is recessed, wherein the cylindrical shrink label is externally fitted to the container so as to cover an outer peripheral surface of the container, and the label So that the outer peripheral surface of the container and at least the periphery of the upper surface of the container or the lower surface of the container are covered by heat shrinking in a state where the axial end of the container extends beyond the position of at least the upper surface of the container or the lower surface of the container. A mounting step of mounting the cylindrical shrink label on the container, wherein at least the upper surface of the container or the lower surface of the container has a shape extending in one direction longer than the other direction, The lack the cut of the tubular shrink label, and characterized in that arranged to heat shrink at least the container top or a portion positioned in the longitudinal direction near the end of the container underside.

  According to the present invention, even when a cylindrical shrink label is mounted from the outer peripheral surface of the container to at least the peripheral edge of the upper surface or the lower surface of the container, the label has a good label mounting form without causing the cornering. A container can be provided.

It is a figure which shows the labeled container which is 1st Embodiment of this invention. It is a front view which shows the cylindrical shrink label which is 1st Embodiment of this invention. It is a side view of the cylindrical shrink label shown in FIG. It is a front view which shows the modification of the cylindrical shrink label shown in FIG. It is the figure which looked at the labeled container with which the cylindrical shrink label shown in FIG. 4 was mounted | worn from the lower surface side. It is a front view which shows the modification of the cylindrical shrink label shown in FIG. It is a side view of the cylindrical shrink label shown in FIG. It is a figure for demonstrating the manufacturing process of the cylindrical shrink label which is 1st Embodiment of this invention. It is a figure for demonstrating the manufacturing process of the labeled container which is 1st Embodiment of this invention. It is a figure which shows the container with a label which is 2nd Embodiment of this invention. It is a front view which shows the cylindrical shrink label which is 2nd Embodiment of this invention. It is a figure which shows the container with a label which is 3rd Embodiment of this invention. It is a figure which shows the heat shrink process of the conventional cylindrical shrink label. It is a figure which shows a mode that it stood up in the labeled container using the conventional cylindrical shrink label. It is a figure which shows a mode that it stood up in the labeled container using the conventional cylindrical shrink label. It is a figure which shows a mode that it stood up in the labeled container using the conventional cylindrical shrink label.

Hereinafter, an example of an embodiment of the present invention will be described in detail with reference to the drawings.
The drawings referred to in the embodiments are schematically described, and the dimensions and the like of the components drawn in the drawings may be different from the actual products. Specific dimensions and the like should be determined in consideration of the following description.

In this specification, the “axial direction” means a direction connecting the opening on one side and the opening on the other side of the cylindrical shrink label, and the “circumferential direction” is on a virtual plane orthogonal to the axial direction. It means the direction along the outer periphery (same for the inner periphery) of the cylindrical shrink label.
Moreover, the upper surface and lower surface of a container mean the surface which faced the said axial direction in the mounting state of a cylindrical shrink label. The upper surface means a surface that faces vertically upward in a normal use mode, and the lower surface means a surface that faces vertically downward in a normal use mode. However, the two may not be clearly distinguishable due to the configuration of the present invention.
Further, the outer peripheral surface of the container is a surface on which the cylindrical shrink label is mainly mounted, and at least a part thereof is along the axial direction.
When there is no boundary line between the outer peripheral surface and the upper surface or the lower surface, when it is necessary to clarify the boundary portion, the angle formed by the tangent line of the container surface and the virtual line along the axial direction is upward. The surface exceeding 45 ° is defined as the upper surface, and the surface formed by the angle formed by the tangent line of the container surface and the imaginary line along the axial direction downward is defined as the lower surface.

  In the description of the embodiment, for convenience of description, terms indicating directions such as up and down, left and right, and front and rear are used, but the relationship between the constituent elements of the present invention and the direction is not limited. The term indicating the direction is used based on, for example, a normal display form or usage form of the labeled container.

<First Embodiment>
The labeled container 10 and the cylindrical shrink label 30x according to the first embodiment of the present invention will be described in detail below with reference to FIGS.
First, reference will be made to FIGS. FIG. 1 is a perspective view showing a container 10 with a label (the lower surface 25 is extracted and shown as a plan view), and FIGS. 2 and 3 are views showing a cylindrical shrink label 30x constituting the container 10 with a label. (Hereinafter, the state after thermal contraction is referred to as “cylindrical shrink label 30”, and the state before thermal contraction is referred to as “cylindrical shrink label 30x”).

  As shown in FIG. 1, the labeled container 10 includes a container 20 and a cylindrical shrink label 30 (a portion with dot hatching) attached to the container 20. In the labeled container 10, the entire tubular shrink label 30 is thermally shrunk, and the shrinkage is particularly large at both axial ends. The cylindrical shrink label 30 is mounted following the shape of the container 20 by such heat shrinkage.

  The container 20 includes a barrel portion 21 in which contents are accommodated, and a cap portion 22 attached to the upper portion of the barrel portion 21. The container 20 is a flat container that extends longer to the left and right than the top and bottom and has a thin thickness before and after, and has a shape in which both left and right ends are rounded from the upper end to the lower end. The container 20 is symmetric with respect to the center line α along the vertical direction.

  The body part 21 and the cap part 22 have substantially the same length in the left-right direction and the length in the front-rear direction, and the body part 21 and the cap part 22 form a substantially flush outer peripheral surface 23. In the outer peripheral surface 23, the regions facing forward and rearward are parallel to each other and flat, and the regions facing left and right are curved outward. And the front-back direction center part of the said curved part curves most greatly, and the curvature is the maximum.

  The container 20 has an upper surface 24 and a lower surface 25 that are substantially equivalent to each other. Each of the upper surface 24 and the lower surface 25 is a surface that extends long to the left and right, and both left and right ends have a substantially semicircular shape. And the maximum curvature part 26 in which the curvature in the boundary part of the outer peripheral surface 23 and the upper surface 24 becomes the maximum exists in two places of the left-right both ends, ie, the longitudinal direction both ends. Similarly, the maximum curvature portion 27 at the boundary portion between the outer peripheral surface 23 and the lower surface 25 also exists at both ends in the longitudinal direction of the lower surface 25. Note that the upper surface 24 has a smaller area than the lower surface 25 because an inclined portion 28 whose diameter is reduced upward is formed on the upper portion of the cap portion 22.

  The tubular shrink label 30 is a label formed into a tubular body in which the main shrinkage direction of the label base material having heat shrinkage is the circumferential direction. The cylindrical shrink label 30 is formed into a cylindrical body by superimposing the back surface of the second end edge portion on the surface of the first end edge portion of the label base material and joining (so-called center seal). The cylindrical shrink label 30 is composed of, for example, a label base material and a printed layer formed on at least one surface of the label base material.

  Conventionally known resin films can be applied to the label substrate. For example, polyester resins (polyethylene terephthalate (PET), polylactic acid (PLA), etc.), polyolefin resins (polyethylene, polypropylene, etc.), polystyrene resins (styrene) -Butadiene copolymer, etc.), films made of thermoplastic resins such as polyvinyl chloride, films made of a mixture of these resins, laminated films made by laminating a plurality of the same or different kinds of films, and non-thermal materials such as metal deposition layers Examples include a laminated film in which a shrink layer is laminated. In addition, a commercial item can be used for a label base material.

  The print layer is a layer for displaying a trade name, raw materials, precautions for use, various designs, and the like, and is preferably formed on the inner surface side of the cylindrical shrink label 30. The label substrate may be provided with a layer other than the print layer, for example, an anchor coat layer or a protective layer for the print layer.

  The cylindrical shrink label 30 covers the entire outer peripheral surface 23 of the container 20, the label upper end 31 that is one end in the axial direction of the label is on the periphery of the upper surface 24, and the label lower end 32 that is the other end in the axial direction of the label is the lower surface 25. It is mounted in a state of being positioned at the periphery of each. That is, the cylindrical shrink label 30 is formed on the container 20 with the outer peripheral surface covering portion 34 covering the entire outer peripheral surface 23, the upper surface covering portion 35 covering the periphery of the upper surface 24, and the lower surface covering the periphery of the lower surface 25. The covering portion 36 is mounted so as to be formed. Although the crease line 33x is formed on the cylindrical shrink label 30x, the crease line 33x is usually not visible on the cylindrical shrink label 30 due to thermal contraction of the label.

  The cylindrical shrink label 30 has a notch 37 formed in the upper surface covering portion 35. Thereby, as for the cylindrical shrink label 30, a part of label upper end 31 is dented. The notch 37 has a function of preventing the occurrence of a portion that does not shrink in the upper surface covering portion 35 by suppressing the deflection of the label in the heat shrinking process. The notches 37 are formed at two places on the upper surface covering portion 35, and the label upper end 31 has dents at two places. In the example shown in FIG. 1, the notch 37 is formed only in the upper surface covering portion 35, but the notch may be formed in the lower surface covering portion 36.

Here, the cylindrical shrink label 30x, particularly the notch 37x will be described in detail.
As shown in FIGS. 2 and 3, the cylindrical shrink label 30x is formed with two crease lines 33x along the axial direction from the label upper end 31x to the label lower end 32x. Each crease line 33x is formed facing the radial direction of the cylindrical body, and the cylindrical shrink label 30x is folded at each crease line 33x. The cylindrical shrink label 30x is transported and stored in a folded state, and a notch 37x is formed as will be described later.

  The notch 37x is formed at a position where the bend in the thermal contraction process of the label is likely to occur, and the position is determined by the shape of the container, how the label is attached, and the like. When the mounting target is the container 20, notches 37 x are formed at two locations on the upper surface covering portion 35 x (the label upper end 31 x side from the imaginary line Z 1), which is a portion that becomes the upper surface covering portion 35. The notch 37x is formed in a portion covering each crease line 33x, and the label upper end 31x is most recessed at the intersection P with the crease line 33x. The shape of the label upper end 31x between the notches 37x is a straight line when viewed from the front like the conventional label. The label lower end 32x is cut in a straight line, and no cutout is formed in the lower surface covering portion 36x (the label lower end 32 side with respect to the imaginary line Z2), which is a portion that becomes the lower surface covering portion 36.

  The notch 37x is formed by a cut line 45 described later, for example. Due to the cut line, the label upper end 31x has a convex cut portion 38x curved so as to be convex upward, and a concave cut portion curved so as to be concave upward (convex downward). 39x are formed. In other words, the notch 37x shown in FIGS. 2 and 3 is formed by the convex cut portion 38x and the concave cut portion 39x.

  The convex cut portion 38x is formed on both sides of the concave cut portion 39x. The concave cut portion 39x is symmetric with respect to the crease line 33x, and the two convex cut portions 38x are also symmetric with respect to the crease line 33x. By combining the two types of cut portions to form the cutout 37x, for example, the boundary between the cutout 37x portion of the label upper end 31x and the portion cut linearly, and the most concave portion of the cutout 37x (intersection point) The shape change in P) can be moderated. This makes it easier to prevent cornering.

  In the labeled container 10, the cutout 37 of the cylindrical shrink label 30 has a large amount of heat shrinkage of the label (hereinafter, sometimes referred to as “necessary shrinkage”) required when it does not exist. Be placed. Specifically, in the upper surface covering portion 35, it is preferable to arrange the notch 37 at least in a portion where the required shrinkage amount is maximized. The necessary amount of shrinkage means the amount of heat shrinkage necessary for mounting the label so as to follow the shape of the container 20. For example, the amount of shrinkage necessary for attaching the upper surface covering portion 35 to the upper surface 24 without bending. It means heat shrinkage. That is, when the cylindrical shrink label 30x is attached to the container 20 so as to be attached, the distance between the cylindrical shrink label 30x before the heat shrinkage and the container attachment planned position is the longest. This is a portion where the label is most likely to be bent during the heat shrinkage process.

  In the example shown in FIG. 1, two notches 37 are arranged corresponding to the left and right maximum curvature portions 26 of the container 20, respectively. That is, the cylindrical shrink label 30 is arranged such that a notched portion of the upper surface covering portion 35 where the notch 37 is formed is recessed close to the maximum curvature portion 26. It is preferable that the most concave portions (intersection point P) of the two notches 37 and the two maximum curvature portions 26 are arranged in a substantially straight line. Since the portion close to the maximum curvature portion 26 is the portion most easily bent when the upper surface covering portion 35 is thermally contracted, the bending is efficiently suppressed by arranging the notch 37 in accordance with the maximum curvature portion 26. be able to. That is, the cylindrical shrink label 30 is a label obtained by cutting out a portion of the upper surface covering portion 35 that is prone to bend close to the maximum curvature portion 26.

FIGS. 4-7 shows the modification of the form illustrated in FIGS. 1-3.
In the example shown in FIG. 4, the convex portion 40 x is formed on the lower surface covering portion 36 x that is the portion that becomes the lower surface covering portion 36. The shape of the convex portion 40x corresponds to the notch 37x which is a concave portion, and the label lower end 32x protrudes most at the intersection P with each crease line 33x. When the cylindrical shrink label 30x is attached to the container 20, the convex portion 40 is disposed close to the maximum curvature portion 27 as shown in FIG.

  In the example shown in FIGS. 6 and 7, the notch 37x is formed only by the convex cut portion 38x. The upper end 31x of the label is recessed most greatly at the intersection point P with the crease line 33x, and the two convex cut portions 38x are connected at the intersection point P. Also in this case, the convex cut portion 38x is symmetrical with respect to the crease line 33x. In the above description, the form in which the label upper end 31x is recessed most greatly at the intersection P with the crease line 33x is exemplified, but the maximum recess may be located at a position other than the intersection P.

  With reference to FIGS. 8 and 9, an example of the manufacturing method of the cylindrical shrink label 30x having the above-described configuration and the labeled container 10 will be described in detail. 8 and 9 are diagrams showing the manufacturing process of the cylindrical shrink label 30x and the labeled container 10. FIG.

  The manufacturing process of the labeled container 10 includes a process (A) for manufacturing the cylindrical shrink label 30x and a process (B) for heat-shrinking the cylindrical shrink label 30x and mounting it on the container 20. The circumferential length of the cylindrical shrink label 30x is substantially equal from the label upper end 31x to the label lower end 32x, and is set larger than the circumference of the label mounting portion of the container 20.

  In the step (A) of manufacturing the cylindrical shrink label 30x, from the viewpoint of productivity, a long shrink label is produced and formed into a cylindrical shape. Specifically, the long body of the shrink label is center-sealed to produce a tubular body (a long tubular shrink label 30z which is a long body of the tubular shrink label 30x), and the long tubular shrink The cylindrical shrink label 30x is manufactured by cutting the label 30z into individual label sizes.

  In the step (A), first, a long label base material stretched in one direction (uniaxial stretching) is prepared, and a printed layer or the like is formed on at least one surface of the label base material. When the label base material is uniaxially stretched, it has heat shrinkability mainly in one direction. The draw ratio is preferably, for example, about 2 to 6 times in one direction of the main draw direction (main shrinkage direction). In addition, the label base material may be stretched (biaxially stretched) at a magnification of about 1.0 to 2 times in a direction orthogonal to the main shrinkage direction.

  The thermal contraction rate of the label base material is preferably 20 to 80%, particularly preferably 30 to 80% with respect to the main shrink direction (TD direction) (heat treatment condition: hot water at 90 ° C. Soak for 10 seconds). For the direction orthogonal to the main shrinkage direction (MD direction), it is preferably 15% or less, more preferably 10% or less, and particularly preferably less than 5% (heat treatment conditions: the same as above).

  The printed layer is preferably formed on the surface that will be the inner surface of the cylindrical shrink label 30x. If the printed layer is present on the joint surface, there is a risk of poor adhesion. For example, the second edge portion It is formed except for the back surface. Specifically, while continuously stretching the elongated label base material in the MD direction, the printing ink is applied in a desired pattern on one surface of the label base material, and the applied ink is dried or UV-coated. A printed layer is formed by solidifying by irradiation. A printing layer can be formed by printing methods, such as gravure printing, flexographic printing, or relief printing, using various printing inks, for example.

  Subsequently, the long cylindrical shrink label 30z is formed by rounding the long body of the shrink label on which the printing layer or the like is formed in a cylindrical shape, overlapping the edge portions in the TD direction, and center-sealing the overlapped portion. Is made. The center seal portion can be formed by superimposing the back surface of the second end edge portion on the surface of the first end edge portion in the TD direction of the shrink label and using an organic solvent or an adhesive.

  Subsequently, two crease lines 33x along the MD direction are formed on the long cylindrical shrink label 30z. Each crease line 33x is formed facing the radial direction of the cylindrical body. Thereby, the long cylindrical shrink label 30z is folded flat.

  Subsequently, the long cylindrical shrink label 30z is cut and divided into individual label sizes. At this time, the cut line 45 for cutting the long cylindrical shrink label 30z is formed in a non-linear shape so that a part of the label upper end 31x is recessed. That is, the cut line 45 is formed from one crease line 33x to the other crease line 33x, but a part thereof is formed in a non-linear shape. Normally, the cut line for cutting the long body is formed in a straight line perpendicular to the crease line 33x over its entire length, but by forming a part in a non-linear shape, a cutout 37x is formed in the upper surface covering portion 35x. A form in which is formed is obtained. As described above, the formation position of the notch 37x can be appropriately changed according to the shape of the container to which the label is attached.

  In the example shown in FIG. 8, the cut line 45 is formed so that the label upper end 31x is recessed most greatly at the intersection P with the crease line 33x. At this time, since the cut line 45 is formed in a state in which the long cylindrical shrink label 30z is folded, the notch 37x is symmetrical on both sides of the crease line 33x. Moreover, it is preferable that the cut line 45 is formed so that the convex cut part 38x and the concave cut part 39x are obtained.

  Further, if the cut line 46 is formed on the extended line of the straight line part of the cut line 45 and the part surrounded by the cut lines 45, 46 (the part with mesh hatching) is removed, there is no convex part 40x and the label is formed. A form in which the lower end 32 is cut linearly is obtained. On the other hand, if the long cylindrical shrink label 30z is cut only by the cut line 45, a form having the convex portion 40x is obtained. The cut lines 45 and 46 are usually formed simultaneously by a die cut roll or the like while continuously conveying the long cylindrical shrink label 30z in the MD direction.

  In the step (B), the cylindrical shrink label 30x obtained in the step (A) is heat-shrinked in a state where the cylindrical shrink label 30x is externally fitted to the container 20, and is attached to the container 20. In this step, first, as shown in FIG. 9A, a cylindrical shrink label 30x is externally fitted so as to cover the outer peripheral surface 23, and the label upper end 31x extends upward beyond the position of the upper surface 24, It is assumed that the label lower end 32x extends downward beyond the position of the lower surface 25.

  In this state, as shown in FIG. 9B, the cylindrical shrink label 30x is thermally contracted. The thermal shrinkage of the cylindrical shrink label 30x is performed by heat treatment using a steam tunnel or the like. Thereby, first, the cylindrical shrink label 30x is mounted following the outer peripheral surface 23. As the heat shrinkage further proceeds, the portion extending upward beyond the position of the upper surface 24 and the portion extending downward beyond the position of the lower surface 25 bend inward and get caught by the peripheral edges of the upper surface 24 and the lower surface 25, respectively. It is attached in this way. Thus, the labeled container 10 in which the outer peripheral surface covering portion 34, the upper surface covering portion 35, and the lower surface covering portion 36 are formed is manufactured.

  At this time, the notch 37x of the cylindrical shrink label 30x is disposed at least in a portion where the necessary shrinkage amount is maximized and is thermally contracted. In the example shown in FIG. 9, the notch 37 x is arranged in accordance with the maximum curvature portion 26. Specifically, each crease line 33x is positioned at both the left and right ends of the container 20, and the notches 37x are disposed so as to be close to the maximum curvature portion 26 and are thermally contracted.

  According to the labeled container 10 manufactured in this way, the projection 102 (see FIG. 14) does not exist on the upper surface covering portion 35, and an excellent label mounting form in which the entire upper surface covering portion 35 follows the shape of the upper surface 24 is obtained. It is done. That is, according to the manufacturing method described above, the occurrence of cornering can be prevented by suppressing the occurrence of such bending by cutting out in advance a portion that greatly bends during the heat shrinking process and exceeds the shrinkage limit.

Second Embodiment
The labeled container 50 and the cylindrical shrink label 60 according to the second embodiment will be described in detail with reference to FIGS. In the following, differences from the above embodiment will be mainly described, and redundant description will be omitted.

  As shown in FIG. 10, the labeled container 50 includes a substantially cylindrical container 51 and a cylindrical shrink label 60. The container 51 has an outer peripheral surface 52 whose cross-sectional shape cut in the horizontal direction is substantially circular, and an upper surface 53 and a lower surface 54 that are also substantially circular. The upper surface 53 extends slightly longer in one direction. One end in the longitudinal direction is located at the upper end of the upper surface 53, the other end in the longitudinal direction is located at the lower end of the upper surface 53, and the upper surface 53 is inclined obliquely with respect to the horizontal direction. Further, the lower end is the maximum curvature portion 55 at the boundary portion between the outer peripheral surface 52 and the upper surface 53.

  The cylindrical shrink label 60 is attached to the container 51 so that an outer peripheral surface covering portion 64, an upper surface covering portion 65, and a lower surface covering portion are formed. The upper surface covering portion 65 is provided with a notch 67 at a position close to the maximum curvature portion 55 where the required amount of contraction is maximized. Even if the curvature at the boundary between the outer peripheral surface 52 and the upper surface 53 is constant, the upper surface 53 is inclined, so that the necessary amount of contraction is maximized at the portion close to the lower end of the upper surface 53.

  As shown in FIG. 11, a notch 67x is formed in the upper surface covering portion 65x of the cylindrical shrink label 60x. The notch 67x is most recessed at the intersection with the crease line 63x. Note that a notch may be provided in a portion close to the upper end of the upper surface 53 (not shown). In this case, the depth of the notch near the upper end is cut smaller than the notch 67x. This is because the necessary amount of contraction is smaller in the vicinity of the upper end of the upper surface 53 than in the vicinity of the lower end.

  According to the labeled container 50 obtained by using the cylindrical shrink label 60x, the projection 201 (see FIG. 15) is not formed as in the case of using the conventional label 200, and a good label mounting form is obtained. can get.

<Third Embodiment>
The labeled container 70 according to the third embodiment will be described in detail with reference to FIG.

  As shown in FIG. 12, the labeled container 70 includes a container 71 that is a so-called trigger container, and a cylindrical shrink label 80. The container 71 includes a body portion 72 in which a neck portion 73 having a reduced diameter is formed, and a cap portion 74 attached to the neck portion 73. The cap part 74 includes a nozzle head 75 that ejects the content liquid filled in the body part 72, and a lever 76 that extends from the nozzle head 75 toward the body part 72. In this case, the portion where the curvature is large at the boundary portion between the outer peripheral surface 77 and the upper surface 78 is in the vicinity of the longitudinal direction end of the upper surface 78 (the longitudinal direction end of the nozzle head 75).

  The cylindrical shrink label 80 is attached to the container 71 so that the upper surface covering portion 81 is formed. The upper surface covering portion 81 is provided with a notch 83 in the vicinity of the end portion in the longitudinal direction of the upper surface 78 where the required amount of contraction increases (the required amount of contraction is maximized in the vicinity of the right end portion on the paper surface). Further, the cylindrical shrink label 80 is mounted so as to cover the lever 76, and maintains the state where the lever 76 is pulled by heat contraction force. As the cut shape of the notch 83, for example, the same shape as the notch exemplified in the first embodiment can be applied.

According to the labeled container 70, a good label mounting form can be obtained without forming the protrusion 301 (see FIG. 16) as in the case where the conventional label 300 is used. Further, since the lever 76 is maintained in the pulled state, for example, it is possible to prevent a problem caused by the movement of the lever 76 during the distribution process.
When a label including not only a trunk but also a neck and a nozzle head is attached to a trigger container as illustrated in FIG. Because of its large size, it required a highly shrinkable (eg, 80%) heat shrinkable film with considerable limitations in film properties. However, according to the container with a label of the present invention, since the portion where the label is likely to be bent in the heat shrinking process is cut out in advance so as to easily follow the container, the applicable film characteristics have some width. The range of material selection is widened.

  In each of the above embodiments, the cylindrical shrink label includes a dividing auxiliary line for removing the label upper region corresponding to the outer peripheral surface of the cap portion, and a dividing line for removing the cylindrical shrink label from the container. An auxiliary line may be formed (not shown). As the auxiliary line for division, for example, a perforation line provided from the upper end to the lower end of the cylindrical shrink label can be used.

  DESCRIPTION OF SYMBOLS 10 Labeled container, 20 container, 21 trunk | drum, 22 cap part, 23 outer peripheral surface, 24 upper surface, 25 lower surface, 26,27 Maximum curvature part, 28 inclined part, 30,30x cylindrical shrink label, 30z long cylinder -Shaped shrink label, 31, 31x label upper end, 32, 32x label lower end, 33x crease line, 34, 34x outer peripheral surface covering part, 35, 35x upper surface covering part, 36, 36x lower surface covering part, 37, 37x notch, 38x convex Cut portion, 39x Convex cut portion, 40, 40x Convex portion, 45, 46 Cut line.

Claims (9)

A cylindrical shrink label formed into a cylindrical body in which the main shrinkage direction of the label substrate is the circumferential direction ;
The outer peripheral surface comprises an upper surface, and a lower surface, and a container for the tubular shrink label is attached,
A container with a label, wherein the cylindrical shrink label has a peripheral covering portion that covers a peripheral edge of the outer peripheral surface of the container and at least the upper surface or the lower surface ,
A cutout is formed in the peripheral covering portion of the cylindrical shrink label,
The labeled container, wherein the cutout of the cylindrical shrink label is disposed corresponding to a portion where the curvature is maximum at a boundary portion between at least the outer peripheral surface and the upper surface or the lower surface. A cylindrical shrink label formed into a cylindrical body in which the main shrinkage direction of the label substrate is the circumferential direction ;
The outer peripheral surface comprises an upper surface, and a lower surface, and a container for the tubular shrink label is attached,
A container with a label, wherein the cylindrical shrink label has a peripheral covering portion that covers at least a peripheral edge of the upper surface or the lower surface of the container,
A cutout is formed in the peripheral covering portion of the cylindrical shrink label,
The labeled container, wherein the cutout of the cylindrical shrink label is arranged at least in a portion where the amount of heat shrinkage required when the cutout is not present is maximum. A cylindrical shrink label formed into a cylindrical body in which the main shrinkage direction of the label substrate is the circumferential direction;
A container including an outer peripheral surface, an upper surface, and a lower surface, the container having the cylindrical shrink label attached thereto;
A container with a label, wherein the cylindrical shrink label has a peripheral covering portion that covers a peripheral edge of the outer peripheral surface of the container and at least the upper surface or the lower surface,
A cutout is formed in the peripheral covering portion of the cylindrical shrink label,
At least the upper surface or the lower surface of the container has a shape extending in one direction longer than the other direction,
The labeled container, wherein the cutout of the cylindrical shrink label is disposed at least in a portion located in the vicinity of an end portion in a longitudinal direction of the upper surface or the lower surface. In the labeled container of any one of Claims 1-3 ,
The container is
A trunk formed with a reduced diameter neck,
A cap attached to the neck;
Have
The cap part is
A nozzle head for ejecting the content liquid filled in the body portion;
A lever extending from the nozzle head to the body side;
And the cylindrical shrink label is mounted so as to cover the periphery of the upper surface of the nozzle head. A cylindrical body in which the main contraction direction of the label base material is a circumferential direction, a notch is formed in the label base material, and at least a part of the axial end of the cylindrical body is recessed A method of manufacturing a labeled container using a shrink label,
The cylindrical shrink label is externally fitted to the container so as to cover the outer peripheral surface of the container, and is thermally contracted in a state where the axial end portion of the label extends at least beyond the position of the container upper surface or the container lower surface. A mounting step of mounting the cylindrical shrink label on the container so as to cover the outer peripheral surface of the container and at least a peripheral edge of the upper surface of the container or the lower surface of the container;
With
In the mounting step, the notch of the cylindrical shrink label is disposed at a portion where the curvature at the boundary portion between the outer peripheral surface and the upper surface or the lower surface is maximized, and is thermally contracted. A manufacturing method of a container with attached. A cylindrical body in which the main contraction direction of the label base material is a circumferential direction, a notch is formed in the label base material, and at least a part of the axial end of the cylindrical body is recessed A method of manufacturing a labeled container using a shrink label ,
The cylindrical shrink label is externally fitted to the container so as to cover the outer peripheral surface of the container, and is thermally contracted in a state where the axial end portion of the label extends at least beyond the position of the container upper surface or the container lower surface. A mounting step of mounting the cylindrical shrink label on the container so as to cover the outer peripheral surface of the container and at least a peripheral edge of the upper surface of the container or the lower surface of the container;
With
In the mounting step, the notched portion of the cylindrical shrink label is disposed at a portion where the amount of heat shrinkage required at least when the notch is not present is maximized and thermally contracted. Manufacturing method. A cylindrical body in which the main contraction direction of the label base material is a circumferential direction, a notch is formed in the label base material, and at least a part of the axial end of the cylindrical body is recessed A method of manufacturing a labeled container using a shrink label,
The cylindrical shrink label is externally fitted to the container so as to cover the outer peripheral surface of the container, and is thermally contracted in a state where the axial end portion of the label extends at least beyond the position of the container upper surface or the container lower surface. A mounting step of mounting the cylindrical shrink label on the container so as to cover the outer peripheral surface of the container and at least a peripheral edge of the upper surface of the container or the lower surface of the container;
With
At least the container upper surface or the container lower surface has a shape extending in one direction longer than the other direction,
In the mounting step, the notched portion of the cylindrical shrink label is disposed at least in the vicinity of the longitudinal end of the container upper surface or the container lower surface and thermally contracted. Manufacturing method. In the manufacturing method of the labeled container of any one of Claims 5-7 ,
The method of manufacturing a labeled container , wherein the notch is formed by a convex cut portion that is curved so that the axial end portion is convex. In the manufacturing method of the labeled container of any one of Claims 5-7 ,
The notch is
A convex cut portion curved so that the axial end is convex;
A concave cut portion curved so that the axial end portion is concave;
Formed by
The method for producing a labeled container, wherein the convex cut portion is formed on both sides of the concave cut portion.

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