JP2008285195A - Shrink label and object having the label attached - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a shrink label capable of being easily removed from a container such as a PET bottle and an object having the label attached. <P>SOLUTION: The shrink label (25) made of a tubular film having an overlap (11) where both ends of a single heat-shrinkable film overlap and join is put on an outer peripheral surface of a container (10) such as a glass bottle or a plastic bottle and thermally shrunk to be in tight contact with the container (10). The shrink label is characterized by that it has at least one hole (26) (referred to as a tear-open hole, hereinafter) with a diameter of 3.0 mm or larger serving as a lead for vertically tearing to remove the label from the container (10). <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention is a shrink label made of a resin film having heat shrinkability, which is mounted on a shoulder portion or a trunk portion of a container such as a PET bottle, which contains soft drinks, liquid seasonings and the like. In particular, the present invention relates to a shrink label that can be easily removed from a container such as a PET bottle, and a label mounting body thereof.

  Traditionally, instead of directly printing or sticking printed labels on plastic, glass, or metal bottle containers that contain soft drinks or liquid seasonings, Cylindrical labels made of shrink film printed with various designs, trade names, trademarks, etc. are attached to the shoulders and torso, etc., and these are generally easily removed from the container by breaking in the vertical direction. Two cut lines (perforations) from the upper end to the lower end are formed. (For example, refer to Patent Document 1).

Prior art documents are shown below.
Japanese Patent Laid-Open No. 2003-192020

  However, as a conventional method for removing the shrink label, in the case of a PET bottle (10) used in a soft drink or the like as shown in FIG. Two perforations (12) are provided on both sides of the sandwich, and a toe is hooked between the two perforations (12) from the upper edge and the lower edge, and a shrink label ( 15) will be broken into strips, but it will not be cut straight and difficult to peel off. Also, especially at the upper end, the shrinkage of the shrink label (15) due to heat is high, and the thickness of the label itself will increase. There is a problem that it is difficult to make a trigger.

  In addition, in the case of the PET bottle (10), many are provided with a lateral rib (13, 14) that forms a depression over the entire circumference of the bottle (10) in the body, as shown in FIG. As shown, the upper and lower edges of the shrink label (16) may be attached to the recessed portions of the horizontal ribs (13, 14). As shown in FIG. 3 (c), the horizontal rib (13) There is also a problem that even if an attempt is made to break the shrink label (16) along the perforation (12) by hooking a toe between the depressions, the breakage cannot be easily broken.

  An object of the present invention is to provide a shrink label that can be easily removed from a container such as a PET bottle and a label mounting body thereof.

  The present invention has been made to solve the above-described problems, and the invention according to claim 1 of the present invention is an overlapped portion in which both end portions of one heat shrink film are overlapped and joined together ( 11) A shrink label (25) in which a cylindrical film having 11) is attached to the outer peripheral surface of a container (10) such as a glass bottle or a plastic bottle, and is heat-shrinked to adhere to the container (10). In order to remove it from the container (10), it is equipped with at least one hole (26) having a diameter of 3.0 mm or more (hereinafter referred to as a tear hole), which is a trigger for breaking in the longitudinal direction. It is a featured shrink label.

  The invention according to claim 2 of the present invention is the shrink label according to claim 1, wherein at least one perforation (12) extending in the longitudinal direction or the lateral direction is formed on both sides and the center of the tear hole (26). It is a shrink label characterized by being.

  The invention according to claim 3 of the present invention is the shrink label according to claim 1 or 2, wherein the tear hole (26) has either a U shape or an H shape so that the tear hole (26) is torn upward or downward. This is a shrink label.

  The invention according to claim 4 of the present invention is a label mounting body in which the shrink label (25) according to any one of claims 1 to 3 is mounted on a container (10), wherein the tear hole (26) is provided. It is a label mounting body characterized by the clearance gap being formed between a container and a container (10).

  The shrink label according to the present invention is attached to the outer peripheral surface of a container such as a glass bottle or a plastic bottle with a cylindrical film having an overlapped portion in which both end portions of one heat shrink film are overlapped and joined, A shrink label that is heat-shrinked and is in close contact with the container, and has a diameter of 3.0 mm or more (hereinafter referred to as a tear hole), which is a trigger for breaking in the longitudinal direction to be removed from the container. When covering up to the vicinity of the tip of the container, the shrinkage of the upper end portion of the shrink label becomes extremely high and the wall thickness is increased, so that the edge portion is less likely to break. Therefore, the shrink label can be easily broken by using the tear hole formed in the intermediate portion having a small wall thickness as a trigger.

  Moreover, even when the edge of the shrink label is attached to the horizontal rib in the bottle container having the horizontal rib forming the depression around the entire circumference, it is not necessary to break from the edge portion that is difficult to break. The shrink label can be easily broken in the vertical direction by using a tear hole formed in an intermediate portion excluding both end portions as a trigger.

  In addition, since at least one perforation extending in the longitudinal direction or the lateral direction is formed on both sides or the center of the tear hole, the tear hole can be used as a trigger to reliably and easily break along the perforation. Can do.

  In addition, since the tear hole has a U-shaped shape or an H-shaped shape for tearing in the upper direction or both the upper and lower directions, a grip portion is formed as a trigger for breaking, so that it can be broken more easily. Can do.

  Furthermore, the label mounting body in which the shrink label is mounted on the bottle container has a gap formed between the tear hole and the container, so that it is easy for a finger to be applied to the tear hole and a trigger at the time of breaking is easily formed. Become.

  Embodiments of the present invention will be described in detail with reference to FIGS.

  FIG. 1A is a side view showing an embodiment of a bottle container equipped with a long type shrink label according to the present invention, and FIG. 1B is a side view of a bottle container equipped with a long type shrink label according to the present invention. FIG. 2A is a side view showing another embodiment, and FIG. 2A is a side view showing one embodiment of a bottle container equipped with a shrink label having a U-shaped tear hole according to the present invention. b) is a side view showing one embodiment of a bottle container equipped with a long-type shrink label having an H-shaped tear hole according to the present invention, and (c) is equipped with a short-type shrink label according to the present invention. It is a side view which shows one Example of a bottle container.

  As shown in FIG. 1A, the shrink label of one embodiment of the present invention is a cylinder having an overlapping portion (11) in which both end portions of one heat shrink film (shrink film) are overlapped and joined. A shrink label (25) in which a film-like film is attached to the outer peripheral surface of a container (10) such as a glass bottle or a plastic bottle, and is heat-shrinked to adhere to the container (10). Shrink label comprising at least one hole (26) having a diameter of 3.0 mm or more (hereinafter referred to as a tear hole), which is a trigger for breaking in the longitudinal direction. It is.

  Further, at least one perforation (12) extending in the vertical direction or the horizontal direction is formed on both sides or the center of the tear hole (26).

  Furthermore, the tear hole (26) is a shrink label having either a U shape or an H shape so that the tear hole (26) can be torn in the upward direction or the vertical direction.

  Fig.1 (a) has shown the label mounting body by which the above-mentioned shrink label (25) of this invention was mounted | worn with the PET bottle (10). This label mounting body is one in which a shrink label (25) formed of a shrink film is coated on the body of a PET bottle (10) and then heat-shrinked. Prints that display designs such as names, trademarks, and designs are applied. In addition, a normal heat-shrinkable thing can be used for a shrink label (25), Generally the thing extended | stretched in a horizontal uniaxial direction and not extended | stretched greatly in the vertical direction is used.

  As shown in FIG. 1 (a), the PET bottle (10) is formed with lateral ribs (13, 14) that form depressions on the entire upper and lower sides of the body to ensure strength. In addition, rectangular recesses (17) are formed at regular intervals in the circumferential direction of the body portion between the upper lateral rib (13) and the lower lateral rib (14).

  When removing the shrink label (25) from the PET bottle (10) in the above state, as shown in FIG. 1 (a), it is formed on the curved portion on the upper side of the lateral rib (13) of the PET bottle (10). After the toe is hooked on the tearing hole (26) to be broken to form a grip portion, the shrink label (25) is broken in a strip shape in the downward direction along the pair of perforations (12), and finally remains. Similarly, the upper portion can be torn by using the tear hole (26) as a trigger.

  Further, as shown in FIG. 1 (b), the tear hole (28) is a rectangular shape formed between the upper lateral rib (13) and the lower lateral rib (14) of the PET bottle (10). When located in the recess (17), a gap is formed between the tear hole (28) and the PET bottle (10). It becomes a trigger and can be easily broken.

  In the above-described embodiment, the tear hole (26, 28) has a rectangular shape. However, the trigger for breaking the shrink label (25, 27) is not limited to this. As shown in FIG. 2 (a), a U-shaped hole (38) forming a grip portion in the tear hole itself, or a grip portion for tearing in two directions as shown in FIG. 2 (b). It is also possible to form two H-shaped holes (36). Needless to say, when the perforation (12), which is an intermittent cut, is inserted in the vertical direction so as to be applied to the tear hole, the label can be easily broken.

  In each of the above-described embodiments, the long type label in which the shrink label (25, 27, 37, 35) covers up to the neck of the PET bottle (10) has been described. 2 (c), the upper end edge of the shrink label (39) and the recessed portion of the lateral ribs (13, 14) formed in the body of the PET bottle (10) Even in the case where the lower end edge is attached, the notch hole (40) serving as a trigger when the label is broken is divided into an upper lateral rib (13) and a lower lateral rib (14) of the PET bottle (10). Can be easily broken by being positioned in a rectangular recess (17) installed between the two.

  Further, in each of the above-described embodiments, the label mounting body in which the shrink label (25, 27, 37, 35, 39) is mounted on the round PET bottle (10) has been described. However, the PET bottle (10) has a square shape. However, the present invention can be applied even when it is mounted on various bottle containers such as metal bottles.

  The shrink film used for the shrink label according to the present invention is not particularly limited, and stretched films such as vinyl chloride, polypropylene, polyethylene, polystyrene, polyamide, and polyester resins can be used. Among these, a polystyrene film is preferable.

  Moreover, when the said bottle is a plastic bottle, it can manufacture by a normal blow molding method. Examples of the plastic resin used in such plastic bottles include low density polyethylene resin (LDPE), medium density polyethylene resin (MDPE), high density polyethylene resin (HDPE), and linear low density polyethylene resin (L- LDPE) and other polyethylene resins, polypropylene resins (PP) and other polypropylene resins, polystyrene resins, polycarbonate resins, polyamide resins, polyester resins, and other thermoplastic molding resins can be used. Among these, in view of transparency, strength, cost, moldability and the like, a polyester resin is preferable, and a polyethylene terephthalate resin (PET) is more preferable.

  The synthetic resin may contain an appropriate amount of additives such as an antioxidant, a thermal degradation inhibitor, an ultraviolet degradation inhibitor, an antistatic agent, and other resins as required.

  Hereinafter, the shrink label and the label mounting body according to the present invention will be described in more detail with specific examples, but the present invention is not limited thereto.

<Example 1>
Using one shrink film made of a polystyrene film having a thickness of 50 μm, as shown in FIG. 1A, both ends of this shrink film are overlapped and joined to form an overlapping portion (11), In addition, a rectangular tear hole (26) is formed at a predetermined position corresponding to the upper curved portion of the lateral rib (13) of the PET bottle (10), and 1 in the longitudinal direction is formed on both sides of the tear hole (26). A cylindrical film having a pair of perforations (12, 12) was produced to obtain a shrink label (25) according to the present invention.

  On the other hand, a polyethylene terephthalate resin (PET) is used, and the horizontal ribs (13, 14) are formed over the entire circumference on the upper side and the lower side of the trunk by blow molding, and the upper side horizontal ribs (13) and the lower side are formed. A PET bottle (10) was produced in which rectangular recesses (17) were formed at regular intervals in the circumferential direction of the body between the lateral ribs (14).

Next, the shrink label (25) is attached to the outer peripheral surface of the PET bottle (10),
Hot air was blown from the side surface to shrink the shrink label (25), and the shrink label (25) was brought into close contact with the bottle (10) as shown in FIG.

  The PET bottle (10) provided with the shrink label (25) thus obtained was used to evaluate whether it can be easily peeled off from the PET bottle (10) of the shrink label (25). A pair of perforations (12) is formed by hooking the toes into a tear hole (26) formed in the upper curved portion of the lateral rib (13) of the PET bottle (10) to form a grip portion. , The shrink label (25) is broken into a strip shape in the lower direction, and the last remaining upper portion can be similarly torn using the tear hole (26) as a trigger, and the shrink label (25) is It could be easily removed from the bottle (10).

(A) is a side view which shows one Example of the bottle container equipped with the long type shrink label which concerns on this invention, (b) is the other of the bottle container equipped with the long type shrink label which concerns on this invention It is a side view which shows an Example. (A) is a side view showing one embodiment of a bottle container equipped with a shrink label having a U-shaped tear hole in the long type according to the present invention, and (b) is a long type and H-shaped in accordance with the present invention. It is a side view which shows one Example of the bottle container equipped with the shrink label which has a tear hole, (c) is a side view which shows one Example of the bottle container equipped with the short type shrink label which concerns on this invention. (A) is a side view showing one embodiment of a bottle container equipped with a conventional long type shrink label, and (b) is a side view showing one embodiment of a bottle container equipped with a conventional short type shrink label. (C) is a partially enlarged view showing a horizontal rib of a bottle container equipped with a conventional short type shrink label.

Explanation of symbols

10 ... Container (bottle container, PET bottle)
DESCRIPTION OF SYMBOLS 11 ... Overlapping part 12 ... Perforation 13, 14 ... Horizontal rib 15, 16, 25, 27, 35, 37, 39 ... Shrink label 17 ... Recessed part 26, 28, 36 , 38, 40 ... tearing holes

Claims (4)

  A cylindrical film having an overlapped portion in which both end portions of one heat shrink film are overlapped and joined is attached to the outer peripheral surface of a container such as a glass bottle or a plastic bottle, and is heat-shrinked to adhere to the container At least one hole having a diameter of 3.0 mm or more (hereinafter referred to as a tear hole) that is a trigger for breaking in the longitudinal direction in order to be removed from the container. Shrink label characterized by that.   The shrink label according to claim 1, wherein at least one perforation extending in a vertical direction or a horizontal direction is formed on both sides and the center of the tear hole.   The shrink label according to claim 1 or 2, wherein the tear hole has a U shape or an H shape so that the tear hole is torn in the upward direction or the vertical direction.   A label mounting body in which the shrink label according to any one of claims 1 to 3 is mounted on a container, wherein a gap is formed between the tear hole and the container. .

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