JPH082538A - Packaging bag - Google Patents

Abstract

PURPOSE:To provide a packaging bag for chiefly refilling seasonings cosmetics, detergents, which is low in the production cost and excellent in the discharging performance of the contents. CONSTITUTION:In a packaging bag in which a pouring outlet 10 opened by cutting the pouring path 11 is provided at the upper part of a flexible packaging bag 20 made of a resin film, the pouring path 11 is formed to shape a hollow cylinder or a hollow semi-cylinder.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a packaging bag mainly for refilling seasonings, cosmetics, detergents, etc., which is inexpensive to manufacture and has excellent functionality for pouring out contents. is there.

[0002]

2. Description of the Related Art Conventionally, in connection with resource conservation measures related to the global environment, mainly softeners such as resin films, such as seasonings for refilling, cosmetics and detergents, as shown in FIG. At the top of the packaging bag (20), cut the pouring pipe line (11) and open it,
Packaging bags for liquids provided with spouts (10) of various shapes are widely used.

On the other hand, as shown in FIG. 4, it is possible to improve the function of pouring out the contents of the conventional packaging bag for liquid shown in FIG. 3 described above. ), A liquid packaging bag in which a hollow cylindrical body (12) made of plastic or the like is attached, or a soft packaging bag (20) provided with a plastic hollow cylindrical plug (13) Packaging bags for use are the ones used.

[0004]

However, in the conventional packaging bag for liquid shown in FIG. 3 described above, the pour-out pipe line at the upper part of the flexible packaging bag (20) made of resin film or the like is used.
It is convenient to cut the (11) and open the spout (10) to push the packaging bag for liquid by hand to pour out the contents, or release the hand to stop the pouring of the contents. Although it is a packaging bag for liquids, mainly as a packaging bag for liquids for refilling, unless the packaging bag for liquids is pushed by hand, the contents cannot be efficiently poured out, and When the remaining amount becomes low, it becomes difficult to pour from the liquid packaging bag, and the amount of residual liquid adhering to the liquid packaging bag is large and the contents are wasted. There was a problem with the pouring functionality.

On the other hand, regarding the liquid packaging bag shown in FIG. 4, the hollow cylindrical body (12) or the hollow cylindrical plug body (1
3) is provided, the packaging bag for liquid can be turned upside down to improve the dispensing functionality of the above-mentioned contents, but it is an excellent packaging bag for liquid, but the spout of the flexible packaging bag (20) It is troublesome to attach the hollow cylindrical body (12) made of plastic or the like to (10), and the soft packaging bag (20) is provided with the plastic hollow cylindrical stopper (13). It was expensive.

[0006]

In order to solve the above problems, the present invention provides, as shown in FIGS. 1 and 2, an upper portion of a flexible packaging bag (20) made of a resin film or the like. Outlet pipe
In the packaging bag provided with the spout (10) that cuts and opens (11), the manufacturing cost is low because the spout pipe line (11) is formed into a hollow cylindrical shape or a hollow semi-cylindrical shape. The present invention provides a packaging bag having excellent functionality for pouring out contents.

[0007]

In the packaging bag of the present invention, a flexible packaging bag (20) made of a resin film or the like is provided with a spout (10) at the upper portion thereof, which is opened by cutting the spout conduit (11). In, by forming the spout conduit (11) into a hollow cylindrical shape or a hollow semi-cylindrical shape, the spout conduit (11) is cut to open the spout (10), and the packaging bag is inverted. By simply doing so, the contents can be efficiently poured out without pushing the packaging bag by hand.
Further, even if the remaining amount of the content is low, it is not difficult to pour from the packaging bag, and the amount of residual liquid adhering to the packaging bag is small, so that the content is not wasted. A packaging bag having excellent functionality for pouring out contents such as seasonings for refilling, cosmetics and detergents can be obtained.

In the packaging bag of the present invention, the contents such as a free-flowing powdery or granular form such as seasonings for refilling, cosmetics, detergents, etc. are accommodated and are suitable as liquids. It can be discharged to.

[0009]

【Example】

<Embodiment 1> FIG. 1 is a plan view of a packaging bag according to Embodiment 1 of the present invention. That is, at the upper corner of the flexible packaging bag (20) made of a laminated resin film, a spout (10) with a cutout (a) for cutting and opening the spouting conduit (11) is poured. Exit (1
The area around (0) is heat-sealed in a U shape,
In a self-supporting packaging bag commonly referred to as a standing pouch, the periphery of the spout (10) is heat-sealed in a U shape, and at the same time, the spout pipe line (11) is vacuum-formed into a hollow cylindrical shape. It shows a state in which the packaging bag is manufactured.

Regarding the flexible packaging bag (20) made of a laminated resin film in the packaging bag of this example, a corona-treated surface of a PET film (P-11, manufactured by Toray Industries, Inc.) having a thickness of 12 μm was used.
A urethane adhesive of 3.0 g / m ² is applied, and a 150 μm-thick coextrusion sealant film (Ny / LLDPE, CEL-6200, Sumitomo Bakelite Co., Ltd.) is applied to the urethane adhesive application surface.
(Manufactured by K.K.) using a laminated resin film laminated with a nylon surface, the laminated resin film is W-folded, and the periphery of a soft packaging bag (20) is heat-sealed to form a self-sustainable packaging shown in FIG. It is a bag made into a bag.

In the packaging bag of the present embodiment, the method of heat-sealing the periphery of the spout (10) in a U shape and simultaneously vacuum forming the spout conduit (11) into a hollow cylinder has been described above. In the process of folding the laminated resin film in a W shape and heat-sealing the periphery of the soft packaging bag (20) to form a self-standing packaging bag, the laminated resin film is first folded in a W shape to form a hollow semi-cylindrical shape. 1 is used after vacuum-suctioning the hollow semi-cylindrical concave portion of the molding die using the molding die having the concave portion of FIG. 1 to vacuum-form the pouring pipe line (11) into a hollow cylindrical shape of 3 to 15 mmφ. As shown in FIG. 5, the flexible packaging bag (20) is heat-sealed around the periphery, leaving the upper part, and the packaging bag of this example is made into a bag. A liquid detergent is accommodated, the upper part of the packaging bag is heat-sealed, and the packaging bag of the present embodiment is hermetically sealed.

In this case, by using a molding die having a hollow semi-cylindrical concave portion, the hollow semi-cylindrical concave portion of the molding die, which is only one side of the laminated resin film, is vacuum-sucked to form a spout pipe. The channel (11) can be vacuum formed into a hollow semi-cylindrical shape.

Further, in the packaging bag of this embodiment, when the contents to be contained are seasonings or cosmetics for refilling, and there is a demand for quality such as light shielding property and gas barrier property, Using a laminated resin film obtained by appropriately laminating an aluminum foil having a thickness of 9 to 25 μm, a spouting conduit (11)
Can be vacuum-formed into a hollow cylindrical shape or a hollow semi-cylindrical shape.

Next, in the packaging bag of this embodiment, the dispensing pipe (11) was cut along the cutting notch (a) to open the spout (10), and the packaging bag was turned upside down. However, the contents can be efficiently poured out without pushing the packaging bag by hand, and even when the remaining amount of the contents is low, it is not difficult to pour out from the packaging bag. In addition, the amount of residual liquid adhering to the packaging bag was small, the contents were not wasted, and a packaging bag with excellent pouring functionality of the liquid detergent for refilling the contents was obtained. It is a thing.

<Second Embodiment> FIG. 2 is a plan view of a packaging bag according to a second embodiment of the present invention. That is, in the upper corner portion of the soft packaging bag (20) made of a laminated resin film, which is made by using the same laminated resin film as in Example 1, the spouting conduit is provided.
Spout (10) with cut mark line (b) that cuts and opens (11)
The, the left and right of the spout (10) provided by heat fusion in parallel (heat seal), in a packaging bag commonly known as a three-way seal bag, at the same time as the left and right of the spout (10) is heat fusion in parallel, Outlet pipe
It shows a state in which the packaging bag of this example, which is obtained by pressure-molding (11) into a hollow cylinder, is manufactured.

In the packaging bag of this embodiment, the left and right sides of the spout (10) are heat-bonded in parallel, and at the same time, the spout pipe line (11) is pressure-molded into a hollow cylindrical shape. Using two parallel heat-sealing dies with two parallel recesses, when heat-sealing the three sides of the soft packaging bag (20) and the left and right sides of the spout (10) Insert the cylindrical rod into the hollow semi-cylindrical concave part of the fusion mold and set the pouring pipe line (11) to 4 to 12 mmφ.
After press-molding into a hollow cylindrical shape, the cylindrical rod-shaped body is pulled out to form the packaging bag of this embodiment shown in FIG. 2, and the shampoo for refilling, which is the content, is stored therein. Then, the lower portion of this packaging bag is heat-sealed to seal the packaging bag of this embodiment.

Next, in the packaging bag of this embodiment, the dispensing pipe (11) was cut along the cutting mark line (b) to open the spout (10), and the packaging bag was turned upside down. However, as in Example 1, a packaging bag having excellent pouring functionality of the shampoo for refilling, which is the content, was obtained.

[0018]

As described above, according to the operation and the embodiment, in the packaging bag of the present invention, the pouring pipe line (11) is cut on the upper part of the flexible packaging bag (20) made of resin film or the like. In a packaging bag provided with an opening spout (10) that opens, by forming the spout conduit (11) into a hollow cylindrical shape or a hollow semi-cylindrical shape, the spout conduit (11) is cut and the spout ( By opening (10) and turning the packaging bag upside down, the contents can be efficiently poured out without pushing the packaging bag by hand, and the remaining amount of the contents can be reduced. In addition, it is not difficult to pour from the packaging bag, the amount of residual liquid adhering to the packaging bag is small, and the contents are not wasted. A packaging bag can be provided.

Further, in the packaging bag of the present invention, as shown in the embodiment, a spout which cuts the spout pipe line (11) to open.
(10), the periphery or left and right of the spout (10) is provided by heat fusion, and at the same time, the spout conduit (11) can be formed into a hollow cylindrical shape or a hollow semi-cylindrical shape. It is not necessary to provide the hollow cylindrical body (12) and the hollow cylindrical plug body (13) shown in FIG. 4, and mainly the manufacturing cost of refill seasonings, cosmetics, detergents, etc. It is possible to provide a packaging bag that is inexpensive and has excellent functionality for pouring out contents.

Furthermore, in the packaging bag of the present invention, a spout which cuts and opens a spouting conduit (11) having a shape suitable for the material, specifications, thickness, etc., such as a resin film constituting the packaging bag. By providing (10) and forming the discharge pipe line (11) into a hollow cylinder or hollow semi-cylindrical shape with an appropriate diameter, the discharge functionality such as the discharge amount, speed, and liquid shortage of the contents Can be adjusted appropriately.

[Brief description of drawings]

FIG. 1 is a plan view of a packaging bag according to a first embodiment of the present invention.

FIG. 2 is a plan view of a packaging bag according to a second embodiment of the present invention.

FIG. 3 is a plan view of a conventional packaging bag for liquid.

FIG. 4 is a plan view of a conventional packaging bag for liquid.

[Explanation of symbols]

 10 ... Pouring port 11 ... Pouring pipe line 12 ... Hollow cylindrical body 13 ... Plug body 20 ... Soft packaging bag a ... Cutting notch b ... Cutting mark line

Claims (1)

[Claims] 1. A packaging bag in which a spout (10) for cutting and opening the spout pipe (11) is provided on an upper part of a soft packaging bag (20) made of a resin film or the like. A packaging bag, characterized in that (11) is molded into a hollow cylindrical shape or a hollow semi-cylindrical shape.