JPH1120823A - Widely openable paper container for liquid - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a widely openable paper container for liquid, which is applicable to high-viscosity contents, contents having solidifying properties, contents containing solid materials, contents that requires stirring when used, or the like. SOLUTION: In this square-columnar paper container 100 for liquid, a top seal 110 is folded in a flat form to one side of a top sheet 120 according to a ruled line, and triangular lugs 140 formed at both ends are folded downwardly to side walls 130 to be separably stuck thereon. A cut instruction line 101 extending to both the ends is inscribed on the ruled line on the folded inner side face of the top seal 110, and an explanatory note 102 of an unsealing method is shown on the surface of the container.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

TECHNICAL FIELD The present invention relates to a high-viscosity content,
The present invention relates to a widely open liquid paper container used for contents having coagulability, contents containing solid matter, or contents requiring stirring at the time of use.

[0002]

2. Description of the Related Art Conventionally, a rectangular column-shaped liquid paper container having a flat top has been used in a wide range of food fields such as alcoholic beverages, fruit drinks, coffee drinks, and liquid soups. At the time of use, as shown in FIG.
One or both sides of a triangular ear (140) formed below both ends of the top seal (110) attached to the top seal (110) are peeled off from the side wall (130), and the tip is cut off with scissors or the like. (The position shown by the dashed line), the spout was opened and used. Alternatively, in consideration of convenience in use, as shown in FIG. 3 (b), a spout which is heat-fused to the top plate part (120) and screwed to a spout projecting therefrom and fitted with a cap. Some had (150).

[0003]

However, in the above-mentioned conventional liquid paper container, the triangular lugs at both ends of the top seal overlap the laminated material forming the container in a double or quadruple manner. This is a part, which requires a force for cutting and is difficult to cut, and the size of the opening area is naturally limited. Also, the latter having a plug at the top, the size of the diameter of the plug is at most about 34 mm, a high-viscosity content, a content having solidification, a content containing a solid material There is a problem in applying the method to materials or contents that require stirring at the time of use.

The present invention solves the above-mentioned problems of the conventional liquid paper container, and requires a high-viscosity content, a content having coagulability, a content containing a solid material, or agitation at the time of use. SUMMARY OF THE INVENTION It is an object of the present invention to provide a wide-opening liquid paper container which can be applied to contents to be filled.

[0005]

According to the present invention, as shown in FIG. 1 (a), a top seal portion (110) is bent flat by a ruled line on a top plate (120) on one side and formed on both ends. The triangular ears (140) to be
FIG. 1 (c) is a quadrangular prism-shaped liquid paper container (100) which is bent downward and adhered in a peelable manner, as shown in FIG. 1 (c). , A notch instruction line (101) extending over both ends of the liquid paper container (10), and an opening method explanation (102) is displayed on the surface of the container.
0).

[0006]

According to the liquid paper container of the present invention, the triangular ear stuck on the side wall is peeled off roughly from the side wall in accordance with the opening method description on the surface of the container.
With the top seal part upright, cut the cut line indicated on both sides of the ruled line on the inside surface of the top seal part with a knife or a cutter, and open this cut. Since the length is one half of the length, the top plate is upright and the container is widely opened. Therefore, the present invention can be applied to a high-viscosity content, a content having coagulation properties, a content containing a solid material, a content requiring stirring at the time of use, and the like.

In addition, the cut is easy because the laminated material forming the container is a single sheet and a relatively small force is not required for the cut, and since the cut is on the folded ruled line, the cut is formed by the cut line. It is possible to cut straightly and safely without causing the edge of the blade to shake.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A liquid paper container according to the present invention is shown in FIG.
As shown in (a), the top seal portion (110) is bent flat by a ruled line on one side of the top plate portion (120), and triangular ear portions (140) formed on both ends of the top seal portion. Is bent downward to the side wall (130),
This is a quadrangular prism-shaped liquid paper container (100) stuck releasably by heat fusion or an adhesive, and as shown in FIG. Over the cutting instruction line (101) by printing or the like, and an opening method explanation (102) is printed or labeled at an appropriate position on the surface of the container.

A liquid paper container usually has a basis weight of 3
A laminated material having a heat-sealing layer of a thermoplastic resin such as a polyethylene or polyester resin having a surface layer of 15 to 30 μm and a back layer of 40 to 70 μm using a paperboard layer of 100 to 400 g / m ² as a base material layer is printed. And blanking is made by punching, and this blank is back-backed to make a sleeve,
This sleeve is loaded into a filling machine to form a box and at the same time fill and seal the contents. The laminated material has a barrier layer such as an aluminum foil, a deposited film of a single metal or metal oxide, an ethylene vinyl alcohol copolymer film, a nylon film, or the like, depending on the purpose of use of the container.

As shown in FIG. 2, for example, the blank of the liquid paper container of the present invention comprises a back seal panel (11), a left side panel (12), a front panel (13), a right side panel (14) and The back panel (15) is sequentially connected via a ruled line (shown by a dashed line), and a left side panel (12) on the ruled line (shown by a dashed line) at the lower end of the top seal portion (110). From the center (p) of the front panel (1
A cutting instruction line (101) (shown by a two-dot chain line) is printed over the center position (q) of the right side panel (14) through 3), and a description of the opening method is provided on the top surface portion (120) of the front panel. (102) (shown in a box surrounded by a two-dot chain line).

The method for opening the liquid paper container (100) of the present invention at the time of use is described in, for example, FIGS. 1 (a) to 1 (e).
As shown in the figure, first, the description of the opening method (102) written on the surface of the container is read, and according to this method, the side wall portion (1) is read.
The triangular ears (140) attached to (30) are peeled off roughly from the side walls, and then the top seal (11)
0) is set upright, and a cut-instruction line (101) which is written on both sides of the ruled line on the inner side surface of the bent side of the top seal portion.
Cut with a knife or a cutter.
The top plate (120) is erected while opening 3) to open the container widely. This opening area is the same as the cross-sectional area of the body of the container.

[0012]

When the liquid paper container of the present invention is opened according to the opening method description on the surface of the container, the container can be widely opened in an easy opening manner. For this reason, it can be applied as a container for accommodating a high-viscosity content, a content having solidification properties, a content containing a solid material, or a content requiring stirring at the time of use.

[Brief description of the drawings]

FIGS. 1A and 1B are perspective views of essential parts sequentially showing an opened state of a liquid paper container according to an embodiment of the present invention, wherein FIG. 1A shows a state before opening, and FIG. (C) is a state where the top state is set, (d) is a state where the cutting instruction line is cut, and (e).
Is a wide open state.

FIG. 2 is a blank of the liquid paper container of the present invention shown in FIG.

FIGS. 3A and 3B are perspective views showing the appearance of a conventional liquid paper container, wherein FIG. 3A is a general container, and FIG. 3B is a container having a top plate provided with a stopper.

[Explanation of symbols]

 10 Blank 11 Back seal panel 12 Left side panel 13 Front panel 14 Left side panel 15 Back panel 100 Liquid paper container 101 Cutting instruction line 102 Opening method explanation Sentence 103: Cut 110: Top seal part 120: Top plate part 130: Side wall part 140: Ear part 150: Plug

Claims (1)

[Claims] 1. A quadrangular prism in which a top seal portion is bent flat on a top plate portion on one side by a ruled line, and triangular ear portions formed on both ends are bent downward on side wall portions and adhered releasably. A wide-opening liquid paper container, characterized in that a cut instruction line extending over both ends is written on a ruled line on a bent inner surface of the top seal portion, and an opening method explanation is written on the surface of the container. container.