JP2002154153A - In-mold label for blow molding - Google Patents

Abstract

PROBLEM TO BE SOLVED: To surely fit a label on the outer surface of a blow-molded article rich in unevenness without generating positional deviation and wrinkle. SOLUTION: An in-mold label set in a mold in advance when blow molding is performed is provided with a shape coinciding with the outer surface of the blow-molded articles in advance.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an in-mold label which is set in a mold in advance at the time of blow molding, and particularly to an in-mold label which is intended to accurately label a desired position of a blow molded article having undulations on its surface. It is.

[0002]

2. Description of the Related Art An in-mold label is provided by placing a label having a heat seal layer in a blow molding mold, sucking the label,
The labeling is performed simultaneously with the molding by welding the heat seal layer of the label by the heat of the resin at the time of the blow molding. Usually, a sheet having a flat surface is used.

[0003] In recent years, containers having various shapes have been used as containers for filling cosmetics, detergents, and the like in order to differentiate them from other products. Color and text in a specific area,
When applying an in-mold label such as applying a figure, it is essential that the label be accurately positioned at a desired position of the molded article. The suction and retention are not good, the resin gets around between the mold and the label, and the air existing between the resin and the label cannot be reliably released. There is a problem that it is misaligned.

[0004]

SUMMARY OF THE INVENTION An object of the present invention is to propose a novel in-mold label which can be labeled at a desired and appropriate position in a blow-molded article having an uneven outer surface. .

[0005]

The present invention is directed to an in-mold label having a heat seal layer and set in a mold in advance during blow molding, wherein the in-mold label is a blow molded product to be molded. 3. An in-mold label for blow molding, having a shape conforming to the outer shape of the label.

[0006] The shape of the label conforming to the outer shape of the blow molded article to be molded is advantageously provided by provisional molding before being attached to the blow mold.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS In-mold labels are preliminarily molded by using a stamping die adapted to the external shape of a blow-molded article, and the temporarily molded label is blow-molded. Place in the mold.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described more specifically with reference to the drawings. FIG. 1 shows the appearance of a container on which an in-mold label according to the present invention is labeled, wherein 1 is a container made of synthetic resin formed by blow molding, and 2 is a container 1.
Is a label that is labeled on the outer surface of the.

The container 1 has a triangular convex portion 1a extending in the longitudinal direction of the outer surface of the container 1 as a sign or a pattern, and a label 2 for giving a different color to the convex portion 1a and a curved surface following the convex portion 1a is attached. is there. In order to attach such a label, first, an unfolded label (original) as shown in FIG.
2a is produced.

Next, press dies (convex and concave) A and B having the same appearance surface as the container to be blow-molded, such as thermoforming.
The label is preformed as shown in FIG.

The in-mold label 2 obtained by temporary molding is
As shown in FIG. 4, it is arranged in the mold 3 and is subjected to blow molding.

Since the in-mold label 2 has the outer shape of the molded product to be blow-molded, it is ensured that the in-mold label 2 does not displace in the mold 3 and is located at a desired position to be welded. It will be attached to.

Although the present invention has been described as an in-mold label for blow molding, it may be used as an in-mold label for injection molding.

As the in-mold label, in addition to a colored label, a label which has been decorated in advance with characters, figures, or a combination thereof can be used.

[0015]

According to the present invention, it is possible to reliably attach a label to a desired portion of a molded article having a large amount of undulations suitable for differentiating from other products without generating wrinkles or displacement.

[Brief description of the drawings]

FIG. 1 is a view showing the appearance of a molded article (container) to which an in-mold label according to the present invention is attached.

FIG. 2 is a diagram showing a development label.

FIG. 3 is an explanatory diagram of temporary molding.

FIG. 4 is an explanatory view of a procedure for attaching an in-mold label to a mold.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Container 1a Convex part 2 Label 2a Development label 3 Mold A, B Press mold

 ────────────────────────────────────────────────── ─── Continued on the front page (72) Inventor Yoshio Akiyama 1550 Fukiage-cho, Tochigi-shi, Tochigi F-term in Yoshino Works Tochigi Factory (reference) 3E033 AA01 BA13 DB03 DD01 DE20 EA20 FA03 GA02 4F208 AD09 AD20 AG03 LB01 LB19 LJ05 LJ08

Claims (2)

[Claims] 1. An in-mold label having a heat seal layer and set in a mold in advance during blow molding, wherein the in-mold label has a shape conforming to an outer shape of a blow molded product to be molded. An in-mold label for blow molding, comprising: 2. The blow-molding in-mold according to claim 1, wherein the shape conforming to the outer shape of the blow-molded article to be molded is given by temporary molding before being mounted on a blow-molding mold. label.