JPS6119089Y2 - - Google Patents

Description

[Detailed Description of the Invention] This invention relates to a packaging container, and more particularly, to a packaging container that has the functions of packaging and tasting products.

Conventionally, as shown in FIG. 3, as a means for engaging the storage box and the lid, for example,
As disclosed in Publication No. 28131, there is a known device in which a concave surface is formed in the corner of the storage box, and a convex surface that matches the concave surface is protruded from the inner surface of the corner of the lid body to form an engaging portion. It is.

However, conventional locking means, as typified by the above-mentioned engaging portion, have a concave or convex surface of the engaging portion at the corner of the storage box or lid, or at the upper part of the side wall. , if you try to mold it in one piece using press processing,
The unevenness of the engaging portion is substantially orthogonal to the pressing direction, making the operation of cutting out the mold 5 extremely difficult. For this reason, it was not possible to increase the level difference between the concave and convex surfaces provided as the engagement portion, and a strong engagement force could not be expected.

Also, in order to obtain a strong engagement force, if the press work for molding the container and the press work for molding the engagement part are performed in separate processes, it is possible to increase the level difference in the unevenness of the engagement part. However, the manufacturing process is complicated and the cost of just forming the engaging portion is extremely difficult, making it extremely difficult to conduct experiments.

Therefore, in view of the above-mentioned drawbacks, this invention aims to develop a package container that can integrally mold an engaging part with a large step and a strong engaging force, and that can improve the efficiency of single-piece cutting work. This is the purpose.

In order to achieve the above object, this invention has a storage box formed by pressing thermoplastic resin, a side wall higher than the side wall of the storage box, and a detachable cover that overlaps the outer periphery of the storage box. In the container, a locking step is provided protruding from the lower part of the outer periphery of the side wall of the storage box, and a locking step of approximately the same length as the height of the locking step is provided at the bottom of the locking step. The gist is that a concave portion having a depth is provided, and a convex portion that matches the concave portion is formed on the inner peripheral portion of the side wall of the lid.

Hereinafter, one embodiment of this invention will be described in detail with reference to the drawings.

The symbol A shown in the figure is a storage box formed by pressing thermoplastic resin, and the symbol B is a storage box A.
A transparent lid is shown which has a side wall 7 higher than the side wall 1 of the storage box A, and which overlaps and removably covers the outer periphery of the storage box A.

In the container composed of the storage box A and the lid B, a locking step 2 is provided protrudingly at the lower part of the outer circumference of the side wall 1 of the storage box A. A concave portion 3 having a depth approximately equal to the height of the portion 2 is provided, and a convex portion 6 matching the concave portion 3 is formed on the inner peripheral portion of the side wall 7 of the lid body. The storage box A is placed between the side walls 1 that are facing each other among the surrounding side walls 1.
A locking step portion 2, such as a belt-shaped locking step portion 2, is provided which protrudes from the lower portion of the outer peripheral portion, and in the illustrated example, a pair of concave portions 3 are provided at the lower portions of the outer peripheral surface of the locking step portion 2 facing each other. At this time, if the concave portion 3 is provided close to the corner of the storage box A, an effective locking force can be obtained. The shape and size of the concave portion 3 are conveniently determined depending on the weight of the items to be stored in the convex portion 6, the material of the storage box A, and the like. By tapering the corners 4 of the storage box A, the efficiency of cutting out the mold 5 during processing can be further improved.

Since this invention is constructed as described above, it is possible to integrally mold an engaging part with a large step that has an extremely strong engaging force, and it is also possible to improve the efficiency of die cutting work. .

That is, a storage box A formed by pressing a thermoplastic resin, and a side wall 7 higher than the side wall 1 of the storage box A.
and a transparent lid B that overlaps and detachably covers the outer periphery of the storage box A, a locking step 2 is provided at the lower part of the outer periphery of the side wall 1 of the storage box A.
By protruding, the locking step portion 2 can be easily molded, and the locking step portion 2 with a high height can be formed. Further, a concave portion 3 having substantially the same depth as the height of the locking step 2 is provided at the lower part of the locking step 2, and a convex portion 6 that matches the concave portion 3 is attached to the inner periphery of the side wall 7 of the lid B. By forming the recessed portion in the section, the step difference between the locking step portion 2 and the concave surface portion 3 can be increased. Therefore, the storage box A and the lid B are fitted with an extremely strong engagement force. Moreover, since the concave surface part 3 is provided further below the locking step part 2, this concave surface part 3 becomes the position where it is easiest to perform the mold 5 cutting operation, thereby improving the efficiency of the mold 5 cutting operation. It is something that can be done.

Further, by making the height of the locking step portion 2 and the depth of the concave portion 3 the same, the workability of the locking step portion 2 and the concave portion 3 can be improved.

Furthermore, by forming the side wall 7 of the lid body B higher than the side wall 1 of the storage box A, it becomes possible to see the items stored in the storage box A from the side, further enhancing the effect as a display. It is possible.

In this way, according to this invention, it is possible to integrally mold an engaging part with a large step that has a strong engaging force, and it is also possible to improve the efficiency of single-piece cutting work, and it is also possible to remove stored items even from the side. It has various practical effects, such as being able to be seen through the display case and thus being useful as a display case.

[Brief explanation of the drawing]

Figures 1 and 2 show an embodiment of this invention, with Figure 1 being an exploded perspective view, Figure 2 being a partial sectional view showing concave molding, and Figure 3 being a conventional storage box. FIG. A...Storage box, B...Lid, 1...Side wall, 2...
...Locking step part, 3... Concave surface part, 4... Corner part, 5...
Mold, 6...Convex portion, 7...Side wall, 8...Mount, 9
...Print, 10...Storage box, 11...Concave.

Claims (1)

[Scope of utility model registration request] A container consisting of a storage box formed by pressing thermoplastic resin, and a transparent lid that has side walls higher than the side walls of the storage box and that overlaps and removably covers the outer periphery of the storage box. A locking step is provided at the lower part of the outer periphery of the side wall of the storage box, and a concave portion having a depth approximately equal to the height of the locking step is provided at the bottom of the locking step, and the concave surface 1. A package container characterized in that a convex surface portion matching the inner circumference of the side wall of the lid body is formed on the inner peripheral portion of the side wall of the lid body.