JPS607343Y2 - composite packaging container - Google Patents

Description

[Detailed Description of the Invention] The present invention relates to a composite packaging container in which a solid substance such as a liquid or powder is stored in an inner container made of a synthetic resin film and the outside is protected by a paperboard container such as corrugated paper.

Conventionally, a bag made of synthetic resin film containing a liquid or the like is housed in an outer container made of paperboard, and a spout is provided in the bag.

In this type of bag, wrinkles inevitably occur around the spout attached to the top of the inner synthetic resin film bag, and as the stored liquid moves due to vibration or impact during transfer. However, the wrinkled corners have the disadvantage of causing pinholes and leakage due to repeated bending fatigue and friction with the outer container.

In order to eliminate these drawbacks, the inventor developed a frame body that can be fitted onto the inner surface of the side body of the outer container in order to prevent the inner container inside the outer container from moving due to vibrations or shocks during transportation. A composite packaging container is proposed that includes an inner container body that is connected to an inner bag body.

(Utility Application No. 54-98128) In this case, if the inner container is not filled with liquid etc. when storing it in the inner bag, only the frame will move due to vibration or impact during transportation, and the frame will Fatigue from repeated bending occurs at the joint between the inner bag and the inner bag, and there is a risk of pinholes forming at that location, resulting in leakage.

Furthermore, when taking out the stored liquid, etc., the upper flap of the outer container is opened and the lid attached to the opening provided in the frame of the inner container is opened to take out the stored liquid. As the container is removed, the frame falls downward into the outer container, making it difficult to handle when the lid is subsequently closed.

The present invention eliminates such drawbacks, and even if the inner container is not completely filled with stored items such as liquid, pins may be formed at the joint between the frame of the inner container and the bag due to vibrations and shocks during transportation. To provide a composite packaging container which is free from the risk of leakage due to the use of a container, and which is easy to handle because a lid can be easily attached to the opening of the frame even after the stored articles have been taken out.
An outer container 1 made of paperboard and a side body 4 of the outer container 1
A frame 10 with a step 6 provided below the periphery 5 of the upper opening of the side shell 4 and a removable lid 8 attached to the opening 9 is inserted into the side shell 4 of the outer container 1. The inner container 7 has a synthetic resin film bag 11 stored in the side shell 4 mounted on the stepped portion 6 and connected below the frame 10, and the upper opening of the side shell 4 of the outer container 1. It consists of an upper flap 2 which is connected to the peripheral edge 5 and comes into pressure contact with the frame 10 housed inside when sealed.

The present invention will be explained in more detail with reference to FIGS. 1 to 5 showing an example of implementation of the present invention.

The outer container 1 has a rectangular parallelepiped shape as shown in the first figure, and is a commonly used corrugated cardboard container with flaps 2 and 3 arranged on the upper and lower sides of the side body 4.

A reinforcing shell frame 13 is installed inside the side shell 4 of the outer container 1 along the inner surface of the side shell 4, and the upper circumferential edge of the reinforcing shell frame 13 is positioned below the circumferential edge 5 of the upper opening of the side shell 4. The step part 6 is set so that
was formed.

As shown in the first diagram, the inner container 7 includes a thick synthetic resin frame 10 that can be fitted into the side body 4 of the outer container 1, and a bag 11 fixed to the lower surface of the frame 10 along its shape. I warn you from

The frame 10 has an opening 9 formed in its center, and a removable lid 8 can be attached to the opening 9.

In addition, the frame body 10 has a folding line 14 on the front side across the center thereof.
is formed and can be folded in half.

The bag 11 is made of a synthetic resin film and is folded in two. One side has a heat-welded seal portion 15 and the other side is open.

The bag body 11 has its seal portion 15 aligned with the folding line 14 of the frame body 10.
The side surface of the bag body 11 was heat-welded to the back side of the frame body 10 so as to match the shape of the frame body 10.

Therefore, the opening of the frame body 10 is sealed by the bag body 11.

To attach the inner container 7 to the outer container 1, open the frame 10 as shown in the first figure, fold the corners of the bag 11 into the sides of the bag 11, and insert the inner container 7 into the outer container 1. , and the frame 10 is mounted on the stepped portion 6 in the side shell 4.

Then, the upper flap 2 is sealed and the frame 1 is closed as shown in the second figure.
0 is clamped and fixed between the upper flap 2 and the stepped portion 6.

At this time, the upper flap 2 has a breaking line 12 along the shape of the present invention 8 corresponding to the position of the lid 8 of the frame 10 installed inside.
Set it up.

When storing items such as liquids, the outer container 1 with the inner container 7 attached is turned over as shown in the third figure.
Fill the opening of the bag body 11 of the inner container 1 on the lower flap 3 side with liquid, etc., then heat weld the opening of the bag body 11, fold the heat welded part into the square bottom, and close the lower flap 3.
Seal and complete the packaging.

When taking out the stored article, open the upper flap 2 as shown in FIG. 4 or 5 or open it along the break line 12, remove the lid 8 from the exposed frame 10 of the inner container 7, This is done by cutting out the bag body 11 that seals the opening 9, and then resealing it by attaching the lid body 8.

At this time, when the upper flap 2 is opened, the frame 10 of the inner container 7 is pressed against the step 6 in the side body 4 of the outer container 1 due to the weight of the stored items, so the lid is closed. body 8
It is easy to attach and detach the upper flap 2, and the break line 12 of the upper flap 2 is
When the inner container 7 is opened, the frame 10 is fixed, so the lid 8 can be attached and detached very easily, regardless of the amount of articles stored in the inner container 7.

In the embodiment described above, the stepped portion 6 of the outer container 1 is reinforced by the reinforcing frame 1.
Although the upper periphery of the outer container 1 is used, the stepped portion 6 may be formed by pasting a strip of corrugated paper on the inner surface of the side body 4 of the outer container 1.

As is clear from the above description, according to the present invention, a stepped portion 6 is provided in the side body 4 of the outer container 1 at a position below the periphery 5 of the upper opening of the side body 4, and the step portion 6 is provided inside the outer container 1. The frame 10 of the inner container 7 is mounted on the stepped portion 6, and the upper flap 2 of the outer container 1 is pressed against the frame 10 for sealing. Since it is integrated with the outer container 1 and will not move independently due to shocks or vibrations during transportation, there is no risk of pinholes or the like forming at the joint between the frame 10 of the inner container 7 and the bag 11. Furthermore, when taking out the stored article, the frame body 10
frame 1 due to the weight of the stored items.
Since the number 0 is fixed, it is possible to easily open and close the lid 8 and provide a composite packaging container that is convenient for taking out stored articles.

Also, a frame 1 installed inside the upper flap 2 of the outer container 1
When the breaking line 12 is provided along the shape of the lid 8 in correspondence with the position of the lid 8 attached to the opening 9 of 0, the upper flap 2 can be easily opened by the breaking line 12, and the inner frame can be easily opened. Since the body 10 is always held between the step part 6 and the upper flap 2, the lid body 8 can be easily opened and closed regardless of the amount of stored articles, and the composite packaging container is convenient to handle. There is.

[Brief explanation of the drawing]

What is shown is an example of the implementation of the present invention.
The figure is an exploded perspective view, Figure 2 is a partially cutaway perspective view of the inner container stored in the outer container, Figure 3 is a line diagram for explaining the process of storing articles, and Figures 4 and 5. The figure is a perspective view showing a state in which stored articles are taken out. 1...Outer container, 2...Upper flap, 4...Side body, 5...Periphery of upper opening of side body, 6...・Stepped portion, 7... Inner container,
8... Lid body, 9... Frame body opening, 10.
...Frame body, 11...Synthetic resin film bag body.

Claims (1)

[Claims for Utility Model Registration] 1. An outer container 1 made of paperboard, a stepped portion 6 provided within the side shell 4 of the outer container 1 at a position below the periphery 5 of the upper opening of the side shell 4, and a removable and removable surface. Frame body 1 with a flexible lid body 8 attached to an opening 9
0 is inserted into the side body 4 of the outer container 1 and placed on the stepped portion 6, and a synthetic resin film bag body 11 which is continuously provided below the frame body 10 is housed in the side body 4. and an upper flap 2 which is connected to the periphery 5 of the upper opening of the side body of the outer container 1 and comes into pressure contact with the frame 10 housed inside when the outer container 1 is sealed. 2. Request for registration of a utility model comprising a break line 12 provided on the upper flap 2 along the shape of the lid 8 to correspond to the position of the lid 8 when the upper flap 2 of the outer container 1 is sealed. Composite packaging container according to item 1.