JP2004123190A - Container with label - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To attach a shrink label to a squeeze container filled with ketchup, mayonnaise, dressing or the like without degrading its squeezability, and to prevent the label from peeling off. <P>SOLUTION: A container 1A with a label consists of the squeeze container 2 having a barrel 5 with a larger diameter than those of a bottom 3 and a mouth 4 on the upper part of the container and formed with gentle shoulders 6 formed between the mouth 4 and the barrel 5, and the shrink label 20 covering the entire circumference of at least the barrel 5 of the container 2. Modulus of elasticity of the squeeze container 2 is 50 to 700 MPa, a ratio in thickness of the side face and the front face of the barrel 5 of the container 2 is 0.7 to 1.3, and the thickness of the shrink label 20 is 10 to 80 μm. The squeeze container 2 and the label 20 are fully stuck to each other or stuck at predetermined intervals along the entire circumference of the barrel 5 of the container 2. <P>COPYRIGHT: (C)2004,JPO

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a labeled container in which a shrink label is attached to a squeeze container.
[0002]
[Prior art]
A squeeze container filled with mayonnaise, ketchup, etc., has a soft elasticity of 50 to 700 MPa, and is greatly deformed by squeeze during use. Therefore, a label for displaying product information is attached to the container itself or printed. Difficult to do. Therefore, an outer bag is used exclusively for displaying product information such as mayonnaise filled in a squeeze container.
[0003]
On the other hand, shrink labels are frequently used for displaying product information of beverages filled in PET bottles or the like (see Patent Document 1). Therefore, it is conceivable to use a shrink label also for displaying product information such as mayonnaise filled in a squeeze container.
[0004]
[Patent Document 1] Japanese Patent Application Laid-Open No. H11-174962
[Problems to be solved by the invention]
However, if a conventional shrink label is attached to a squeeze container filled with mayonnaise or the like, there is a problem that the container is difficult to squeeze and the label is easily peeled because the followability of the label to deformation of the container is poor.
[0006]
On the other hand, an object of the present invention is to attach a shrink label to a soft squeeze container without impairing the squeeze property, and to prevent the shrink label from peeling off.
[0007]
[Means for Solving the Problems]
In order to attach a shrink label to a soft squeeze container having a modulus of elasticity of 50 to 700 MPa without impairing its squeezing properties, the present inventors have to adhere the shrink label over the entire circumference of the container body, It has been found that it is effective to make the thickness uniform and to set the thickness of the shrink label to a specific range.
[0008]
That is, the present invention has a squeeze container having a large-diameter body portion with respect to a bottom portion and a mouth portion of a container upper portion, and a gentle shoulder formed between the mouth portion and the body portion. A label-equipped container comprising a shrink label that covers at least the entire periphery of the body, wherein the elasticity of the squeeze container is 50 to 700 MPa, the thickness ratio between the side and front sides of the body of the squeeze container is 0.7 to 1.3, and the label is Provided is a labeled container having a thickness of 10 to 80 μm, wherein the container and the label are adhered to each other over the entire circumference of the body of the squeeze container at a predetermined interval.
[0009]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, the present invention will be described in detail with reference to the drawings. In the drawings, the same reference numerals indicate the same or equivalent components.
[0010]
FIG. 1 is an explanatory diagram of a method for manufacturing a labeled container 1A according to one embodiment of the present invention.
[0011]
This labeled container 1A is a product filled with mayonnaise, ketchup, dressing and the like.
[0012]
The body 5 of the squeeze container 2 constituting the container 1A with a label is thicker than the bottom 3 and the mouth 4 at the top of the container so that contents such as mayonnaise, ketchup, and dressing can be filled without blowing air. It has a diameter, and a gentle shoulder 6 is formed between the mouth 4 and the body 5. A cap 7 is put on the mouth 4.
[0013]
The squeeze container 2 is a so-called soft bottle having an elastic modulus of 50 to 700 MPa, preferably 100 to 500 MPa (JISK7106) so that the contents can be easily pushed out from the mouth portion 4 by squeezing the container. As the container material for forming the squeeze container 2 into a soft bottle in this manner, various thermoplastic resins such as a polyolefin resin, a low-density or medium-density polyethylene resin, and an ethylene-vinyl acetate copolymer can be used. Preferably, as in a laminated material 10 shown in FIG. 2, a low-density polyethylene resin layer (LDPE) 11a, a mixed resin layer 12a of low-density polyethylene, an adhesive polyolefin and an ethylene / vinyl alcohol copolymer resin (EVOH), an adhesive polyolefin Layer 13a, ethylene / vinyl alcohol copolymer resin layer (EVOH) 14, adhesive polyolefin layer 13b, mixed resin layer 12b of low density polyethylene, adhesive polyolefin and ethylene / vinyl alcohol copolymer resin (EVOH), low density polyethylene resin layer (LDPE) Lamination with 11b Those with granulation is preferred. Thereby, the gas barrier property for preventing the oxidation of the content and the good squeezing property of the content can be provided.
[0014]
In the squeeze container 2, the thickness of the body 5 is set to 0.2 to 0.5 mm, and the thickness ratio of the side to the front (the thickness of the side / the thickness of the front) of the body 5 is 0.7. It is preferable to set it to 1.3. When the squeeze container 2 having the shape shown in FIG. 1A is formed by extrusion blow molding, generally, the thickness of the side surface is easily reduced as compared with the front surface of the container, but the thickness ratio of the side surface and the front surface is different. In the present invention, it is preferable that the thickness ratio between the side surface and the front surface is made as equal as possible because the container is easily deformed when the shrink label is attached and the label is less compliant when the container is squeezed.
[0015]
On the other hand, the plastic film 21 constituting the shrink label 20 has a thickness of 10 to 80 μm, preferably 20 to 50 μm in order to improve the followability of the label when the container 2 is squeezed.
[0016]
This plastic film 21 is made of a heat-shrinkable film 22 as shown in FIG. 3 or FIG. Those having the layer 24 are preferred. Furthermore, as shown in FIG. 4, when forming the printing layer 24 outside the heat-shrinkable film 22, it is preferable to provide the varnish layer 25 as the outermost layer.
[0017]
Here, examples of the material for forming the heat-shrinkable film 22 include polyethylene, polypropylene, polystyrene, polyethylene terephthalate, and polyvinyl chloride. Examples of the material for forming the heat-sensitive adhesive layer 23 include aqueous glues such as starch-based adhesives and glue-based adhesives, or heat-sensitive adhesives such as aqueous or oily polypropylene-based, polyethylene-based, acrylic-based, polyvinyl alcohol-based, and vinyl acetate-based adhesives. Adhesives and other synthetic resin adhesives can be used, and more specifically, for example, copolymers of a polypropylene resin and another synthetic resin can be used. Further, the heat shrink temperature of the heat shrinkable film 22 is preferably lower than the heat activation temperature of the heat-sensitive adhesive layer 23.
[0018]
As a method of attaching the shrink label 20 to the squeeze container 2, for example, first, a plastic film 21 is wound around the squeeze container 2, and the overlapped portion is heated and pressurized to be thermally bonded to form a cylinder. Alternatively, the plastic film 21 is previously formed into a cylindrical shape by thermal bonding, and the plastic film 21 is put on the squeeze container 2 (FIG. 1B).
[0019]
Next, the entire plastic film 21 is thermally contracted by heating to form a shrink label 20 that covers the entire side surface of the squeeze container 2 (FIG. 1C). At this time, in the body 5 of the squeeze container 2, the plastic film 21 is solidly heated and pressed over the entire circumference thereof and heat-bonded, or heat-pressed in a line at predetermined intervals and heat bonded. In the case of performing thermal bonding in a line shape, it is preferable that the bonding area in the body is at least 30%, more preferably 50 to 100%. In FIG. 1C, a region surrounded by a broken line represents the line bonding portion 8 thus formed.
[0020]
As described above, at least in the body 5, the shrink label 20 is thermally bonded to the squeeze container 2, so that even when the body 5 having the largest deformation during squeezing is used during use of the labeled container 1 </ b> A, the shrink is reduced. The label 20 can be prevented from peeling from the squeeze container 2.
[0021]
The present invention can take various aspects other than the above. For example, as in a labeled container 1B shown in FIG. 5, the shrink label 20 may cover not only the body 5 of the squeeze container but also the entire side surface of the cap 7 of the mouth 4. In this case, it is preferable that a perforation 9 is formed in the shrink label 20 below the cap 7 so that the shrink label 20 of the mouth portion 4 can be removed along the perforation 9 when the container 1B with a label is opened. .
[0022]
【The invention's effect】
ADVANTAGE OF THE INVENTION According to this invention, it becomes possible to attach a shrink label to a squeeze container filled with ketchup, mayonnaise, dressing, etc. without impairing the squeeze property, and it is possible to prevent the shrink label from peeling off.
[Brief description of the drawings]
FIG. 1 is an explanatory diagram of a method for manufacturing a labeled container according to one embodiment of the present invention.
FIG. 2 is a layer configuration diagram of a laminated material forming a squeeze container.
FIG. 3 is a layer configuration diagram of a plastic film forming a shrink label.
FIG. 4 is a diagram showing a layer structure of a plastic film forming a shrink label.
FIG. 5 is a perspective view of a labeled container.
[Explanation of symbols]
1A, 1B Labeled container 2 Squeeze container 3 Bottom 4 Mouth 5 Body 7 Cap 8 Line bonding part 9 Perforation 21 Plastic film

Claims (1)

A squeeze container having a large diameter body at the bottom and the mouth at the top of the container, and a gentle shoulder formed between the mouth and the body, and covering at least the entire circumference of the body of the container. A labeled container comprising a shrink label,
Elasticity of the squeeze container 50 to 700 MPa,
0.7-1.3 wall thickness ratio of side and front of squeeze container body,
A label thickness of 10 to 80 μm,
A container with a label, wherein the container and the label are adhered to each other over the entire periphery of the body of the squeeze container at a predetermined interval.

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