JPH0212209Y2 - - Google Patents

Description

[Detailed description of the invention] Industrial field of application This invention press-works a thin sheet of synthetic resin to form a container body and a lid separately or jointly.
Regarding a packaging container in which a main body and a lid are fitted together, more specifically, a container that makes it easy to open the lid against fitting means when such a container is used. This is related to the improvement of.

Conventional technology Packaging containers formed by press processing have been known for a long time, and containers made from thin sheets of synthetic resin are convenient and disposable, and are especially easy to consume after passing through food distribution channels. It has been prized by people. Regardless of whether the main body and lid of such containers are formed separately or integrally, the materials used are thin and have poor shape retention, so various reinforcements are taken and the lids are removed during the distribution process. Care is taken when wearing it. A fitting means as shown in FIG. 2 is used to attach the main body and the lid, and is used in many container products. That is, in the figure, 1 is the main body of the container, and 2 is the lid. The main body 1 has a frame edge 4 provided at the upper end of the side wall 3 to reinforce the upper opening.
The frame edge 4 is made up of a flange portion 5 that extends horizontally outward from the upper edge of the side wall 3, and a hanging side 6 that is bent downward and hangs down the outer edge of the flange portion 5.
It has a thin shape with a downward cross section along with the upper part. The shape of the hanging side 6 is arbitrary, such as a right-angled side or a bead shape.

On the other hand, if the lid body 2 is explained in a closed state, the opening part is reinforced by providing a frame edge 7 on the outer periphery of the lid body 2, and this frame edge 7 is a horizontal flange part similar to the flange part of the main body 1. 8 and a hanging side 9 which is formed by bending and hanging the outer edge of the flange part 8 downward, and the cross section of this part has a shape corresponding to the hanging side 6. This hanging side 9 is longer in cross section than the hanging side 6 of the main body 1,
A protruding strip 10 extends inward from a position beyond the hanging side 6.
has been formed. The main body 1 and the lid 2 have substantially the same dimensions, with flanges 5 and 8 and hanging sides 6 and 9.
The lid 2 is used by being placed over the main body 1 so that the lid 2 is in contact with the main body 1. The outermost edges 11 of the main body 1 and the lid 2 are left with a slight horizontal portion as shown because such products are molded in large numbers from large pieces of material at the same time and then individually cut. The inner structure of the frame edges 4 and 7 is arbitrary, and other means may be added to the engagement between the main body 1 and the lid body 2.

In this example, the main body 1 and the lid 2 are engaged with each other by storing the contents in the main body 1, overlapping the frame edges, and pressing the lid 2 against the lid 2. 5, causing partial elastic deformation of the outer periphery of the entire container, and the frame edges 4 and 7 successively abut and are engaged. At the time of this contact, the lower end of the hanging side 6 of the main body 1 is deformed inward and the hanging side 9
As a result of the outward deformation, the outer edge 11 of the hanging side 6 crosses over the curved surface of the protruding strip 10 and assumes an engaging position above the protruding strip 10, and the lid body 2 is fitted to the main body 1 around the entire circumference. It will be worn.

Problems that the invention aims to solve Although conventional packaging containers of this type are molded from thin synthetic resin sheets, they retain their shape well by fitting using elastic deformation. Although it is possible to prevent the lid from falling off due to unexpected impact during the distribution process, and even the contents from escaping, the above-mentioned fastening means is only reliable and does not allow the final user to open the lid. However, since there is no means for separating the lid, it is very difficult to open the lid. In theory, you just need to apply the opposite force to the one used to close the lid, but the action of pressing on a table or the like and the action of pulling it apart in mid-air are two different things, and the force used to grip the container is different. , external forces for dissociation never cause sequential deformation. Furthermore, even if both hanging sides are partially moved relative to each other, the hanging side 6 faces above the convex strip 10 in the opposite direction, and the outer edge 11 is held in a claw shape and the lid body 2 is lifted up. do not have. To release this attachment, you must put your fingertips on the lower end of the hanging side 9 of the lid and spread it out to avoid the protruding stripes, which tends to cause "tearing", and this tendency is stronger for smaller containers. It is difficult to open the lid smoothly.

Means to Solve the Problems With containers that employ the anchoring method as explained in FIG. 2, the above-mentioned problems have actually been pointed out by customers on the customer side, and a solution to these problems has been desired.

The present invention utilizes the fitting function provided in this type of container as is, and also applies a force for disassembly to both the main body and the lid at the same time, with the aim of making it easier to open the lid. The gist is to provide a "knob" for the fingertips to rest on.

In general, for fixed containers, it is easy to open the lid by applying a gripping force to the main body and the lid, and if the main body is heavy, only the lid can be opened. be.

For containers made of thin sheets of synthetic resin by press working, various methods are available for attaching the lid to the main body.The simplest method is to overlap the respective outer peripheral frames and attach the lid to the body There is something that just fits in. In the case of such a product, it is easy to open the lid by placing a finger on the outer peripheral flange or by using a knob, and it is possible to provide an additional knob in some parts, but it is necessary to open the lid with a fitting means. In the end, it is necessary to provide special construction means on the outer periphery and the outer edge, and the present invention has a part of the hanging side formed on the outer periphery at least at one position corresponding to the main body and the lid. The lid is characterized by a knob that allows the lid to be opened smoothly and easily with both hands.

Examples The present invention will be explained based on examples of preferred packaging containers.

Figure 1 shows the entire packaging container of the present invention. Figure 1 shows an example of a round-cornered container in which the main body 1 and the lid 2 are integrally molded, and Figure 2 shows the main body 1 and the lid 2 separately. Another example of an oval-shaped container is shown, and in both figures, the lid 2 is opened to show the back side. Figure 2 is Figure 1 -
FIG. 3 is a general sectional view of the part indicated by the line, and FIG. 3 is a sectional view of the main part indicated by the - line in FIG. 1. 2 is as described above, and the reference numerals of various parts are similarly applied to FIG. 1.

In FIG. 1, 3 is a side wall of the main body 1,
It has a frame edge 4 around its upper edge, and the frame edge 4 is made up of a flange portion 5 and a hanging side 6. The lid body 2 has a frame edge 7 around the entire circumference, and the frame edge 7 consists of a flange part 8 and a hanging side 9. The hanging side 9 is wider in the vertical direction than the hanging side of the main body, and the frame edge 7 is made up of a flange part 8 and a hanging side 9. Convex strip 10 on the upper edge
has been established. If you put a lid on such a container,
As shown in FIG. 2, the frame edges 4 and 7 abut, and the main body 1
The hanging side 6 is located inside the hanging side 9 of the lid body 2,
The outer edge 11 of the lower end of the hanging side 6 is engaged with the protrusion 10, and the lid 2 is fitted onto the main body 1.

In this invention, as shown in Figures 1 and 2 of Figure 1,
The main body 1 and the lid 2 are provided with tabs 12 and 13 as knobs for opening and closing, respectively. That is, in Figure 1, there is a horizontal corner at the corner of the side opposite to the connecting side J between the main body 1 and the lid 2, and in Figure 2, the horizontal It is molded integrally so that it protrudes in the direction. To describe the fitted state shown in FIG. 3, which is common to both examples, the lug 13 provided on the lid 2 extends outward from the cutting line at the outer edge 11 of the protruding strip 10 on the hanging side 9. It is possible to form a protrusion.

On the other hand, the ear piece 12 on the main body 1 side is formed to extend to the lower end of the hanging side 6, but the hanging side 6 has an additional length downward in this part, and this extended part has an outward groove. 14 is provided to correspond to the protrusion 10, and is bent horizontally from the lower end to form a protruding ear piece 12. That is, the lug 12 of the main body 1 is not formed as an extension from the outer edge 11 as in the lid 2, but is extended downward by the length of the protrusion 10, and then
The lug piece 12 is formed at the same horizontal position as the lug piece 13 of the lid body 2, and the outer edge 1 of the general part of the hanging side 6
The ear piece 12 is cut and formed at a position different from the ear piece 1. If two or more positions are provided as shown in Fig. 1 and 2, or more depending on the shape, the opening/closing work efficiency will be improved.

As a result, the tabs 12 and 13 are positioned vertically overlapping each other. If the protruding length or size of both ear pieces is changed, or if a small protrusion 15 is formed on one of the ear pieces at the same time as molding, the two ear pieces will not be brought into close contact with each other, but will be slightly opened at the tips, making it difficult to place fingers. becomes easier,
Furthermore, by providing a satin-like unevenness on the ear piece, it is possible to prevent fingers from slipping when using the knob, making operation easier.

Function The function of the ear piece of the present invention is explained by the method of using the container.

The main body 1 and the lid 2 of the container configured as described above are fitted together by the contact between the frame edges 4 and 7 and the engagement between the protrusion 10 and the lower end of the hanging side 6, as described above. Ru. At this time, in the portion where the ear piece 12 and the ear piece 13 are opposed to each other, the protrusion 10 and the ear piece 1 are further provided around the circumference.
The lug 12 and the lug 13 are vertically overlapped at a predetermined position. Furthermore, if a small protrusion 15 is provided on one of the ear pieces or the shape is changed, the two ear pieces will not be brought into close contact with each other, leaving a slight gap or a protrusion at the tip, making it easy to put a finger on.

The contents are stored inside the container and the lid is applied. When the end user opens the lid, he/she should pinch the ears 12 of the main body 1 and place his/her other fingers on the bottom of the container. Pinch the ear piece 13 of No. 2 and pull both ear pieces apart. This applied force causes elastic deformation of the container in this portion, and the container is successively separated from this portion by a force greater than that applied during fitting, and no extra force is applied to other portions of the container.

When putting on the lid, if you generally fit the tips first and the ears last, you can pinch and press the two ears at the same time, achieving a reliable final fit. , useful for both opening and closing the lid.

Effects of the invention The present invention solves the problem of protrusion from the main body side by providing ears that serve as knobs at positions corresponding to both the main body and the lid of the container, which are attached by fitting. Therefore, when opening and closing this type of container, especially when opening the lid, it is possible to dissociate the two in a stable state, providing exceptional convenience to the user. In addition, the ear piece is not just a protrusion,
Since the protrusions and grooves are fitted at the base end, the lid can be held in place more reliably during use and can be prevented from falling off. Furthermore, corners are generally suitable places for providing ears, and not only does this part not require a particularly large amount of material, but it can also be formed by cutting at the same time as the main part, and at the same time prevents adhesion. Providing anti-slip means can also be easily realized.

[Brief explanation of the drawing]

The drawings show an embodiment of the invention. Fig. 1 is an overall perspective view showing the packaging container of the present invention with the lid open; Fig. 1 is an example of a square shape with rounded corners in which the main body and the lid are connected, and Fig. 2 is an example of the main body and the lid. Another example of an oval container formed separately is shown. Fig. 2 is a general sectional view taken along the - line in Fig. 1, and is also a sectional view of the main part used to explain the prior art, and Fig. 3 is a main part including the lug along the - line in Fig. 1. FIG. 1... Container body, 2... Lid, 3... Side wall, 4
... Frame edge of main body, 5... Flange portion, 6... Drooping side, 7... Frame edge of lid, 8... Flange portion, 9...
Drooping side, 10... Convex strip, 11... Outer edge, 12...
...Ear piece of main body, 13...Ear piece of lid body, 14... Concave groove.

Claims (1)

[Scope of Claim for Utility Model Registration] (1) A container body and a lid are formed by pressing a thin sheet of synthetic resin, and a frame edge is provided on the outer periphery of the main body and the outer periphery of the lid for mutual engagement. Both frame edges consist of a horizontal flange part and a downward hanging side, and the hanging side of the lid body is longer than the hanging side of the main body in cross section, and a protruding strip is provided around the long part, and the fitting of these hanging sides In a packaging container whose lid is closed by clipping, at least one part of the frame edge of the lid body is formed with a tab tab for the lid body, which bends and projects horizontally from the lower edge of the frame edge. At the position of the frame edge of the main body corresponding to the ear piece, the hanging edge of the frame edge is extended to substantially the same length as the hanging edge of the lid body, and there is an outer edge corresponding to the protrusion of the lid body at that part. What is claimed is: 1. A packaging container having an opening/closing lug, characterized in that a groove is formed in the direction and the outer end thereof is further bent and protruded horizontally to form a lug for opening and closing the main body. (2) One of the ear pieces has a small projection formed on the side facing the other ear piece.Claim No. 1 for Utility Model Registration
Packaging containers as described in section. (3) The packaging container according to claim 1 or 2, wherein at least one of the opposing tabs has an uneven surface to prevent slipping. (4) The container main body and the lid body are integrally molded and the lug piece is provided on the closing part side opposite to the connecting part of both parts.Claims 1 to 3 of the Utility Model Registration Claims The packaging container according to any one of the above. (5) Any one of claims 1 to 4 of the claims for utility model registration, where the container body and lid are formed into a box shape with rounded edges, and the ears are provided on the outside of the corners. The packaging container according to item 1.